linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Michael Ellerman <michael@ellerman.id.au>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	robert.richter@amd.com, Anton Blanchard <anton@au1.ibm.com>,
	linux-kernel@vger.kernel.org,
	Stephane Eranian <eranian@google.com>,
	linuxppc-dev@ozlabs.org, Ingo Molnar <mingo@redhat.com>,
	Paul Mackerras <paulus@samba.org>,
	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	Jiri Olsa <jolsa@redhat.com>
Subject: Re: [PATCH 5/6][v4]: perf: Create a sysfs entry for Power event format
Date: Wed, 27 Feb 2013 12:17:25 +1100	[thread overview]
Message-ID: <20130227011725.GA5819@concordia> (raw)
In-Reply-To: <20130226200343.GA21543@us.ibm.com>

On Tue, Feb 26, 2013 at 12:03:43PM -0800, Sukadev Bhattiprolu wrote:
> Michael Ellerman [michael@ellerman.id.au] wrote:
> | On Tue, Jan 22, 2013 at 10:26:13PM -0800, Sukadev Bhattiprolu wrote:
> | > 
> | > [PATCH 5/6][v4]: perf: Create a sysfs entry for Power event format
> | > 
> | > Create a sysfs entry, '/sys/bus/event_source/devices/cpu/format/event'
> | > which describes the format of a POWER cpu.
> | 
> | Did this patch go upstream? I don't see it.
> 
> Hmm, patches 1..4,6 are in linux-tip and Arnaldo's trees but patch 5 is
> in neither.

I suspect Arnaldo was either waiting for an ACK from Ben, or was
expecting Ben to take it?

> | > The format of the event is the same for all POWER cpus at least in
> | > (Power6, Power7), so bulk of this change is common in the code common
> | > to POWER cpus.
> | 
> | No. The event format is different on most POWER cpus, in particular it
> | is different on Power6 and Power7, and will be different again on
> | Power8.
> 
> Sigh.  The port of this patchset to Power6 has not started yet.

It should hardly require a port, it's about five lines. But it doesn't
matter for now.
 
> But this patchset does work on Power7 correct ?

Yes, and without it the rest of the series is essentially useless. So I
guess it's better than nothing and we should get it in, we can fix it up
later to work across different chips.

Ben can you grab it, it's all arch/powerpc.

cheers

  reply	other threads:[~2013-02-27  1:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-23  6:22 [PATCH 0/6][v4]: perf: Make POWER7 events available in sysfs Sukadev Bhattiprolu
2013-01-23  6:23 ` [PATCH 1/6][v4]: perf/Power7: Use macros to identify perf events Sukadev Bhattiprolu
2013-01-23  6:24 ` [PATCH 2/6][v4]: perf: Make EVENT_ATTR global Sukadev Bhattiprolu
2013-01-23  6:24 ` [PATCH 3/6][v4]: perf/POWER7: Make generic event translations available in sysfs Sukadev Bhattiprolu
2013-01-23  6:25 ` [PATCH 4/6][v4]: perf/POWER7: Make some POWER7 events " Sukadev Bhattiprolu
2013-01-23  6:26 ` [PATCH 5/6][v4]: perf: Create a sysfs entry for Power event format Sukadev Bhattiprolu
2013-02-26  5:26   ` Michael Ellerman
2013-02-26 20:03     ` Sukadev Bhattiprolu
2013-02-27  1:17       ` Michael Ellerman [this message]
2013-03-06  5:48         ` Sukadev Bhattiprolu
2013-03-12  9:27           ` Paul Mackerras
2013-03-13  0:15             ` Michael Ellerman
2013-02-27  1:27   ` Michael Ellerman
2013-01-23  6:26 ` [PATCH 6/6][v4]: perf: Document the ABI of perf sysfs entries Sukadev Bhattiprolu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130227011725.GA5819@concordia \
    --to=michael@ellerman.id.au \
    --cc=a.p.zijlstra@chello.nl \
    --cc=acme@ghostprotocols.net \
    --cc=ak@linux.intel.com \
    --cc=anton@au1.ibm.com \
    --cc=eranian@google.com \
    --cc=jolsa@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=mingo@redhat.com \
    --cc=paulus@samba.org \
    --cc=robert.richter@amd.com \
    --cc=sukadev@linux.vnet.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).