blob: 25d34d483e494b23d6c13acd46df579d067f0509 [file] [log] [blame]
Ingo Molnarbf9e1872009-06-02 23:37:05 +02001/*
2 * builtin-report.c
3 *
4 * Builtin report command: Analyze the perf.data input file,
5 * look up and read DSOs and symbol information and display
6 * a histogram of results, along various sorting keys.
7 */
Ingo Molnar16f762a2009-05-27 09:10:38 +02008#include "builtin.h"
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02009
Ingo Molnarbf9e1872009-06-02 23:37:05 +020010#include "util/util.h"
11
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -020012#include "util/annotate.h"
Ingo Molnar8fc03212009-06-04 15:19:47 +020013#include "util/color.h"
Arnaldo Carvalho de Melo5da50252009-07-01 14:46:08 -030014#include <linux/list.h>
Ingo Molnara930d2c2009-05-27 09:50:13 +020015#include "util/cache.h"
Arnaldo Carvalho de Melo43cbcd82009-07-01 12:28:37 -030016#include <linux/rbtree.h>
Arnaldo Carvalho de Meloa2928c42009-05-28 14:55:04 -030017#include "util/symbol.h"
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +020018#include "util/callchain.h"
Arnaldo Carvalho de Melo25903402009-06-30 19:01:20 -030019#include "util/strlist.h"
Brice Goglin8d513272009-08-07 13:55:24 +020020#include "util/values.h"
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030021
Ingo Molnar53cb8bc2009-05-26 09:17:18 +020022#include "perf.h"
Frederic Weisbecker8f28827a2009-08-16 22:05:48 +020023#include "util/debug.h"
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030024#include "util/evlist.h"
25#include "util/evsel.h"
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020026#include "util/header.h"
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020027#include "util/session.h"
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -020028#include "util/tool.h"
Ingo Molnar53cb8bc2009-05-26 09:17:18 +020029
30#include "util/parse-options.h"
31#include "util/parse-events.h"
32
Frederic Weisbecker6baa0a52009-08-14 12:21:53 +020033#include "util/thread.h"
John Kacurdd68ada2009-09-24 18:02:49 +020034#include "util/sort.h"
John Kacur3d1d07e2009-09-28 15:32:55 +020035#include "util/hist.h"
Frederic Weisbecker6baa0a52009-08-14 12:21:53 +020036
Anton Blanchard5d67be92011-07-04 21:57:50 +100037#include <linux/bitmap.h>
38
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -020039struct perf_report {
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -020040 struct perf_tool tool;
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -020041 struct perf_session *session;
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -020042 char const *input_name;
43 bool force, use_tui, use_stdio;
44 bool hide_unresolved;
45 bool dont_use_callchains;
46 bool show_full_info;
47 bool show_threads;
48 bool inverted_callchain;
49 struct perf_read_values show_threads_values;
50 const char *pretty_printing_style;
51 symbol_filter_t annotate_init;
52 const char *cpu_list;
53 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -020054};
Anton Blanchard5d67be92011-07-04 21:57:50 +100055
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -020056static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
57 struct addr_location *al,
58 struct perf_sample *sample,
59 struct machine *machine)
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -030060{
Arnaldo Carvalho de Melob3c9ac02010-03-24 16:40:18 -030061 struct symbol *parent = NULL;
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +010062 int err = 0;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +020063 struct hist_entry *he;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -030064
Arnaldo Carvalho de Melo8d50e5b2011-01-29 13:02:00 -020065 if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -020066 err = machine__resolve_callchain(machine, evsel, al->thread,
67 sample->callchain, &parent);
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +010068 if (err)
69 return err;
Arnaldo Carvalho de Meload5b2172010-04-02 10:04:18 -030070 }
Eric B Munsoncbbc79a52010-03-05 12:51:09 -030071
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030072 he = __hists__add_entry(&evsel->hists, al, parent, sample->period);
Arnaldo Carvalho de Melo9735abf2009-10-03 10:42:45 -030073 if (he == NULL)
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +010074 return -ENOMEM;
75
Arnaldo Carvalho de Meloef7b93a2010-05-11 23:18:06 -030076 if (symbol_conf.use_callchain) {
Arnaldo Carvalho de Melo246d4ce2011-11-11 23:10:26 -020077 err = callchain_append(he->callchain,
78 &evsel->hists.callchain_cursor,
Arnaldo Carvalho de Melo8d50e5b2011-01-29 13:02:00 -020079 sample->period);
Arnaldo Carvalho de Meloef7b93a2010-05-11 23:18:06 -030080 if (err)
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +010081 return err;
Arnaldo Carvalho de Meloef7b93a2010-05-11 23:18:06 -030082 }
83 /*
84 * Only in the newt browser we are doing integrated annotation,
85 * so we don't allocated the extra space needed because the stdio
86 * code will not use it.
