#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <math.h>
#include <sys/syscall.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <linux/perf_event.h>
#include <linux/version.h>
#include <monitor.h>
#include "sample-sources/simple_oo.h"
#include "sample-sources/sample_source_obj.h"
#include "sample-sources/common.h"
#include "sample-sources/ss-errno.h"
#include <hpcrun/cct_insert_backtrace.h>
#include <hpcrun/files.h>
#include <hpcrun/hpcrun_stats.h>
#include <hpcrun/loadmap.h>
#include <hpcrun/messages/messages.h>
#include <hpcrun/metrics.h>
#include <hpcrun/safe-sampling.h>
#include <hpcrun/sample_event.h>
#include <hpcrun/sample_sources_registered.h>
#include <hpcrun/sample-sources/blame-shift/blame-shift.h>
#include <hpcrun/utilities/tokenize.h>
#include <hpcrun/utilities/arch/context-pc.h>
#include <evlist.h>
#include <limits.h>
#include <lib/prof-lean/hpcrun-metric.h>
#include <lib/support-lean/OSUtil.h>
#include <include/linux_info.h>
#include "perfmon-util.h"
#include "perf-util.h"
#include "perf_mmap.h"
#include "perf_skid.h"
#include "perf_event_open.h"
#include "event_custom.h"
#include "sample-sources/display.h"
#include "kernel_blocking.h"
#include "sample-sources/datacentric/datacentric.h"
#include "sample-sources/datacentric/memaddress.h"
#include "lib/support-lean/compress.h"
#include "sample-sources/ss_obj.h"

Macros
#define	LINUX_PERF_DEBUG 0

#define	DEFAULT_THRESHOLD HPCRUN_DEFAULT_SAMPLE_RATE

#define	sigev_notify_thread_id _sigev_un._tid

#define	PERF_SIGNAL (SIGRTMIN+4)

#define	PERF_EVENT_AVAILABLE_UNKNOWN 0

#define	PERF_EVENT_AVAILABLE_NO 1

#define	PERF_EVENT_AVAILABLE_YES 2

#define	PERF_MULTIPLEX_RANGE 1.2

#define	FILE_BUFFER_SIZE (1024*1024)

#define	DEFAULT_COMPRESSION 5

#define	PERIOD_THRESHOLD 1

#define	PERIOD_FREQUENCY 2

#define	PERIOD_DEFAULT 0

#define	PERF_FD_FINALIZED (-2)

#define	ss_name linux_perf

#define	ss_cls SS_HARDWARE

#define	ss_sort_order 60

Functions
static void	perf_thread_fini (int nevents, event_thread_t *event_thread)

static int	perf_event_handler (int sig, siginfo_t siginfo, void context)

static int	perf_was_finalized (int nevents, event_thread_t *event_thread)

static void	perf_start_all (int nevents, event_thread_t *event_thread)

static void	perf_stop_all (int nevents, event_thread_t *event_thread)

static int	perf_get_pmu_support (const char name, struct perf_event_attr event_attr)

static int	copy_kallsyms ()

static void	perf_init ()

static bool	perf_thread_init (event_info_t event, event_thread_t et)

static int	get_fd_index (int nevents, int fd, event_thread_t *event_thread)

static double	record_sample (event_thread_t current, perf_mmap_data_t mmap_data, void context, int metric, int freq, sample_val_t sv)

static size_t	exist_precise_ip_modifier (const char *original_event)

static void	METHOD_FN (init)

static void	METHOD_FN (thread_init)

static void	METHOD_FN (thread_init_action)

static void	METHOD_FN (start)

static void	METHOD_FN (thread_fini_action)

static void	METHOD_FN (stop)

static void	METHOD_FN (shutdown)

static bool	METHOD_FN (supports_event, const char *ev_str)

static void	METHOD_FN (process_event_list, int lush_metrics)

static void	METHOD_FN (gen_event_set, int lush_metrics)

static void	METHOD_FN (display_events)

long	read_fd (int fd)

Variables
static const struct timespec	nowait = {0, 0}

__thread bool	hpcrun_thread_suppress_sample

Macro Definition Documentation

◆ DEFAULT_COMPRESSION

#define DEFAULT_COMPRESSION 5

Definition at line 166 of file linux_perf.c.

