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1/*
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#include "util/color.h"
12#include <linux/list.h>
13#include "util/cache.h"
14#include <linux/rbtree.h>
15#include "util/symbol.h"
16
17#include "perf.h"
18#include "util/debug.h"
19
20#include "util/evlist.h"
21#include "util/evsel.h"
22#include "util/annotate.h"
23#include "util/event.h"
24#include <subcmd/parse-options.h>
25#include "util/parse-events.h"
26#include "util/thread.h"
27#include "util/sort.h"
28#include "util/hist.h"
29#include "util/session.h"
30#include "util/tool.h"
31#include "util/data.h"
32#include "arch/common.h"
33#include "util/block-range.h"
34
35#include <dlfcn.h>
36#include <linux/bitmap.h>
37
38struct perf_annotate {
39 struct perf_tool tool;
40 struct perf_session *session;
41 bool use_tui, use_stdio, use_gtk;
42 bool full_paths;
43 bool print_line;
44 bool skip_missing;
45 const char *sym_hist_filter;
46 const char *cpu_list;
47 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
48};
49
50/*
51 * Given one basic block:
52 *
53 * from to branch_i
54 * * ----> *
55 * |
56 * | block
57 * v
58 * * ----> *
59 * from to branch_i+1
60 *
61 * where the horizontal are the branches and the vertical is the executed
62 * block of instructions.
63 *
64 * We count, for each 'instruction', the number of blocks that covered it as
65 * well as count the ratio each branch is taken.
66 *
67 * We can do this without knowing the actual instruction stream by keeping
68 * track of the address ranges. We break down ranges such that there is no
69 * overlap and iterate from the start until the end.
70 *
71 * @acme: once we parse the objdump output _before_ processing the samples,
72 * we can easily fold the branch.cycles IPC bits in.
73 */
74static void process_basic_block(struct addr_map_symbol *start,
75 struct addr_map_symbol *end,
76 struct branch_flags *flags)
77{
78 struct symbol *sym = start->sym;
79 struct annotation *notes = sym ? symbol__annotation(sym) : NULL;
80 struct block_range_iter iter;
81 struct block_range *entry;
82
83 /*
84 * Sanity; NULL isn't executable and the CPU cannot execute backwards
85 */
86 if (!start->addr || start->addr > end->addr)
87 return;
88
89 iter = block_range__create(start->addr, end->addr);
90 if (!block_range_iter__valid(&iter))
91 return;
92
93 /*
94 * First block in range is a branch target.
95 */
96 entry = block_range_iter(&iter);
97 assert(entry->is_target);
98 entry->entry++;
99
100 do {
101 entry = block_range_iter(&iter);
102
103 entry->coverage++;
104 entry->sym = sym;
105
106 if (notes)
107 notes->max_coverage = max(notes->max_coverage, entry->coverage);
108
109 } while (block_range_iter__next(&iter));
110
111 /*
112 * Last block in rage is a branch.
113 */
114 entry = block_range_iter(&iter);
115 assert(entry->is_branch);
116 entry->taken++;
117 if (flags->predicted)
118 entry->pred++;
119}
120
121static void process_branch_stack(struct branch_stack *bs, struct addr_location *al,
122 struct perf_sample *sample)
123{
124 struct addr_map_symbol *prev = NULL;
125 struct branch_info *bi;
126 int i;
127
128 if (!bs || !bs->nr)
129 return;
130
131 bi = sample__resolve_bstack(sample, al);
132 if (!bi)
133 return;
134
135 for (i = bs->nr - 1; i >= 0; i--) {
136 /*
137 * XXX filter against symbol
138 */
139 if (prev)
140 process_basic_block(prev, &bi[i].from, &bi[i].flags);
141 prev = &bi[i].to;
142 }
143
144 free(bi);
145}
146
147static int perf_evsel__add_sample(struct perf_evsel *evsel,
148 struct perf_sample *sample,
149 struct addr_location *al,
150 struct perf_annotate *ann)
151{
152 struct hists *hists = evsel__hists(evsel);
153 struct hist_entry *he;
154 int ret;
155
156 if (ann->sym_hist_filter != NULL &&
157 (al->sym == NULL ||
158 strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
159 /* We're only interested in a symbol named sym_hist_filter */
160 /*
161 * FIXME: why isn't this done in the symbol_filter when loading
162 * the DSO?
163 */
164 if (al->sym != NULL) {
165 rb_erase(&al->sym->rb_node,
166 &al->map->dso->symbols[al->map->type]);
167 symbol__delete(al->sym);
168 dso__reset_find_symbol_cache(al->map->dso);
169 }
170 return 0;
171 }
172
173 /*
174 * XXX filtered samples can still have branch entires pointing into our
175 * symbol and are missed.