87 */
Arnaldo Carvalho de Melo2f525d02011-02-04 13:43:24 -020088 if (al->sym != NULL && use_browser > 0) {
Arnaldo Carvalho de Melo2f525d02011-02-04 13:43:24 -020089 struct annotation *notes = symbol__annotation(he->ms.sym);
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030090
91 assert(evsel != NULL);
92
93 err = -ENOMEM;
Arnaldo Carvalho de Melod04b35f2011-11-11 22:17:32 -020094 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -030095 goto out;
96
97 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
Arnaldo Carvalho de Melo2f525d02011-02-04 13:43:24 -020098 }
Frederic Weisbecker1b3a0e92011-01-14 04:51:58 +010099
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300100 evsel->hists.stats.total_period += sample->period;
101 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
102out:
Arnaldo Carvalho de Melo39d1e1b2010-05-09 12:01:05 -0300103 return err;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -0300104}
105
Eric B Munsoncbbc79a52010-03-05 12:51:09 -0300106
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200107static int process_sample_event(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200108 union perf_event *event,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200109 struct perf_sample *sample,
Arnaldo Carvalho de Melo9e69c212011-03-15 15:44:01 -0300110 struct perf_evsel *evsel,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200111 struct machine *machine)
Ingo Molnar75051722009-06-03 23:14:49 +0200112{
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200113 struct perf_report *rep = container_of(tool, struct perf_report, tool);
Arnaldo Carvalho de Melo1ed091c2009-11-27 16:29:23 -0200114 struct addr_location al;
OGAWA Hirofumi180f95e2009-12-06 20:08:24 +0900115
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200116 if (perf_event__preprocess_sample(event, machine, &al, sample,
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200117 rep->annotate_init) < 0) {
Arnaldo Carvalho de Meloc410a332009-12-15 20:04:41 -0200118 fprintf(stderr, "problem processing %d event, skipping it.\n",
Ingo Molnar75051722009-06-03 23:14:49 +0200119 event->header.type);
120 return -1;
121 }
122
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200123 if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
Arnaldo Carvalho de Meloec218fc2009-10-03 20:30:48 -0300124 return 0;
Arnaldo Carvalho de Melo7bec7a92009-06-30 19:01:22 -0300125
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200126 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
Anton Blanchard5d67be92011-07-04 21:57:50 +1000127 return 0;
128
Arnaldo Carvalho de Meloec80fde2011-05-26 09:53:51 -0300129 if (al.map != NULL)
130 al.map->dso->hit = 1;
131
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200132 if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
Arnaldo Carvalho de Meloc82ee822010-05-14 14:19:35 -0300133 pr_debug("problem incrementing symbol period, skipping event\n");
Arnaldo Carvalho de Meloec218fc2009-10-03 20:30:48 -0300134 return -1;
Ingo Molnar75051722009-06-03 23:14:49 +0200135 }
Arnaldo Carvalho de Meloec218fc2009-10-03 20:30:48 -0300136
Ingo Molnar75051722009-06-03 23:14:49 +0200137 return 0;
138}
139
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200140static int process_read_event(struct perf_tool *tool,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200141 union perf_event *event,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200142 struct perf_sample *sample __used,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200143 struct perf_evsel *evsel,
144 struct machine *machine __used)
Peter Zijlstrae9ea2fd2009-06-24 22:46:04 +0200145{
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200146 struct perf_report *rep = container_of(tool, struct perf_report, tool);
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200147
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200148 if (rep->show_threads) {
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300149 const char *name = evsel ? event_name(evsel) : "unknown";
