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Message-ID: <51886108.3040804@hitachi.com> Date: Tue, 07 May 2013 11:03:52 +0900 From: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com> To: Steven Rostedt <rostedt@...dmis.org> Cc: Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, linux-kernel@...r.kernel.org, yrl.pp-manager.tt@...achi.com Subject: Re: [PATCH V3 0/3] trace-cmd: Support a raw format for outputting timestamp Hi Steven, Would you review this patch for trace-cmd? Thanks, Yoshihiro YUNOMAE (2013/04/25 8:12), Yoshihiro YUNOMAE wrote: > Hi Steven, > > This patch series extracts the trace_clock file for switching outputting format > of timestamp. This patch series uses the options feature, so trace-cmd keeps > backward compatibility. > > In tsc or counter modes, trace-cmd should output timestamp not in the sec.usec > format but in the raw format. For example, we will show results in trace-cmd > report mode as follows by applying this patch series: > > <for local or global mode> > bash-9022 [000] 34984.109846: sched_wakeup: comm=migration/3 pid=23 prio=0 success=1 target_cpu=003 > <idle>-0 [002] 34984.109847: cpu_idle: state=4294967295 cpu_id=2 > bash-9022 [000] 34984.109848: sched_switch: prev_comm=bash prev_pid=9022 prev_prio=120 prev_state=R ==> next_comm=migration/0 next_pid=8 next_prio=0 > <idle>-0 [002] 34984.109849: sched_switch: prev_comm=swapper/2 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=migration/2 next_pid=18 next_prio=0 > > <for tsc or counter mode> > bash-9022 [000] 34984109846: sched_wakeup: comm=migration/3 pid=23 prio=0 success=1 target_cpu=003 > <idle>-0 [002] 34984109847: cpu_idle: state=4294967295 cpu_id=2 > bash-9022 [000] 34984109848: sched_switch: prev_comm=bash prev_pid=9022 prev_prio=120 prev_state=R ==> next_comm=migration/0 next_pid=8 next_prio=0 > <idle>-0 [002] 34984109849: sched_switch: prev_comm=swapper/2 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=migration/2 next_pid=18 next_prio=0 > > v2: > - Separate input/output patches (2/3 and 3/3) > - Define TRACECMD_OPTION_TRACECLOCK for extracting trace_clock (2/3) > - Check whether TRACECMD_OPTION_TRACECLOCK exists or not in trace.dat (3/3) > > v3: > - a file variable in save_tracing_file_data() is freed when operation is failed > (1/3) > - check the return value of get_tracing_file() in save_tracing_file_data() > (1/3) > > Thank you, > > --- > > Yoshihiro YUNOMAE (3): > trace-cmd: Define general functions for outputting/inputting saved_cmdlines > trace-cmd: Add recording to trace_clock > trace-cmd: Add support for extracting trace_clock in report > > > event-parse.c | 50 ++++++++++++++++++++++++++++------- > event-parse.h | 6 ++++ > trace-cmd.h | 3 ++ > trace-input.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++---------- > trace-output.c | 71 +++++++++++++++++++++++++++++++------------------- > trace-read.c | 4 ++- > trace-record.c | 3 ++ > trace-util.c | 26 ++++++++++++++++++ > 8 files changed, 188 insertions(+), 54 deletions(-) > -- Yoshihiro YUNOMAE Software Platform Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: yoshihiro.yunomae.ez@...achi.com -- 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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