#include <api/fs/fs.h>
#include <linux/bitops.h>
#include <linux/compiler.h>
#include <linux/coresight-pmu.h>
#include <linux/kernel.h>
#include <linux/log2.h>
#include <linux/types.h>
#include "cs-etm.h"
#include "../../perf.h"
#include "../../util/auxtrace.h"
#include "../../util/cpumap.h"
#include "../../util/evlist.h"
#include "../../util/evsel.h"
#include "../../util/pmu.h"
#include "../../util/thread_map.h"
#include "../../util/cs-etm.h"
#include <stdlib.h>
#include <sys/stat.h>

Include dependency graph for cs-etm.c:

Classes
struct	cs_etm_recording

Macros
#define	ENABLE_SINK_MAX 128

#define	CS_BUS_DEVICE_PATH "/bus/coresight/devices/"

#define	BIT(N) (1UL << (N))

Functions
static bool	cs_etm_is_etmv4 (struct auxtrace_record *itr, int cpu)

static int	cs_etm_parse_snapshot_options (struct auxtrace_record itr, struct record_opts opts, const char *str)

static int	cs_etm_recording_options (struct auxtrace_record itr, struct perf_evlist evlist, struct record_opts *opts)

static u64	cs_etm_get_config (struct auxtrace_record *itr)

static u64	cs_etmv4_get_config (struct auxtrace_record *itr)

static size_t	cs_etm_info_priv_size (struct auxtrace_record itr __maybe_unused, struct perf_evlist evlist __maybe_unused)

static int	cs_etm_get_ro (struct perf_pmu pmu, int cpu, const char path)

static void	cs_etm_get_metadata (int cpu, u32 offset, struct auxtrace_record itr, struct auxtrace_info_event *info)

static int	cs_etm_info_fill (struct auxtrace_record itr, struct perf_session session, struct auxtrace_info_event *info, size_t priv_size)

static int	cs_etm_find_snapshot (struct auxtrace_record itr __maybe_unused, int idx, struct auxtrace_mmap mm, unsigned char data __maybe_unused, u64 head, u64 *old)

static int	cs_etm_snapshot_start (struct auxtrace_record *itr)

static int	cs_etm_snapshot_finish (struct auxtrace_record *itr)

static u64	cs_etm_reference (struct auxtrace_record *itr __maybe_unused)

static void	cs_etm_recording_free (struct auxtrace_record *itr)

static int	cs_etm_read_finish (struct auxtrace_record *itr, int idx)

struct auxtrace_record *	cs_etm_record_init (int *err)

static FILE *	cs_device__open_file (const char *name)

static int	__printf (2, 3)

int	cs_etm_set_drv_config (struct perf_evsel_config_term *term)

Variables
static const char *	metadata_etmv3_ro [CS_ETM_PRIV_MAX]

static const char *	metadata_etmv4_ro [CS_ETMV4_PRIV_MAX]

Macro Definition Documentation

◆ BIT

#define BIT ( N ) (1UL << (N))

Definition at line 259 of file cs-etm.c.

◆ CS_BUS_DEVICE_PATH

#define CS_BUS_DEVICE_PATH "/bus/coresight/devices/"

Definition at line 29 of file cs-etm.c.

◆ ENABLE_SINK_MAX

#define ENABLE_SINK_MAX 128

Definition at line 28 of file cs-etm.c.

Function Documentation

◆ __printf()

static int __printf	(	2	,
		3
	)

static

Definition at line 622 of file cs-etm.c.

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◆ cs_device__open_file()

static FILE* cs_device__open_file ( const char * name )

static

Definition at line 602 of file cs-etm.c.

◆ cs_etm_find_snapshot()

static int cs_etm_find_snapshot	(	struct auxtrace_record *itr	__maybe_unused,
		int	idx,
		struct auxtrace_mmap *	mm,
		unsigned char *data	__maybe_unused,
		u64 *	head,
		u64 *	old
	)

static

Definition at line 498 of file cs-etm.c.

◆ cs_etm_get_config()

static u64 cs_etm_get_config ( struct auxtrace_record * itr )

static

Definition at line 231 of file cs-etm.c.

◆ cs_etm_get_metadata()

static void cs_etm_get_metadata	(	int	cpu,
		u32 *	offset,
		struct auxtrace_record *	itr,
		struct auxtrace_info_event *	info
	)

static

Definition at line 376 of file cs-etm.c.

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◆ cs_etm_get_ro()

static int cs_etm_get_ro	(	struct perf_pmu *	pmu,
		int	cpu,
		const char *	path
	)

static

Definition at line 360 of file cs-etm.c.

