Messages in this thread | | | Date | Mon, 11 May 2015 14:09:39 +0900 | From | Namhyung Kim <> | Subject | Re: [GIT PULL 00/30] perf/core improvements and fixes |
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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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