1/*
  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 */
  8#include "builtin.h"
  9
 10#include "util/util.h"
 
 11
 12#include "util/annotate.h"
 13#include "util/color.h"
 14#include <linux/list.h>
 15#include "util/cache.h"
 16#include <linux/rbtree.h>
 17#include "util/symbol.h"
 18#include "util/callchain.h"
 19#include "util/strlist.h"
 20#include "util/values.h"
 21
 22#include "perf.h"
 23#include "util/debug.h"
 24#include "util/evlist.h"
 25#include "util/evsel.h"
 26#include "util/header.h"
 27#include "util/session.h"
 28#include "util/tool.h"
 29
 30#include "util/parse-options.h"
 
 31#include "util/parse-events.h"
 32
 33#include "util/thread.h"
 34#include "util/sort.h"
 35#include "util/hist.h"
 
 
 
 
 36
 
 37#include <linux/bitmap.h>
 
 38
 39struct perf_report {
 40	struct perf_tool	tool;
 41	struct perf_session	*session;
 42	char const		*input_name;
 43	bool			force, use_tui, use_gtk, 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	const char		*symbol_filter_str;
 
 
 
 
 
 
 54	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
 55};
 56
 57static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
 58					struct addr_location *al,
 59					struct perf_sample *sample,
 60					struct perf_evsel *evsel,
 61				      struct machine *machine)
 62{
 63	struct perf_report *rep = container_of(tool, struct perf_report, tool);
 64	struct symbol *parent = NULL;
 65	int err = 0;
 66	unsigned i;
 67	struct hist_entry *he;
 68	struct branch_info *bi, *bx;
 69
 70	if ((sort__has_parent || symbol_conf.use_callchain)
 71	    && sample->callchain) {
 72		err = machine__resolve_callchain(machine, evsel, al->thread,
 73						 sample->callchain, &parent);
 74		if (err)
 75			return err;
 76	}
 77
 78	bi = machine__resolve_bstack(machine, al->thread,
 79				     sample->branch_stack);
 80	if (!bi)
 81		return -ENOMEM;
 82
 83	for (i = 0; i < sample->branch_stack->nr; i++) {
 84		if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
 85			continue;
 86		/*
 87		 * The report shows the percentage of total branches captured
 88		 * and not events sampled. Thus we use a pseudo period of 1.
 89		 */
 90		he = __hists__add_branch_entry(&evsel->hists, al, parent,
 91				&bi[i], 1);
 92		if (he) {
 93			struct annotation *notes;
 94			err = -ENOMEM;
 95			bx = he->branch_info;
 96			if (bx->from.sym && use_browser > 0) {
 97				notes = symbol__annotation(bx->from.sym);
 98				if (!notes->src
 99				    && symbol__alloc_hist(bx->from.sym) < 0)
100					goto out;
101
102				err = symbol__inc_addr_samples(bx->from.sym,
103							       bx->from.map,
104							       evsel->idx,
105							       bx->from.al_addr);
106				if (err)
107					goto out;
108			}
109
110			if (bx->to.sym && use_browser > 0) {
111				notes = symbol__annotation(bx->to.sym);
112				if (!notes->src
113				    && symbol__alloc_hist(bx->to.sym) < 0)
114					goto out;
115
116				err = symbol__inc_addr_samples(bx->to.sym,
117							       bx->to.map,
118							       evsel->idx,
119							       bx->to.al_addr);
120				if (err)
121					goto out;
122			}
123			evsel->hists.stats.total_period += 1;
124			hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
125			err = 0;
126		} else
127			return -ENOMEM;
128	}
129out:
130	return err;
 
 
 
 
 
 
 
 
 
 
 
 
131}
132
133static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
134				      struct addr_location *al,
135				      struct perf_sample *sample,
136				      struct machine *machine)
137{
138	struct symbol *parent = NULL;
139	int err = 0;
140	struct hist_entry *he;
 
