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schedstatistics: Log sleep tick statistics

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This commit is contained in:
Koen Zandberg 2020-12-15 16:38:56 +01:00
parent 86f72b717c
commit c579dbe953
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GPG Key ID: 0895A893E6D2985B
2 changed files with 9 additions and 2 deletions
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3
sys/ps/ps.c
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@ -74,6 +74,9 @@ void ps(void)
#ifdef MODULE_SCHEDSTATISTICS
uint64_t rt_sum = 0;
if (!IS_ACTIVE(MODULE_CORE_IDLE_THREAD)) {
rt_sum = sched_pidlist[KERNEL_PID_UNDEF].runtime_ticks;
}
for (kernel_pid_t i = KERNEL_PID_FIRST; i <= KERNEL_PID_LAST; i++) {
thread_t *p = thread_get(i);
if (p != NULL) {

8
sys/schedstatistics/schedstatistics.c
View File

@ -26,6 +26,10 @@
#include "thread.h"
#include "xtimer.h"
/**
* When core_idle_thread is not active, the KERNEL_PID_UNDEF is used to track
* the idle time
*/
schedstat_t sched_pidlist[KERNEL_PID_LAST + 1];
void sched_statistics_cb(kernel_pid_t active_thread, kernel_pid_t next_thread)
@ -33,13 +37,13 @@ void sched_statistics_cb(kernel_pid_t active_thread, kernel_pid_t next_thread)
uint32_t now = xtimer_now().ticks32;
/* Update active thread stats */
if (active_thread != KERNEL_PID_UNDEF) {
if (!IS_USED(MODULE_CORE_IDLE_THREAD) || active_thread != KERNEL_PID_UNDEF) {
schedstat_t *active_stat = &sched_pidlist[active_thread];
active_stat->runtime_ticks += now - active_stat->laststart;
}
/* Update next_thread stats */
if (next_thread != KERNEL_PID_UNDEF) {
if (!IS_USED(MODULE_CORE_IDLE_THREAD) || next_thread != KERNEL_PID_UNDEF) {
schedstat_t *next_stat = &sched_pidlist[next_thread];
next_stat->laststart = now;
next_stat->schedules++;