Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 1 | #include <linux/types.h> |
| 2 | #include "event.h" |
| 3 | #include "debug.h" |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 4 | #include "machine.h" |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 5 | #include "sort.h" |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 6 | #include "string.h" |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 7 | #include "strlist.h" |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 8 | #include "thread.h" |
Arnaldo Carvalho de Melo | 7c940c1 | 2011-02-11 11:45:54 -0200 | [diff] [blame] | 9 | #include "thread_map.h" |
Arnaldo Carvalho de Melo | c506c96 | 2013-12-11 09:15:00 -0300 | [diff] [blame] | 10 | #include "symbol/kallsyms.h" |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 11 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 12 | static const char *perf_event__names[] = { |
Frederic Weisbecker | 3cb6d15 | 2011-05-23 13:06:27 +0200 | [diff] [blame] | 13 | [0] = "TOTAL", |
| 14 | [PERF_RECORD_MMAP] = "MMAP", |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 15 | [PERF_RECORD_MMAP2] = "MMAP2", |
Frederic Weisbecker | 3cb6d15 | 2011-05-23 13:06:27 +0200 | [diff] [blame] | 16 | [PERF_RECORD_LOST] = "LOST", |
| 17 | [PERF_RECORD_COMM] = "COMM", |
| 18 | [PERF_RECORD_EXIT] = "EXIT", |
| 19 | [PERF_RECORD_THROTTLE] = "THROTTLE", |
| 20 | [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE", |
| 21 | [PERF_RECORD_FORK] = "FORK", |
| 22 | [PERF_RECORD_READ] = "READ", |
| 23 | [PERF_RECORD_SAMPLE] = "SAMPLE", |
| 24 | [PERF_RECORD_HEADER_ATTR] = "ATTR", |
| 25 | [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", |
| 26 | [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", |
| 27 | [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", |
| 28 | [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", |
Arnaldo Carvalho de Melo | c8446b9 | 2010-05-14 10:36:42 -0300 | [diff] [blame] | 29 | }; |
| 30 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 31 | const char *perf_event__name(unsigned int id) |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame] | 32 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 33 | if (id >= ARRAY_SIZE(perf_event__names)) |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame] | 34 | return "INVALID"; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 35 | if (!perf_event__names[id]) |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame] | 36 | return "UNKNOWN"; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 37 | return perf_event__names[id]; |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame] | 38 | } |
| 39 | |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 40 | static struct perf_sample synth_sample = { |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 41 | .pid = -1, |
| 42 | .tid = -1, |
| 43 | .time = -1, |
| 44 | .stream_id = -1, |
| 45 | .cpu = -1, |
| 46 | .period = 1, |
| 47 | }; |
| 48 | |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 49 | static pid_t perf_event__get_comm_tgid(pid_t pid, char *comm, size_t len) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 50 | { |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 51 | char filename[PATH_MAX]; |
| 52 | char bf[BUFSIZ]; |
| 53 | FILE *fp; |
| 54 | size_t size = 0; |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 55 | pid_t tgid = -1; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 56 | |
| 57 | snprintf(filename, sizeof(filename), "/proc/%d/status", pid); |
| 58 | |
| 59 | fp = fopen(filename, "r"); |
| 60 | if (fp == NULL) { |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 61 | pr_debug("couldn't open %s\n", filename); |
| 62 | return 0; |
| 63 | } |
| 64 | |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 65 | while (!comm[0] || (tgid < 0)) { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 66 | if (fgets(bf, sizeof(bf), fp) == NULL) { |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 67 | pr_warning("couldn't get COMM and pgid, malformed %s\n", |
| 68 | filename); |
| 69 | break; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 70 | } |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 71 | |
| 72 | if (memcmp(bf, "Name:", 5) == 0) { |
| 73 | char *name = bf + 5; |
| 74 | while (*name && isspace(*name)) |
| 75 | ++name; |
| 76 | size = strlen(name) - 1; |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 77 | if (size >= len) |
| 78 | size = len - 1; |
| 79 | memcpy(comm, name, size); |
David Ahern | cfbd70c | 2012-02-24 12:31:38 -0700 | [diff] [blame] | 80 | comm[size] = '\0'; |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 81 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 82 | } else if (memcmp(bf, "Tgid:", 5) == 0) { |
| 83 | char *tgids = bf + 5; |
| 84 | while (*tgids && isspace(*tgids)) |
| 85 | ++tgids; |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 86 | tgid = atoi(tgids); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 87 | } |
| 88 | } |
| 89 | |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 90 | fclose(fp); |
| 91 | |
| 92 | return tgid; |
| 93 | } |
| 94 | |
| 95 | static pid_t perf_event__synthesize_comm(struct perf_tool *tool, |
| 96 | union perf_event *event, pid_t pid, |
| 97 | int full, |
| 98 | perf_event__handler_t process, |
| 99 | struct machine *machine) |
| 100 | { |
| 101 | char filename[PATH_MAX]; |
| 102 | size_t size; |
| 103 | DIR *tasks; |
| 104 | struct dirent dirent, *next; |
| 105 | pid_t tgid; |
| 106 | |
| 107 | memset(&event->comm, 0, sizeof(event->comm)); |
| 108 | |
Dongsheng Yang | f5db57c4 | 2013-12-20 15:52:59 -0500 | [diff] [blame^] | 109 | if (machine__is_host(machine)) |
| 110 | tgid = perf_event__get_comm_tgid(pid, event->comm.comm, |
