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 <[email protected]> --- .../memcg/regression/memcg_regression_test.sh | 13 +++++++++---- 1 files changed, 9 insertions(+), 4 deletions(-)
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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