blob: 593ff25006defbd405713e1c1c24653911760a4f [file] [log] [blame]
Ingo Molnar8035e422009-06-06 15:19:13 +02001/*
2 * builtin-annotate.c
3 *
4 * Builtin annotate 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 */
8#include "builtin.h"
9
10#include "util/util.h"
11
12#include "util/color.h"
Arnaldo Carvalho de Melo5da50252009-07-01 14:46:08 -030013#include <linux/list.h>
Ingo Molnar8035e422009-06-06 15:19:13 +020014#include "util/cache.h"
Arnaldo Carvalho de Melo43cbcd82009-07-01 12:28:37 -030015#include <linux/rbtree.h>
Ingo Molnar8035e422009-06-06 15:19:13 +020016#include "util/symbol.h"
17#include "util/string.h"
18
19#include "perf.h"
Frederic Weisbecker8f288272009-08-16 22:05:48 +020020#include "util/debug.h"
Ingo Molnar8035e422009-06-06 15:19:13 +020021
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -020022#include "util/event.h"
Ingo Molnar8035e422009-06-06 15:19:13 +020023#include "util/parse-options.h"
24#include "util/parse-events.h"
Frederic Weisbecker6baa0a52009-08-14 12:21:53 +020025#include "util/thread.h"
John Kacurdd68ada2009-09-24 18:02:49 +020026#include "util/sort.h"
John Kacur3d1d07e2009-09-28 15:32:55 +020027#include "util/hist.h"
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020028#include "util/session.h"
Ingo Molnar8035e422009-06-06 15:19:13 +020029
Ingo Molnar8035e422009-06-06 15:19:13 +020030static char const *input_name = "perf.data";
Ingo Molnar8035e422009-06-06 15:19:13 +020031
Peter Zijlstrafa6963b2009-08-19 11:18:26 +020032static int force;
Ingo Molnar8035e422009-06-06 15:19:13 +020033
Mike Galbraith42976482009-07-02 08:09:46 +020034static int full_paths;
35
Frederic Weisbecker301406b2009-06-13 00:11:21 +020036static int print_line;
37
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020038struct sym_hist {
39 u64 sum;
40 u64 ip[0];
41};
42
Frederic Weisbecker301406b2009-06-13 00:11:21 +020043struct sym_ext {
Frederic Weisbecker971738f2009-06-13 00:11:22 +020044 struct rb_node node;
Frederic Weisbecker301406b2009-06-13 00:11:21 +020045 double percent;
46 char *path;
47};
48
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020049struct sym_priv {
50 struct sym_hist *hist;
51 struct sym_ext *ext;
52};
53
54static const char *sym_hist_filter;
55
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -020056static int symbol_filter(struct map *map __used, struct symbol *sym)
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020057{
Arnaldo Carvalho de Melo8f0b0372009-10-20 15:08:29 -020058 if (sym_hist_filter == NULL ||
59 strcmp(sym->name, sym_hist_filter) == 0) {
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -020060 struct sym_priv *priv = symbol__priv(sym);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020061 const int size = (sizeof(*priv->hist) +
62 (sym->end - sym->start) * sizeof(u64));
63
64 priv->hist = malloc(size);
65 if (priv->hist)
66 memset(priv->hist, 0, size);
67 return 0;
68 }
69 /*
70 * FIXME: We should really filter it out, as we don't want to go thru symbols
71 * we're not interested, and if a DSO ends up with no symbols, delete it too,
72 * but right now the kernel loading routines in symbol.c bail out if no symbols
73 * are found, fix it later.
