Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7676ebba authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge branch 'perf/core' of...

Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
parents e710574d 981c1252
Loading
Loading
Loading
Loading
+16 −8
Original line number Diff line number Diff line
@@ -1637,23 +1637,29 @@ static struct perf_event_ops event_ops = {
	.ordered_samples	= true,
};

static int read_events(void)
static void read_events(bool destroy, struct perf_session **psession)
{
	int err = -EINVAL;
	struct perf_session *session = perf_session__new(input_name, O_RDONLY,
							 0, false, &event_ops);
	if (session == NULL)
		return -ENOMEM;
		die("No Memory");

	if (perf_session__has_traces(session, "record -R")) {
		err = perf_session__process_events(session, &event_ops);
		if (err)
			die("Failed to process events, error %d", err);

		nr_events      = session->hists.stats.nr_events[0];
		nr_lost_events = session->hists.stats.total_lost;
		nr_lost_chunks = session->hists.stats.nr_events[PERF_RECORD_LOST];
	}

	if (destroy)
		perf_session__delete(session);
	return err;

	if (psession)
		*psession = session;
}

static void print_bad_events(void)
@@ -1689,9 +1695,10 @@ static void print_bad_events(void)
static void __cmd_lat(void)
{
	struct rb_node *next;
	struct perf_session *session;

	setup_pager();
	read_events();
	read_events(false, &session);
	sort_lat();

	printf("\n ---------------------------------------------------------------------------------------------------------------\n");
@@ -1717,6 +1724,7 @@ static void __cmd_lat(void)
	print_bad_events();
	printf("\n");

	perf_session__delete(session);
}

static struct trace_sched_handler map_ops  = {
@@ -1731,7 +1739,7 @@ static void __cmd_map(void)
	max_cpu = sysconf(_SC_NPROCESSORS_CONF);

	setup_pager();
	read_events();
	read_events(true, NULL);
	print_bad_events();
}

@@ -1744,7 +1752,7 @@ static void __cmd_replay(void)

	test_calibrations();

	read_events();
	read_events(true, NULL);

	printf("nr_run_events:        %ld\n", nr_run_events);
	printf("nr_sleep_events:      %ld\n", nr_sleep_events);
@@ -1769,7 +1777,7 @@ static void __cmd_replay(void)


static const char * const sched_usage[] = {
	"perf sched [<options>] {record|latency|map|replay|trace}",
	"perf sched [<options>] {record|latency|map|replay|script}",
	NULL
};

+23 −4
Original line number Diff line number Diff line
@@ -413,13 +413,32 @@ int perf_config(config_fn_t fn, void *data)
	home = getenv("HOME");
	if (perf_config_global() && home) {
		char *user_config = strdup(mkpath("%s/.perfconfig", home));
		if (!access(user_config, R_OK)) {
		struct stat st;

		if (user_config == NULL) {
			warning("Not enough memory to process %s/.perfconfig, "
				"ignoring it.", home);
			goto out;
		}

		if (stat(user_config, &st) < 0)
			goto out_free;

		if (st.st_uid && (st.st_uid != geteuid())) {
			warning("File %s not owned by current user or root, "
				"ignoring it.", user_config);
			goto out_free;
		}

		if (!st.st_size)
			goto out_free;

		ret += perf_config_from_file(fn, user_config, data);
		found += 1;
		}
out_free:
		free(user_config);
	}

out:
	if (found == 0)
		return -1;
	return ret;
+11 −0
Original line number Diff line number Diff line
@@ -1504,6 +1504,17 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
	dso->adjust_symbols = 0;

	if (strncmp(dso->name, "/tmp/perf-", 10) == 0) {
		struct stat st;

		if (stat(dso->name, &st) < 0)
			return -1;

		if (st.st_uid && (st.st_uid != geteuid())) {
			pr_warning("File %s not owned by current user or root, "
				"ignoring it.\n", dso->name);
			return -1;
		}

		ret = dso__load_perf_map(dso, map, filter);
		dso->symtab_type = ret > 0 ? SYMTAB__JAVA_JIT :
					      SYMTAB__NOT_FOUND;