* Jed Davis <j...@mozilla.com> wrote:
> 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 <j...@mozilla.com>
> ---
> arch/arm64/kernel/perf_event.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> index 1e49e5eb..9ba33c4 100644
> --- a/arch/arm64/kernel/perf_event.c
> +++ b/arch/arm64/kernel/perf_event.c
> @@ -1336,6 +1336,7 @@ void perf_callchain_user(struct perf_callchain_entry
> *entry,
> return;
> }
>
> + perf_callchain_store(entry, regs->pc);
> tail = (struct frame_tail __user *)regs->regs[29];
>
> while (entry->nr < PERF_MAX_STACK_DEPTH &&
Acked-by: Ingo Molnar <mi...@kernel.org>
I suspect this goes to v3.10 via the ARM64 tree?
Thanks,
Ingo
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