Add UST vs SystemTAP scalability test

[ust.git] / tests / tracepoint / benchmark / runtest.sh

diff --git a/tests/tracepoint/benchmark/runtest.sh b/tests/tracepoint/benchmark/runtest.sh
new file mode 100644 (file)
index 0000000..bd80384
--- /dev/null
+++ b/tests/tracepoint/benchmark/runtest.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+#UST scalability test
+
+REPORT=/tmp/testreport
+
+rm $REPORT
+
+echo "Userspace tracing scalability test report" |tee >> $REPORT
+
+for nr_threads in 1 2 4 8; do
+       echo "" | tee >> $REPORT
+       echo Number of threads: $nr_threads | tee >> $REPORT
+       echo "* Baseline" | tee >> $REPORT
+
+       sync
+       /usr/bin/time -o /tmp/testlog ./.libs/tracepoint_benchmark ${nr_threads}
+       cat /tmp/testlog >> $REPORT
+
+       #flight recorder, don't record trace to disk.
+       export UST_AUTOCOLLECT=0
+       export UST_OVERWRITE=1
+       export UST_SUBBUF_NUM=16
+       #default buffer size is 4k
+
+       #Collect traces to disk
+       #export UST_AUTOCOLLECT=1
+       #export UST_OVERWRITE=0
+       #export UST_SUBBUF_NUM=16
+       #default buffer size is 4k
+
+       echo "* Flight recorder" | tee >> $REPORT
+       sync
+       /usr/bin/time -o /tmp/testlog usttrace ./.libs/tracepoint_benchmark ${nr_threads}
+       cat /tmp/testlog >> $REPORT
+done
+
+cat /tmp/testreport