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Diffstat (limited to 'tools/perf/tests/shell/record_offcpu.sh')
-rwxr-xr-x | tools/perf/tests/shell/record_offcpu.sh | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/shell/record_offcpu.sh new file mode 100755 index 000000000000..96e0739f7478 --- /dev/null +++ b/tools/perf/tests/shell/record_offcpu.sh @@ -0,0 +1,60 @@ +#!/bin/sh +# perf record offcpu profiling tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() { + rm -f ${perfdata} + rm -f ${perfdata}.old + trap - exit term int +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup exit term int + +test_offcpu() { + echo "Basic off-cpu test" + if [ `id -u` != 0 ] + then + echo "Basic off-cpu test [Skipped permission]" + err=2 + return + fi + if perf record --off-cpu -o ${perfdata} --quiet true 2>&1 | grep BUILD_BPF_SKEL + then + echo "Basic off-cpu test [Skipped missing BPF support]" + err=2 + return + fi + if ! perf record --off-cpu -e dummy -o ${perfdata} sleep 1 2> /dev/null + then + echo "Basic off-cpu test [Failed record]" + err=1 + return + fi + if ! perf evlist -i ${perfdata} | grep -q "offcpu-time" + then + echo "Basic off-cpu test [Failed record]" + err=1 + return + fi + if ! perf report -i ${perfdata} -q --percent-limit=90 | egrep -q sleep + then + echo "Basic off-cpu test [Failed missing output]" + err=1 + return + fi + echo "Basic off-cpu test [Success]" +} + +test_offcpu + +cleanup +exit $err |