Merge "Prune files from /data/anr/ by number as well as age." (6941fcd8) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/ActivityManagerService.java

+9 −8

Original line number	Original line	Diff line number	Diff line
	@@ -5681,15 +5681,16 @@ public class ActivityManagerService extends IActivityManager.Stub
	* since it's the system_server that creates trace files for most ANRs.		* since it's the system_server that creates trace files for most ANRs.
	*/		*/
	private static void maybePruneOldTraces(File tracesDir) {		private static void maybePruneOldTraces(File tracesDir) {
	final long now = System.currentTimeMillis();		final File[] files = tracesDir.listFiles();
	final File[] traceFiles = tracesDir.listFiles();		if (files == null) return;

	if (traceFiles != null) {		final int max = SystemProperties.getInt("tombstoned.max_anr_count", 64);
	for (File file : traceFiles) {		final long now = System.currentTimeMillis();
	if ((now - file.lastModified()) > DAY_IN_MILLIS) {		Arrays.sort(files, Comparator.comparingLong(File::lastModified).reversed());
	if (!file.delete()) {		for (int i = 0; i < files.length; ++i) {
	Slog.w(TAG, "Unable to prune stale trace file: " + file);		if (i > max \|\| (now - files[i].lastModified()) > DAY_IN_MILLIS) {
	}		if (!files[i].delete()) {
			Slog.w(TAG, "Unable to prune stale trace file: " + files[i]);
	}		}
	}		}
	}		}