176 */
177 process_branch_stack(sample->branch_stack, al, sample);
178
179 sample->period = 1;
180 sample->weight = 1;
181
182 he = hists__add_entry(hists, al, NULL, NULL, NULL, sample, true);
183 if (he == NULL)
184 return -ENOMEM;
185
186 ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
187 hists__inc_nr_samples(hists, true);
188 return ret;
189}
190
191static int process_sample_event(struct perf_tool *tool,
192 union perf_event *event,
193 struct perf_sample *sample,
194 struct perf_evsel *evsel,
195 struct machine *machine)
196{
197 struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool);
198 struct addr_location al;
199 int ret = 0;
200
201 if (machine__resolve(machine, &al, sample) < 0) {
202 pr_warning("problem processing %d event, skipping it.\n",
203 event->header.type);
204 return -1;
205 }
206
207 if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))
208 goto out_put;
209
210 if (!al.filtered && perf_evsel__add_sample(evsel, sample, &al, ann)) {
211 pr_warning("problem incrementing symbol count, "
212 "skipping event\n");
213 ret = -1;
214 }
215out_put:
216 addr_location__put(&al);
217 return ret;
218}
219
220static int hist_entry__tty_annotate(struct hist_entry *he,
221 struct perf_evsel *evsel,
222 struct perf_annotate *ann)
223{
224 return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel,
225 ann->print_line, ann->full_paths, 0, 0);
226}
227
228static void hists__find_annotations(struct hists *hists,
229 struct perf_evsel *evsel,
230 struct perf_annotate *ann)
231{
232 struct rb_node *nd = rb_first(&hists->entries), *next;
233 int key = K_RIGHT;
234
235 while (nd) {
236 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
237 struct annotation *notes;
238
239 if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
240 goto find_next;
241
242 notes = symbol__annotation(he->ms.sym);
243 if (notes->src == NULL) {
244find_next:
245 if (key == K_LEFT)
246 nd = rb_prev(nd);
247 else
248 nd = rb_next(nd);
249 continue;
250 }
251
252 if (use_browser == 2) {
253 int ret;
254 int (*annotate)(struct hist_entry *he,
255 struct perf_evsel *evsel,
256 struct hist_browser_timer *hbt);
257
258 annotate = dlsym(perf_gtk_handle,
259 "hist_entry__gtk_annotate");
260 if (annotate == NULL) {
261 ui__error("GTK browser not found!\n");
262 return;
263 }
264
265 ret = annotate(he, evsel, NULL);
266 if (!ret || !ann->skip_missing)
267 return;
268
269 /* skip missing symbols */
270 nd = rb_next(nd);
271 } else if (use_browser == 1) {
272 key = hist_entry__tui_annotate(he, evsel, NULL);
273 switch (key) {
274 case -1:
275 if (!ann->skip_missing)
276 return;
277 /* fall through */
278 case K_RIGHT:
279 next = rb_next(nd);
280 break;
281 case K_LEFT:
282 next = rb_prev(nd);
283 break;
284 default:
285 return;
286 }
287
288 if (next != NULL)
289 nd = next;
290 } else {
291 hist_entry__tty_annotate(he, evsel, ann);
292 nd = rb_next(nd);
293 /*
294 * Since we have a hist_entry per IP for the same
295 * symbol, free he->ms.sym->src to signal we already
296 * processed this symbol.
