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[6.2.0][技术优化] 优化各线程cpu使用的锁相关逻辑

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renwj
2023-11-23 20:03:05 +08:00
parent 806915e9aa
commit 6ad3b64bc0
5 changed files with 112 additions and 100 deletions
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157
app/src/main/java/com/mogo/launcher/lancet/jank/spi/HookInvokerImpl.java
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@@ -12,8 +12,8 @@ import com.mogo.eagle.core.function.api.devatools.perf.IMoGoCpuUsageProvider;
import com.mogo.eagle.core.function.call.devatools.CallerDevaToolsManager;
import com.mogo.eagle.core.function.main.ARouterUtils;
import com.zhjt.service.chain.ChainLog;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.locks.Lock;
@AutoService(IHookInvoker.class)
@@ -22,7 +22,6 @@ public class HookInvokerImpl implements IHookInvoker {
private final Looper mainLooper = Looper.getMainLooper();
private final ThreadLocal<Long> startTime = new ThreadLocal<>();
private final AtomicLong syncLockStartTime = new AtomicLong(0L);
private final ThreadLocal<StringBuilder> message = new ThreadLocal<>();
@@ -30,16 +29,12 @@ public class HookInvokerImpl implements IHookInvoker {
private final AtomicReference<Thread> holder = new AtomicReference<>();
private String holderDesc = null;
private final StringBuilder extra = new StringBuilder();
private volatile IMoGoCpuUsageProvider provider;
private volatile boolean getProviderRequested = false;
private final long logThreshold = 5; //日志打印阈值
private final long dumpStackThreshold = 20; // dump堆栈阈值
private volatile boolean isCanDump = false; // 是否可以Dump堆栈，加此标记位是防止应用启动过程中，由于dump主线程堆栈导致启动耗时
// 切记: 请勿在此方法中调用其它模块类中的api,可能会出现StackOverFlowException
@@ -47,7 +42,12 @@ public class HookInvokerImpl implements IHookInvoker {
public void i(Type type, Object caller,String methodName, Object... objects) {
startTime.set(SystemClock.elapsedRealtime());
boolean isMainThread = mainLooper == Looper.myLooper();
handleSynchronizedLock(isMainThread, caller, methodName, objects);
if (type == Type.SYNCHRONIZED_LOCK) {
handleSynchronizedLock(isMainThread, caller, methodName, objects);
}
if (type == Type.AQS_LOCK) {
handleAqsLockEnterBefore(isMainThread, caller, methodName, objects);
}
if (!getProviderRequested && provider == null && mainLooper != Looper.myLooper() && ARouterUtils.isInit.get()) {
getProviderRequested = true;
new Thread(() -> {
@@ -70,19 +70,22 @@ public class HookInvokerImpl implements IHookInvoker {
// 切记: 请勿在此方法中调用其它模块类中的api,可能会出现StackOverFlowException
@Override
public void o(Type type, Object caller,String methodName, Object... objects) {
public void o(Type type, Object caller,String methodName, Object... args) {
long now = SystemClock.elapsedRealtime();
Long old = startTime.get();
long cost = now - (old == null ? now : old);
if (mainLooper == Looper.myLooper() && type != Type.SYNCHRONIZED_LOCK) {
handleCostTimeRecord(type, caller, methodName, cost, objects);
boolean isMainThread = mainLooper == Looper.myLooper();
if (isMainThread && type != Type.SYNCHRONIZED_LOCK) {
handleCostTimeRecord(type, null, caller, methodName, cost, args);
}
if (mainLooper == Looper.myLooper() && type == Type.ACTIVITY) {
handleActivity((Activity) caller, methodName);
if (isMainThread && type == Type.ACTIVITY) {
handleActivity((Activity) caller, methodName, args);
}
if (type == Type.AQS_LOCK) {
handleAqsLockEnterAfter(isMainThread, caller, methodName, args);
}
if (provider != null) {
if (mainLooper == Looper.myLooper()) {
if (isMainThread) {
provider.updateMainThreadTime();
} else {
provider.updateOtherThreadTime();
@@ -90,7 +93,32 @@ public class HookInvokerImpl implements IHookInvoker {
}
}
private void handleCostTimeRecord(Type type, Object caller, String methodName, long cost, Object... args) {
private void handleAqsLockEnterBefore(boolean isMainThread, Object caller, String methodName, Object[] objects) {
if (isMainThread && caller instanceof Lock) {
if ("lock".equals(methodName) || "lockInterruptibly".equals(methodName)) {
if (extra.length() > 0) {
extra.setLength(0);
}
extra.append(caller);
}
}
}
private void handleAqsLockEnterAfter(boolean isMainThread, Object caller, String methodName, Object[] objects) {
if (isMainThread && caller instanceof Lock) {
if ("lock".equals(methodName) || "lockInterruptibly".equals(methodName)) {
Long start = startTime.get();
