#include <errno.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
#include <sys/time.h>
#include <ucontext.h>
#include <time.h>
#include <unistd.h>
#include <include/hpctoolkit-config.h>
#include <monitor.h>
#include "sample_source_obj.h"
#include "common.h"
#include "ss-errno.h"
#include <hpcrun/hpcrun_options.h>
#include <hpcrun/hpcrun_stats.h>
#include <hpcrun/metrics.h>
#include <hpcrun/safe-sampling.h>
#include <hpcrun/sample_event.h>
#include <hpcrun/sample_sources_registered.h>
#include <hpcrun/thread_data.h>
#include <lush/lush-backtrace.h>
#include <messages/messages.h>
#include <utilities/tokenize.h>
#include <utilities/arch/context-pc.h>
#include <unwind/common/unwind.h>
#include <lib/support-lean/timer.h>
#include <sample-sources/blame-shift/blame-shift.h>
#include "ss_obj.h"

Include dependency graph for itimer.c:

Macros
#define	IDLE_METRIC_NAME "idleness (usec)"

#define	WALLCLOCK_EVENT_NAME "WALLCLOCK"

#define	WALLCLOCK_METRIC_NAME "WALLCLOCK (usec)"

#define	ITIMER_EVENT_NAME "ITIMER"

#define	ITIMER_METRIC_NAME "ITIMER (usec)"

#define	ITIMER_SIGNAL SIGPROF

#define	ITIMER_TYPE ITIMER_PROF

#define	REALTIME_EVENT_NAME "REALTIME"

#define	REALTIME_METRIC_NAME "REALTIME (usec)"

#define	REALTIME_SIGNAL (SIGRTMIN + 3)

#define	REALTIME_CLOCK_TYPE CLOCK_REALTIME

#define	REALTIME_NOTIFY_METHOD SIGEV_THREAD_ID

#define	CPUTIME_EVENT_NAME "CPUTIME"

#define	CPUTIME_METRIC_NAME "CPUTIME (usec)"

#define	CPUTIME_CLOCK_TYPE CLOCK_THREAD_CPUTIME_ID

#define	sigev_notify_thread_id _sigev_un._tid

#define	USE_ELAPSED_TIME_FOR_WALLCLOCK

#define	sample_period 1

#define	DEFAULT_PERIOD 5000L

#define	ss_name itimer

#define	ss_cls SS_HARDWARE

#define	ss_sort_order 20

Enumerations
enum	_local_const { PROC_NAME_LEN = 2048, ITIMER_EVENT = 0, _TST_EVENT = 0 }

Functions
static int	itimer_signal_handler (int sig, siginfo_t siginfo, void context)

void	hpcrun_itimer_wallclock_ok (bool flag)

static int	hpcrun_create_real_timer (thread_data_t *td)

static int	hpcrun_delete_real_timer (thread_data_t *td)

static int	hpcrun_settime (thread_data_t td, struct itimerspec spec)

static int	hpcrun_start_timer (thread_data_t *td)

static int	hpcrun_stop_timer (thread_data_t *td)

static void	hpcrun_restart_timer (sample_source_t *self, int safe)

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)

Variables
static bool	use_itimer = false

static bool	use_realtime = false

static bool	use_cputime = false

static char *	the_event_name = "unknown"

static char *	the_metric_name = "unknown"

static int	the_signal_num = 0

static long	period = DEFAULT_PERIOD

static struct itimerval	itval_start

static struct itimerval	itval_stop

static struct itimerspec	itspec_start

static struct itimerspec	itspec_stop

static sigset_t	timer_mask

static __thread bool	wallclock_ok = false

__thread bool	hpcrun_thread_suppress_sample

Macro Definition Documentation

◆ CPUTIME_CLOCK_TYPE

#define CPUTIME_CLOCK_TYPE CLOCK_THREAD_CPUTIME_ID

Definition at line 144 of file itimer.c.

◆ CPUTIME_EVENT_NAME

#define CPUTIME_EVENT_NAME "CPUTIME"

Definition at line 142 of file itimer.c.

◆ CPUTIME_METRIC_NAME

#define CPUTIME_METRIC_NAME "CPUTIME (usec)"

Definition at line 143 of file itimer.c.

◆ DEFAULT_PERIOD

#define DEFAULT_PERIOD 5000L

Definition at line 162 of file itimer.c.

