From 39ef994a18d7754da2ed09cc996a32ef52a8d404 Mon Sep 17 00:00:00 2001
From: Jan Jansky <jjansky@redhat.com>
Date: Mon, 21 Mar 2022 10:55:28 +0100
Subject: [cgroups] not collect memory.kmem.slabinfo

Forbid collection of memory.kmem.slabinfo
which in case of system with lot of
containers may cause stuck kworker.

Resolves: #2889

Signed-off-by: Jan Jansky <jjansky@redhat.com>
---
 sos/report/plugins/cgroups.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sos/report/plugins/cgroups.py b/sos/report/plugins/cgroups.py
index 6b55c80a..6e2a6918 100644
--- a/sos/report/plugins/cgroups.py
+++ b/sos/report/plugins/cgroups.py
@@ -30,6 +30,9 @@ class Cgroups(Plugin, DebianPlugin, UbuntuPlugin, CosPlugin):
         ])
 
         self.add_cmd_output("systemd-cgls")
+        self.add_forbidden_path(
+            "/sys/fs/cgroup/memory/**/memory.kmem.slabinfo",
+            recursive=True)
 
         return
 
-- 
cgit