linux-kernel - Re: [PATCH v6 1/1] perf cs-etm: Split Coresight decode by aux records

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Message-ID: <e63e820d-d84a-cb83-cf1d-cc9750dfb7b0@arm.com>
Date:   Fri, 11 Jun 2021 14:57:24 +0100
From:   James Clark <james.clark@....com>
To:     acme@...nel.org, mathieu.poirier@...aro.org,
        coresight@...ts.linaro.org, leo.yan@...aro.org
Cc:     al.grant@....com, branislav.rankov@....com, denik@...omium.org,
        suzuki.poulose@....com, anshuman.khandual@....com,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mike Leach <mike.leach@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 1/1] perf cs-etm: Split Coresight decode by aux records



On 11/06/2021 12:00, James Clark wrote:
> Populate the auxtrace queues using AUX records rather than whole
> auxtrace buffers so that the decoder is reset between each aux record.
> 

I'd like to not have this applied for the time being. Testing Leo's
snapshot fix has turned up some interactions with snapshot mode that I'm not
100% sure about yet.