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From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	linux-kernel@vger.kernel.org,
	Adrian Hunter <adrian.hunter@intel.com>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Borislav Petkov <bp@suse.de>, David Ahern <dsahern@gmail.com>,
	Davidlohr Bueso <dbueso@suse.de>,
	Deng-Cheng Zhu <dengcheng.zhu@gmail.com>,
	Don Zickus <dzickus@redhat.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Hemant Kumar <hemant@linux.vnet.ibm.com>,
	Jiri Olsa <jolsa@redhat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	"Naveen N . Rao" <naveen.n.rao@linux.vnet.ibm.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ralf Baechle <ralf@linux-mips.org>,
	Stephane Eranian <eranian@google.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [GIT PULL 00/30] perf/core improvements and fixes
Date: Mon, 11 May 2015 14:09:39 +0900	[thread overview]
Message-ID: <20150511050939.GA1630@sejong> (raw)
In-Reply-To: <1431118602-5877-1-git-send-email-acme@kernel.org>

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

  parent reply	other threads:[~2015-05-11  5:19 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-08 20:56 [GIT PULL 00/30] perf/core improvements and fixes Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 01/30] perf probe: Fix to close probe_events file in error Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 02/30] perf probe: Fix a typo for the flags of open Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 03/30] perf probe: Fix to return 0 when positive value returned Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 04/30] perf probe: Make --line checks validate C-style function name Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 05/30] perf probe: Skip kernel symbols which is out of .text Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 06/30] perf probe: Support $params special probe argument Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 07/30] perf tools: Move x86 barrier.h stuff to tools/arch/x86/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 08/30] perf tools: Move powerpc barrier.h stuff to tools/arch/powerpc/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 09/30] perf tools: Move s390 barrier.h stuff to tools/arch/s390/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 10/30] perf tools: Move barrier() definition to tools/include/linux/compiler.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 11/30] tools: Adopt asm-generic/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 12/30] perf tools: Move sh barrier.h stuff to tools/arch/sh/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 13/30] perf tools: Move sparc barrier.h stuff to tools/arch/sparc/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 14/30] perf tools: Move alpha barrier.h stuff to tools/arch/alpha/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 15/30] perf tools: Move ia64 barrier.h stuff to tools/arch/ia64/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 16/30] perf tools: Move arm(64) barrier.h stuff to tools/arch/arm*/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 17/30] perf tools: Move xtensa barrier.h stuff to tools/arch/xtensa/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 18/30] perf tools: Move mips barrier.h stuff to tools/arch/mips/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 19/30] perf tools: Move tile barrier.h stuff to tools/arch/tile/include/asm/barrier.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 20/30] perf tools: Move generic barriers out of perf-sys.h Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 21/30] tools include: Add basic atomic.h implementation from the kernel sources Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 22/30] perf tools: Use atomic_t to implement thread__{get,put} refcnt Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 23/30] perf machine: Protect the machine->threads with a rwlock Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 24/30] perf bench futex: Support parallel waker threads Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 25/30] perf bench futex: Handle spurious wakeups Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 26/30] perf probe: Use perf_probe_event.target instead of passing as an argument Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 27/30] perf probe: Introduce probe_conf global configs Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 28/30] perf probe: Add --no-inlines option to avoid searching inline functions Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 29/30] perf probe: Support glob wildcards for function name Arnaldo Carvalho de Melo
2015-05-08 20:56 ` [PATCH 30/30] perf build: Disable libdw DWARF unwind when built with NO_DWARF Arnaldo Carvalho de Melo
2015-05-09  6:22 ` [GIT PULL 00/30] perf/core improvements and fixes Ingo Molnar
2015-05-11  5:09 ` Namhyung Kim [this message]
2015-05-11 14:06   ` Arnaldo Carvalho de Melo
2015-05-14  8:23     ` Namhyung Kim
2015-05-14 13:18       ` Arnaldo Carvalho de Melo
2015-05-15  2:08         ` Namhyung Kim
2015-05-18 16:21           ` Arnaldo Carvalho de Melo
  -- strict thread matches above, loose matches on Subject: below --
2019-03-12  2:01 Arnaldo Carvalho de Melo
2017-06-30 22:24 Arnaldo Carvalho de Melo
2017-07-01  8:41 ` Ingo Molnar
2016-04-27 14:30 Arnaldo Carvalho de Melo
2016-04-27 15:03 ` Ingo Molnar
2012-09-24 15:59 Arnaldo Carvalho de Melo

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