◆ DEFAULT_THRESHOLD

#define DEFAULT_THRESHOLD HPCRUN_DEFAULT_SAMPLE_RATE

Definition at line 145 of file linux_perf.c.

◆ FILE_BUFFER_SIZE

#define FILE_BUFFER_SIZE (1024*1024)

Definition at line 164 of file linux_perf.c.

◆ LINUX_PERF_DEBUG

#define LINUX_PERF_DEBUG 0

Definition at line 135 of file linux_perf.c.

◆ PERF_EVENT_AVAILABLE_NO

#define PERF_EVENT_AVAILABLE_NO 1

Definition at line 159 of file linux_perf.c.

◆ PERF_EVENT_AVAILABLE_UNKNOWN

#define PERF_EVENT_AVAILABLE_UNKNOWN 0

Definition at line 158 of file linux_perf.c.

◆ PERF_EVENT_AVAILABLE_YES

#define PERF_EVENT_AVAILABLE_YES 2

Definition at line 160 of file linux_perf.c.

◆ PERF_FD_FINALIZED

#define PERF_FD_FINALIZED (-2)

Definition at line 172 of file linux_perf.c.

◆ PERF_MULTIPLEX_RANGE

#define PERF_MULTIPLEX_RANGE 1.2

Definition at line 162 of file linux_perf.c.

◆ PERF_SIGNAL

#define PERF_SIGNAL (SIGRTMIN+4)

Definition at line 156 of file linux_perf.c.

◆ PERIOD_DEFAULT

#define PERIOD_DEFAULT 0

Definition at line 170 of file linux_perf.c.

◆ PERIOD_FREQUENCY

#define PERIOD_FREQUENCY 2

Definition at line 169 of file linux_perf.c.

◆ PERIOD_THRESHOLD

#define PERIOD_THRESHOLD 1

Definition at line 168 of file linux_perf.c.

◆ sigev_notify_thread_id

#define sigev_notify_thread_id _sigev_un._tid

Definition at line 148 of file linux_perf.c.

◆ ss_cls

#define ss_cls SS_HARDWARE

Definition at line 1005 of file linux_perf.c.

◆ ss_name

#define ss_name linux_perf

Definition at line 1004 of file linux_perf.c.

◆ ss_sort_order

#define ss_sort_order 60

Definition at line 1006 of file linux_perf.c.

Function Documentation

◆ copy_kallsyms()

static int copy_kallsyms ( )

static

Definition at line 287 of file linux_perf.c.

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◆ exist_precise_ip_modifier()

static size_t exist_precise_ip_modifier ( const char * original_event )

static

return the position of precise_ip modifier if exist if not exist, returns 0

Definition at line 587 of file linux_perf.c.

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◆ get_fd_index()

static int get_fd_index	(	int	nevents,
		int	fd,
		event_thread_t *	event_thread
	)

static

Definition at line 483 of file linux_perf.c.

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◆ METHOD_FN() [1/11]

static void METHOD_FN ( init )

static

Definition at line 612 of file linux_perf.c.

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◆ METHOD_FN() [2/11]

static void METHOD_FN ( thread_init )

static

Definition at line 639 of file linux_perf.c.

◆ METHOD_FN() [3/11]

static void METHOD_FN ( thread_init_action )

static

Definition at line 651 of file linux_perf.c.

◆ METHOD_FN() [4/11]

static void METHOD_FN ( start )

static

Definition at line 663 of file linux_perf.c.

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◆ METHOD_FN() [5/11]

static void METHOD_FN ( thread_fini_action )

static

Definition at line 695 of file linux_perf.c.

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◆ METHOD_FN() [6/11]

static void METHOD_FN ( stop )

static

Definition at line 716 of file linux_perf.c.

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◆ METHOD_FN() [7/11]

static void METHOD_FN ( shutdown )

static

Definition at line 748 of file linux_perf.c.

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◆ METHOD_FN() [8/11]

static bool METHOD_FN	(	supports_event	,
		const char *	ev_str
	)

static

Definition at line 770 of file linux_perf.c.

