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/config.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 <subcmd/parse-options.h>
#include <subcmd/exec-cmd.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 "util/auxtrace.h"

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

struct report {
	struct perf_tool	tool;
	struct perf_session	*session;
	bool			use_tui, use_gtk, use_stdio;
	bool			show_full_info;
	bool			show_threads;
	bool			inverted_callchain;
	bool			mem_mode;
	bool			header;
	bool			header_only;
	bool			nonany_branch_mode;
	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;
	u64			nr_entries;
	u64			queue_size;
	int			socket_filter;
	DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};

static int report__config(const char *var, const char *value, void *cb)
{
	struct report *rep = cb;

	if (!strcmp(var, "report.group")) {
		symbol_conf.event_group = perf_config_bool(var, value);
		return 0;
	}
	if (!strcmp(var, "report.percent-limit")) {
		double pcnt = strtof(value, NULL);

		rep->min_percent = pcnt;
		callchain_param.min_percent = pcnt;
		return 0;
	}
	if (!strcmp(var, "report.children")) {
		symbol_conf.cumulate_callchain = perf_config_bool(var, value);
		return 0;
	}
	if (!strcmp(var, "report.queue-size")) {
		rep->queue_size = perf_config_u64(var, value);
		return 0;
	}
	if (!strcmp(var, "report.sort_order")) {
		default_sort_order = strdup(value);
		return 0;
	}

	return 0;
}

static int hist_iter__report_callback(struct hist_entry_iter *iter,
				      struct addr_location *al, bool single,
				      void *arg)
{
	int err = 0;
	struct report *rep = arg;
	struct hist_entry *he = iter->he;
	struct perf_evsel *evsel = iter->evsel;
	struct mem_info *mi;
	struct branch_info *bi;

	if (!ui__has_annotation())
		return 0;

	hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
			     rep->nonany_branch_mode);

	if (sort__mode == SORT_MODE__BRANCH) {
		bi = he->branch_info;
		err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
		if (err)
			goto out;

		err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);

	} else if (rep->mem_mode) {
		mi = he->mem_info;
		err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
		if (err)
			goto out;

		err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);

	} else if (symbol_conf.cumulate_callchain) {
		if (single)
			err = hist_entry__inc_addr_samples(he, evsel->idx,
							   al->addr);
	} else {
		err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
	}

out:
	return err;
}

static int process_sample_event(struct perf_tool *tool,
				union perf_event *event,
				struct perf_sample *sample,
				struct perf_evsel *evsel,
				struct machine *machine)
{
	struct report *rep = container_of(tool, struct report, tool);
	struct addr_location al;
	struct hist_entry_iter iter = {
		.evsel 			= evsel,
		.sample 		= sample,
		.hide_unresolved 	= symbol_conf.hide_unresolved,
		.add_entry_cb 		= hist_iter__report_callback,
	};
	int ret = 0;

	if (machine__resolve(machine, &al, sample) < 0) {
		pr_debug("problem processing %d event, skipping it.\n",
			 event->header.type);
		return -1;
	}

	if (symbol_conf.hide_unresolved && al.sym == NULL)
		goto out_put;

	if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
		goto out_put;

	if (sort__mode == SORT_MODE__BRANCH) {
		/*
		 * A non-synthesized event might not have a branch stack if
		 * branch stacks have been synthesized (using itrace options).
		 */
		if (!sample->branch_stack)
			goto out_put;
		iter.ops = &hist_iter_branch;
	} else if (rep->mem_mode) {
		iter.ops =