2013-03-12 13:02:26

by Stephane Eranian

[permalink] [raw]
Subject: Re: Basic perf PMU support for Haswell v6

Hi,

I am not seeing those patches in tip.git tree as of today.
What is still wrong with those patches? I think they
are good for providing the basic enablement for HSW.


On Tue, Feb 12, 2013 at 11:04 PM, Andi Kleen <[email protected]> wrote:
>
> This is based on v7 of the full Haswell PMU support, but
> ported to the latest perf/core and stripped down to the
> bare bones
>
> Only for very extremly basic usage.
>
> Most interesting new features are not in this patchkit
> (full version is git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git hsw/pmu5)
>
> Contains support for:
> - Basic Haswell PMU and PEBS support
> - Late unmasking of the PMI
> - Support for wide counters
>
> v2: Addressed Stephane's feedback. See individual patches for details.
> v3: now even more bite-sized. Qualifier constraints merged earlier.
> v4: Rename some variables, add some comments and other minor changes.
> Add some Reviewed/Tested-bys.
> v5: Address some minor review feedback. Port to latest perf/core
> v6: Add just some variable names, add comments, edit descriptions, some
> more testing, rebased to latest perf/core
>
> -Andi


2013-03-12 13:58:10

by Ingo Molnar

[permalink] [raw]
Subject: Re: Basic perf PMU support for Haswell v6


* Stephane Eranian <[email protected]> wrote:

> Hi,
>
> I am not seeing those patches in tip.git tree as of today.
> What is still wrong with those patches? I think they
> are good for providing the basic enablement for HSW.

There were still problems with them so they didn't make it
into v3.9 - now that the development window is open I'll check
the latest iteration (v9), in a couple of days.

Thanks,

Ingo

2013-03-12 14:13:04

by Stephane Eranian

[permalink] [raw]
Subject: Re: Basic perf PMU support for Haswell v6

On Tue, Mar 12, 2013 at 2:58 PM, Ingo Molnar <[email protected]> wrote:
>
> * Stephane Eranian <[email protected]> wrote:
>
>> Hi,
>>
>> I am not seeing those patches in tip.git tree as of today.
>> What is still wrong with those patches? I think they
>> are good for providing the basic enablement for HSW.
>
> There were still problems with them so they didn't make it
> into v3.9 - now that the development window is open I'll check
> the latest iteration (v9), in a couple of days.
>
Ok, then. We need to move forward with HSW now.
Thanks.