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Groups > linux.kernel > #1291349
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) |
| Date | 2015-12-14 17:50 +0100 |
| Message-ID | <qFEtZ-di-31@gated-at.bofh.it> (permalink) |
| References | (4 earlier) <qExuy-69x-11@gated-at.bofh.it> <qFxCa-4ar-15@gated-at.bofh.it> <qFxLP-4dP-17@gated-at.bofh.it> <qFCLw-7vq-29@gated-at.bofh.it> <qFEaD-5c-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Dec 14, 2015 at 01:26:55PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Dec 14, 2015 at 07:55:32AM -0700, David Ahern escreveu: > > On 12/14/15 2:38 AM, Ingo Molnar wrote: > > > > > >>And in an unrelated note, I absolutely detest --buildid being the > > >>default, it makes perf-record blow chunks. > Multiple things here, .debug/ should be size limited, and buildid > processing doesn't need necessarily to store things in that cache, I bet > what PeterZ is complaining about is the reprocessing of events at the > end of the session, to find out about the PERF_RECORD_MMAP* events to > then read the build-ids and insert then into the perf.data file header. > Yeah, its the reprocessing that is taking forever.. On my moderately sized system with 40 CPUs, the reprocessing is taking about as long as the actual workload, which is tedious. Once I figured out what was happening Jiri was quick to point out I should be using -B. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Peter Zijlstra <peterz@infradead.org> - 2015-12-14 10:30 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Ingo Molnar <mingo@kernel.org> - 2015-12-14 10:40 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) David Ahern <dsahern@gmail.com> - 2015-12-14 16:00 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 17:30 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Peter Zijlstra <peterz@infradead.org> - 2015-12-14 17:50 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 19:00 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Namhyung Kim <namhyung@kernel.org> - 2015-12-14 17:40 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Peter Zijlstra <peterz@infradead.org> - 2015-12-14 18:00 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Namhyung Kim <namhyung@kernel.org> - 2015-12-14 18:20 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) David Ahern <dsahern@gmail.com> - 2015-12-14 15:50 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Namhyung Kim <namhyung@kernel.org> - 2015-12-14 18:10 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 19:00 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Namhyung Kim <namhyung@kernel.org> - 2015-12-14 17:30 +0100
Re: [PATCHSET 00/16] perf top: Add multi-thread support (v1) Peter Zijlstra <peterz@infradead.org> - 2015-12-14 17:50 +0100
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