Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 1 | #include <linux/kernel.h> |
Robert Richter | 4e31902 | 2013-06-11 17:29:18 +0200 | [diff] [blame] | 2 | #include <traceevent/event-parse.h> |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 3 | |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 4 | #include <byteswap.h> |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 5 | #include <unistd.h> |
| 6 | #include <sys/types.h> |
Arnaldo Carvalho de Melo | a41794c | 2010-05-18 18:29:23 -0300 | [diff] [blame] | 7 | #include <sys/mman.h> |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 8 | |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 9 | #include "evlist.h" |
| 10 | #include "evsel.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 11 | #include "session.h" |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 12 | #include "tool.h" |
Arnaldo Carvalho de Melo | a328626 | 2009-12-14 14:22:59 -0200 | [diff] [blame] | 13 | #include "sort.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 14 | #include "util.h" |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 15 | #include "cpumap.h" |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 16 | #include "perf_regs.h" |
Jiri Olsa | b0a4520 | 2014-06-12 09:50:11 +0200 | [diff] [blame] | 17 | #include "asm/bug.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 18 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 19 | static int perf_session__open(struct perf_session *session) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 20 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 21 | struct perf_data_file *file = session->file; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 22 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 23 | if (perf_session__read_header(session) < 0) { |
Stephane Eranian | 69996df | 2012-02-09 23:21:06 +0100 | [diff] [blame] | 24 | pr_err("incompatible file format (rerun with -v to learn more)"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 25 | return -1; |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 26 | } |
| 27 | |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 28 | if (perf_data_file__is_pipe(file)) |
| 29 | return 0; |
| 30 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 31 | if (!perf_evlist__valid_sample_type(session->evlist)) { |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 32 | pr_err("non matching sample_type"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 33 | return -1; |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 34 | } |
| 35 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 36 | if (!perf_evlist__valid_sample_id_all(session->evlist)) { |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 37 | pr_err("non matching sample_id_all"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 38 | return -1; |
Arnaldo Carvalho de Melo | c2a7065 | 2011-06-02 11:04:54 -0300 | [diff] [blame] | 39 | } |
| 40 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 41 | if (!perf_evlist__valid_read_format(session->evlist)) { |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 42 | pr_err("non matching read_format"); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 43 | return -1; |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 44 | } |
| 45 | |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 46 | return 0; |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 47 | } |
| 48 | |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 49 | void perf_session__set_id_hdr_size(struct perf_session *session) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 50 | { |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 51 | u16 id_hdr_size = perf_evlist__id_hdr_size(session->evlist); |
| 52 | |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 53 | machines__set_id_hdr_size(&session->machines, id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 54 | } |
| 55 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 56 | int perf_session__create_kernel_maps(struct perf_session *session) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 57 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 58 | int ret = machine__create_kernel_maps(&session->machines.host); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 59 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 60 | if (ret >= 0) |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 61 | ret = machines__create_guest_kernel_maps(&session->machines); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 62 | return ret; |
| 63 | } |
| 64 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 65 | static void perf_session__destroy_kernel_maps(struct perf_session *session) |
Arnaldo Carvalho de Melo | 076c6e45 | 2010-08-02 18:18:28 -0300 | [diff] [blame] | 66 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 67 | machines__destroy_kernel_maps(&session->machines); |
Arnaldo Carvalho de Melo | 076c6e45 | 2010-08-02 18:18:28 -0300 | [diff] [blame] | 68 | } |
| 69 | |
Adrian Hunter | cfe1c41 | 2014-07-31 09:00:45 +0300 | [diff] [blame] | 70 | static bool perf_session__has_comm_exec(struct perf_session *session) |
| 71 | { |
| 72 | struct perf_evsel *evsel; |
| 73 | |
| 74 | evlist__for_each(session->evlist, evsel) { |
| 75 | if (evsel->attr.comm_exec) |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | return false; |
| 80 | } |
| 81 | |
| 82 | static void perf_session__set_comm_exec(struct perf_session *session) |
| 83 | { |
| 84 | bool comm_exec = perf_session__has_comm_exec(session); |
| 85 | |
| 86 | machines__set_comm_exec(&session->machines, comm_exec); |
| 87 | } |
| 88 | |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 89 | struct perf_session *perf_session__new(struct perf_data_file *file, |
| 90 | bool repipe, struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 91 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 92 | struct perf_session *session = zalloc(sizeof(*session)); |
Robert Richter | efad141 | 2011-12-07 10:02:54 +0100 | [diff] [blame] | 93 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 94 | if (!session) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 95 | goto out; |
| 96 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 97 | session->repipe = repipe; |
Jiri Olsa | 36522f5 | 2014-06-10 22:47:40 +0200 | [diff] [blame] | 98 | ordered_events__init(&session->ordered_events); |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 99 | machines__init(&session->machines); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 100 | |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 101 | if (file) { |
| 102 | if (perf_data_file__open(file)) |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 103 | goto out_delete; |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 104 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 105 | session->file = file; |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 106 | |
| 107 | if (perf_data_file__is_read(file)) { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 108 | if (perf_session__open(session) < 0) |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 109 | goto out_close; |
| 110 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 111 | perf_session__set_id_hdr_size(session); |
Adrian Hunter | cfe1c41 | 2014-07-31 09:00:45 +0300 | [diff] [blame] | 112 | perf_session__set_comm_exec(session); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 113 | } |
| 114 | } |
| 115 | |
| 116 | if (!file || perf_data_file__is_write(file)) { |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 117 | /* |
| 118 | * In O_RDONLY mode this will be performed when reading the |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 119 | * kernel MMAP event, in perf_event__process_mmap(). |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 120 | */ |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 121 | if (perf_session__create_kernel_maps(session) < 0) |
Andi Kleen | a5c2a4c | 2014-09-24 14:39:54 -0700 | [diff] [blame] | 122 | pr_warning("Cannot read kernel map\n"); |
Arnaldo Carvalho de Melo | 64abebf7 | 2010-01-27 21:05:52 -0200 | [diff] [blame] | 123 | } |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 124 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 125 | if (tool && tool->ordering_requires_timestamps && |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 126 | tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) { |
Ian Munsie | 21ef97f | 2010-12-10 14:09:16 +1100 | [diff] [blame] | 127 | dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n"); |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 128 | tool->ordered_events = false; |
Ian Munsie | 21ef97f | 2010-12-10 14:09:16 +1100 | [diff] [blame] | 129 | } |
| 130 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 131 | return session; |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 132 | |
| 133 | out_close: |
| 134 | perf_data_file__close(file); |
| 135 | out_delete: |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 136 | perf_session__delete(session); |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 137 | out: |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 138 | return NULL; |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 139 | } |
| 140 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 141 | static void perf_session__delete_dead_threads(struct perf_session *session) |
| 142 | { |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 143 | machine__delete_dead_threads(&session->machines.host); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 144 | } |
| 145 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 146 | static void perf_session__delete_threads(struct perf_session *session) |
| 147 | { |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 148 | machine__delete_threads(&session->machines.host); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 149 | } |
| 150 | |
Namhyung Kim | 03cd209 | 2012-11-21 13:43:19 +0900 | [diff] [blame] | 151 | static void perf_session_env__delete(struct perf_session_env *env) |
| 152 | { |
Arnaldo Carvalho de Melo | 74cf249 | 2013-12-27 16:55:14 -0300 | [diff] [blame] | 153 | zfree(&env->hostname); |
| 154 | zfree(&env->os_release); |
| 155 | zfree(&env->version); |
| 156 | zfree(&env->arch); |
| 157 | zfree(&env->cpu_desc); |
| 158 | zfree(&env->cpuid); |
Namhyung Kim | 03cd209 | 2012-11-21 13:43:19 +0900 | [diff] [blame] | 159 | |
Arnaldo Carvalho de Melo | 74cf249 | 2013-12-27 16:55:14 -0300 | [diff] [blame] | 160 | zfree(&env->cmdline); |
| 161 | zfree(&env->sibling_cores); |
| 162 | zfree(&env->sibling_threads); |
| 163 | zfree(&env->numa_nodes); |
| 164 | zfree(&env->pmu_mappings); |
Namhyung Kim | 03cd209 | 2012-11-21 13:43:19 +0900 | [diff] [blame] | 165 | } |
| 166 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 167 | void perf_session__delete(struct perf_session *session) |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 168 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 169 | perf_session__destroy_kernel_maps(session); |
| 170 | perf_session__delete_dead_threads(session); |
| 171 | perf_session__delete_threads(session); |
| 172 | perf_session_env__delete(&session->header.env); |
| 173 | machines__exit(&session->machines); |
| 174 | if (session->file) |
| 175 | perf_data_file__close(session->file); |
| 176 | free(session); |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 177 | } |
Arnaldo Carvalho de Melo | a328626 | 2009-12-14 14:22:59 -0200 | [diff] [blame] | 178 | |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 179 | static int process_event_synth_tracing_data_stub(struct perf_tool *tool |
| 180 | __maybe_unused, |
| 181 | union perf_event *event |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 182 | __maybe_unused, |
| 183 | struct perf_session *session |
| 184 | __maybe_unused) |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 185 | { |
| 186 | dump_printf(": unhandled!\n"); |
| 187 | return 0; |
| 188 | } |
| 189 | |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 190 | static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, |
| 191 | union perf_event *event __maybe_unused, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 192 | struct perf_evlist **pevlist |
| 193 | __maybe_unused) |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 194 | { |
| 195 | dump_printf(": unhandled!\n"); |
| 196 | return 0; |
| 197 | } |
| 198 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 199 | static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, |
| 200 | union perf_event *event __maybe_unused, |
| 201 | struct perf_sample *sample __maybe_unused, |
| 202 | struct perf_evsel *evsel __maybe_unused, |
