Messages in this thread | | | Date | Mon, 23 Dec 2013 14:10:52 +0100 | From | Frederic Weisbecker <> | Subject | Re: [PATCH] Perf: Correct Assumptions about Sample Timestamps in Passes |
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On Fri, Dec 20, 2013 at 10:09:53AM -0700, David Ahern wrote: > On 12/20/13, 5:27 AM, Joseph Schuchart wrote: > >I know this comes late, but: As far as I can see, your change does not > >preserve the logic of the code I suggested. The idea was to first gather > >all the maximum timestamps of all cpus (that is, the last timestamp seen > >on each cpu) and then determine the minimum of these maxima. These are > >two distinct steps that I think cannot be combined in one update. Your > > A number of people have reported similar problems -- timestamps > below last flush time. This approach would solve that problem for > data processed from files, so it would be a good improvement.
Could it be near what you're looking for?
https://lkml.org/lkml/2012/2/18/53
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