74 */
75 return 0;
76}
Ingo Molnar8035e422009-06-06 15:19:13 +020077
Ingo Molnar8035e422009-06-06 15:19:13 +020078/*
79 * collect histogram counts
80 */
Paul Mackerras9cffa8d2009-06-19 22:21:42 +100081static void hist_hit(struct hist_entry *he, u64 ip)
Ingo Molnar0b73da32009-06-06 15:48:52 +020082{
83 unsigned int sym_size, offset;
84 struct symbol *sym = he->sym;
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020085 struct sym_priv *priv;
86 struct sym_hist *h;
Ingo Molnar0b73da32009-06-06 15:48:52 +020087
88 he->count++;
89
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020090 if (!sym || !he->map)
91 return;
92
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -020093 priv = symbol__priv(sym);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -020094 if (!priv->hist)
Ingo Molnar0b73da32009-06-06 15:48:52 +020095 return;
96
97 sym_size = sym->end - sym->start;
98 offset = ip - sym->start;
99
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200100 if (verbose)
101 fprintf(stderr, "%s: ip=%Lx\n", __func__,
102 he->map->unmap_ip(he->map, ip));
103
Ingo Molnar0b73da32009-06-06 15:48:52 +0200104 if (offset >= sym_size)
105 return;
106
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200107 h = priv->hist;
108 h->sum++;
109 h->ip[offset]++;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200110
111 if (verbose >= 3)
112 printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n",
Arjan van de Ven7d37a0c2009-06-06 20:36:38 +0200113 (void *)(unsigned long)he->sym->start,
Ingo Molnar0b73da32009-06-06 15:48:52 +0200114 he->sym->name,
Arjan van de Ven7d37a0c2009-06-06 20:36:38 +0200115 (void *)(unsigned long)ip, ip - he->sym->start,
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200116 h->ip[offset]);
Ingo Molnar0b73da32009-06-06 15:48:52 +0200117}
Ingo Molnar8035e422009-06-06 15:19:13 +0200118
Arnaldo Carvalho de Melo4e4f06e2009-12-14 13:10:39 -0200119static int perf_session__add_hist_entry(struct perf_session *self,
120 struct addr_location *al, u64 count)
Ingo Molnar8035e422009-06-06 15:19:13 +0200121{
Arnaldo Carvalho de Melo9735abf2009-10-03 10:42:45 -0300122 bool hit;
Arnaldo Carvalho de Melo4e4f06e2009-12-14 13:10:39 -0200123 struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL,
124 count, &hit);
Arnaldo Carvalho de Melo9735abf2009-10-03 10:42:45 -0300125 if (he == NULL)
Ingo Molnar8035e422009-06-06 15:19:13 +0200126 return -ENOMEM;
Arnaldo Carvalho de Melo1ed091c2009-11-27 16:29:23 -0200127 hist_hit(he, al->addr);
Ingo Molnar8035e422009-06-06 15:19:13 +0200128 return 0;
129}
130
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -0200131static int process_sample_event(event_t *event, struct perf_session *session)
Ingo Molnar8035e422009-06-06 15:19:13 +0200132{
Arnaldo Carvalho de Melo1ed091c2009-11-27 16:29:23 -0200133 struct addr_location al;
Frederic Weisbecker6baa0a52009-08-14 12:21:53 +0200134
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -0200135 dump_printf("(IP, %d): %d: %p\n", event->header.misc,
Arnaldo Carvalho de Melo1ed091c2009-11-27 16:29:23 -0200136 event->ip.pid, (void *)(long)event->ip.ip);
Ingo Molnar8035e422009-06-06 15:19:13 +0200137
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -0200138 if (event__preprocess_sample(event, session, &al, symbol_filter) < 0) {
Ingo Molnar8035e422009-06-06 15:19:13 +0200139 fprintf(stderr, "problem processing %d event, skipping it.\n",
140 event->header.type);
141 return -1;
142 }
143
Arnaldo Carvalho de Meloc410a332009-12-15 20:04:41 -0200144 if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) {
Arnaldo Carvalho de Meloec218fc2009-10-03 20:30:48 -0300145 fprintf(stderr, "problem incrementing symbol count, "
146 "skipping event\n");
147 return -1;
Ingo Molnar8035e422009-06-06 15:19:13 +0200148 }
Ingo Molnar8035e422009-06-06 15:19:13 +0200149
150 return 0;
151}
152
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200153static int parse_line(FILE *file, struct hist_entry *he, u64 len)
Ingo Molnar0b73da32009-06-06 15:48:52 +0200154{
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200155 struct symbol *sym = he->sym;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200156 char *line = NULL, *tmp, *tmp2;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200157 static const char *prev_line;
