Commit 47729258 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf tools: Move 'struct events_stats' and prototypes to separate header

This will allow us to untangle the header dependency a bit more, as some
places will not need event.h anymore.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-enqncj29ovzaat3cd9203rwl@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 171f7474
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+5 −0
Original line number Diff line number Diff line
@@ -30,6 +30,11 @@ struct record_opts;
struct perf_record_auxtrace_info;
struct events_stats;

enum auxtrace_error_type {
       PERF_AUXTRACE_ERROR_ITRACE  = 1,
       PERF_AUXTRACE_ERROR_MAX
};

/* Auxtrace records must have the same alignment as perf event records */
#define PERF_AUXTRACE_RECORD_ALIGNMENT 8

+0 −42
Original line number Diff line number Diff line
@@ -151,11 +151,6 @@ struct perf_sample {
	 PERF_MEM_S(LOCK, NA) |\
	 PERF_MEM_S(TLB, NA))

enum auxtrace_error_type {
	PERF_AUXTRACE_ERROR_ITRACE  = 1,
	PERF_AUXTRACE_ERROR_MAX
};

/* Attribute type for custom synthesized events */
#define PERF_TYPE_SYNTH		(INT_MAX + 1U)

@@ -277,43 +272,6 @@ static inline void *perf_synth__raw_data(void *p)

#define perf_sample__bad_synth_size(s, d) ((s)->raw_size < sizeof(d) - 4)

/*
 * The kernel collects the number of events it couldn't send in a stretch and
 * when possible sends this number in a PERF_RECORD_LOST event. The number of
 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
 * the sum of all struct perf_record_lost.lost fields reported.
 *
 * The kernel discards mixed up samples and sends the number in a
 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
 * all struct perf_record_lost_samples.lost fields reported.
 *
 * The total_period is needed because by default auto-freq is used, so
 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
 * the total number of low level events, it is necessary to to sum all struct
 * perf_record_sample.period and stash the result in total_period.
 */
struct events_stats {
	u64 total_period;
	u64 total_non_filtered_period;
	u64 total_lost;
	u64 total_lost_samples;
	u64 total_aux_lost;
	u64 total_aux_partial;
	u64 total_invalid_chains;
	u32 nr_events[PERF_RECORD_HEADER_MAX];
	u32 nr_non_filtered_samples;
	u32 nr_lost_warned;
	u32 nr_unknown_events;
	u32 nr_invalid_chains;
	u32 nr_unknown_id;
	u32 nr_unprocessable_samples;
	u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
	u32 nr_proc_map_timeout;
};

enum {
	PERF_STAT_ROUND_TYPE__INTERVAL	= 0,
	PERF_STAT_ROUND_TYPE__FINAL	= 1,
+51 −0
Original line number Diff line number Diff line
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_EVENTS_STATS_
#define __PERF_EVENTS_STATS_

#include <stdio.h>
#include <perf/event.h>
#include <linux/types.h>
#include "auxtrace.h"

/*
 * The kernel collects the number of events it couldn't send in a stretch and
 * when possible sends this number in a PERF_RECORD_LOST event. The number of
 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while
 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is
 * the sum of all struct perf_record_lost.lost fields reported.
 *
 * The kernel discards mixed up samples and sends the number in a
 * PERF_RECORD_LOST_SAMPLES event. The number of lost-samples events is stored
 * in .nr_events[PERF_RECORD_LOST_SAMPLES] while total_lost_samples tells
 * exactly how many samples the kernel in fact dropped, i.e. it is the sum of
 * all struct perf_record_lost_samples.lost fields reported.
 *
 * The total_period is needed because by default auto-freq is used, so
 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get
 * the total number of low level events, it is necessary to to sum all struct
 * perf_record_sample.period and stash the result in total_period.
 */
struct events_stats {
	u64 total_period;
	u64 total_non_filtered_period;
	u64 total_lost;
	u64 total_lost_samples;
	u64 total_aux_lost;
	u64 total_aux_partial;
	u64 total_invalid_chains;
	u32 nr_events[PERF_RECORD_HEADER_MAX];
	u32 nr_non_filtered_samples;
	u32 nr_lost_warned;
	u32 nr_unknown_events;
	u32 nr_invalid_chains;
	u32 nr_unknown_id;
	u32 nr_unprocessable_samples;
	u32 nr_auxtrace_errors[PERF_AUXTRACE_ERROR_MAX];
	u32 nr_proc_map_timeout;
};

void events_stats__inc(struct events_stats *stats, u32 type);

size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);

#endif /* __PERF_EVENTS_STATS_ */
+1 −1
Original line number Diff line number Diff line
@@ -9,7 +9,7 @@
#include <api/fd/array.h>
#include <stdio.h>
#include <internal/evlist.h>
#include "event.h"
#include "events_stats.h"
#include "evsel.h"
#include "mmap.h"
#include <signal.h>
+1 −3
Original line number Diff line number Diff line
@@ -6,8 +6,8 @@
#include <linux/types.h>
#include <pthread.h>
#include "evsel.h"
#include "header.h"
#include "color.h"
#include "events_stats.h"

struct hist_entry;
struct hist_entry_ops;
@@ -190,8 +190,6 @@ void hists__reset_stats(struct hists *hists);
void hists__inc_stats(struct hists *hists, struct hist_entry *h);
void hists__inc_nr_events(struct hists *hists, u32 type);
void hists__inc_nr_samples(struct hists *hists, bool filtered);
void events_stats__inc(struct events_stats *stats, u32 type);
size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);

size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
		      int max_cols, float min_pcnt, FILE *fp,
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