linux-kernel - Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration

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Message-ID: <CANLsYkzK+mNRYiGn0SLQ5kA0+xxi6OGVbNL4F3LLRBTgSkssxQ@mail.gmail.com>
Date:	Fri, 5 Aug 2016 09:35:05 -0600
From:	Mathieu Poirier <mathieu.poirier@...aro.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>, jolsa@...nel.org,
	Ingo Molnar <mingo@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Vince Weaver <vince@...ter.net>,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Subject: Re: [PATCH V3 1/6] perf/core: Adding PMU driver specific configuration

On 4 August 2016 at 10:58, Peter Zijlstra <peterz@...radead.org> wrote:
> On Thu, Jul 28, 2016 at 03:42:18PM -0600, Mathieu Poirier wrote:
>> This patch somewhat mimics the work done on address filters to
>> add the infrastructure needed to pass PMU specific HW
>> configuration to the driver before a session starts.
>>
>> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
>
>> diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
>> index c66a485a24ac..90fbc5fd3925 100644
>> --- a/include/uapi/linux/perf_event.h
>> +++ b/include/uapi/linux/perf_event.h
>> @@ -407,6 +407,7 @@ struct perf_event_attr {
>>  #define PERF_EVENT_IOC_ID            _IOR('$', 7, __u64 *)
>>  #define PERF_EVENT_IOC_SET_BPF               _IOW('$', 8, __u32)
>>  #define PERF_EVENT_IOC_PAUSE_OUTPUT  _IOW('$', 9, __u32)
>> +#define PERF_EVENT_IOC_SET_DRV_CONFIGS       _IOW('$', 10, char *)
>
> Please also do a manpages patch.

Patch 3/6 in this set documents the new option
(tools/perf/Documentation/perf-record.tx).  Is this what you were
looking for?  If not please expand on the information you want to see
added add and where.

Thanks,
Mathieu