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SubjectRe: [GIT PULL 00/30] perf/core improvements and fixes
Hi Arnaldo,

On Fri, May 08, 2015 at 05:56:12PM -0300, Arnaldo Carvalho de Melo wrote:
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
>
>
> The following changes since commit cb307113746b4d184155d2c412e8069aeaa60d42:
>
> perf_event: Don't allow vmalloc() backed perf on powerpc (2015-05-08 12:26:01 +0200)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo
>
> for you to fetch changes up to 76d408498b08447e0f61dfdd611aeb6e8e61ce80:
>
> perf build: Disable libdw DWARF unwind when built with NO_DWARF (2015-05-08 16:43:14 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> User visible:
>
> - 'perf probe' improvements (Masami Hiramatsu)
>
> - Support glob wildcards for function name
> - Support $params special probe argument: Collect all function arguments
> - Make --line checks validate C-style function name.
> - Add --no-inlines option to avoid searching inline functions
>
> - Introduce new 'perf bench futex' benchmark: 'wake-parallel', to
> measure parallel waker threads generating contention for kerne
> locks (hb->lock) (Davidlohr Bueso)
>
> Bug fixes:
>
> - 'perf top' survives much longer on high core count machines, more work
> needed to refcount more data structures besides 'struct thread' and fix
> more races (Arnaldo Carvalho de Melo)

I'm seeing a segfault on 'perf report' with a large data file after
applying thread refcount change - it happens regardless of the atomic
operation.

Thanks,
Namhyung


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