linux-kernel - [PATCH 20/22] perf test: Add daemon stop command test

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Date:   Sat,  2 Jan 2021 23:04:39 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Ian Rogers <irogers@...gle.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexei Budankov <abudankov@...wei.com>
Subject: [PATCH 20/22] perf test: Add daemon stop command test

Adding test for perf daemon stop command. The test
stops the daemon and verifies all the configured
sessions are properly terminated.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/tests/shell/daemon.sh | 54 ++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/tools/perf/tests/shell/daemon.sh b/tools/perf/tests/shell/daemon.sh
index 8360f61973e2..d86239c21f5b 100755
--- a/tools/perf/tests/shell/daemon.sh
+++ b/tools/perf/tests/shell/daemon.sh
@@ -246,9 +246,63 @@ EOF
 	rm -rf ${base}
 	rm -f ${config}
 }
+
+test_stop()
+{
+	echo "test daemon stop"
+
+	local config=$(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
+
+	local pid_size=`perf daemon --config ${config} -x | head -2 | tail -1 | awk 'BEGIN { FS = ":" } ; { print $1 }'`
+	local pid_time=`perf daemon --config ${config} -x | head -3 | tail -1 | awk 'BEGIN { FS = ":" } ; { print $1 }'`
+
+	# check that sessions are running
+	if [ ! -d "/proc/${pid_size}" ]; then
+		echo "FAILED: session size not up"
+	fi
+
+	if [ ! -d "/proc/${pid_time}" ]; then
+		echo "FAILED: session time not up"
+	fi
+
+	# stop daemon
+	daemon_exit ${base} ${config}
+
+	# check that sessions are gone
+	if [ -d "/proc/${pid_size}" ]; then
+		echo "FAILED: session size still up"
+	fi
+
+	if [ -d "/proc/${pid_time}" ]; then
+		echo "FAILED: session time still up"
+	fi
+
+	rm -rf ${base}
+	rm -f ${config}
+}
+
 error=0
 
 test_list
 test_reconfig
+test_stop
 
 exit ${error}
-- 
2.26.2