* [PATCH] perf tools: Add missing swap for cgroup events
@ 2020-11-02 14:02 Namhyung Kim
2020-11-02 17:49 ` Jiri Olsa
0 siblings, 1 reply; 3+ messages in thread
From: Namhyung Kim @ 2020-11-02 14:02 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo, Jiri Olsa
Cc: Ingo Molnar, Peter Zijlstra, Mark Rutland, Alexander Shishkin,
LKML, Stephane Eranian, Ian Rogers
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
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] perf tools: Add missing swap for cgroup events
2020-11-02 14:02 [PATCH] perf tools: Add missing swap for cgroup events Namhyung Kim
@ 2020-11-02 17:49 ` Jiri Olsa
2020-11-03 12:24 ` Arnaldo Carvalho de Melo
0 siblings, 1 reply; 3+ messages in thread
From: Jiri Olsa @ 2020-11-02 17:49 UTC (permalink / raw)
To: Namhyung Kim
Cc: Arnaldo Carvalho de Melo, Ingo Molnar, Peter Zijlstra,
Mark Rutland, Alexander Shishkin, LKML, Stephane Eranian,
Ian Rogers
On Mon, Nov 02, 2020 at 11:02:28PM +0900, Namhyung Kim wrote:
> It was missed to add a swap function for PERF_RECORD_CGROUP.
>
> Fixes: ba78c1c5461c ("perf tools: Basic support for CGROUP event")
Acked-by: Jiri Olsa <jolsa@redhat.com>
thanks,
jirka
> 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
>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] perf tools: Add missing swap for cgroup events
2020-11-02 17:49 ` Jiri Olsa
@ 2020-11-03 12:24 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2020-11-03 12:24 UTC (permalink / raw)
To: Jiri Olsa
Cc: Namhyung Kim, Ingo Molnar, Peter Zijlstra, Mark Rutland,
Alexander Shishkin, LKML, Stephane Eranian, Ian Rogers
Em Mon, Nov 02, 2020 at 06:49:56PM +0100, Jiri Olsa escreveu:
> On Mon, Nov 02, 2020 at 11:02:28PM +0900, Namhyung Kim wrote:
> > It was missed to add a swap function for PERF_RECORD_CGROUP.
> >
> > Fixes: ba78c1c5461c ("perf tools: Basic support for CGROUP event")
>
> Acked-by: Jiri Olsa <jolsa@redhat.com>
Thanks, applied.
- Arnaldo
> thanks,
> jirka
>
> > 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
> >
>
--
- Arnaldo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-11-02 14:02 [PATCH] perf tools: Add missing swap for cgroup events Namhyung Kim
2020-11-02 17:49 ` Jiri Olsa
2020-11-03 12:24 ` Arnaldo Carvalho de Melo
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