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Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping

From Alexey Budankov <alexey.budankov@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping
Date 2017-09-11 09:00 +0200
Message-ID <uoqRj-7DR-9@gated-at.bofh.it> (permalink)
References (6 earlier) <ulYmu-5lg-9@gated-at.bofh.it> <um110-6Md-11@gated-at.bofh.it> <um1No-7jl-27@gated-at.bofh.it> <umj7A-1oz-3@gated-at.bofh.it> <umkdj-21X-3@gated-at.bofh.it>
Organization Intel Corp.

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Hi,
On 05.09.2017 14:19, Peter Zijlstra wrote:
> On Tue, Sep 05, 2017 at 01:17:39PM +0300, Alexey Budankov wrote:
>> However we can't completely get rid of whole tree iterations because of 
>> inheritance code on forks in perf_event_init_context() here:
> 
> Right, fork() / inherit needs to iterate the full thing, nothing to be
> done about that.
> 
> I'll go make proper patches for that timekeeping rewrite and then have a
> look at your patches.
> 

Is there any progress so far? The latest patch version is here: 

https://lkml.org/lkml/2017/9/8/118

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Thread

[RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-08-31 19:20 +0200
  Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-01 12:50 +0200
    Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-01 14:40 +0200
  Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-01 13:20 +0200
    Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-01 14:50 +0200
  Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Vince Weaver <vince@deater.net> - 2017-09-01 23:30 +0200
  Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-04 12:50 +0200
    Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-04 14:10 +0200
      Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-04 17:00 +0200
        Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-04 17:50 +0200
          Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-04 18:00 +0200
          Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-05 13:30 +0200
            Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-11 09:00 +0200
          Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-05 14:10 +0200
            Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-05 15:00 +0200
            Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-05 18:10 +0200
              Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-06 15:50 +0200
              Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Alexey Budankov <alexey.budankov@linux.intel.com> - 2017-09-08 10:50 +0200
  Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping Peter Zijlstra <peterz@infradead.org> - 2017-09-05 11:50 +0200

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