Merge "[Optimize][am_kill]add pss for process exit due to am_kill" into main am: a73a8b3a9e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2935570

Change-Id: I2843d67c43247fcb7aadf39e81831f369c16f03f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

3 files changed, 13 insertions, 3 deletions

diff --git a/services/core/java/com/android/server/am/EventLogTags.logtags b/services/core/java/com/android/server/am/EventLogTags.logtags
index 2aed8476d031..0f75ad481662 100644
--- a/services/core/java/com/android/server/am/EventLogTags.logtags
+++ b/services/core/java/com/android/server/am/EventLogTags.logtags
@@ -31,7 +31,7 @@ option java_package com.android.server.am
 30017 am_low_memory (Num Processes|1|1)
 
 # Kill a process to reclaim memory.
-30023 am_kill (User|1|5),(PID|1|5),(Process Name|3),(OomAdj|1|5),(Reason|3)
+30023 am_kill (User|1|5),(PID|1|5),(Process Name|3),(OomAdj|1|5),(Reason|3),(Rss|2|2)
 # Discard an undelivered serialized broadcast (timeout/ANR/crash)
 30024 am_broadcast_discard_filter (User|1|5),(Broadcast|1|5),(Action|3),(Receiver Number|1|1),(BroadcastFilter|1|5)
 30025 am_broadcast_discard_app (User|1|5),(Broadcast|1|5),(Action|3),(Receiver Number|1|1),(App|3)
diff --git a/services/core/java/com/android/server/am/PhantomProcessRecord.java b/services/core/java/com/android/server/am/PhantomProcessRecord.java
index 1a692df94dd0..ac96bdc1a27d 100644
--- a/services/core/java/com/android/server/am/PhantomProcessRecord.java
+++ b/services/core/java/com/android/server/am/PhantomProcessRecord.java
@@ -105,6 +105,11 @@ public final class PhantomProcessRecord {
         }
     }
 
+    public long getRss(int pid) {
+        long[] rss = Process.getRss(pid);
+        return (rss != null && rss.length > 0) ? rss[0] : 0;
+    }
+
     @GuardedBy("mLock")
     void killLocked(String reason, boolean noisy) {
         if (!mKilled) {
@@ -115,7 +120,7 @@ public final class PhantomProcessRecord {
             }
             if (mPid > 0) {
                 EventLog.writeEvent(EventLogTags.AM_KILL, UserHandle.getUserId(mUid),
-                        mPid, mProcessName, mAdj, reason);
+                        mPid, mProcessName, mAdj, reason, getRss(mPid));
                 if (!Process.supportsPidFd()) {
                     onProcDied(false);
                 } else {
diff --git a/services/core/java/com/android/server/am/ProcessRecord.java b/services/core/java/com/android/server/am/ProcessRecord.java
index b4cd6a31291e..36693facec6c 100644
--- a/services/core/java/com/android/server/am/ProcessRecord.java
+++ b/services/core/java/com/android/server/am/ProcessRecord.java
@@ -1184,6 +1184,11 @@ class ProcessRecord implements WindowProcessListener {
         }
     }
 
+    public long getRss(int pid) {
+        long[] rss = Process.getRss(pid);
+        return (rss != null && rss.length > 0) ? rss[0] : 0;
+    }
+
     @GuardedBy("mService")
     void killLocked(String reason, @Reason int reasonCode, boolean noisy) {
         killLocked(reason, reasonCode, ApplicationExitInfo.SUBREASON_UNKNOWN, noisy, true);
@@ -1227,7 +1232,7 @@ class ProcessRecord implements WindowProcessListener {
             if (mPid > 0) {
                 mService.mProcessList.noteAppKill(this, reasonCode, subReason, description);
                 EventLog.writeEvent(EventLogTags.AM_KILL,
-                        userId, mPid, processName, mState.getSetAdj(), reason);
+                        userId, mPid, processName, mState.getSetAdj(), reason, getRss(mPid));
                 Process.killProcessQuiet(mPid);
                 killProcessGroupIfNecessaryLocked(asyncKPG);
             } else {