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Merge "Add a unique id to Perfetto trace and ANR dropbox header." into sc-dev

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This commit is contained in:
Yandry Perez Clemente
2021-05-17 15:13:13 +00:00
committed by Android (Google) Code Review
parent 740e4584fd b19fc200dc
commit c1b0d9ac23
6 changed files with 93 additions and 8 deletions
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7
core/java/android/provider/DeviceConfig.java
View File

@@ -587,6 +587,13 @@ public final class DeviceConfig {
*/
public static final String NAMESPACE_CONSTRAIN_DISPLAY_APIS = "constrain_display_apis";
/**
* Trace error logger properties definitions.
*
* @hide
*/
public static final String NAMESPACE_TRACE_ERROR_LOGGER = "trace_error_logger";
private static final Object sLock = new Object();
@GuardedBy("sLock")
private static ArrayMap<OnPropertiesChangedListener, Pair<String, Executor>> sListeners =

2
services/core/java/com/android/server/Watchdog.java
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@@ -699,7 +699,7 @@ public class Watchdog {
if (mActivity != null) {
mActivity.addErrorToDropBox(
"watchdog", null, "system_server", null, null, null,
localSubject, report.toString(), stack, null, null, null);
localSubject, report.toString(), stack, null, null, null, null);
}
FrameworkStatsLog.write(FrameworkStatsLog.SYSTEM_SERVER_WATCHDOG_OCCURRED,
localSubject);

17
services/core/java/com/android/server/am/ActivityManagerService.java
View File

@@ -420,6 +420,7 @@ import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicInteger;
@@ -621,6 +622,8 @@ public class ActivityManagerService extends IActivityManager.Stub
@GuardedBy("this")
BroadcastStats mCurBroadcastStats;
TraceErrorLogger mTraceErrorLogger;
BroadcastQueue broadcastQueueForIntent(Intent intent) {
if (isOnOffloadQueue(intent.getFlags())) {
if (DEBUG_BROADCAST_BACKGROUND) {
@@ -2336,6 +2339,7 @@ public class ActivityManagerService extends IActivityManager.Stub
mInternal = new LocalService();
mPendingStartActivityUids = new PendingStartActivityUids(mContext);
mTraceErrorLogger = new TraceErrorLogger();
}
public void setSystemServiceManager(SystemServiceManager mgr) {
@@ -7810,7 +7814,7 @@ public class ActivityManagerService extends IActivityManager.Stub
addErrorToDropBox(
eventType, r, processName, null, null, null, null, null, null, crashInfo,
new Float(loadingProgress), incrementalMetrics);
new Float(loadingProgress), incrementalMetrics, null);
mAppErrors.crashApplication(r, crashInfo);
}
@@ -7993,7 +7997,7 @@ public class ActivityManagerService extends IActivityManager.Stub
callingPid, (r != null) ? r.getProcessClassEnum() : 0);
addErrorToDropBox("wtf", r, processName, null, null, null, tag, null, null, crashInfo,
null, null);
null, null, null);
return r;
}
@@ -8018,7 +8022,7 @@ public class ActivityManagerService extends IActivityManager.Stub
for (Pair<String, ApplicationErrorReport.CrashInfo> p = list.poll();
p != null; p = list.poll()) {
addErrorToDropBox("wtf", proc, "system_server", null, null, null, p.first, null, null,
p.second, null, null);
p.second, null, null, null);
}
}
@@ -8109,13 +8113,15 @@ public class ActivityManagerService extends IActivityManager.Stub
* @param crashInfo giving an application stack trace, null if absent
* @param loadingProgress the loading progress of an installed package, range in [0, 1].
* @param incrementalMetrics metrics for apps installed on Incremental.
* @param errorId a unique id to append to the dropbox headers.
*/
public void addErrorToDropBox(String eventType,
ProcessRecord process, String processName, String activityShortComponentName,
String parentShortComponentName, ProcessRecord parentProcess,
String subject, final String report, final File dataFile,
final ApplicationErrorReport.CrashInfo crashInfo,
@Nullable Float loadingProgress, @Nullable IncrementalMetrics incrementalMetrics) {
@Nullable Float loadingProgress, @Nullable IncrementalMetrics incrementalMetrics,
@Nullable UUID errorId) {
// NOTE -- this must never acquire the ActivityManagerService lock,
// otherwise the watchdog may be prevented from resetting the system.
@@ -8169,6 +8175,9 @@ public class ActivityManagerService extends IActivityManager.Stub
if (subject != null) {
sb.append("Subject: ").append(subject).append("\n");
}
if (errorId != null) {
sb.append("ErrorId: ").append(errorId.toString()).append("\n");
}
sb.append("Build: ").append(Build.FINGERPRINT).append("\n");
if (Debug.isDebuggerConnected()) {
sb.append("Debugger: Connected\n");

