Examples with FastPrintWriter com.android.internal.util.FastPrintWriter used on opensource projects

Example 16 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by ResurrectionRemix.

the class TransactionTracker method writeTracesToFile.

public void writeTracesToFile(ParcelFileDescriptor fd) {
    if (mTraces.isEmpty()) {
        return;
    }
    PrintWriter pw = new FastPrintWriter(new FileOutputStream(fd.getFileDescriptor()));
    synchronized (this) {
        for (String trace : mTraces.keySet()) {
            pw.println("Count: " + mTraces.get(trace));
            pw.println("Trace: " + trace);
            pw.println();
        }
    }
    pw.flush();
}

Example 17 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by ResurrectionRemix.

the class StrictMode method readAndHandleBinderCallViolations.

/**
     * Called from Parcel.readException() when the exception is EX_STRICT_MODE_VIOLATIONS,
     * we here read back all the encoded violations.
     */
/* package */
static void readAndHandleBinderCallViolations(Parcel p) {
    // Our own stack trace to append
    StringWriter sw = new StringWriter();
    sw.append("# via Binder call with stack:\n");
    PrintWriter pw = new FastPrintWriter(sw, false, 256);
    new LogStackTrace().printStackTrace(pw);
    pw.flush();
    String ourStack = sw.toString();
    final int policyMask = getThreadPolicyMask();
    final boolean currentlyGathering = (policyMask & PENALTY_GATHER) != 0;
    final int size = p.readInt();
    for (int i = 0; i < size; i++) {
        final ViolationInfo info = new ViolationInfo(p, !currentlyGathering);
        info.crashInfo.appendStackTrace(ourStack);
        BlockGuard.Policy policy = BlockGuard.getThreadPolicy();
        if (policy instanceof AndroidBlockGuardPolicy) {
            ((AndroidBlockGuardPolicy) policy).handleViolationWithTimingAttempt(info);
        }
    }
}

Example 18 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by ResurrectionRemix.

the class BinderProxy method dumpAsync.

/**
     * Like {@link #dump(FileDescriptor, String[])}, but ensures the target
     * executes asynchronously.
     */
public void dumpAsync(final FileDescriptor fd, final String[] args) {
    final FileOutputStream fout = new FileOutputStream(fd);
    final PrintWriter pw = new FastPrintWriter(fout);
    Thread thr = new Thread("Binder.dumpAsync") {

        public void run() {
            try {
                dump(fd, pw, args);
            } finally {
                pw.flush();
            }
        }
    };
    thr.start();
}

Example 19 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by ResurrectionRemix.

the class ProcessCpuTracker method printCurrentLoad.

public final String printCurrentLoad() {
    StringWriter sw = new StringWriter();
    PrintWriter pw = new FastPrintWriter(sw, false, 128);
    pw.print("Load: ");
    pw.print(mLoad1);
    pw.print(" / ");
    pw.print(mLoad5);
    pw.print(" / ");
    pw.println(mLoad15);
    pw.flush();
    return sw.toString();
}

Example 20 with FastPrintWriter

use of com.android.internal.util.FastPrintWriter in project android_frameworks_base by ResurrectionRemix.

the class ProcessCpuTracker method printCurrentState.

public final String printCurrentState(long now) {
    final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
    buildWorkingProcs();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new FastPrintWriter(sw, false, 1024);
    pw.print("CPU usage from ");
    if (now > mLastSampleTime) {
        pw.print(now - mLastSampleTime);
        pw.print("ms to ");
        pw.print(now - mCurrentSampleTime);
        pw.print("ms ago");
    } else {
        pw.print(mLastSampleTime - now);
        pw.print("ms to ");
        pw.print(mCurrentSampleTime - now);
        pw.print("ms later");
    }
    pw.print(" (");
    pw.print(sdf.format(new Date(mLastSampleWallTime)));
    pw.print(" to ");
    pw.print(sdf.format(new Date(mCurrentSampleWallTime)));
    pw.print(")");
    long sampleTime = mCurrentSampleTime - mLastSampleTime;
    long sampleRealTime = mCurrentSampleRealTime - mLastSampleRealTime;
    long percAwake = sampleRealTime > 0 ? ((sampleTime * 100) / sampleRealTime) : 0;
    if (percAwake != 100) {
        pw.print(" with ");
        pw.print(percAwake);
        pw.print("% awake");
    }
    pw.println(":");
    final int totalTime = mRelUserTime + mRelSystemTime + mRelIoWaitTime + mRelIrqTime + mRelSoftIrqTime + mRelIdleTime;
    if (DEBUG)
        Slog.i(TAG, "totalTime " + totalTime + " over sample time " + (mCurrentSampleTime - mLastSampleTime));
    int N = mWorkingProcs.size();
    for (int i = 0; i < N; i++) {
        Stats st = mWorkingProcs.get(i);
        printProcessCPU(pw, st.added ? " +" : (st.removed ? " -" : "  "), st.pid, st.name, (int) st.rel_uptime, st.rel_utime, st.rel_stime, 0, 0, 0, st.rel_minfaults, st.rel_majfaults);
        if (!st.removed && st.workingThreads != null) {
            int M = st.workingThreads.size();
            for (int j = 0; j < M; j++) {
                Stats tst = st.workingThreads.get(j);
                printProcessCPU(pw, tst.added ? "   +" : (tst.removed ? "   -" : "    "), tst.pid, tst.name, (int) st.rel_uptime, tst.rel_utime, tst.rel_stime, 0, 0, 0, 0, 0);
            }
        }
    }
    printProcessCPU(pw, "", -1, "TOTAL", totalTime, mRelUserTime, mRelSystemTime, mRelIoWaitTime, mRelIrqTime, mRelSoftIrqTime, 0, 0);
    pw.flush();
    return sw.toString();
}