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Re: [PATCH 1/2] perf, x86: Use INST_RETIRED.TOTAL_CYCLES_PS for cycles:pp for Skylake

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] perf, x86: Use INST_RETIRED.TOTAL_CYCLES_PS for cycles:pp for Skylake
Date 2015-12-01 14:20 +0100
Message-ID <qAT0B-1GT-3@gated-at.bofh.it> (permalink)
References <qAGZs-2kK-3@gated-at.bofh.it>
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On Mon, Nov 30, 2015 at 04:28:08PM -0800, Andi Kleen wrote:
> +	/* INST_RETIRED.TOTAL_CYCLES_PS (inv=1, cmask=16) (cycles:p). */
> +	INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x01),

Hmm, so this event is still limited to a single counter. Better than
nothing I suppose.

Thanks!
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[PATCH 1/2] perf, x86: Use INST_RETIRED.TOTAL_CYCLES_PS for cycles:pp for Skylake Andi Kleen <andi@firstfloor.org> - 2015-12-01 01:30 +0100
  [PATCH 2/2] x86, perf: Use INST_RETIRED.PREC_DIST for cycles:ppp Andi Kleen <andi@firstfloor.org> - 2015-12-01 01:30 +0100
    Re: [PATCH 2/2] x86, perf: Use INST_RETIRED.PREC_DIST for cycles:ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-01 14:50 +0100
      Re: [PATCH 2/2] x86, perf: Use INST_RETIRED.PREC_DIST for cycles:ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-01 16:00 +0100
      Re: [PATCH 2/2] x86, perf: Use INST_RETIRED.PREC_DIST for cycles:ppp Andi Kleen <ak@linux.intel.com> - 2015-12-01 16:00 +0100
    [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-04 13:00 +0100
      Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Ingo Molnar <mingo@kernel.org> - 2015-12-06 14:20 +0100
        Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-06 23:10 +0100
          Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Ingo Molnar <mingo@kernel.org> - 2015-12-07 07:50 +0100
            Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-07 11:30 +0100
            Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-07 15:10 +0100
              Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-07 15:20 +0100
        Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-07 15:00 +0100
          Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Ingo Molnar <mingo@kernel.org> - 2015-12-08 06:40 +0100
            Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-08 10:00 +0100
              Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-08 14:30 +0100
                Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Ingo Molnar <mingo@kernel.org> - 2015-12-09 09:30 +0100
            Re: [tip:perf/core] perf/x86: Use INST_RETIRED.PREC_DIST for cycles:  ppp Peter Zijlstra <peterz@infradead.org> - 2015-12-08 10:00 +0100
  Re: [PATCH 1/2] perf, x86: Use INST_RETIRED.TOTAL_CYCLES_PS for  cycles:pp for Skylake Peter Zijlstra <peterz@infradead.org> - 2015-12-01 14:20 +0100
  [tip:perf/core] perf/x86:   Use INST_RETIRED.TOTAL_CYCLES_PS for cycles:pp for Skylake tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-04 13:00 +0100

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