#include <endian.h>
#include <errno.h>
#include <byteswap.h>
#include <inttypes.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/log2.h>
#include "cpumap.h"
#include "color.h"
#include "evsel.h"
#include "evlist.h"
#include "machine.h"
#include "session.h"
#include "util.h"
#include "thread.h"
#include "thread-stack.h"
#include "debug.h"
#include "tsc.h"
#include "auxtrace.h"
#include "intel-pt-decoder/intel-pt-insn-decoder.h"
#include "intel-bts.h"

Include dependency graph for intel-bts.c:

Classes
struct	intel_bts

struct	intel_bts_queue

struct	branch

struct	intel_bts_synth

Macros
#define	MAX_TIMESTAMP (~0ULL)

#define	INTEL_BTS_ERR_NOINSN 5

#define	INTEL_BTS_ERR_LOST 9

#define	le64_to_cpu bswap_64

Functions
static void	intel_bts_dump (struct intel_bts bts __maybe_unused, unsigned char buf, size_t len)

static void	intel_bts_dump_event (struct intel_bts bts, unsigned char buf, size_t len)

static int	intel_bts_lost (struct intel_bts bts, struct perf_sample sample)

static struct intel_bts_queue *	intel_bts_alloc_queue (struct intel_bts *bts, unsigned int queue_nr)

static int	intel_bts_setup_queue (struct intel_bts bts, struct auxtrace_queue queue, unsigned int queue_nr)

static int	intel_bts_setup_queues (struct intel_bts *bts)

static int	intel_bts_update_queues (struct intel_bts *bts)

static unsigned char *	intel_bts_find_overlap (unsigned char buf_a, size_t len_a, unsigned char buf_b, size_t len_b)

static int	intel_bts_do_fix_overlap (struct auxtrace_queue queue, struct auxtrace_buffer b)

static int	intel_bts_synth_branch_sample (struct intel_bts_queue btsq, struct branch branch)

static int	intel_bts_get_next_insn (struct intel_bts_queue *btsq, u64 ip)

static int	intel_bts_synth_error (struct intel_bts *bts, int cpu, pid_t pid, pid_t tid, u64 ip)

static int	intel_bts_get_branch_type (struct intel_bts_queue btsq, struct branch branch)

static int	intel_bts_process_buffer (struct intel_bts_queue btsq, struct auxtrace_buffer buffer, struct thread *thread)

static int	intel_bts_process_queue (struct intel_bts_queue btsq, u64 timestamp)

static int	intel_bts_flush_queue (struct intel_bts_queue *btsq)

static int	intel_bts_process_tid_exit (struct intel_bts *bts, pid_t tid)

static int	intel_bts_process_queues (struct intel_bts *bts, u64 timestamp)

static int	intel_bts_process_event (struct perf_session session, union perf_event event, struct perf_sample sample, struct perf_tool tool)

static int	intel_bts_process_auxtrace_event (struct perf_session session, union perf_event event, struct perf_tool *tool __maybe_unused)

static int	intel_bts_flush (struct perf_session session, struct perf_tool tool __maybe_unused)

static void	intel_bts_free_queue (void *priv)

static void	intel_bts_free_events (struct perf_session *session)

static void	intel_bts_free (struct perf_session *session)

static int	intel_bts_event_synth (struct perf_tool tool, union perf_event event, struct perf_sample sample __maybe_unused, struct machine machine __maybe_unused)

static int	intel_bts_synth_event (struct perf_session session, struct perf_event_attr attr, u64 id)

static int	intel_bts_synth_events (struct intel_bts bts, struct perf_session session)

static void	intel_bts_print_info (u64 *arr, int start, int finish)

int	intel_bts_process_auxtrace_info (union perf_event event, struct perf_session session)

Variables
static const char *const	intel_bts_info_fmts []

Macro Definition Documentation

◆ INTEL_BTS_ERR_LOST

#define INTEL_BTS_ERR_LOST 9

Definition at line 43 of file intel-bts.c.

◆ INTEL_BTS_ERR_NOINSN

#define INTEL_BTS_ERR_NOINSN 5

Definition at line 42 of file intel-bts.c.

◆ le64_to_cpu

#define le64_to_cpu bswap_64

Definition at line 46 of file intel-bts.c.