◆ IDLE_METRIC_NAME

#define IDLE_METRIC_NAME "idleness (usec)"

Definition at line 125 of file itimer.c.

◆ ITIMER_EVENT_NAME

#define ITIMER_EVENT_NAME "ITIMER"

Definition at line 130 of file itimer.c.

◆ ITIMER_METRIC_NAME

#define ITIMER_METRIC_NAME "ITIMER (usec)"

Definition at line 131 of file itimer.c.

◆ ITIMER_SIGNAL

#define ITIMER_SIGNAL SIGPROF

Definition at line 132 of file itimer.c.

◆ ITIMER_TYPE

#define ITIMER_TYPE ITIMER_PROF

Definition at line 133 of file itimer.c.

◆ REALTIME_CLOCK_TYPE

#define REALTIME_CLOCK_TYPE CLOCK_REALTIME

Definition at line 139 of file itimer.c.

◆ REALTIME_EVENT_NAME

#define REALTIME_EVENT_NAME "REALTIME"

Definition at line 135 of file itimer.c.

◆ REALTIME_METRIC_NAME

#define REALTIME_METRIC_NAME "REALTIME (usec)"

Definition at line 136 of file itimer.c.

◆ REALTIME_NOTIFY_METHOD

#define REALTIME_NOTIFY_METHOD SIGEV_THREAD_ID

Definition at line 140 of file itimer.c.

◆ REALTIME_SIGNAL

#define REALTIME_SIGNAL (SIGRTMIN + 3)

Definition at line 137 of file itimer.c.

◆ sample_period

#define sample_period 1

Definition at line 157 of file itimer.c.

◆ sigev_notify_thread_id

#define sigev_notify_thread_id _sigev_un._tid

Definition at line 149 of file itimer.c.

◆ ss_cls

#define ss_cls SS_HARDWARE

Definition at line 667 of file itimer.c.

◆ ss_name

#define ss_name itimer

Definition at line 666 of file itimer.c.

◆ ss_sort_order

#define ss_sort_order 20

Definition at line 668 of file itimer.c.

◆ USE_ELAPSED_TIME_FOR_WALLCLOCK

#define USE_ELAPSED_TIME_FOR_WALLCLOCK

Definition at line 153 of file itimer.c.

◆ WALLCLOCK_EVENT_NAME

#define WALLCLOCK_EVENT_NAME "WALLCLOCK"

Definition at line 127 of file itimer.c.

◆ WALLCLOCK_METRIC_NAME

#define WALLCLOCK_METRIC_NAME "WALLCLOCK (usec)"

Definition at line 128 of file itimer.c.

Enumeration Type Documentation

◆ _local_const

enum _local_const

Enumerator
PROC_NAME_LEN
ITIMER_EVENT
_TST_EVENT

Definition at line 169 of file itimer.c.

Function Documentation

◆ hpcrun_create_real_timer()

static int hpcrun_create_real_timer ( thread_data_t * td )

static

Definition at line 228 of file itimer.c.

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◆ hpcrun_delete_real_timer()

static int hpcrun_delete_real_timer ( thread_data_t * td )

static

Definition at line 257 of file itimer.c.

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◆ hpcrun_itimer_wallclock_ok()

void hpcrun_itimer_wallclock_ok ( bool flag )

Definition at line 215 of file itimer.c.

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◆ hpcrun_restart_timer()

static void hpcrun_restart_timer	(	sample_source_t *	self,
		int	safe
	)

static

Definition at line 326 of file itimer.c.

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◆ hpcrun_settime()

static int hpcrun_settime	(	thread_data_t *	td,
		struct itimerspec *	spec
	)

static

Definition at line 280 of file itimer.c.

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◆ hpcrun_start_timer()

static int hpcrun_start_timer ( thread_data_t * td )

static

Definition at line 291 of file itimer.c.

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◆ hpcrun_stop_timer()

static int hpcrun_stop_timer ( thread_data_t * td )

static

Definition at line 303 of file itimer.c.

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◆ itimer_signal_handler()

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

static

Definition at line 678 of file itimer.c.

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◆ METHOD_FN() [1/11]

static void METHOD_FN ( init )

static

Definition at line 389 of file itimer.c.

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◆ METHOD_FN() [2/11]

static void METHOD_FN ( thread_init )

static

Definition at line 397 of file itimer.c.

◆ METHOD_FN() [3/11]

static void METHOD_FN ( thread_init_action )

static

Definition at line 403 of file itimer.c.

