linux-kernel - Re: [GIT PULL 0/3] perf/urgent fixes

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Date:	Thu, 4 Feb 2016 08:56:11 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Hemant Kumar <hemant@...ux.vnet.ibm.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Mark Wielaard <mjw@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	"Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Tong Zhang <ztong@...edu>, Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 0/3] perf/urgent fixes


* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit 28fb8a5b6e233fc384fb27f9f91f811b40ba9cf8:
> 
>   Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2016-01-30 09:15:49 +0100)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-urgent-for-mingo
> 
> for you to fetch changes up to 270bde1e76f400d81f8d0ab68905a18ee17fa2e8:
> 
>   perf probe: Search both .eh_frame and .debug_frame sections for probe location (2016-02-02 13:30:16 -0300)
> 
> ----------------------------------------------------------------
> perf/urgent fixes:
> 
> - tracepoint_error() can receive e=NULL, robustify it, fixes a problem noticed
>   with a very specific combination: Machine with Intel PT (e.g. Broadwell),
>   kernel with no perf_event_attr.context_switch feature (e.g. 4.2) and unreadable
>   tracefs (for instance !root users), making the fallback from
>   perf_event_attr.context_switch to the sched:sched_switch tracepoint to fail
>   reading its info from tracefs, fix it. (Adrian Hunter)
> 
> - Fix segfault in intel pt, by making it follow the 'struct thread' lifetime cycle
>   checking expectations, noticed for instance, when processing perf.data files with
>   Intel PT data using 'perf script' and when exiting 'perf report' (Adrian Hunter)
> 
> - Fix CFI usage from .eh_frame and .debug_frame, which sometimes requires that we
>   fallback from .eh_frame to .debug_frame in architectures such as PowerPC (Hemant Kumar)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Adrian Hunter (2):
>       perf tools: tracepoint_error() can receive e=NULL, robustify it
>       perf tools: Fix thread lifetime related segfaut in intel_pt
> 
> Hemant Kumar (1):
>       perf probe: Search both .eh_frame and .debug_frame sections for probe location
> 
>  tools/perf/util/intel-pt.c     |  9 ++++++
>  tools/perf/util/parse-events.c |  3 ++
>  tools/perf/util/probe-finder.c | 62 +++++++++++++++++++++++++-----------------
>  tools/perf/util/probe-finder.h |  5 +++-
>  4 files changed, 53 insertions(+), 26 deletions(-)

Pulled, thanks a lot Arnaldo!

	Ingo