 
 
 
141
142	if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
143		err = machine__resolve_callchain(machine, evsel, al->thread,
144						 sample->callchain, &parent);
145		if (err)
146			return err;
147	}
148
149	he = __hists__add_entry(&evsel->hists, al, parent, sample->period);
150	if (he == NULL)
151		return -ENOMEM;
152
153	if (symbol_conf.use_callchain) {
154		err = callchain_append(he->callchain,
155				       &callchain_cursor,
156				       sample->period);
157		if (err)
158			return err;
159	}
160	/*
161	 * Only in the newt browser we are doing integrated annotation,
162	 * so we don't allocated the extra space needed because the stdio
163	 * code will not use it.
164	 */
165	if (he->ms.sym != NULL && use_browser > 0) {
166		struct annotation *notes = symbol__annotation(he->ms.sym);
167
168		assert(evsel != NULL);
169
170		err = -ENOMEM;
171		if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
 
 
172			goto out;
173
174		err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
 
 
 
 
 
 
 
175	}
176
177	evsel->hists.stats.total_period += sample->period;
178	hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
179out:
180	return err;
181}
182
183
184static int process_sample_event(struct perf_tool *tool,
185				union perf_event *event,
186				struct perf_sample *sample,
187				struct perf_evsel *evsel,
188				struct machine *machine)
189{
190	struct perf_report *rep = container_of(tool, struct perf_report, tool);
191	struct addr_location al;
 
 
 
 
 
 
 
 
 
 
192
193	if (perf_event__preprocess_sample(event, machine, &al, sample,
194					  rep->annotate_init) < 0) {
195		fprintf(stderr, "problem processing %d event, skipping it.\n",
196			event->header.type);
197		return -1;
198	}
199
200	if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
201		return 0;
202
203	if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
204		return 0;
205
206	if (sort__branch_mode == 1) {
207		if (perf_report__add_branch_hist_entry(tool, &al, sample,
208						       evsel, machine)) {
209			pr_debug("problem adding lbr entry, skipping event\n");
210			return -1;
211		}
 
 
 
 
 
 
212	} else {
213		if (al.map != NULL)
214			al.map->dso->hit = 1;
215
216		if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
217			pr_debug("problem incrementing symbol period, skipping event\n");
218			return -1;
219		}
220	}
221	return 0;
 
 
 
 
 
 
 
 
 
222}
223
224static int process_read_event(struct perf_tool *tool,
225			      union perf_event *event,
226			      struct perf_sample *sample __used,
227			      struct perf_evsel *evsel,
228			      struct machine *machine __used)
229{
230	struct perf_report *rep = container_of(tool, struct perf_report, tool);
231
232	if (rep->show_threads) {
233		const char *name = evsel ? event_name(evsel) : "unknown";
234		perf_read_values_add_value(&rep->show_threads_values,
235					   event->read.pid, event->read.tid,
236					   event->read.id,
237					   name,
238					   event->read.value);
 
 
 
239	}
240
241	dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
242		    evsel ? event_name(evsel) : "FAIL",
243		    event->read.value);
244
245	return 0;
246}
247
248static int perf_report__setup_sample_type(struct perf_report *rep)
 
249{
250	struct perf_session *self = rep->session;
 
 
 
 
 
 
 
 
 
 
 
251
252	if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
253		if (sort__has_parent) {
254			ui__error("Selected --sort parent, but no "
255				    "callchain data. Did you call "
256				    "'perf record' without -g?\n");
257			return -EINVAL;
258		}
259		if (symbol_conf.use_callchain) {
260			ui__error("Selected -g but no callchain data. Did "
261				    "you call 'perf record' without -g?\n");
 
262			return -1;
263		}
264	} else if (!rep->dont_use_callchains &&
265		   callchain_param.mode != CHAIN_NONE &&
266		   !symbol_conf.use_callchain) {
267			symbol_conf.use_callchain = true;
268			if (callchain_register_param(&callchain_param) < 0) {
269				ui__error("Can't register callchain params.\n");
270				return -EINVAL;
271			}
272	}
273
274	if (sort__branch_mode == 1) {
275		if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) {
 