158 static const char *prev_color;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200159 unsigned int offset;
160 size_t line_len;
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200161 u64 start;
Ingo Molnarf37a2912009-07-01 12:37:06 +0200162 s64 line_ip;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200163 int ret;
164 char *c;
165
166 if (getline(&line, &line_len, file) < 0)
167 return -1;
168 if (!line)
169 return -1;
170
171 c = strchr(line, '\n');
172 if (c)
173 *c = 0;
174
175 line_ip = -1;
176 offset = 0;
177 ret = -2;
178
179 /*
180 * Strip leading spaces:
181 */
182 tmp = line;
183 while (*tmp) {
184 if (*tmp != ' ')
185 break;
186 tmp++;
187 }
188
189 if (*tmp) {
190 /*
191 * Parse hexa addresses followed by ':'
192 */
193 line_ip = strtoull(tmp, &tmp2, 16);
194 if (*tmp2 != ':')
195 line_ip = -1;
196 }
197
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200198 start = he->map->unmap_ip(he->map, sym->start);
199
Ingo Molnar0b73da32009-06-06 15:48:52 +0200200 if (line_ip != -1) {
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200201 const char *path = NULL;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200202 unsigned int hits = 0;
203 double percent = 0.0;
Ingo Molnar83a09442009-08-15 12:26:57 +0200204 const char *color;
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -0200205 struct sym_priv *priv = symbol__priv(sym);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200206 struct sym_ext *sym_ext = priv->ext;
207 struct sym_hist *h = priv->hist;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200208
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200209 offset = line_ip - start;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200210 if (offset < len)
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200211 hits = h->ip[offset];
Ingo Molnar0b73da32009-06-06 15:48:52 +0200212
Frederic Weisbeckerc17c2db2009-06-13 17:39:23 +0200213 if (offset < len && sym_ext) {
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200214 path = sym_ext[offset].path;
215 percent = sym_ext[offset].percent;
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200216 } else if (h->sum)
217 percent = 100.0 * hits / h->sum;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200218
Frederic Weisbecker1e11fd82009-07-02 20:14:34 +0200219 color = get_percent_color(percent);
Ingo Molnar0b73da32009-06-06 15:48:52 +0200220
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200221 /*
222 * Also color the filename and line if needed, with
223 * the same color than the percentage. Don't print it
224 * twice for close colored ip with the same filename:line
225 */
226 if (path) {
227 if (!prev_line || strcmp(prev_line, path)
228 || color != prev_color) {
229 color_fprintf(stdout, color, " %s", path);
230 prev_line = path;
231 prev_color = color;
232 }
233 }
234
Ingo Molnar0b73da32009-06-06 15:48:52 +0200235 color_fprintf(stdout, color, " %7.2f", percent);
236 printf(" : ");
237 color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line);
238 } else {
239 if (!*line)
240 printf(" :\n");
241 else
242 printf(" : %s\n", line);
243 }
244
245 return 0;
246}
247
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200248static struct rb_root root_sym_ext;
249
250static void insert_source_line(struct sym_ext *sym_ext)
251{
252 struct sym_ext *iter;
253 struct rb_node **p = &root_sym_ext.rb_node;
254 struct rb_node *parent = NULL;
255
256 while (*p != NULL) {
257 parent = *p;
258 iter = rb_entry(parent, struct sym_ext, node);
259
260 if (sym_ext->percent > iter->percent)
261 p = &(*p)->rb_left;
262 else
263 p = &(*p)->rb_right;
264 }
265
266 rb_link_node(&sym_ext->node, parent, p);
267 rb_insert_color(&sym_ext->node, &root_sym_ext);
268}
269
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200270static void free_source_line(struct hist_entry *he, int len)
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200271{
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -0200272 struct sym_priv *priv = symbol__priv(he->sym);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200273 struct sym_ext *sym_ext = priv->ext;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200274 int i;
275
276 if (!sym_ext)
277 return;
278
279 for (i = 0; i < len; i++)
280 free(sym_ext[i].path);
281 free(sym_ext);
282
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200283 priv->ext = NULL;