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200150 perf_read_values_add_value(&rep->show_threads_values,
Brice Goglin8d513272009-08-07 13:55:24 +0200151 event->read.pid, event->read.tid,
152 event->read.id,
153 name,
154 event->read.value);
155 }
156
Arnaldo Carvalho de Melo9486aa32011-01-22 20:37:02 -0200157 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300158 evsel ? event_name(evsel) : "FAIL",
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -0200159 event->read.value);
Peter Zijlstrae9ea2fd2009-06-24 22:46:04 +0200160
161 return 0;
162}
163
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200164static int perf_report__setup_sample_type(struct perf_report *rep)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300165{
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200166 struct perf_session *self = rep->session;
167
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -0200168 if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200169 if (sort__has_parent) {
Arnaldo Carvalho de Melo00894ce2011-08-03 12:33:24 -0300170 ui__warning("Selected --sort parent, but no "
171 "callchain data. Did you call "
172 "'perf record' without -g?\n");
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -0200173 return -EINVAL;
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200174 }
Arnaldo Carvalho de Melod599db32009-12-15 20:04:42 -0200175 if (symbol_conf.use_callchain) {
Arnaldo Carvalho de Melo00894ce2011-08-03 12:33:24 -0300176 ui__warning("Selected -g but no callchain data. Did "
177 "you call 'perf record' without -g?\n");
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200178 return -1;
179 }
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200180 } else if (!rep->dont_use_callchains &&
181 callchain_param.mode != CHAIN_NONE &&
Arnaldo Carvalho de Melob9a63b92010-01-05 11:54:45 -0200182 !symbol_conf.use_callchain) {
Arnaldo Carvalho de Melod599db32009-12-15 20:04:42 -0200183 symbol_conf.use_callchain = true;
Frederic Weisbecker16537f12011-01-14 04:52:00 +0100184 if (callchain_register_param(&callchain_param) < 0) {
Arnaldo Carvalho de Melo00894ce2011-08-03 12:33:24 -0300185 ui__warning("Can't register callchain "
186 "params.\n");
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -0200187 return -EINVAL;
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200188 }
Ingo Molnard80d3382009-06-03 23:14:49 +0200189 }
190
191 return 0;
192}
193
Tom Zanussi46656ac2010-04-01 23:59:17 -0500194extern volatile int session_done;
195
Arnaldo Carvalho de Meloc82ee822010-05-14 14:19:35 -0300196static void sig_handler(int sig __used)
Tom Zanussi46656ac2010-04-01 23:59:17 -0500197{
198 session_done = 1;
199}
200
Arnaldo Carvalho de Meloc82ee822010-05-14 14:19:35 -0300201static size_t hists__fprintf_nr_sample_events(struct hists *self,
202 const char *evname, FILE *fp)
203{
204 size_t ret;
205 char unit;
206 unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
207
208 nr_events = convert_unit(nr_events, &unit);
209 ret = fprintf(fp, "# Events: %lu%c", nr_events, unit);
210 if (evname != NULL)
211 ret += fprintf(fp, " %s", evname);
212 return ret + fprintf(fp, "\n#\n");
213}
214
Arnaldo Carvalho de Melo7f0030b2011-03-06 13:07:30 -0300215static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200216 struct perf_report *rep,
Arnaldo Carvalho de Melo7f0030b2011-03-06 13:07:30 -0300217 const char *help)
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300218{
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300219 struct perf_evsel *pos;
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300220
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300221 list_for_each_entry(pos, &evlist->entries, node) {
222 struct hists *hists = &pos->hists;
Arnaldo Carvalho de Melob53af0f2011-09-21 15:43:04 -0300223 const char *evname = event_name(pos);
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300224
225 hists__fprintf_nr_sample_events(hists, evname, stdout);
