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Commit ca3329cc authored by Philip Cuadra's avatar Philip Cuadra
Browse files

Add tracing events for system service lifecycle events 

To help debug time spent on startup, add tracing events for system
service lifecycle events.

Change-Id: Icfdafe2b1fa56a2533af0cf08810ef455c20939a
parent 0cacb14c

services/core/java/com/android/server/SystemServiceManager.java

+15 −0
Original line number Diff line number Diff line
@@ -156,12 +156,15 @@ public class SystemServiceManager { 
        final int serviceLen = mServices.size();

        for (int i = 0; i < serviceLen; i++) {

            final SystemService service = mServices.get(i);

            Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "onStartUser "

                    + service.getClass().getName());

            try {

                service.onStartUser(userHandle);

            } catch (Exception ex) {

                Slog.wtf(TAG, "Failure reporting start of user " + userHandle

                        + " to service " + service.getClass().getName(), ex);

            }

            Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);

        }

    }
@@ -169,12 +172,15 @@ public class SystemServiceManager { 
        final int serviceLen = mServices.size();

        for (int i = 0; i < serviceLen; i++) {

            final SystemService service = mServices.get(i);

            Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "onUnlockUser "

                    + service.getClass().getName());

            try {

                service.onUnlockUser(userHandle);

            } catch (Exception ex) {

                Slog.wtf(TAG, "Failure reporting unlock of user " + userHandle

                        + " to service " + service.getClass().getName(), ex);

            }

            Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);

        }

    }
@@ -182,12 +188,15 @@ public class SystemServiceManager { 
        final int serviceLen = mServices.size();

        for (int i = 0; i < serviceLen; i++) {

            final SystemService service = mServices.get(i);

            Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "onSwitchUser "

                    + service.getClass().getName());

            try {

                service.onSwitchUser(userHandle);

            } catch (Exception ex) {

                Slog.wtf(TAG, "Failure reporting switch of user " + userHandle

                        + " to service " + service.getClass().getName(), ex);

            }

            Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);

        }

    }
@@ -195,12 +204,15 @@ public class SystemServiceManager { 
        final int serviceLen = mServices.size();

        for (int i = 0; i < serviceLen; i++) {

            final SystemService service = mServices.get(i);

            Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "onStopUser "

                    + service.getClass().getName());

            try {

                service.onStopUser(userHandle);

            } catch (Exception ex) {

                Slog.wtf(TAG, "Failure reporting stop of user " + userHandle

                        + " to service " + service.getClass().getName(), ex);

            }

            Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);

        }

    }
@@ -208,12 +220,15 @@ public class SystemServiceManager { 
        final int serviceLen = mServices.size();

        for (int i = 0; i < serviceLen; i++) {

            final SystemService service = mServices.get(i);

            Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "onCleanupUser "

                    + service.getClass().getName());

            try {

                service.onCleanupUser(userHandle);

            } catch (Exception ex) {

                Slog.wtf(TAG, "Failure reporting cleanup of user " + userHandle

                        + " to service " + service.getClass().getName(), ex);

            }

            Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);

        }

    }