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Subject[PATCH 19/22] perf test: Add daemon reconfig test
Date
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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