Arnaldo Carvalho de Meloef9dfe62011-09-26 12:46:11 -0300226 hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300227 fprintf(stdout, "\n\n");
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300228 }
229
230 if (sort_order == default_sort_order &&
231 parent_pattern == default_parent_pattern) {
232 fprintf(stdout, "#\n# (%s)\n#\n", help);
233
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200234 if (rep->show_threads) {
235 bool style = !strcmp(rep->pretty_printing_style, "raw");
236 perf_read_values_display(stdout, &rep->show_threads_values,
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300237 style);
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200238 perf_read_values_destroy(&rep->show_threads_values);
Arnaldo Carvalho de Melod67f0882010-05-23 22:36:51 -0300239 }
240 }
241
242 return 0;
243}
244
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200245static int __cmd_report(struct perf_report *rep)
Ingo Molnard80d3382009-06-03 23:14:49 +0200246{
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -0200247 int ret = -EINVAL;
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300248 u64 nr_samples;
Arnaldo Carvalho de Melod8f66242009-12-13 19:50:24 -0200249 struct perf_session *session;
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300250 struct perf_evsel *pos;
Arnaldo Carvalho de Meloec80fde2011-05-26 09:53:51 -0300251 struct map *kernel_map;
252 struct kmap *kernel_kmap;
Arnaldo Carvalho de Melof9224c52010-03-11 20:12:44 -0300253 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
Ingo Molnard80d3382009-06-03 23:14:49 +0200254
Tom Zanussi46656ac2010-04-01 23:59:17 -0500255 signal(SIGINT, sig_handler);
256
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200257 session = perf_session__new(rep->input_name, O_RDONLY,
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200258 rep->force, false, &rep->tool);
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200259 if (session == NULL)
260 return -ENOMEM;
261
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200262 rep->session = session;
263
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200264 if (rep->cpu_list) {
265 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
266 rep->cpu_bitmap);
Anton Blanchard5d67be92011-07-04 21:57:50 +1000267 if (ret)
268 goto out_delete;
269 }
270
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200271 if (use_browser <= 0)
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200272 perf_session__fprintf_info(session, stdout, rep->show_full_info);
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200273
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200274 if (rep->show_threads)
275 perf_read_values_init(&rep->show_threads_values);
Brice Goglin8d513272009-08-07 13:55:24 +0200276
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200277 ret = perf_report__setup_sample_type(rep);
Arnaldo Carvalho de Melod549c7692009-12-27 21:37:02 -0200278 if (ret)
279 goto out_delete;
280
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200281 ret = perf_session__process_events(session, &rep->tool);
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200282 if (ret)
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200283 goto out_delete;
Ingo Molnar97b07b62009-05-26 18:48:58 +0200284
Arnaldo Carvalho de Meloec80fde2011-05-26 09:53:51 -0300285 kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION];
286 kernel_kmap = map__kmap(kernel_map);
287 if (kernel_map == NULL ||
288 (kernel_map->dso->hit &&
289 (kernel_kmap->ref_reloc_sym == NULL ||
290 kernel_kmap->ref_reloc_sym->addr == 0))) {
291 const struct dso *kdso = kernel_map->dso;
292
Arnaldo Carvalho de Melo646aaea2011-05-27 11:00:41 -0300293 ui__warning(
294"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
295"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
296"Samples in kernel modules can't be resolved as well.\n\n",
Arnaldo Carvalho de Meloec80fde2011-05-26 09:53:51 -0300297 RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION]) ?
