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/*
* Copyright (C) 2014 Artem Polyakov <artpol84@gmail.com>
* Copyright (c) 2014-2017 Intel, Inc. All rights reserved.
* Copyright (c) 2017-2018 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2023 Triad National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OPAL_UTIL_TIMING_H
#define OPAL_UTIL_TIMING_H
#include "opal_config.h"
#include "opal/class/opal_list.h"
#include "opal/runtime/opal_params.h"
typedef enum {
OPAL_TIMING_AUTOMATIC_TIMER,
OPAL_TIMING_GET_TIME_OF_DAY,
OPAL_TIMING_CYCLE_NATIVE,
OPAL_TIMING_USEC_NATIVE
} opal_timer_type_t;
#if OPAL_ENABLE_TIMING
typedef double (*opal_timing_ts_func_t)(void);
# define OPAL_TIMING_STR_LEN 256
typedef struct {
char id[OPAL_TIMING_STR_LEN], cntr_env[OPAL_TIMING_STR_LEN];
int enabled, error;
int cntr;
double ts;
opal_timing_ts_func_t get_ts;
} opal_timing_env_t;
opal_timing_ts_func_t opal_timing_ts_func(opal_timer_type_t type);
void opal_timing_enable_native_timers(void);
void opal_timing_disable_native_timers(void);
# define OPAL_TIMING_ENABLE_NATIVE_TIMERS opal_timing_enable_native_timers()
# define OPAL_TIMING_DISABLE_NATIVE_TIMERS opal_timing_disable_native_timers()
# define OPAL_TIMING_ENV_START_TYPE(func, _nm, type, prefix) \
do { \
char *ptr = NULL; \
char *_prefix = prefix; \
int n; \
if (NULL == prefix) { \
_prefix = ""; \
} \
(_nm)->error = 0; \
n = snprintf((_nm)->id, OPAL_TIMING_STR_LEN, "%s_%s", _prefix, func); \
if (n > OPAL_TIMING_STR_LEN) { \
(_nm)->error = 1; \
} \
n = sprintf((_nm)->cntr_env, "OMPI_TIMING_%s_CNT", (_nm)->id); \
if (n > OPAL_TIMING_STR_LEN) { \
(_nm)->error = 1; \
} \
ptr = getenv((_nm)->id); \
if (NULL == ptr || strcmp(ptr, "1")) { \
(_nm)->enabled = 0; \
} \
(_nm)->get_ts = opal_timing_ts_func(type); \
ptr = getenv("OPAL_TIMING_ENABLE"); \
if (NULL != ptr) { \
(_nm)->enabled = atoi(ptr); \
} \
(_nm)->cntr = 0; \
ptr = getenv((_nm)->id); \
if (NULL != ptr) { \
(_nm)->cntr = atoi(ptr); \
} \
(_nm)->ts = (_nm)->get_ts(); \
if (0 != (_nm)->error) { \
(_nm)->enabled = 0; \
} \
} while (0)
/* We use function names for identification
* however this might be a problem for the private
* functions declared as static as their names may
* conflict.
