Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1 | /* |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 2 | * builtin-top.c |
| 3 | * |
| 4 | * Builtin top command: Display a continuously updated profile of |
| 5 | * any workload, CPU or specific PID. |
| 6 | * |
| 7 | * Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 8 | * 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 9 | * |
| 10 | * Improvements and fixes by: |
| 11 | * |
| 12 | * Arjan van de Ven <arjan@linux.intel.com> |
| 13 | * Yanmin Zhang <yanmin.zhang@intel.com> |
| 14 | * Wu Fengguang <fengguang.wu@intel.com> |
| 15 | * Mike Galbraith <efault@gmx.de> |
| 16 | * Paul Mackerras <paulus@samba.org> |
| 17 | * |
| 18 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 19 | */ |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 20 | #include "builtin.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 21 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 22 | #include "perf.h" |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 23 | |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 24 | #include "util/annotate.h" |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 25 | #include "util/cache.h" |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 26 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 27 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 28 | #include "util/evsel.h" |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 29 | #include "util/machine.h" |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 30 | #include "util/session.h" |
| 31 | #include "util/symbol.h" |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 32 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 33 | #include "util/thread_map.h" |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 34 | #include "util/top.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 35 | #include "util/util.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 36 | #include <linux/rbtree.h> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 37 | #include "util/parse-options.h" |
| 38 | #include "util/parse-events.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 39 | #include "util/cpumap.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 40 | #include "util/xyarray.h" |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 41 | #include "util/sort.h" |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 42 | #include "util/intlist.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 43 | |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 44 | #include "util/debug.h" |
| 45 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 46 | #include <assert.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 47 | #include <elf.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 48 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 49 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 50 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 51 | #include <termios.h> |
| 52 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 53 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 54 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 55 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 56 | #include <time.h> |
| 57 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 58 | |
| 59 | #include <sys/syscall.h> |
| 60 | #include <sys/ioctl.h> |
| 61 | #include <sys/poll.h> |
| 62 | #include <sys/prctl.h> |
| 63 | #include <sys/wait.h> |
| 64 | #include <sys/uio.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 65 | #include <sys/utsname.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 66 | #include <sys/mman.h> |
| 67 | |
| 68 | #include <linux/unistd.h> |
| 69 | #include <linux/types.h> |
| 70 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 71 | static volatile int done; |
| 72 | |
Namhyung Kim | 933cbb1 | 2013-05-14 11:08:59 +0900 | [diff] [blame] | 73 | #define HEADER_LINE_NR 5 |
| 74 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 75 | static void perf_top__update_print_entries(struct perf_top *top) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 76 | { |
Namhyung Kim | 933cbb1 | 2013-05-14 11:08:59 +0900 | [diff] [blame] | 77 | top->print_entries = top->winsize.ws_row - HEADER_LINE_NR; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 78 | } |
| 79 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 80 | static void perf_top__sig_winch(int sig __maybe_unused, |
| 81 | siginfo_t *info __maybe_unused, void *arg) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 82 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 83 | struct perf_top *top = arg; |
| 84 | |
| 85 | get_term_dimensions(&top->winsize); |
| 86 | perf_top__update_print_entries(top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 87 | } |
| 88 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 89 | static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 90 | { |
| 91 | struct symbol *sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 92 | struct annotation *notes; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 93 | struct map *map; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 94 | int err = -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 95 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 96 | if (!he || !he->ms.sym) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 97 | return -1; |
| 98 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 99 | sym = he->ms.sym; |
| 100 | map = he->ms.map; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 101 | |
| 102 | /* |
| 103 | * We can't annotate with just /proc/kallsyms |
| 104 | */ |
Jiri Olsa | 44f24cb | 2012-07-22 14:14:32 +0200 | [diff] [blame] | 105 | if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 106 | pr_err("Can't annotate %s: No vmlinux file was found in the " |
| 107 | "path\n", sym->name); |
| 108 | sleep(1); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 109 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 110 | } |
| 111 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 112 | notes = symbol__annotation(sym); |
| 113 | if (notes->src != NULL) { |
| 114 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 115 | goto out_assign; |
| 116 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 117 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 118 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 119 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 120 | if (symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 121 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 122 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 123 | sym->name); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 124 | sleep(1); |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 125 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 126 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 127 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 128 | err = symbol__annotate(sym, map, 0); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 129 | if (err == 0) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 130 | out_assign: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 131 | top->sym_filter_entry = he; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 132 | } |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 133 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 134 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 135 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 136 | } |
| 137 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 138 | static void __zero_source_counters(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 139 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 140 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 141 | symbol__annotate_zero_histograms(sym); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 142 | } |
| 143 | |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 144 | static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) |
| 145 | { |
| 146 | struct utsname uts; |
| 147 | int err = uname(&uts); |
| 148 | |
| 149 | ui__warning("Out of bounds address found:\n\n" |
| 150 | "Addr: %" PRIx64 "\n" |
| 151 | "DSO: %s %c\n" |
| 152 | "Map: %" PRIx64 "-%" PRIx64 "\n" |
| 153 | "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" |
| 154 | "Arch: %s\n" |
| 155 | "Kernel: %s\n" |
| 156 | "Tools: %s\n\n" |
| 157 | "Not all samples will be on the annotation output.\n\n" |
