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-rw-r--r--tools/perf/Documentation/perf-script.txt3
-rw-r--r--tools/perf/builtin-script.c41
2 files changed, 44 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 4af255bb0977..99a9853a11ba 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -319,6 +319,9 @@ OPTIONS
--show-bpf-events
Display bpf events i.e. events of type PERF_RECORD_KSYMBOL and PERF_RECORD_BPF_EVENT.
+--show-cgroup-events
+ Display cgroup events i.e. events of type PERF_RECORD_CGROUP.
+
--demangle::
Demangle symbol names to human readable form. It's enabled by default,
disable with --no-demangle.
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index f63869aef914..186ebf827fa1 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1694,6 +1694,7 @@ struct perf_script {
bool show_lost_events;
bool show_round_events;
bool show_bpf_events;
+ bool show_cgroup_events;
bool allocated;
bool per_event_dump;
struct evswitch evswitch;
@@ -2212,6 +2213,41 @@ out:
return ret;
}
+static int process_cgroup_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+ int ret = -1;
+
+ thread = machine__findnew_thread(machine, sample->pid, sample->tid);
+ if (thread == NULL) {
+ pr_debug("problem processing CGROUP event, skipping it.\n");
+ return -1;
+ }
+
+ if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
+ goto out;
+
+ if (!evsel->core.attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ }
+ if (!filter_cpu(sample)) {
+ perf_sample__fprintf_start(sample, thread, evsel,
+ PERF_RECORD_CGROUP, stdout);
+ perf_event__fprintf(event, stdout);
+ }
+ ret = 0;
+out:
+ thread__put(thread);
+ return ret;
+}
+
static int process_fork_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
@@ -2551,6 +2587,8 @@ static int __cmd_script(struct perf_script *script)
script->tool.context_switch = process_switch_event;
if (script->show_namespace_events)
script->tool.namespaces = process_namespaces_event;
+ if (script->show_cgroup_events)
+ script->tool.cgroup = process_cgroup_event;
if (script->show_lost_events)
script->tool.lost = process_lost_event;
if (script->show_round_events) {
@@ -3476,6 +3514,7 @@ int cmd_script(int argc, const char **argv)
.mmap2 = perf_event__process_mmap2,
.comm = perf_event__process_comm,
.namespaces = perf_event__process_namespaces,
+ .cgroup = perf_event__process_cgroup,
.exit = perf_event__process_exit,
.fork = perf_event__process_fork,
.attr = process_attr,
@@ -3577,6 +3616,8 @@ int cmd_script(int argc, const char **argv)
"Show context switch events (if recorded)"),
OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
"Show namespace events (if recorded)"),
+ OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
+ "Show cgroup events (if recorded)"),
OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
"Show lost events (if recorded)"),
OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,