[PATCH 5.9 038/255] perf tools: Add missing swap for cgroup events

[Greg Kroah-Hartman]

From: Namhyung Kim <namhy...@kernel.org>

[ Upstream commit 2c589d933e54d183ee2a052971b730e423c62031 ]

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>
Acked-by: Jiri Olsa <jo...@redhat.com>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Ian Rogers <irog...@google.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Stephane Eranian <eran...@google.com>
Link: http://lore.kernel.org/lkml/20201102140228.303657-1-namhy...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
Signed-off-by: Sasha Levin <sas...@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 d20b16ee73772..098080287c687 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -711,6 +711,18 @@ 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);
@@ -953,6 +965,7 @@ 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,
-- 
2.27.0