[2/3] fstests: add _check_dmesg the ability to filter out intentional dmesg log
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Message ID 1434706419-5589-2-git-send-email-eguan@redhat.com
State New
Headers show

Commit Message

Eryu Guan June 19, 2015, 9:33 a.m. UTC
Introduce a parameter to _check_dmesg which allows callers to provide a
customized filter function to filter out intentional dmesg logs. The
default filter is a simple 'cat' command.

Signed-off-by: Eryu Guan <eguan@redhat.com>
---
 common/rc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Patch
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diff --git a/common/rc b/common/rc
index 141ab5c..15e7795 100644
--- a/common/rc
+++ b/common/rc
@@ -2944,10 +2944,15 @@  _check_dmesg()
 	fi
 	rm -f ${RESULT_DIR}/check_dmesg
 
+	# default filter is a simple cat command, caller could provide a
+	# customized filter and pass the name through the first argument, to
+	# filter out intentional WARNINGs or Oopses
+	filter=${1:-cat}
+
 	# search the dmesg log of last run of $seqnum for possible failures
 	# use sed \cregexpc address type, since $seqnum contains "/"
 	dmesg | tac | sed -ne "0,\#run fstests $seqnum at $date_time#p" | \
-		tac >$seqres.dmesg
+		tac | $filter >$seqres.dmesg
 	grep -q -e "kernel BUG at" \
 	     -e "WARNING:" \
 	     -e "BUG:" \