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

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Date:	Thu, 4 Aug 2016 18:58:21 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:	acme@...nel.org, jolsa@...nel.org, mingo@...hat.com,
	linux-kernel@...r.kernel.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 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.