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 "util/data.h"
#include "arch/common.h"

#include <dlfcn.h>
#include <linux/bitmap.h>

struct 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;
	bool			mem_mode;
	bool			header;
	bool			header_only;
	int			max_stack;
	struct perf_read_values	show_threads_values;
	const char		*pretty_printing_style;
	const char		*cpu_list;
	const char		*symbol_filter_str;
	float			min_percent;
	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};

static int 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;
	}
	if (!strcmp(var, "report.percent-limit")) {
		struct report *rep = cb;
		rep->min_percent = strtof(value, NULL);
		return 0;
	}

	return perf_default_config(var, value, cb);
}

static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al,
				      struct perf_sample *sample, struct perf_evsel *evsel,
				      union perf_event *event)
{
	struct report *rep = container_of(tool, struct report, tool);
	struct symbol *parent = NULL;
	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
	struct hist_entry *he;
	struct mem_info *mi, *mx;
	uint64_t cost;
	int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);

	if (err)
		return err;

	mi = machine__resolve_mem(al->machine, al->thread, sample, cpumode);
	if (!mi)
		return -ENOMEM;

	if (rep->hide_unresolved && !al->sym)
		return 0;

	cost = sample->weight;
	if (!cost)
		cost = 1;

	/*
	 * must pass period=weight in order to get the correct
	 * sorting from hists__collapse_resort() which is solely
	 * based on periods. We want sorting be done on nr_events * weight
	 * and this is indirectly achieved by passing period=weight here
	 * and the he_stat__add_period() function.
	 */
	he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi,
				cost, cost, 0);
	if (!he)
		return -ENOMEM;

	if (ui__has_annotation()) {
		err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
		if (err)
			goto out;

		mx = he->mem_info;
		err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx);
		if (err)
			goto out;
	}

	evsel->hists.stats.total_period += cost;
	hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
	err = hist_entry__append_callchain(he, sample);
out:
	return err;
}

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