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From: "Michal Koutný" <mkoutny@suse.com>
To: cgroups@vger.kernel.org, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>,
	Roman Gushchin <roman.gushchin@linux.dev>,
	Shakeel Butt <shakeelb@google.com>,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	Richard Palethorpe <rpalethorpe@suse.de>,
	Muhammad Usama Anjum <usama.anjum@collabora.com>
Subject: [PATCH v3 1/5] selftests: memcg: Fix compilation
Date: Tue, 24 May 2022 18:29:51 +0200	[thread overview]
Message-ID: <20220524162955.8635-2-mkoutny@suse.com> (raw)
In-Reply-To: <20220524162955.8635-1-mkoutny@suse.com>

This fixes mis-applied changes from commit 72b1e03aa725 ("cgroup:
account for memory_localevents in test_memcg_oom_group_leaf_events()").

Fixes: 72b1e03aa725 ("cgroup: account for memory_localevents in test_memcg_oom_group_leaf_events()")
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: David Vernet <void@manifault.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
---
 .../selftests/cgroup/test_memcontrol.c        | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index 6ab94317c87b..c012db9d07d6 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -1241,7 +1241,16 @@ static int test_memcg_oom_group_leaf_events(const char *root)
 	if (cg_read_key_long(child, "memory.events", "oom_kill ") <= 0)
 		goto cleanup;
 
-	if (cg_read_key_long(parent, "memory.events", "oom_kill ") <= 0)
+	parent_oom_events = cg_read_key_long(
+			parent, "memory.events", "oom_kill ");
+	/*
+	 * If memory_localevents is not enabled (the default), the parent should
+	 * count OOM events in its children groups. Otherwise, it should not
+	 * have observed any events.
+	 */
+	if (has_localevents && parent_oom_events != 0)
+		goto cleanup;
+	else if (!has_localevents && parent_oom_events <= 0)
 		goto cleanup;
 
 	ret = KSFT_PASS;
@@ -1349,20 +1358,14 @@ static int test_memcg_oom_group_score_events(const char *root)
 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))
 		goto cleanup;
 
-	parent_oom_events = cg_read_key_long(
-			parent, "memory.events", "oom_kill ");
-	/*
-	 * If memory_localevents is not enabled (the default), the parent should
-	 * count OOM events in its children groups. Otherwise, it should not
-	 * have observed any events.
-	 */
-	if ((has_localevents && parent_oom_events == 0) ||
-	     parent_oom_events > 0)
-		ret = KSFT_PASS;
+	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 3)
+		goto cleanup;
 
 	if (kill(safe_pid, SIGKILL))
 		goto cleanup;
 
+	ret = KSFT_PASS;
+
 cleanup:
 	if (memcg)
 		cg_destroy(memcg);
-- 
2.35.3


WARNING: multiple messages have this Message-ID (diff)
From: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
To: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org
Cc: Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Michal Hocko <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Roman Gushchin
	<roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>,
	Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kselftest-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Richard Palethorpe <rpalethorpe-l3A5Bk7waGM@public.gmane.org>,
	Muhammad Usama Anjum
	<usama.anjum-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
Subject: [PATCH v3 1/5] selftests: memcg: Fix compilation
Date: Tue, 24 May 2022 18:29:51 +0200	[thread overview]
Message-ID: <20220524162955.8635-2-mkoutny@suse.com> (raw)
In-Reply-To: <20220524162955.8635-1-mkoutny-IBi9RG/b67k@public.gmane.org>

This fixes mis-applied changes from commit 72b1e03aa725 ("cgroup:
account for memory_localevents in test_memcg_oom_group_leaf_events()").

Fixes: 72b1e03aa725 ("cgroup: account for memory_localevents in test_memcg_oom_group_leaf_events()")
Signed-off-by: Michal Koutn√Ω <mkoutny-IBi9RG/b67k@public.gmane.org>
Reviewed-by: David Vernet <void-gq6j2QGBifHby3iVrkZq2A@public.gmane.org>
Acked-by: Roman Gushchin <roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>
---
 .../selftests/cgroup/test_memcontrol.c        | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index 6ab94317c87b..c012db9d07d6 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -1241,7 +1241,16 @@ static int test_memcg_oom_group_leaf_events(const char *root)
 	if (cg_read_key_long(child, "memory.events", "oom_kill ") <= 0)
 		goto cleanup;
 
-	if (cg_read_key_long(parent, "memory.events", "oom_kill ") <= 0)
+	parent_oom_events = cg_read_key_long(
+			parent, "memory.events", "oom_kill ");
+	/*
+	 * If memory_localevents is not enabled (the default), the parent should
+	 * count OOM events in its children groups. Otherwise, it should not
+	 * have observed any events.
+	 */
+	if (has_localevents && parent_oom_events != 0)
+		goto cleanup;
+	else if (!has_localevents && parent_oom_events <= 0)
 		goto cleanup;
 
 	ret = KSFT_PASS;
@@ -1349,20 +1358,14 @@ static int test_memcg_oom_group_score_events(const char *root)
 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))
 		goto cleanup;
 
-	parent_oom_events = cg_read_key_long(
-			parent, "memory.events", "oom_kill ");
-	/*
-	 * If memory_localevents is not enabled (the default), the parent should
-	 * count OOM events in its children groups. Otherwise, it should not
-	 * have observed any events.
-	 */
-	if ((has_localevents && parent_oom_events == 0) ||
-	     parent_oom_events > 0)
-		ret = KSFT_PASS;
+	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 3)
+		goto cleanup;
 
 	if (kill(safe_pid, SIGKILL))
 		goto cleanup;
 
+	ret = KSFT_PASS;
+
 cleanup:
 	if (memcg)
 		cg_destroy(memcg);
-- 
2.35.3


  reply	other threads:[~2022-05-24 16:30 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-24 16:29 [PATCH v3 0/5] memcontrol selftests fixups Michal Koutný
2022-05-24 16:29 ` Michal Koutný
2022-05-24 16:29 ` Michal Koutný [this message]
2022-05-24 16:29   ` [PATCH v3 1/5] selftests: memcg: Fix compilation Michal Koutný
2022-05-24 16:29 ` [PATCH v3 2/5] selftests: memcg: Expect no low events in unprotected sibling Michal Koutný
2022-05-24 16:29   ` Michal Koutný
2022-05-25  2:27   ` Roman Gushchin
2022-05-25  2:27     ` Roman Gushchin
2022-05-24 16:29 ` [PATCH v3 3/5] selftests: memcg: Adjust expected reclaim values of protected cgroups Michal Koutný
2022-05-24 16:29   ` Michal Koutný
2022-05-24 16:29 ` [PATCH v3 4/5] selftests: memcg: Remove protection from top level memcg Michal Koutný
2022-05-24 16:29   ` Michal Koutný
2022-05-24 16:29 ` [PATCH v3 5/5] selftests: memcg: Factor out common parts of memory.{low,min} tests Michal Koutný
2022-05-24 16:29   ` Michal Koutný
2022-05-25  2:26   ` Roman Gushchin

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