Arnaldo Carvalho de Melo646aaea2011-05-27 11:00:41 -0300298"As no suitable kallsyms nor vmlinux was found, kernel samples\n"
299"can't be resolved." :
300"If some relocation was applied (e.g. kexec) symbols may be misresolved.");
Arnaldo Carvalho de Meloec80fde2011-05-26 09:53:51 -0300301 }
302
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -0200303 if (dump_trace) {
Arnaldo Carvalho de Meloc8446b92010-05-14 10:36:42 -0300304 perf_session__fprintf_nr_events(session, stdout);
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200305 goto out_delete;
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -0200306 }
Ingo Molnar97b07b62009-05-26 18:48:58 +0200307
Arnaldo Carvalho de Meloda21d1b2009-10-07 10:49:00 -0300308 if (verbose > 3)
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -0200309 perf_session__fprintf(session, stdout);
Arnaldo Carvalho de Melo9ac99542009-06-04 13:54:00 -0300310
Arnaldo Carvalho de Meloda21d1b2009-10-07 10:49:00 -0300311 if (verbose > 2)
Arnaldo Carvalho de Melocbf69682010-04-27 21:22:44 -0300312 perf_session__fprintf_dsos(session, stdout);
Ingo Molnar16f762a2009-05-27 09:10:38 +0200313
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300314 nr_samples = 0;
315 list_for_each_entry(pos, &session->evlist->entries, node) {
316 struct hists *hists = &pos->hists;
Arnaldo Carvalho de Melo74cfc172011-02-17 14:40:46 -0200317
Arnaldo Carvalho de Meloe248de32011-03-05 21:40:06 -0300318 hists__collapse_resort(hists);
319 hists__output_resort(hists);
320 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
321 }
322
323 if (nr_samples == 0) {
Robert Richterefad1412011-12-07 10:02:54 +0100324 ui__warning("The %s file has no samples!\n", session->filename);
Arnaldo Carvalho de Melo74cfc172011-02-17 14:40:46 -0200325 goto out_delete;
326 }
327
Arnaldo Carvalho de Melo81cce8d2011-10-05 19:11:32 -0300328 if (use_browser > 0) {
329 perf_evlist__tui_browse_hists(session->evlist, help,
330 NULL, NULL, 0);
331 } else
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200332 perf_evlist__tty_browse_hists(session->evlist, rep, help);
Arnaldo Carvalho de Melo3e6055a2009-12-16 12:27:10 -0200333
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200334out_delete:
Arnaldo Carvalho de Melo71e7cf32010-08-05 19:41:44 -0300335 /*
336 * Speed up the exit process, for large files this can
337 * take quite a while.
338 *
339 * XXX Enable this when using valgrind or if we ever
340 * librarize this command.
341 *
342 * Also experiment with obstacks to see how much speed
343 * up we'll get here.
344 *
345 * perf_session__delete(session);
346 */
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200347 return ret;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300348}
349
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200350static int
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200351parse_callchain_opt(const struct option *opt, const char *arg, int unset)
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200352{
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200353 struct perf_report *rep = (struct perf_report *)opt->value;
Arnaldo Carvalho de Melo232a5c92010-05-09 20:28:10 -0300354 char *tok, *tok2;
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +0200355 char *endptr;
356
Arnaldo Carvalho de Melob9a63b92010-01-05 11:54:45 -0200357 /*
358 * --no-call-graph
359 */
360 if (unset) {
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200361 rep->dont_use_callchains = true;
Arnaldo Carvalho de Melob9a63b92010-01-05 11:54:45 -0200362 return 0;
363 }
364
Arnaldo Carvalho de Melod599db32009-12-15 20:04:42 -0200365 symbol_conf.use_callchain = true;
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200366
367 if (!arg)
368 return 0;
369
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +0200370 tok = strtok((char *)arg, ",");
371 if (!tok)
372 return -1;
373
374 /* get the output mode */
375 if (!strncmp(tok, "graph", strlen(arg)))
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200376 callchain_param.mode = CHAIN_GRAPH_ABS;
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200377
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +0200378 else if (!strncmp(tok, "flat", strlen(arg)))
