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From: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To: Will Deacon <will@kernel.org>
Cc: Qi Liu <liuqi115@huawei.com>, <mark.rutland@arm.com>,
	<zhangshaokun@hisilicon.com>, <linuxarm@huawei.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU
Date: Thu, 8 Apr 2021 10:01:57 +0100	[thread overview]
Message-ID: <20210408100157.000062f0@Huawei.com> (raw)
In-Reply-To: <20210407204004.GB16011@willie-the-truck>

On Wed, 7 Apr 2021 21:40:05 +0100
Will Deacon <will@kernel.org> wrote:

> On Wed, Apr 07, 2021 at 05:49:02PM +0800, Qi Liu wrote:
> > PCIe PMU Root Complex Integrated End Point(RCiEP) device is supported
> > to sample bandwidth, latency, buffer occupation etc.
> > 
> > Each PMU RCiEP device monitors multiple root ports, and each RCiEP is
> > registered as a pmu in /sys/bus/event_source/devices, so users can
> > select target PMU, and use filter to do further sets.
> > 
> > Filtering options contains:
> > event        - select the event.
> > subevent     - select the subevent.
> > port         - select target root ports. Information of root ports
> >                are shown under sysfs.
> > bdf           - select requester_id of target EP device.
> > trig_len     - set trigger condition for starting event statistics.
> > trigger_mode - set trigger mode. 0 means starting to statistic when
> >                bigger than trigger condition, and 1 means smaller.
> > thr_len      - set threshold for statistics.
> > thr_mode     - set threshold mode. 0 means count when bigger than
> >                threshold, and 1 means smaller.
> > 
> > Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>  
> 
> Do you have a link to this review, please?

Internal review, so drop the tag.

Jonathan

> 
> Will
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


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  reply	other threads:[~2021-04-08  9:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07  9:49 [PATCH 0/2] drivers/perf: hisi: Add support for " Qi Liu
2021-04-07  9:49 ` [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon " Qi Liu
2021-04-07 20:40   ` Will Deacon
2021-04-08  9:01     ` Jonathan Cameron [this message]
2021-04-08 12:55       ` John Garry
2021-04-08 13:28         ` Will Deacon
2021-04-07  9:49 ` [PATCH 2/2] docs: perf: Add description for HiSilicon PCIe PMU driver Qi Liu

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