| 158 | "Please report to linux-kernel@vger.kernel.org\n", |
| 159 | ip, map->dso->long_name, dso__symtab_origin(map->dso), |
| 160 | map->start, map->end, sym->start, sym->end, |
| 161 | sym->binding == STB_GLOBAL ? 'g' : |
| 162 | sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, |
| 163 | err ? "[unknown]" : uts.machine, |
| 164 | err ? "[unknown]" : uts.release, perf_version_string); |
| 165 | if (use_browser <= 0) |
| 166 | sleep(5); |
| 167 | |
| 168 | map->erange_warned = true; |
| 169 | } |
| 170 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 171 | static void perf_top__record_precise_ip(struct perf_top *top, |
| 172 | struct hist_entry *he, |
| 173 | int counter, u64 ip) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 174 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 175 | struct annotation *notes; |
| 176 | struct symbol *sym; |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 177 | int err; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 178 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 179 | if (he == NULL || he->ms.sym == NULL || |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 180 | ((top->sym_filter_entry == NULL || |
| 181 | top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 182 | return; |
| 183 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 184 | sym = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 185 | notes = symbol__annotation(sym); |
| 186 | |
| 187 | if (pthread_mutex_trylock(¬es->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 188 | return; |
| 189 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 190 | if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 191 | pthread_mutex_unlock(¬es->lock); |
| 192 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 193 | sym->name); |
| 194 | sleep(1); |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | ip = he->ms.map->map_ip(he->ms.map, ip); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 199 | err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 200 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 201 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 202 | |
| 203 | if (err == -ERANGE && !he->ms.map->erange_warned) |
| 204 | ui__warn_map_erange(he->ms.map, sym, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 205 | } |
| 206 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 207 | static void perf_top__show_details(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 208 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 209 | struct hist_entry *he = top->sym_filter_entry; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 210 | struct annotation *notes; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 211 | struct symbol *symbol; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 212 | int more; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 213 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 214 | if (!he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 215 | return; |
| 216 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 217 | symbol = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 218 | notes = symbol__annotation(symbol); |
| 219 | |
| 220 | pthread_mutex_lock(¬es->lock); |
| 221 | |
| 222 | if (notes->src == NULL) |
| 223 | goto out_unlock; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 224 | |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 225 | printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 226 | printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 227 | |
Namhyung Kim | db8fd07 | 2013-03-05 14:53:21 +0900 | [diff] [blame] | 228 | more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 229 | 0, top->sym_pcnt_filter, top->print_entries, 4); |
| 230 | if (top->zero) |
| 231 | symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 232 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 233 | symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 234 | if (more != 0) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 235 | printf("%d lines not displayed, maybe increase display entries [e]\n", more); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 236 | out_unlock: |
| 237 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 238 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 239 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 240 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 241 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 242 | static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
| 243 | struct addr_location *al, |
| 244 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 245 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 246 | struct hist_entry *he; |
| 247 | |
Andi Kleen | 0548429 | 2013-01-24 16:10:29 +0100 | [diff] [blame] | 248 | he = __hists__add_entry(&evsel->hists, al, NULL, sample->period, |
| 249 | sample->weight); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 250 | if (he == NULL) |
| 251 | return NULL; |
| 252 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 253 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| 254 | return he; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 255 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 256 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 257 | static void perf_top__print_sym_table(struct perf_top *top) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 258 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 259 | char bf[160]; |
| 260 | int printed = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 261 | const int win_width = top->winsize.ws_col - 1; |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 262 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 263 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 264 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 265 | perf_top__header_snprintf(top, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 266 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 267 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 268 | perf_top__reset_sample_counters(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 269 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 270 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 271 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 272 | if (top->sym_evsel->hists.stats.nr_lost_warned != |
| 273 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { |
| 274 | top->sym_evsel->hists.stats.nr_lost_warned = |
| 275 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 276 | color_fprintf(stdout, PERF_COLOR_RED, |
| 277 | "WARNING: LOST %d chunks, Check IO/CPU overload", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 278 | top->sym_evsel->hists.stats.nr_lost_warned); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 279 | ++printed; |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 280 | } |
| 281 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 282 | if (top->sym_filter_entry) { |
| 283 | perf_top__show_details(top); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 284 | return; |
| 285 | } |
| 286 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 287 | hists__collapse_resort_threaded(&top->sym_evsel->hists); |
| 288 | hists__output_resort_threaded(&top->sym_evsel->hists); |
| 289 | hists__decay_entries_threaded(&top->sym_evsel->hists, |
| 290 | top->hide_user_symbols, |
| 291 | top->hide_kernel_symbols); |
| 292 | hists__output_recalc_col_len(&top->sym_evsel->hists, |
Namhyung Kim | 933cbb1 | 2013-05-14 11:08:59 +0900 | [diff] [blame] | 293 | top->print_entries - printed); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 294 | putchar('\n'); |
Jiri Olsa | 41724e4 | 2012-10-04 21:49:38 +0900 | [diff] [blame] | 295 | hists__fprintf(&top->sym_evsel->hists, false, |
Namhyung Kim | 933cbb1 | 2013-05-14 11:08:59 +0900 | [diff] [blame] | 296 | top->print_entries - printed, win_width, stdout); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 297 | } |
| 298 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 299 | static void prompt_integer(int *target, const char *msg) |
| 300 | { |
| 301 | char *buf = malloc(0), *p; |
| 302 | size_t dummy = 0; |
| 303 | int tmp; |
| 304 | |
| 305 | fprintf(stdout, "\n%s: ", msg); |
| 306 | if (getline(&buf, &dummy, stdin) < 0) |
| 307 | return; |
| 308 | |
| 309 | p = strchr(buf, '\n'); |
| 310 | if (p) |
| 311 | *p = 0; |
| 312 | |
| 313 | p = buf; |
| 314 | while(*p) { |
| 315 | if (!isdigit(*p)) |
| 316 | goto out_free; |
