From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Stephane Eranian <eranian@google.com>,
Ian Rogers <irogers@google.com>
Subject: [PATCH] perf tools: Add missing swap for cgroup events
Date: Mon, 2 Nov 2020 23:02:28 +0900 [thread overview]
Message-ID: <20201102140228.303657-1-namhyung@kernel.org> (raw)
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 <namhyung@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
next reply other threads:[~2020-11-02 14:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-02 14:02 Namhyung Kim [this message]
2020-11-02 17:49 ` [PATCH] perf tools: Add missing swap for cgroup events Jiri Olsa
2020-11-03 12:24 ` Arnaldo Carvalho de Melo
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