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200284 root_sym_ext = RB_ROOT;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200285}
286
287/* Get the filename:line for the colored entries */
Frederic Weisbeckerc17c2db2009-06-13 17:39:23 +0200288static void
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200289get_source_line(struct hist_entry *he, int len, const char *filename)
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200290{
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200291 struct symbol *sym = he->sym;
292 u64 start;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200293 int i;
294 char cmd[PATH_MAX * 2];
295 struct sym_ext *sym_ext;
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -0200296 struct sym_priv *priv = symbol__priv(sym);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200297 struct sym_hist *h = priv->hist;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200298
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200299 if (!h->sum)
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200300 return;
301
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200302 sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext));
303 if (!priv->ext)
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200304 return;
305
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200306 start = he->map->unmap_ip(he->map, sym->start);
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200307
308 for (i = 0; i < len; i++) {
309 char *path = NULL;
310 size_t line_len;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000311 u64 offset;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200312 FILE *fp;
313
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200314 sym_ext[i].percent = 100.0 * h->ip[i] / h->sum;
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200315 if (sym_ext[i].percent <= 0.5)
316 continue;
317
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200318 offset = start + i;
Frederic Weisbeckerc17c2db2009-06-13 17:39:23 +0200319 sprintf(cmd, "addr2line -e %s %016llx", filename, offset);
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200320 fp = popen(cmd, "r");
321 if (!fp)
322 continue;
323
324 if (getline(&path, &line_len, fp) < 0 || !line_len)
325 goto next;
326
Frederic Weisbeckerc17c2db2009-06-13 17:39:23 +0200327 sym_ext[i].path = malloc(sizeof(char) * line_len + 1);
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200328 if (!sym_ext[i].path)
329 goto next;
330
331 strcpy(sym_ext[i].path, path);
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200332 insert_source_line(&sym_ext[i]);
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200333
334 next:
335 pclose(fp);
336 }
337}
338
Ingo Molnar83a09442009-08-15 12:26:57 +0200339static void print_summary(const char *filename)
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200340{
341 struct sym_ext *sym_ext;
342 struct rb_node *node;
343
344 printf("\nSorted summary for file %s\n", filename);
345 printf("----------------------------------------------\n\n");
346
347 if (RB_EMPTY_ROOT(&root_sym_ext)) {
348 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
349 return;
350 }
351
352 node = rb_first(&root_sym_ext);
353 while (node) {
354 double percent;
Ingo Molnar83a09442009-08-15 12:26:57 +0200355 const char *color;
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200356 char *path;
357
358 sym_ext = rb_entry(node, struct sym_ext, node);
359 percent = sym_ext->percent;
Frederic Weisbecker1e11fd82009-07-02 20:14:34 +0200360 color = get_percent_color(percent);
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200361 path = sym_ext->path;
362
363 color_fprintf(stdout, color, " %7.2f %s", percent, path);
364 node = rb_next(node);
365 }
366}
367
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200368static void annotate_sym(struct hist_entry *he)
Ingo Molnar0b73da32009-06-06 15:48:52 +0200369{
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200370 struct map *map = he->map;
371 struct dso *dso = map->dso;
372 struct symbol *sym = he->sym;
Arnaldo Carvalho de Melo439d4732009-10-02 03:29:58 -0300373 const char *filename = dso->long_name, *d_filename;
374 u64 len;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200375 char command[PATH_MAX*2];
376 FILE *file;
