From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: Robert Richter <robert.richter@amd.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@redhat.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/7] perf/x86-ibs: Add support for IBS pseudo events
Date: Mon, 07 May 2012 17:29:17 +0200 [thread overview]
Message-ID: <1336404557.27020.69.camel@laptop> (raw)
In-Reply-To: <CABPqkBQQcENVAdZZ3PzEbwNNRFh+r9yax10s37cAe7uuOwBPOw@mail.gmail.com>
On Mon, 2012-05-07 at 17:21 +0200, Stephane Eranian wrote:
> There is something I don't quite understand with those pseudo-events.
> Is it the case that by construction, it means you can only measure
> on pseudo-event at a time? Supposed I want to look at cache-misses.
> For each miss, I'd like to know where it missed, any TLB impacts. All
> of that in one run with no multiplexing. Can I do this with your
> pseudo-events?
>
Not from how I read the patch, a pseudo event will count as a full event
and since the IBS things only have a single thing its full.
If you want multiple of these you'd have to get the raw stream and demux
in userspace.
next prev parent reply other threads:[~2012-05-07 15:29 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 18:26 [PATCH 0/7] perf/x86-ibs and tools: Add support for AMD IBS Robert Richter
2012-05-02 18:26 ` [PATCH 1/7] perf tools: Fix generation of pmu list Robert Richter
2012-05-02 18:26 ` [PATCH 2/7] perf tools: Add basic dynamic PMU support Robert Richter
2012-05-02 18:26 ` [PATCH 3/7] perf tools: Add parser for dynamic PMU events Robert Richter
2012-05-07 11:01 ` Peter Zijlstra
2012-05-07 17:05 ` Robert Richter
2012-05-07 17:10 ` Peter Zijlstra
2012-05-02 18:26 ` [PATCH 4/7] perf/x86-ibs: Add support for IBS pseudo events Robert Richter
2012-05-07 11:00 ` Peter Zijlstra
2012-05-07 14:47 ` Robert Richter
2012-05-07 15:15 ` Peter Zijlstra
2012-05-07 16:03 ` Robert Richter
2012-05-07 12:08 ` Peter Zijlstra
2012-05-07 13:03 ` Peter Zijlstra
2012-05-07 15:44 ` Robert Richter
2012-05-07 15:51 ` Peter Zijlstra
2012-05-07 15:58 ` Robert Richter
2012-05-07 15:21 ` Stephane Eranian
2012-05-07 15:29 ` Peter Zijlstra [this message]
2012-05-07 15:52 ` Robert Richter
2012-05-02 18:26 ` [PATCH 5/7] perf, tools: Add raw event support for dynamic allocated pmus Robert Richter
2012-05-07 13:05 ` Peter Zijlstra
2012-05-07 14:20 ` Peter Zijlstra
2012-05-02 18:26 ` [PATCH 6/7] perf tools: Add pmu mappings to header information Robert Richter
2012-05-02 18:26 ` [PATCH 7/7] perf script: Add script to collect and display IBS samples Robert Richter
2012-05-31 15:24 ` [PATCH 0/7] perf/x86-ibs and tools: Add support for AMD IBS Stephane Eranian
2012-05-31 15:51 ` Robert Richter
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