| 317 | p++; |
| 318 | } |
| 319 | tmp = strtoul(buf, NULL, 10); |
| 320 | *target = tmp; |
| 321 | out_free: |
| 322 | free(buf); |
| 323 | } |
| 324 | |
| 325 | static void prompt_percent(int *target, const char *msg) |
| 326 | { |
| 327 | int tmp = 0; |
| 328 | |
| 329 | prompt_integer(&tmp, msg); |
| 330 | if (tmp >= 0 && tmp <= 100) |
| 331 | *target = tmp; |
| 332 | } |
| 333 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 334 | static void perf_top__prompt_symbol(struct perf_top *top, const char *msg) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 335 | { |
| 336 | char *buf = malloc(0), *p; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 337 | struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 338 | struct rb_node *next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 339 | size_t dummy = 0; |
| 340 | |
| 341 | /* zero counters of active symbol */ |
| 342 | if (syme) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 343 | __zero_source_counters(syme); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 344 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | fprintf(stdout, "\n%s: ", msg); |
| 348 | if (getline(&buf, &dummy, stdin) < 0) |
| 349 | goto out_free; |
| 350 | |
| 351 | p = strchr(buf, '\n'); |
| 352 | if (p) |
| 353 | *p = 0; |
| 354 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 355 | next = rb_first(&top->sym_evsel->hists.entries); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 356 | while (next) { |
| 357 | n = rb_entry(next, struct hist_entry, rb_node); |
| 358 | if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { |
| 359 | found = n; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 360 | break; |
| 361 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 362 | next = rb_next(&n->rb_node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 366 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 367 | sleep(1); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 368 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 369 | perf_top__parse_source(top, found); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 370 | |
| 371 | out_free: |
| 372 | free(buf); |
| 373 | } |
| 374 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 375 | static void perf_top__print_mapped_keys(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 376 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 377 | char *name = NULL; |
| 378 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 379 | if (top->sym_filter_entry) { |
| 380 | struct symbol *sym = top->sym_filter_entry->ms.sym; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 381 | name = sym->name; |
| 382 | } |
| 383 | |
| 384 | fprintf(stdout, "\nMapped keys:\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 385 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); |
| 386 | fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 387 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 388 | if (top->evlist->nr_entries > 1) |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 389 | fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel)); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 390 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 391 | fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 392 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 393 | fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter); |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 394 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 395 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 396 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 397 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 398 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 399 | top->hide_kernel_symbols ? "yes" : "no"); |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 400 | fprintf(stdout, |
| 401 | "\t[U] hide user symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 402 | top->hide_user_symbols ? "yes" : "no"); |
| 403 | fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 404 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 405 | } |
| 406 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 407 | static int perf_top__key_mapped(struct perf_top *top, int c) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 408 | { |
| 409 | switch (c) { |
| 410 | case 'd': |
| 411 | case 'e': |
| 412 | case 'f': |
| 413 | case 'z': |
| 414 | case 'q': |
| 415 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 416 | case 'K': |
| 417 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 418 | case 'F': |
| 419 | case 's': |
| 420 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 421 | return 1; |
| 422 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 423 | return top->evlist->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 424 | default: |
| 425 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 429 | } |
| 430 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 431 | static bool perf_top__handle_keypress(struct perf_top *top, int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 432 | { |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 433 | bool ret = true; |
| 434 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 435 | if (!perf_top__key_mapped(top, c)) { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 436 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 437 | struct termios tc, save; |
| 438 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 439 | perf_top__print_mapped_keys(top); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 440 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 441 | fflush(stdout); |
| 442 | |
| 443 | tcgetattr(0, &save); |
| 444 | tc = save; |
| 445 | tc.c_lflag &= ~(ICANON | ECHO); |
| 446 | tc.c_cc[VMIN] = 0; |
| 447 | tc.c_cc[VTIME] = 0; |
| 448 | tcsetattr(0, TCSANOW, &tc); |
| 449 | |
| 450 | poll(&stdin_poll, 1, -1); |
| 451 | c = getc(stdin); |
| 452 | |
| 453 | tcsetattr(0, TCSAFLUSH, &save); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 454 | if (!perf_top__key_mapped(top, c)) |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 455 | return ret; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 456 | } |
| 457 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 458 | switch (c) { |
| 459 | case 'd': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 460 | prompt_integer(&top->delay_secs, "Enter display delay"); |
| 461 | if (top->delay_secs < 1) |
| 462 | top->delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 463 | break; |
| 464 | case 'e': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 465 | prompt_integer(&top->print_entries, "Enter display entries (lines)"); |
| 466 | if (top->print_entries == 0) { |
| 467 | struct sigaction act = { |
| 468 | .sa_sigaction = perf_top__sig_winch, |
| 469 | .sa_flags = SA_SIGINFO, |
| 470 | }; |
| 471 | perf_top__sig_winch(SIGWINCH, NULL, top); |
| 472 | sigaction(SIGWINCH, &act, NULL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 473 | } else { |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 474 | signal(SIGWINCH, SIG_DFL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 475 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 476 | break; |
| 477 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 478 | if (top->evlist->nr_entries > 1) { |
Akihiro Nagai | ce2d17c | 2011-03-23 16:29:39 +0900 | [diff] [blame] | 479 | /* Select 0 as the default event: */ |
| 480 | int counter = 0; |
| 481 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 482 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 483 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 484 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 485 | fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 486 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 487 | prompt_integer(&counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 488 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 489 | if (counter >= top->evlist->nr_entries) { |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 490 | top->sym_evsel = perf_evlist__first(top->evlist); |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 491 | fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 492 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 493 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 494 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 495 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
