linux-kernel - Re: [PATCH V3 4/6] perf tools: pushing driver configuration down to the kernel

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Message-ID: <CANLsYkxAVU7yX-a0mUGxC0EtLZUpORPSpbgHeUPo99JOFRu2xg@mail.gmail.com>
Date:	Wed, 3 Aug 2016 15:46:29 -0600
From:	Mathieu Poirier <mathieu.poirier@...aro.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>, jolsa@...nel.org,
	Peter Zijlstra <peterz@...radead.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>
Subject: Re: [PATCH V3 4/6] perf tools: pushing driver configuration down to
 the kernel

On 31 July 2016 at 06:03, Jiri Olsa <jolsa@...hat.com> wrote:
> On Thu, Jul 28, 2016 at 03:42:21PM -0600, Mathieu Poirier wrote:
>> Now that PMU specific driver configuration are queued in
>> evsel::config_terms, all we need to do is re-use the current
>> ioctl() mechanism to push down the information to the kernel
>> driver.
>>
>> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
>> ---
>>  tools/perf/builtin-record.c |  9 +++++++++
>>  tools/perf/builtin-stat.c   |  8 ++++++++
>
> how about perf top?

It took me a while to notice the "event" option in cmd_top().  You are
correct, it applies there as well.

Mathieu

>
> jirka