if (start != null) {
long dur = SystemClock.elapsedRealtime() - start;
handleCostTimeRecord(Type.AQS_LOCK, extra, caller, methodName, dur, objects);
}
}
}
}
private void handleCostTimeRecord(Type type, StringBuilder extra, Object caller, String methodName, long cost, Object... args) {
//日志打印阈值
long logThreshold = 5;
if (cost >= logThreshold) {
StringBuilder builder = message.get();
if (builder == null) {
@@ -123,6 +151,13 @@ public class HookInvokerImpl implements IHookInvoker {
}
builder.append("#").append(cost);
if (extra != null && extra.length() > 0) {
builder.append("#");
builder.append(extra);
extra.setLength(0);
}
// dump堆栈阈值
long dumpStackThreshold = 20;
if (cost >= dumpStackThreshold && isCanDump) {
builder.append("\n");
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
@@ -131,13 +166,13 @@ public class HookInvokerImpl implements IHookInvoker {
}
builder.setLength(builder.length() - 1);
}
Log.w("HookHandler", "Jank Detected:" + builder);
Log.w("HookHandler", "Junk Detected:" + builder);
linkedLog(type, builder.toString());
}
}
private void handleActivity(Activity caller, String methodName) {
private void handleActivity(Activity caller, String methodName, Object... args) {
if ("onCreate".equals(methodName)) {
try {
IMoGoBlockProvider block = CallerDevaToolsManager.INSTANCE.block();
@@ -157,8 +192,14 @@ public class HookInvokerImpl implements IHookInvoker {
} catch (Throwable t) {
t.printStackTrace();
}
if (!isCanDump) {
isCanDump = true;
}
if ("onWindowFocusChanged".equals(methodName)) {
if (args.length > 0) {
boolean hasFocus = (boolean)args[0];
if (hasFocus && !isCanDump) {
isCanDump = true;
}
}
}
@@ -188,70 +229,38 @@ public class HookInvokerImpl implements IHookInvoker {
private void handleSynchronizedLock(boolean isMainThread,Object caller, String methodName, Object [] objects) {
if (isMainThread) {
if ("onMonitorBefore".equals(methodName)) {
syncLockStartTime.set(SystemClock.elapsedRealtime());
Object monitor = null;
if (objects.length > 0) {
this.monitor.set(objects[0]);
this.monitor.set(monitor = objects[0]);
}
Thread holder = this.holder.get();
if (holder != null) {
holderDesc = holder.toString();
StringBuilder sb = new StringBuilder();
if (monitor != null) {
sb.append("monitor::").append(monitor.getClass().getName());
}
if (holder != null) {
if (sb.length() > 0) {
sb.append("##holder::").append(holder);
} else {
sb.append("holder::").append(holder);
}
}
if (extra.length() > 0) {
extra.setLength(0);
}
extra.append(sb);
}
if ("onMonitorEnter".equals(methodName)) {
long elapsedTime = SystemClock.elapsedRealtime() - syncLockStartTime.get();
if (elapsedTime >= logThreshold) {
StringBuilder builder = message.get();
if (builder == null) {
builder = new StringBuilder();
message.set(builder);
}
if (builder.length() > 0) {
builder.setLength(0);
}
builder
.append(Type.SYNCHRONIZED_LOCK)
.append("#")
.append(caller == null ? "caller is null" : caller.getClass().getSimpleName())
.append("#")
.append(methodName);
if (objects.length > 0) {
builder.append("#(");
}
for (Object o : objects) {
if (o == null) {
continue;
}
builder.append(o.getClass().getSimpleName())
.append(",");
}
if (objects.length > 0) {
builder.setLength(builder.length() - 1);
builder.append(")");
}
builder.append("#").append(elapsedTime);
Object monitor = this.monitor.get();
if (monitor != null) {
builder.append("#").append("monitor->").append(monitor.getClass().getName()).append("@").append(monitor.hashCode());
}
if (holderDesc != null) {
builder.append("#").append("holder->").append(holderDesc);
}
if (elapsedTime >= dumpStackThreshold && isCanDump) {
builder.append("\n");
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
for (StackTraceElement trace: stackTrace) {
builder.append(trace.getClassName()).append("#").append(trace.getMethodName()).append("#").append(trace.getLineNumber()).append("\n");
}
builder.setLength(builder.length() - 1);
}
Log.w("HookHandler", "Jank detected:" + builder);
linkedLog(Type.SYNCHRONIZED_LOCK, builder.toString());
Long startTime = this.startTime.get();
if (startTime == null) {
return;
}
long cost = SystemClock.elapsedRealtime() - startTime;
handleCostTimeRecord(Type.SYNCHRONIZED_LOCK, extra, caller, methodName, cost, objects);
}
if ("onMonitorExit".equals(methodName)) {
this.monitor.remove();
holderDesc = null;
}
} else {
if ("onMonitorBefore".equals(methodName)) {