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From: Thara Gopinath <thara.gopinath@linaro.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Kevin Hilman <khilman@kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Greg KH <gregkh@linuxfoundation.org>,
	Linux PM list <linux-pm@vger.kernel.org>
Subject: Re: [PATCH V2 0/2] PM / Domains: Expand generic power domain debugfs.
Date: Wed, 14 Jun 2017 16:59:24 -0400	[thread overview]
Message-ID: <5941A3AC.6030605@linaro.org> (raw)
In-Reply-To: <CAMuHMdXYkXm3NKE=MT0dF+x-wNHWDjYJ+bbO9gWEwwuFwYUKmA@mail.gmail.com>

Hi Geert,

On 06/14/2017 04:24 AM, Geert Uytterhoeven wrote:
> Hi Thara,
> 
> On Tue, Jun 13, 2017 at 10:27 PM, Thara Gopinath
> <thara.gopinath@linaro.org> wrote:
>> This patch set attempts to improve the existing generic power domain
>> debugfs capabilities. The first  patch adds various accounting and
>> other bits needed to expose out the generic power domain statistics.
>> The second patch introduces new debugfs entries and attributes.
>>
>> V1->V2:
>> - Removed calling of update accounting from suspend resume context
>>   where time keeping can be disabled.
>> - Added back the pm_genpd_summary which was removed by the first version
>>   of this patchset.
>> - Renamed a few debugfs parameters.
> 
> Thanks for your patches!
> 
> For reference, I'm adding the output of all new files on a Renesas Salvator-X
> board (slightly reformatted, as "idle_states" and "devices" may span multiple
> lines):

Thanks for the review and testing. The results below look good. I did
see your minor comments in the other email. I will fix all of them in
the next version.