| 111 | sizeof(event->comm.comm)); |
| 112 | else |
| 113 | tgid = machine->pid; |
| 114 | |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 115 | if (tgid < 0) |
| 116 | goto out; |
| 117 | |
| 118 | event->comm.pid = tgid; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 119 | event->comm.header.type = PERF_RECORD_COMM; |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 120 | |
| 121 | size = strlen(event->comm.comm) + 1; |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 122 | size = PERF_ALIGN(size, sizeof(u64)); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 123 | memset(event->comm.comm + size, 0, machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 124 | event->comm.header.size = (sizeof(event->comm) - |
| 125 | (sizeof(event->comm.comm) - size) + |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 126 | machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 127 | if (!full) { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 128 | event->comm.tid = pid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 129 | |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 130 | if (process(tool, event, &synth_sample, machine) != 0) |
| 131 | return -1; |
| 132 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 133 | goto out; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 134 | } |
| 135 | |
Dongsheng Yang | 9956346 | 2013-12-20 15:52:57 -0500 | [diff] [blame] | 136 | snprintf(filename, sizeof(filename), "%s/proc/%d/task", |
| 137 | machine->root_dir, pid); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 138 | |
| 139 | tasks = opendir(filename); |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 140 | if (tasks == NULL) { |
| 141 | pr_debug("couldn't open %s\n", filename); |
| 142 | return 0; |
| 143 | } |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 144 | |
| 145 | while (!readdir_r(tasks, &dirent, &next) && next) { |
| 146 | char *end; |
| 147 | pid = strtol(dirent.d_name, &end, 10); |
| 148 | if (*end) |
| 149 | continue; |
| 150 | |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 151 | /* already have tgid; jut want to update the comm */ |
| 152 | (void) perf_event__get_comm_tgid(pid, event->comm.comm, |
| 153 | sizeof(event->comm.comm)); |
| 154 | |
| 155 | size = strlen(event->comm.comm) + 1; |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 156 | size = PERF_ALIGN(size, sizeof(u64)); |
David Ahern | f5faf72 | 2011-12-22 11:30:02 -0700 | [diff] [blame] | 157 | memset(event->comm.comm + size, 0, machine->id_hdr_size); |
| 158 | event->comm.header.size = (sizeof(event->comm) - |
| 159 | (sizeof(event->comm.comm) - size) + |
| 160 | machine->id_hdr_size); |
| 161 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 162 | event->comm.tid = pid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 163 | |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 164 | if (process(tool, event, &synth_sample, machine) != 0) { |
| 165 | tgid = -1; |
| 166 | break; |
| 167 | } |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 168 | } |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 169 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 170 | closedir(tasks); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 171 | out: |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 172 | return tgid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 173 | } |
| 174 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 175 | static int perf_event__synthesize_mmap_events(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 176 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 177 | pid_t pid, pid_t tgid, |
| 178 | perf_event__handler_t process, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 179 | struct machine *machine, |
| 180 | bool mmap_data) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 181 | { |
| 182 | char filename[PATH_MAX]; |
| 183 | FILE *fp; |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 184 | int rc = 0; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 185 | |
Dongsheng Yang | 9956346 | 2013-12-20 15:52:57 -0500 | [diff] [blame] | 186 | snprintf(filename, sizeof(filename), "%s/proc/%d/maps", |
| 187 | machine->root_dir, pid); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 188 | |
| 189 | fp = fopen(filename, "r"); |
| 190 | if (fp == NULL) { |
| 191 | /* |
| 192 | * We raced with a task exiting - just return: |
| 193 | */ |
| 194 | pr_debug("couldn't open %s\n", filename); |
| 195 | return -1; |
| 196 | } |
| 197 | |
Stephane Eranian | 3090ffb | 2013-10-17 19:32:15 +0200 | [diff] [blame] | 198 | event->header.type = PERF_RECORD_MMAP; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 199 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 200 | while (1) { |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 201 | char bf[BUFSIZ]; |
| 202 | char prot[5]; |
| 203 | char execname[PATH_MAX]; |
| 204 | char anonstr[] = "//anon"; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 205 | size_t size; |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 206 | ssize_t n; |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 207 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 208 | if (fgets(bf, sizeof(bf), fp) == NULL) |
| 209 | break; |
| 210 | |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 211 | /* ensure null termination since stack will be reused. */ |
| 212 | strcpy(execname, ""); |
| 213 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 214 | /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ |
Stephane Eranian | 3090ffb | 2013-10-17 19:32:15 +0200 | [diff] [blame] | 215 | n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %*x:%*x %*u %s\n", |
