C++ (Cpp) lcnt_update_stats Examples

Example #1

File: erl_lock_count.c Project: DavidPajaro/otp

void erts_lcnt_lock_post_x(erts_lcnt_lock_t *lock, char *file, unsigned int line) {
    erts_lcnt_thread_data_t *eltd;
    erts_lcnt_time_t timer;
    erts_lcnt_time_t time_wait;
    erts_lcnt_lock_stats_t *stats;
#ifdef DEBUG
    erts_aint_t flowstate;
#endif

    if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
    if (!ERTS_LCNT_LOCK_TYPE(lock)) return;
    
#ifdef DEBUG
    if (!(lock->flag & (ERTS_LCNT_LT_RWMUTEX | ERTS_LCNT_LT_RWSPINLOCK))) {
	flowstate = ethr_atomic_read(&lock->flowstate);
	ASSERT(flowstate == 0);
    	ethr_atomic_inc( &lock->flowstate);
    }
#endif
    
    eltd = lcnt_get_thread_data();
    
    ASSERT(eltd);

    /* if lock was in conflict, time it */
    
    if (erts_lcnt_rt_options & ERTS_LCNT_OPT_LOCATION) {
	stats = lcnt_get_lock_stats(lock, file, line);
    } else {
	stats = &lock->stats[0];
    }

    if (eltd->timer_set) {
	lcnt_time(&timer);
	
	lcnt_time_diff(&time_wait, &timer, &(eltd->timer));
	lcnt_update_stats(stats, eltd->lock_in_conflict, &time_wait);
	
	eltd->timer_set--;
	ASSERT(eltd->timer_set >= 0);
    } else {
	lcnt_update_stats(stats, eltd->lock_in_conflict, NULL);
    }

}

Example #2

File: erl_lock_count.c Project: agelin/Erlang-OTP

void erts_lcnt_trylock_opt(erts_lcnt_lock_t *lock, int res, Uint16 option) {
    if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
    /* Determine lock_state via res instead of state */
    if (res != EBUSY) {
        if (option & ERTS_LCNT_LO_WRITE) ethr_atomic_inc(&lock->w_state);
        if (option & ERTS_LCNT_LO_READ ) ethr_atomic_inc(&lock->r_state);
        lcnt_update_stats(&(lock->stats[0]), 0, NULL);
    } else {
        ethr_atomic_inc(&lock->stats[0].tries);
        ethr_atomic_inc(&lock->stats[0].colls);
    }
}

Example #3

File: erl_lock_count.c Project: agelin/Erlang-OTP

void erts_lcnt_trylock(erts_lcnt_lock_t *lock, int res) {
    /* Determine lock_state via res instead of state */
#ifdef DEBUG
    erts_aint_t flowstate;
#endif
    if (erts_lcnt_rt_options & ERTS_LCNT_OPT_SUSPEND) return;
    if (res != EBUSY) {

#ifdef DEBUG
        flowstate = ethr_atomic_read(&lock->flowstate);
        ASSERT(flowstate == 0);
        ethr_atomic_inc( &lock->flowstate);
#endif
        ethr_atomic_inc(&lock->w_state);

        lcnt_update_stats(&(lock->stats[0]), 0, NULL);

    } else {
        ethr_atomic_inc(&lock->stats[0].tries);
        ethr_atomic_inc(&lock->stats[0].colls);
    }
}