linux-kernel - [PATCH 0/3] ARM: perf: allow tracing with kernel tracepoints events

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Message-Id: <1403881067-22690-1-git-send-email-jean.pihet@linaro.org>
Date:	Fri, 27 Jun 2014 16:57:44 +0200
From:	Jean Pihet <jean.pihet@...aro.org>
To:	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org,
	linaro-kernel@...ts.linaro.org,
	Sneha Priya <sneha.cse@...mail.com>,
	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>
Cc:	Jean Pihet <jean.pihet@...aro.org>
Subject: [PATCH 0/3] ARM: perf: allow tracing with kernel tracepoints events

- Robustify the user backtrace code, as done on other architectures.
- Provide the symbols resolution when triggering from tracepoints.

Tested with perf record and tracepoints triggering (-e <tracepoint>), with
unwinding using fp (--call-graph fp) and dwarf info (--call-graph dwarf).


Jean Pihet (3):
  ARM: perf: Check that current->mm is alive before getting user
    callchain
  ARM: perf: disable the pagefault handler when reading from user space
  ARM: perf: allow tracing with kernel tracepoints events

 arch/arm/include/asm/perf_event.h | 19 +++++++++++++++++++
 arch/arm/kernel/perf_event.c      | 13 +++++++++++--
 2 files changed, 30 insertions(+), 2 deletions(-)

-- 
1.8.1.2

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