 
 
 
 
 
 
 
 
276			ui__error("Selected -b but no branch data. "
277				  "Did you call perf record without -b?\n");
278			return -1;
279		}
280	}
281
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
282	return 0;
283}
284
285extern volatile int session_done;
286
287static void sig_handler(int sig __used)
288{
289	session_done = 1;
290}
291
292static size_t hists__fprintf_nr_sample_events(struct hists *self,
293					      const char *evname, FILE *fp)
294{
295	size_t ret;
296	char unit;
297	unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
298	u64 nr_events = self->stats.total_period;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
299
300	nr_samples = convert_unit(nr_samples, &unit);
301	ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
302	if (evname != NULL)
303		ret += fprintf(fp, " of event '%s'", evname);
304
305	ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
 
 
 
 
 
 
 
 
 
 
 
 
 
306	return ret + fprintf(fp, "\n#\n");
307}
308
309static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
310					 struct perf_report *rep,
311					 const char *help)
312{
313	struct perf_evsel *pos;
314
315	list_for_each_entry(pos, &evlist->entries, node) {
316		struct hists *hists = &pos->hists;
317		const char *evname = event_name(pos);
 
318
319		hists__fprintf_nr_sample_events(hists, evname, stdout);
320		hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
 
 
 
 
 
321		fprintf(stdout, "\n\n");
322	}
323
324	if (sort_order == default_sort_order &&
325	    parent_pattern == default_parent_pattern) {
326		fprintf(stdout, "#\n# (%s)\n#\n", help);
327
328		if (rep->show_threads) {
329			bool style = !strcmp(rep->pretty_printing_style, "raw");
330			perf_read_values_display(stdout, &rep->show_threads_values,
331						 style);
332			perf_read_values_destroy(&rep->show_threads_values);
333		}
334	}
335
336	return 0;
337}
338
339static int __cmd_report(struct perf_report *rep)
340{
341	int ret = -EINVAL;
342	u64 nr_samples;
343	struct perf_session *session = rep->session;
344	struct perf_evsel *pos;
345	struct map *kernel_map;
346	struct kmap *kernel_kmap;
347	const char *help = "For a higher level overview, try: perf report --sort comm,dso";
348
349	signal(SIGINT, sig_handler);
350
351	if (rep->cpu_list) {
352		ret = perf_session__cpu_bitmap(session, rep->cpu_list,
353					       rep->cpu_bitmap);
354		if (ret)
355			goto out_delete;
356	}
357
358	if (use_browser <= 0)
359		perf_session__fprintf_info(session, stdout, rep->show_full_info);
360
361	if (rep->show_threads)
362		perf_read_values_init(&rep->show_threads_values);
363
364	ret = perf_report__setup_sample_type(rep);
365	if (ret)
366		goto out_delete;
367
368	ret = perf_session__process_events(session, &rep->tool);
369	if (ret)
370		goto out_delete;
371
372	kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION];
373	kernel_kmap = map__kmap(kernel_map);
374	if (kernel_map == NULL ||
375	    (kernel_map->dso->hit &&
376	     (kernel_kmap->ref_reloc_sym == NULL ||
377	      kernel_kmap->ref_reloc_sym->addr == 0))) {
378		const char *desc =
379		    "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
380		    "can't be resolved.";
381
382		if (kernel_map) {
383			const struct dso *kdso = kernel_map->dso;
384			if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
385				desc = "If some relocation was applied (e.g. "
386				       "kexec) symbols may be misresolved.";
387			}
388		}
389
390		ui__warning(
391"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
392"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
393"Samples in kernel modules can't be resolved as well.\n\n",
394		desc);
395	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
396
397	if (dump_trace) {
398		perf_session__fprintf_nr_events(session, stdout);
399		goto out_delete;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
400	}
401
402	if (verbose > 3)
403		perf_session__fprintf(session, stdout);
 
