auxtrace.h (4772925885dac93aa5f00d1c1da93277778099cd) auxtrace.h (f2a39fe84901df2b3d1bec3459b65cee3e8db57c)
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * auxtrace.h: AUX area trace support
4 * Copyright (c) 2013-2015, Intel Corporation.
5 */
6
7#ifndef __PERF_AUXTRACE_H
8#define __PERF_AUXTRACE_H

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13#include <stddef.h>
14#include <linux/list.h>
15#include <linux/perf_event.h>
16#include <linux/types.h>
17#include <asm/bitsperlong.h>
18#include <asm/barrier.h>
19
20#include "event.h"
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * auxtrace.h: AUX area trace support
4 * Copyright (c) 2013-2015, Intel Corporation.
5 */
6
7#ifndef __PERF_AUXTRACE_H
8#define __PERF_AUXTRACE_H

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13#include <stddef.h>
14#include <linux/list.h>
15#include <linux/perf_event.h>
16#include <linux/types.h>
17#include <asm/bitsperlong.h>
18#include <asm/barrier.h>
19
20#include "event.h"
21#include "session.h"
22
23union perf_event;
24struct perf_session;
25struct evlist;
26struct perf_tool;
27struct perf_mmap;
28struct option;
29struct record_opts;

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375 * @head: list of address filters
376 * @cnt: number of address filters
377 */
378struct addr_filters {
379 struct list_head head;
380 int cnt;
381};
382
21
22union perf_event;
23struct perf_session;
24struct evlist;
25struct perf_tool;
26struct perf_mmap;
27struct option;
28struct record_opts;

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374 * @head: list of address filters
375 * @cnt: number of address filters
376 */
377struct addr_filters {
378 struct list_head head;
379 int cnt;
380};
381
382struct auxtrace_cache;
383
383#ifdef HAVE_AUXTRACE_SUPPORT
384
385/*
386 * In snapshot mode the mmapped page is read-only which makes using
387 * __sync_val_compare_and_swap() problematic. However, snapshot mode expects
388 * the buffer is not updated while the snapshot is made (e.g. Intel PT disables
389 * the event) so there is not a race anyway.
390 */

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544void events_stats__auxtrace_error_warn(const struct events_stats *stats);
545
546void addr_filters__init(struct addr_filters *filts);
547void addr_filters__exit(struct addr_filters *filts);
548int addr_filters__parse_bare_filter(struct addr_filters *filts,
549 const char *filter);
550int auxtrace_parse_filters(struct evlist *evlist);
551
384#ifdef HAVE_AUXTRACE_SUPPORT
385
386/*
387 * In snapshot mode the mmapped page is read-only which makes using
388 * __sync_val_compare_and_swap() problematic. However, snapshot mode expects
389 * the buffer is not updated while the snapshot is made (e.g. Intel PT disables
390 * the event) so there is not a race anyway.
391 */

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545void events_stats__auxtrace_error_warn(const struct events_stats *stats);
546
547void addr_filters__init(struct addr_filters *filts);
548void addr_filters__exit(struct addr_filters *filts);
549int addr_filters__parse_bare_filter(struct addr_filters *filts,
550 const char *filter);
551int auxtrace_parse_filters(struct evlist *evlist);
552
552static inline int auxtrace__process_event(struct perf_session *session,
553 union perf_event *event,
554 struct perf_sample *sample,
555 struct perf_tool *tool)
556{
557 if (!session->auxtrace)
558 return 0;
553int auxtrace__process_event(struct perf_session *session, union perf_event *event,
554 struct perf_sample *sample, struct perf_tool *tool);
555int auxtrace__flush_events(struct perf_session *session, struct perf_tool *tool);
556void auxtrace__free_events(struct perf_session *session);
557void auxtrace__free(struct perf_session *session);
559
558
560 return session->auxtrace->process_event(session, event, sample, tool);
561}
562
563static inline int auxtrace__flush_events(struct perf_session *session,
564 struct perf_tool *tool)
565{
566 if (!session->auxtrace)
567 return 0;
568
569 return session->auxtrace->flush_events(session, tool);
570}
571
572static inline void auxtrace__free_events(struct perf_session *session)
573{
574 if (!session->auxtrace)
575 return;
576
577 return session->auxtrace->free_events(session);
578}
579
580static inline void auxtrace__free(struct perf_session *session)
581{
582 if (!session->auxtrace)
583 return;
584
585 return session->auxtrace->free(session);
586}
587
588#define ITRACE_HELP \
589" i: synthesize instructions events\n" \
590" b: synthesize branches events\n" \
591" c: synthesize branches events (calls only)\n" \
592" r: synthesize branches events (returns only)\n" \
593" x: synthesize transactions events\n" \
594" w: synthesize ptwrite events\n" \
595" p: synthesize power events\n" \

--- 185 unchanged lines hidden --- 		559#define ITRACE_HELP \
560" i: synthesize instructions events\n" \
561" b: synthesize branches events\n" \
562" c: synthesize branches events (calls only)\n" \
563" r: synthesize branches events (returns only)\n" \
564" x: synthesize transactions events\n" \
565" w: synthesize ptwrite events\n" \
566" p: synthesize power events\n" \

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