297 */
298 zfree(¬es->src->cycles_hist);
299 zfree(¬es->src);
300 }
301 }
302}
303
304static int __cmd_annotate(struct perf_annotate *ann)
305{
306 int ret;
307 struct perf_session *session = ann->session;
308 struct perf_evsel *pos;
309 u64 total_nr_samples;
310
311 if (ann->cpu_list) {
312 ret = perf_session__cpu_bitmap(session, ann->cpu_list,
313 ann->cpu_bitmap);
314 if (ret)
315 goto out;
316 }
317
318 if (!objdump_path) {
319 ret = perf_env__lookup_objdump(&session->header.env);
320 if (ret)
321 goto out;
322 }
323
324 ret = perf_session__process_events(session);
325 if (ret)
326 goto out;
327
328 if (dump_trace) {
329 perf_session__fprintf_nr_events(session, stdout);
330 perf_evlist__fprintf_nr_events(session->evlist, stdout);
331 goto out;
332 }
333
334 if (verbose > 3)
335 perf_session__fprintf(session, stdout);
336
337 if (verbose > 2)
338 perf_session__fprintf_dsos(session, stdout);
339
340 total_nr_samples = 0;
341 evlist__for_each_entry(session->evlist, pos) {
342 struct hists *hists = evsel__hists(pos);
343 u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
344
345 if (nr_samples > 0) {
346 total_nr_samples += nr_samples;
347 hists__collapse_resort(hists, NULL);
348 /* Don't sort callchain */
349 perf_evsel__reset_sample_bit(pos, CALLCHAIN);
350 perf_evsel__output_resort(pos, NULL);
351
352 if (symbol_conf.event_group &&
353 !perf_evsel__is_group_leader(pos))
354 continue;
355
356 hists__find_annotations(hists, pos, ann);
357 }
358 }
359
360 if (total_nr_samples == 0) {
361 ui__error("The %s file has no samples!\n", session->file->path);
362 goto out;
363 }
364
365 if (use_browser == 2) {
366 void (*show_annotations)(void);
367
368 show_annotations = dlsym(perf_gtk_handle,
369 "perf_gtk__show_annotations");
370 if (show_annotations == NULL) {
371 ui__error("GTK browser not found!\n");
372 goto out;
373 }
374 show_annotations();
375 }
376
377out:
378 return ret;
379}
380
381static const char * const annotate_usage[] = {
382 "perf annotate [<options>]",
383 NULL
384};
385
386int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
387{
388 struct perf_annotate annotate = {
389 .tool = {
390 .sample = process_sample_event,
391 .mmap = perf_event__process_mmap,
392 .mmap2 = perf_event__process_mmap2,
393 .comm = perf_event__process_comm,
394 .exit = perf_event__process_exit,
395 .fork = perf_event__process_fork,
396 .ordered_events = true,
397 .ordering_requires_timestamps = true,
398 },
399 };
400 struct perf_data_file file = {
401 .mode = PERF_DATA_MODE_READ,
402 };
403 const struct option options[] = {
404 OPT_STRING('i', "input", &input_name, "file",
405 "input file name"),
406 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
407 "only consider symbols in these dsos"),
408 OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
409 "symbol to annotate"),
410 OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
411 OPT_INCR('v', "verbose", &verbose,
412 "be more verbose (show symbol address, etc)"),
413 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
414 "dump raw trace in ASCII"),
415 OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
416 OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
417 OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
418 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
419 "file", "vmlinux pathname"),
420 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
421 "load module symbols - WARNING: use only with -k and LIVE kernel"),
422 OPT_BOOLEAN('l', "print-line", &annotate.print_line,
423 "print matching source lines (may be slow)"),
424 OPT_BOOLEAN('P', "full-paths", &annotate.full_paths,
425 "Don't shorten the displayed pathnames"),
426 OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,
427 "Skip symbols that cannot be annotated"),
428 OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
429 OPT_CALLBACK(0, "symfs", NULL, "directory",
430 "Look for files with symbols relative to this directory",
431 symbol__config_symfs),
432 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
433 "Interleave source code with assembly code (default)"),
434 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
435 "Display raw encoding of assembly instructions (default)"),
436 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
437 "Specify disassembler style (e.g. -M intel for intel syntax)"),
438 OPT_STRING(0, "objdump", &objdump_path, "path",
439 "objdump binary to use for disassembly and annotations"),
440 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
441 "Show event group information together"),
442 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
443 "Show a column with the sum of periods"),
444 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
445 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
446 stdio__config_color, "always"),
447 OPT_END()
448 };
449 int ret = hists__init();
450
451 if (ret < 0)
452 return ret;
453
454 argc = parse_options(argc, argv, options, annotate_usage, 0);
455 if (argc) {
456 /*
457 * Special case: if there's an argument left then assume that
458 * it's a symbol filter:
459 */
460 if (argc > 1)
461 usage_with_options(annotate_usage, options);
462
463 annotate.sym_hist_filter = argv[0];
464 }
465
466 file.path = input_name;
467
468 annotate.session = perf_session__new(&file, false, &annotate.tool);
469 if (annotate.session == NULL)
470 return -1;
471
472 ret = symbol__annotation_init();
473 if (ret < 0)
474 goto out_delete;
475
476 symbol_conf.try_vmlinux_path = true;
477
478 ret = symbol__init(&annotate.session->header.env);
479 if (ret < 0)
480 goto out_delete;
481
482 if (setup_sorting(NULL) < 0)
483 usage_with_options(annotate_usage, options);
484
485 if (annotate.use_stdio)
486 use_browser = 0;
487 else if (annotate.use_tui)
488 use_browser = 1;
489 else if (annotate.use_gtk)
490 use_browser = 2;
491
492 setup_browser(true);
493
494 ret = __cmd_annotate(&annotate);
495
496out_delete:
497 /*
498 * Speed up the exit process, for large files this can
499 * take quite a while.