 
 
 
 
 
404
405	if (verbose > 2)
406		perf_session__fprintf_dsos(session, stdout);
407
408	nr_samples = 0;
409	list_for_each_entry(pos, &session->evlist->entries, node) {
410		struct hists *hists = &pos->hists;
411
412		if (pos->idx == 0)
413			hists->symbol_filter_str = rep->symbol_filter_str;
414
415		hists__collapse_resort(hists);
416		hists__output_resort(hists);
417		nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
418	}
419
420	if (nr_samples == 0) {
421		ui__error("The %s file has no samples!\n", session->filename);
422		goto out_delete;
423	}
424
425	if (use_browser > 0) {
426		if (use_browser == 1) {
427			perf_evlist__tui_browse_hists(session->evlist, help,
428						      NULL, NULL, 0);
429		} else if (use_browser == 2) {
430			perf_evlist__gtk_browse_hists(session->evlist, help,
431						      NULL, NULL, 0);
432		}
433	} else
434		perf_evlist__tty_browse_hists(session->evlist, rep, help);
435
436out_delete:
437	/*
438	 * Speed up the exit process, for large files this can
439	 * take quite a while.
440	 *
441	 * XXX Enable this when using valgrind or if we ever
442	 * librarize this command.
443	 *
444	 * Also experiment with obstacks to see how much speed
445	 * up we'll get here.
446	 *
447 	 * perf_session__delete(session);
448 	 */
449	return ret;
450}
451
452static int
453parse_callchain_opt(const struct option *opt, const char *arg, int unset)
454{
455	struct perf_report *rep = (struct perf_report *)opt->value;
456	char *tok, *tok2;
457	char *endptr;
458
459	/*
460	 * --no-call-graph
461	 */
462	if (unset) {
463		rep->dont_use_callchains = true;
464		return 0;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
465	}
466
467	symbol_conf.use_callchain = true;
 
 
 
 
468
469	if (!arg)
470		return 0;
 
 
 
471
472	tok = strtok((char *)arg, ",");
473	if (!tok)
474		return -1;
475
476	/* get the output mode */
477	if (!strncmp(tok, "graph", strlen(arg)))
478		callchain_param.mode = CHAIN_GRAPH_ABS;
479
480	else if (!strncmp(tok, "flat", strlen(arg)))
481		callchain_param.mode = CHAIN_FLAT;
 
482
483	else if (!strncmp(tok, "fractal", strlen(arg)))
484		callchain_param.mode = CHAIN_GRAPH_REL;
485
486	else if (!strncmp(tok, "none", strlen(arg))) {
487		callchain_param.mode = CHAIN_NONE;
488		symbol_conf.use_callchain = false;
 
 
 
489
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
490		return 0;
491	}
492
493	else
494		return -1;
495
496	/* get the min percentage */
497	tok = strtok(NULL, ",");
498	if (!tok)
499		goto setup;
500
501	callchain_param.min_percent = strtod(tok, &endptr);
502	if (tok == endptr)
503		return -1;
 
504
505	/* get the print limit */
506	tok2 = strtok(NULL, ",");
507	if (!tok2)
508		goto setup;
509
510	if (tok2[0] != 'c') {
511		callchain_param.print_limit = strtoul(tok2, &endptr, 0);
512		tok2 = strtok(NULL, ",");
513		if (!tok2)
514			goto setup;
515	}
516
517	/* get the call chain order */
518	if (!strcmp(tok2, "caller"))
519		callchain_param.order = ORDER_CALLER;
520	else if (!strcmp(tok2, "callee"))
521		callchain_param.order = ORDER_CALLEE;
522	else
523		return -1;
524setup:
525	if (callchain_register_param(&callchain_param) < 0) {
526		fprintf(stderr, "Can't register callchain params\n");
527		return -1;
 
