linux-kernel - Re: [RESEND PATCH V3 2/8] perf/x86/intel: Basic support for metrics counters

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Message-ID: <20190828085217.GD2369@hirez.programming.kicks-ass.net>
Date:   Wed, 28 Aug 2019 10:52:17 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     kan.liang@...ux.intel.com
Cc:     acme@...nel.org, mingo@...hat.com, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, jolsa@...nel.org, eranian@...gle.com,
        alexander.shishkin@...ux.intel.com, ak@...ux.intel.com
Subject: Re: [RESEND PATCH V3 2/8] perf/x86/intel: Basic support for metrics
 counters

On Mon, Aug 26, 2019 at 07:47:34AM -0700, kan.liang@...ux.intel.com wrote:
> +#define INTEL_PMC_IDX_FIXED_METRIC_BASE		(INTEL_PMC_IDX_FIXED + 16)
> +#define INTEL_PMC_IDX_TD_RETIRING		(INTEL_PMC_IDX_FIXED_METRIC_BASE + 0)
> +#define INTEL_PMC_IDX_TD_BAD_SPEC		(INTEL_PMC_IDX_FIXED_METRIC_BASE + 1)
> +#define INTEL_PMC_IDX_TD_FE_BOUND		(INTEL_PMC_IDX_FIXED_METRIC_BASE + 2)
> +#define INTEL_PMC_IDX_TD_BE_BOUND		(INTEL_PMC_IDX_FIXED_METRIC_BASE + 3)
> +#define INTEL_PMC_MSK_TOPDOWN			((0xfull << INTEL_PMC_IDX_FIXED_METRIC_BASE) | \
> +						 INTEL_PMC_MSK_FIXED_SLOTS)

> +
> +#define INTEL_PMC_CLEAR_TOPDOWN_BIT(bit)	(~(0x1ull << bit) & INTEL_PMC_MSK_TOPDOWN)

That thing is a clear misnomer; it is OTHER_TOPDOWN_BITS(). Fixed that
too.