Re: [PATCH 4/9] perf/x86: add cross-HT counter exclusion infrastructure

From: Peter Zijlstra
Date: Thu Jun 05 2014 - 04:04:33 EST


On Wed, Jun 04, 2014 at 11:34:13PM +0200, Stephane Eranian wrote:
> @@ -499,6 +530,7 @@ do { \
> */
> #define PMU_FL_NO_HT_SHARING 0x1 /* no hyper-threading resource sharing */
> #define PMU_FL_HAS_RSP_1 0x2 /* has 2 equivalent offcore_rsp regs */
> +#define PMU_FL_EXCL_CNTRS 0x4 /* has exclusive counter requirements */

the EXLC thing is HT specific too, right? How about HT_EXCL or so?


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