From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, acme@redhat.com, mingo@elte.hu,
dsahern@gmail.com
Subject: Re: [PATCH] perf: make perf.data more self-descriptive (v3)
Date: Wed, 07 Sep 2011 21:28:46 +0200 [thread overview]
Message-ID: <1315423726.11101.27.camel@twins> (raw)
In-Reply-To: <CABPqkBRzA32PW2E_wZrESrCQB2KPJqqomZD0M3x4ZBDzWJGi+Q@mail.gmail.com>
On Wed, 2011-09-07 at 14:55 +0200, Stephane Eranian wrote:
> On Wed, Sep 7, 2011 at 10:12 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Tue, 2011-09-06 at 22:46 +0200, Stephane Eranian wrote:
> >> +static const char *topo_fmt[] = {
> >> + "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list",
> >> + "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list",
> >> + NULL
> >> +};
> >
> > No nodes?
> >
> To record what information? core/thread siblings or memory stuff?
Dunno really,.. but nodes are part of the topology and with people
interested in all this uncore business it might make sense to have that.
Maybe even record the node-distance table so you can reconstruct the
interconnect topology.
next prev parent reply other threads:[~2011-09-07 19:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-06 20:46 [PATCH] perf: make perf.data more self-descriptive (v3) Stephane Eranian
2011-09-07 1:35 ` David Ahern
2011-09-07 8:12 ` Peter Zijlstra
2011-09-07 12:55 ` Stephane Eranian
2011-09-07 19:28 ` Peter Zijlstra [this message]
2011-09-07 19:34 ` Stephane Eranian
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