◆ MAX_TIMESTAMP

#define MAX_TIMESTAMP (~0ULL)

Definition at line 40 of file intel-bts.c.

Function Documentation

◆ intel_bts_alloc_queue()

static struct intel_bts_queue* intel_bts_alloc_queue	(	struct intel_bts *	bts,
		unsigned int	queue_nr
	)

static

Definition at line 155 of file intel-bts.c.

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◆ intel_bts_do_fix_overlap()

static int intel_bts_do_fix_overlap	(	struct auxtrace_queue *	queue,
		struct auxtrace_buffer *	b
	)

static

Definition at line 255 of file intel-bts.c.

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◆ intel_bts_dump()

static void intel_bts_dump	(	struct intel_bts *bts	__maybe_unused,
		unsigned char *	buf,
		size_t	len
	)

static

Definition at line 93 of file intel-bts.c.

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◆ intel_bts_dump_event()

static void intel_bts_dump_event	(	struct intel_bts *	bts,
		unsigned char *	buf,
		size_t	len
	)

static

Definition at line 131 of file intel-bts.c.

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◆ intel_bts_event_synth()

static int intel_bts_event_synth	(	struct perf_tool *	tool,
		union perf_event *	event,
		struct perf_sample *sample	__maybe_unused,
		struct machine *machine	__maybe_unused
	)

static

Definition at line 752 of file intel-bts.c.

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◆ intel_bts_find_overlap()

static unsigned char* intel_bts_find_overlap	(	unsigned char *	buf_a,
		size_t	len_a,
		unsigned char *	buf_b,
		size_t	len_b
	)

static

Definition at line 236 of file intel-bts.c.

◆ intel_bts_flush()

static int intel_bts_flush	(	struct perf_session *	session,
		struct perf_tool *tool	__maybe_unused
	)

static

Definition at line 693 of file intel-bts.c.

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◆ intel_bts_flush_queue()

static int intel_bts_flush_queue ( struct intel_bts_queue * btsq )

static

Definition at line 538 of file intel-bts.c.

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◆ intel_bts_free()

static void intel_bts_free ( struct perf_session * session )

static

Definition at line 736 of file intel-bts.c.

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◆ intel_bts_free_events()

static void intel_bts_free_events ( struct perf_session * session )

static

Definition at line 722 of file intel-bts.c.

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◆ intel_bts_free_queue()

static void intel_bts_free_queue ( void * priv )

static

Definition at line 713 of file intel-bts.c.

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◆ intel_bts_get_branch_type()

static int intel_bts_get_branch_type	(	struct intel_bts_queue *	btsq,
		struct branch *	branch
	)

static

Definition at line 378 of file intel-bts.c.

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◆ intel_bts_get_next_insn()

static int intel_bts_get_next_insn	(	struct intel_bts_queue *	btsq,
		u64	ip
	)

static

Definition at line 318 of file intel-bts.c.

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◆ intel_bts_lost()

static int intel_bts_lost	(	struct intel_bts *	bts,
		struct perf_sample *	sample
	)

static

Definition at line 138 of file intel-bts.c.

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◆ intel_bts_print_info()

static void intel_bts_print_info	(	u64 *	arr,
		int	start,
		int	finish
	)

static

Definition at line 853 of file intel-bts.c.

◆ intel_bts_process_auxtrace_event()

static int intel_bts_process_auxtrace_event	(	struct perf_session *	session,
		union perf_event *	event,
		struct perf_tool *tool	__maybe_unused
	)

static

Definition at line 651 of file intel-bts.c.

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◆ intel_bts_process_auxtrace_info()

int intel_bts_process_auxtrace_info	(	union perf_event *	event,
		struct perf_session *	session
	)

Definition at line 864 of file intel-bts.c.

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◆ intel_bts_process_buffer()

static int intel_bts_process_buffer	(	struct intel_bts_queue *	btsq,
		struct auxtrace_buffer *	buffer,
		struct thread *	thread
	)

static

Definition at line 422 of file intel-bts.c.

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◆ intel_bts_process_event()

static int intel_bts_process_event	(	struct perf_session *	session,
		union perf_event *	event,
		struct perf_sample *	sample,
		struct perf_tool *	tool
	)

static

Definition at line 607 of file intel-bts.c.