| 496 | if (top->sym_evsel->idx == counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 497 | break; |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 498 | } else |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 499 | top->sym_evsel = perf_evlist__first(top->evlist); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 500 | break; |
| 501 | case 'f': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 502 | prompt_integer(&top->count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 503 | break; |
| 504 | case 'F': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 505 | prompt_percent(&top->sym_pcnt_filter, |
| 506 | "Enter details display event filter (percent)"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 507 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 508 | case 'K': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 509 | top->hide_kernel_symbols = !top->hide_kernel_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 510 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 511 | case 'q': |
| 512 | case 'Q': |
| 513 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 514 | if (top->dump_symtab) |
| 515 | perf_session__fprintf_dsos(top->session, stderr); |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 516 | ret = false; |
| 517 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 518 | case 's': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 519 | perf_top__prompt_symbol(top, "Enter details symbol"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 520 | break; |
| 521 | case 'S': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 522 | if (!top->sym_filter_entry) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 523 | break; |
| 524 | else { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 525 | struct hist_entry *syme = top->sym_filter_entry; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 526 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 527 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 528 | __zero_source_counters(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 529 | } |
| 530 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 531 | case 'U': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 532 | top->hide_user_symbols = !top->hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 533 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 534 | case 'z': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 535 | top->zero = !top->zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 536 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 537 | default: |
| 538 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 539 | } |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 540 | |
| 541 | return ret; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 542 | } |
| 543 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 544 | static void perf_top__sort_new_samples(void *arg) |
| 545 | { |
| 546 | struct perf_top *t = arg; |
| 547 | perf_top__reset_sample_counters(t); |
| 548 | |
| 549 | if (t->evlist->selected != NULL) |
| 550 | t->sym_evsel = t->evlist->selected; |
| 551 | |
| 552 | hists__collapse_resort_threaded(&t->sym_evsel->hists); |
| 553 | hists__output_resort_threaded(&t->sym_evsel->hists); |
Arnaldo Carvalho de Melo | b079d4e | 2011-10-17 09:05:04 -0200 | [diff] [blame] | 554 | hists__decay_entries_threaded(&t->sym_evsel->hists, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 555 | t->hide_user_symbols, |
| 556 | t->hide_kernel_symbols); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 557 | } |
| 558 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 559 | static void *display_thread_tui(void *arg) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 560 | { |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 561 | struct perf_evsel *pos; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 562 | struct perf_top *top = arg; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 563 | const char *help = "For a higher level overview, try: perf top --sort comm,dso"; |
Namhyung Kim | 9783adf | 2012-11-02 14:50:05 +0900 | [diff] [blame] | 564 | struct hist_browser_timer hbt = { |
| 565 | .timer = perf_top__sort_new_samples, |
| 566 | .arg = top, |
| 567 | .refresh = top->delay_secs, |
| 568 | }; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 569 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 570 | perf_top__sort_new_samples(top); |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 571 | |
| 572 | /* |
| 573 | * Initialize the uid_filter_str, in the future the TUI will allow |
| 574 | * Zooming in/out UIDs. For now juse use whatever the user passed |
| 575 | * via --uid. |
| 576 | */ |
| 577 | list_for_each_entry(pos, &top->evlist->entries, node) |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 578 | pos->hists.uid_filter_str = top->record_opts.target.uid_str; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 579 | |
Namhyung Kim | 68d8075 | 2012-11-02 14:50:06 +0900 | [diff] [blame] | 580 | perf_evlist__tui_browse_hists(top->evlist, help, &hbt, |
| 581 | &top->session->header.env); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 582 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 583 | done = 1; |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 584 | return NULL; |
| 585 | } |
| 586 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 587 | static void *display_thread(void *arg) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 588 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 589 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 590 | struct termios tc, save; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 591 | struct perf_top *top = arg; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 592 | int delay_msecs, c; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 593 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 594 | tcgetattr(0, &save); |
| 595 | tc = save; |
| 596 | tc.c_lflag &= ~(ICANON | ECHO); |
| 597 | tc.c_cc[VMIN] = 0; |
| 598 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 599 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 600 | pthread__unblock_sigwinch(); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 601 | repeat: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 602 | delay_msecs = top->delay_secs * 1000; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 603 | tcsetattr(0, TCSANOW, &tc); |
| 604 | /* trash return*/ |
| 605 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 606 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 607 | while (!done) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 608 | perf_top__print_sym_table(top); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 609 | /* |
| 610 | * Either timeout expired or we got an EINTR due to SIGWINCH, |
| 611 | * refresh screen in both cases. |
| 612 | */ |
| 613 | switch (poll(&stdin_poll, 1, delay_msecs)) { |
| 614 | case 0: |
| 615 | continue; |
| 616 | case -1: |
| 617 | if (errno == EINTR) |
| 618 | continue; |
| 619 | /* Fall trhu */ |
| 620 | default: |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 621 | c = getc(stdin); |
| 622 | tcsetattr(0, TCSAFLUSH, &save); |
| 623 | |
| 624 | if (perf_top__handle_keypress(top, c)) |
| 625 | goto repeat; |
| 626 | done = 1; |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 627 | } |
| 628 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 629 | |
| 630 | return NULL; |
| 631 | } |
| 632 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 633 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 634 | static const char *skip_symbols[] = { |
Arnaldo Carvalho de Melo | 4bea8b5 | 2012-04-02 11:16:24 -0300 | [diff] [blame] | 635 | "intel_idle", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 636 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 637 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 638 | "cpu_idle", |
| 639 | "enter_idle", |
| 640 | "exit_idle", |
| 641 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 642 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 643 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 644 | "ppc64_runlatch_off", |
| 645 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 646 | NULL |
| 647 | }; |
| 648 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 649 | static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 650 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 651 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 652 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 653 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 654 | /* |
