Function timer_basic_cb

dpdk/app/test/test_timer.c:399–453

timer callback for basic tests */

/* timer callback for basic tests */
static void
timer_basic_cb(struct rte_timer *tim, void *arg)
{
	struct mytimerinfo *timinfo = arg;
	uint64_t hz = rte_get_timer_hz();
	unsigned lcore_id = rte_lcore_id();
	uint64_t cur_time = rte_get_timer_cycles();

	if (rte_timer_pending(tim))
		return;

	timinfo->count ++;

	RTE_LOG(INFO, TESTTIMER,
		"%"PRIu64": callback id=%u count=%u on core %u\n",
		cur_time, timinfo->id, timinfo->count, lcore_id);

	/* reload timer 0 on same core */
	if (timinfo->id == 0 && timinfo->count < 20) {
		mytimer_reset(timinfo, hz, SINGLE, lcore_id, timer_basic_cb);
		return;
	}

	/* reload timer 1 on next core */
	if (timinfo->id == 1 && timinfo->count < 10) {
		mytimer_reset(timinfo, hz*2, SINGLE,
			      rte_get_next_lcore(lcore_id, 0, 1),
			      timer_basic_cb);
		return;
	}

	/* Explicitly stop timer 0. Once stop() called, we can even
	 * erase the content of the structure: it is not referenced
	 * anymore by any code (in case of dynamic structure, it can
	 * be freed) */
	if (timinfo->id == 0 && timinfo->count == 20) {

		/* stop_sync() is not needed, because we know that the
		 * status of timer is only modified by this core */
		rte_timer_stop(tim);
		memset(tim, 0xAA, sizeof(struct rte_timer));
		return;
	}

	/* stop timer3, and restart a new timer0 (it was removed 5
	 * seconds ago) for a single shot */
	if (timinfo->id == 2 && timinfo->count == 25) {
		rte_timer_stop_sync(&mytiminfo[3].tim);

		/* need to reinit because structure was erased with 0xAA */
		rte_timer_init(&mytiminfo[0].tim);
		mytimer_reset(&mytiminfo[0], hz, SINGLE, lcore_id,
			      timer_basic_cb);
	}
}

static int
timer_basic_main_loop(__rte_unused void *arg)