@@ -7,11 +7,11 @@ set -e
for p in $(perf list --raw-dump pmu); do
echo "Testing $p"
result=$(perf stat -e "$p" true 2>&1)
- if [[ ! "$result" =~ "$p" ]] && [[ ! "$result" =~ "<not supported>" ]]; then
+ if ! echo "$result" | grep -q "$p" && ! echo "$result" | grep -q "<not supported>" ; then
# We failed to see the event and it is supported. Possibly the workload was
# too small so retry with something longer.
result=$(perf stat -e "$p" perf bench internals synthesize 2>&1)
- if [[ ! "$result" =~ "$p" ]]; then
+ if ! echo "$result" | grep -q "$p" ; then
echo "Event '$p' not printed in:"
echo "$result"
exit 1
The tests were passing but without testing and were printing the following: $ ./perf test -v 90 90: perf all PMU test : --- start --- test child forked, pid 51650 Testing cpu/branch-instructions/ ./tests/shell/stat_all_pmu.sh: 10: [: Performance counter stats for 'true': 137,307 cpu/branch-instructions/ 0.001686672 seconds time elapsed 0.001376000 seconds user 0.000000000 seconds sys: unexpected operator Changing the regexes to a grep works in sh and prints this: $ ./perf test -v 90 90: perf all PMU test : --- start --- test child forked, pid 60186 [...] Testing tlb_flush.stlb_any test child finished with 0 ---- end ---- perf all PMU test: Ok Signed-off-by: James Clark <james.clark@arm.com> --- tools/perf/tests/shell/stat_all_pmu.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)