path: root/tools/perf/builtin-report.c

/*
 * builtin-report.c
 *
 * Builtin report command: Analyze the perf.data input file,
 * look up and read DSOs and symbol information and display
 * a histogram of results, along various sorting keys.
 */
#include "builtin.h"

#include "util/util.h"
#include "util/cache.h"

#include "util/annotate.h"
#include "util/color.h"
#include <linux/list.h>
#include <linux/rbtree.h>
#include "util/symbol.h"
#include "util/callchain.h"
#include "util/strlist.h"
#include "util/values.h"

#include "perf.h"
#include "util/debug.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/header.h"
#include "util/session.h"
#include "util/tool.h"

#include "util/parse-options.h"
#include "util/parse-events.h"

#include "util/thread.h"
#include "util/sort.h"
#include "util/hist.h"
#include "arch/common.h"

#include <linux/bitmap.h>

struct perf_report {
	struct perf_tool	tool;
	struct perf_session	*session;
	bool			force, use_tui, use_gtk, use_stdio;
	bool			hide_unresolved;
	bool			dont_use_callchains;
	bool			show_full_info;
	bool			show_threads;
	bool			inverted_callchain;
	struct perf_read_values	show_threads_values;
	const char		*pretty_printing_style;
	symbol_filter_t		annotate_init;
	const char		*cpu_list;
	const char		*symbol_filter_str;
	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};

static int perf_report_config(const char *var, const char *value, void *cb)
{
	if (!strcmp(var, "report.group")) {
		symbol_conf.event_group = perf_config_bool(var, value);
		return 0;
	}

	return perf_default_config(var, value, cb);
}

static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
					struct addr_location *al,
					struct perf_sample *sample,
					struct perf_evsel *evsel,
				      struct machine *machine)
{
	struct perf_report *rep = container_of(tool, struct perf_report, tool);
	struct symbol *parent = NULL;
	int err = 0;
	unsigned i;
	struct hist_entry *he;
	struct branch_info *bi, *bx;

	if ((sort__has_parent || symbol_conf.use_callchain)
	    && sample->callchain) {
		err = machine__resolve_callchain(machine, evsel, al->thread,
						 sample, &parent);
		if (err)
			return err;
	}

	bi = machine__resolve_bstack(machine, al->thread,
				     sample->branch_stack);
	if (!bi)
		return -ENOMEM;

	for (i = 0; i < sample->branch_stack->nr; i++) {
		if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
			continue;
		/*
		 * The report shows the percentage of total branches captured
		 * and not events sampled. Thus we use a pseudo period of 1.
		 */
		he = __hists__add_branch_entry(&evsel->hists, al, parent,
				&bi[i], 1, 1);
		if (he) {
			struct annotation *notes;
			err = -ENOMEM;
			bx = he->branch_info;
			if (bx->from.sym && use_browser == 1 && sort__has_sym) {
				notes = symbol__annotation(bx->from.sym);
				if (!notes->src
				    && symbol__alloc_hist(bx->from.sym) < 0)
					goto out;

				err = symbol__inc_addr_samples(bx->from.sym,
							       bx->from.map,
							       evsel->idx,
							       bx->from.al_addr);
				if (err)
					goto out;
			}

			if (bx->to.sym && use_browser == 1 && sort__has_sym) {
				notes = symbol__annotation(bx->to.sym);
				if (!notes->src
				    && symbol__alloc_hist(bx->to.sym) < 0)
					goto out;

				err = symbol__inc_addr_samples(bx->to.sym,
							       bx->to.map,
							       evsel->idx,
							       bx->to.al_addr);
				if (err)
					goto out;
			}
			evsel->hists.stats.total_period += 1;
			hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
			err = 0;
		} else
			return -ENOMEM;
	}
out:
	return err;
}

static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
				      struct addr_location *al,
				      struct perf_sample *sample,
				      struct machine *machine)
{
	struct symbol *parent = NULL;
	int err = 0;
	struct hist_entry *he;

	if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
		err = machine__resolve_callchain(machine, evsel, al->thread,
						 sample, &parent);
		if (err)
			return err;
	}

	he = __hists__add_entry(&evsel->hists, al, parent, sample->period,
					sample->weight);
	if (he == NULL)
		return -ENOMEM;

	if (symbol_conf.use_callchain) <