On Mon, Jan 13, 2014 at 05:04:17PM -0800, Andi Kleen wrote:
> From: Andi Kleen <[email protected]>
SNIP
>
> int machine__init(struct machine *machine, const char *root_dir, pid_t pid)
> {
> @@ -1248,9 +1249,98 @@ struct branch_info *machine__resolve_bstack(struct
> machine *machine,
> return bi;
> }
>
> +static int add_callchain_ip(struct machine *machine,
> + struct thread *thread,
> + struct symbol **parent,
> + struct addr_location *root_al,
> + int cpumode,
> + u64 ip)
> +{
> + struct addr_location al;
> +
> + al.filtered = false;
> + al.sym = NULL;
> + if (cpumode == -1) {
> + int i;
> +
> + for (i = 0; i < (int)NCPUMODES && !al.sym; i++) {
> + /*
> + * We cannot use the header.misc hint to determine
> whether a
> + * branch stack address is user, kernel, guest,
> hypervisor.
> + * Branches may straddle the kernel/user/hypervisor
> boundaries.
> + * Thus, we have to try consecutively until we find a
> match
> + * or else, the symbol is unknown
> + */
> + thread__find_addr_location(thread, machine, cpumodes[i],
> + MAP__FUNCTION,
> + ip, &al);
> + }
above code is already in ip__resolve_ams, maybe we could add put this
into separate function like 'thread__find_addr_location_cpumodes'
jirka
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