diff mbox series

[4.19,065/120] perf test session_topology: Delete session->evlist

Message ID 20210726153834.463666741@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 26, 2021, 3:38 p.m. UTC
From: Riccardo Mancini <rickyman7@gmail.com>

[ Upstream commit 233f2dc1c284337286f9a64c0152236779a42f6c ]

ASan reports a memory leak related to session->evlist while running:

  # perf test "41: Session topology".

When perf_data is in write mode, session->evlist is owned by the caller,
which should also take care of deleting it.

This patch adds the missing evlist__delete().

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Fixes: c84974ed9fb67293 ("perf test: Add entry to test cpu topology")
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/822f741f06eb25250fb60686cf30a35f447e9e91.1626343282.git.rickyman7@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/tests/topology.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Naresh Kamboju July 27, 2021, 3:44 a.m. UTC | #1
On Mon, 26 Jul 2021 at 21:28, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>

> From: Riccardo Mancini <rickyman7@gmail.com>

>

> [ Upstream commit 233f2dc1c284337286f9a64c0152236779a42f6c ]

>

> ASan reports a memory leak related to session->evlist while running:

>

>   # perf test "41: Session topology".

>

> When perf_data is in write mode, session->evlist is owned by the caller,

> which should also take care of deleting it.

>

> This patch adds the missing evlist__delete().

>

> Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>

> Fixes: c84974ed9fb67293 ("perf test: Add entry to test cpu topology")

> Cc: Ian Rogers <irogers@google.com>

> Cc: Jiri Olsa <jolsa@redhat.com>

> Cc: Kan Liang <kan.liang@intel.com>

> Cc: Mark Rutland <mark.rutland@arm.com>

> Cc: Namhyung Kim <namhyung@kernel.org>

> Cc: Peter Zijlstra <peterz@infradead.org>

> Link: http://lore.kernel.org/lkml/822f741f06eb25250fb60686cf30a35f447e9e91.1626343282.git.rickyman7@gmail.com

> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

> Signed-off-by: Sasha Levin <sashal@kernel.org>



perf build failed on 4.19, 4.14, 4.9 and 4.4 due to these warnings / errors
for all the architectures.

>  tools/perf/tests/topology.c | 1 +

>  1 file changed, 1 insertion(+)

>

> diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c

> index 9497d02f69e6..bed53ed82af7 100644

> --- a/tools/perf/tests/topology.c

> +++ b/tools/perf/tests/topology.c

> @@ -52,6 +52,7 @@ static int session_write_header(char *path)

>         TEST_ASSERT_VAL("failed to write header",

>                         !perf_session__write_header(session, session->evlist, data.file.fd, true));

>

> +       evlist__delete(session->evlist);


perf-in.o: In function `session_write_header':
tools/perf/tests/topology.c:55: undefined reference to `evlist__delete'
collect2: error: ld returned 1 exit status

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

ref:
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-stable-rc-4.19/DISTRO=lkft,MACHINE=intel-corei7-64,label=docker-buster-lkft/893/console

--
Linaro LKFT
https://lkft.linaro.org
Greg Kroah-Hartman July 27, 2021, 6:10 a.m. UTC | #2
On Tue, Jul 27, 2021 at 09:14:44AM +0530, Naresh Kamboju wrote:
> On Mon, 26 Jul 2021 at 21:28, Greg Kroah-Hartman

> <gregkh@linuxfoundation.org> wrote:

> >

> > From: Riccardo Mancini <rickyman7@gmail.com>

> >

> > [ Upstream commit 233f2dc1c284337286f9a64c0152236779a42f6c ]

> >

> > ASan reports a memory leak related to session->evlist while running:

> >

> >   # perf test "41: Session topology".

> >

> > When perf_data is in write mode, session->evlist is owned by the caller,

> > which should also take care of deleting it.

> >

> > This patch adds the missing evlist__delete().

> >

> > Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>

> > Fixes: c84974ed9fb67293 ("perf test: Add entry to test cpu topology")

> > Cc: Ian Rogers <irogers@google.com>

> > Cc: Jiri Olsa <jolsa@redhat.com>

> > Cc: Kan Liang <kan.liang@intel.com>

> > Cc: Mark Rutland <mark.rutland@arm.com>

> > Cc: Namhyung Kim <namhyung@kernel.org>

> > Cc: Peter Zijlstra <peterz@infradead.org>

> > Link: http://lore.kernel.org/lkml/822f741f06eb25250fb60686cf30a35f447e9e91.1626343282.git.rickyman7@gmail.com

> > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

> > Signed-off-by: Sasha Levin <sashal@kernel.org>

> 

> 

> perf build failed on 4.19, 4.14, 4.9 and 4.4 due to these warnings / errors

> for all the architectures.


Now dropped from all of these trees.  Let me go push out -rc2 for all of
them as well...

thanks,

greg k-h
diff mbox series

Patch

diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 9497d02f69e6..bed53ed82af7 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -52,6 +52,7 @@  static int session_write_header(char *path)
 	TEST_ASSERT_VAL("failed to write header",
 			!perf_session__write_header(session, session->evlist, data.file.fd, true));
 
+	evlist__delete(session->evlist);
 	perf_session__delete(session);
 
 	return 0;