| 203 | struct machine *machine __maybe_unused) |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 204 | { |
| 205 | dump_printf(": unhandled!\n"); |
| 206 | return 0; |
| 207 | } |
| 208 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 209 | static int process_event_stub(struct perf_tool *tool __maybe_unused, |
| 210 | union perf_event *event __maybe_unused, |
| 211 | struct perf_sample *sample __maybe_unused, |
| 212 | struct machine *machine __maybe_unused) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 213 | { |
| 214 | dump_printf(": unhandled!\n"); |
| 215 | return 0; |
| 216 | } |
| 217 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 218 | static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, |
| 219 | union perf_event *event __maybe_unused, |
| 220 | struct perf_session *perf_session |
| 221 | __maybe_unused) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 222 | { |
| 223 | dump_printf(": unhandled!\n"); |
| 224 | return 0; |
| 225 | } |
| 226 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 227 | static int process_finished_round(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 228 | union perf_event *event, |
| 229 | struct perf_session *session); |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 230 | |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 231 | static int process_id_index_stub(struct perf_tool *tool __maybe_unused, |
| 232 | union perf_event *event __maybe_unused, |
| 233 | struct perf_session *perf_session |
| 234 | __maybe_unused) |
| 235 | { |
| 236 | dump_printf(": unhandled!\n"); |
| 237 | return 0; |
| 238 | } |
| 239 | |
David Ahern | 9c50140 | 2013-08-02 14:05:41 -0600 | [diff] [blame] | 240 | void perf_tool__fill_defaults(struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 241 | { |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 242 | if (tool->sample == NULL) |
| 243 | tool->sample = process_event_sample_stub; |
| 244 | if (tool->mmap == NULL) |
| 245 | tool->mmap = process_event_stub; |
David Ahern | 6adb0b0 | 2013-09-22 19:44:59 -0600 | [diff] [blame] | 246 | if (tool->mmap2 == NULL) |
| 247 | tool->mmap2 = process_event_stub; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 248 | if (tool->comm == NULL) |
| 249 | tool->comm = process_event_stub; |
| 250 | if (tool->fork == NULL) |
| 251 | tool->fork = process_event_stub; |
| 252 | if (tool->exit == NULL) |
| 253 | tool->exit = process_event_stub; |
| 254 | if (tool->lost == NULL) |
| 255 | tool->lost = perf_event__process_lost; |
| 256 | if (tool->read == NULL) |
| 257 | tool->read = process_event_sample_stub; |
| 258 | if (tool->throttle == NULL) |
| 259 | tool->throttle = process_event_stub; |
| 260 | if (tool->unthrottle == NULL) |
| 261 | tool->unthrottle = process_event_stub; |
| 262 | if (tool->attr == NULL) |
| 263 | tool->attr = process_event_synth_attr_stub; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 264 | if (tool->tracing_data == NULL) |
| 265 | tool->tracing_data = process_event_synth_tracing_data_stub; |
| 266 | if (tool->build_id == NULL) |
| 267 | tool->build_id = process_finished_round_stub; |
| 268 | if (tool->finished_round == NULL) { |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 269 | if (tool->ordered_events) |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 270 | tool->finished_round = process_finished_round; |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 271 | else |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 272 | tool->finished_round = process_finished_round_stub; |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 273 | } |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 274 | if (tool->id_index == NULL) |
| 275 | tool->id_index = process_id_index_stub; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 276 | } |
Arnaldo Carvalho de Melo | 48000a1 | 2014-12-17 17:24:45 -0300 | [diff] [blame] | 277 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 278 | static void swap_sample_id_all(union perf_event *event, void *data) |
| 279 | { |
| 280 | void *end = (void *) event + event->header.size; |
| 281 | int size = end - data; |
| 282 | |
| 283 | BUG_ON(size % sizeof(u64)); |
| 284 | mem_bswap_64(data, size); |
| 285 | } |
| 286 | |
| 287 | static void perf_event__all64_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 288 | bool sample_id_all __maybe_unused) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 289 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 290 | struct perf_event_header *hdr = &event->header; |
| 291 | mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 292 | } |
| 293 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 294 | static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 295 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 296 | event->comm.pid = bswap_32(event->comm.pid); |
| 297 | event->comm.tid = bswap_32(event->comm.tid); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 298 | |
| 299 | if (sample_id_all) { |
| 300 | void *data = &event->comm.comm; |
| 301 | |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 302 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 303 | swap_sample_id_all(event, data); |
| 304 | } |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 305 | } |
| 306 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 307 | static void perf_event__mmap_swap(union perf_event *event, |
| 308 | bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 309 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 310 | event->mmap.pid = bswap_32(event->mmap.pid); |
| 311 | event->mmap.tid = bswap_32(event->mmap.tid); |
| 312 | event->mmap.start = bswap_64(event->mmap.start); |
| 313 | event->mmap.len = bswap_64(event->mmap.len); |
| 314 | event->mmap.pgoff = bswap_64(event->mmap.pgoff); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 315 | |
| 316 | if (sample_id_all) { |
| 317 | void *data = &event->mmap.filename; |
| 318 | |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 319 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 320 | swap_sample_id_all(event, data); |
| 321 | } |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 322 | } |
| 323 | |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 324 | static void perf_event__mmap2_swap(union perf_event *event, |
| 325 | bool sample_id_all) |
| 326 | { |
| 327 | event->mmap2.pid = bswap_32(event->mmap2.pid); |
| 328 | event->mmap2.tid = bswap_32(event->mmap2.tid); |
| 329 | event->mmap2.start = bswap_64(event->mmap2.start); |
| 330 | event->mmap2.len = bswap_64(event->mmap2.len); |
| 331 | event->mmap2.pgoff = bswap_64(event->mmap2.pgoff); |
| 332 | event->mmap2.maj = bswap_32(event->mmap2.maj); |
| 333 | event->mmap2.min = bswap_32(event->mmap2.min); |
| 334 | event->mmap2.ino = bswap_64(event->mmap2.ino); |
| 335 | |
| 336 | if (sample_id_all) { |
| 337 | void *data = &event->mmap2.filename; |
| 338 | |
| 339 | data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); |
| 340 | swap_sample_id_all(event, data); |
| 341 | } |
| 342 | } |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 343 | static void perf_event__task_swap(union perf_event *event, bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 344 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 345 | event->fork.pid = bswap_32(event->fork.pid); |
| 346 | event->fork.tid = bswap_32(event->fork.tid); |
| 347 | event->fork.ppid = bswap_32(event->fork.ppid); |
| 348 | event->fork.ptid = bswap_32(event->fork.ptid); |
| 349 | event->fork.time = bswap_64(event->fork.time); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 350 | |
| 351 | if (sample_id_all) |
| 352 | swap_sample_id_all(event, &event->fork + 1); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 353 | } |
| 354 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 355 | static void perf_event__read_swap(union perf_event *event, bool sample_id_all) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 356 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 357 | event->read.pid = bswap_32(event->read.pid); |
| 358 | event->read.tid = bswap_32(event->read.tid); |
| 359 | event->read.value = bswap_64(event->read.value); |
| 360 | event->read.time_enabled = bswap_64(event->read.time_enabled); |
| 361 | event->read.time_running = bswap_64(event->read.time_running); |
| 362 | event->read.id = bswap_64(event->read.id); |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 363 | |
| 364 | if (sample_id_all) |
| 365 | swap_sample_id_all(event, &event->read + 1); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 366 | } |
| 367 | |
Jiri Olsa | dd96c46 | 2013-09-01 12:36:15 +0200 | [diff] [blame] | 368 | static void perf_event__throttle_swap(union perf_event *event, |
| 369 | bool sample_id_all) |
| 370 | { |
| 371 | event->throttle.time = bswap_64(event->throttle.time); |
| 372 | event->throttle.id = bswap_64(event->throttle.id); |
| 373 | event->throttle.stream_id = bswap_64(event->throttle.stream_id); |
| 374 | |
| 375 | if (sample_id_all) |
| 376 | swap_sample_id_all(event, &event->throttle + 1); |
| 377 | } |
| 378 | |
Jiri Olsa | e108c66 | 2012-05-16 08:59:03 +0200 | [diff] [blame] | 379 | static u8 revbyte(u8 b) |
| 380 | { |
| 381 | int rev = (b >> 4) | ((b & 0xf) << 4); |
| 382 | rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2); |
| 383 | rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1); |
| 384 | return (u8) rev; |
| 385 | } |
| 386 | |
| 387 | /* |
| 388 | * XXX this is hack in attempt to carry flags bitfield |
| 389 | * throught endian village. ABI says: |
| 390 | * |
| 391 | * Bit-fields are allocated from right to left (least to most significant) |
| 392 | * on little-endian implementations and from left to right (most to least |
| 393 | * significant) on big-endian implementations. |
| 394 | * |
| 395 | * The above seems to be byte specific, so we need to reverse each |
| 396 | * byte of the bitfield. 'Internet' also says this might be implementation |
| 397 | * specific and we probably need proper fix and carry perf_event_attr |
| 398 | * bitfield flags in separate data file FEAT_ section. Thought this seems |
| 399 | * to work for now. |
| 400 | */ |
| 401 | static void swap_bitfield(u8 *p, unsigned len) |
| 402 | { |
| 403 | unsigned i; |
| 404 | |
| 405 | for (i = 0; i < len; i++) { |
| 406 | *p = revbyte(*p); |
| 407 | p++; |
| 408 | } |
| 409 | } |
| 410 | |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 411 | /* exported for swapping attributes in file header */ |
| 412 | void perf_event__attr_swap(struct perf_event_attr *attr) |
| 413 | { |
| 414 | attr->type = bswap_32(attr->type); |
| 415 | attr->size = bswap_32(attr->size); |
| 416 | attr->config = bswap_64(attr->config); |
| 417 | attr->sample_period = bswap_64(attr->sample_period); |
| 418 | attr->sample_type = bswap_64(attr->sample_type); |
| 419 | attr->read_format = bswap_64(attr->read_format); |
| 420 | attr->wakeup_events = bswap_32(attr->wakeup_events); |
| 421 | attr->bp_type = bswap_32(attr->bp_type); |
| 422 | attr->bp_addr = bswap_64(attr->bp_addr); |
| 423 | attr->bp_len = bswap_64(attr->bp_len); |
Adrian Hunter | 7db5952 | 2013-10-18 15:29:03 +0300 | [diff] [blame] | 424 | attr->branch_sample_type = bswap_64(attr->branch_sample_type); |
| 425 | attr->sample_regs_user = bswap_64(attr->sample_regs_user); |
| 426 | attr->sample_stack_user = bswap_32(attr->sample_stack_user); |
Jiri Olsa | e108c66 | 2012-05-16 08:59:03 +0200 | [diff] [blame] | 427 | |
| 428 | swap_bitfield((u8 *) (&attr->read_format + 1), sizeof(u64)); |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 429 | } |
| 430 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 431 | static void perf_event__hdr_attr_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 432 | bool sample_id_all __maybe_unused) |
Tom Zanussi | 2c46dbb | 2010-04-01 23:59:19 -0500 | [diff] [blame] | 433 | { |
| 434 | size_t size; |
| 435 | |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 436 | perf_event__attr_swap(&event->attr.attr); |
Tom Zanussi | 2c46dbb | 2010-04-01 23:59:19 -0500 | [diff] [blame] | 437 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 438 | size = event->header.size; |
| 439 | size -= (void *)&event->attr.id - (void *)event; |
| 440 | mem_bswap_64(event->attr.id, size); |
Tom Zanussi | 2c46dbb | 2010-04-01 23:59:19 -0500 | [diff] [blame] | 441 | } |
| 442 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 443 | static void perf_event__event_type_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 444 | bool sample_id_all __maybe_unused) |
Tom Zanussi | cd19a03 | 2010-04-01 23:59:20 -0500 | [diff] [blame] | 445 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 446 | event->event_type.event_type.event_id = |
