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Re: [PATCH v2 4/6] perf sched timehist: Add option to specify time window of interest

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On 11/29/16 11:56 AM, Arnaldo Carvalho de Melo wrote:
> Em Tue, Nov 29, 2016 at 10:15:44AM -0700, David Ahern escreveu:
>> Add option to allow user to control analysis window. e.g., collect data
>> for time window and analyze a segment of interest within that window.
> Trying to test this I got:
> 
> [root@jouet ~]# perf sched timehist
> No trace sample to read. Did you call 'perf record -R'?
> [root@jouet ~]#
> 
> Could you please provide a better error message?

sure, but that error is unrelated to this patch set.

> 
> The perf.data file had this:
> 
> [root@jouet ~]# perf evlist -v
> cycles:ppp: size: 112, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|CALLCHAIN|CPU|PERIOD, disabled: 1, inherit: 1, mmap: 1, comm: 1, freq: 1, task: 1, precise_ip: 3, sample_id_all: 1, exclude_guest: 1, mmap2: 1, comm_exec: 1
> [root@jouet ~]# 

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[PATCH v2 0/6] perf: Add option to specify time window of interest David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:20 +0100
  [PATCH v2 6/6] perf report: Add option to specify time window of interest David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:20 +0100
    [tip:perf/core] perf report: Add option to specify time window of  interest tip-bot for David Ahern <tipbot@zytor.com> - 2016-12-02 11:50 +0100
  [PATCH v2 5/6] perf kmem: Add option to specify time window of interest David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:20 +0100
    [tip:perf/core] perf kmem: Add option to specify time window of  interest tip-bot for David Ahern <tipbot@zytor.com> - 2016-12-02 11:50 +0100
  [PATCH v2 4/6] perf sched timehist: Add option to specify time window of interest David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:20 +0100
    Re: [PATCH v2 4/6] perf sched timehist: Add option to specify time  window of interest Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-11-29 20:00 +0100
      Re: [PATCH v2 4/6] perf sched timehist: Add option to specify time  window of interest David Ahern <dsahern@gmail.com> - 2016-11-29 20:00 +0100
        Re: [PATCH v2 4/6] perf sched timehist: Add option to specify time  window of interest Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-11-29 20:30 +0100
    [tip:perf/core] perf sched timehist: Add option to specify time  window of interest tip-bot for David Ahern <tipbot@zytor.com> - 2016-12-02 11:50 +0100
  [PATCH v2 3/6] perf script: Add option to specify time window of interest David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:20 +0100
    [tip:perf/core] perf script: Add option to specify time window of  interest tip-bot for David Ahern <tipbot@zytor.com> - 2016-12-02 11:50 +0100
  [PATCH v2 2/6] perf tool: Move parse_nsec_time to time-utils.c David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:20 +0100
    [tip:perf/core] perf tools: Move parse_nsec_time to time-utils.c tip-bot for David Ahern <tipbot@zytor.com> - 2016-12-02 11:50 +0100
  [PATCH v2 1/6] perf tool: Add time-based utility functions David Ahern <dsa@cumulusnetworks.com> - 2016-11-29 18:30 +0100
    [tip:perf/core] perf tools: Add time-based utility functions tip-bot for David Ahern <tipbot@zytor.com> - 2016-12-02 11:50 +0100
  Re: [PATCH v2 0/6] perf: Add option to specify time window of  interest Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-11-29 20:20 +0100
    Re: [PATCH v2 0/6] perf: Add option to specify time window of interest Namhyung Kim <namhyung@kernel.org> - 2016-11-30 06:30 +0100
      Re: [PATCH v2 0/6] perf: Add option to specify time window of  interest Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-11-30 15:30 +0100

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