| 655 | * ppc64 uses function descriptors and appends a '.' to the |
| 656 | * start of every instruction address. Remove it. |
| 657 | */ |
| 658 | if (name[0] == '.') |
| 659 | name++; |
| 660 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 661 | if (!strcmp(name, "_text") || |
| 662 | !strcmp(name, "_etext") || |
| 663 | !strcmp(name, "_sinittext") || |
| 664 | !strncmp("init_module", name, 11) || |
| 665 | !strncmp("cleanup_module", name, 14) || |
| 666 | strstr(name, "_text_start") || |
| 667 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 668 | return 1; |
| 669 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 670 | for (i = 0; skip_symbols[i]; i++) { |
| 671 | if (!strcmp(skip_symbols[i], name)) { |
Arnaldo Carvalho de Melo | 171b3be | 2011-03-11 13:36:01 -0300 | [diff] [blame] | 672 | sym->ignore = true; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 673 | break; |
| 674 | } |
| 675 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 676 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 677 | return 0; |
| 678 | } |
| 679 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 680 | static void perf_event__process_sample(struct perf_tool *tool, |
| 681 | const union perf_event *event, |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 682 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 683 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 684 | struct machine *machine) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 685 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 686 | struct perf_top *top = container_of(tool, struct perf_top, tool); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 687 | struct symbol *parent = NULL; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 688 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 689 | struct addr_location al; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 690 | int err; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 691 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 692 | if (!machine && perf_guest) { |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 693 | static struct intlist *seen; |
| 694 | |
| 695 | if (!seen) |
Arnaldo Carvalho de Melo | ffe0fb7 | 2013-01-24 16:17:27 -0300 | [diff] [blame] | 696 | seen = intlist__new(NULL); |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 697 | |
| 698 | if (!intlist__has_entry(seen, event->ip.pid)) { |
| 699 | pr_err("Can't find guest [%d]'s kernel information\n", |
| 700 | event->ip.pid); |
| 701 | intlist__add(seen, event->ip.pid); |
| 702 | } |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 703 | return; |
| 704 | } |
| 705 | |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 706 | if (!machine) { |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 707 | pr_err("%u unprocessable samples recorded.\r", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 708 | top->session->stats.nr_unprocessable_samples++); |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 709 | return; |
| 710 | } |
| 711 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 712 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 713 | top->exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 714 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 715 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 716 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 717 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 718 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 719 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 720 | if (!top->kptr_restrict_warned && |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 721 | symbol_conf.kptr_restrict && |
| 722 | al.cpumode == PERF_RECORD_MISC_KERNEL) { |
| 723 | ui__warning( |
| 724 | "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" |
| 725 | "Check /proc/sys/kernel/kptr_restrict.\n\n" |
| 726 | "Kernel%s samples will not be resolved.\n", |
| 727 | !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? |
| 728 | " modules" : ""); |
| 729 | if (use_browser <= 0) |
| 730 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 731 | top->kptr_restrict_warned = true; |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 732 | } |
| 733 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 734 | if (al.sym == NULL) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 735 | const char *msg = "Kernel samples will not be resolved.\n"; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 736 | /* |
| 737 | * As we do lazy loading of symtabs we only will know if the |
| 738 | * specified vmlinux file is invalid when we actually have a |
| 739 | * hit in kernel space and then try to load it. So if we get |
| 740 | * here and there are _no_ symbols in the DSO backing the |
| 741 | * kernel map, bail out. |
| 742 | * |
| 743 | * We may never get here, for instance, if we use -K/ |
| 744 | * --hide-kernel-symbols, even if the user specifies an |
| 745 | * invalid --vmlinux ;-) |
| 746 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 747 | if (!top->kptr_restrict_warned && !top->vmlinux_warned && |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 748 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 749 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 750 | if (symbol_conf.vmlinux_name) { |
| 751 | ui__warning("The %s file can't be used.\n%s", |
| 752 | symbol_conf.vmlinux_name, msg); |
| 753 | } else { |
| 754 | ui__warning("A vmlinux file was not found.\n%s", |
| 755 | msg); |
| 756 | } |
| 757 | |
| 758 | if (use_browser <= 0) |
| 759 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 760 | top->vmlinux_warned = true; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 761 | } |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 762 | } |
| 763 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 764 | if (al.sym == NULL || !al.sym->ignore) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 765 | struct hist_entry *he; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 766 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 767 | if ((sort__has_parent || symbol_conf.use_callchain) && |
| 768 | sample->callchain) { |
Jiri Olsa | 71ad0f5 | 2012-08-07 15:20:46 +0200 | [diff] [blame] | 769 | err = machine__resolve_callchain(machine, evsel, |
| 770 | al.thread, sample, |
| 771 | &parent); |
| 772 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 773 | if (err) |
| 774 | return; |
| 775 | } |
| 776 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 777 | he = perf_evsel__add_hist_entry(evsel, &al, sample); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 778 | if (he == NULL) { |
| 779 | pr_err("Problem incrementing symbol period, skipping event\n"); |
| 780 | return; |
Arnaldo Carvalho de Melo | 5807806 | 2011-03-01 10:43:03 -0300 | [diff] [blame] | 781 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 782 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 783 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 784 | err = callchain_append(he->callchain, &callchain_cursor, |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 785 | sample->period); |
| 786 | if (err) |
| 787 | return; |
| 788 | } |
| 789 | |
Namhyung Kim | 8f0f684 | 2013-04-05 10:26:37 +0900 | [diff] [blame] | 790 | if (sort__has_sym) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 791 | perf_top__record_precise_ip(top, he, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 792 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 793 | |
| 794 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 795 | } |
| 796 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 797 | static void perf_top__mmap_read_idx(struct perf_top *top, int idx) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 798 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 799 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 800 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 801 | struct perf_session *session = top->session; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 802 | union perf_event *event; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 803 | struct machine *machine; |
| 804 | u8 origin; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 805 | int ret; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 806 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 807 | while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 808 | ret = perf_evlist__parse_sample(top->evlist, event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 809 | if (ret) { |
