linux-kernel - Re: [PATCH v1] perf: Fix exclusive events' grouping

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Message-ID: <87y31it3jj.fsf@ashishki-desk.ger.corp.intel.com>
Date:   Mon, 01 Jul 2019 14:09:04 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        mathieu.poirier@...aro.org, will.deacon@....com,
        alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH v1] perf: Fix exclusive events' grouping

Alexander Shishkin <alexander.shishkin@...ux.intel.com> writes:

> So far, we tried to disallow grouping exclusive events for the fear of
> complications they would cause with moving between contexts. Specifically,
> moving a software group to a hardware context would violate the exclusivity
> rules if both groups contain matching exclusive events.

This one is bad, please disregard. v2 incoming.

Regards,
--
Alex