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zephyr: ll-domain: update .next_tick on each timer interrupt 

.next_tick has to be initialised at domain registration and updated
on each scheduling domain event.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
This commit is contained in:
Guennadi Liakhovetski 2021-06-22 16:48:54 +02:00 committed by Liam Girdwood
parent a971f85c1a
commit 91a5e63d47
1 changed files with 9 additions and 1 deletions
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10
src/schedule/zephyr_domain.c
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@ -34,7 +34,8 @@
#define ZEPHYR_LL_STACK_SIZE 8192
#define LL_TIMER_PERIOD_US 1000 /* period in microseconds */
#define LL_TIMER_PERIOD_US 1000ULL /* period in microseconds */
#define LL_TIMER_PERIOD_TICKS (CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC * LL_TIMER_PERIOD_US / 1000000ULL)
K_KERNEL_STACK_ARRAY_DEFINE(ll_sched_stack, CONFIG_CORE_COUNT, ZEPHYR_LL_STACK_SIZE);
@ -70,11 +71,16 @@ static void zephyr_domain_thread_fn(void *p1, void *p2, void *p3)
static void zephyr_domain_timer_fn(struct k_timer *timer)
{
struct zephyr_domain *zephyr_domain = k_timer_user_data_get(timer);
uint64_t now = platform_timer_get(NULL);
int core;
if (!zephyr_domain)
return;
/* This loop should only run once */
while (zephyr_domain->ll_domain->next_tick < now)
zephyr_domain->ll_domain->next_tick += LL_TIMER_PERIOD_TICKS;
for (core = 0; core < CONFIG_CORE_COUNT; core++)
if (zephyr_domain->domain_thread[core].handler)
k_sem_give(&zephyr_domain->sem);
@ -120,6 +126,8 @@ static int zephyr_domain_register(struct ll_schedule_domain *domain,
k_timer_user_data_set(&zephyr_domain->timer, zephyr_domain);
k_timer_start(&zephyr_domain->timer, start, K_USEC(LL_TIMER_PERIOD_US));
domain->next_tick = platform_timer_get_atomic(zephyr_domain->ll_timer) +
k_ticks_to_cyc_ceil64(k_timer_remaining_ticks(&zephyr_domain->timer));
}
tr_info(&ll_tr, "zephyr_domain_register domain->type %d domain->clk %d domain->ticks_per_ms %d period %d",