500 *
501 * XXX Enable this when using valgrind or if we ever
502 * librarize this command.
503 *
504 * Also experiment with obstacks to see how much speed
505 * up we'll get here.
506 *
507 * perf_session__delete(session);
508 */
509 return ret;
510}
1/*
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#include "util/color.h"
12#include <linux/list.h>
13#include "util/cache.h"
14#include <linux/rbtree.h>
15#include "util/symbol.h"
16
17#include "perf.h"
18#include "util/debug.h"
19
20#include "util/evlist.h"
21#include "util/evsel.h"
22#include "util/annotate.h"
23#include "util/event.h"
24#include "util/parse-options.h"
25#include "util/parse-events.h"
26#include "util/thread.h"
27#include "util/sort.h"
28#include "util/hist.h"
29#include "util/session.h"
30#include "util/tool.h"
31
32#include <linux/bitmap.h>
33
34struct perf_annotate {
35 struct perf_tool tool;
36 char const *input_name;
37 bool force, use_tui, use_stdio;
38 bool full_paths;
39 bool print_line;
40 const char *sym_hist_filter;
41 const char *cpu_list;
42 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
43};
44
45static int perf_evsel__add_sample(struct perf_evsel *evsel,
46 struct perf_sample *sample,
47 struct addr_location *al,
48 struct perf_annotate *ann)
49{
50 struct hist_entry *he;
51 int ret;
52
53 if (ann->sym_hist_filter != NULL &&
54 (al->sym == NULL ||
55 strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
56 /* We're only interested in a symbol named sym_hist_filter */
57 if (al->sym != NULL) {
58 rb_erase(&al->sym->rb_node,
59 &al->map->dso->symbols[al->map->type]);
60 symbol__delete(al->sym);
61 }
62 return 0;
63 }
64
65 he = __hists__add_entry(&evsel->hists, al, NULL, 1);
66 if (he == NULL)
67 return -ENOMEM;
68
69 ret = 0;
70 if (he->ms.sym != NULL) {
71 struct annotation *notes = symbol__annotation(he->ms.sym);
72 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
73 return -ENOMEM;
74
75 ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
76 }
77
78 evsel->hists.stats.total_period += sample->period;
79 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
80 return ret;
81}
82
83static int process_sample_event(struct perf_tool *tool,
84 union perf_event *event,
85 struct perf_sample *sample,
86 struct perf_evsel *evsel,
87 struct machine *machine)
88{
89 struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool);
90 struct addr_location al;
91
92 if (perf_event__preprocess_sample(event, machine, &al, sample,
93 symbol__annotate_init) < 0) {
94 pr_warning("problem processing %d event, skipping it.\n",
95 event->header.type);
96 return -1;
97 }
98
99 if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))
100 return 0;
101
102 if (!al.filtered && perf_evsel__add_sample(evsel, sample, &al, ann)) {
103 pr_warning("problem incrementing symbol count, "
104 "skipping event\n");
105 return -1;
106 }
107
108 return 0;
109}
110
111static int hist_entry__tty_annotate(struct hist_entry *he, int evidx,
112 struct perf_annotate *ann)
113{
114 return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx,
115 ann->print_line, ann->full_paths, 0, 0);
116}
117
118static void hists__find_annotations(struct hists *self, int evidx,
119 struct perf_annotate *ann)
120{
121 struct rb_node *nd = rb_first(&self->entries), *next;
122 int key = K_RIGHT;
123
124 while (nd) {
125 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
126 struct annotation *notes;
127
128 if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
129 goto find_next;
130
131 notes = symbol__annotation(he->ms.sym);
132 if (notes->src == NULL) {
133find_next:
134 if (key == K_LEFT)
135 nd = rb_prev(nd);
136 else
137 nd = rb_next(nd);
138 continue;
139 }
140
141 if (use_browser > 0) {
142 key = hist_entry__tui_annotate(he, evidx, NULL, NULL, 0);
143 switch (key) {
144 case K_RIGHT:
145 next = rb_next(nd);
146 break;
147 case K_LEFT:
148 next = rb_prev(nd);
149 break;
150 default:
151 return;
152 }
153
154 if (next != NULL)
155 nd = next;
156 } else {
157 hist_entry__tty_annotate(he, evidx, ann);
158 nd = rb_next(nd);
159 /*
160 * Since we have a hist_entry per IP for the same
161 * symbol, free he->ms.sym->src to signal we already
162 * processed this symbol.
