From: David Ahern <dsahern@gmail.com>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Frederic Weisbecker <fweisbec@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] perf tools: Fix ordering with unstable tsc
Date: Wed, 14 Mar 2012 14:07:18 -0600 [thread overview]
Message-ID: <4F60FA76.2070204@gmail.com> (raw)
In-Reply-To: <20120314195535.GB13246@infradead.org>
On 3/14/12 1:55 PM, Arnaldo Carvalho de Melo wrote:
> Shouldn't we try to robustify this checking against HEADER_NRCPUS (if
> present)?
>
> I just tried to see how to find that info, but unfortunately it just
> prints it when calling perf_header__fprintf_info, it can be made to
> work.
>
> I need to work on storing those values in a struct accessible thru
> perf_session or perf_evlist, so that I can show that info on the TUI,
> perhaps at that time I can robustify this way.
Xiao added a design for retrieving data for the features in the proposed
kvm-events tool. See the header.c changes in
http://thread.gmane.org/gmane.linux.kernel/1262482
David
next prev parent reply other threads:[~2012-03-14 20:07 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-06 13:25 [BUG] perf: perf sched warning possibly due to clock granularity on AMD Stephane Eranian
2012-02-06 14:26 ` Peter Zijlstra
2012-02-06 14:31 ` Stephane Eranian
2012-02-06 17:17 ` Arnaldo Carvalho de Melo
2012-02-06 15:34 ` Borislav Petkov
2012-02-06 16:37 ` Peter Zijlstra
2012-02-06 16:46 ` Borislav Petkov
2012-02-06 16:54 ` Peter Zijlstra
2012-02-06 20:27 ` Borislav Petkov
2012-02-06 20:31 ` Peter Zijlstra
2012-02-06 20:37 ` Borislav Petkov
2012-02-06 21:19 ` Venki Pallipadi
2012-02-07 7:51 ` Peter Zijlstra
2012-02-07 8:32 ` Ingo Molnar
2012-02-07 9:06 ` Borislav Petkov
2012-02-07 9:50 ` Ingo Molnar
2012-02-07 12:08 ` [PATCH] x86, AMD: Set sched_clock_stable Borislav Petkov
2012-02-15 15:30 ` Peter Zijlstra
2012-02-07 19:43 ` [tip:perf/core] x86/sched/perf/AMD: " tip-bot for Borislav Petkov
2012-02-08 15:07 ` [BUG] perf: perf sched warning possibly due to clock granularity on AMD Frederic Weisbecker
2012-02-08 15:10 ` Stephane Eranian
2012-02-08 15:22 ` Frederic Weisbecker
2012-02-08 15:23 ` Stephane Eranian
2012-02-18 16:50 ` [PATCH] perf tools: Fix ordering with unstable tsc Frederic Weisbecker
2012-02-22 15:35 ` Stephane Eranian
2012-02-22 15:39 ` David Ahern
2012-03-05 18:43 ` Frederic Weisbecker
2012-03-14 19:55 ` Arnaldo Carvalho de Melo
2012-03-14 20:07 ` David Ahern [this message]
2012-03-22 0:10 ` Frederic Weisbecker
2012-03-22 15:28 ` Arnaldo Carvalho de Melo
2012-10-05 15:22 David Ahern
2012-10-06 15:17 ` David Ahern
2012-10-06 15:33 ` Arnaldo Carvalho de Melo
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