| 810 | pr_err("Can't parse sample, err = %d\n", ret); |
| 811 | continue; |
| 812 | } |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 813 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 814 | evsel = perf_evlist__id2evsel(session->evlist, sample.id); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 815 | assert(evsel != NULL); |
| 816 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 817 | origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| 818 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 819 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 820 | ++top->samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 821 | |
| 822 | switch (origin) { |
| 823 | case PERF_RECORD_MISC_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 824 | ++top->us_samples; |
| 825 | if (top->hide_user_symbols) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 826 | continue; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 827 | machine = &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 828 | break; |
| 829 | case PERF_RECORD_MISC_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 830 | ++top->kernel_samples; |
| 831 | if (top->hide_kernel_symbols) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 832 | continue; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 833 | machine = &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 834 | break; |
| 835 | case PERF_RECORD_MISC_GUEST_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 836 | ++top->guest_kernel_samples; |
| 837 | machine = perf_session__find_machine(session, event->ip.pid); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 838 | break; |
| 839 | case PERF_RECORD_MISC_GUEST_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 840 | ++top->guest_us_samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 841 | /* |
| 842 | * TODO: we don't process guest user from host side |
| 843 | * except simple counting. |
| 844 | */ |
| 845 | /* Fall thru */ |
| 846 | default: |
| 847 | continue; |
| 848 | } |
| 849 | |
| 850 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 851 | if (event->header.type == PERF_RECORD_SAMPLE) { |
| 852 | perf_event__process_sample(&top->tool, event, evsel, |
| 853 | &sample, machine); |
| 854 | } else if (event->header.type < PERF_RECORD_MAX) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 855 | hists__inc_nr_events(&evsel->hists, event->header.type); |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 856 | machine__process_event(machine, event); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 857 | } else |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 858 | ++session->stats.nr_unknown_events; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 859 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 860 | } |
| 861 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 862 | static void perf_top__mmap_read(struct perf_top *top) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 863 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 864 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 865 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 866 | for (i = 0; i < top->evlist->nr_mmaps; i++) |
| 867 | perf_top__mmap_read_idx(top, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 868 | } |
| 869 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 870 | static int perf_top__start_counters(struct perf_top *top) |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 871 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 872 | char msg[512]; |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 873 | struct perf_evsel *counter; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 874 | struct perf_evlist *evlist = top->evlist; |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 875 | struct perf_record_opts *opts = &top->record_opts; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 876 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 877 | perf_evlist__config(evlist, opts); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 878 | |
| 879 | list_for_each_entry(counter, &evlist->entries, node) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 880 | try_again: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 881 | if (perf_evsel__open(counter, top->evlist->cpus, |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 882 | top->evlist->threads) < 0) { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 883 | if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 884 | if (verbose) |
Arnaldo Carvalho de Melo | c0a5434 | 2012-12-13 14:16:30 -0300 | [diff] [blame] | 885 | ui__warning("%s\n", msg); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 886 | goto try_again; |
| 887 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 888 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 889 | perf_evsel__open_strerror(counter, &opts->target, |
| 890 | errno, msg, sizeof(msg)); |
| 891 | ui__error("%s\n", msg); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 892 | goto out_err; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 893 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 894 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 895 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 896 | if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 897 | ui__error("Failed to mmap with %d (%s)\n", |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 898 | errno, strerror(errno)); |
| 899 | goto out_err; |
| 900 | } |
| 901 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 902 | return 0; |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 903 | |
| 904 | out_err: |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 905 | return -1; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 906 | } |
| 907 | |
Namhyung Kim | 8f0f684 | 2013-04-05 10:26:37 +0900 | [diff] [blame] | 908 | static int perf_top__setup_sample_type(struct perf_top *top __maybe_unused) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 909 | { |
Namhyung Kim | 8f0f684 | 2013-04-05 10:26:37 +0900 | [diff] [blame] | 910 | if (!sort__has_sym) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 911 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 912 | ui__error("Selected -g but \"sym\" not present in --sort/-s."); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 913 | return -EINVAL; |
| 914 | } |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 915 | } else if (callchain_param.mode != CHAIN_NONE) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 916 | if (callchain_register_param(&callchain_param) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 917 | ui__error("Can't register callchain params.\n"); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 918 | return -EINVAL; |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | return 0; |
| 923 | } |
| 924 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 925 | static int __cmd_top(struct perf_top *top) |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 926 | { |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 927 | struct perf_record_opts *opts = &top->record_opts; |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 928 | pthread_t thread; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 929 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 930 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 931 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 932 | * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 933 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 934 | top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
| 935 | if (top->session == NULL) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 936 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 937 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 938 | ret = perf_top__setup_sample_type(top); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 939 | if (ret) |
| 940 | goto out_delete; |
| 941 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 942 | if (perf_target__has_task(&opts->target)) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 943 | perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 944 | perf_event__process, |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 945 | &top->session->machines.host); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 946 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 947 | perf_event__synthesize_threads(&top->tool, perf_event__process, |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 948 | &top->session->machines.host); |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 949 | |