| 216 | &event->mmap.start, &event->mmap.len, prot, |
| 217 | &event->mmap.pgoff, |
| 218 | execname); |
Don Zickus | 9d4ecc8 | 2013-11-13 15:32:06 -0300 | [diff] [blame] | 219 | /* |
| 220 | * Anon maps don't have the execname. |
| 221 | */ |
| 222 | if (n < 4) |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 223 | continue; |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 224 | /* |
| 225 | * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c |
| 226 | */ |
Dongsheng Yang | 73547aa | 2013-12-20 15:52:58 -0500 | [diff] [blame] | 227 | if (machine__is_host(machine)) |
| 228 | event->header.misc = PERF_RECORD_MISC_USER; |
| 229 | else |
| 230 | event->header.misc = PERF_RECORD_MISC_GUEST_USER; |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 231 | |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 232 | if (prot[2] != 'x') { |
| 233 | if (!mmap_data || prot[0] != 'r') |
| 234 | continue; |
| 235 | |
| 236 | event->header.misc |= PERF_RECORD_MISC_MMAP_DATA; |
| 237 | } |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 238 | |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 239 | if (!strcmp(execname, "")) |
| 240 | strcpy(execname, anonstr); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 241 | |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 242 | size = strlen(execname) + 1; |
Stephane Eranian | 3090ffb | 2013-10-17 19:32:15 +0200 | [diff] [blame] | 243 | memcpy(event->mmap.filename, execname, size); |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 244 | size = PERF_ALIGN(size, sizeof(u64)); |
Stephane Eranian | 3090ffb | 2013-10-17 19:32:15 +0200 | [diff] [blame] | 245 | event->mmap.len -= event->mmap.start; |
| 246 | event->mmap.header.size = (sizeof(event->mmap) - |
| 247 | (sizeof(event->mmap.filename) - size)); |
| 248 | memset(event->mmap.filename + size, 0, machine->id_hdr_size); |
| 249 | event->mmap.header.size += machine->id_hdr_size; |
| 250 | event->mmap.pid = tgid; |
| 251 | event->mmap.tid = pid; |
Anton Blanchard | 6a0e55d | 2011-08-30 09:15:06 +1000 | [diff] [blame] | 252 | |
Namhyung Kim | 6064803 | 2012-11-11 23:20:50 +0900 | [diff] [blame] | 253 | if (process(tool, event, &synth_sample, machine) != 0) { |
| 254 | rc = -1; |
| 255 | break; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 256 | } |
| 257 | } |
| 258 | |
| 259 | fclose(fp); |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 260 | return rc; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 261 | } |
| 262 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 263 | int perf_event__synthesize_modules(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 264 | perf_event__handler_t process, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 265 | struct machine *machine) |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 266 | { |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 267 | int rc = 0; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 268 | struct rb_node *nd; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 269 | struct map_groups *kmaps = &machine->kmaps; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 270 | union perf_event *event = zalloc((sizeof(event->mmap) + |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 271 | machine->id_hdr_size)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 272 | if (event == NULL) { |
| 273 | pr_debug("Not enough memory synthesizing mmap event " |
| 274 | "for kernel modules\n"); |
| 275 | return -1; |
| 276 | } |
| 277 | |
| 278 | event->header.type = PERF_RECORD_MMAP; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 279 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 280 | /* |
| 281 | * kernel uses 0 for user space maps, see kernel/perf_event.c |
| 282 | * __perf_event_mmap |
| 283 | */ |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 284 | if (machine__is_host(machine)) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 285 | event->header.misc = PERF_RECORD_MISC_KERNEL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 286 | else |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 287 | event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 288 | |
| 289 | for (nd = rb_first(&kmaps->maps[MAP__FUNCTION]); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 290 | nd; nd = rb_next(nd)) { |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 291 | size_t size; |
| 292 | struct map *pos = rb_entry(nd, struct map, rb_node); |
| 293 | |
| 294 | if (pos->dso->kernel) |
| 295 | continue; |
| 296 | |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 297 | size = PERF_ALIGN(pos->dso->long_name_len + 1, sizeof(u64)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 298 | event->mmap.header.type = PERF_RECORD_MMAP; |
| 299 | event->mmap.header.size = (sizeof(event->mmap) - |
| 300 | (sizeof(event->mmap.filename) - size)); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 301 | memset(event->mmap.filename + size, 0, machine->id_hdr_size); |
| 302 | event->mmap.header.size += machine->id_hdr_size; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 303 | event->mmap.start = pos->start; |
| 304 | event->mmap.len = pos->end - pos->start; |
| 305 | event->mmap.pid = machine->pid; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 306 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 307 | memcpy(event->mmap.filename, pos->dso->long_name, |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 308 | pos->dso->long_name_len + 1); |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 309 | if (process(tool, event, &synth_sample, machine) != 0) { |
| 310 | rc = -1; |
| 311 | break; |
| 312 | } |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 313 | } |