 
 
 
 
528	}
 
 
 
 
 
 
 
 
 
 
 
529	return 0;
530}
531
532static int
533parse_branch_mode(const struct option *opt __used, const char *str __used, int unset)
 
534{
535	sort__branch_mode = !unset;
 
 
 
 
536	return 0;
537}
538
539int cmd_report(int argc, const char **argv, const char *prefix __used)
 
 
 
 
 
 
540{
541	struct perf_session *session;
 
542	struct stat st;
543	bool has_br_stack = false;
544	int ret = -1;
545	char callchain_default_opt[] = "fractal,0.5,callee";
 
546	const char * const report_usage[] = {
547		"perf report [<options>]",
548		NULL
549	};
550	struct perf_report report = {
551		.tool = {
552			.sample		 = process_sample_event,
553			.mmap		 = perf_event__process_mmap,
 
554			.comm		 = perf_event__process_comm,
555			.exit		 = perf_event__process_task,
556			.fork		 = perf_event__process_task,
557			.lost		 = perf_event__process_lost,
558			.read		 = process_read_event,
559			.attr		 = perf_event__process_attr,
560			.event_type	 = perf_event__process_event_type,
561			.tracing_data	 = perf_event__process_tracing_data,
562			.build_id	 = perf_event__process_build_id,
563			.ordered_samples = true,
 
 
 
564			.ordering_requires_timestamps = true,
565		},
 
566		.pretty_printing_style	 = "normal",
 
567	};
568	const struct option options[] = {
569	OPT_STRING('i', "input", &report.input_name, "file",
570		    "input file name"),
571	OPT_INCR('v', "verbose", &verbose,
572		    "be more verbose (show symbol address, etc)"),
573	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
574		    "dump raw trace in ASCII"),
575	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
576		   "file", "vmlinux pathname"),
577	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
578		   "file", "kallsyms pathname"),
579	OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
580	OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
581		    "load module symbols - WARNING: use only with -k and LIVE kernel"),
582	OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
583		    "Show a column with the number of samples"),
584	OPT_BOOLEAN('T', "threads", &report.show_threads,
585		    "Show per-thread event counters"),
586	OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
587		   "pretty printing style key: normal raw"),
588	OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
589	OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
590	OPT_BOOLEAN(0, "stdio", &report.use_stdio,
591		    "Use the stdio interface"),
 
 
 
592	OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
593		   "sort by key(s): pid, comm, dso, symbol, parent, dso_to,"
594		   " dso_from, symbol_to, symbol_from, mispredict"),
595	OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
 
 
596		    "Show sample percentage for different cpu modes"),
 
 
597	OPT_STRING('p', "parent", &parent_pattern, "regex",
598		   "regex filter to identify parent, see: '--sort parent'"),
599	OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
600		    "Only display entries with parent-match"),
601	OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
602		     "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
603		     "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
 
 
 
 
 
 
 
604	OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
605		    "alias for inverted call graph"),
 
 
 
606	OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
607		   "only consider symbols in these dsos"),
608	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
609		   "only consider symbols in these comms"),
 
 
 
 
610	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
611		   "only consider these symbols"),
612	OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
613		   "only show symbols that (partially) match with this filter"),
614	OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
615		   "width[,width...]",
616		   "don't try to adjust column width, use these fixed values"),
617	OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
618		   "separator for columns, no spaces will be added between "
619		   "columns '.' is reserved."),
620	OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
621		    "Only display entries resolved to a symbol"),
622	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
623		    "Look for files with symbols relative to this directory"),
 
624	OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
625		   "list of cpus to profile"),
626	OPT_BOOLEAN('I', "show-info", &report.show_full_info,
627		    "Display extended information about perf.data file"),
628	OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
629		    "Interleave source code with assembly code (default)"),
630	OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
631		    "Display raw encoding of assembly instructions (default)"),
632	OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
633		   "Specify disassembler style (e.g. -M intel for intel syntax)"),
634	OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
635		    "Show a column with the sum of periods"),
636	OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
637		    "use branch records for histogram filling", parse_branch_mode),
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
638	OPT_END()
639	};
 