| 950 | ret = perf_top__start_counters(top); |
| 951 | if (ret) |
| 952 | goto out_delete; |
| 953 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 954 | top->session->evlist = top->evlist; |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 955 | perf_session__set_id_hdr_size(top->session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 956 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 957 | /* |
| 958 | * When perf is starting the traced process, all the events (apart from |
| 959 | * group members) have enable_on_exec=1 set, so don't spoil it by |
| 960 | * prematurely enabling them. |
| 961 | * |
| 962 | * XXX 'top' still doesn't start workloads like record, trace, but should, |
| 963 | * so leave the check here. |
| 964 | */ |
| 965 | if (!perf_target__none(&opts->target)) |
| 966 | perf_evlist__enable(top->evlist); |
| 967 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 968 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 969 | poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 970 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 971 | perf_top__mmap_read(top); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 972 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 973 | ret = -1; |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 974 | if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 975 | display_thread), top)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 976 | ui__error("Could not create display thread.\n"); |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 977 | goto out_delete; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 978 | } |
| 979 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 980 | if (top->realtime_prio) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 981 | struct sched_param param; |
| 982 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 983 | param.sched_priority = top->realtime_prio; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 984 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 985 | ui__error("Could not set realtime priority.\n"); |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 986 | goto out_delete; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 987 | } |
| 988 | } |
| 989 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 990 | while (!done) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 991 | u64 hits = top->samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 992 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 993 | perf_top__mmap_read(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 994 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 995 | if (hits == top->samples) |
| 996 | ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 997 | } |
| 998 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 999 | ret = 0; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1000 | out_delete: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1001 | perf_session__delete(top->session); |
| 1002 | top->session = NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1003 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 1004 | return ret; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1005 | } |
| 1006 | |
| 1007 | static int |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1008 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1009 | { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1010 | /* |
| 1011 | * --no-call-graph |
| 1012 | */ |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1013 | if (unset) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1014 | return 0; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1015 | |
| 1016 | symbol_conf.use_callchain = true; |
| 1017 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1018 | return record_parse_callchain_opt(opt, arg, unset); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1019 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1020 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1021 | int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1022 | { |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1023 | int status; |
| 1024 | char errbuf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1025 | struct perf_top top = { |
| 1026 | .count_filter = 5, |
| 1027 | .delay_secs = 2, |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1028 | .record_opts = { |
| 1029 | .mmap_pages = UINT_MAX, |
| 1030 | .user_freq = UINT_MAX, |
| 1031 | .user_interval = ULLONG_MAX, |
| 1032 | .freq = 4000, /* 4 KHz */ |
| 1033 | .target = { |
| 1034 | .uses_mmap = true, |
| 1035 | }, |
Namhyung Kim | d1cb9fc | 2012-05-16 18:45:49 +0900 | [diff] [blame] | 1036 | }, |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1037 | .sym_pcnt_filter = 5, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1038 | }; |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1039 | struct perf_record_opts *opts = &top.record_opts; |
| 1040 | struct perf_target *target = &opts->target; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1041 | const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1042 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1043 | "event selector. use 'perf list' to list available events", |
Jiri Olsa | f120f9d | 2011-07-14 11:25:32 +0200 | [diff] [blame] | 1044 | parse_events_option), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1045 | OPT_U64('c', "count", &opts->user_interval, "event period to sample"), |
| 1046 | OPT_STRING('p', "pid", &target->pid, "pid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1047 | "profile events on existing process id"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1048 | OPT_STRING('t', "tid", &target->tid, "tid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1049 | "profile events on existing thread id"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1050 | OPT_BOOLEAN('a', "all-cpus", &target->system_wide, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1051 | "system-wide collection from all CPUs"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1052 | OPT_STRING('C', "cpu", &target->cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1053 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1054 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1055 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1056 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1057 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1058 | OPT_UINTEGER('m', "mmap-pages", &opts->mmap_pages, |
| 1059 | "number of mmap data pages"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1060 | OPT_INTEGER('r', "realtime", &top.realtime_prio, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1061 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1062 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1063 | "number of seconds to delay between refreshes"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1064 | OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1065 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1066 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1067 | "only display functions with more events than this"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1068 | OPT_BOOLEAN('g', "group", &opts->group, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1069 | "put the counters into a counter group"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1070 | OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit, |
| 1071 | "child tasks do not inherit counters"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1072 | OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1073 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1074 | OPT_BOOLEAN('z', "zero", &top.zero, "zero history across updates"), |
| 1075 | OPT_UINTEGER('F', "freq", &opts->user_freq, "profile at this frequency"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1076 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1077 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1078 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1079 | "hide user symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1080 | OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), |