| 447 | bswap_64(event->event_type.event_type.event_id); |
Tom Zanussi | cd19a03 | 2010-04-01 23:59:20 -0500 | [diff] [blame] | 448 | } |
| 449 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 450 | static void perf_event__tracing_data_swap(union perf_event *event, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 451 | bool sample_id_all __maybe_unused) |
Tom Zanussi | 9215545 | 2010-04-01 23:59:21 -0500 | [diff] [blame] | 452 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 453 | event->tracing_data.size = bswap_32(event->tracing_data.size); |
Tom Zanussi | 9215545 | 2010-04-01 23:59:21 -0500 | [diff] [blame] | 454 | } |
| 455 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 456 | typedef void (*perf_event__swap_op)(union perf_event *event, |
| 457 | bool sample_id_all); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 458 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 459 | static perf_event__swap_op perf_event__swap_ops[] = { |
| 460 | [PERF_RECORD_MMAP] = perf_event__mmap_swap, |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 461 | [PERF_RECORD_MMAP2] = perf_event__mmap2_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 462 | [PERF_RECORD_COMM] = perf_event__comm_swap, |
| 463 | [PERF_RECORD_FORK] = perf_event__task_swap, |
| 464 | [PERF_RECORD_EXIT] = perf_event__task_swap, |
| 465 | [PERF_RECORD_LOST] = perf_event__all64_swap, |
| 466 | [PERF_RECORD_READ] = perf_event__read_swap, |
Jiri Olsa | dd96c46 | 2013-09-01 12:36:15 +0200 | [diff] [blame] | 467 | [PERF_RECORD_THROTTLE] = perf_event__throttle_swap, |
| 468 | [PERF_RECORD_UNTHROTTLE] = perf_event__throttle_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 469 | [PERF_RECORD_SAMPLE] = perf_event__all64_swap, |
David Ahern | eda3913 | 2011-07-15 12:34:09 -0600 | [diff] [blame] | 470 | [PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 471 | [PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap, |
| 472 | [PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap, |
| 473 | [PERF_RECORD_HEADER_BUILD_ID] = NULL, |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 474 | [PERF_RECORD_ID_INDEX] = perf_event__all64_swap, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 475 | [PERF_RECORD_HEADER_MAX] = NULL, |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 476 | }; |
| 477 | |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 478 | /* |
| 479 | * When perf record finishes a pass on every buffers, it records this pseudo |
| 480 | * event. |
| 481 | * We record the max timestamp t found in the pass n. |
| 482 | * Assuming these timestamps are monotonic across cpus, we know that if |
| 483 | * a buffer still has events with timestamps below t, they will be all |
| 484 | * available and then read in the pass n + 1. |
| 485 | * Hence when we start to read the pass n + 2, we can safely flush every |
| 486 | * events with timestamps below t. |
| 487 | * |
| 488 | * ============ PASS n ================= |
| 489 | * CPU 0 | CPU 1 |
| 490 | * | |
| 491 | * cnt1 timestamps | cnt2 timestamps |
| 492 | * 1 | 2 |
| 493 | * 2 | 3 |
| 494 | * - | 4 <--- max recorded |
| 495 | * |
| 496 | * ============ PASS n + 1 ============== |
| 497 | * CPU 0 | CPU 1 |
| 498 | * | |
| 499 | * cnt1 timestamps | cnt2 timestamps |
| 500 | * 3 | 5 |
| 501 | * 4 | 6 |
| 502 | * 5 | 7 <---- max recorded |
| 503 | * |
| 504 | * Flush every events below timestamp 4 |
| 505 | * |
| 506 | * ============ PASS n + 2 ============== |
| 507 | * CPU 0 | CPU 1 |
| 508 | * | |
| 509 | * cnt1 timestamps | cnt2 timestamps |
| 510 | * 6 | 8 |
| 511 | * 7 | 9 |
| 512 | * - | 10 |
| 513 | * |
| 514 | * Flush every events below timestamp 7 |
| 515 | * etc... |
| 516 | */ |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 517 | static int process_finished_round(struct perf_tool *tool, |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 518 | union perf_event *event __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 519 | struct perf_session *session) |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 520 | { |
Jiri Olsa | d8836b5 | 2014-06-05 10:29:45 +0200 | [diff] [blame] | 521 | return ordered_events__flush(session, tool, OE_FLUSH__ROUND); |
Frederic Weisbecker | d6b17be | 2010-05-03 15:14:33 +0200 | [diff] [blame] | 522 | } |
| 523 | |
David Ahern | e30b88a | 2013-08-05 21:41:33 -0400 | [diff] [blame] | 524 | int perf_session_queue_event(struct perf_session *s, union perf_event *event, |
Jiri Olsa | d40b4a1 | 2014-08-01 13:01:04 -0300 | [diff] [blame] | 525 | struct perf_tool *tool, struct perf_sample *sample, |
| 526 | u64 file_offset) |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 527 | { |
Jiri Olsa | 37e39aa | 2014-07-06 14:23:03 +0200 | [diff] [blame] | 528 | struct ordered_events *oe = &s->ordered_events; |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 529 | u64 timestamp = sample->time; |
Jiri Olsa | 37e39aa | 2014-07-06 14:23:03 +0200 | [diff] [blame] | 530 | struct ordered_event *new; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 531 | |
Thomas Gleixner | 79a14c1 | 2010-12-07 12:48:44 +0000 | [diff] [blame] | 532 | if (!timestamp || timestamp == ~0ULL) |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 533 | return -ETIME; |
| 534 | |
Jiri Olsa | cee3ab9 | 2014-07-11 14:49:54 +0200 | [diff] [blame] | 535 | if (timestamp < oe->last_flush) { |
Jiri Olsa | f61ff6c | 2014-11-26 16:39:31 +0100 | [diff] [blame] | 536 | pr_oe_time(timestamp, "out of order event\n"); |
Jiri Olsa | b0a4520 | 2014-06-12 09:50:11 +0200 | [diff] [blame] | 537 | pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n", |
| 538 | oe->last_flush_type); |
| 539 | |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 540 | s->evlist->stats.nr_unordered_events++; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 541 | } |
| 542 | |
Alexander Yarygin | 54bf53b | 2014-10-03 18:40:11 +0400 | [diff] [blame] | 543 | new = ordered_events__new(oe, timestamp, event); |
Jiri Olsa | d40b4a1 | 2014-08-01 13:01:04 -0300 | [diff] [blame] | 544 | if (!new) { |
| 545 | ordered_events__flush(s, tool, OE_FLUSH__HALF); |
Alexander Yarygin | 54bf53b | 2014-10-03 18:40:11 +0400 | [diff] [blame] | 546 | new = ordered_events__new(oe, timestamp, event); |
Jiri Olsa | d40b4a1 | 2014-08-01 13:01:04 -0300 | [diff] [blame] | 547 | } |
| 548 | |
Jiri Olsa | c64c7e1 | 2014-06-10 21:58:02 +0200 | [diff] [blame] | 549 | if (!new) |
| 550 | return -ENOMEM; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 551 | |
Thomas Gleixner | e4c2df1 | 2010-12-07 12:48:50 +0000 | [diff] [blame] | 552 | new->file_offset = file_offset; |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 553 | return 0; |
| 554 | } |
| 555 | |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 556 | static void callchain__lbr_callstack_printf(struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 557 | { |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 558 | struct ip_callchain *callchain = sample->callchain; |
| 559 | struct branch_stack *lbr_stack = sample->branch_stack; |
| 560 | u64 kernel_callchain_nr = callchain->nr; |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 561 | unsigned int i; |
| 562 | |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 563 | for (i = 0; i < kernel_callchain_nr; i++) { |
| 564 | if (callchain->ips[i] == PERF_CONTEXT_USER) |
| 565 | break; |
| 566 | } |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 567 | |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 568 | if ((i != kernel_callchain_nr) && lbr_stack->nr) { |
| 569 | u64 total_nr; |
| 570 | /* |
| 571 | * LBR callstack can only get user call chain, |
| 572 | * i is kernel call chain number, |
| 573 | * 1 is PERF_CONTEXT_USER. |
| 574 | * |
| 575 | * The user call chain is stored in LBR registers. |
| 576 | * LBR are pair registers. The caller is stored |
| 577 | * in "from" register, while the callee is stored |
| 578 | * in "to" register. |
| 579 | * For example, there is a call stack |
| 580 | * "A"->"B"->"C"->"D". |
| 581 | * The LBR registers will recorde like |
| 582 | * "C"->"D", "B"->"C", "A"->"B". |
| 583 | * So only the first "to" register and all "from" |
| 584 | * registers are needed to construct the whole stack. |
| 585 | */ |
| 586 | total_nr = i + 1 + lbr_stack->nr + 1; |
| 587 | kernel_callchain_nr = i + 1; |
| 588 | |
| 589 | printf("... LBR call chain: nr:%" PRIu64 "\n", total_nr); |
| 590 | |
| 591 | for (i = 0; i < kernel_callchain_nr; i++) |
| 592 | printf("..... %2d: %016" PRIx64 "\n", |
| 593 | i, callchain->ips[i]); |
| 594 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 595 | printf("..... %2d: %016" PRIx64 "\n", |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 596 | (int)(kernel_callchain_nr), lbr_stack->entries[0].to); |
| 597 | for (i = 0; i < lbr_stack->nr; i++) |
| 598 | printf("..... %2d: %016" PRIx64 "\n", |
| 599 | (int)(i + kernel_callchain_nr + 1), lbr_stack->entries[i].from); |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | static void callchain__printf(struct perf_evsel *evsel, |
| 604 | struct perf_sample *sample) |
| 605 | { |
| 606 | unsigned int i; |
| 607 | struct ip_callchain *callchain = sample->callchain; |
| 608 | |
| 609 | if (has_branch_callstack(evsel)) |
| 610 | callchain__lbr_callstack_printf(sample); |
| 611 | |
| 612 | printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr); |
| 613 | |
| 614 | for (i = 0; i < callchain->nr; i++) |
| 615 | printf("..... %2d: %016" PRIx64 "\n", |
| 616 | i, callchain->ips[i]); |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 617 | } |
| 618 | |
Roberto Agostino Vitillo | b538752 | 2012-02-09 23:21:01 +0100 | [diff] [blame] | 619 | static void branch_stack__printf(struct perf_sample *sample) |
| 620 | { |
| 621 | uint64_t i; |
| 622 | |
| 623 | printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); |
| 624 | |
| 625 | for (i = 0; i < sample->branch_stack->nr; i++) |
| 626 | printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 "\n", |
| 627 | i, sample->branch_stack->entries[i].from, |
| 628 | sample->branch_stack->entries[i].to); |
| 629 | } |
| 630 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 631 | static void regs_dump__printf(u64 mask, u64 *regs) |
| 632 | { |
| 633 | unsigned rid, i = 0; |
| 634 | |
| 635 | for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) { |
| 636 | u64 val = regs[i++]; |
| 637 | |
| 638 | printf(".... %-5s 0x%" PRIx64 "\n", |
| 639 | perf_reg_name(rid), val); |
| 640 | } |
| 641 | } |
| 642 | |
Stephane Eranian | 6a21c0b | 2014-09-24 13:48:39 +0200 | [diff] [blame] | 643 | static const char *regs_abi[] = { |
| 644 | [PERF_SAMPLE_REGS_ABI_NONE] = "none", |
| 645 | [PERF_SAMPLE_REGS_ABI_32] = "32-bit", |
| 646 | [PERF_SAMPLE_REGS_ABI_64] = "64-bit", |
| 647 | }; |
| 648 | |
| 649 | static inline const char *regs_dump_abi(struct regs_dump *d) |
| 650 | { |
| 651 | if (d->abi > PERF_SAMPLE_REGS_ABI_64) |
| 652 | return "unknown"; |
| 653 | |
| 654 | return regs_abi[d->abi]; |
| 655 | } |
| 656 | |
| 657 | static void regs__printf(const char *type, struct regs_dump *regs) |
| 658 | { |
| 659 | u64 mask = regs->mask; |
| 660 | |
| 661 | printf("... %s regs: mask 0x%" PRIx64 " ABI %s\n", |
| 662 | type, |
| 663 | mask, |
| 664 | regs_dump_abi(regs)); |
| 665 | |
| 666 | regs_dump__printf(mask, regs->regs); |
| 667 | } |
| 668 | |
Jiri Olsa | 352ea45 | 2014-01-07 13:47:25 +0100 | [diff] [blame] | 669 | static void regs_user__printf(struct perf_sample *sample) |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 670 | { |
| 671 | struct regs_dump *user_regs = &sample->user_regs; |
| 672 | |
Stephane Eranian | 6a21c0b | 2014-09-24 13:48:39 +0200 | [diff] [blame] | 673 | if (user_regs->regs) |
| 674 | regs__printf("user", user_regs); |
| 675 | } |
| 676 | |
| 677 | static void regs_intr__printf(struct perf_sample *sample) |
| 678 | { |
| 679 | struct regs_dump *intr_regs = &sample->intr_regs; |
| 680 | |
| 681 | if (intr_regs->regs) |
| 682 | regs__printf("intr", intr_regs); |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 683 | } |
| 684 | |
| 685 | static void stack_user__printf(struct stack_dump *dump) |
| 686 | { |
| 687 | printf("... ustack: size %" PRIu64 ", offset 0x%x\n", |
| 688 | dump->size, dump->offset); |
| 689 | } |
| 690 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 691 | static void perf_session__print_tstamp(struct perf_session *session, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 692 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 693 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 694 | { |