2
services/core/java/com/android/server/am/AppProfiler.java
View File

@@ -1627,7 +1627,7 @@ public class AppProfiler {
dropBuilder.append(catSw.toString());
FrameworkStatsLog.write(FrameworkStatsLog.LOW_MEM_REPORTED);
mService.addErrorToDropBox("lowmem", null, "system_server", null,
null, null, tag.toString(), dropBuilder.toString(), null, null, null, null);
null, null, tag.toString(), dropBuilder.toString(), null, null, null, null, null);
synchronized (mService) {
long now = SystemClock.uptimeMillis();
if (mLastMemUsageReportTime < now) {

15
services/core/java/com/android/server/am/ProcessErrorStateRecord.java
View File

@@ -55,7 +55,7 @@ import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.UUID;
/**
* The error state of the process, such as if it's crashing/ANR etc.
*/
@@ -235,6 +235,7 @@ class ProcessErrorStateRecord {
final boolean isSilentAnr;
final int pid = mApp.getPid();
final UUID errorId;
synchronized (mService) {
// PowerManager.reboot() can block for a long time, so ignore ANRs while shutting down.
if (mService.mAtmInternal.isShuttingDown()) {
@@ -264,6 +265,13 @@ class ProcessErrorStateRecord {
EventLog.writeEvent(EventLogTags.AM_ANR, mApp.userId, pid, mApp.processName,
mApp.info.flags, annotation);
if (mService.mTraceErrorLogger.isAddErrorIdEnabled()) {
errorId = mService.mTraceErrorLogger.generateErrorId();
mService.mTraceErrorLogger.addErrorIdToTrace(errorId);
} else {
errorId = null;
}
// Dump thread traces as quickly as we can, starting with "interesting" processes.
firstPids.add(pid);
@@ -315,6 +323,9 @@ class ProcessErrorStateRecord {
&& parentShortComponentName.equals(activityShortComponentName)) {
info.append("Parent: ").append(parentShortComponentName).append("\n");
}
if (errorId != null) {
info.append("ErrorId: ").append(errorId.toString()).append("\n");
}
// Retrieve controller with max ANR delay from AnrControllers
// Note that we retrieve the controller before dumping stacks because dumping stacks can
@@ -457,7 +468,7 @@ class ProcessErrorStateRecord {
? (ProcessRecord) parentProcess.mOwner : null;
mService.addErrorToDropBox("anr", mApp, mApp.processName, activityShortComponentName,
parentShortComponentName, parentPr, annotation, report.toString(), tracesFile,
null, new Float(loadingProgress), incrementalMetrics);
null, new Float(loadingProgress), incrementalMetrics, errorId);
if (mApp.getWindowProcessController().appNotResponding(info.toString(),
() -> {

58
services/core/java/com/android/server/am/TraceErrorLogger.java Normal file
View File

@@ -0,0 +1,58 @@
/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.am;
import android.os.Trace;
import android.provider.DeviceConfig;
import java.util.UUID;
/**
* Adds a unique id to a trace.
*
* @hide
*/
class TraceErrorLogger {
private static final String COUNTER_PREFIX = "ErrorId:";
private static final String ADD_ERROR_ID = "add_error_id";
private static final int PLACEHOLDER_VALUE = 1;
public boolean isAddErrorIdEnabled() {
return DeviceConfig
.getBoolean(DeviceConfig.NAMESPACE_TRACE_ERROR_LOGGER, ADD_ERROR_ID,
false);
}
/**
* Generates a unique id with which to tag a trace.
*/
public UUID generateErrorId() {
return UUID.randomUUID();
}
/**
* Pushes a counter containing a unique id and a label {@link #COUNTER_PREFIX} so that traces
* can be uniquely identified. We also add the same id to the dropbox entry of the error, so
* that we can join the trace and the error server-side.
*
* @param errorId The unique id with which to tag the trace.
*/
public void addErrorIdToTrace(UUID errorId) {
Trace.traceCounter(Trace.TRACE_TAG_ACTIVITY_MANAGER, COUNTER_PREFIX + errorId.toString(),
PLACEHOLDER_VALUE);
}
}