Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 19/22] perf test: Add daemon reconfig test | Date | Sat, 2 Jan 2021 23:04:38 +0100 |
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Adding test for daemon reconfiguration. The test changes the configuration file and checks that the session is changed properly.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/tests/shell/daemon.sh | 70 ++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+)
diff --git a/tools/perf/tests/shell/daemon.sh b/tools/perf/tests/shell/daemon.sh index 52abd2f015ed..8360f61973e2 100755 --- a/tools/perf/tests/shell/daemon.sh +++ b/tools/perf/tests/shell/daemon.sh @@ -177,8 +177,78 @@ EOF rm -f ${config} } +test_reconfig() +{ + echo "test daemon reconfig" + + local config=$(mktemp /tmp/perf.daemon.config.XXX) + local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + + # prepare config + cat <<EOF > ${config} +[daemon] +base=BASE + +[session-size] +run = -e cpu-clock + +[session-time] +run = -e task-clock +EOF + + sed -i -e "s|BASE|${base}|" ${config} + + # start daemon + daemon_start ${config} size + + # check 2nd session + # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0 + local line=`perf daemon --config ${config} -x | head -3 | tail -1` + check_line_other "${line}" time "-e task-clock" ${base}/session-time \ + ${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0" + local pid=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $1 }'` + + # prepare new config + local config_new=${config}.new + cat <<EOF > ${config_new} +[daemon] +base=BASE + +[session-size] +run = -e cpu-clock + +[session-time] +run = -e cpu-clock +EOF + + # change config + sed -i -e "s|BASE|${base}|" ${config_new} + cp ${config_new} ${config} + + # wait for old session to finish + tail --pid=${pid} -f /dev/null + + # wait for new one to start + local state="FAIL" + while [ "${state}" != "OK" ]; do + state=`perf daemon ping --config ${config} --session time | awk '{ print $1 }'` + done + + # check reconfigured 2nd session + # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0 + local line=`perf daemon --config ${config} -x | head -3 | tail -1` + check_line_other "${line}" time "-e cpu-clock" ${base}/session-time \ + ${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0" + + # stop daemon + daemon_exit ${base} ${config} + + rm -rf ${base} + rm -f ${config} +} error=0 test_list +test_reconfig exit ${error} -- 2.26.2
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