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perf tests: Add daemon 'stop' command test
Add a test for the perf daemon 'stop' command. The test stops the daemon and verifies all the configured sessions are properly terminated. Committer testing: [root@five ~]# time perf test daemon 76: daemon operations : Ok [root@five ~]# time perf test -v daemon 76: daemon operations : --- start --- test child forked, pid 788560 test daemon list test daemon reconfig test daemon stop test child finished with 0 ---- end ---- daemon operations: Ok # 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/20210208200908.1019149-22-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -295,9 +295,63 @@ EOF
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rm -f ${config_new}
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rm -f ${config_empty}
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}
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test_stop()
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{
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echo "test daemon stop"
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local config=$(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 > ${config}
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[daemon]
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base=BASE
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[session-size]
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run = -e cpu-clock
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[session-time]
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run = -e task-clock
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EOF
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sed -i -e "s|BASE|${base}|" ${config}
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# start daemon
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daemon_start ${config} size
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local pid_size=`perf daemon --config ${config} -x: | head -2 | tail -1 | awk 'BEGIN { FS = ":" } ; { print $1 }'`
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local pid_time=`perf daemon --config ${config} -x: | head -3 | tail -1 | awk 'BEGIN { FS = ":" } ; { print $1 }'`
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# check that sessions are running
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if [ ! -d "/proc/${pid_size}" ]; then
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echo "FAILED: session size not up"
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fi
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if [ ! -d "/proc/${pid_time}" ]; then
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echo "FAILED: session time not up"
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fi
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# stop daemon
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daemon_exit ${base} ${config}
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# check that sessions are gone
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if [ -d "/proc/${pid_size}" ]; then
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echo "FAILED: session size still up"
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fi
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if [ -d "/proc/${pid_time}" ]; then
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echo "FAILED: session time still up"
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fi
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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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test_reconfig
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test_stop
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exit ${error}
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