From 2c589d933e54d183ee2a052971b730e423c62031 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 2 Nov 2020 23:02:28 +0900 Subject: [PATCH] perf tools: Add missing swap for cgroup events 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 Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Ian Rogers Cc: Mark Rutland Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lore.kernel.org/lkml/20201102140228.303657-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 d20b16e..0980802 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, -- 2.7.4