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Groups > linux.kernel > #1471940
| From | Mathieu Poirier <mathieu.poirier@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V6 0/5] perf: Driver specific configuration for PMU |
| Date | 2016-08-29 18:00 +0200 |
| Message-ID | <sbx8B-Ie-7@gated-at.bofh.it> (permalink) |
| References | <sa9rH-5Q6-1@gated-at.bofh.it> <sb96i-2Nl-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 28 August 2016 at 08:18, Jiri Olsa <jolsa@redhat.com> wrote: > On Thu, Aug 25, 2016 at 02:20:40PM -0600, Mathieu Poirier wrote: > > SNIP > >> perf record -e some_event/@cfg1,@cfg2=config/ ... >> >> The above are all valid configuration and will see the strings 'cfg1' >> and 'cfg2=config' sent to the PMU driver for parsing and interpretation >> using the existing ioctl() mechanism. >> >> The primary customers for this feature are the CoreSight drivers where >> the selection of a sink (where trace data is accumulated) needs to be >> done in a previous, and separated step, from the launching of the perf >> command. >> >> As such something that used to be a two-step process: >> >> # echo 1 > /sys/bus/coresight/devices/20070000.etr/enable_sink >> # perf record -e cs_etm//u --per-thread uname >> >> is integrated in a single command: >> >> # perf record -e cs_etm/@20070000.etr/u --per-thread uname >> >> Thanks, >> Mathieu >> >> Changes for V6: >> - Using sysFS rather than an ioctl() to communicate command line >> parameters to the CoreSight PMU. > > apart from few nits it looks good.. but can't say for patch 2/5 ;-) > > Acked-by: Jiri Olsa <jolsa@kernel.org> > Many thanks for taking the time to look at this set - your time is much appreciated. > thanks, > jirka
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[PATCH V6 0/5] perf: Driver specific configuration for PMU Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-25 22:30 +0200
[PATCH V6 1/5] perf tools: making coresight PMU listable Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-25 22:30 +0200
Re: [PATCH V6 1/5] perf tools: making coresight PMU listable Jiri Olsa <jolsa@redhat.com> - 2016-08-28 16:20 +0200
Re: [PATCH V6 1/5] perf tools: making coresight PMU listable Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-29 18:00 +0200
Re: [PATCH V6 1/5] perf tools: making coresight PMU listable Jiri Olsa <jolsa@redhat.com> - 2016-08-31 09:00 +0200
[PATCH V6 2/5] perf tools: adding coresight etm PMU record capabilities Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-25 22:30 +0200
[PATCH V6 3/5] perf tools: add infrastructure for PMU specific configuration Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-25 22:30 +0200
[PATCH V6 5/5] perf tools: adding sink configuration for cs_etm PMU Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-25 22:30 +0200
Re: [PATCH V6 5/5] perf tools: adding sink configuration for cs_etm PMU Jiri Olsa <jolsa@redhat.com> - 2016-08-28 16:20 +0200
Re: [PATCH V6 5/5] perf tools: adding sink configuration for cs_etm PMU Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-29 18:00 +0200
[PATCH V6 4/5] perf tools: Pushing configuration down to PMU driver Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-25 22:30 +0200
Re: [PATCH V6 0/5] perf: Driver specific configuration for PMU Jiri Olsa <jolsa@redhat.com> - 2016-08-28 16:20 +0200
Re: [PATCH V6 0/5] perf: Driver specific configuration for PMU Mathieu Poirier <mathieu.poirier@linaro.org> - 2016-08-29 18:00 +0200
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