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From: Peter Zijlstra <peterz@infradead.org>
To: kan.liang@linux.intel.com
Cc: acme@kernel.org, mingo@redhat.com, linux-kernel@vger.kernel.org,
	tglx@linutronix.de, jolsa@kernel.org, eranian@google.com,
	alexander.shishkin@linux.intel.com, ak@linux.intel.com
Subject: Re: [PATCH V2 06/23] perf/x86: Support constraint ranges
Date: Thu, 21 Mar 2019 22:09:42 +0100	[thread overview]
Message-ID: <20190321210942.GA7905@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20190321205703.4256-7-kan.liang@linux.intel.com>

On Thu, Mar 21, 2019 at 01:56:46PM -0700, kan.liang@linux.intel.com wrote:
> From: Andi Kleen <ak@linux.intel.com>

That might be a stretch at this point...


> @@ -263,18 +268,25 @@ struct cpu_hw_events {
>  	void				*kfree_on_online[X86_PERF_KFREE_MAX];
>  };
>  
> -#define __EVENT_CONSTRAINT(c, n, m, w, o, f) {\
> +#define __EVENT_CONSTRAINT_RANGE(c, e, n, m, w, o, f) {	\
>  	{ .idxmsk64 = (n) },		\
>  	.code = (c),			\
> +	.size = (e) - (c),		\
>  	.cmask = (m),			\
>  	.weight = (w),			\
>  	.overlap = (o),			\
>  	.flags = f,			\
>  }
>  
> +#define __EVENT_CONSTRAINT(c, n, m, w, o, f) \
> +	__EVENT_CONSTRAINT_RANGE(c, c, n, m, w, o, f)
> +
>  #define EVENT_CONSTRAINT(c, n, m)	\
>  	__EVENT_CONSTRAINT(c, n, m, HWEIGHT(n), 0, 0)
>  
> +#define EVENT_CONSTRAINT_RANGE(c, e, n, m) \
> +	__EVENT_CONSTRAINT_RANGE(c, e, n, m, HWEIGHT(n), 0, 0)
> +

^ that one needs a comment that it doesn't work for AMD events.

>  #define INTEL_EXCLEVT_CONSTRAINT(c, n)	\
>  	__EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT, HWEIGHT(n),\
>  			   0, PERF_X86_EVENT_EXCL)

  reply	other threads:[~2019-03-21 21:09 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-21 20:56 [PATCH V2 00/23] perf: Add Icelake support kan.liang
2019-03-21 20:56 ` [PATCH V2 01/23] perf/x86: Support outputting XMM registers kan.liang
2019-03-21 20:56 ` [PATCH V2 02/23] perf/x86/intel: Extract memory code PEBS parser for reuse kan.liang
2019-03-21 20:56 ` [PATCH V2 03/23] perf/x86/intel/ds: Extract code of event update in short period kan.liang
2019-03-21 20:56 ` [PATCH V2 04/23] perf/x86/intel: Support adaptive PEBSv4 kan.liang
2019-03-21 21:13   ` Peter Zijlstra
2019-03-21 21:17   ` Peter Zijlstra
2019-03-21 21:20   ` Peter Zijlstra
2019-03-22  0:40     ` Liang, Kan
2019-03-22 12:30       ` Peter Zijlstra
2019-03-21 20:56 ` [PATCH V2 05/23] perf/x86/lbr: Avoid reading the LBRs when adaptive PEBS handles them kan.liang
2019-03-21 20:56 ` [PATCH V2 06/23] perf/x86: Support constraint ranges kan.liang
2019-03-21 21:09   ` Peter Zijlstra [this message]
2019-03-21 20:56 ` [PATCH V2 07/23] perf/x86/intel: Add Icelake support kan.liang
2019-03-21 20:56 ` [PATCH V2 08/23] perf/x86/intel/cstate: " kan.liang
2019-03-21 20:56 ` [PATCH V2 09/23] perf/x86/intel/rapl: " kan.liang
2019-03-21 20:56 ` [PATCH V2 10/23] perf/x86/msr: " kan.liang
2019-03-21 20:56 ` [PATCH V2 11/23] perf/x86/intel/uncore: Add Intel Icelake uncore support kan.liang
2019-03-21 20:56 ` [PATCH V2 12/23] perf/core: Support a REMOVE transaction kan.liang
2019-03-21 20:56 ` [PATCH V2 13/23] perf/x86/intel: Basic support for metrics counters kan.liang
2019-03-21 20:56 ` [PATCH V2 14/23] perf/x86/intel: Support overflows on SLOTS kan.liang
2019-03-21 20:56 ` [PATCH V2 15/23] perf/x86/intel: Support hardware TopDown metrics kan.liang
2019-03-21 20:56 ` [PATCH V2 16/23] perf/x86/intel: Set correct weight for topdown subevent counters kan.liang
2019-03-21 20:56 ` [PATCH V2 17/23] perf/x86/intel: Export new top down events for Icelake kan.liang
2019-03-21 20:56 ` [PATCH V2 18/23] perf/x86/intel: Disable sampling read slots and topdown kan.liang
2019-03-21 20:56 ` [PATCH V2 19/23] perf/x86/intel: Support CPUID 10.ECX to disable fixed counters kan.liang
2019-03-21 20:57 ` [PATCH V2 20/23] perf, tools: Add support for recording and printing XMM registers kan.liang
2019-03-21 20:57 ` [PATCH V2 21/23] perf, tools, stat: Support new per thread TopDown metrics kan.liang
2019-03-21 20:57 ` [PATCH V2 22/23] perf, tools: Add documentation for topdown metrics kan.liang
2019-03-21 20:57 ` [PATCH V2 23/23] perf vendor events intel: Add JSON files for Icelake kan.liang

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