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Date: Sun, 8 Nov 2009 10:21:21 +0100 From: Ingo Molnar <mingo@...e.hu> To: Hitoshi Mitake <mitake@....info.waseda.ac.jp> Cc: linux-kernel@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au>, Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Mike Galbraith <efault@....de>, Arnaldo Carvalho de Melo <acme@...hat.com>, fweisbec@...il.com, Jiri Kosina <jkosina@...e.cz> Subject: Re: [PATCH v5 0/7] Adding general performance benchmarking subcommand to perf. * Hitoshi Mitake <mitake@....info.waseda.ac.jp> wrote: > This patch series add general benchmark subcommand to perf. > > The subcommand will unify the benchmarking programs > and provide these in standardized way. > > I fixed this series for latest tip tree. > My previous patch series conflicts with cmd_probe(). > So please discard v4 and use this v5. > > Hitoshi Mitake (7): > Adding new directory and header for new subcommand 'bench' > sched-messaging.c: benchmark for scheduler and IPC mechanisms based > on hackbench > sched-pipe.c: benchmark for pipe() system call > builtin-bench.c: General framework for benchmark suites > Modifying builtin.h for new prototype > Modyfing perf.c for subcommand 'bench' > Modyfing Makefile to build subcommand 'bench' > > tools/perf/Makefile | 6 + > tools/perf/bench/bench.h | 9 + > tools/perf/bench/sched-messaging.c | 332 ++++++++++++++++++++++++++++++++++++ > tools/perf/bench/sched-pipe.c | 113 ++++++++++++ > tools/perf/builtin-bench.c | 128 ++++++++++++++ > tools/perf/builtin.h | 1 + > tools/perf/perf.c | 1 + > 7 files changed, 590 insertions(+), 0 deletions(-) > create mode 100644 tools/perf/bench/bench.h > create mode 100644 tools/perf/bench/sched-messaging.c > create mode 100644 tools/perf/bench/sched-pipe.c > create mode 100644 tools/perf/builtin-bench.c Looks good - i've applied the patches to tip:perf/bench, thanks! There's one small bug i noticed: $ ./perf bench sched pipe (executing 1000000 pipe operations between two tasks) Total time:4.898 sec $ 4.898586 usecs/op 204140 ops/sec the shell prompt came back before the usecs/op and ops/sec line was printed. Process teardown race, lack of wait() or so? Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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