377
378 if (!filename)
379 return;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200380
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200381 if (verbose)
382 fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n",
383 __func__, filename, sym->name,
384 map->unmap_ip(map, sym->start),
385 map->unmap_ip(map, sym->end));
386
Mike Galbraith42976482009-07-02 08:09:46 +0200387 if (full_paths)
388 d_filename = filename;
389 else
390 d_filename = basename(filename);
Ingo Molnar0b73da32009-06-06 15:48:52 +0200391
Ingo Molnar0b73da32009-06-06 15:48:52 +0200392 len = sym->end - sym->start;
393
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200394 if (print_line) {
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200395 get_source_line(he, len, filename);
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200396 print_summary(filename);
397 }
398
399 printf("\n\n------------------------------------------------\n");
Mike Galbraith42976482009-07-02 08:09:46 +0200400 printf(" Percent | Source code & Disassembly of %s\n", d_filename);
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200401 printf("------------------------------------------------\n");
402
403 if (verbose >= 2)
Arnaldo Carvalho de Melo439d4732009-10-02 03:29:58 -0300404 printf("annotating [%p] %30s : [%p] %30s\n",
405 dso, dso->long_name, sym, sym->name);
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200406
Mike Galbraith42976482009-07-02 08:09:46 +0200407 sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200408 map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end),
409 filename, filename);
Ingo Molnar0b73da32009-06-06 15:48:52 +0200410
411 if (verbose >= 3)
412 printf("doing: %s\n", command);
413
414 file = popen(command, "r");
415 if (!file)
416 return;
417
418 while (!feof(file)) {
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200419 if (parse_line(file, he, len) < 0)
Ingo Molnar0b73da32009-06-06 15:48:52 +0200420 break;
421 }
422
423 pclose(file);
Frederic Weisbecker971738f2009-06-13 00:11:22 +0200424 if (print_line)
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200425 free_source_line(he, len);
Ingo Molnar0b73da32009-06-06 15:48:52 +0200426}
427
Arnaldo Carvalho de Melo4e4f06e2009-12-14 13:10:39 -0200428static void perf_session__find_annotations(struct perf_session *self)
Ingo Molnar0b73da32009-06-06 15:48:52 +0200429{
430 struct rb_node *nd;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200431
Arnaldo Carvalho de Melo4e4f06e2009-12-14 13:10:39 -0200432 for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
Arnaldo Carvalho de Meloed52ce22009-10-19 17:17:57 -0200433 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200434 struct sym_priv *priv;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200435
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200436 if (he->sym == NULL)
437 continue;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200438
Arnaldo Carvalho de Melo00a192b2009-10-30 16:28:24 -0200439 priv = symbol__priv(he->sym);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200440 if (priv->hist == NULL)
441 continue;
442
443 annotate_sym(he);
Arnaldo Carvalho de Meloe4204992009-10-20 14:25:40 -0200444 /*
445 * Since we have a hist_entry per IP for the same symbol, free
446 * he->sym->hist to signal we already processed this symbol.
447 */
448 free(priv->hist);
449 priv->hist = NULL;
Ingo Molnar0b73da32009-06-06 15:48:52 +0200450 }
Ingo Molnar0b73da32009-06-06 15:48:52 +0200451}
452
Arnaldo Carvalho de Melo301a0b02009-12-13 19:50:25 -0200453static struct perf_event_ops event_ops = {
Li Zefanbab81b62009-12-01 14:04:49 +0800454 .process_sample_event = process_sample_event,
455 .process_mmap_event = event__process_mmap,
456 .process_comm_event = event__process_comm,
457 .process_fork_event = event__process_task,
458};
459
Ingo Molnar8035e422009-06-06 15:19:13 +0200460static int __cmd_annotate(void)
461{
Li Zefanbab81b62009-12-01 14:04:49 +0800462 int ret;
Arnaldo Carvalho de Melo75be6cf2009-12-15 20:04:39 -0200463 struct perf_session *session;
Ingo Molnar8035e422009-06-06 15:19:13 +0200464
Arnaldo Carvalho de Melo75be6cf2009-12-15 20:04:39 -0200465 session = perf_session__new(input_name, O_RDONLY, force);
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200466 if (session == NULL)
467 return -ENOMEM;
