linux-kernel - Re: [PATCH v5 16/18] perf: enable reading of perf.data files from different ABI rev

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Date:	Tue, 7 Feb 2012 12:52:21 -0200
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc:	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	robert.richter@....com, ming.m.lin@...el.com, andi@...stfloor.org,
	asharma@...com, ravitillo@....gov, vweaver1@...s.utk.edu,
	dsahern@...il.com
Subject: Re: [PATCH v5 16/18] perf: enable reading of perf.data files from
	different ABI rev

Em Tue, Feb 07, 2012 at 12:33:02PM +0530, Anshuman Khandual escreveu:
> On Monday 06 February 2012 11:52 PM, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Feb 02, 2012 at 01:54:46PM +0100, Stephane Eranian escreveu:
> >> This patch allows perf to process perf.data files generated
> >> using an ABI that has a different perf_event_attr struct size, i.e.,
> >> a different ABI version.

> > Anshuman, can I have your Acked-by or Reviewed-by since you spotted
> > problems in this and your suggestions were taken into account? Is this
> > OK now?

> (1) PERF_SAMPLE_BRANCH_HV and related privilege level problems has been fixed. 
>     Verified various combinations of <branch_type>,[u,k,hv] <event>:[u,k,h].
>     Works well in all privilege level permutations.
> 
> (2) As Peter has mentioned 'has_branch_smpl()' bug in the ARM code would be taken
>     care.
> 
> (3) 'ref_size' problem in try_all_pipe_abis() has been fixed. All the patches 
>     independently compile successfully.
> 
> (4) Went through the entire patchset, looks good to me. 
> 
> Acked-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
> Tested-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>

Thanks! But we'll now have to wait till Stephane addresses the points
made by David :-)

- Arnaldo
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