ARM64: perf: add support for frame pointer unwinding in compat mode

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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>

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Jean Pihet 2014-02-03 19:18:28 +01:00 • committed by Catalin Marinas

parent 2ee0d7fd36

commit 23c7d70d55

1 changed files with 67 additions and 8 deletions

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arch/arm64/kernel/perf_event.c

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