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◆ cs_etm_info_fill()

static int cs_etm_info_fill	(	struct auxtrace_record *	itr,
		struct perf_session *	session,
		struct auxtrace_info_event *	info,
		size_t	priv_size
	)

static

Definition at line 441 of file cs-etm.c.

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◆ cs_etm_info_priv_size()

static size_t cs_etm_info_priv_size	(	struct auxtrace_record *itr	__maybe_unused,
		struct perf_evlist *evlist	__maybe_unused
	)

static

Definition at line 285 of file cs-etm.c.

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◆ cs_etm_is_etmv4()

static bool cs_etm_is_etmv4	(	struct auxtrace_record *	itr,
		int	cpu
	)

static

Definition at line 338 of file cs-etm.c.

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◆ cs_etm_parse_snapshot_options()

static int cs_etm_parse_snapshot_options	(	struct auxtrace_record *	itr,
		struct record_opts *	opts,
		const char *	str
	)

static

Definition at line 41 of file cs-etm.c.

◆ cs_etm_read_finish()

static int cs_etm_read_finish	(	struct auxtrace_record *	itr,
		int	idx
	)

static

Definition at line 551 of file cs-etm.c.

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◆ cs_etm_record_init()

struct auxtrace_record* cs_etm_record_init ( int * err )

Definition at line 566 of file cs-etm.c.

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◆ cs_etm_recording_free()

static void cs_etm_recording_free ( struct auxtrace_record * itr )

static

Definition at line 544 of file cs-etm.c.

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◆ cs_etm_recording_options()

static int cs_etm_recording_options	(	struct auxtrace_record *	itr,
		struct perf_evlist *	evlist,
		struct record_opts *	opts
	)

static

Definition at line 63 of file cs-etm.c.

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◆ cs_etm_reference()

static u64 cs_etm_reference ( struct auxtrace_record *itr __maybe_unused )

static

Definition at line 538 of file cs-etm.c.

◆ cs_etm_set_drv_config()

int cs_etm_set_drv_config ( struct perf_evsel_config_term * term )

Definition at line 638 of file cs-etm.c.

◆ cs_etm_snapshot_finish()

static int cs_etm_snapshot_finish ( struct auxtrace_record * itr )

static

Definition at line 525 of file cs-etm.c.

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◆ cs_etm_snapshot_start()

static int cs_etm_snapshot_start ( struct auxtrace_record * itr )

static

Definition at line 512 of file cs-etm.c.

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◆ cs_etmv4_get_config()

static u64 cs_etmv4_get_config ( struct auxtrace_record * itr )

static

Definition at line 262 of file cs-etm.c.

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Variable Documentation

◆ metadata_etmv3_ro

const char* metadata_etmv3_ro[CS_ETM_PRIV_MAX]

static

Initial value:

= {
    [CS_ETM_ETMCCER]    = "mgmt/etmccer",
    [CS_ETM_ETMIDR]     = "mgmt/etmidr",
}

Definition at line 325 of file cs-etm.c.

◆ metadata_etmv4_ro

const char* metadata_etmv4_ro[CS_ETMV4_PRIV_MAX]

static

Initial value:

= {
    [CS_ETMV4_TRCIDR0]      = "trcidr/trcidr0",
    [CS_ETMV4_TRCIDR1]      = "trcidr/trcidr1",
    [CS_ETMV4_TRCIDR2]      = "trcidr/trcidr2",
    [CS_ETMV4_TRCIDR8]      = "trcidr/trcidr8",
    [CS_ETMV4_TRCAUTHSTATUS]    = "mgmt/trcauthstatus",
}

Definition at line 330 of file cs-etm.c.

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ BIT

◆ CS_BUS_DEVICE_PATH

◆ ENABLE_SINK_MAX

Function Documentation

◆ __printf()

◆ cs_device__open_file()

◆ cs_etm_find_snapshot()

◆ cs_etm_get_config()

◆ cs_etm_get_metadata()

◆ cs_etm_get_ro()

◆ cs_etm_info_fill()

◆ cs_etm_info_priv_size()

◆ cs_etm_is_etmv4()

◆ cs_etm_parse_snapshot_options()

◆ cs_etm_read_finish()

◆ cs_etm_record_init()

◆ cs_etm_recording_free()

◆ cs_etm_recording_options()

◆ cs_etm_reference()

◆ cs_etm_set_drv_config()

◆ cs_etm_snapshot_finish()

◆ cs_etm_snapshot_start()

◆ cs_etmv4_get_config()

Variable Documentation

◆ metadata_etmv3_ro

◆ metadata_etmv4_ro