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SubjectRe: [PATCH 0/6] perf tools: Share map groups within process
On Tue, Mar 18, 2014 at 03:46:50PM +0100, Jiri Olsa wrote:
> hi,
> this patchset moves thread's map_groups to be dynamically
> allocated and shared within process threads.
>
> The main benefit would be to be able to look up memory
> map from any thread that belongs to the process.
>
> This implements one of the solution ideas for issue
> described by Don in following thread:
> http://marc.info/?l=linux-kernel&m=139403876017159&w=2
>
> RFC changes:
> - added automated test for thread map groups get/put methods
> - fix reference count for case described by Namhyung
> - rename the mmap-events.c test to mmap-thread-lookup.c
> - added PROT_EXEC to mmap call in tests/mmap-thread-lookup.c
> as it's not implied by default on all archs (Namhyung)
> - lazy mg allocation in thread__find_addr_map (Namhyung)
> - fix compilation failures (Arnaldo)
>
> also available in here:
> git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
> perf/core_mmaps

Arnaldo,
I rebased this to your latest perf/core

thanks,
jirka


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