| 314 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 315 | free(event); |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 316 | return rc; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 317 | } |
| 318 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 319 | static int __event__synthesize_thread(union perf_event *comm_event, |
| 320 | union perf_event *mmap_event, |
David Ahern | defd8d3 | 2011-12-22 11:30:01 -0700 | [diff] [blame] | 321 | pid_t pid, int full, |
| 322 | perf_event__handler_t process, |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 323 | struct perf_tool *tool, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 324 | struct machine *machine, bool mmap_data) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 325 | { |
David Ahern | defd8d3 | 2011-12-22 11:30:01 -0700 | [diff] [blame] | 326 | pid_t tgid = perf_event__synthesize_comm(tool, comm_event, pid, full, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 327 | process, machine); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 328 | if (tgid == -1) |
| 329 | return -1; |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 330 | return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 331 | process, machine, mmap_data); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 332 | } |
| 333 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 334 | int perf_event__synthesize_thread_map(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 335 | struct thread_map *threads, |
Arnaldo Carvalho de Melo | 7c940c1 | 2011-02-11 11:45:54 -0200 | [diff] [blame] | 336 | perf_event__handler_t process, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 337 | struct machine *machine, |
| 338 | bool mmap_data) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 339 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 340 | union perf_event *comm_event, *mmap_event; |
David Ahern | defd8d3 | 2011-12-22 11:30:01 -0700 | [diff] [blame] | 341 | int err = -1, thread, j; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 342 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 343 | comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 344 | if (comm_event == NULL) |
| 345 | goto out; |
| 346 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 347 | mmap_event = malloc(sizeof(mmap_event->mmap) + machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 348 | if (mmap_event == NULL) |
| 349 | goto out_free_comm; |
| 350 | |
Arnaldo Carvalho de Melo | 401b8e1 | 2011-02-10 12:52:47 -0200 | [diff] [blame] | 351 | err = 0; |
| 352 | for (thread = 0; thread < threads->nr; ++thread) { |
| 353 | if (__event__synthesize_thread(comm_event, mmap_event, |
David Ahern | defd8d3 | 2011-12-22 11:30:01 -0700 | [diff] [blame] | 354 | threads->map[thread], 0, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 355 | process, tool, machine, |
| 356 | mmap_data)) { |
Arnaldo Carvalho de Melo | 401b8e1 | 2011-02-10 12:52:47 -0200 | [diff] [blame] | 357 | err = -1; |
| 358 | break; |
| 359 | } |
David Ahern | defd8d3 | 2011-12-22 11:30:01 -0700 | [diff] [blame] | 360 | |
| 361 | /* |
| 362 | * comm.pid is set to thread group id by |
| 363 | * perf_event__synthesize_comm |
| 364 | */ |
| 365 | if ((int) comm_event->comm.pid != threads->map[thread]) { |
| 366 | bool need_leader = true; |
| 367 | |
| 368 | /* is thread group leader in thread_map? */ |
| 369 | for (j = 0; j < threads->nr; ++j) { |
| 370 | if ((int) comm_event->comm.pid == threads->map[j]) { |
| 371 | need_leader = false; |
| 372 | break; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | /* if not, generate events for it */ |
| 377 | if (need_leader && |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 378 | __event__synthesize_thread(comm_event, mmap_event, |
| 379 | comm_event->comm.pid, 0, |
| 380 | process, tool, machine, |
| 381 | mmap_data)) { |
David Ahern | defd8d3 | 2011-12-22 11:30:01 -0700 | [diff] [blame] | 382 | err = -1; |
| 383 | break; |
| 384 | } |
| 385 | } |
Arnaldo Carvalho de Melo | 401b8e1 | 2011-02-10 12:52:47 -0200 | [diff] [blame] | 386 | } |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 387 | free(mmap_event); |
| 388 | out_free_comm: |
| 389 | free(comm_event); |
| 390 | out: |
| 391 | return err; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 392 | } |
| 393 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 394 | int perf_event__synthesize_threads(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 395 | perf_event__handler_t process, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 396 | struct machine *machine, bool mmap_data) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 397 | { |
| 398 | DIR *proc; |
Dongsheng Yang | 9956346 | 2013-12-20 15:52:57 -0500 | [diff] [blame] | 399 | char proc_path[PATH_MAX]; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 400 | struct dirent dirent, *next; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 401 | union perf_event *comm_event, *mmap_event; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 402 | int err = -1; |
| 403 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 404 | comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 405 | if (comm_event == NULL) |
| 406 | goto out; |
| 407 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 408 | mmap_event = malloc(sizeof(mmap_event->mmap) + machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 409 | if (mmap_event == NULL) |
| 410 | goto out_free_comm; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 411 | |
Dongsheng Yang | 9956346 | 2013-12-20 15:52:57 -0500 | [diff] [blame] | 412 | snprintf(proc_path, sizeof(proc_path), "%s/proc", machine->root_dir); |
| 413 | proc = opendir(proc_path); |
| 414 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 415 | if (proc == NULL) |
