linux-kernel - Re: [PATCH 3/4] tile/perf: Support perf

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Date:	Thu, 6 Mar 2014 10:06:55 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tony Lu <zlu@...era.com>
Cc:	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Chris Metcalf <cmetcalf@...era.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] tile/perf: Support perf_events on tilegx and tilepro

On Thu, Mar 06, 2014 at 06:26:11AM +0000, Tony Lu wrote:
> +static const int tile_cache_event_map[PERF_COUNT_HW_CACHE_MAX]
> +                                    [PERF_COUNT_HW_CACHE_OP_MAX]
> +                                    [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
> +[C(L1D)] = {
> +       [C(OP_READ)] = {
> +               [C(RESULT_ACCESS)] = TILE_OP_UNSUPP,
> +               [C(RESULT_MISS)] = 0x21, /* RD_MISS */
> +       },
> +       [C(OP_WRITE)] = {
> +               [C(RESULT_ACCESS)] = 0x22, /* WR_MISS */
> +               [C(RESULT_MISS)] = TILE_OP_UNSUPP,
> +       },

If that's the wr_miss event as the comment says, it should probably be
listed one down.
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