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perf tests: Add daemon 'lock' test
Add a test for the perf daemon 'lock' command ensuring only one instance of daemon can run over one base directory. Committer testing: [root@five ~]# perf test -v daemon 76: daemon operations : --- start --- test child forked, pid 793255 test daemon list test daemon reconfig test daemon stop test daemon signal signal 12 sent to session 'test [793506]' signal 12 sent to session 'test [793506]' test daemon ping test daemon lock test child finished with 0 ---- end ---- daemon operations: Ok [root@five ~]# Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Budankov <abudankov@huawei.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: https://lore.kernel.org/r/20210208200908.1019149-25-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -426,6 +426,43 @@ EOF
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rm -f ${config}
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}
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test_lock()
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{
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echo "test daemon lock"
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local config=$(mktemp /tmp/perf.daemon.config.XXX)
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local base=$(mktemp -d /tmp/perf.daemon.base.XXX)
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# prepare config
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cat <<EOF > ${config}
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[daemon]
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base=BASE
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[session-size]
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run = -e cpu-clock
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EOF
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sed -i -e "s|BASE|${base}|" ${config}
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# start daemon
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daemon_start ${config} size
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# start second daemon over the same config/base
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failed=`perf daemon start --config ${config} 2>&1 | awk '{ print $1 }'`
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# check that we failed properly
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if [ ${failed} != "failed:" ]; then
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error=1
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echo "FAILED: daemon lock failed"
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fi
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# stop daemon
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daemon_exit ${base} ${config}
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rm -rf ${base}
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rm -f ${config}
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}
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error=0
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test_list
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@ -433,5 +470,6 @@ test_reconfig
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test_stop
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test_signal
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test_ping
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test_lock
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exit ${error}
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