| 1081 | OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1082 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1083 | "be more verbose (show counter open errors, etc)"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1084 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
Andi Kleen | 0548429 | 2013-01-24 16:10:29 +0100 | [diff] [blame] | 1085 | "sort by key(s): pid, comm, dso, symbol, parent, weight, local_weight"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1086 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
| 1087 | "Show a column with the number of samples"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1088 | OPT_CALLBACK_DEFAULT('G', "call-graph", &top.record_opts, |
| 1089 | "mode[,dump_size]", record_callchain_help, |
| 1090 | &parse_callchain_opt, "fp"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1091 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
| 1092 | "Show a column with the sum of periods"), |
| 1093 | OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 1094 | "only consider symbols in these dsos"), |
| 1095 | OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1096 | "only consider symbols in these comms"), |
| 1097 | OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1098 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1099 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
| 1100 | "Interleave source code with assembly code (default)"), |
| 1101 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, |
| 1102 | "Display raw encoding of assembly instructions (default)"), |
| 1103 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
| 1104 | "Specify disassembler style (e.g. -M intel for intel syntax)"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1105 | OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1106 | OPT_END() |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1107 | }; |
Arnaldo Carvalho de Melo | be77284 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1108 | const char * const top_usage[] = { |
| 1109 | "perf top [<options>]", |
| 1110 | NULL |
| 1111 | }; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1112 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 1113 | top.evlist = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1114 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1115 | return -ENOMEM; |
| 1116 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1117 | symbol_conf.exclude_other = false; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1118 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1119 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1120 | if (argc) |
| 1121 | usage_with_options(top_usage, options); |
| 1122 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1123 | if (sort_order == default_sort_order) |
| 1124 | sort_order = "dso,symbol"; |
| 1125 | |
Namhyung Kim | 5530998 | 2013-02-06 14:57:16 +0900 | [diff] [blame] | 1126 | if (setup_sorting() < 0) |
| 1127 | usage_with_options(top_usage, options); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1128 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1129 | if (top.use_stdio) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1130 | use_browser = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1131 | else if (top.use_tui) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1132 | use_browser = 1; |
| 1133 | |
| 1134 | setup_browser(false); |
| 1135 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1136 | status = perf_target__validate(target); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1137 | if (status) { |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1138 | perf_target__strerror(target, status, errbuf, BUFSIZ); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1139 | ui__warning("%s", errbuf); |
| 1140 | } |
Namhyung Kim | 4bd0f2d | 2012-04-26 14:15:18 +0900 | [diff] [blame] | 1141 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1142 | status = perf_target__parse_uid(target); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1143 | if (status) { |
| 1144 | int saved_errno = errno; |
| 1145 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1146 | perf_target__strerror(target, status, errbuf, BUFSIZ); |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1147 | ui__error("%s", errbuf); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1148 | |
| 1149 | status = -saved_errno; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1150 | goto out_delete_evlist; |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1151 | } |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1152 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1153 | if (perf_target__none(target)) |
| 1154 | target->system_wide = true; |
Arnaldo Carvalho de Melo | 10b47d5 | 2012-05-07 16:33:56 -0300 | [diff] [blame] | 1155 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1156 | if (perf_evlist__create_maps(top.evlist, target) < 0) |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1157 | usage_with_options(top_usage, options); |
| 1158 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1159 | if (!top.evlist->nr_entries && |
| 1160 | perf_evlist__add_default(top.evlist) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1161 | ui__error("Not enough memory for event selector list\n"); |
Arnaldo Carvalho de Melo | 0de233b | 2013-01-30 14:01:20 -0300 | [diff] [blame] | 1162 | goto out_delete_maps; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1163 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1164 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 1165 | symbol_conf.nr_events = top.evlist->nr_entries; |
| 1166 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1167 | if (top.delay_secs < 1) |
| 1168 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1169 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1170 | if (opts->user_interval != ULLONG_MAX) |
| 1171 | opts->default_interval = opts->user_interval; |
| 1172 | if (opts->user_freq != UINT_MAX) |
| 1173 | opts->freq = opts->user_freq; |
| 1174 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1175 | /* |
| 1176 | * User specified count overrides default frequency. |
| 1177 | */ |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1178 | if (opts->default_interval) |
| 1179 | opts->freq = 0; |
| 1180 | else if (opts->freq) { |
| 1181 | opts->default_interval = opts->freq; |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1182 | } else { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1183 | ui__error("frequency and count are zero, aborting\n"); |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1184 | status = -EINVAL; |
Arnaldo Carvalho de Melo | 0de233b | 2013-01-30 14:01:20 -0300 | [diff] [blame] | 1185 | goto out_delete_maps; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1186 | } |
| 1187 | |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 1188 | top.sym_evsel = perf_evlist__first(top.evlist); |
Arnaldo Carvalho de Melo | cc84158 | 2011-01-11 15:16:52 -0200 | [diff] [blame] | 1189 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1190 | symbol_conf.priv_size = sizeof(struct annotation); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1191 | |
| 1192 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1193 | if (symbol__init() < 0) |
| 1194 | return -1; |
| 1195 | |
Namhyung Kim | 08e7154 | 2013-04-03 21:26:19 +0900 | [diff] [blame] | 1196 | sort__setup_elide(stdout); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1197 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1198 | get_term_dimensions(&top.winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1199 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1200 | struct sigaction act = { |
| 1201 | .sa_sigaction = perf_top__sig_winch, |
| 1202 | .sa_flags = SA_SIGINFO, |
| 1203 | }; |
| 1204 | perf_top__update_print_entries(&top); |
| 1205 | sigaction(SIGWINCH, &act, NULL); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1206 | } |
| 1207 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1208 | status = __cmd_top(&top); |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1209 | |
Arnaldo Carvalho de Melo | 0de233b | 2013-01-30 14:01:20 -0300 | [diff] [blame] | 1210 | out_delete_maps: |
| 1211 | perf_evlist__delete_maps(top.evlist); |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1212 | out_delete_evlist: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1213 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1214 | |
| 1215 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1216 | } |