perf: arm64: Record the user-mode PC in the call chain.
authorJed Davis <jld@mozilla.com>
Thu, 20 Jun 2013 03:07:14 +0000 (04:07 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 20 Jun 2013 09:16:39 +0000 (10:16 +0100)
commitabc41254181e901ef5eda2c884ca6cd88a186b6d
treead5dbd9c1adf10bafd4b172c75e5014c863b6df2
parent7d132055814ef17a6c7b69f342244c410a5e000f
perf: arm64: Record the user-mode PC in the call chain.

With this change, we no longer lose the innermost entry in the user-mode
part of the call chain.  See also the x86 port, which includes the ip,
and the corresponding change in arch/arm.

Signed-off-by: Jed Davis <jld@mozilla.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/perf_event.c