linux-kernel - Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

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Message-ID: <16a7a3f8-82b5-a113-57c0-a9d575c649bd@huawei.com>
Date:   Thu, 8 Apr 2021 13:55:02 +0100
From:   John Garry <john.garry@...wei.com>
To:     Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Will Deacon <will@...nel.org>
CC:     "liuqi (BA)" <liuqi115@...wei.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        Zhangshaokun <zhangshaokun@...ilicon.com>,
        Linuxarm <linuxarm@...wei.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] drivers/perf: hisi: Add driver for HiSilicon PCIe PMU

On 08/04/2021 10:01, Jonathan Cameron wrote:
> On Wed, 7 Apr 2021 21:40:05 +0100
> Will Deacon <will@...nel.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@...wei.com>
>>
>> Do you have a link to this review, please?
> 
> Internal review, so drop the tag.
> 
> Jonathan

Hi Will,

Are you implying that you would rather that any review for these drivers 
is done in public on the lists?

Cheers,
John