| Message ID | 1372198807-19227-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index f7073c7..0256b68 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1331,6 +1331,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry, { struct frame_tail __user *tail; + perf_callchain_store(entry, regs->pc); tail = (struct frame_tail __user *)regs->regs[29]; while (entry->nr < PERF_MAX_STACK_DEPTH &&
This is a note to let you know that I have just added a patch titled perf: arm64: Record the user-mode PC in the call chain. to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue This patch is scheduled to be released in version 3.8.13.4. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.8.y.z tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From 06f3ad7d868b6e88dcd2df90a90f9eb9d1eec1a2 Mon Sep 17 00:00:00 2001 From: Jed Davis <jld@mozilla.com> Date: Thu, 20 Jun 2013 04:07:14 +0100 Subject: 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> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> [ kamal: backport to 3.8 (context) ] Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- arch/arm64/kernel/perf_event.c | 1 + 1 file changed, 1 insertion(+) -- 1.8.1.2