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Re: [PATCH v16 00/15] perf tools: Support overwritable ring buffer

From Jiri Olsa <jolsa@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v16 00/15] perf tools: Support overwritable ring buffer
Date 2016-07-15 17:10 +0200
Message-ID <rVcUx-8sw-11@gated-at.bofh.it> (permalink)
References <rUKlz-7jX-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Jul 14, 2016 at 08:34:32AM +0000, Wang Nan wrote:

SNIP

> 
> v15 -> v16: Follow Jiri Olsa's suggestion:
>             1. Move backward ring buffer state machine to evlist.
> 	    2. Dynamically allocate backward mmap, so backward_mmap == NULL
> 	       means there's no backward ring buffer.
> 	       Stop the state machine when there's no backward ring buffer.
> 	    3. Rename: _output2 to _output_backward.
> 	    4. Patch rearrangement.
> 	    5. Update record__pick_pc(): read from backward_mmap if normal
>                mmap is empty.
> 
> Arnaldo Carvalho de Melo (1):
>   perf tools: Drop redundant evsel->overwrite indicator
> 
> Wang Nan (14):
>   tools lib fd array: Allow associating a pointer cookie with each entry
>   perf tools: Update perf evlist mmap related APIs and helpers
>   perf tools: Decouple record__mmap_read() and evlist.
>   perf tools: Record mmap cookie into fdarray private field
>   perf tools: Extract common code in mmap failure processing
>   perf tools: Introduce backward_mmap array for evlist
>   perf tools: Map backward events to backward_mmap
>   perf tools: Drop evlist->backward
>   perf tools: Setup backward mmap state machine
>   perf record: Read from overwritable ring buffer
>   perf tools: Make perf_evlist__{pause,resume} internal helpers
>   perf tools: Enable overwrite settings
>   perf tools: Don't warn about out of order event if write_backward is
>     used
>   perf tools: Add --tail-synthesize option

looks good to me now ;-)

Acked-by: Jiri Olsa <jolsa@kernel.org>

thanks,
jirka

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Thread

[PATCH v16 00/15] perf tools: Support overwritable ring buffer Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
  [PATCH v16 15/15] perf tools: Add --tail-synthesize option Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
    [tip:perf/core] perf record: Add --tail-synthesize option tip-bot for Wang Nan <tipbot@zytor.com> - 2016-07-16 23:00 +0200
  [PATCH v16 05/15] perf tools: Record mmap cookie into fdarray private field Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
    Re: [PATCH v16 05/15] perf tools: Record mmap cookie into fdarray  private field Jiri Olsa <jolsa@redhat.com> - 2016-07-15 17:00 +0200
    [tip:perf/core] perf evlist: Record mmap cookie into fdarray  private field tip-bot for Wang Nan <tipbot@zytor.com> - 2016-07-16 22:50 +0200
  [PATCH v16 02/15] tools lib fd array: Allow associating a pointer cookie with each entry Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
    [tip:perf/core] tools lib fd array: Allow associating a pointer  cookie with each entry tip-bot for Wang Nan <tipbot@zytor.com> - 2016-07-16 22:50 +0200
  [PATCH v16 10/15] perf tools: Setup backward mmap state machine Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
    [tip:perf/core] perf evlist: Setup backward mmap state machine tip-bot for Wang Nan <tipbot@zytor.com> - 2016-07-16 22:50 +0200
  [PATCH v16 03/15] perf tools: Update perf evlist mmap related APIs and helpers Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
    [tip:perf/core] perf evlist: Update mmap related APIs and helpers tip-bot for Wang Nan <tipbot@zytor.com> - 2016-07-16 22:50 +0200
  [PATCH v16 08/15] perf tools: Map backward events to backward_mmap Wang Nan <wangnan0@huawei.com> - 2016-07-14 10:40 +0200
    [tip:perf/core] perf evlist: Map backward events to backward_mmap tip-bot for Wang Nan <tipbot@zytor.com> - 2016-07-16 22:50 +0200
  Re: [PATCH v16 00/15] perf tools: Support overwritable ring buffer Jiri Olsa <jolsa@redhat.com> - 2016-07-15 17:10 +0200

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