Adrian Hunter | 7556257 | 2013-08-27 11:23:09 +0300 | [diff] [blame] | 695 | u64 sample_type = __perf_evlist__combined_sample_type(session->evlist); |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 696 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 697 | if (event->header.type != PERF_RECORD_SAMPLE && |
Arnaldo Carvalho de Melo | 5e56247 | 2012-08-01 19:25:26 -0300 | [diff] [blame] | 698 | !perf_evlist__sample_id_all(session->evlist)) { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 699 | fputs("-1 -1 ", stdout); |
| 700 | return; |
| 701 | } |
| 702 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 703 | if ((sample_type & PERF_SAMPLE_CPU)) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 704 | printf("%u ", sample->cpu); |
| 705 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 706 | if (sample_type & PERF_SAMPLE_TIME) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 707 | printf("%" PRIu64 " ", sample->time); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 708 | } |
| 709 | |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 710 | static void sample_read__printf(struct perf_sample *sample, u64 read_format) |
| 711 | { |
| 712 | printf("... sample_read:\n"); |
| 713 | |
| 714 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) |
| 715 | printf("...... time enabled %016" PRIx64 "\n", |
| 716 | sample->read.time_enabled); |
| 717 | |
| 718 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) |
| 719 | printf("...... time running %016" PRIx64 "\n", |
| 720 | sample->read.time_running); |
| 721 | |
| 722 | if (read_format & PERF_FORMAT_GROUP) { |
| 723 | u64 i; |
| 724 | |
| 725 | printf(".... group nr %" PRIu64 "\n", sample->read.group.nr); |
| 726 | |
| 727 | for (i = 0; i < sample->read.group.nr; i++) { |
| 728 | struct sample_read_value *value; |
| 729 | |
| 730 | value = &sample->read.group.values[i]; |
| 731 | printf("..... id %016" PRIx64 |
| 732 | ", value %016" PRIx64 "\n", |
| 733 | value->id, value->value); |
| 734 | } |
| 735 | } else |
| 736 | printf("..... id %016" PRIx64 ", value %016" PRIx64 "\n", |
| 737 | sample->read.one.id, sample->read.one.value); |
| 738 | } |
| 739 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 740 | static void dump_event(struct perf_session *session, union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 741 | u64 file_offset, struct perf_sample *sample) |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 742 | { |
| 743 | if (!dump_trace) |
| 744 | return; |
| 745 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 746 | printf("\n%#" PRIx64 " [%#x]: event: %d\n", |
| 747 | file_offset, event->header.size, event->header.type); |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 748 | |
| 749 | trace_event(event); |
| 750 | |
| 751 | if (sample) |
| 752 | perf_session__print_tstamp(session, event, sample); |
| 753 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 754 | printf("%#" PRIx64 " [%#x]: PERF_RECORD_%s", file_offset, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 755 | event->header.size, perf_event__name(event->header.type)); |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 756 | } |
| 757 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 758 | static void dump_sample(struct perf_evsel *evsel, union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 759 | struct perf_sample *sample) |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 760 | { |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 761 | u64 sample_type; |
| 762 | |
Arnaldo Carvalho de Melo | ddbc24b | 2010-12-09 12:20:20 -0200 | [diff] [blame] | 763 | if (!dump_trace) |
| 764 | return; |
| 765 | |
Don Zickus | 0ea590a | 2014-02-25 22:43:46 -0500 | [diff] [blame] | 766 | printf("(IP, 0x%x): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n", |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 767 | event->header.misc, sample->pid, sample->tid, sample->ip, |
David Ahern | 7cec092 | 2011-05-30 13:08:23 -0600 | [diff] [blame] | 768 | sample->period, sample->addr); |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 769 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 770 | sample_type = evsel->attr.sample_type; |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 771 | |
| 772 | if (sample_type & PERF_SAMPLE_CALLCHAIN) |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 773 | callchain__printf(evsel, sample); |
Roberto Agostino Vitillo | b538752 | 2012-02-09 23:21:01 +0100 | [diff] [blame] | 774 | |
Kan Liang | 384b605 | 2015-01-05 13:23:05 -0500 | [diff] [blame] | 775 | if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !has_branch_callstack(evsel)) |
Roberto Agostino Vitillo | b538752 | 2012-02-09 23:21:01 +0100 | [diff] [blame] | 776 | branch_stack__printf(sample); |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 777 | |
| 778 | if (sample_type & PERF_SAMPLE_REGS_USER) |
Jiri Olsa | 352ea45 | 2014-01-07 13:47:25 +0100 | [diff] [blame] | 779 | regs_user__printf(sample); |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 780 | |
Stephane Eranian | 6a21c0b | 2014-09-24 13:48:39 +0200 | [diff] [blame] | 781 | if (sample_type & PERF_SAMPLE_REGS_INTR) |
| 782 | regs_intr__printf(sample); |
| 783 | |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 784 | if (sample_type & PERF_SAMPLE_STACK_USER) |
| 785 | stack_user__printf(&sample->user_stack); |
Andi Kleen | 0548429 | 2013-01-24 16:10:29 +0100 | [diff] [blame] | 786 | |
| 787 | if (sample_type & PERF_SAMPLE_WEIGHT) |
| 788 | printf("... weight: %" PRIu64 "\n", sample->weight); |
Stephane Eranian | 98a3b32 | 2013-01-24 16:10:35 +0100 | [diff] [blame] | 789 | |
| 790 | if (sample_type & PERF_SAMPLE_DATA_SRC) |
| 791 | printf(" . data_src: 0x%"PRIx64"\n", sample->data_src); |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 792 | |
Andi Kleen | 475eeab | 2013-09-20 07:40:43 -0700 | [diff] [blame] | 793 | if (sample_type & PERF_SAMPLE_TRANSACTION) |
| 794 | printf("... transaction: %" PRIx64 "\n", sample->transaction); |
| 795 | |
Jiri Olsa | 9ede473 | 2012-10-10 17:38:13 +0200 | [diff] [blame] | 796 | if (sample_type & PERF_SAMPLE_READ) |
| 797 | sample_read__printf(sample, evsel->attr.read_format); |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 798 | } |
| 799 | |
Arnaldo Carvalho de Melo | 54245fd | 2015-02-14 14:26:15 -0300 | [diff] [blame] | 800 | static struct machine *machines__find_for_cpumode(struct machines *machines, |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 801 | union perf_event *event, |
| 802 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 803 | { |
| 804 | const u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
Dongsheng Yang | ad85ace | 2013-12-20 13:41:47 -0500 | [diff] [blame] | 805 | struct machine *machine; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 806 | |
David Ahern | 7c0f4a4 | 2012-07-20 17:25:48 -0600 | [diff] [blame] | 807 | if (perf_guest && |
| 808 | ((cpumode == PERF_RECORD_MISC_GUEST_KERNEL) || |
| 809 | (cpumode == PERF_RECORD_MISC_GUEST_USER))) { |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 810 | u32 pid; |
| 811 | |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 812 | if (event->header.type == PERF_RECORD_MMAP |
| 813 | || event->header.type == PERF_RECORD_MMAP2) |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 814 | pid = event->mmap.pid; |
| 815 | else |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 816 | pid = sample->pid; |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 817 | |
Arnaldo Carvalho de Melo | 54245fd | 2015-02-14 14:26:15 -0300 | [diff] [blame] | 818 | machine = machines__find(machines, pid); |
Dongsheng Yang | ad85ace | 2013-12-20 13:41:47 -0500 | [diff] [blame] | 819 | if (!machine) |
Arnaldo Carvalho de Melo | 54245fd | 2015-02-14 14:26:15 -0300 | [diff] [blame] | 820 | machine = machines__find(machines, DEFAULT_GUEST_KERNEL_ID); |
Dongsheng Yang | ad85ace | 2013-12-20 13:41:47 -0500 | [diff] [blame] | 821 | return machine; |
Nikunj A. Dadhania | 7fb0a5e | 2012-04-09 13:52:23 +0530 | [diff] [blame] | 822 | } |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 823 | |
Arnaldo Carvalho de Melo | 54245fd | 2015-02-14 14:26:15 -0300 | [diff] [blame] | 824 | return &machines->host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 825 | } |
| 826 | |
Jiri Olsa | e4caec0 | 2012-10-10 18:52:24 +0200 | [diff] [blame] | 827 | static int deliver_sample_value(struct perf_session *session, |
| 828 | struct perf_tool *tool, |
| 829 | union perf_event *event, |
| 830 | struct perf_sample *sample, |
| 831 | struct sample_read_value *v, |
| 832 | struct machine *machine) |
| 833 | { |
| 834 | struct perf_sample_id *sid; |
| 835 | |
| 836 | sid = perf_evlist__id2sid(session->evlist, v->id); |
| 837 | if (sid) { |
| 838 | sample->id = v->id; |
| 839 | sample->period = v->value - sid->period; |
| 840 | sid->period = v->value; |
| 841 | } |
| 842 | |
| 843 | if (!sid || sid->evsel == NULL) { |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 844 | ++session->evlist->stats.nr_unknown_id; |
Jiri Olsa | e4caec0 | 2012-10-10 18:52:24 +0200 | [diff] [blame] | 845 | return 0; |
| 846 | } |
| 847 | |
| 848 | return tool->sample(tool, event, sample, sid->evsel, machine); |
| 849 | } |
| 850 | |
| 851 | static int deliver_sample_group(struct perf_session *session, |
| 852 | struct perf_tool *tool, |
| 853 | union perf_event *event, |
| 854 | struct perf_sample *sample, |
| 855 | struct machine *machine) |
| 856 | { |
| 857 | int ret = -EINVAL; |
| 858 | u64 i; |
| 859 | |
| 860 | for (i = 0; i < sample->read.group.nr; i++) { |
| 861 | ret = deliver_sample_value(session, tool, event, sample, |
| 862 | &sample->read.group.values[i], |
| 863 | machine); |
| 864 | if (ret) |
| 865 | break; |
| 866 | } |
| 867 | |
| 868 | return ret; |
| 869 | } |
| 870 | |
| 871 | static int |
| 872 | perf_session__deliver_sample(struct perf_session *session, |
| 873 | struct perf_tool *tool, |
| 874 | union perf_event *event, |
| 875 | struct perf_sample *sample, |
| 876 | struct perf_evsel *evsel, |
| 877 | struct machine *machine) |
| 878 | { |
| 879 | /* We know evsel != NULL. */ |
| 880 | u64 sample_type = evsel->attr.sample_type; |
| 881 | u64 read_format = evsel->attr.read_format; |
| 882 | |
| 883 | /* Standard sample delievery. */ |
| 884 | if (!(sample_type & PERF_SAMPLE_READ)) |
| 885 | return tool->sample(tool, event, sample, evsel, machine); |
| 886 | |
| 887 | /* For PERF_SAMPLE_READ we have either single or group mode. */ |
| 888 | if (read_format & PERF_FORMAT_GROUP) |
| 889 | return deliver_sample_group(session, tool, event, sample, |
| 890 | machine); |
| 891 | else |
| 892 | return deliver_sample_value(session, tool, event, sample, |
| 893 | &sample->read.one, machine); |
| 894 | } |
| 895 | |
Jiri Olsa | 79a30fe | 2014-06-10 22:31:35 +0200 | [diff] [blame] | 896 | int perf_session__deliver_event(struct perf_session *session, |
| 897 | union perf_event *event, |
| 898 | struct perf_sample *sample, |
| 899 | struct perf_tool *tool, u64 file_offset) |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 900 | { |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 901 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 902 | struct machine *machine; |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 903 | |
Thomas Gleixner | 532e726 | 2010-12-07 12:48:55 +0000 | [diff] [blame] | 904 | dump_event(session, event, file_offset, sample); |
| 905 | |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 906 | evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 907 | |
Arnaldo Carvalho de Melo | 54245fd | 2015-02-14 14:26:15 -0300 | [diff] [blame] | 908 | machine = machines__find_for_cpumode(&session->machines, event, sample); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 909 | |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 910 | switch (event->header.type) { |
| 911 | case PERF_RECORD_SAMPLE: |
Jiri Olsa | 0f6a301 | 2012-08-07 15:20:45 +0200 | [diff] [blame] | 912 | dump_sample(evsel, event, sample); |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 913 | if (evsel == NULL) { |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 914 | ++session->evlist->stats.nr_unknown_id; |
Jiri Olsa | 6782206 | 2012-04-12 14:21:01 +0200 | [diff] [blame] | 915 | return 0; |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 916 | } |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 917 | if (machine == NULL) { |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 918 | ++session->evlist->stats.nr_unprocessable_samples; |
Jiri Olsa | 6782206 | 2012-04-12 14:21:01 +0200 | [diff] [blame] | 919 | return 0; |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 920 | } |
Jiri Olsa | e4caec0 | 2012-10-10 18:52:24 +0200 | [diff] [blame] | 921 | return perf_session__deliver_sample(session, tool, event, |
