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pm_procfs: update state up to now when pm procfs read

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Signed-off-by: buxiasen <buxiasen@xiaomi.com>
This commit is contained in:
buxiasen 2024-05-08 23:21:22 +08:00 committed by Xiang Xiao
parent 87d038c583
commit d3d52ee5e2
3 changed files with 41 additions and 6 deletions
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4
drivers/power/pm/pm.h
View File

@ -62,6 +62,10 @@ struct pm_domain_s
struct timespec start;
struct timespec wake[PM_COUNT];
struct timespec sleep[PM_COUNT];
/* When procfs read update wake or sleep up-to-now */
bool in_sleep;
#endif
/* Auto update or not */

2
drivers/power/pm/pm_changestate.c
View File

@ -67,12 +67,14 @@ static void pm_stats(FAR struct pm_domain_s *dom, int curstate, int newstate)
/* Wakeup from WFI */
clock_timespec_add(&ts, &dom->sleep[curstate], &dom->sleep[curstate]);
dom->in_sleep = false;
}
else
{
/* Sleep to WFI */
clock_timespec_add(&ts, &dom->wake[curstate], &dom->wake[curstate]);
dom->in_sleep = true;
}
/* Update start */

41
drivers/power/pm/pm_procfs.c
View File

@ -260,11 +260,21 @@ static int pm_close(FAR struct file *filep)
return OK;
}
/****************************************************************************
* Name: pm_read_state
*
* Description:
* The statistic values about every domain states.
*
****************************************************************************/
static ssize_t pm_read_state(FAR struct file *filep, FAR char *buffer,
size_t buflen)
{
FAR struct pm_domain_s *dom;
FAR struct pm_file_s *pmfile;
time_t sleep[PM_COUNT];
time_t wake[PM_COUNT];
irqstate_t flags;
size_t totalsize = 0;
size_t linesize;
@ -298,7 +308,26 @@ static ssize_t pm_read_state(FAR struct file *filep, FAR char *buffer,
for (state = 0; state < PM_COUNT; state++)
{
sum += dom->wake[state].tv_sec + dom->sleep[state].tv_sec;
wake[state] = dom->wake[state].tv_sec;
sleep[state] = dom->sleep[state].tv_sec;
if (state == dom->state)
{
struct timespec ts;
clock_systime_timespec(&ts);
clock_timespec_subtract(&ts, &dom->start, &ts);
if (dom->in_sleep)
{
sleep[state] += ts.tv_sec;
}
else
{
wake[state] += ts.tv_sec;
}
}
sum += wake[state] + sleep[state];
}
sum = sum ? sum : 1;
@ -307,14 +336,14 @@ static ssize_t pm_read_state(FAR struct file *filep, FAR char *buffer,
{
time_t total;
total = dom->wake[state].tv_sec + dom->sleep[state].tv_sec;
total = wake[state] + sleep[state];
linesize = snprintf(pmfile->line, PM_LINELEN, STFMT,
g_pm_state[state],
dom->wake[state].tv_sec,
100 * dom->wake[state].tv_sec / sum,
dom->sleep[state].tv_sec,
100 * dom->sleep[state].tv_sec / sum,
wake[state],
100 * wake[state] / sum,
sleep[state],
100 * sleep[state] / sum,
total,
100 * total / sum);
buffer += copysize;