| 416 | goto out_free_mmap; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 417 | |
| 418 | while (!readdir_r(proc, &dirent, &next) && next) { |
| 419 | char *end; |
| 420 | pid_t pid = strtol(dirent.d_name, &end, 10); |
| 421 | |
| 422 | if (*end) /* only interested in proper numerical dirents */ |
| 423 | continue; |
Arnaldo Carvalho de Melo | ba361c9 | 2012-10-17 18:50:13 -0300 | [diff] [blame] | 424 | /* |
| 425 | * We may race with exiting thread, so don't stop just because |
| 426 | * one thread couldn't be synthesized. |
| 427 | */ |
| 428 | __event__synthesize_thread(comm_event, mmap_event, pid, 1, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 429 | process, tool, machine, mmap_data); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 430 | } |
| 431 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 432 | err = 0; |
David Ahern | 1e6d532 | 2012-08-26 12:24:42 -0600 | [diff] [blame] | 433 | closedir(proc); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 434 | out_free_mmap: |
| 435 | free(mmap_event); |
| 436 | out_free_comm: |
| 437 | free(comm_event); |
| 438 | out: |
| 439 | return err; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 440 | } |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 441 | |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 442 | struct process_symbol_args { |
| 443 | const char *name; |
| 444 | u64 start; |
| 445 | }; |
| 446 | |
Arnaldo Carvalho de Melo | 3b01a41 | 2010-12-22 01:08:36 -0200 | [diff] [blame] | 447 | static int find_symbol_cb(void *arg, const char *name, char type, |
Cody P Schafer | 8215152 | 2012-08-10 15:22:48 -0700 | [diff] [blame] | 448 | u64 start) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 449 | { |
| 450 | struct process_symbol_args *args = arg; |
| 451 | |
Arnaldo Carvalho de Melo | 881516e | 2010-01-15 18:08:27 -0200 | [diff] [blame] | 452 | /* |
| 453 | * Must be a function or at least an alias, as in PARISC64, where "_text" is |
| 454 | * an 'A' to the same address as "_stext". |
| 455 | */ |
| 456 | if (!(symbol_type__is_a(type, MAP__FUNCTION) || |
| 457 | type == 'A') || strcmp(name, args->name)) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 458 | return 0; |
| 459 | |
| 460 | args->start = start; |
| 461 | return 1; |
| 462 | } |
| 463 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 464 | int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 465 | perf_event__handler_t process, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 466 | struct machine *machine, |
| 467 | const char *symbol_name) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 468 | { |
| 469 | size_t size; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 470 | const char *filename, *mmap_name; |
| 471 | char path[PATH_MAX]; |
| 472 | char name_buff[PATH_MAX]; |
| 473 | struct map *map; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 474 | int err; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 475 | /* |
| 476 | * We should get this from /sys/kernel/sections/.text, but till that is |
| 477 | * available use this, and after it is use this as a fallback for older |
| 478 | * kernels. |
| 479 | */ |
| 480 | struct process_symbol_args args = { .name = symbol_name, }; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 481 | union perf_event *event = zalloc((sizeof(event->mmap) + |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 482 | machine->id_hdr_size)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 483 | if (event == NULL) { |
| 484 | pr_debug("Not enough memory synthesizing mmap event " |
| 485 | "for kernel modules\n"); |
| 486 | return -1; |
| 487 | } |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 488 | |
Arnaldo Carvalho de Melo | 48ea8f5 | 2010-04-27 21:19:05 -0300 | [diff] [blame] | 489 | mmap_name = machine__mmap_name(machine, name_buff, sizeof(name_buff)); |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 490 | if (machine__is_host(machine)) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 491 | /* |
| 492 | * kernel uses PERF_RECORD_MISC_USER for user space maps, |
| 493 | * see kernel/perf_event.c __perf_event_mmap |
| 494 | */ |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 495 | event->header.misc = PERF_RECORD_MISC_KERNEL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 496 | filename = "/proc/kallsyms"; |
| 497 | } else { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 498 | event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 499 | if (machine__is_default_guest(machine)) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 500 | filename = (char *) symbol_conf.default_guest_kallsyms; |
| 501 | else { |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 502 | sprintf(path, "%s/proc/kallsyms", machine->root_dir); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 503 | filename = path; |
| 504 | } |
| 505 | } |
| 506 | |
Thomas Jarosch | 0b9e01a | 2013-01-25 11:20:47 +0100 | [diff] [blame] | 507 | if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0) { |
| 508 | free(event); |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 509 | return -ENOENT; |
Thomas Jarosch | 0b9e01a | 2013-01-25 11:20:47 +0100 | [diff] [blame] | 510 | } |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 511 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 512 | map = machine->vmlinux_maps[MAP__FUNCTION]; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 513 | size = snprintf(event->mmap.filename, sizeof(event->mmap.filename), |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 514 | "%s%s", mmap_name, symbol_name) + 1; |