| 922 | sample, evsel, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 923 | case PERF_RECORD_MMAP: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 924 | return tool->mmap(tool, event, sample, machine); |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 925 | case PERF_RECORD_MMAP2: |
| 926 | return tool->mmap2(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 927 | case PERF_RECORD_COMM: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 928 | return tool->comm(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 929 | case PERF_RECORD_FORK: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 930 | return tool->fork(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 931 | case PERF_RECORD_EXIT: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 932 | return tool->exit(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 933 | case PERF_RECORD_LOST: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 934 | if (tool->lost == perf_event__process_lost) |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 935 | session->evlist->stats.total_lost += event->lost.lost; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 936 | return tool->lost(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 937 | case PERF_RECORD_READ: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 938 | return tool->read(tool, event, sample, evsel, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 939 | case PERF_RECORD_THROTTLE: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 940 | return tool->throttle(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 941 | case PERF_RECORD_UNTHROTTLE: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 942 | return tool->unthrottle(tool, event, sample, machine); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 943 | default: |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 944 | ++session->evlist->stats.nr_unknown_events; |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 945 | return -1; |
| 946 | } |
| 947 | } |
| 948 | |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 949 | static s64 perf_session__process_user_event(struct perf_session *session, |
| 950 | union perf_event *event, |
| 951 | struct perf_tool *tool, |
| 952 | u64 file_offset) |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 953 | { |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 954 | int fd = perf_data_file__fd(session->file); |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 955 | int err; |
| 956 | |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 957 | dump_event(session, event, file_offset, NULL); |
| 958 | |
| 959 | /* These events are processed right away */ |
| 960 | switch (event->header.type) { |
| 961 | case PERF_RECORD_HEADER_ATTR: |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 962 | err = tool->attr(tool, event, &session->evlist); |
Adrian Hunter | cfe1c41 | 2014-07-31 09:00:45 +0300 | [diff] [blame] | 963 | if (err == 0) { |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 964 | perf_session__set_id_hdr_size(session); |
Adrian Hunter | cfe1c41 | 2014-07-31 09:00:45 +0300 | [diff] [blame] | 965 | perf_session__set_comm_exec(session); |
| 966 | } |
Arnaldo Carvalho de Melo | 10d0f08 | 2011-11-11 22:45:41 -0200 | [diff] [blame] | 967 | return err; |
Jiri Olsa | f67697b | 2014-02-04 15:37:48 +0100 | [diff] [blame] | 968 | case PERF_RECORD_HEADER_EVENT_TYPE: |
| 969 | /* |
| 970 | * Depreceated, but we need to handle it for sake |
| 971 | * of old data files create in pipe mode. |
| 972 | */ |
| 973 | return 0; |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 974 | case PERF_RECORD_HEADER_TRACING_DATA: |
| 975 | /* setup for reading amidst mmap */ |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 976 | lseek(fd, file_offset, SEEK_SET); |
Adrian Hunter | 47c3d10 | 2013-07-04 16:20:21 +0300 | [diff] [blame] | 977 | return tool->tracing_data(tool, event, session); |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 978 | case PERF_RECORD_HEADER_BUILD_ID: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 979 | return tool->build_id(tool, event, session); |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 980 | case PERF_RECORD_FINISHED_ROUND: |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 981 | return tool->finished_round(tool, event, session); |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 982 | case PERF_RECORD_ID_INDEX: |
| 983 | return tool->id_index(tool, event, session); |
Thomas Gleixner | ba74f06 | 2010-12-07 12:49:01 +0000 | [diff] [blame] | 984 | default: |
| 985 | return -EINVAL; |
| 986 | } |
| 987 | } |
| 988 | |
Adrian Hunter | a293829 | 2014-10-27 15:49:23 +0200 | [diff] [blame] | 989 | int perf_session__deliver_synth_event(struct perf_session *session, |
| 990 | union perf_event *event, |
| 991 | struct perf_sample *sample, |
| 992 | struct perf_tool *tool) |
| 993 | { |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 994 | events_stats__inc(&session->evlist->stats, event->header.type); |
Adrian Hunter | a293829 | 2014-10-27 15:49:23 +0200 | [diff] [blame] | 995 | |
| 996 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) |
| 997 | return perf_session__process_user_event(session, event, tool, 0); |
| 998 | |
| 999 | return perf_session__deliver_event(session, event, sample, tool, 0); |
| 1000 | } |
| 1001 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 1002 | static void event_swap(union perf_event *event, bool sample_id_all) |
| 1003 | { |
| 1004 | perf_event__swap_op swap; |
| 1005 | |
| 1006 | swap = perf_event__swap_ops[event->header.type]; |
| 1007 | if (swap) |
| 1008 | swap(event, sample_id_all); |
| 1009 | } |
| 1010 | |
Adrian Hunter | 5a52f33 | 2014-07-31 09:00:57 +0300 | [diff] [blame] | 1011 | int perf_session__peek_event(struct perf_session *session, off_t file_offset, |
| 1012 | void *buf, size_t buf_sz, |
| 1013 | union perf_event **event_ptr, |
| 1014 | struct perf_sample *sample) |
| 1015 | { |
| 1016 | union perf_event *event; |
| 1017 | size_t hdr_sz, rest; |
| 1018 | int fd; |
| 1019 | |
| 1020 | if (session->one_mmap && !session->header.needs_swap) { |
| 1021 | event = file_offset - session->one_mmap_offset + |
| 1022 | session->one_mmap_addr; |
| 1023 | goto out_parse_sample; |
| 1024 | } |
| 1025 | |
| 1026 | if (perf_data_file__is_pipe(session->file)) |
| 1027 | return -1; |
| 1028 | |
| 1029 | fd = perf_data_file__fd(session->file); |
| 1030 | hdr_sz = sizeof(struct perf_event_header); |
| 1031 | |
| 1032 | if (buf_sz < hdr_sz) |
| 1033 | return -1; |
| 1034 | |
| 1035 | if (lseek(fd, file_offset, SEEK_SET) == (off_t)-1 || |
| 1036 | readn(fd, &buf, hdr_sz) != (ssize_t)hdr_sz) |
| 1037 | return -1; |
| 1038 | |
| 1039 | event = (union perf_event *)buf; |
| 1040 | |
| 1041 | if (session->header.needs_swap) |
| 1042 | perf_event_header__bswap(&event->header); |
| 1043 | |
| 1044 | if (event->header.size < hdr_sz) |
| 1045 | return -1; |
| 1046 | |
| 1047 | rest = event->header.size - hdr_sz; |
| 1048 | |
| 1049 | if (readn(fd, &buf, rest) != (ssize_t)rest) |
| 1050 | return -1; |
| 1051 | |
| 1052 | if (session->header.needs_swap) |
| 1053 | event_swap(event, perf_evlist__sample_id_all(session->evlist)); |
| 1054 | |
| 1055 | out_parse_sample: |
| 1056 | |
| 1057 | if (sample && event->header.type < PERF_RECORD_USER_TYPE_START && |
| 1058 | perf_evlist__parse_sample(session->evlist, event, sample)) |
| 1059 | return -1; |
| 1060 | |
| 1061 | *event_ptr = event; |
| 1062 | |
| 1063 | return 0; |
| 1064 | } |
| 1065 | |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1066 | static s64 perf_session__process_event(struct perf_session *session, |
David Ahern | e30b88a | 2013-08-05 21:41:33 -0400 | [diff] [blame] | 1067 | union perf_event *event, |
| 1068 | struct perf_tool *tool, |
| 1069 | u64 file_offset) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1070 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 1071 | struct perf_sample sample; |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 1072 | int ret; |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 1073 | |
Jiri Olsa | 268fb20 | 2012-05-30 14:23:43 +0200 | [diff] [blame] | 1074 | if (session->header.needs_swap) |
Arnaldo Carvalho de Melo | 5e56247 | 2012-08-01 19:25:26 -0300 | [diff] [blame] | 1075 | event_swap(event, perf_evlist__sample_id_all(session->evlist)); |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 1076 | |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 1077 | if (event->header.type >= PERF_RECORD_HEADER_MAX) |
| 1078 | return -EINVAL; |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 1079 | |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 1080 | events_stats__inc(&session->evlist->stats, event->header.type); |
Thomas Gleixner | 9aefcab | 2010-12-07 12:48:47 +0000 | [diff] [blame] | 1081 | |
| 1082 | if (event->header.type >= PERF_RECORD_USER_TYPE_START) |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1083 | return perf_session__process_user_event(session, event, tool, file_offset); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 1084 | |
Thomas Gleixner | 3dfc2c0 | 2010-12-07 12:48:58 +0000 | [diff] [blame] | 1085 | /* |
| 1086 | * For all kernel events we get the sample data |
| 1087 | */ |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 1088 | ret = perf_evlist__parse_sample(session->evlist, event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 1089 | if (ret) |
| 1090 | return ret; |
Thomas Gleixner | 3dfc2c0 | 2010-12-07 12:48:58 +0000 | [diff] [blame] | 1091 | |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 1092 | if (tool->ordered_events) { |
Jiri Olsa | d40b4a1 | 2014-08-01 13:01:04 -0300 | [diff] [blame] | 1093 | ret = perf_session_queue_event(session, event, tool, &sample, |
Thomas Gleixner | e4c2df1 | 2010-12-07 12:48:50 +0000 | [diff] [blame] | 1094 | file_offset); |
Thomas Gleixner | cbf4164 | 2010-12-05 14:32:55 +0100 | [diff] [blame] | 1095 | if (ret != -ETIME) |
| 1096 | return ret; |
| 1097 | } |
| 1098 | |
Jiri Olsa | 79a30fe | 2014-06-10 22:31:35 +0200 | [diff] [blame] | 1099 | return perf_session__deliver_event(session, event, &sample, tool, |
| 1100 | file_offset); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1101 | } |
| 1102 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1103 | void perf_event_header__bswap(struct perf_event_header *hdr) |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1104 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1105 | hdr->type = bswap_32(hdr->type); |
| 1106 | hdr->misc = bswap_16(hdr->misc); |
| 1107 | hdr->size = bswap_16(hdr->size); |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1108 | } |
| 1109 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1110 | struct thread *perf_session__findnew(struct perf_session *session, pid_t pid) |
| 1111 | { |
Adrian Hunter | 1fcb876 | 2014-07-14 13:02:25 +0300 | [diff] [blame] | 1112 | return machine__findnew_thread(&session->machines.host, -1, pid); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1113 | } |
| 1114 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1115 | static struct thread *perf_session__register_idle_thread(struct perf_session *session) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1116 | { |
Adrian Hunter | 1fcb876 | 2014-07-14 13:02:25 +0300 | [diff] [blame] | 1117 | struct thread *thread; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1118 | |
Adrian Hunter | 1fcb876 | 2014-07-14 13:02:25 +0300 | [diff] [blame] | 1119 | thread = machine__findnew_thread(&session->machines.host, 0, 0); |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 1120 | if (thread == NULL || thread__set_comm(thread, "swapper", 0)) { |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1121 | pr_err("problem inserting idle task.\n"); |
| 1122 | thread = NULL; |
| 1123 | } |
| 1124 | |
| 1125 | return thread; |
| 1126 | } |
| 1127 | |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1128 | static void perf_tool__warn_about_errors(const struct perf_tool *tool, |
| 1129 | const struct events_stats *stats) |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1130 | { |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1131 | if (tool->lost == perf_event__process_lost && |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1132 | stats->nr_events[PERF_RECORD_LOST] != 0) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 1133 | ui__warning("Processed %d events and lost %d chunks!\n\n" |
| 1134 | "Check IO/CPU overload!\n\n", |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1135 | stats->nr_events[0], |
| 1136 | stats->nr_events[PERF_RECORD_LOST]); |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1137 | } |