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200379 callchain_param.mode = CHAIN_FLAT;
380
381 else if (!strncmp(tok, "fractal", strlen(arg)))
382 callchain_param.mode = CHAIN_GRAPH_REL;
383
Frederic Weisbeckerb1a88342009-08-08 02:16:24 +0200384 else if (!strncmp(tok, "none", strlen(arg))) {
385 callchain_param.mode = CHAIN_NONE;
Yong Wangb7ae11b2010-01-22 09:47:50 +0800386 symbol_conf.use_callchain = false;
Frederic Weisbeckerb1a88342009-08-08 02:16:24 +0200387
388 return 0;
389 }
390
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200391 else
392 return -1;
393
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +0200394 /* get the min percentage */
395 tok = strtok(NULL, ",");
396 if (!tok)
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200397 goto setup;
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +0200398
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200399 callchain_param.min_percent = strtod(tok, &endptr);
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +0200400 if (tok == endptr)
401 return -1;
402
Sam Liaod797fdc2011-06-07 23:49:46 +0800403 /* get the print limit */
404 tok2 = strtok(NULL, ",");
405 if (!tok2)
406 goto setup;
407
408 if (tok2[0] != 'c') {
Namhyung Kim6581f6e2011-12-13 00:16:50 +0900409 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
Sam Liaod797fdc2011-06-07 23:49:46 +0800410 tok2 = strtok(NULL, ",");
411 if (!tok2)
412 goto setup;
413 }
414
415 /* get the call chain order */
416 if (!strcmp(tok2, "caller"))
417 callchain_param.order = ORDER_CALLER;
418 else if (!strcmp(tok2, "callee"))
419 callchain_param.order = ORDER_CALLEE;
420 else
421 return -1;
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200422setup:
Frederic Weisbecker16537f12011-01-14 04:52:00 +0100423 if (callchain_register_param(&callchain_param) < 0) {
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200424 fprintf(stderr, "Can't register callchain params\n");
425 return -1;
426 }
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200427 return 0;
428}
429
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200430int cmd_report(int argc, const char **argv, const char *prefix __used)
431{
Robert Richterefad1412011-12-07 10:02:54 +0100432 struct stat st;
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200433 char callchain_default_opt[] = "fractal,0.5,callee";
434 const char * const report_usage[] = {
Namhyung Kimfb2bace2011-12-13 00:16:56 +0900435 "perf report [<options>]",
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200436 NULL
437 };
438 struct perf_report report = {
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -0200439 .tool = {
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200440 .sample = process_sample_event,
441 .mmap = perf_event__process_mmap,
442 .comm = perf_event__process_comm,
443 .exit = perf_event__process_task,
444 .fork = perf_event__process_task,
445 .lost = perf_event__process_lost,
446 .read = process_read_event,
447 .attr = perf_event__process_attr,
448 .event_type = perf_event__process_event_type,
449 .tracing_data = perf_event__process_tracing_data,
450 .build_id = perf_event__process_build_id,
451 .ordered_samples = true,
452 .ordering_requires_timestamps = true,
453 },
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200454 .pretty_printing_style = "normal",
455 };
456 const struct option options[] = {
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200457 OPT_STRING('i', "input", &report.input_name, "file",
Ingo Molnar53cb8bc2009-05-26 09:17:18 +0200458 "input file name"),
Ian Munsiec0555642010-04-13 18:37:33 +1000459 OPT_INCR('v', "verbose", &verbose,
Arnaldo Carvalho de Melo815e7772009-05-26 19:46:14 -0300460 "be more verbose (show symbol address, etc)"),
Ingo Molnar97b07b62009-05-26 18:48:58 +0200461 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
462 "dump raw trace in ASCII"),
Arnaldo Carvalho de Melob32d1332009-11-24 12:05:15 -0200463 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
464 "file", "vmlinux pathname"),
David Ahernb226a5a72010-12-07 19:39:46 -0700465 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
466 "file", "kallsyms pathname"),
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200467 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