* Use prefix to do a finer-grained identification if needed
*/
# define OPAL_TIMING_ENV_INIT_PREFIX(prefix, name) \
opal_timing_env_t name##_val, *name = &(name##_val); \
OPAL_TIMING_ENV_START_TYPE(__func__, name, OPAL_TIMING_AUTOMATIC_TIMER, prefix);
# define OPAL_TIMING_ENV_INIT(name) OPAL_TIMING_ENV_INIT_PREFIX("", name)
# define OPAL_TIMING_ENV_NEXT(h, ...) \
do { \
int n; \
char buf1[OPAL_TIMING_STR_LEN], buf2[OPAL_TIMING_STR_LEN]; \
double time; \
char *filename; \
if (h->enabled) { \
/* enabled codepath */ \
time = h->get_ts() - h->ts; \
n = snprintf(buf1, OPAL_TIMING_STR_LEN, "OMPI_TIMING_%s_DESC_%d", h->id, h->cntr); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
n = snprintf(buf2, OPAL_TIMING_STR_LEN, __VA_ARGS__); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
setenv(buf1, buf2, 1); \
n = snprintf(buf1, OPAL_TIMING_STR_LEN, "OMPI_TIMING_%s_VAL_%d", h->id, h->cntr); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
n = snprintf(buf2, OPAL_TIMING_STR_LEN, "%lf", time); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
setenv(buf1, buf2, 1); \
filename = strrchr(__FILE__, '/'); \
filename = (filename == NULL) ? strdup(__FILE__) : filename + 1; \
n = snprintf(buf1, OPAL_TIMING_STR_LEN, "OMPI_TIMING_%s_FILE_%d", h->id, h->cntr); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
n = snprintf(buf2, OPAL_TIMING_STR_LEN, "%s", filename); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
setenv(buf1, buf2, 1); \
h->cntr++; \
sprintf(buf1, "%d", h->cntr); \
setenv(h->cntr_env, buf1, 1); \
/* We don't include env operations into the consideration. \
* Hopefully this will help to make measurements more accurate. \
*/ \
h->ts = h->get_ts(); \
} \
if (h->error) { \
n = snprintf(buf1, OPAL_TIMING_STR_LEN, "OMPI_TIMING_%s_ERROR", h->id); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
n = snprintf(buf2, OPAL_TIMING_STR_LEN, "%d", h->error); \
if (n > OPAL_TIMING_STR_LEN) { \
h->error = 1; \
} \
setenv(buf1, buf2, 1); \
} \
} while (0)
/* This function supposed to be called from the code that will
* do the postprocessing, i.e. OMPI timing portion that will
* do the reduction of accumulated values
*/
# define OPAL_TIMING_ENV_CNT_PREFIX(prefix, func, _cnt) \
do { \
char ename[OPAL_TIMING_STR_LEN]; \
char *ptr = NULL; \
int n = snprintf(ename, OPAL_TIMING_STR_LEN, "OMPI_TIMING_%s_%s_CNT", prefix, func); \
(_cnt) = 0; \
if (n <= OPAL_TIMING_STR_LEN) { \
ptr = getenv(ename); \
if (NULL != ptr) { \
(_cnt) = atoi(ptr); \
}; \
} \
} while (0)
# define OPAL_TIMING_ENV_ERROR_PREFIX(prefix, func, _err) \
do { \
char ename[OPAL_TIMING_STR_LEN]; \
(_err) = 0; \
char *ptr = NULL; \
int n = snprintf(ename, OPAL_TIMING_STR_LEN, "OMPI_TIMING_%s%s_ERROR", prefix, func); \
if (n <= OPAL_TIMING_STR_LEN) { \
ptr = getenv(ename); \
if (NULL != ptr) { \
(_err) = atoi(ptr); \
}; \
} \
} while (0)
# define OPAL_TIMING_ENV_GETDESC_PREFIX(prefix, filename, func, i, desc, _t) \
do { \
char vname[OPAL_TIMING_STR_LEN]; \
(_t) = 0.0; \
sprintf(vname, "OMPI_TIMING_%s_%s_FILE_%d", prefix, func, i); \
*filename = getenv(vname); \
sprintf(vname, "OMPI_TIMING_%s_%s_DESC_%d", prefix, func, i); \
*desc = getenv(vname); \
sprintf(vname, "OMPI_TIMING_%s_%s_VAL_%d", prefix, func, i); \
char *ptr = getenv(vname); \
if (NULL != ptr) { \
sscanf(ptr, "%lf", &(_t)); \
} \
} while (0)
# define OPAL_TIMING_ENV_GETDESC(file, func, index, desc) \
OPAL_TIMING_ENV_GETDESC_PREFIX("", file, func, index, desc)
#else
# define OPAL_TIMING_ENABLE_NATIVE_TIMERS
# define OPAL_TIMING_DISABLE_NATIVE_TIMERS
# define OPAL_TIMING_ENV_START_TYPE(func, type, prefix)
# define OPAL_TIMING_ENV_INIT(name)
# define OPAL_TIMING_ENV_INIT_PREFIX(prefix, name)
# define OPAL_TIMING_ENV_NEXT(h, ...)
# define OPAL_TIMING_ENV_CNT_PREFIX(prefix, func)
# define OPAL_TIMING_ENV_CNT(func)
# define OPAL_TIMING_ENV_GETDESC_PREFIX(prefix, func, i, desc)
# define OPAL_TIMING_ENV_GETDESC(func, index, desc)
# define OPAL_TIMING_ENV_ERROR_PREFIX(prefix, func)
#endif
#endif
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