From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
davem@davemloft.net, perfmon2-devel@lists.sf.net,
eranian@gmail.com, robert.richter@amd.com,
markus.t.metzger@intel.com,
"markus.t.metzger" <markus.t.metzger@intel.com>
Subject: Re: [PATCH] perf_events: improve DS/BTS/PEBS buffer allocation
Date: Mon, 13 Sep 2010 17:24:40 +0200 [thread overview]
Message-ID: <1284391480.2275.350.camel@laptop> (raw)
In-Reply-To: <AANLkTin35TXPcs9u3pLfo8QRUmGnftT1DPfswRUVEvJW@mail.gmail.com>
On Mon, 2010-09-13 at 17:20 +0200, Stephane Eranian wrote:
> That is the case we the sizes you have chosen today. For DS, we
> could round up to one page for now.
Markus chose the BTS size, for PEBS a single page was plenty since we do
single event things (although we could do multiple for attr.precise_ip <
2).
For DS there's:
kmalloc_node(sizeof(struct ds), GFP_KERNEL | __GFP_ZERO, cpu_node(cpu));
next prev parent reply other threads:[~2010-09-13 15:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-13 14:55 [PATCH] perf_events: improve DS/BTS/PEBS buffer allocation Stephane Eranian
2010-09-13 15:08 ` Peter Zijlstra
2010-09-13 15:21 ` Stephane Eranian
2010-09-13 15:09 ` Frederic Weisbecker
2010-09-13 15:13 ` Stephane Eranian
2010-09-13 15:16 ` Peter Zijlstra
2010-09-13 15:20 ` Stephane Eranian
2010-09-13 15:24 ` Peter Zijlstra [this message]
2010-09-13 15:31 ` Stephane Eranian
2010-09-13 15:41 ` Peter Zijlstra
2010-09-13 15:51 ` Frederic Weisbecker
2010-09-13 15:55 ` Stephane Eranian
2010-09-13 17:35 ` Peter Zijlstra
2010-09-13 18:40 ` Stephane Eranian
2010-09-13 18:42 ` Peter Zijlstra
2010-09-13 18:49 ` Stephane Eranian
2010-09-13 18:57 ` Peter Zijlstra
2010-09-13 19:12 ` Stephane Eranian
2010-09-13 19:31 ` Mathieu Desnoyers
2010-09-13 19:34 ` Peter Zijlstra
2010-09-13 19:35 ` Peter Zijlstra
2010-09-13 19:42 ` Mathieu Desnoyers
2010-09-13 17:24 ` Stephane Eranian
2010-09-13 17:36 ` Peter Zijlstra
2010-09-13 19:35 ` Andi Kleen
2010-09-13 19:49 ` Peter Zijlstra
2010-09-13 20:51 ` Andi Kleen
2010-09-13 20:57 ` [perfmon2] " Luck, Tony
2010-09-13 20:34 ` H. Peter Anvin
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