diff options
| -rwxr-xr-x | tools/perf/tests/shell/trace_summary.sh | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/tools/perf/tests/shell/trace_summary.sh b/tools/perf/tests/shell/trace_summary.sh index d5da1d7d8d88..273199a29a20 100755 --- a/tools/perf/tests/shell/trace_summary.sh +++ b/tools/perf/tests/shell/trace_summary.sh @@ -27,10 +27,15 @@ test_perf_trace() { count=$(grep -E -c -m 3 "${search}" ${OUTPUT}) if [ "${count}" != "3" ]; then - echo "Error: cannot find enough pattern ${search} in the output" - cat ${OUTPUT} - rm -f ${OUTPUT} - exit 1 + echo "Error: cannot find enough pattern ${search} (count=${count}) in output of:" + echo "Error: perf trace ${args} -- ${workload}" + echo "Error: matched lines:" + grep -E "${search}" ${OUTPUT} || echo "none" + echo "Error: last 20 lines of output:" + # The summary comes last, after any -S trace output. + tail -n 20 ${OUTPUT} + rm -f ${OUTPUT} + exit 1 fi } |