From: Mateusz Majewski <m.majewski2@samsung.com>
Date: Fri, 7 May 2021 10:41:27 +0000 (+0200)
Subject: Add more useful performance measurements to dlog_cpu
X-Git-Tag: accepted/tizen/unified/20210623.125322~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=69496497587a2c7f2901cbce8294cce9af806aea;p=platform%2Fcore%2Fsystem%2Fdlog.git

Add more useful performance measurements to dlog_cpu

Change-Id: I72353a79666359daf15f5459e7af41284960f716
---

diff --git a/tests/dlog_cpu.in b/tests/dlog_cpu.in
index 9ba18c0..a5b5e24 100644
--- a/tests/dlog_cpu.in
+++ b/tests/dlog_cpu.in
@@ -45,10 +45,55 @@ trap cleanup 0
 mkdir -p "$RUNTIME_FILTERS_DIR"
 mkdir -p "$WRITER_DIR"
 
-dlog_logger &
-LOGGER=$!
-sleep 1
-(while :; do dlogsend -c 1000 -b main -t DLOG_CPU_TEST1 hi; sleep 0.1; done) &
-TEST=$!
-sleep 10
-ps --no-headers --quick-pid $LOGGER --format %cpu
+# TODO: 2>&1 is a hack, but I don't see any other solution
+for LENGTH in 10 500; do
+	sleep 1
+	echo "LOG LATENCY ($LENGTH characters):"
+	echo
+	MESSAGE=$(printf '%0.s&' $(seq 1 $LENGTH)) # Print the '&' character $LENGTH times
+
+	kill $LOGGER
+	sleep 1
+	dlog_logger &
+	LOGGER=$!
+	sleep 1
+	/usr/libexec/libdlog/dlog_stdout_benchmark 0 100000 $MESSAGE libdlog 2>&1 &
+	TEST=$!
+	sleep 1
+	echo "cpu usage of logger:"
+	ps --no-headers --quick-pid $LOGGER --format %cpu
+	echo "cpu usage of client:"
+	ps --no-headers --quick-pid $TEST --format %cpu
+	wait $TEST
+	echo
+
+	kill $LOGGER
+	sleep 1
+	dlog_logger &
+	LOGGER=$!
+	sleep 1
+	dlog_redirect_stdout --outtag "DLOG_BENCHMARK" --nofallback -- /usr/libexec/libdlog/dlog_stdout_benchmark 0 100000 $MESSAGE stdout 2>&1 &
+	TEST=$!
+	sleep 1
+	echo "cpu usage of logger:"
+	ps --no-headers --quick-pid $LOGGER --format %cpu
+	echo "cpu usage of client:"
+	ps --no-headers --quick-pid $TEST --format %cpu
+	wait $TEST
+	echo
+
+	kill $LOGGER
+	sleep 1
+	dlog_logger &
+	LOGGER=$!
+	sleep 1
+	dlog_redirect_stdout --outtag "DLOG_BENCHMARK" --nofallback -- /usr/libexec/libdlog/dlog_stdout_benchmark 1 100000 $MESSAGE stdout 2>&1 &
+	TEST=$!
+	sleep 1
+	echo "cpu usage of logger:"
+	ps --no-headers --quick-pid $LOGGER --format %cpu
+	echo "cpu usage of client:"
+	ps --no-headers --quick-pid $TEST --format %cpu
+	wait $TEST
+	echo
+done