wenchao-hao
/
lmkd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Snap for 4680594 from ca47ae35135d1b77ee89641f972eb60ab7522b5a to pi-release 

Change-Id: Ia0ebf1e82b207d979c2300e7ca589d0928531199
This commit is contained in:
android-build-team Robot 2018-03-27 07:27:32 +00:00
parent 40a124e050 88bfbef576
commit d49c7d1ad1
3 changed files with 26 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Android.bp
View File

@ -12,6 +12,13 @@ cc_binary {
local_include_dirs: ["include"],
cflags: ["-Werror", "-DLMKD_TRACE_KILLS"],
init_rc: ["lmkd.rc"],
product_variables: {
use_lmkd_stats_log: {
cflags: [
"-DLMKD_LOG_STATS"
],
},
},
}
cc_library_static {

4
lmkd.c
View File

@ -1201,7 +1201,7 @@ int main(int argc __unused, char **argv __unused) {
(unsigned long)property_get_int32("ro.lmk.kill_timeout_ms", 0);
#ifdef LMKD_LOG_STATS
statlog_init();
statslog_init(&log_ctx, &enable_stats_log);
#endif
// MCL_ONFAULT pins pages as they fault instead of loading
@ -1221,7 +1221,7 @@ int main(int argc __unused, char **argv __unused) {
mainloop();
#ifdef LMKD_LOG_STATS
statslog_destroy();
statslog_destroy(&log_ctx);
#endif
ALOGI("exiting");

30
statslog.h
View File

@ -17,6 +17,7 @@
#ifndef _STATSLOG_H_
#define _STATSLOG_H_
#include <assert.h>
#include <stdbool.h>
#include <sys/cdefs.h>
@ -34,17 +35,26 @@ __BEGIN_DECLS
#define LMK_STATE_CHANGE_START 1
#define LMK_STATE_CHANGE_STOP 2
static inline void statslog_init() {
enable_stats_log = property_get_bool("ro.lmk.log_stats", false);
/*
* The single event tag id for all stats logs.
* Keep this in sync with system/core/logcat/event.logtags
*/
const static int kStatsEventTag = 1937006964;
if (enable_stats_log) {
log_ctx = create_android_logger(kStatsEventTag);
static inline void statslog_init(android_log_context* log_ctx, bool* enable_stats_log) {
assert(log_ctx != NULL);
assert(enable_stats_log != NULL);
*enable_stats_log = property_get_bool("ro.lmk.log_stats", false);
if (*enable_stats_log) {
*log_ctx = create_android_logger(kStatsEventTag);
}
}
static inline void statslog_destroy() {
if (log_ctx) {
android_log_destroy(&log_ctx);
static inline void statslog_destroy(android_log_context* log_ctx) {
assert(log_ctx != NULL);
if (*log_ctx) {
android_log_destroy(log_ctx);
}
}
@ -58,12 +68,6 @@ struct memory_stat {
#define MEMCG_PROCESS_MEMORY_STAT_PATH "/dev/memcg/apps/uid_%u/pid_%u/memory.stat"
/*
* The single event tag id for all stats logs.
* Keep this in sync with system/core/logcat/event.logtags
*/
const static int kStatsEventTag = 1937006964;
/**
* Logs the change in LMKD state which is used as start/stop boundaries for logging
* LMK_KILL_OCCURRED event.