Commit aca41b43 authored by Shuhei Matsumoto's avatar Shuhei Matsumoto Committed by Tomasz Zawadzki
Browse files

thread: Factor out convert period from usec to ticks into a helper function 



Signed-off-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I1dc0a202aab61a42511d3afac6b6533cfe6d1ade
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7666


Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
parent 42ad32da

lib/thread/thread.c

+17 −10
Original line number Diff line number Diff line
@@ -1244,6 +1244,22 @@ spdk_poller_register_interrupt(struct spdk_poller *poller, 
	}

}



static uint64_t

convert_us_to_ticks(uint64_t us)

{

	uint64_t quotient, remainder, ticks;



	if (us) {

		quotient = us / SPDK_SEC_TO_USEC;

		remainder = us % SPDK_SEC_TO_USEC;

		ticks = spdk_get_ticks_hz();



		return ticks * quotient + (ticks * remainder) / SPDK_SEC_TO_USEC;

	} else {

		return 0;

	}

}



static struct spdk_poller *

poller_register(spdk_poller_fn fn,

		void *arg,
@@ -1252,7 +1268,6 @@ poller_register(spdk_poller_fn fn, 
{

	struct spdk_thread *thread;

	struct spdk_poller *poller;

	uint64_t quotient, remainder, ticks;



	thread = spdk_get_thread();

	if (!thread) {
@@ -1283,15 +1298,7 @@ poller_register(spdk_poller_fn fn, 
	poller->thread = thread;

	poller->interruptfd = -1;



	if (period_microseconds) {

		quotient = period_microseconds / SPDK_SEC_TO_USEC;

		remainder = period_microseconds % SPDK_SEC_TO_USEC;

		ticks = spdk_get_ticks_hz();



		poller->period_ticks = ticks * quotient + (ticks * remainder) / SPDK_SEC_TO_USEC;

	} else {

		poller->period_ticks = 0;

	}

	poller->period_ticks = convert_us_to_ticks(period_microseconds);



	if (spdk_interrupt_mode_is_enabled()) {

		int rc;