From: Andi Kleen <andi@firstfloor.org>
To: Manuel Selva <selva.manuel@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Harald Servat <harald.servat@bsc.es>,
linux-perf-users@vger.kernel.org
Subject: Re: Sample memory references with at least a given latency?
Date: Thu, 5 Feb 2015 19:59:10 +0100 [thread overview]
Message-ID: <20150205185910.GT3552@two.firstfloor.org> (raw)
In-Reply-To: <54D3BC55.1050302@gmail.com>
On Thu, Feb 05, 2015 at 07:54:13PM +0100, Manuel Selva wrote:
> What information is present in the samples recorded by perf record
> (on which ocperf relies) ?
man perf_event_open
man perf-record
It depends on what options you pass to record. As of the latest kernel
practically everything in PEBS is supported. Before that the GPRs were missing.
You can get for example memory source, address or TSX information.
-Andi
prev parent reply other threads:[~2015-02-05 18:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-04 12:48 Sample memory references with at least a given latency? Harald Servat
[not found] ` <CALbiyZw=SqhFLtzse53SW_B-JMo-+AxPGDAE9C_aBmo4X88mrA@mail.gmail.com>
2015-02-04 13:34 ` Harald Servat
2015-02-18 9:31 ` Harald Servat
[not found] ` <CALbiyZyJhUNfMNOYwJ26P-Lq+3E_xM8SpZ9CG+WR70-n_k9x8A@mail.gmail.com>
2015-02-04 14:20 ` Harald Servat
2015-02-04 14:33 ` Vince Weaver
2015-02-05 11:33 ` Manuel Selva
2015-02-05 11:39 ` Harald Servat
2015-02-05 16:58 ` Andi Kleen
2015-02-05 18:54 ` Manuel Selva
2015-02-05 18:59 ` Andi Kleen [this message]
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