 
 
 
 
 
 
 
 
640
641	argc = parse_options(argc, argv, options, report_usage, 0);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
642
643	if (report.use_stdio)
644		use_browser = 0;
645	else if (report.use_tui)
646		use_browser = 1;
647	else if (report.use_gtk)
648		use_browser = 2;
649
650	if (report.inverted_callchain)
651		callchain_param.order = ORDER_CALLER;
 
 
652
653	if (!report.input_name || !strlen(report.input_name)) {
 
 
 
 
654		if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
655			report.input_name = "-";
656		else
657			report.input_name = "perf.data";
658	}
659	session = perf_session__new(report.input_name, O_RDONLY,
660				    report.force, false, &report.tool);
 
 
 
 
661	if (session == NULL)
662		return -ENOMEM;
 
 
 
 
 
 
 
663
664	report.session = session;
665
666	has_br_stack = perf_header__has_feat(&session->header,
667					     HEADER_BRANCH_STACK);
668
669	if (sort__branch_mode == -1 && has_br_stack)
670		sort__branch_mode = 1;
671
672	/* sort__branch_mode could be 0 if --no-branch-stack */
673	if (sort__branch_mode == 1) {
674		/*
675		 * if no sort_order is provided, then specify
676		 * branch-mode specific order
677		 */
678		if (sort_order == default_sort_order)
679			sort_order = "comm,dso_from,symbol_from,"
680				     "dso_to,symbol_to";
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
681
 
682	}
683
684	if (strcmp(report.input_name, "-") != 0)
 
 
 
 
685		setup_browser(true);
686	else
687		use_browser = 0;
688
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
689	/*
690	 * Only in the newt browser we are doing integrated annotation,
691	 * so don't allocate extra space that won't be used in the stdio
692	 * implementation.
693	 */
694	if (use_browser > 0) {
695		symbol_conf.priv_size = sizeof(struct annotation);
696		report.annotate_init  = symbol__annotate_init;
 
697		/*
698 		 * For searching by name on the "Browse map details".
699 		 * providing it only in verbose mode not to bloat too
700 		 * much struct symbol.
701 		 */
702		if (verbose) {
703			/*
704			 * XXX: Need to provide a less kludgy way to ask for
705			 * more space per symbol, the u32 is for the index on
706			 * the ui browser.
707			 * See symbol__browser_index.
708			 */
709			symbol_conf.priv_size += sizeof(u32);
710			symbol_conf.sort_by_name = true;
711		}
712	}
713
714	if (symbol__init() < 0)
715		goto error;
716
717	setup_sorting(report_usage, options);
718
719	if (parent_pattern != default_parent_pattern) {
720		if (sort_dimension__add("parent") < 0)
721			goto error;
722
723		/*
724		 * Only show the parent fields if we explicitly
725		 * sort that way. If we only use parent machinery
726		 * for filtering, we don't want it.
727		 */
728		if (!strstr(sort_order, "parent"))
729			sort_parent.elide = 1;
730	} else
731		symbol_conf.exclude_other = false;
732
733	if (argc) {
734		/*
735		 * Special case: if there's an argument left then assume that
736		 * it's a symbol filter:
737		 */
738		if (argc > 1)
739			usage_with_options(report_usage, options);
740
741		report.symbol_filter_str = argv[0];
742	}
743
744	sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
745
746	if (sort__branch_mode == 1) {
747		sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
748		sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
749		sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
750		sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
751	} else {
752		sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
753		sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
754	}
755
756	ret = __cmd_report(&report);
 
 
 
 
 
 
757error:
758	perf_session__delete(session);
759	return ret;
760}