Irina Tirdea | 9ac3e48 | 2012-09-11 01:15:01 +0300 | [diff] [blame] | 515 | size = PERF_ALIGN(size, sizeof(u64)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 516 | event->mmap.header.type = PERF_RECORD_MMAP; |
| 517 | event->mmap.header.size = (sizeof(event->mmap) - |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 518 | (sizeof(event->mmap.filename) - size) + machine->id_hdr_size); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 519 | event->mmap.pgoff = args.start; |
| 520 | event->mmap.start = map->start; |
| 521 | event->mmap.len = map->end - event->mmap.start; |
| 522 | event->mmap.pid = machine->pid; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 523 | |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 524 | err = process(tool, event, &synth_sample, machine); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 525 | free(event); |
| 526 | |
| 527 | return err; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 528 | } |
| 529 | |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 530 | size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp) |
| 531 | { |
| 532 | return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid); |
| 533 | } |
| 534 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 535 | int perf_event__process_comm(struct perf_tool *tool __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 536 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 537 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 538 | struct machine *machine) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 539 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 540 | return machine__process_comm_event(machine, event, sample); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 541 | } |
| 542 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 543 | int perf_event__process_lost(struct perf_tool *tool __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 544 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 545 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 546 | struct machine *machine) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 547 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 548 | return machine__process_lost_event(machine, event, sample); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 549 | } |
| 550 | |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 551 | size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) |
| 552 | { |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 553 | return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %c %s\n", |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 554 | event->mmap.pid, event->mmap.tid, event->mmap.start, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 555 | event->mmap.len, event->mmap.pgoff, |
| 556 | (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) ? 'r' : 'x', |
| 557 | event->mmap.filename); |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 558 | } |
| 559 | |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 560 | size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp) |
| 561 | { |
| 562 | return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 563 | " %02x:%02x %"PRIu64" %"PRIu64"]: %c %s\n", |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 564 | event->mmap2.pid, event->mmap2.tid, event->mmap2.start, |
| 565 | event->mmap2.len, event->mmap2.pgoff, event->mmap2.maj, |
| 566 | event->mmap2.min, event->mmap2.ino, |
| 567 | event->mmap2.ino_generation, |
Arnaldo Carvalho de Melo | 62605dc50 | 2013-11-11 09:44:09 -0300 | [diff] [blame] | 568 | (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) ? 'r' : 'x', |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 569 | event->mmap2.filename); |
| 570 | } |
| 571 | |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 572 | int perf_event__process_mmap(struct perf_tool *tool __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 573 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 574 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 575 | struct machine *machine) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 576 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 577 | return machine__process_mmap_event(machine, event, sample); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 578 | } |
| 579 | |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 580 | int perf_event__process_mmap2(struct perf_tool *tool __maybe_unused, |
| 581 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 582 | struct perf_sample *sample, |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 583 | struct machine *machine) |
| 584 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 585 | return machine__process_mmap2_event(machine, event, sample); |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 586 | } |
| 587 | |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 588 | size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) |
| 589 | { |
| 590 | return fprintf(fp, "(%d:%d):(%d:%d)\n", |
| 591 | event->fork.pid, event->fork.tid, |
| 592 | event->fork.ppid, event->fork.ptid); |
| 593 | } |
| 594 | |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 595 | int perf_event__process_fork(struct perf_tool *tool __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 596 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 597 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 598 | struct machine *machine) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 599 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 600 | return machine__process_fork_event(machine, event, sample); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 601 | } |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 602 | |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 603 | int perf_event__process_exit(struct perf_tool *tool __maybe_unused, |
