Refine atom definitions for memory metrics.

Defines following atoms:
 -- AppStartMemoryStateChanged
 -- ProcessMemoryState
 -- LmkStateChanged
 -- LmkProcessKilled

These changes are based on the discussion with WestWorld team.
See: go/android-p-memory-metrics
Bug: 72177881
Test: Manual

Change-Id: I884f23f3d7627440af5faa25f9479ba0d8763bec
This commit is contained in:
Rajeev Kumar
2018-01-25 19:03:09 -08:00
parent 18ffea7130
commit 8a9fa058a4

View File

@@ -88,9 +88,11 @@ message Atom {
AppStartChanged app_start_changed = 48;
AppStartCancelChanged app_start_cancel_changed = 49;
AppStartFullyDrawnChanged app_start_fully_drawn_changed = 50;
LmkEventOccurred lmk_event_occurred = 51;
LmkKillOccurred lmk_kill_occurred = 51;
PictureInPictureStateChanged picture_in_picture_state_changed = 52;
WifiMulticastLockStateChanged wifi_multicast_lock_state_changed = 53;
LmkStateChanged lmk_state_changed = 54;
AppStartMemoryStateCaptured app_start_memory_state_captured = 55;
// TODO: Reorder the numbering so that the most frequent occur events occur in the first 15.
}
@@ -109,8 +111,8 @@ message Atom {
CpuTimePerUidFreq cpu_time_per_uid_freq = 10010;
WifiActivityEnergyInfo wifi_activity_energy_info = 10011;
ModemActivityInfo modem_activity_info = 10012;
ProcessMemoryStat process_memory_stat = 10013;
BluetoothActivityInfo bluetooth_activity_info = 10007;
ProcessMemoryState process_memory_state = 10013;
SystemElapsedRealtime system_elapsed_realtime = 10014;
SystemUptime system_uptime = 10015;
CpuActiveTime cpu_active_time = 10016;
@@ -1192,31 +1194,74 @@ message BluetoothActivityInfo {
}
/*
* Logs the memory stats for a process
* Logs the memory stats for an app on startup.
* Logged from:
* frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
*/
message ProcessMemoryStat {
message AppStartMemoryStateCaptured {
// The uid if available. -1 means not available.
optional int32 uid = 1;
// The process name.
optional string process_name = 2;
// The activity name.
optional string activity_name = 3;
// # of page-faults
optional int64 pgfault = 3;
optional int64 pgfault = 4;
// # of major page-faults
optional int64 pgmajfault = 4;
optional int64 pgmajfault = 5;
// RSS+CACHE(+SWAP)
optional int64 usage_in_bytes = 5;
optional int64 usage_in_bytes = 6;
}
/*
* Logs the event when LMKD kills a process to reduce memory pressure
* Logs the memory stats for a process.
*/
message ProcessMemoryState {
// The uid if available. -1 means not available.
optional int32 uid = 1;
// The process name.
optional string process_name = 2;
// oom adj score.
optional int32 oom_score = 3;
// # of page-faults
optional int64 pgfault = 4;
// # of major page-faults
optional int64 pgmajfault = 5;
// RSS+CACHE(+SWAP)
optional int64 usage_in_bytes = 6;
}
/*
* Logs the change in Low Memory Killer Daemon (LMKD) state which is used as start/stop boundaries
* for LMK event.
* Logged from:
* system/core/lmkd/lmkd.c
*/
message LmkEventOccurred {
message LmkStateChanged {
enum State {
UNKNOWN = 0;
START = 1;
STOP = 2;
}
optional State state = 1;
}
/*
* Logs the event when Low Memory Killer Daemon (LMKD) kills a process to reduce memory pressure.
* Logged from:
* system/core/lmkd/lmkd.c
*/
message LmkKillOccurred {
// The uid if available. -1 means not available.
optional int32 uid = 1;