| 1138 | |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1139 | if (stats->nr_unknown_events != 0) { |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1140 | ui__warning("Found %u unknown events!\n\n" |
| 1141 | "Is this an older tool processing a perf.data " |
| 1142 | "file generated by a more recent tool?\n\n" |
| 1143 | "If that is not the case, consider " |
| 1144 | "reporting to linux-kernel@vger.kernel.org.\n\n", |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1145 | stats->nr_unknown_events); |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1146 | } |
| 1147 | |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1148 | if (stats->nr_unknown_id != 0) { |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 1149 | ui__warning("%u samples with id not present in the header\n", |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1150 | stats->nr_unknown_id); |
Arnaldo Carvalho de Melo | 9e69c21 | 2011-03-15 15:44:01 -0300 | [diff] [blame] | 1151 | } |
| 1152 | |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1153 | if (stats->nr_invalid_chains != 0) { |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 1154 | ui__warning("Found invalid callchains!\n\n" |
| 1155 | "%u out of %u events were discarded for this reason.\n\n" |
| 1156 | "Consider reporting to linux-kernel@vger.kernel.org.\n\n", |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1157 | stats->nr_invalid_chains, |
| 1158 | stats->nr_events[PERF_RECORD_SAMPLE]); |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 1159 | } |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 1160 | |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1161 | if (stats->nr_unprocessable_samples != 0) { |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 1162 | ui__warning("%u unprocessable samples recorded.\n" |
| 1163 | "Do you have a KVM guest running and not using 'perf kvm'?\n", |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1164 | stats->nr_unprocessable_samples); |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 1165 | } |
Jiri Olsa | f61ff6c | 2014-11-26 16:39:31 +0100 | [diff] [blame] | 1166 | |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1167 | if (stats->nr_unordered_events != 0) |
| 1168 | ui__warning("%u out of order events recorded.\n", stats->nr_unordered_events); |
Arnaldo Carvalho de Melo | 1109599 | 2011-01-04 16:25:15 -0200 | [diff] [blame] | 1169 | } |
| 1170 | |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1171 | volatile int session_done; |
| 1172 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1173 | static int __perf_session__process_pipe_events(struct perf_session *session, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1174 | struct perf_tool *tool) |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1175 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1176 | int fd = perf_data_file__fd(session->file); |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1177 | union perf_event *event; |
| 1178 | uint32_t size, cur_size = 0; |
| 1179 | void *buf = NULL; |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1180 | s64 skip = 0; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1181 | u64 head; |
Jiri Olsa | 727ebd5 | 2013-11-28 11:30:14 +0100 | [diff] [blame] | 1182 | ssize_t err; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1183 | void *p; |
| 1184 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1185 | perf_tool__fill_defaults(tool); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1186 | |
| 1187 | head = 0; |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1188 | cur_size = sizeof(union perf_event); |
| 1189 | |
| 1190 | buf = malloc(cur_size); |
| 1191 | if (!buf) |
| 1192 | return -errno; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1193 | more: |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1194 | event = buf; |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1195 | err = readn(fd, event, sizeof(struct perf_event_header)); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1196 | if (err <= 0) { |
| 1197 | if (err == 0) |
| 1198 | goto done; |
| 1199 | |
| 1200 | pr_err("failed to read event header\n"); |
| 1201 | goto out_err; |
| 1202 | } |
| 1203 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1204 | if (session->header.needs_swap) |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1205 | perf_event_header__bswap(&event->header); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1206 | |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1207 | size = event->header.size; |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1208 | if (size < sizeof(struct perf_event_header)) { |
| 1209 | pr_err("bad event header size\n"); |
| 1210 | goto out_err; |
| 1211 | } |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1212 | |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1213 | if (size > cur_size) { |
| 1214 | void *new = realloc(buf, size); |
| 1215 | if (!new) { |
| 1216 | pr_err("failed to allocate memory to read event\n"); |
| 1217 | goto out_err; |
| 1218 | } |
| 1219 | buf = new; |
| 1220 | cur_size = size; |
| 1221 | event = buf; |
| 1222 | } |
| 1223 | p = event; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1224 | p += sizeof(struct perf_event_header); |
| 1225 | |
Tom Zanussi | 794e43b | 2010-05-05 00:27:40 -0500 | [diff] [blame] | 1226 | if (size - sizeof(struct perf_event_header)) { |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1227 | err = readn(fd, p, size - sizeof(struct perf_event_header)); |
Tom Zanussi | 794e43b | 2010-05-05 00:27:40 -0500 | [diff] [blame] | 1228 | if (err <= 0) { |
| 1229 | if (err == 0) { |
| 1230 | pr_err("unexpected end of event stream\n"); |
| 1231 | goto done; |
| 1232 | } |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1233 | |
Tom Zanussi | 794e43b | 2010-05-05 00:27:40 -0500 | [diff] [blame] | 1234 | pr_err("failed to read event data\n"); |
| 1235 | goto out_err; |
| 1236 | } |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1237 | } |
| 1238 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1239 | if ((skip = perf_session__process_event(session, event, tool, head)) < 0) { |
Jiri Olsa | 9389a46 | 2012-04-16 20:42:51 +0200 | [diff] [blame] | 1240 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1241 | head, event->header.size, event->header.type); |
Jiri Olsa | 9389a46 | 2012-04-16 20:42:51 +0200 | [diff] [blame] | 1242 | err = -EINVAL; |
| 1243 | goto out_err; |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1244 | } |
| 1245 | |
| 1246 | head += size; |
| 1247 | |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1248 | if (skip > 0) |
| 1249 | head += skip; |
| 1250 | |
| 1251 | if (!session_done()) |
| 1252 | goto more; |
| 1253 | done: |
Adrian Hunter | 8c16b64 | 2013-10-18 15:29:02 +0300 | [diff] [blame] | 1254 | /* do the final flush for ordered samples */ |
Jiri Olsa | d8836b5 | 2014-06-05 10:29:45 +0200 | [diff] [blame] | 1255 | err = ordered_events__flush(session, tool, OE_FLUSH__FINAL); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1256 | out_err: |
Stephane Eranian | 444d286 | 2012-05-15 13:28:12 +0200 | [diff] [blame] | 1257 | free(buf); |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1258 | perf_tool__warn_about_errors(tool, &session->evlist->stats); |
Jiri Olsa | adc56ed | 2014-06-10 22:50:03 +0200 | [diff] [blame] | 1259 | ordered_events__free(&session->ordered_events); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1260 | return err; |
| 1261 | } |
| 1262 | |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1263 | static union perf_event * |
| 1264 | fetch_mmaped_event(struct perf_session *session, |
| 1265 | u64 head, size_t mmap_size, char *buf) |
| 1266 | { |
| 1267 | union perf_event *event; |
| 1268 | |
| 1269 | /* |
| 1270 | * Ensure we have enough space remaining to read |
| 1271 | * the size of the event in the headers. |
| 1272 | */ |
| 1273 | if (head + sizeof(event->header) > mmap_size) |
| 1274 | return NULL; |
| 1275 | |
| 1276 | event = (union perf_event *)(buf + head); |
| 1277 | |
| 1278 | if (session->header.needs_swap) |
| 1279 | perf_event_header__bswap(&event->header); |
| 1280 | |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1281 | if (head + event->header.size > mmap_size) { |
| 1282 | /* We're not fetching the event so swap back again */ |
| 1283 | if (session->header.needs_swap) |
| 1284 | perf_event_header__bswap(&event->header); |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1285 | return NULL; |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1286 | } |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1287 | |
| 1288 | return event; |
| 1289 | } |
| 1290 | |
David Miller | 35d48dd | 2012-11-10 14:12:19 -0500 | [diff] [blame] | 1291 | /* |
| 1292 | * On 64bit we can mmap the data file in one go. No need for tiny mmap |
| 1293 | * slices. On 32bit we use 32MB. |
| 1294 | */ |
| 1295 | #if BITS_PER_LONG == 64 |
| 1296 | #define MMAP_SIZE ULLONG_MAX |
| 1297 | #define NUM_MMAPS 1 |
| 1298 | #else |
| 1299 | #define MMAP_SIZE (32 * 1024 * 1024ULL) |
| 1300 | #define NUM_MMAPS 128 |
| 1301 | #endif |
| 1302 | |
Namhyung Kim | 4ac30cf | 2015-01-29 17:06:43 +0900 | [diff] [blame] | 1303 | static int __perf_session__process_events(struct perf_session *session, |
| 1304 | u64 data_offset, u64 data_size, |
| 1305 | u64 file_size, struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1306 | { |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1307 | int fd = perf_data_file__fd(session->file); |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1308 | u64 head, page_offset, file_offset, file_pos, size; |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1309 | int err, mmap_prot, mmap_flags, map_idx = 0; |
Arnaldo Carvalho de Melo | 0c1fe6b | 2012-10-06 14:57:10 -0300 | [diff] [blame] | 1310 | size_t mmap_size; |
David Miller | 35d48dd | 2012-11-10 14:12:19 -0500 | [diff] [blame] | 1311 | char *buf, *mmaps[NUM_MMAPS]; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1312 | union perf_event *event; |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 1313 | struct ui_progress prog; |
Adrian Hunter | d5652d8 | 2014-07-23 22:19:58 +0300 | [diff] [blame] | 1314 | s64 skip; |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1315 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1316 | perf_tool__fill_defaults(tool); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1317 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1318 | page_offset = page_size * (data_offset / page_size); |
| 1319 | file_offset = page_offset; |
| 1320 | head = data_offset - page_offset; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1321 | |
Namhyung Kim | b314e5c | 2013-09-30 17:19:48 +0900 | [diff] [blame] | 1322 | if (data_size && (data_offset + data_size < file_size)) |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1323 | file_size = data_offset + data_size; |
| 1324 | |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 1325 | ui_progress__init(&prog, file_size, "Processing events..."); |
Thomas Gleixner | 55b4462 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1326 | |
David Miller | 35d48dd | 2012-11-10 14:12:19 -0500 | [diff] [blame] | 1327 | mmap_size = MMAP_SIZE; |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1328 | if (mmap_size > file_size) { |
Thomas Gleixner | 55b4462 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1329 | mmap_size = file_size; |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1330 | session->one_mmap = true; |
| 1331 | } |
Thomas Gleixner | 55b4462 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1332 | |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1333 | memset(mmaps, 0, sizeof(mmaps)); |
| 1334 | |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1335 | mmap_prot = PROT_READ; |
| 1336 | mmap_flags = MAP_SHARED; |
| 1337 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1338 | if (session->header.needs_swap) { |
Arnaldo Carvalho de Melo | ba21594 | 2010-01-14 12:23:10 -0200 | [diff] [blame] | 1339 | mmap_prot |= PROT_WRITE; |
| 1340 | mmap_flags = MAP_PRIVATE; |
| 1341 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1342 | remap: |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1343 | buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, fd, |
Thomas Gleixner | 55b4462 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1344 | file_offset); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1345 | if (buf == MAP_FAILED) { |
| 1346 | pr_err("failed to mmap file\n"); |
| 1347 | err = -errno; |
| 1348 | goto out_err; |
| 1349 | } |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1350 | mmaps[map_idx] = buf; |
