From: Peter Zijlstra <peterz@infradead.org>
To: kan.liang@intel.com
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, acme@kernel.org,
tglx@linutronix.de, alexander.shishkin@linux.intel.com,
vince@deater.net, eranian@google.com, andi@firstfloor.org,
Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH] perf/core: introduce context per CPU event list
Date: Thu, 10 Nov 2016 09:33:55 +0100 [thread overview]
Message-ID: <20161110083355.GO3568@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <1478718286-12824-1-git-send-email-kan.liang@intel.com>
Yes this is a problem, but no this cannot be done. We can't have per-cpu
storage per task. That rapidly explodes.
Mark is looking at replacing this stuff with an rb-tree for big-little,
that would also allow improving this I think.
next prev parent reply other threads:[~2016-11-10 8:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 19:04 [PATCH] perf/core: introduce context per CPU event list kan.liang
2016-11-10 8:33 ` Peter Zijlstra [this message]
2016-11-10 11:05 ` Mark Rutland
2016-11-10 11:37 ` Peter Zijlstra
2016-11-10 12:04 ` Mark Rutland
2016-11-10 12:12 ` Peter Zijlstra
2016-11-10 12:26 ` Mark Rutland
2016-11-10 12:58 ` Peter Zijlstra
2016-11-10 14:10 ` Mark Rutland
2016-11-10 14:31 ` Liang, Kan
2016-11-10 16:26 ` Peter Zijlstra
2016-11-10 17:01 ` Mark Rutland
[not found] ` <1483302059-4334-1-git-send-email-davidcc@google.com>
2017-01-01 21:18 ` David Carrillo-Cisneros
2017-01-03 12:00 ` Mark Rutland
2017-01-04 0:39 ` David Carrillo-Cisneros
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