diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/build/systemtap.c | 42 | ||||
-rw-r--r-- | test/core/profiling/mark_timings.stp | 32 |
2 files changed, 74 insertions, 0 deletions
diff --git a/test/build/systemtap.c b/test/build/systemtap.c new file mode 100644 index 0000000000..66ff38ebd6 --- /dev/null +++ b/test/build/systemtap.c @@ -0,0 +1,42 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <sys/sdt.h> + +#ifndef _SYS_SDT_H +#error "_SYS_SDT_H not defined, despite <sys/sdt.h> being present." +#endif + +int main() { + return 0; +} diff --git a/test/core/profiling/mark_timings.stp b/test/core/profiling/mark_timings.stp new file mode 100644 index 0000000000..a7ccc83c61 --- /dev/null +++ b/test/core/profiling/mark_timings.stp @@ -0,0 +1,32 @@ +global starts, times, times_per_tag + +probe process.mark("timing_ns_begin") { + starts[$arg1, tid()] = gettimeofday_ns(); +} + +probe process.mark("timing_ns_end") { + tag = $arg1 + t = gettimeofday_ns(); + if (s = starts[tag, tid()]) { + times[tag, tid()] <<< t-s; + delete starts[tag, tid()]; + } +} + +probe end { + printf("%15s %9s %10s %10s %10s %10s\n", "tag", "tid", "count", + "min(ns)", "avg(ns)", "max(ns)"); + foreach ([tag+, tid] in times) { + printf("%15X %9d %10d %10d %10d %10d\n", tag, tid, @count(times[tag, tid]), + @min(times[tag, tid]), @avg(times[tag, tid]), @max(times[tag, tid])); + } + + printf("Per tag average of averages\n"); + foreach ([tag+, tid] in times) { + times_per_tag[tag] <<< @avg(times[tag, tid]); + } + printf("%15s %10s %10s\n", "tag", "count", "avg(ns)"); + foreach ([tag+] in times_per_tag) { + printf("%15X %10d %10d\n", tag, @count(times_per_tag[tag]), @avg(times_per_tag[tag])); + } +} |