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vold: Have the fstrim log start and finish times in the event log

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bug: 8688454

Change-Id: I5540ab27d3ade2c42ee8fd0de6fbfc1d1e19e36f
This commit is contained in:
Ken Sumrall 2013-05-07 17:28:21 -07:00
parent e78cd4f33d
commit bc7d5088f7
1 changed files with 27 additions and 0 deletions
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27
fstrim.c
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@ -22,14 +22,34 @@
#include <string.h>
#include <limits.h>
#include <linux/fs.h>
#include <time.h>
#include <fs_mgr.h>
#include <pthread.h>
#define LOG_TAG "fstrim"
#include "cutils/log.h"
#include "hardware_legacy/power.h"
/* These numbers must match what the MountService specified in
* frameworks/base/services/java/com/android/server/EventLogTags.logtags
*/
#define LOG_FSTRIM_START 2755
#define LOG_FSTRIM_FINISH 2756
#define FSTRIM_WAKELOCK "dofstrim"
static unsigned long long get_boot_time_ms(void)
{
struct timespec t;
unsigned long long time_ms;
t.tv_sec = 0;
t.tv_nsec = 0;
clock_gettime(CLOCK_BOOTTIME, &t);
time_ms = (t.tv_sec * 1000LL) + (t.tv_nsec / 1000000);
return time_ms;
}
static void *do_fstrim_filesystems(void *ignored)
{
int i;
@ -41,6 +61,9 @@ static void *do_fstrim_filesystems(void *ignored)
SLOGI("Starting fstrim work...\n");
/* Log the start time in the event log */
LOG_EVENT_LONG(LOG_FSTRIM_START, get_boot_time_ms());
for (i = 0; i < fstab->num_entries; i++) {
/* Skip raw partitions */
if (!strcmp(fstab->recs[i].fs_type, "emmc") ||
@ -83,6 +106,10 @@ static void *do_fstrim_filesystems(void *ignored)
SLOGI("Trimmed %llu bytes on %s\n", range.len, fstab->recs[i].mount_point);
close(fd);
}
/* Log the finish time in the event log */
LOG_EVENT_LONG(LOG_FSTRIM_FINISH, get_boot_time_ms());
SLOGI("Finished fstrim work.\n");
/* Release the wakelock that let us work */