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perf test: Update perf lock contention test
Add test cases for the task and addr aggregation modes. $ sudo ./perf test -v contention 86: kernel lock contention analysis test : --- start --- test child forked, pid 680006 Testing perf lock record and perf lock contention Testing perf lock contention --use-bpf Testing perf lock record and perf lock contention at the same time Testing perf lock contention --threads Testing perf lock contention --lock-addr test child finished with 0 ---- end ---- kernel lock contention analysis test: Ok Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Blake Jones <blakejones@google.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <song@kernel.org> Cc: bpf@vger.kernel.org Link: https://lore.kernel.org/r/20221209190727.759804-5-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -77,10 +77,58 @@ test_record_concurrent()
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fi
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}
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test_aggr_task()
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{
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echo "Testing perf lock contention --threads"
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perf lock contention -i ${perfdata} -t -E 1 -q 2> ${result}
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if [ $(cat "${result}" | wc -l) != "1" ]; then
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echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l)
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err=1
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exit
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fi
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if ! perf lock con -b true > /dev/null 2>&1 ; then
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return
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fi
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# the perf lock contention output goes to the stderr
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perf lock con -a -b -t -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result}
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if [ $(cat "${result}" | wc -l) != "1" ]; then
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echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l)
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err=1
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exit
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fi
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}
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test_aggr_addr()
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{
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echo "Testing perf lock contention --lock-addr"
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perf lock contention -i ${perfdata} -l -E 1 -q 2> ${result}
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if [ $(cat "${result}" | wc -l) != "1" ]; then
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echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l)
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err=1
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exit
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fi
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if ! perf lock con -b true > /dev/null 2>&1 ; then
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return
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fi
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# the perf lock contention output goes to the stderr
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perf lock con -a -b -t -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result}
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if [ $(cat "${result}" | wc -l) != "1" ]; then
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echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l)
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err=1
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exit
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fi
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}
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check
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test_record
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test_bpf
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test_record_concurrent
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test_aggr_task
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test_aggr_addr
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exit ${err}
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