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Date: Sat, 14 Apr 2012 12:24:58 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Robert Richter <robert.richter@....com>
Cc: Ingo Molnar <mingo@...e.hu>, Stephane Eranian <eranian@...gle.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/12] perf/x86-ibs: Precise event sampling with IBS for
AMD CPUs
On Mon, 2012-04-02 at 20:19 +0200, Robert Richter wrote:
> + switch (event->attr.type) {
> + case PERF_TYPE_HARDWARE:
> + switch (event->attr.config) {
> + case PERF_COUNT_HW_CPU_CYCLES:
> + *config = 0;
> + return 0;
> + }
> + break;
> + case PERF_TYPE_RAW:
> + switch (event->attr.config) {
> + case 0x0076:
> + *config = 0;
> + return 0;
> + case 0x00C1:
> + *config = IBS_OP_CNT_CTL;
> + return 0;
> + }
> + break;
> + default:
> + return -ENOENT;
> + }
Another option would be to do this from amd_pmu_hw_config() after you've
already gotten rid of the whole attr.type thing.
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