diff mbox series

[V14,7/8] perf: test: Remove empty lines from branch filter test output

Message ID 20231114051329.327572-8-anshuman.khandual@arm.com (mailing list archive)
State New, archived
Headers show
Series arm64/perf: Enable branch stack sampling | expand

Commit Message

Anshuman Khandual Nov. 14, 2023, 5:13 a.m. UTC 
From: James Clark <james.clark@arm.com>

In the perf script command, spaces are turned into newlines. But when
there is a double space this results in empty lines which fail the
following inverse grep test, so strip the empty lines.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-perf-users@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
Changes in V14:

- This is a new patch in the series

 tools/perf/tests/shell/test_brstack.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/perf/tests/shell/test_brstack.sh b/tools/perf/tests/shell/test_brstack.sh
index 283c9a902bbf..b1fe29bb71b3 100755
--- a/tools/perf/tests/shell/test_brstack.sh
+++ b/tools/perf/tests/shell/test_brstack.sh
@@ -62,7 +62,7 @@  test_filter() {
 	echo "Testing branch stack filtering permutation ($test_filter_filter,$test_filter_expect)"
 
 	perf record -o $TMPDIR/perf.data --branch-filter $test_filter_filter,save_type,u -- ${TESTPROG} > /dev/null 2>&1
-	perf script -i $TMPDIR/perf.data --fields brstack | tr ' ' '\n' > $TMPDIR/perf.script
+	perf script -i $TMPDIR/perf.data --fields brstack | tr ' ' '\n' | sed '/^[[:space:]]*$/d' > $TMPDIR/perf.script
 
 	# fail if we find any branch type that doesn't match any of the expected ones
 	# also consider UNKNOWN branch types (-)