◆ METHOD_FN() [4/11]

static void METHOD_FN ( start )

static

Definition at line 409 of file itimer.c.

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◆ METHOD_FN() [5/11]

static void METHOD_FN ( thread_fini_action )

static

Definition at line 430 of file itimer.c.

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◆ METHOD_FN() [6/11]

static void METHOD_FN ( stop )

static

Definition at line 443 of file itimer.c.

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◆ METHOD_FN() [7/11]

static void METHOD_FN ( shutdown )

static

Definition at line 465 of file itimer.c.

◆ METHOD_FN() [8/11]

static bool METHOD_FN	(	supports_event	,
		const char *	ev_str
	)

static

Definition at line 473 of file itimer.c.

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◆ METHOD_FN() [9/11]

static void METHOD_FN	(	process_event_list	,
		int	lush_metrics
	)

static

Definition at line 482 of file itimer.c.

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◆ METHOD_FN() [10/11]

static void METHOD_FN	(	gen_event_set	,
		int	lush_metrics
	)

static

Definition at line 621 of file itimer.c.

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◆ METHOD_FN() [11/11]

static void METHOD_FN ( display_events )

static

Definition at line 627 of file itimer.c.

Variable Documentation

◆ hpcrun_thread_suppress_sample

__thread bool hpcrun_thread_suppress_sample

Definition at line 193 of file main.c.

◆ itspec_start

struct itimerspec itspec_start

static

Definition at line 199 of file itimer.c.

◆ itspec_stop

struct itimerspec itspec_stop

static

Definition at line 200 of file itimer.c.

◆ itval_start

struct itimerval itval_start

static

Definition at line 196 of file itimer.c.

◆ itval_stop

struct itimerval itval_stop

static

Definition at line 197 of file itimer.c.

◆ period

long period = DEFAULT_PERIOD

static

Definition at line 194 of file itimer.c.

◆ the_event_name

char* the_event_name = "unknown"

static

Definition at line 190 of file itimer.c.

◆ the_metric_name

char* the_metric_name = "unknown"

static

Definition at line 191 of file itimer.c.

◆ the_signal_num

int the_signal_num = 0

static

Definition at line 192 of file itimer.c.

◆ timer_mask

sigset_t timer_mask

static

Definition at line 202 of file itimer.c.

◆ use_cputime

bool use_cputime = false

static

Definition at line 188 of file itimer.c.

◆ use_itimer

bool use_itimer = false

static

Definition at line 186 of file itimer.c.

◆ use_realtime

bool use_realtime = false

static

Definition at line 187 of file itimer.c.

◆ wallclock_ok

__thread bool wallclock_ok = false

static

Definition at line 204 of file itimer.c.

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ CPUTIME_CLOCK_TYPE

◆ CPUTIME_EVENT_NAME

◆ CPUTIME_METRIC_NAME

◆ DEFAULT_PERIOD

◆ IDLE_METRIC_NAME

◆ ITIMER_EVENT_NAME

◆ ITIMER_METRIC_NAME

◆ ITIMER_SIGNAL

◆ ITIMER_TYPE

◆ REALTIME_CLOCK_TYPE

◆ REALTIME_EVENT_NAME

◆ REALTIME_METRIC_NAME

◆ REALTIME_NOTIFY_METHOD

◆ REALTIME_SIGNAL

◆ sample_period

◆ sigev_notify_thread_id

◆ ss_cls

◆ ss_name

◆ ss_sort_order

◆ USE_ELAPSED_TIME_FOR_WALLCLOCK

◆ WALLCLOCK_EVENT_NAME

◆ WALLCLOCK_METRIC_NAME

Enumeration Type Documentation

◆ _local_const

Function Documentation

◆ hpcrun_create_real_timer()

◆ hpcrun_delete_real_timer()

◆ hpcrun_itimer_wallclock_ok()

◆ hpcrun_restart_timer()

◆ hpcrun_settime()

◆ hpcrun_start_timer()

◆ hpcrun_stop_timer()

◆ itimer_signal_handler()

◆ 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]

Variable Documentation

◆ hpcrun_thread_suppress_sample

◆ itspec_start

◆ itspec_stop

◆ itval_start

◆ itval_stop

◆ period

◆ the_event_name

◆ the_metric_name

◆ the_signal_num

◆ timer_mask

◆ use_cputime

◆ use_itimer

◆ use_realtime

◆ wallclock_ok