Regards
Thara
> 
> 3dg-a
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               305565
>   sub_domains : 3dg-b
>   total_idle_time : 305782 ms
> 3dg-b
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               306142
>   sub_domains : 3dg-c
>   total_idle_time : 306351 ms
> 3dg-c
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               306706
>   sub_domains : 3dg-d
>   total_idle_time : 306923 ms
> 3dg-d
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               307299
>   sub_domains : 3dg-e
>   total_idle_time : 307516 ms
> 3dg-e
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               307902
>   sub_domains :
>   total_idle_time : 308119 ms
> a2vc1
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               308511
>   sub_domains :
>   total_idle_time : 308722 ms
> a3ir
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               309115
>   sub_domains :
>   total_idle_time : 309332 ms
> a3vc
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               309705
>   sub_domains : a2vc1
>   total_idle_time : 309905 ms
> a3vp
>   active_time : 4552 ms
>   current_state : off-0
>   devices : /devices/platform/soc/fe92f000.fcp
>             /devices/platform/soc/fe950000.fcp
>             /devices/platform/soc/fe951000.fcp
>             /devices/platform/soc/fe96f000.fcp
>             /devices/platform/soc/fe9af000.fcp
>             /devices/platform/soc/fe9bf000.fcp
>             /devices/platform/soc/fe940000.fdp1
>             /devices/platform/soc/fe944000.fdp1
>             /devices/platform/soc/fe920000.vsp
>             /devices/platform/soc/fe960000.vsp
>             /devices/platform/soc/fe9a0000.vsp
>             /devices/platform/soc/fe9b0000.vsp
>   idle_states : State          Time Spent(ms)
>                 S0               312002
>   sub_domains :
>   total_idle_time : 312219 ms
> always-on
>   active_time : 316884 ms
>   current_state : on
>   devices : /devices/platform/soc/e60b0000.i2c
>             /devices/platform/soc/ee0a0200.usb-phy
>             /devices/platform/soc/ee0c0200.usb-phy
>             /devices/platform/soc/e6050000.gpio
>             /devices/platform/soc/e6051000.gpio
>             /devices/platform/soc/e6052000.gpio
>             /devices/platform/soc/e6053000.gpio
>             /devices/platform/soc/e6054000.gpio
>             /devices/platform/soc/e6055000.gpio
>             /devices/platform/soc/e6055400.gpio
>             /devices/platform/soc/e6055800.gpio
>             /devices/platform/soc/e6700000.dma-controller
>             /devices/platform/soc/e7300000.dma-controller
>             /devices/platform/soc/e7310000.dma-controller
>             /devices/platform/soc/ec700000.dma-controller
>             /devices/platform/soc/ec720000.dma-controller
>             /devices/platform/soc/e65a0000.dma-controller
>             /devices/platform/soc/e65b0000.dma-controller
>             /devices/platform/soc/e6e68000.serial
>             /devices/platform/soc/e6e88000.serial
>             /devices/platform/soc/fead0000.hdmi0
>             /devices/platform/soc/feae0000.hdmi1
>             /devices/platform/soc/e6800000.ethernet
>             /devices/platform/soc/ee0a0100.usb
>             /devices/platform/soc/ee0c0100.usb
>             /devices/platform/soc/ee0a0000.usb
>             /devices/platform/soc/ee0c0000.usb
>             /devices/platform/soc/e6510000.i2c
>             /devices/platform/soc/e66d8000.i2c
>             /devices/platform/soc/fea27000.fcp
>             /devices/platform/soc/fea2f000.fcp
>             /devices/platform/soc/fea37000.fcp
>             /devices/platform/soc/fea28000.vsp
>             /devices/platform/soc/fea30000.vsp
>             /devices/platform/soc/e6198000.thermal
>             /devices/platform/soc/e6020000.watchdog
>             /devices/platform/soc/ee140000.sd
>             /devices/platform/soc/ec500000.sound
>             /devices/platform/soc/e61c0000.interrupt-controller
>             /devices/platform/soc/ee080200.usb-phy
>             /devices/platform/soc/ee080100.usb
>             /devices/platform/soc/ee080000.usb
>             /devices/platform/soc/ee100000.sd
>             /devices/platform/soc/ee160000.sd
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains : ca57-scu, ca53-scu, a3vp, cr7, a3vc, 3dg-a, a3ir
>   total_idle_time : 0 ms
> ca53-cpu0
>   active_time : 317535 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca53-cpu1
>   active_time : 318121 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca53-cpu2
>   active_time : 318691 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca53-cpu3
>   active_time : 319273 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca53-scu
>   active_time : 319874 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains : ca53-cpu0, ca53-cpu1, ca53-cpu2, ca53-cpu3
>   total_idle_time : 0 ms
> ca57-cpu0
>   active_time : 320455 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca57-cpu1
>   active_time : 321014 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca57-cpu2
>   active_time : 321569 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca57-cpu3
>   active_time : 322147 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> ca57-scu
>   active_time : 322748 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains : ca57-cpu0, ca57-cpu1, ca57-cpu2, ca57-cpu3
>   total_idle_time : 0 ms
> clock-controller
>   active_time : 323302 ms
>   current_state : on
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               0
>   sub_domains :
>   total_idle_time : 0 ms
> cr7
>   active_time : 6231 ms
>   current_state : off-0
>   devices :
>   idle_states : State          Time Spent(ms)
>                 S0               318018
>   sub_domains :
>   total_idle_time : 318237 ms
> 
