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Commit 4f058803 authored by Hui Yu's avatar Hui Yu Committed by Android (Google) Code Review
Browse files

Merge "Add statsd atom PROCESS_START_TIME"

parents fd80b7c0 885aca1b
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+57 −0
Original line number Diff line number Diff line
@@ -235,6 +235,7 @@ message Atom {
        BluetoothClassicPairingEventReported bluetooth_classic_pairing_event_reported = 166;
        BluetoothSmpPairingEventReported bluetooth_smp_pairing_event_reported = 167;
        ScreenTimeoutExtensionReported screen_timeout_extension_reported = 168;
        ProcessStartTime process_start_time = 169;
    }

    // Pulled events will start at field 10000.
@@ -5304,3 +5305,59 @@ message ScreenTimeoutExtensionReported {
    // Describes how many times in a row did the power manager reset the screen off timeout.
    optional uint32 consecutive_timeout_extended_count = 1;
}

/*
* Logs number of milliseconds it takes to start a process.
* The definition of app process start time is from the app launch time to
* the time that Zygote finished forking the app process and loaded the
* application package's java classes.

* This metric is different from AppStartOccurred which is for foreground
* activity only.

* ProcessStartTime can report all processes (both foreground and background)
* start time.
*
* Logged from:
*   frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
*/
message ProcessStartTime {
    // The uid of the ProcessRecord.
    optional int32 uid = 1 [(is_uid) = true];

    // The process pid.
    optional int32 pid = 2;

    // The process name.
    // Usually package name, "system" for system server.
    // Provided by ActivityManagerService.
    optional string process_name = 3;

    enum StartType {
        UNKNOWN = 0;
        WARM = 1;
        HOT = 2;
        COLD = 3;
    }

    // The start type.
    optional StartType type = 4;

    // The elapsed realtime at the start of the process.
    optional int64 process_start_time_millis = 5;

    // Number of milliseconds it takes to reach bind application.
    optional int32 bind_application_delay_millis = 6;

    // Number of milliseconds it takes to finish start of the process.
    optional int32 process_start_delay_millis = 7;

    // hostingType field in ProcessRecord, the component type such as "activity",
    // "service", "content provider", "broadcast" or other strings.
    optional string hosting_type = 8;

    // hostingNameStr field in ProcessRecord. The component class name that runs
    // in this process.
    optional string hosting_name = 9;
}
+13 −0
Original line number Diff line number Diff line
@@ -4504,6 +4504,7 @@ public class ActivityManagerService extends IActivityManager.Stub
        // next app record if we are emulating process with anonymous threads.
        ProcessRecord app;
        long startTime = SystemClock.uptimeMillis();
        long bindApplicationTimeMillis;
        if (pid != MY_PID && pid >= 0) {
            synchronized (mPidsSelfLocked) {
                app = mPidsSelfLocked.get(pid);
@@ -4741,6 +4742,7 @@ public class ActivityManagerService extends IActivityManager.Stub
            }
            checkTime(startTime, "attachApplicationLocked: immediately before bindApplication");
            bindApplicationTimeMillis = SystemClock.elapsedRealtime();
            mAtmInternal.preBindApplication(app.getWindowProcessController());
            final ActiveInstrumentation instr2 = app.getActiveInstrumentation();
            if (app.isolatedEntryPoint != null) {
@@ -4862,6 +4864,17 @@ public class ActivityManagerService extends IActivityManager.Stub
            checkTime(startTime, "attachApplicationLocked: after updateOomAdjLocked");
        }
        StatsLog.write(
                StatsLog.PROCESS_START_TIME,
                app.info.uid,
                app.pid,
                app.info.packageName,
                StatsLog.PROCESS_START_TIME__TYPE__COLD,
                app.startTime,
                (int) (bindApplicationTimeMillis - app.startTime),
                (int) (SystemClock.elapsedRealtime() - app.startTime),
                app.hostingType,
                (app.hostingNameStr != null ? app.hostingNameStr : ""));
        return true;
    }