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Date: Tue, 22 Jun 2010 19:10:22 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Frederic Weisbecker <fweisbec@...il.com> Cc: paulus <paulus@...ba.org>, stephane eranian <eranian@...glemail.com>, Robert Richter <robert.richter@....com>, Will Deacon <will.deacon@....com>, Paul Mundt <lethal@...ux-sh.org>, Cyrill Gorcunov <gorcunov@...il.com>, Lin Ming <ming.m.lin@...el.com>, Yanmin <yanmin_zhang@...ux.intel.com>, Deng-Cheng Zhu <dengcheng.zhu@...il.com>, David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org Subject: Re: [RFC][PATCH 8/8] perf: Rework the PMU methods On Tue, 2010-06-22 at 18:26 +0200, Frederic Weisbecker wrote: > > > It would be nice to have a PERF_EF_STOP as well in ->del, so that > > > each pmu don't need to maintain an internal state. > > > > You have to track it since we can stop the thing outselves without the > > caller knowing. > > > From the pmu internals yeah, that's what the x86 pmu does. But otherwise, other > pmu don't do such things. Everybody who does throttling will have to. -- 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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