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ARM64: perf: add support for frame pointer unwinding in compat mode
authorJean Pihet <jean.pihet@linaro.org>
Mon, 3 Feb 2014 18:18:28 +0000 (19:18 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 13 Mar 2014 11:22:38 +0000 (11:22 +0000)
commit23c7d70d55c6d963f225744cd1b996dee68c88d1
treedc570dd03bd458ffa5ae6c22c1b585dac9c05d19tree | snapshot (tar.gz zip)
parent2ee0d7fd36a3f87bc5b29b1ec54ad6728deedb41commit | diff
ARM64: perf: add support for frame pointer unwinding in compat mode

When profiling a 32-bit application, user space callchain unwinding
using the frame pointer is performed in compat mode. The code is taken
over from the AARCH32 code and adapted to work on AARCH64.

Signed-off-by: Jean Pihet <jean.pihet@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/perf_event.c diff | blob | blame | history