Arnaldo Carvalho de Melob32d1332009-11-24 12:05:15 -0200468 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
Mike Galbraith42976482009-07-02 08:09:46 +0200469 "load module symbols - WARNING: use only with -k and LIVE kernel"),
Arnaldo Carvalho de Melod599db32009-12-15 20:04:42 -0200470 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
Arnaldo Carvalho de Meloe3d7e182009-07-11 12:18:37 -0300471 "Show a column with the number of samples"),
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200472 OPT_BOOLEAN('T', "threads", &report.show_threads,
Brice Goglin8d513272009-08-07 13:55:24 +0200473 "Show per-thread event counters"),
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200474 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
Brice Goglin9f866692009-08-10 15:26:32 +0200475 "pretty printing style key: normal raw"),
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200476 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
477 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
478 "Use the stdio interface"),
Ingo Molnar63299f02009-05-28 10:52:00 +0200479 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200480 "sort by key(s): pid, comm, dso, symbol, parent"),
Zhang, Yanmina1645ce2010-04-19 13:32:50 +0800481 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
482 "Show sample percentage for different cpu modes"),
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200483 OPT_STRING('p', "parent", &parent_pattern, "regex",
484 "regex filter to identify parent, see: '--sort parent'"),
Arnaldo Carvalho de Melod599db32009-12-15 20:04:42 -0200485 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
Ingo Molnarb8e6d822009-06-18 14:32:19 +0200486 "Only display entries with parent-match"),
Namhyung Kim6581f6e2011-12-13 00:16:50 +0900487 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
488 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
Sam Liaod797fdc2011-06-07 23:49:46 +0800489 "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200490 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
491 "alias for inverted call graph"),
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200492 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
Arnaldo Carvalho de Melo25903402009-06-30 19:01:20 -0300493 "only consider symbols in these dsos"),
David Ahernc8e66722011-11-13 11:30:08 -0700494 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -0300495 "only consider symbols in these comms"),
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200496 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
Arnaldo Carvalho de Melo7bec7a92009-06-30 19:01:22 -0300497 "only consider these symbols"),
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200498 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300499 "width[,width...]",
500 "don't try to adjust column width, use these fixed values"),
Arnaldo Carvalho de Meloc410a332009-12-15 20:04:41 -0200501 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300502 "separator for columns, no spaces will be added between "
503 "columns '.' is reserved."),
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200504 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
Arnaldo Carvalho de Melo71289be2009-12-28 22:48:34 -0200505 "Only display entries resolved to a symbol"),
David Ahernec5761e2010-12-09 13:27:07 -0700506 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
507 "Look for files with symbols relative to this directory"),
David Ahernc8e66722011-11-13 11:30:08 -0700508 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200509 "list of cpus to profile"),
510 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
Stephane Eranianfbe96f22011-09-30 15:40:40 +0200511 "Display extended information about perf.data file"),
Arnaldo Carvalho de Melo64c6f0c2011-10-06 12:48:31 -0300512 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
513 "Interleave source code with assembly code (default)"),
514 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
515 "Display raw encoding of assembly instructions (default)"),
Andi Kleenf69b64f2011-09-15 14:31:41 -0700516 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
517 "Specify disassembler style (e.g. -M intel for intel syntax)"),