468
Arnaldo Carvalho de Meloec913362009-12-13 19:50:27 -0200469 ret = perf_session__process_events(session, &event_ops);
Li Zefanbab81b62009-12-01 14:04:49 +0800470 if (ret)
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200471 goto out_delete;
Ingo Molnar8035e422009-06-06 15:19:13 +0200472
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -0200473 if (dump_trace) {
474 event__print_totals();
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200475 goto out_delete;
Arnaldo Carvalho de Melo62daacb2009-11-27 16:29:22 -0200476 }
Ingo Molnar8035e422009-06-06 15:19:13 +0200477
Arnaldo Carvalho de Meloda21d1b2009-10-07 10:49:00 -0300478 if (verbose > 3)
Arnaldo Carvalho de Melob3165f42009-12-13 19:50:28 -0200479 perf_session__fprintf(session, stdout);
Ingo Molnar8035e422009-06-06 15:19:13 +0200480
Arnaldo Carvalho de Meloda21d1b2009-10-07 10:49:00 -0300481 if (verbose > 2)
Ingo Molnar8035e422009-06-06 15:19:13 +0200482 dsos__fprintf(stdout);
483
Arnaldo Carvalho de Melo4e4f06e2009-12-14 13:10:39 -0200484 perf_session__collapse_resort(session);
Arnaldo Carvalho de Melof823e442009-12-14 15:06:01 -0200485 perf_session__output_resort(session, session->event_total[0]);
Arnaldo Carvalho de Melo4e4f06e2009-12-14 13:10:39 -0200486 perf_session__find_annotations(session);
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -0200487out_delete:
488 perf_session__delete(session);
Ingo Molnar8035e422009-06-06 15:19:13 +0200489
Li Zefanbab81b62009-12-01 14:04:49 +0800490 return ret;
Ingo Molnar8035e422009-06-06 15:19:13 +0200491}
492
493static const char * const annotate_usage[] = {
494 "perf annotate [<options>] <command>",
495 NULL
496};
497
498static const struct option options[] = {
499 OPT_STRING('i', "input", &input_name, "file",
500 "input file name"),
Ingo Molnar23b87112009-06-06 21:25:29 +0200501 OPT_STRING('s', "symbol", &sym_hist_filter, "symbol",
Ingo Molnar0b73da32009-06-06 15:48:52 +0200502 "symbol to annotate"),
Peter Zijlstrafa6963b2009-08-19 11:18:26 +0200503 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
Ingo Molnar8035e422009-06-06 15:19:13 +0200504 OPT_BOOLEAN('v', "verbose", &verbose,
505 "be more verbose (show symbol address, etc)"),
506 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
507 "dump raw trace in ASCII"),
Arnaldo Carvalho de Melob32d1332009-11-24 12:05:15 -0200508 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
509 "file", "vmlinux pathname"),
510 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
Mike Galbraith42976482009-07-02 08:09:46 +0200511 "load module symbols - WARNING: use only with -k and LIVE kernel"),
Frederic Weisbecker301406b2009-06-13 00:11:21 +0200512 OPT_BOOLEAN('l', "print-line", &print_line,
513 "print matching source lines (may be slow)"),
Mike Galbraith42976482009-07-02 08:09:46 +0200514 OPT_BOOLEAN('P', "full-paths", &full_paths,
515 "Don't shorten the displayed pathnames"),
Ingo Molnar8035e422009-06-06 15:19:13 +0200516 OPT_END()
517};
518
Ingo Molnarf37a2912009-07-01 12:37:06 +0200519int cmd_annotate(int argc, const char **argv, const char *prefix __used)
Ingo Molnar8035e422009-06-06 15:19:13 +0200520{
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -0200521 argc = parse_options(argc, argv, options, annotate_usage, 0);
522
Arnaldo Carvalho de Melo75be6cf2009-12-15 20:04:39 -0200523 symbol_conf.priv_size = sizeof(struct sym_priv);
524 symbol_conf.try_vmlinux_path = true;
525
526 if (symbol__init() < 0)
Arnaldo Carvalho de Melob32d1332009-11-24 12:05:15 -0200527 return -1;
Ingo Molnar8035e422009-06-06 15:19:13 +0200528
Arnaldo Carvalho de Meloc8829c72009-12-14 20:09:29 -0200529 setup_sorting(annotate_usage, options);
Ingo Molnar8035e422009-06-06 15:19:13 +0200530
Ingo Molnar0b73da32009-06-06 15:48:52 +0200531 if (argc) {
532 /*
533 * Special case: if there's an argument left then assume tha
534 * it's a symbol filter:
535 */
536 if (argc > 1)
537 usage_with_options(annotate_usage, options);
538
539 sym_hist_filter = argv[0];
540 }
541
Ingo Molnar8035e422009-06-06 15:19:13 +0200542 setup_pager();
543
John Kacurdd68ada2009-09-24 18:02:49 +0200544 if (field_sep && *field_sep == '.') {
545 fputs("'.' is the only non valid --field-separator argument\n",
546 stderr);
547 exit(129);
548 }
549
Ingo Molnar8035e422009-06-06 15:19:13 +0200550 return __cmd_annotate();
551}