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Merge "lmkd: count the number of times LMKD wakes up" into main am: 6a886a90ae 

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/3259917

Change-Id: I5e53f6a45862babc5cdb0c47f8b532a1681124ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Treehugger Robot 2024-11-19 17:52:58 +00:00 committed by Automerger Merge Worker
parent b4a726f7a3 6a886a90ae
commit 0b971a7057
1 changed files with 13 additions and 1 deletions
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14
lmkd.cpp
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@ -247,6 +247,8 @@ static struct psi_threshold psi_thresholds[VMPRESS_LEVEL_COUNT] = {
{ PSI_FULL, 70 }, /* 70ms out of 1sec for complete stall */
};
static uint64_t mp_event_count;
static android_log_context ctx;
static Reaper reaper;
static int reaper_comm_fd[2];
@ -2727,6 +2729,12 @@ static void mp_event_psi(int data, uint32_t events, struct polling_params *poll_
long direct_reclaim_duration_ms;
bool in_kswapd_reclaim;
mp_event_count++;
if (debug_process_killing) {
ALOGI("%s memory pressure event #%" PRIu64 " is triggered",
level_name[level], mp_event_count);
}
if (clock_gettime(CLOCK_MONOTONIC_COARSE, &curr_tm) != 0) {
ALOGE("Failed to get current time");
return;
@ -3091,8 +3099,10 @@ static void mp_event_common(int data, uint32_t events, struct polling_params *po
};
static struct wakeup_info wi;
mp_event_count++;
if (debug_process_killing) {
ALOGI("%s memory pressure event is triggered", level_name[level]);
ALOGI("%s memory pressure event #%" PRIu64 " is triggered",
level_name[level], mp_event_count);
}
if (!use_psi_monitors) {
@ -3607,6 +3617,8 @@ static void kernel_event_handler(int data __unused, uint32_t events __unused,
}
static bool init_monitors() {
ALOGI("Wakeup counter is reset from %" PRIu64 " to 0", mp_event_count);
mp_event_count = 0;
/* Try to use psi monitor first if kernel has it */
use_psi_monitors = GET_LMK_PROPERTY(bool, "use_psi", true) &&
init_psi_monitors();