Arnaldo Carvalho de Melo3f2728b2011-10-05 16:10:06 -0300518 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
519 "Show a column with the sum of periods"),
Ingo Molnar53cb8bc2009-05-26 09:17:18 +0200520 OPT_END()
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200521 };
Ingo Molnar53cb8bc2009-05-26 09:17:18 +0200522
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200523 argc = parse_options(argc, argv, options, report_usage, 0);
524
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200525 if (report.use_stdio)
Arnaldo Carvalho de Melo8b9e74e2010-08-21 10:38:16 -0300526 use_browser = 0;
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200527 else if (report.use_tui)
Arnaldo Carvalho de Melo8b9e74e2010-08-21 10:38:16 -0300528 use_browser = 1;
529
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200530 if (report.inverted_callchain)
Sam Liaod797fdc2011-06-07 23:49:46 +0800531 callchain_param.order = ORDER_CALLER;
532
Robert Richterefad1412011-12-07 10:02:54 +0100533 if (!report.input_name || !strlen(report.input_name)) {
534 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
535 report.input_name = "-";
536 else
537 report.input_name = "perf.data";
538 }
539
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200540 if (strcmp(report.input_name, "-") != 0)
Arnaldo Carvalho de Melo229ade92011-01-31 18:08:39 -0200541 setup_browser(true);
Arnaldo Carvalho de Melo8b9e74e2010-08-21 10:38:16 -0300542 else
543 use_browser = 0;
Robert Richterefad1412011-12-07 10:02:54 +0100544
Arnaldo Carvalho de Meloef7b93a2010-05-11 23:18:06 -0300545 /*
546 * Only in the newt browser we are doing integrated annotation,
547 * so don't allocate extra space that won't be used in the stdio
548 * implementation.
549 */
Arnaldo Carvalho de Melo80d50ca2010-08-05 19:28:27 -0300550 if (use_browser > 0) {
Arnaldo Carvalho de Melo78f7def2011-02-04 09:45:46 -0200551 symbol_conf.priv_size = sizeof(struct annotation);
Arnaldo Carvalho de Melofa372aa2011-11-17 12:19:04 -0200552 report.annotate_init = symbol__annotate_init;
Arnaldo Carvalho de Melo80d50ca2010-08-05 19:28:27 -0300553 /*
554 * For searching by name on the "Browse map details".
555 * providing it only in verbose mode not to bloat too
556 * much struct symbol.
557 */
558 if (verbose) {
559 /*
560 * XXX: Need to provide a less kludgy way to ask for
561 * more space per symbol, the u32 is for the index on
562 * the ui browser.
563 * See symbol__browser_index.
564 */
565 symbol_conf.priv_size += sizeof(u32);
566 symbol_conf.sort_by_name = true;
567 }
568 }
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200569
Arnaldo Carvalho de Melo75be6cf2009-12-15 20:04:39 -0200570 if (symbol__init() < 0)
Arnaldo Carvalho de Melob32d1332009-11-24 12:05:15 -0200571 return -1;
Ingo Molnar53cb8bc2009-05-26 09:17:18 +0200572
Arnaldo Carvalho de Meloc8829c72009-12-14 20:09:29 -0200573 setup_sorting(report_usage, options);
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200574
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -0300575 if (parent_pattern != default_parent_pattern) {
Arnaldo Carvalho de Melo2aefa4f2010-04-02 12:30:57 -0300576 if (sort_dimension__add("parent") < 0)
577 return -1;
Frederic Weisbeckercb1955b2011-06-29 23:52:52 +0200578
579 /*
580 * Only show the parent fields if we explicitly
581 * sort that way. If we only use parent machinery
582 * for filtering, we don't want it.
583 */
584 if (!strstr(sort_order, "parent"))
585 sort_parent.elide = 1;
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -0300586 } else
Arnaldo Carvalho de Melod599db32009-12-15 20:04:42 -0200587 symbol_conf.exclude_other = false;
Ingo Molnarb8e6d822009-06-18 14:32:19 +0200588
Ingo Molnaredc52de2009-06-04 16:24:37 +0200589 /*
590 * Any (unrecognized) arguments left?
591 */
592 if (argc)
593 usage_with_options(report_usage, options);
594
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200595 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
596 sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
597 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
Arnaldo Carvalho de Melo25903402009-06-30 19:01:20 -0300598
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200599 return __cmd_report(&report);
Ingo Molnar53cb8bc2009-05-26 09:17:18 +0200600}