dmesg can rotate and number of found bugs can actually go down,
clear the buffer before test to avoid this
Signed-off-by: Jan Stancek <[email protected]>
---
.../controllers/cgroup/cgroup_regression_test.sh | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/testcases/kernel/controllers/cgroup/cgroup_regression_test.sh b/testcases/kernel/controllers/cgroup/cgroup_regression_test.sh
index 878f91a..5615053 100755
--- a/testcases/kernel/controllers/cgroup/cgroup_regression_test.sh
+++ b/testcases/kernel/controllers/cgroup/cgroup_regression_test.sh
@@ -40,6 +40,7 @@ elif [ "x$(id -ru)" != x0 ]; then
exit 0
fi
+dmesg -c > /dev/null
nr_bug=`dmesg | grep -c "kernel BUG"`
nr_null=`dmesg | grep -c "kernel NULL pointer dereference"`
nr_warning=`dmesg | grep -c "^WARNING"`
@@ -78,6 +79,8 @@ check_kernel_bug()
nr_warning=$new_warning
nr_lockdep=$new_lockdep
+ echo "check_kernel_bug found something!"
+ dmesg
failed=1
return 0
}
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