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-rw-r--r--tools/perf/builtin-top.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index d2539b793f9d..02ea2cf2a3d9 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1246,6 +1246,14 @@ static int __cmd_top(struct perf_top *top)
if (opts->record_namespaces)
top->tool.namespace_events = true;
+ if (opts->record_cgroup) {
+#ifdef HAVE_FILE_HANDLE
+ top->tool.cgroup_events = true;
+#else
+ pr_err("cgroup tracking is not supported.\n");
+ return -1;
+#endif
+ }
ret = perf_event__synthesize_bpf_events(top->session, perf_event__process,
&top->session->machines.host,
@@ -1253,6 +1261,11 @@ static int __cmd_top(struct perf_top *top)
if (ret < 0)
pr_debug("Couldn't synthesize BPF events: Pre-existing BPF programs won't have symbols resolved.\n");
+ ret = perf_event__synthesize_cgroups(&top->tool, perf_event__process,
+ &top->session->machines.host);
+ if (ret < 0)
+ pr_debug("Couldn't synthesize cgroup events.\n");
+
machine__synthesize_threads(&top->session->machines.host, &opts->target,
top->evlist->core.threads, false,
top->nr_threads_synthesize);
@@ -1545,6 +1558,8 @@ int cmd_top(int argc, const char **argv)
"number of thread to run event synthesize"),
OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces,
"Record namespaces events"),
+ OPT_BOOLEAN(0, "all-cgroups", &opts->record_cgroup,
+ "Record cgroup events"),
OPTS_EVSWITCH(&top.evswitch),
OPT_END()
};