From mboxrd@z Thu Jan 1 00:00:00 1970 From: jld@mozilla.com (Jed Davis) Date: Wed, 19 Jun 2013 20:07:14 -0700 Subject: [PATCH] perf: arm64: Record the user-mode PC in the call chain. Message-ID: <20130620030713.GA27428@mozilla.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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 && -- 1.7.10.4