| 604 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 605 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 606 | struct machine *machine) |
| 607 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 608 | return machine__process_exit_event(machine, event, sample); |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 609 | } |
| 610 | |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 611 | size_t perf_event__fprintf(union perf_event *event, FILE *fp) |
| 612 | { |
| 613 | size_t ret = fprintf(fp, "PERF_RECORD_%s", |
| 614 | perf_event__name(event->header.type)); |
| 615 | |
| 616 | switch (event->header.type) { |
| 617 | case PERF_RECORD_COMM: |
| 618 | ret += perf_event__fprintf_comm(event, fp); |
| 619 | break; |
| 620 | case PERF_RECORD_FORK: |
| 621 | case PERF_RECORD_EXIT: |
| 622 | ret += perf_event__fprintf_task(event, fp); |
| 623 | break; |
| 624 | case PERF_RECORD_MMAP: |
| 625 | ret += perf_event__fprintf_mmap(event, fp); |
| 626 | break; |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 627 | case PERF_RECORD_MMAP2: |
| 628 | ret += perf_event__fprintf_mmap2(event, fp); |
| 629 | break; |
Arnaldo Carvalho de Melo | 482ad89 | 2011-12-02 11:06:37 -0200 | [diff] [blame] | 630 | default: |
| 631 | ret += fprintf(fp, "\n"); |
| 632 | } |
| 633 | |
| 634 | return ret; |
| 635 | } |
| 636 | |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 637 | int perf_event__process(struct perf_tool *tool __maybe_unused, |
| 638 | union perf_event *event, |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 639 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 640 | struct machine *machine) |
Srikar Dronamraju | b83f920 | 2010-08-02 18:08:51 +0530 | [diff] [blame] | 641 | { |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 642 | return machine__process_event(machine, event, sample); |
Srikar Dronamraju | b83f920 | 2010-08-02 18:08:51 +0530 | [diff] [blame] | 643 | } |
| 644 | |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 645 | void thread__find_addr_map(struct thread *thread, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 646 | struct machine *machine, u8 cpumode, |
| 647 | enum map_type type, u64 addr, |
Adrian Hunter | 326f59b | 2013-08-08 14:32:27 +0300 | [diff] [blame] | 648 | struct addr_location *al) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 649 | { |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 650 | struct map_groups *mg = &thread->mg; |
Adrian Hunter | 5b7ba82 | 2013-08-07 14:38:46 +0300 | [diff] [blame] | 651 | bool load_map = false; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 652 | |
Arnaldo Carvalho de Melo | cc22e57 | 2013-12-19 17:20:06 -0300 | [diff] [blame] | 653 | al->machine = machine; |
Arnaldo Carvalho de Melo | 316c713 | 2013-11-05 15:32:36 -0300 | [diff] [blame] | 654 | al->thread = thread; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 655 | al->addr = addr; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 656 | al->cpumode = cpumode; |
| 657 | al->filtered = false; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 658 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 659 | if (machine == NULL) { |
| 660 | al->map = NULL; |
| 661 | return; |
| 662 | } |
| 663 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 664 | if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 665 | al->level = 'k'; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 666 | mg = &machine->kmaps; |
Adrian Hunter | 5b7ba82 | 2013-08-07 14:38:46 +0300 | [diff] [blame] | 667 | load_map = true; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 668 | } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 669 | al->level = '.'; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 670 | } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { |
| 671 | al->level = 'g'; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 672 | mg = &machine->kmaps; |
Adrian Hunter | 5b7ba82 | 2013-08-07 14:38:46 +0300 | [diff] [blame] | 673 | load_map = true; |
Dongsheng Yang | fb50bb4 | 2013-12-20 15:52:56 -0500 | [diff] [blame] | 674 | } else if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) { |
| 675 | al->level = 'u'; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 676 | } else { |
Dongsheng Yang | fb50bb4 | 2013-12-20 15:52:56 -0500 | [diff] [blame] | 677 | al->level = 'H'; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 678 | al->map = NULL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 679 | |
| 680 | if ((cpumode == PERF_RECORD_MISC_GUEST_USER || |
| 681 | cpumode == PERF_RECORD_MISC_GUEST_KERNEL) && |
| 682 | !perf_guest) |
| 683 | al->filtered = true; |
| 684 | if ((cpumode == PERF_RECORD_MISC_USER || |
| 685 | cpumode == PERF_RECORD_MISC_KERNEL) && |
| 686 | !perf_host) |
| 687 | al->filtered = true; |
| 688 | |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 689 | return; |
| 690 | } |
| 691 | try_again: |
Arnaldo Carvalho de Melo | 9958e1f | 2009-12-11 14:50:36 -0200 | [diff] [blame] | 692 | al->map = map_groups__find(mg, type, al->addr); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 693 | if (al->map == NULL) { |
| 694 | /* |
| 695 | * If this is outside of all known maps, and is a negative |
| 696 | * address, try to look it up in the kernel dso, as it might be |
| 697 | * a vsyscall or vdso (which executes in user-mode). |
| 698 | * |
| 699 | * XXX This is nasty, we should have a symbol list in the |
| 700 | * "[vdso]" dso, but for now lets use the old trick of looking |
| 701 | * in the whole kernel symbol list. |
| 702 | */ |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 703 | if ((long long)al->addr < 0 && |