| 1351 | map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1); |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1352 | file_pos = file_offset + head; |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1353 | if (session->one_mmap) { |
| 1354 | session->one_mmap_addr = buf; |
| 1355 | session->one_mmap_offset = file_offset; |
| 1356 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1357 | |
| 1358 | more: |
Frederic Weisbecker | 998bedc | 2011-05-23 13:06:28 +0200 | [diff] [blame] | 1359 | event = fetch_mmaped_event(session, head, mmap_size, buf); |
| 1360 | if (!event) { |
Thomas Gleixner | fe17420 | 2010-11-30 17:49:49 +0000 | [diff] [blame] | 1361 | if (mmaps[map_idx]) { |
| 1362 | munmap(mmaps[map_idx], mmap_size); |
| 1363 | mmaps[map_idx] = NULL; |
| 1364 | } |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1365 | |
Thomas Gleixner | 0331ee0 | 2010-11-30 17:49:38 +0000 | [diff] [blame] | 1366 | page_offset = page_size * (head / page_size); |
| 1367 | file_offset += page_offset; |
| 1368 | head -= page_offset; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1369 | goto remap; |
| 1370 | } |
| 1371 | |
| 1372 | size = event->header.size; |
| 1373 | |
Adrian Hunter | 27389d7 | 2013-07-04 16:20:27 +0300 | [diff] [blame] | 1374 | if (size < sizeof(struct perf_event_header) || |
Adrian Hunter | 6f917c7 | 2014-07-23 22:19:57 +0300 | [diff] [blame] | 1375 | (skip = perf_session__process_event(session, event, tool, file_pos)) |
| 1376 | < 0) { |
Jiri Olsa | 9389a46 | 2012-04-16 20:42:51 +0200 | [diff] [blame] | 1377 | pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", |
| 1378 | file_offset + head, event->header.size, |
| 1379 | event->header.type); |
| 1380 | err = -EINVAL; |
| 1381 | goto out_err; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1382 | } |
| 1383 | |
Adrian Hunter | 6f917c7 | 2014-07-23 22:19:57 +0300 | [diff] [blame] | 1384 | if (skip) |
| 1385 | size += skip; |
| 1386 | |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1387 | head += size; |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1388 | file_pos += size; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1389 | |
Arnaldo Carvalho de Melo | 4d3001f | 2013-10-23 15:40:38 -0300 | [diff] [blame] | 1390 | ui_progress__update(&prog, size); |
Thomas Gleixner | 55b4462 | 2010-11-30 17:49:46 +0000 | [diff] [blame] | 1391 | |
Arnaldo Carvalho de Melo | 33e940a | 2013-09-17 16:34:28 -0300 | [diff] [blame] | 1392 | if (session_done()) |
Adrian Hunter | 8c16b64 | 2013-10-18 15:29:02 +0300 | [diff] [blame] | 1393 | goto out; |
Arnaldo Carvalho de Melo | 33e940a | 2013-09-17 16:34:28 -0300 | [diff] [blame] | 1394 | |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1395 | if (file_pos < file_size) |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1396 | goto more; |
Thomas Gleixner | d651328 | 2010-11-30 17:49:44 +0000 | [diff] [blame] | 1397 | |
Adrian Hunter | 8c16b64 | 2013-10-18 15:29:02 +0300 | [diff] [blame] | 1398 | out: |
Frederic Weisbecker | c61e52e | 2010-04-24 00:04:12 +0200 | [diff] [blame] | 1399 | /* do the final flush for ordered samples */ |
Jiri Olsa | d8836b5 | 2014-06-05 10:29:45 +0200 | [diff] [blame] | 1400 | err = ordered_events__flush(session, tool, OE_FLUSH__FINAL); |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1401 | out_err: |
Namhyung Kim | a5580f3 | 2012-11-13 22:30:34 +0900 | [diff] [blame] | 1402 | ui_progress__finish(); |
Arnaldo Carvalho de Melo | ccda068 | 2015-02-14 14:57:13 -0300 | [diff] [blame^] | 1403 | perf_tool__warn_about_errors(tool, &session->evlist->stats); |
Jiri Olsa | adc56ed | 2014-06-10 22:50:03 +0200 | [diff] [blame] | 1404 | ordered_events__free(&session->ordered_events); |
Adrian Hunter | 919d86d | 2014-07-14 13:02:51 +0300 | [diff] [blame] | 1405 | session->one_mmap = false; |
Arnaldo Carvalho de Melo | 06aae590 | 2009-12-27 21:36:59 -0200 | [diff] [blame] | 1406 | return err; |
| 1407 | } |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1408 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1409 | int perf_session__process_events(struct perf_session *session, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 1410 | struct perf_tool *tool) |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1411 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1412 | u64 size = perf_data_file__size(session->file); |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1413 | int err; |
| 1414 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1415 | if (perf_session__register_idle_thread(session) == NULL) |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1416 | return -ENOMEM; |
| 1417 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1418 | if (!perf_data_file__is_pipe(session->file)) |
| 1419 | err = __perf_session__process_events(session, |
| 1420 | session->header.data_offset, |
| 1421 | session->header.data_size, |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1422 | size, tool); |
Tom Zanussi | 8dc5810 | 2010-04-01 23:59:15 -0500 | [diff] [blame] | 1423 | else |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1424 | err = __perf_session__process_pipe_events(session, tool); |
Dave Martin | 88ca895 | 2010-07-27 11:46:12 -0300 | [diff] [blame] | 1425 | |
Arnaldo Carvalho de Melo | 6122e4e | 2010-02-03 16:52:05 -0200 | [diff] [blame] | 1426 | return err; |
| 1427 | } |
| 1428 | |
Arnaldo Carvalho de Melo | 7f3be65 | 2012-08-01 19:15:52 -0300 | [diff] [blame] | 1429 | bool perf_session__has_traces(struct perf_session *session, const char *msg) |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1430 | { |
David Ahern | 93ea01c | 2013-08-07 22:50:58 -0400 | [diff] [blame] | 1431 | struct perf_evsel *evsel; |
| 1432 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1433 | evlist__for_each(session->evlist, evsel) { |
David Ahern | 93ea01c | 2013-08-07 22:50:58 -0400 | [diff] [blame] | 1434 | if (evsel->attr.type == PERF_TYPE_TRACEPOINT) |
| 1435 | return true; |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1436 | } |
| 1437 | |
David Ahern | 93ea01c | 2013-08-07 22:50:58 -0400 | [diff] [blame] | 1438 | pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg); |
| 1439 | return false; |
Arnaldo Carvalho de Melo | 2729559 | 2009-12-27 21:37:01 -0200 | [diff] [blame] | 1440 | } |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1441 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 1442 | int maps__set_kallsyms_ref_reloc_sym(struct map **maps, |
| 1443 | const char *symbol_name, u64 addr) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1444 | { |
| 1445 | char *bracket; |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 1446 | enum map_type i; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1447 | struct ref_reloc_sym *ref; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1448 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1449 | ref = zalloc(sizeof(struct ref_reloc_sym)); |
| 1450 | if (ref == NULL) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1451 | return -ENOMEM; |
| 1452 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1453 | ref->name = strdup(symbol_name); |
| 1454 | if (ref->name == NULL) { |
| 1455 | free(ref); |
| 1456 | return -ENOMEM; |
| 1457 | } |
| 1458 | |
| 1459 | bracket = strchr(ref->name, ']'); |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1460 | if (bracket) |
| 1461 | *bracket = '\0'; |
| 1462 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1463 | ref->addr = addr; |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 1464 | |
| 1465 | for (i = 0; i < MAP__NR_TYPES; ++i) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1466 | struct kmap *kmap = map__kmap(maps[i]); |
| 1467 | kmap->ref_reloc_sym = ref; |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 1468 | } |
| 1469 | |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 1470 | return 0; |
| 1471 | } |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 1472 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1473 | size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp) |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 1474 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1475 | return machines__fprintf_dsos(&session->machines, fp); |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 1476 | } |
Arnaldo Carvalho de Melo | f869097 | 2010-05-19 13:41:23 -0300 | [diff] [blame] | 1477 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1478 | size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, |
Arnaldo Carvalho de Melo | 417c2ff | 2012-12-07 09:53:58 -0300 | [diff] [blame] | 1479 | bool (skip)(struct dso *dso, int parm), int parm) |
Arnaldo Carvalho de Melo | f869097 | 2010-05-19 13:41:23 -0300 | [diff] [blame] | 1480 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 1481 | return machines__fprintf_dsos_buildid(&session->machines, fp, skip, parm); |
Arnaldo Carvalho de Melo | f869097 | 2010-05-19 13:41:23 -0300 | [diff] [blame] | 1482 | } |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 1483 | |
| 1484 | size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp) |
| 1485 | { |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 1486 | size_t ret = fprintf(fp, "Aggregated stats:\n"); |
| 1487 | |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 1488 | ret += events_stats__fprintf(&session->evlist->stats, fp); |
Arnaldo Carvalho de Melo | e248de3 | 2011-03-05 21:40:06 -0300 | [diff] [blame] | 1489 | return ret; |
| 1490 | } |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1491 | |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1492 | size_t perf_session__fprintf(struct perf_session *session, FILE *fp) |
| 1493 | { |
| 1494 | /* |
| 1495 | * FIXME: Here we have to actually print all the machines in this |
| 1496 | * session, not just the host... |
| 1497 | */ |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 1498 | return machine__fprintf(&session->machines.host, fp); |
Arnaldo Carvalho de Melo | b424eba | 2011-11-09 13:24:25 -0200 | [diff] [blame] | 1499 | } |
| 1500 | |
David Ahern | 9cbdb70 | 2011-04-06 21:54:20 -0600 | [diff] [blame] | 1501 | struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, |
| 1502 | unsigned int type) |
| 1503 | { |
| 1504 | struct perf_evsel *pos; |
| 1505 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 1506 | evlist__for_each(session->evlist, pos) { |
David Ahern | 9cbdb70 | 2011-04-06 21:54:20 -0600 | [diff] [blame] | 1507 | if (pos->attr.type == type) |
| 1508 | return pos; |
| 1509 | } |
| 1510 | return NULL; |
| 1511 | } |
| 1512 | |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1513 | void perf_evsel__print_ip(struct perf_evsel *evsel, struct perf_sample *sample, |
Arnaldo Carvalho de Melo | cc22e57 | 2013-12-19 17:20:06 -0300 | [diff] [blame] | 1514 | struct addr_location *al, |
David Ahern | 307cbb9 | 2013-08-07 22:50:53 -0400 | [diff] [blame] | 1515 | unsigned int print_opts, unsigned int stack_depth) |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1516 | { |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1517 | struct callchain_cursor_node *node; |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1518 | int print_ip = print_opts & PRINT_IP_OPT_IP; |
| 1519 | int print_sym = print_opts & PRINT_IP_OPT_SYM; |
| 1520 | int print_dso = print_opts & PRINT_IP_OPT_DSO; |
| 1521 | int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET; |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1522 | int print_oneline = print_opts & PRINT_IP_OPT_ONELINE; |
Adrian Hunter | cc8fae1 | 2013-12-06 09:42:57 +0200 | [diff] [blame] | 1523 | int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE; |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1524 | char s = print_oneline ? ' ' : '\t'; |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1525 | |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1526 | if (symbol_conf.use_callchain && sample->callchain) { |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1527 | struct addr_location node_al; |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1528 | |
Arnaldo Carvalho de Melo | cc8b7c2 | 2014-10-23 15:26:17 -0300 | [diff] [blame] | 1529 | if (thread__resolve_callchain(al->thread, evsel, |
| 1530 | sample, NULL, NULL, |
| 1531 | PERF_MAX_STACK_DEPTH) != 0) { |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1532 | if (verbose) |
| 1533 | error("Failed to resolve callchain. Skipping\n"); |
| 1534 | return; |
| 1535 | } |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 1536 | callchain_cursor_commit(&callchain_cursor); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1537 | |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1538 | if (print_symoffset) |
| 1539 | node_al = *al; |
