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Message-ID: <87k2r8jjms.fsf@ashishki-desk.ger.corp.intel.com> Date: Wed, 30 Sep 2015 13:18:03 +0300 From: Alexander Shishkin <alexander.shishkin@...ux.intel.com> To: Mathieu Poirier <mathieu.poirier@...aro.org>, gregkh@...uxfoundation.org, a.p.zijlstra@...llo.nl, acme@...nel.org, mingo@...hat.com, corbet@....net Cc: adrian.hunter@...el.com, zhang.chunyan@...aro.org, mike.leach@....com, tor@...com, al.grant@....com, pawel.moll@....com, linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [RFC PATCH 00/20] Coresight integration with perf Mathieu Poirier <mathieu.poirier@...aro.org> writes: > This patchset aims to integrate configuration and control of > the Coresight tracers with the perf sub-system. > > The goal is to use PMUs to represent tracers and the auxiliary > buffer enhancement to collect processor traces. As such a lot > of work is done to move the current Coresight sysFS oriented > configuration and control commands to perf's AUX API. Another general question: is there anything that prevents a sysfs user from changing ETM/ETB configuration while it's used by a perf event? I couldn't find any code in this patchset that would implement such exclusivity. Thanks, -- Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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