Andrew Lutomirski | 6c6804fb | 2011-03-24 00:36:56 -0400 | [diff] [blame] | 704 | cpumode == PERF_RECORD_MISC_USER && |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 705 | machine && mg != &machine->kmaps) { |
| 706 | mg = &machine->kmaps; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 707 | goto try_again; |
| 708 | } |
Adrian Hunter | 5b7ba82 | 2013-08-07 14:38:46 +0300 | [diff] [blame] | 709 | } else { |
| 710 | /* |
| 711 | * Kernel maps might be changed when loading symbols so loading |
| 712 | * must be done prior to using kernel maps. |
| 713 | */ |
| 714 | if (load_map) |
Adrian Hunter | 326f59b | 2013-08-08 14:32:27 +0300 | [diff] [blame] | 715 | map__load(al->map, machine->symbol_filter); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 716 | al->addr = al->map->map_ip(al->map, al->addr); |
Adrian Hunter | 5b7ba82 | 2013-08-07 14:38:46 +0300 | [diff] [blame] | 717 | } |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 718 | } |
| 719 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 720 | void thread__find_addr_location(struct thread *thread, struct machine *machine, |
| 721 | u8 cpumode, enum map_type type, u64 addr, |
Adrian Hunter | 61710bd | 2013-08-08 14:32:26 +0300 | [diff] [blame] | 722 | struct addr_location *al) |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 723 | { |
Adrian Hunter | 326f59b | 2013-08-08 14:32:27 +0300 | [diff] [blame] | 724 | thread__find_addr_map(thread, machine, cpumode, type, addr, al); |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 725 | if (al->map != NULL) |
Adrian Hunter | 61710bd | 2013-08-08 14:32:26 +0300 | [diff] [blame] | 726 | al->sym = map__find_symbol(al->map, al->addr, |
| 727 | machine->symbol_filter); |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 728 | else |
| 729 | al->sym = NULL; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 730 | } |
| 731 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 732 | int perf_event__preprocess_sample(const union perf_event *event, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 733 | struct machine *machine, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 734 | struct addr_location *al, |
Adrian Hunter | e44baa3 | 2013-08-08 14:32:25 +0300 | [diff] [blame] | 735 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 736 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 737 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 738 | struct thread *thread = machine__findnew_thread(machine, sample->pid, |
| 739 | sample->pid); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 740 | |
| 741 | if (thread == NULL) |
| 742 | return -1; |
| 743 | |
David Ahern | 1f3878c | 2013-11-18 13:32:47 -0700 | [diff] [blame] | 744 | if (thread__is_filtered(thread)) |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 745 | goto out_filtered; |
| 746 | |
Frederic Weisbecker | b9c5143 | 2013-09-11 14:46:56 +0200 | [diff] [blame] | 747 | dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread->tid); |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 748 | /* |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 749 | * Have we already created the kernel maps for this machine? |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 750 | * |
| 751 | * This should have happened earlier, when we processed the kernel MMAP |
| 752 | * events, but for older perf.data files there was no such thing, so do |
| 753 | * it now. |
| 754 | */ |
| 755 | if (cpumode == PERF_RECORD_MISC_KERNEL && |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 756 | machine->vmlinux_maps[MAP__FUNCTION] == NULL) |
| 757 | machine__create_kernel_maps(machine); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 758 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 759 | thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 760 | sample->ip, al); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 761 | dump_printf(" ...... dso: %s\n", |
| 762 | al->map ? al->map->dso->long_name : |
| 763 | al->level == 'H' ? "[hypervisor]" : "<not found>"); |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 764 | al->sym = NULL; |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 765 | al->cpu = sample->cpu; |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 766 | |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 767 | if (al->map) { |
Namhyung Kim | cb8f4e9 | 2011-12-13 00:16:55 +0900 | [diff] [blame] | 768 | struct dso *dso = al->map->dso; |
| 769 | |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 770 | if (symbol_conf.dso_list && |
Namhyung Kim | cb8f4e9 | 2011-12-13 00:16:55 +0900 | [diff] [blame] | 771 | (!dso || !(strlist__has_entry(symbol_conf.dso_list, |
| 772 | dso->short_name) || |
| 773 | (dso->short_name != dso->long_name && |
| 774 | strlist__has_entry(symbol_conf.dso_list, |
| 775 | dso->long_name))))) |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 776 | goto out_filtered; |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 777 | |
Adrian Hunter | e44baa3 | 2013-08-08 14:32:25 +0300 | [diff] [blame] | 778 | al->sym = map__find_symbol(al->map, al->addr, |
| 779 | machine->symbol_filter); |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 780 | } |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 781 | |
Feng Tang | 1500b93 | 2012-09-07 16:42:23 +0800 | [diff] [blame] | 782 | if (symbol_conf.sym_list && |
| 783 | (!al->sym || !strlist__has_entry(symbol_conf.sym_list, |
| 784 | al->sym->name))) |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 785 | goto out_filtered; |
| 786 | |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 787 | return 0; |
| 788 | |
| 789 | out_filtered: |
| 790 | al->filtered = true; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 791 | return 0; |
| 792 | } |