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

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Signed-off-by: Shuhei 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: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Shuhei Matsumoto 2021-04-27 06:18:56 +09:00 committed by Tomasz Zawadzki
parent 42ad32da60
commit aca41b43a3
1 changed files with 17 additions and 10 deletions
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27
lib/thread/thread.c
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@ -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;