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◆ METHOD_FN() [9/11]

static void METHOD_FN	(	process_event_list	,
		int	lush_metrics
	)

static

Definition at line 809 of file linux_perf.c.

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◆ METHOD_FN() [10/11]

static void METHOD_FN	(	gen_event_set	,
		int	lush_metrics
	)

static

Definition at line 920 of file linux_perf.c.

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◆ METHOD_FN() [11/11]

static void METHOD_FN ( display_events )

static

Definition at line 968 of file linux_perf.c.

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◆ perf_event_handler()

static int perf_event_handler	(	int	sig,
		siginfo_t *	siginfo,
		void *	context
	)

static

Definition at line 1015 of file linux_perf.c.

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◆ perf_get_pmu_support()

static int perf_get_pmu_support	(	const char *	name,
		struct perf_event_attr *	event_attr
	)

static

Definition at line 274 of file linux_perf.c.

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◆ perf_init()

static void perf_init ( )

static

Definition at line 338 of file linux_perf.c.

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◆ perf_start_all()

static void perf_start_all	(	int	nevents,
		event_thread_t *	event_thread
	)

static

Definition at line 236 of file linux_perf.c.

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◆ perf_stop_all()

static void perf_stop_all	(	int	nevents,
		event_thread_t *	event_thread
	)

static

Definition at line 257 of file linux_perf.c.

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◆ perf_thread_fini()

static void perf_thread_fini	(	int	nevents,
		event_thread_t *	event_thread
	)

static

Definition at line 443 of file linux_perf.c.

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◆ perf_thread_init()

static bool perf_thread_init	(	event_info_t *	event,
		event_thread_t *	et
	)

static

Definition at line 377 of file linux_perf.c.

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◆ perf_was_finalized()

static int perf_was_finalized	(	int	nevents,
		event_thread_t *	event_thread
	)

static

Definition at line 223 of file linux_perf.c.

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◆ read_fd()

long read_fd ( int fd )

Definition at line 985 of file linux_perf.c.

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◆ record_sample()

static double record_sample	(	event_thread_t *	current,
		perf_mmap_data_t *	mmap_data,
		void *	context,
		int	metric,
		int	freq,
		sample_val_t *	sv
	)

static

Definition at line 500 of file linux_perf.c.

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Variable Documentation

◆ hpcrun_thread_suppress_sample

__thread bool hpcrun_thread_suppress_sample

Definition at line 193 of file main.c.

◆ nowait

const struct timespec nowait = {0, 0}

static

Definition at line 196 of file linux_perf.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ DEFAULT_COMPRESSION

◆ DEFAULT_THRESHOLD

◆ FILE_BUFFER_SIZE

◆ LINUX_PERF_DEBUG

◆ PERF_EVENT_AVAILABLE_NO

◆ PERF_EVENT_AVAILABLE_UNKNOWN

◆ PERF_EVENT_AVAILABLE_YES

◆ PERF_FD_FINALIZED

◆ PERF_MULTIPLEX_RANGE

◆ PERF_SIGNAL

◆ PERIOD_DEFAULT

◆ PERIOD_FREQUENCY

◆ PERIOD_THRESHOLD

◆ sigev_notify_thread_id

◆ ss_cls

◆ ss_name

◆ ss_sort_order

Function Documentation

◆ copy_kallsyms()

◆ exist_precise_ip_modifier()

◆ get_fd_index()

◆ METHOD_FN() [1/11]

◆ METHOD_FN() [2/11]

◆ METHOD_FN() [3/11]

◆ METHOD_FN() [4/11]

◆ METHOD_FN() [5/11]

◆ METHOD_FN() [6/11]

◆ METHOD_FN() [7/11]

◆ METHOD_FN() [8/11]

◆ METHOD_FN() [9/11]

◆ METHOD_FN() [10/11]

◆ METHOD_FN() [11/11]

◆ perf_event_handler()

◆ perf_get_pmu_support()

◆ perf_init()

◆ perf_start_all()

◆ perf_stop_all()

◆ perf_thread_fini()

◆ perf_thread_init()

◆ perf_was_finalized()

◆ read_fd()

◆ record_sample()

Variable Documentation

◆ hpcrun_thread_suppress_sample

◆ nowait