Re: event group without multiplexing

[Andi Kleen <ak@linux.intel.com>]

On Mon, Nov 16, 2015 at 10:03:28PM -0500, Yuanfang Chen wrote:
> Is this ok?

Sorry for the delay. The patch looks good to me. You may need
to resend to peterz@infradead.org linux-kernel@vger.kernel.org

Reviewed-by: Andi Kleen <ak@linux.intel.com>

> 
> 
> From 47d52ccfae56a8eb702fee6ccf327780265df2cf Mon Sep 17 00:00:00 2001
> From: Yuanfang Chen <cheny@udel.edu>
> Date: Mon, 16 Nov 2015 21:53:53 -0500
> Subject: [PATCH 1/1] perf/x86/intel: make L1D_PEND_MISS.FB_FULL not
>  constrained on haswell
> 
> Signed-off-by: Yuanfang Chen <cheny@udel.edu>
> ---
>  arch/x86/kernel/cpu/perf_event_intel.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kernel/cpu/perf_event_intel.c
> b/arch/x86/kernel/cpu/perf_event_intel.c
> index f63360b..e2a4300 100644
> --- a/arch/x86/kernel/cpu/perf_event_intel.c
> +++ b/arch/x86/kernel/cpu/perf_event_intel.c
> @@ -232,7 +232,7 @@ static struct event_constraint
> intel_hsw_event_constraints[] = {
>   FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
>   FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
>   FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
> - INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.* */
> + INTEL_UEVENT_CONSTRAINT(0x148, 0x4),  /* L1D_PEND_MISS.PENDING */