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From: Jan Stancek <jstancek@redhat.com>
To: ltp-list@lists.sourceforge.net
Subject: [LTP] [PATCH 1/3] cgroup/memcg_regression_test: clear dmesg before test
Date: Mon, 19 Sep 2011 09:49:40 +0200	[thread overview]
Message-ID: <4E76F414.3050200@redhat.com> (raw)

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dmesg can rotate and number of found bugs can actually go down,
so clear the buffer before test to avoid this.

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
  .../memcg/regression/memcg_regression_test.sh      |   13 +++++++++----
  1 files changed, 9 insertions(+), 4 deletions(-)



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diff --git a/testcases/kernel/controllers/memcg/regression/memcg_regression_test.sh b/testcases/kernel/controllers/memcg/regression/memcg_regression_test.sh
index b564ece..855b0fe 100755
--- a/testcases/kernel/controllers/memcg/regression/memcg_regression_test.sh
+++ b/testcases/kernel/controllers/memcg/regression/memcg_regression_test.sh
@@ -47,10 +47,13 @@ if [ $? -eq 0 ]; then
 	exit 0
 fi
 
-nr_bug=`dmesg | grep -c "kernel BUG"`
-nr_null=`dmesg | grep -c "kernel NULL pointer dereference"`
-nr_warning=`dmesg | grep -c "^WARNING"`
-nr_lockdep=`dmesg | grep -c "possible recursive locking detected"`
+#buffer can rotate and number of found bugs can actually go down
+#so clear the buffer to avoid this
+dmesg -c > /dev/null
+nr_bug=0
+nr_null=0
+nr_warning=0
+nr_lockdep=0
 
 # check_kernel_bug - check if some kind of kernel bug happened
 check_kernel_bug()
@@ -85,6 +88,8 @@ check_kernel_bug()
 	nr_warning=$new_warning
 	nr_lockdep=$new_lockdep
 
+	echo "check_kernel_bug found something!"
+	dmesg
 	failed=1
 	return 0
 }


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                 reply	other threads:[~2011-09-19  7:49 UTC|newest]

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