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Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods

From Thomas Gleixner <tglx@linutronix.de>
Newsgroups linux.kernel
Subject Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods
Date 2017-07-17 22:00 +0200
Message-ID <u4klr-SQ-5@gated-at.bofh.it> (permalink)
References (7 earlier) <u3bay-5vu-17@gated-at.bofh.it> <u3bke-5Oq-9@gated-at.bofh.it> <u3bDA-5W4-11@gated-at.bofh.it> <u4jSq-Gx-31@gated-at.bofh.it> <u4kbN-Pt-51@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, 17 Jul 2017, Arjan van de Ven wrote:
> On 7/17/2017 12:23 PM, Peter Zijlstra wrote:
> > Of course, this all assumes a Gaussian distribution to begin with, if we
> > get bimodal (or worse) distributions we can still get it wrong. To fix
> > that, we'd need to do something better than what we currently have.
> > 
> 
> fwiw some time ago I made a chart for predicted vs actual so you can sort
> of judge the distribution of things visually

Predicted by what?

Thanks,

	tglx

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[RFC PATCH v1 00/11] Create fast idle path for short idle periods Aubrey Li <aubrey.li@intel.com> - 2017-07-10 03:50 +0200
  [RFC PATCH v1 04/11] sched/idle: make the fast idle path for short idle periods Aubrey Li <aubrey.li@intel.com> - 2017-07-10 03:50 +0200
    Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-11 15:00 +0200
      Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods Frederic Weisbecker <fweisbec@gmail.com> - 2017-07-11 18:40 +0200
        Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-11 20:20 +0200
          Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-12 05:30 +0200
            Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 07:10 +0200
              Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-12 07:30 +0200
        Re: [RFC PATCH v1 04/11] sched/idle: make the fast idle path for  short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 14:30 +0200
  [RFC PATCH v1 05/11] cpuidle: update idle statistics before cpuidle governor Aubrey Li <aubrey.li@intel.com> - 2017-07-10 03:50 +0200
  [RFC PATCH v1 08/11] cpuidle: menu: remove reduplicative implementation Aubrey Li <aubrey.li@intel.com> - 2017-07-10 04:00 +0200
  [RFC PATCH v1 07/11] cpuidle: make idle residency update more generic Aubrey Li <aubrey.li@intel.com> - 2017-07-10 04:00 +0200
  [RFC PATCH v1 03/11] cpuidle: introduce cpuidle governor for idle prediction Aubrey Li <aubrey.li@intel.com> - 2017-07-10 04:00 +0200
    Re: [RFC PATCH v1 03/11] cpuidle: introduce cpuidle governor for  idle prediction Peter Zijlstra <peterz@infradead.org> - 2017-07-12 14:20 +0200
  [RFC PATCH v1 09/11] cpuidle: menu: feed cpuidle prediction to menu governor Aubrey Li <aubrey.li@intel.com> - 2017-07-10 04:00 +0200
  Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-10 10:50 +0200
    Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Wanpeng Li <kernellwp@gmail.com> - 2017-07-10 11:40 +0200
    Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-10 16:00 +0200
    Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-10 16:50 +0200
      Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-10 18:50 +0200
        Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-10 19:30 +0200
          Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-11 06:50 +0200
            Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-11 11:50 +0200
              Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Frederic Weisbecker <fweisbec@gmail.com> - 2017-07-11 18:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-11 18:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-11 20:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 14:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 18:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 19:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 21:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 21:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 14:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 18:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 19:20 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 20:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 21:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-12 20:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-13 10:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-12 06:20 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 10:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-12 23:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-13 10:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-13 16:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-13 17:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-13 17:20 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-13 20:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-14 06:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-14 17:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-14 18:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-14 18:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-17 11:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-17 15:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-14 18:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-14 18:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-14 18:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-17 21:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Arjan van de Ven <arjan@linux.intel.com> - 2017-07-17 21:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Thomas Gleixner <tglx@linutronix.de> - 2017-07-17 21:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Arjan van de Ven <arjan@linux.intel.com> - 2017-07-17 22:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Thomas Gleixner <tglx@linutronix.de> - 2017-07-17 22:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Arjan van de Ven <arjan@linux.intel.com> - 2017-07-17 21:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Thomas Gleixner <tglx@linutronix.de> - 2017-07-17 22:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Arjan van de Ven <arjan@linux.intel.com> - 2017-07-17 22:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-18 05:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-18 05:20 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-18 06:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Thomas Gleixner <tglx@linutronix.de> - 2017-07-18 08:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Andi Kleen <ak@linux.intel.com> - 2017-07-18 09:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Thomas Gleixner <tglx@linutronix.de> - 2017-07-18 09:20 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Thomas Gleixner <tglx@linutronix.de> - 2017-07-18 09:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-18 09:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Arjan van de Ven <arjan@linux.intel.com> - 2017-07-14 18:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-13 17:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-14 05:50 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-07-14 06:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-17 15:30 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-17 16:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-17 16:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 14:20 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle  periods Christoph Lameter <cl@linux.com> - 2017-07-11 20:00 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-12 04:10 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods "Li, Aubrey" <aubrey.li@linux.intel.com> - 2017-07-12 04:40 +0200
                Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-12 20:20 +0200
          Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods Peter Zijlstra <peterz@infradead.org> - 2017-07-11 11:10 +0200

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