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sched:cpuload_period: add pm callbacks

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Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
This commit is contained in:
zhuyanlin 2022-04-18 14:59:31 +08:00 committed by Xiang Xiao
parent 1c2583eaad
commit 45fe3fb4c6
1 changed files with 36 additions and 2 deletions
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38
sched/sched/sched_cpuload_period.c
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@ -30,6 +30,7 @@
#include <nuttx/arch.h>
#include <nuttx/clock.h>
#include <nuttx/lib/xorshift128.h>
#include <nuttx/power/pm.h>
#include <nuttx/timers/timer.h>
#ifdef CONFIG_CPULOAD_PERIOD
@ -87,12 +88,18 @@
* Private Types
****************************************************************************/
#if CONFIG_CPULOAD_ENTROPY > 0
#if CONFIG_CPULOAD_ENTROPY > 0 || defined(CONFIG_PM)
struct sched_period_s
{
#if CONFIG_CPULOAD_ENTROPY > 0
struct xorshift128_state_s prng;
uint32_t maxtimeout;
int32_t error;
#endif
#ifdef CONFIG_PM
FAR struct timer_lowerhalf_s *lower;
struct pm_callback_s pm_cb;
#endif
};
#endif
@ -107,7 +114,7 @@ static bool nxsched_period_callback(FAR uint32_t *next_interval_us,
* Private Data
****************************************************************************/
#if CONFIG_CPULOAD_ENTROPY > 0
#if CONFIG_CPULOAD_ENTROPY > 0 || defined(CONFIG_PM)
static struct sched_period_s g_sched_period;
#endif
@ -183,6 +190,24 @@ static bool nxsched_period_callback(FAR uint32_t *next_interval_us,
return true;
}
#ifdef CONFIG_PM
static void nxsched_period_pmnotify(FAR struct pm_callback_s *cb, int domain,
enum pm_state_e pmstate)
{
if (domain == PM_IDLE_DOMAIN)
{
if (pmstate == PM_RESTORE)
{
g_sched_period.lower->ops->start(g_sched_period.lower);
}
else
{
g_sched_period.lower->ops->stop(g_sched_period.lower);
}
}
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -228,6 +253,15 @@ void nxsched_period_extclk(FAR struct timer_lowerhalf_s *lower)
g_sched_period.prng.z = g_sched_period.prng.x << 25;
#endif
#ifdef CONFIG_PM
g_sched_period.lower = lower;
/* Register pm notify */
g_sched_period.pm_cb.notify = nxsched_period_pmnotify;
pm_register(&g_sched_period.pm_cb);
#endif
/* Then start the period timer */
lower->ops->setcallback(lower, nxsched_period_callback, NULL);