How does the watt-hour result compare to before the patch? Thanks, Jesse
On Mon, 25 Feb 2013 07:33:38 +0000 "Zhang, Ouping" <ouping.zh...@intel.com> wrote: > running video workload, video avg watt = 38.4 and watt-hour = 6.9 > cat /sys/class/drm/card0/power/rc6_residency_ms > cat /sys/class/drm/card0/power/rc6p_residency_ms > rc6_residency_ms increase from 6708 to 483627 > rc6p_residency_ms increase from 410092 to 423378 > > -----Original Message----- > From: Jesse Barnes [mailto:jbar...@virtuousgeek.org] > Sent: Friday, February 22, 2013 12:50 AM > To: Zhang, Ouping > Cc: Stéphane Marchesin; intel-gfx@lists.freedesktop.org > Subject: Re: [Intel-gfx] [PATCH] drm/i915: Increase the RC6p threshold. > > You have to modify the kernel to make the change Stephane suggested, then > measure the energy consumption across your workloads. I'd expect the > residency to change, but I'm ultimately concerned with the energy used. > > Jesse > > On Thu, 21 Feb 2013 05:08:10 +0000 > "Zhang, Ouping" <ouping.zh...@intel.com> wrote: > > > Hi Jesse, > > > > Do you mean increase /sys/class/drm/card0/power/rc6p_residency_ms from > > 100000 to 150000, and measure power difference on IVB when system is on > > idle? > > > > -----Original Message----- > > From: Jesse Barnes [mailto:jbar...@virtuousgeek.org] > > Sent: Wednesday, February 20, 2013 8:16 AM > > To: Stéphane Marchesin > > Cc: intel-gfx@lists.freedesktop.org; Zhang, Ouping > > Subject: Re: [Intel-gfx] [PATCH] drm/i915: Increase the RC6p threshold. > > > > On Tue, 19 Feb 2013 15:53:56 -0800 > > Stéphane Marchesin <marc...@chromium.org> wrote: > > > > > On Tue, Jan 29, 2013 at 7:41 PM, Stéphane Marchesin > > > <marc...@chromium.org>wrote: > > > > > > > This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some > > > > reason this avoids the gen6_gt_check_fifodbg.isra warnings and > > > > associated GPU lockups, which makes my ivy bridge machine stable. > > > > > > > > > > > Ping? > > > > Seems ok to me. Ouping, can you measure any power difference between the > > two values? > > > > Thanks, > > -- > > Jesse Barnes, Intel Open Source Technology Center > > > -- > Jesse Barnes, Intel Open Source Technology Center -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