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◆ intel_bts_process_queue()

static int intel_bts_process_queue	(	struct intel_bts_queue *	btsq,
		u64 *	timestamp
	)

static

Definition at line 461 of file intel-bts.c.

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◆ intel_bts_process_queues()

static int intel_bts_process_queues	(	struct intel_bts *	bts,
		u64	timestamp
	)

static

Definition at line 568 of file intel-bts.c.

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◆ intel_bts_process_tid_exit()

static int intel_bts_process_tid_exit	(	struct intel_bts *	bts,
		pid_t	tid
	)

static

Definition at line 553 of file intel-bts.c.

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◆ intel_bts_setup_queue()

static int intel_bts_setup_queue	(	struct intel_bts *	bts,
		struct auxtrace_queue *	queue,
		unsigned int	queue_nr
	)

static

Definition at line 173 of file intel-bts.c.

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◆ intel_bts_setup_queues()

static int intel_bts_setup_queues ( struct intel_bts * bts )

static

Definition at line 213 of file intel-bts.c.

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◆ intel_bts_synth_branch_sample()

static int intel_bts_synth_branch_sample	(	struct intel_bts_queue *	btsq,
		struct branch *	branch
	)

static

Definition at line 272 of file intel-bts.c.

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◆ intel_bts_synth_error()

static int intel_bts_synth_error	(	struct intel_bts *	bts,
		int	cpu,
		pid_t	pid,
		pid_t	tid,
		u64	ip
	)

static

Definition at line 360 of file intel-bts.c.

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◆ intel_bts_synth_event()

static int intel_bts_synth_event	(	struct perf_session *	session,
		struct perf_event_attr *	attr,
		u64	id
	)

static

Definition at line 764 of file intel-bts.c.

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◆ intel_bts_synth_events()

static int intel_bts_synth_events	(	struct intel_bts *	bts,
		struct perf_session *	session
	)

static

Definition at line 776 of file intel-bts.c.

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◆ intel_bts_update_queues()

static int intel_bts_update_queues ( struct intel_bts * bts )

inlinestatic

Definition at line 227 of file intel-bts.c.

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Variable Documentation

◆ intel_bts_info_fmts

const char* const intel_bts_info_fmts[]

static

Initial value:

= {
    [INTEL_BTS_PMU_TYPE]        = "  PMU Type           %"PRId64"\n",
    [INTEL_BTS_TIME_SHIFT]      = "  Time Shift         %"PRIu64"\n",
    [INTEL_BTS_TIME_MULT]       = "  Time Muliplier     %"PRIu64"\n",
    [INTEL_BTS_TIME_ZERO]       = "  Time Zero          %"PRIu64"\n",
    [INTEL_BTS_CAP_USER_TIME_ZERO]  = "  Cap Time Zero      %"PRId64"\n",
    [INTEL_BTS_SNAPSHOT_MODE]   = "  Snapshot mode      %"PRId64"\n",
}

Definition at line 844 of file intel-bts.c.

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ INTEL_BTS_ERR_LOST

◆ INTEL_BTS_ERR_NOINSN

◆ le64_to_cpu

◆ MAX_TIMESTAMP

Function Documentation

◆ intel_bts_alloc_queue()

◆ intel_bts_do_fix_overlap()

◆ intel_bts_dump()

◆ intel_bts_dump_event()

◆ intel_bts_event_synth()

◆ intel_bts_find_overlap()

◆ intel_bts_flush()

◆ intel_bts_flush_queue()

◆ intel_bts_free()

◆ intel_bts_free_events()

◆ intel_bts_free_queue()

◆ intel_bts_get_branch_type()

◆ intel_bts_get_next_insn()

◆ intel_bts_lost()

◆ intel_bts_print_info()

◆ intel_bts_process_auxtrace_event()

◆ intel_bts_process_auxtrace_info()

◆ intel_bts_process_buffer()

◆ intel_bts_process_event()

◆ intel_bts_process_queue()

◆ intel_bts_process_queues()

◆ intel_bts_process_tid_exit()

◆ intel_bts_setup_queue()

◆ intel_bts_setup_queues()

◆ intel_bts_synth_branch_sample()

◆ intel_bts_synth_error()

◆ intel_bts_synth_event()

◆ intel_bts_synth_events()

◆ intel_bts_update_queues()

Variable Documentation

◆ intel_bts_info_fmts