On 19.03.2014 15:30, Jiri Olsa wrote:
> On Wed, Mar 19, 2014 at 09:19:45AM -0400, Don Zickus wrote:
>> On Wed, Mar 19, 2014 at 09:13:38AM +0200, Adrian Hunter wrote:
>>> On 18.03.2014 23:25, Arnaldo Carvalho de Melo wrote:
>>>> From: Don Zickus <dzic...@redhat.com>
>>>>
>>>> Now that we can properly synthesize threads system-wide, make sure the
>>>> mmap and mmap2 events use tids instead of pids to locate their maps.
>>>
>>> This is a good change but it cannot go yet because it is dependent on Jiri's
>>> "perf tools: Share map groups within process" series.
>>
>> No it isn't. :-) Commit bfd66cc71a3f831ba7c2116d79416cfb8883f6cf is the
>> reason why.  It synthesizes thread events to make this work correctly.
> 
> ok, I haven't realized this one was pulled in as well ;-)
> it's ok then..

No, you mustn't split up the maps between threads.  We currently assume
CLONE_VM is always used to create threads.

> 
> Arnaldo, I'll rebase the perf/core_mmaps (shared map groups) to your
> latest perf/core
> 
> jirka
> 
> 

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