Re: [RESEND] [PATCH] perf/x86/intel/uncore: Use boot_cpu_data.phys_proc_id instead of hardcorded phy id 0

From: Thomas Gleixner
Date: Thu Sep 20 2018 - 16:55:59 EST


On Mon, 10 Sep 2018, Masayoshi Mizuma wrote:

CC+ Kan

> From: Masayoshi Mizuma <m.mizuma@xxxxxxxxxxxxxx>
>
> Physical package id 0 is not always exists. We should use
> boot_cpu_data.phys_proc_id here.
>
> Signed-off-by: Masayoshi Mizuma <m.mizuma@xxxxxxxxxxxxxx>
> ---
> arch/x86/events/intel/uncore_snbep.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
> index 51d7c11..53b981d 100644
> --- a/arch/x86/events/intel/uncore_snbep.c
> +++ b/arch/x86/events/intel/uncore_snbep.c
> @@ -3061,7 +3061,7 @@ static struct event_constraint bdx_uncore_pcu_constraints[] = {
>
> void bdx_uncore_cpu_init(void)
> {
> - int pkg = topology_phys_to_logical_pkg(0);
> + int pkg = topology_phys_to_logical_pkg(boot_cpu_data.phys_proc_id);

Looks correct.

> if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
> bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
> --
> 2.18.0
>
>