make sure anrd trace is being collected. (05352fd5) · Commits · e / os / android_frameworks_native

cmds/dumpstate/dumpstate.cpp

+19 −1

Original line number	Diff line number	Diff line
		@@ -219,7 +219,8 @@ static bool dump_anrd_trace() {
		struct dirent *trace;
		struct stat st;
		DIR *trace_dir;
		long max_ctime = 0;
		int retry = 5;
		long max_ctime = 0, old_mtime;
		long long cur_size = 0;
		const char *trace_path = "/data/misc/anrd/";

		@@ -232,6 +233,13 @@ static bool dump_anrd_trace() {
		pid = pid_of_process("/system/xbin/anrd");

		if (pid > 0) {
		if (stat(trace_path, &st) == 0) {
		old_mtime = st.st_mtime;
		} else {
		MYLOGE("Failed to find: %s\n", trace_path);
		return false;
		}

		// send SIGUSR1 to the anrd to generate a trace.
		sprintf(buf, "%u", pid);
		if (run_command("ANRD_DUMP", 1, "kill", "-SIGUSR1", buf, NULL)) {
		@@ -239,6 +247,16 @@ static bool dump_anrd_trace() {
		return false;
		}

		while (retry-- > 0 && old_mtime == st.st_mtime) {
		sleep(1);
		stat(trace_path, &st);
		}

		if (retry < 0 && old_mtime == st.st_mtime) {
		MYLOGE("Failed to stat %s or trace creation timeout\n", trace_path);
		return false;
		}

		// identify the trace file by its creation time.
		if (!(trace_dir = opendir(trace_path))) {
		MYLOGE("Can't open trace file under %s\n", trace_path);