[PATCH] perf tools: Add missing swap for cgroup events

[Namhyung Kim]

It was missed to add a swap function for PERF_RECORD_CGROUP.

Fixes: ba78c1c5461c ("perf tools: Basic support for CGROUP event")
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
 tools/perf/util/session.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 7a5f03764702..c44c8e8c09c6 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -710,6 +710,18 @@ static void perf_event__namespaces_swap(union perf_event 
*event,
                swap_sample_id_all(event, &event->namespaces.link_info[i]);
 }
 
+static void perf_event__cgroup_swap(union perf_event *event, bool 
sample_id_all)
+{
+       event->cgroup.id = bswap_64(event->cgroup.id);
+
+       if (sample_id_all) {
+               void *data = &event->cgroup.path;
+
+               data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
+               swap_sample_id_all(event, data);
+       }
+}
+
 static u8 revbyte(u8 b)
 {
        int rev = (b >> 4) | ((b & 0xf) << 4);
@@ -952,6 +964,7 @@ static perf_event__swap_op perf_event__swap_ops[] = {
        [PERF_RECORD_SWITCH]              = perf_event__switch_swap,
        [PERF_RECORD_SWITCH_CPU_WIDE]     = perf_event__switch_swap,
        [PERF_RECORD_NAMESPACES]          = perf_event__namespaces_swap,
+       [PERF_RECORD_CGROUP]              = perf_event__cgroup_swap,
        [PERF_RECORD_TEXT_POKE]           = perf_event__text_poke_swap,
        [PERF_RECORD_HEADER_ATTR]         = perf_event__hdr_attr_swap,
        [PERF_RECORD_HEADER_EVENT_TYPE]   = perf_event__event_type_swap,
-- 
2.29.1.341.ge80a0c044ae-goog