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From: Jiri Olsa <jolsa@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: acme@kernel.org, peterz@infradead.org, jolsa@kernel.org,
	eranian@google.com, mingo@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: Add top down metrics to perf stat
Date: Sun, 27 Mar 2016 13:27:59 +0200	[thread overview]
Message-ID: <20160327112759.GE4015@krava.sund.root.ku.dk> (raw)
In-Reply-To: <1458688137-5946-1-git-send-email-andi@firstfloor.org>

On Tue, Mar 22, 2016 at 04:08:46PM -0700, Andi Kleen wrote:

SNIP

> In this case perf stat automatically enables --per-core mode and also requires
> global mode (-a) and avoiding other filters (no cgroup mode)
> 
> When Hyper Threading is off this can be overriden with the --single-thread
> option. When Hyper Threading is on it is enforced, the only way to
> not require -a here is to off line the logical CPUs of the second
> threads.
> 
> One side effect is that this may require root rights or a
> kernel.perf_event_paranoid=-1 setting. 
> 
> Full tree available in 
> git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc perf/top-down-16
> 

can't see this one (-16):

[jolsa@krava perf]$ git remote update ak
Fetching ak
[jolsa@krava perf]$ git branch -r | grep top-down
  ak/perf/top-down-10
  ak/perf/top-down-11
  ak/perf/top-down-13
  ak/perf/top-down-2

thanks,
jirka

  parent reply	other threads:[~2016-03-27 11:28 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-22 23:08 Add top down metrics to perf stat Andi Kleen
2016-03-22 23:08 ` [PATCH 01/11] x86, perf: Support sysfs files depending on SMT status Andi Kleen
2016-03-22 23:08 ` [PATCH 02/11] x86, perf: Add Top Down events to Intel Core Andi Kleen
2016-03-22 23:08 ` [PATCH 03/11] x86, perf: Add Top Down events to Intel Atom Andi Kleen
2016-03-22 23:08 ` [PATCH 04/11] x86, perf: Use new ht_on flag in HT leak workaround Andi Kleen
2016-03-22 23:08 ` [PATCH 05/11] perf, tools: Parse an .aggr-per-core event attribute Andi Kleen
2016-03-22 23:08 ` [PATCH 06/11] perf, tools, stat: Force --per-core mode for .aggr-per-core aliases Andi Kleen
2016-03-22 23:08 ` [PATCH 07/11] perf, tools, stat: Avoid fractional digits for integer scales Andi Kleen
2016-03-22 23:08 ` [PATCH 08/11] perf, tools, stat: Scale values by unit before metrics Andi Kleen
2016-03-22 23:08 ` [PATCH 09/11] perf, tools, stat: Basic support for TopDown in perf stat Andi Kleen
2016-03-22 23:08 ` [PATCH 10/11] perf, tools, stat: Add computation of TopDown formulas Andi Kleen
2016-03-22 23:08 ` [PATCH 11/11] perf, tools, stat: Add extra output of counter values with -v Andi Kleen
2016-03-27 11:27 ` Jiri Olsa [this message]
2016-03-27 15:22   ` Add top down metrics to perf stat Andi Kleen
  -- strict thread matches above, loose matches on Subject: below --
2016-05-20  0:09 Andi Kleen
2016-05-14  1:44 Andi Kleen
2016-05-16 12:58 ` Jiri Olsa
2016-05-19 23:51   ` Andi Kleen
2016-05-20  9:59     ` Jiri Olsa
2016-05-20 14:18       ` Andi Kleen
2016-05-20 10:24 ` Jiri Olsa
2016-05-05 23:03 Andi Kleen
2016-05-12  7:47 ` Jiri Olsa
2016-04-27 20:00 Andi Kleen
2016-04-04 20:41 Andi Kleen
2016-01-20  2:27 Andi Kleen
2016-01-16  1:12 Andi Kleen
2015-08-08  1:06 Andi Kleen

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