| 1540 | |
David Ahern | 307cbb9 | 2013-08-07 22:50:53 -0400 | [diff] [blame] | 1541 | while (stack_depth) { |
Adrian Hunter | a4eb24a | 2013-12-06 09:42:56 +0200 | [diff] [blame] | 1542 | u64 addr = 0; |
| 1543 | |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 1544 | node = callchain_cursor_current(&callchain_cursor); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1545 | if (!node) |
| 1546 | break; |
| 1547 | |
David Ahern | d2ff1b1 | 2013-11-18 13:32:44 -0700 | [diff] [blame] | 1548 | if (node->sym && node->sym->ignore) |
| 1549 | goto next; |
| 1550 | |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1551 | if (print_ip) |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1552 | printf("%c%16" PRIx64, s, node->ip); |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1553 | |
Adrian Hunter | a4eb24a | 2013-12-06 09:42:56 +0200 | [diff] [blame] | 1554 | if (node->map) |
| 1555 | addr = node->map->map_ip(node->map, node->ip); |
| 1556 | |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1557 | if (print_sym) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1558 | printf(" "); |
David Ahern | 251f426 | 2013-07-28 09:14:34 -0600 | [diff] [blame] | 1559 | if (print_symoffset) { |
Adrian Hunter | a4eb24a | 2013-12-06 09:42:56 +0200 | [diff] [blame] | 1560 | node_al.addr = addr; |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1561 | node_al.map = node->map; |
| 1562 | symbol__fprintf_symname_offs(node->sym, &node_al, stdout); |
David Ahern | 251f426 | 2013-07-28 09:14:34 -0600 | [diff] [blame] | 1563 | } else |
| 1564 | symbol__fprintf_symname(node->sym, stdout); |
David Ahern | 610723f | 2011-05-27 14:28:44 -0600 | [diff] [blame] | 1565 | } |
David Ahern | 251f426 | 2013-07-28 09:14:34 -0600 | [diff] [blame] | 1566 | |
David Ahern | 610723f | 2011-05-27 14:28:44 -0600 | [diff] [blame] | 1567 | if (print_dso) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1568 | printf(" ("); |
David Ahern | 52deff7 | 2012-05-29 22:58:26 -0600 | [diff] [blame] | 1569 | map__fprintf_dsoname(node->map, stdout); |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1570 | printf(")"); |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1571 | } |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1572 | |
Adrian Hunter | cc8fae1 | 2013-12-06 09:42:57 +0200 | [diff] [blame] | 1573 | if (print_srcline) |
| 1574 | map__fprintf_srcline(node->map, addr, "\n ", |
| 1575 | stdout); |
| 1576 | |
David Ahern | b0b35f0 | 2013-08-07 22:50:52 -0400 | [diff] [blame] | 1577 | if (!print_oneline) |
| 1578 | printf("\n"); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1579 | |
David Ahern | 307cbb9 | 2013-08-07 22:50:53 -0400 | [diff] [blame] | 1580 | stack_depth--; |
David Ahern | d2ff1b1 | 2013-11-18 13:32:44 -0700 | [diff] [blame] | 1581 | next: |
| 1582 | callchain_cursor_advance(&callchain_cursor); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1583 | } |
| 1584 | |
| 1585 | } else { |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1586 | if (al->sym && al->sym->ignore) |
David Ahern | d2ff1b1 | 2013-11-18 13:32:44 -0700 | [diff] [blame] | 1587 | return; |
| 1588 | |
David Ahern | a6ffaf9 | 2013-08-07 22:50:51 -0400 | [diff] [blame] | 1589 | if (print_ip) |
| 1590 | printf("%16" PRIx64, sample->ip); |
| 1591 | |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1592 | if (print_sym) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1593 | printf(" "); |
Akihiro Nagai | a978f2a | 2012-01-30 13:43:15 +0900 | [diff] [blame] | 1594 | if (print_symoffset) |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1595 | symbol__fprintf_symname_offs(al->sym, al, |
Akihiro Nagai | a978f2a | 2012-01-30 13:43:15 +0900 | [diff] [blame] | 1596 | stdout); |
| 1597 | else |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1598 | symbol__fprintf_symname(al->sym, stdout); |
David Ahern | 610723f | 2011-05-27 14:28:44 -0600 | [diff] [blame] | 1599 | } |
| 1600 | |
| 1601 | if (print_dso) { |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1602 | printf(" ("); |
Adrian Hunter | a2cb3cf | 2013-12-04 16:16:36 +0200 | [diff] [blame] | 1603 | map__fprintf_dsoname(al->map, stdout); |
Akihiro Nagai | 547a92e | 2012-01-30 13:42:57 +0900 | [diff] [blame] | 1604 | printf(")"); |
David Ahern | 787bef1 | 2011-05-27 14:28:43 -0600 | [diff] [blame] | 1605 | } |
Adrian Hunter | cc8fae1 | 2013-12-06 09:42:57 +0200 | [diff] [blame] | 1606 | |
| 1607 | if (print_srcline) |
| 1608 | map__fprintf_srcline(al->map, al->addr, "\n ", stdout); |
David Ahern | c0230b2 | 2011-03-09 22:23:27 -0700 | [diff] [blame] | 1609 | } |
| 1610 | } |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1611 | |
| 1612 | int perf_session__cpu_bitmap(struct perf_session *session, |
| 1613 | const char *cpu_list, unsigned long *cpu_bitmap) |
| 1614 | { |
Stanislav Fomichev | 8bac41c | 2014-01-20 15:39:39 +0400 | [diff] [blame] | 1615 | int i, err = -1; |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1616 | struct cpu_map *map; |
| 1617 | |
| 1618 | for (i = 0; i < PERF_TYPE_MAX; ++i) { |
| 1619 | struct perf_evsel *evsel; |
| 1620 | |
| 1621 | evsel = perf_session__find_first_evtype(session, i); |
| 1622 | if (!evsel) |
| 1623 | continue; |
| 1624 | |
| 1625 | if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) { |
| 1626 | pr_err("File does not contain CPU events. " |
| 1627 | "Remove -c option to proceed.\n"); |
| 1628 | return -1; |
| 1629 | } |
| 1630 | } |
| 1631 | |
| 1632 | map = cpu_map__new(cpu_list); |
David Ahern | 47fbe53 | 2011-11-13 10:45:27 -0700 | [diff] [blame] | 1633 | if (map == NULL) { |
| 1634 | pr_err("Invalid cpu_list\n"); |
| 1635 | return -1; |
| 1636 | } |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1637 | |
| 1638 | for (i = 0; i < map->nr; i++) { |
| 1639 | int cpu = map->map[i]; |
| 1640 | |
| 1641 | if (cpu >= MAX_NR_CPUS) { |
| 1642 | pr_err("Requested CPU %d too large. " |
| 1643 | "Consider raising MAX_NR_CPUS\n", cpu); |
Stanislav Fomichev | 8bac41c | 2014-01-20 15:39:39 +0400 | [diff] [blame] | 1644 | goto out_delete_map; |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1645 | } |
| 1646 | |
| 1647 | set_bit(cpu, cpu_bitmap); |
| 1648 | } |
| 1649 | |
Stanislav Fomichev | 8bac41c | 2014-01-20 15:39:39 +0400 | [diff] [blame] | 1650 | err = 0; |
| 1651 | |
| 1652 | out_delete_map: |
| 1653 | cpu_map__delete(map); |
| 1654 | return err; |
Anton Blanchard | 5d67be9 | 2011-07-04 21:57:50 +1000 | [diff] [blame] | 1655 | } |
Stephane Eranian | fbe96f2 | 2011-09-30 15:40:40 +0200 | [diff] [blame] | 1656 | |
| 1657 | void perf_session__fprintf_info(struct perf_session *session, FILE *fp, |
| 1658 | bool full) |
| 1659 | { |
| 1660 | struct stat st; |
Masanari Iida | c5765ec | 2014-05-15 02:13:38 +0900 | [diff] [blame] | 1661 | int fd, ret; |
Stephane Eranian | fbe96f2 | 2011-09-30 15:40:40 +0200 | [diff] [blame] | 1662 | |
| 1663 | if (session == NULL || fp == NULL) |
| 1664 | return; |
| 1665 | |
Masanari Iida | c5765ec | 2014-05-15 02:13:38 +0900 | [diff] [blame] | 1666 | fd = perf_data_file__fd(session->file); |
| 1667 | |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 1668 | ret = fstat(fd, &st); |
Stephane Eranian | fbe96f2 | 2011-09-30 15:40:40 +0200 | [diff] [blame] | 1669 | if (ret == -1) |
| 1670 | return; |
| 1671 | |
| 1672 | fprintf(fp, "# ========\n"); |
| 1673 | fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); |
| 1674 | perf_header__fprintf_info(session, fp, full); |
| 1675 | fprintf(fp, "# ========\n#\n"); |
| 1676 | } |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1677 | |
| 1678 | |
| 1679 | int __perf_session__set_tracepoints_handlers(struct perf_session *session, |
| 1680 | const struct perf_evsel_str_handler *assocs, |
| 1681 | size_t nr_assocs) |
| 1682 | { |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1683 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1684 | size_t i; |
| 1685 | int err; |
| 1686 | |
| 1687 | for (i = 0; i < nr_assocs; i++) { |
Arnaldo Carvalho de Melo | ccf53ea | 2013-09-06 15:19:01 -0300 | [diff] [blame] | 1688 | /* |
| 1689 | * Adding a handler for an event not in the session, |
| 1690 | * just ignore it. |
| 1691 | */ |
| 1692 | evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name); |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1693 | if (evsel == NULL) |
Arnaldo Carvalho de Melo | ccf53ea | 2013-09-06 15:19:01 -0300 | [diff] [blame] | 1694 | continue; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1695 | |
| 1696 | err = -EEXIST; |
Arnaldo Carvalho de Melo | 744a971 | 2013-11-06 10:17:38 -0300 | [diff] [blame] | 1697 | if (evsel->handler != NULL) |
Arnaldo Carvalho de Melo | ccf53ea | 2013-09-06 15:19:01 -0300 | [diff] [blame] | 1698 | goto out; |
Arnaldo Carvalho de Melo | 744a971 | 2013-11-06 10:17:38 -0300 | [diff] [blame] | 1699 | evsel->handler = assocs[i].handler; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1700 | } |
| 1701 | |
| 1702 | err = 0; |
| 1703 | out: |
| 1704 | return err; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 1705 | } |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 1706 | |
| 1707 | int perf_event__process_id_index(struct perf_tool *tool __maybe_unused, |
| 1708 | union perf_event *event, |
| 1709 | struct perf_session *session) |
| 1710 | { |
| 1711 | struct perf_evlist *evlist = session->evlist; |
| 1712 | struct id_index_event *ie = &event->id_index; |
| 1713 | size_t i, nr, max_nr; |
| 1714 | |
| 1715 | max_nr = (ie->header.size - sizeof(struct id_index_event)) / |
| 1716 | sizeof(struct id_index_entry); |
| 1717 | nr = ie->nr; |
| 1718 | if (nr > max_nr) |
| 1719 | return -EINVAL; |
| 1720 | |
| 1721 | if (dump_trace) |
| 1722 | fprintf(stdout, " nr: %zu\n", nr); |
| 1723 | |
| 1724 | for (i = 0; i < nr; i++) { |
| 1725 | struct id_index_entry *e = &ie->entries[i]; |
| 1726 | struct perf_sample_id *sid; |
| 1727 | |
| 1728 | if (dump_trace) { |
| 1729 | fprintf(stdout, " ... id: %"PRIu64, e->id); |
| 1730 | fprintf(stdout, " idx: %"PRIu64, e->idx); |
| 1731 | fprintf(stdout, " cpu: %"PRId64, e->cpu); |
| 1732 | fprintf(stdout, " tid: %"PRId64"\n", e->tid); |
| 1733 | } |
| 1734 | |
| 1735 | sid = perf_evlist__id2sid(evlist, e->id); |
| 1736 | if (!sid) |
| 1737 | return -ENOENT; |
| 1738 | sid->idx = e->idx; |
| 1739 | sid->cpu = e->cpu; |
| 1740 | sid->tid = e->tid; |
| 1741 | } |
| 1742 | return 0; |
| 1743 | } |
| 1744 | |
| 1745 | int perf_event__synthesize_id_index(struct perf_tool *tool, |
| 1746 | perf_event__handler_t process, |
| 1747 | struct perf_evlist *evlist, |
| 1748 | struct machine *machine) |
| 1749 | { |
| 1750 | union perf_event *ev; |
| 1751 | struct perf_evsel *evsel; |
| 1752 | size_t nr = 0, i = 0, sz, max_nr, n; |
| 1753 | int err; |
| 1754 | |
| 1755 | pr_debug2("Synthesizing id index\n"); |
| 1756 | |
| 1757 | max_nr = (UINT16_MAX - sizeof(struct id_index_event)) / |
| 1758 | sizeof(struct id_index_entry); |
| 1759 | |
Arnaldo Carvalho de Melo | cba9b84 | 2014-10-29 11:31:54 -0200 | [diff] [blame] | 1760 | evlist__for_each(evlist, evsel) |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 1761 | nr += evsel->ids; |
| 1762 | |
| 1763 | n = nr > max_nr ? max_nr : nr; |
| 1764 | sz = sizeof(struct id_index_event) + n * sizeof(struct id_index_entry); |
| 1765 | ev = zalloc(sz); |
| 1766 | if (!ev) |
| 1767 | return -ENOMEM; |
| 1768 | |
| 1769 | ev->id_index.header.type = PERF_RECORD_ID_INDEX; |
| 1770 | ev->id_index.header.size = sz; |
| 1771 | ev->id_index.nr = n; |
| 1772 | |
Arnaldo Carvalho de Melo | cba9b84 | 2014-10-29 11:31:54 -0200 | [diff] [blame] | 1773 | evlist__for_each(evlist, evsel) { |
Adrian Hunter | 3c659ee | 2014-10-27 15:49:22 +0200 | [diff] [blame] | 1774 | u32 j; |
| 1775 | |
| 1776 | for (j = 0; j < evsel->ids; j++) { |
| 1777 | struct id_index_entry *e; |
| 1778 | struct perf_sample_id *sid; |
| 1779 | |
| 1780 | if (i >= n) { |
| 1781 | err = process(tool, ev, NULL, machine); |
| 1782 | if (err) |
| 1783 | goto out_err; |
| 1784 | nr -= n; |
| 1785 | i = 0; |
| 1786 | } |
| 1787 | |
| 1788 | e = &ev->id_index.entries[i++]; |
| 1789 | |
| 1790 | e->id = evsel->id[j]; |
| 1791 | |
| 1792 | sid = perf_evlist__id2sid(evlist, e->id); |
| 1793 | if (!sid) { |
| 1794 | free(ev); |
| 1795 | return -ENOENT; |
| 1796 | } |
| 1797 | |
| 1798 | e->idx = sid->idx; |
| 1799 | e->cpu = sid->cpu; |
| 1800 | e->tid = sid->tid; |
| 1801 | } |
| 1802 | } |
| 1803 | |
| 1804 | sz = sizeof(struct id_index_event) + nr * sizeof(struct id_index_entry); |
| 1805 | ev->id_index.header.size = sz; |
| 1806 | ev->id_index.nr = nr; |
| 1807 | |
| 1808 | err = process(tool, ev, NULL, machine); |
| 1809 | out_err: |
| 1810 | free(ev); |
| 1811 | |
| 1812 | return err; |
| 1813 | } |