> Plain pm_genpd_summary:
> 
> domain                          status          slaves
>     /device                                             runtime status
> ----------------------------------------------------------------------
> clock-controller                on
> a3ir                            off-0
> 3dg-e                           off-0
> 3dg-d                           off-0           3dg-e
> 3dg-c                           off-0           3dg-d
> 3dg-b                           off-0           3dg-c
> 3dg-a                           off-0           3dg-b
> a2vc1                           off-0
> a3vc                            off-0           a2vc1
> cr7                             off-0
> a3vp                            off-0
>     /devices/platform/soc/fe92f000.fcp                  suspended
>     /devices/platform/soc/fe950000.fcp                  suspended
>     /devices/platform/soc/fe951000.fcp                  suspended
>     /devices/platform/soc/fe96f000.fcp                  suspended
>     /devices/platform/soc/fe9af000.fcp                  suspended
>     /devices/platform/soc/fe9bf000.fcp                  suspended
>     /devices/platform/soc/fe940000.fdp1                 suspended
>     /devices/platform/soc/fe944000.fdp1                 suspended
>     /devices/platform/soc/fe920000.vsp                  suspended
>     /devices/platform/soc/fe960000.vsp                  suspended
>     /devices/platform/soc/fe9a0000.vsp                  suspended
>     /devices/platform/soc/fe9b0000.vsp                  suspended
> ca53-cpu3                       on
> ca53-cpu2                       on
> ca53-cpu1                       on
> ca53-cpu0                       on
> ca53-scu                        on              ca53-cpu0, ca53-cpu1,
> ca53-cpu2, ca53-cpu3
> ca57-cpu3                       on
> ca57-cpu2                       on
> ca57-cpu1                       on
> ca57-cpu0                       on
> ca57-scu                        on              ca57-cpu0, ca57-cpu1,
> ca57-cpu2, ca57-cpu3
> always-on                       on              ca57-scu, ca53-scu,
> a3vp, cr7, a3vc, 3dg-a, a3ir
>     /devices/platform/soc/e60b0000.i2c                  suspended
>     /devices/platform/soc/ee0a0200.usb-phy              active
>     /devices/platform/soc/ee0c0200.usb-phy              active
>     /devices/platform/soc/e6050000.gpio                 suspended
>     /devices/platform/soc/e6051000.gpio                 suspended
>     /devices/platform/soc/e6052000.gpio                 active
>     /devices/platform/soc/e6053000.gpio                 active
>     /devices/platform/soc/e6054000.gpio                 active
>     /devices/platform/soc/e6055000.gpio                 active
>     /devices/platform/soc/e6055400.gpio                 active
>     /devices/platform/soc/e6055800.gpio                 suspended
>     /devices/platform/soc/e6700000.dma-controller       active
>     /devices/platform/soc/e7300000.dma-controller       active
>     /devices/platform/soc/e7310000.dma-controller       suspended
>     /devices/platform/soc/ec700000.dma-controller       suspended
>     /devices/platform/soc/ec720000.dma-controller       suspended
>     /devices/platform/soc/e65a0000.dma-controller       suspended
>     /devices/platform/soc/e65b0000.dma-controller       suspended
>     /devices/platform/soc/e6e68000.serial               active
>     /devices/platform/soc/e6e88000.serial               active
>     /devices/platform/soc/fead0000.hdmi0                unsupported
>     /devices/platform/soc/feae0000.hdmi1                unsupported
>     /devices/platform/soc/e6800000.ethernet             active
>     /devices/platform/soc/ee0a0100.usb                  unsupported
>     /devices/platform/soc/ee0c0100.usb                  unsupported
>     /devices/platform/soc/ee0a0000.usb                  suspended
>     /devices/platform/soc/ee0c0000.usb                  suspended
>     /devices/platform/soc/e6510000.i2c                  suspended
>     /devices/platform/soc/e66d8000.i2c                  suspended
>     /devices/platform/soc/fea27000.fcp                  suspended
>     /devices/platform/soc/fea2f000.fcp                  suspended
>     /devices/platform/soc/fea37000.fcp                  suspended
>     /devices/platform/soc/fea28000.vsp                  suspended
>     /devices/platform/soc/fea30000.vsp                  suspended
>     /devices/platform/soc/e6198000.thermal              active
>     /devices/platform/soc/e6020000.watchdog             active
>     /devices/platform/soc/ee140000.sd                   active
>     /devices/platform/soc/ec500000.sound                suspended
>     /devices/platform/soc/e61c0000.interrupt-controller  active
>     /devices/platform/soc/ee080200.usb-phy              active
>     /devices/platform/soc/ee080100.usb                  unsupported
>     /devices/platform/soc/ee080000.usb                  suspended
>     /devices/platform/soc/ee100000.sd                   active
>     /devices/platform/soc/ee160000.sd                   active
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds
> 


-- 
Regards
Thara

      reply	other threads:[~2017-06-14 20:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-13 20:27 [PATCH V2 0/2] PM / Domains: Expand generic power domain debugfs Thara Gopinath
2017-06-13 20:27 ` [PATCH V2 1/2] PM / Domains: Add time accounting to various genpd states Thara Gopinath
2017-06-13 20:27 ` [PATCH V2 2/2] PM / Domains: Extend generic power domain debugfs Thara Gopinath
2017-06-14  8:01   ` Geert Uytterhoeven
2017-06-14  8:26   ` Geert Uytterhoeven
2017-06-14  8:24 ` [PATCH V2 0/2] PM / Domains: Expand " Geert Uytterhoeven
2017-06-14 20:59   ` Thara Gopinath [this message]

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