linux-kernel - Re: [PATCH] perf/x86/uncore: fix SNB-EP/IVT Cbox filter mappings

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Date:	Thu, 10 Jul 2014 21:16:30 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	"Yan, Zheng" <zheng.z.yan@...el.com>
Subject: Re: [PATCH] perf/x86/uncore: fix SNB-EP/IVT Cbox filter mappings

On Mon, Jun 30, 2014 at 4:46 PM, Stephane Eranian <eranian@...gle.com> wrote:
>
> This patch fixes the SNB-EP and IVT Cbox filter mapping
> table. The table controls which filters are supported by
> which events. There were several mistakes in those tables
> causing some filters to be ignored, such as NID on
> TOR_INSERTS.
>
> Signed-off-by: Stephane Eranian <eranian@...gle.com>

Any comment on this patch?

> ---
>  arch/x86/kernel/cpu/perf_event_intel_uncore.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
> index 65bbbea..ae6552a 100644
> --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
> +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
> @@ -550,16 +550,16 @@ static struct extra_reg snbep_uncore_cbox_extra_regs[] = {
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4134, 0xffff, 0x6),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x0135, 0xffff, 0x8),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x0335, 0xffff, 0x8),
> -       SNBEP_CBO_EVENT_EXTRA_REG(0x4135, 0xffff, 0xc),
> -       SNBEP_CBO_EVENT_EXTRA_REG(0x4335, 0xffff, 0xc),
> +       SNBEP_CBO_EVENT_EXTRA_REG(0x4135, 0xffff, 0xa),
> +       SNBEP_CBO_EVENT_EXTRA_REG(0x4335, 0xffff, 0xa),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4435, 0xffff, 0x2),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4835, 0xffff, 0x2),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4a35, 0xffff, 0x2),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x5035, 0xffff, 0x2),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x0136, 0xffff, 0x8),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x0336, 0xffff, 0x8),
> -       SNBEP_CBO_EVENT_EXTRA_REG(0x4136, 0xffff, 0xc),
> -       SNBEP_CBO_EVENT_EXTRA_REG(0x4336, 0xffff, 0xc),
> +       SNBEP_CBO_EVENT_EXTRA_REG(0x4136, 0xffff, 0xa),
> +       SNBEP_CBO_EVENT_EXTRA_REG(0x4336, 0xffff, 0xa),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4436, 0xffff, 0x2),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4836, 0xffff, 0x2),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4a36, 0xffff, 0x2),
> @@ -1222,6 +1222,7 @@ static struct extra_reg ivt_uncore_cbox_extra_regs[] = {
>         SNBEP_CBO_EVENT_EXTRA_REG(SNBEP_CBO_PMON_CTL_TID_EN,
>                                   SNBEP_CBO_PMON_CTL_TID_EN, 0x1),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x1031, 0x10ff, 0x2),
> +
>         SNBEP_CBO_EVENT_EXTRA_REG(0x1134, 0xffff, 0x4),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4134, 0xffff, 0xc),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x5134, 0xffff, 0xc),
> @@ -1245,7 +1246,7 @@ static struct extra_reg ivt_uncore_cbox_extra_regs[] = {
>         SNBEP_CBO_EVENT_EXTRA_REG(0x8335, 0xffff, 0x10),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x0136, 0xffff, 0x10),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x0336, 0xffff, 0x10),
> -       SNBEP_CBO_EVENT_EXTRA_REG(0x2336, 0xffff, 0x10),
> +       SNBEP_CBO_EVENT_EXTRA_REG(0x2136, 0xffff, 0x10),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x2336, 0xffff, 0x10),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4136, 0xffff, 0x18),
>         SNBEP_CBO_EVENT_EXTRA_REG(0x4336, 0xffff, 0x18),
> --
> 1.8.3.2
>
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