163 */
164 free(notes->src);
165 notes->src = NULL;
166 }
167 }
168}
169
170static int __cmd_annotate(struct perf_annotate *ann)
171{
172 int ret;
173 struct perf_session *session;
174 struct perf_evsel *pos;
175 u64 total_nr_samples;
176
177 session = perf_session__new(ann->input_name, O_RDONLY,
178 ann->force, false, &ann->tool);
179 if (session == NULL)
180 return -ENOMEM;
181
182 if (ann->cpu_list) {
183 ret = perf_session__cpu_bitmap(session, ann->cpu_list,
184 ann->cpu_bitmap);
185 if (ret)
186 goto out_delete;
187 }
188
189 ret = perf_session__process_events(session, &ann->tool);
190 if (ret)
191 goto out_delete;
192
193 if (dump_trace) {
194 perf_session__fprintf_nr_events(session, stdout);
195 goto out_delete;
196 }
197
198 if (verbose > 3)
199 perf_session__fprintf(session, stdout);
200
201 if (verbose > 2)
202 perf_session__fprintf_dsos(session, stdout);
203
204 total_nr_samples = 0;
205 list_for_each_entry(pos, &session->evlist->entries, node) {
206 struct hists *hists = &pos->hists;
207 u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
208
209 if (nr_samples > 0) {
210 total_nr_samples += nr_samples;
211 hists__collapse_resort(hists);
212 hists__output_resort(hists);
213 hists__find_annotations(hists, pos->idx, ann);
214 }
215 }
216
217 if (total_nr_samples == 0) {
218 ui__error("The %s file has no samples!\n", session->filename);
219 goto out_delete;
220 }
221out_delete:
222 /*
223 * Speed up the exit process, for large files this can
224 * take quite a while.
225 *
226 * XXX Enable this when using valgrind or if we ever
227 * librarize this command.
228 *
229 * Also experiment with obstacks to see how much speed
230 * up we'll get here.
231 *
232 * perf_session__delete(session);
233 */
234 return ret;
235}
236
237static const char * const annotate_usage[] = {
238 "perf annotate [<options>]",
239 NULL
240};
241
242int cmd_annotate(int argc, const char **argv, const char *prefix __used)
243{
244 struct perf_annotate annotate = {
245 .tool = {
246 .sample = process_sample_event,
247 .mmap = perf_event__process_mmap,
248 .comm = perf_event__process_comm,
249 .fork = perf_event__process_task,
250 .ordered_samples = true,
251 .ordering_requires_timestamps = true,
252 },
253 };
254 const struct option options[] = {
255 OPT_STRING('i', "input", &annotate.input_name, "file",
256 "input file name"),
257 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
258 "only consider symbols in these dsos"),
259 OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
260 "symbol to annotate"),
261 OPT_BOOLEAN('f', "force", &annotate.force, "don't complain, do it"),
262 OPT_INCR('v', "verbose", &verbose,
263 "be more verbose (show symbol address, etc)"),
264 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
265 "dump raw trace in ASCII"),
266 OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
267 OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
268 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
269 "file", "vmlinux pathname"),
270 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
271 "load module symbols - WARNING: use only with -k and LIVE kernel"),
272 OPT_BOOLEAN('l', "print-line", &annotate.print_line,
273 "print matching source lines (may be slow)"),
274 OPT_BOOLEAN('P', "full-paths", &annotate.full_paths,
275 "Don't shorten the displayed pathnames"),
276 OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
277 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
278 "Look for files with symbols relative to this directory"),
279 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
280 "Interleave source code with assembly code (default)"),
281 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
282 "Display raw encoding of assembly instructions (default)"),
283 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
284 "Specify disassembler style (e.g. -M intel for intel syntax)"),
285 OPT_END()
286 };
287
288 argc = parse_options(argc, argv, options, annotate_usage, 0);
289
290 if (annotate.use_stdio)
291 use_browser = 0;
292 else if (annotate.use_tui)
293 use_browser = 1;
294
295 setup_browser(true);
296
297 symbol_conf.priv_size = sizeof(struct annotation);
298 symbol_conf.try_vmlinux_path = true;
299
300 if (symbol__init() < 0)
301 return -1;
302
303 setup_sorting(annotate_usage, options);
304
305 if (argc) {
306 /*
307 * Special case: if there's an argument left then assume tha
308 * it's a symbol filter:
309 */
310 if (argc > 1)
311 usage_with_options(annotate_usage, options);
312
313 annotate.sym_hist_filter = argv[0];
314 }
315
316 return __cmd_annotate(&annotate);
317}