Messages in this thread | | | Date | Wed, 4 Jul 2018 22:22:07 +0200 | From | Pavel Machek <> | Subject | Re: v4.18-rc1 on droid 4: very bad CPU performance |
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Hi!
> OK. I checked and duovero runs only at 600MHz. I can only > get down to 19 seconds with omap2plus_defconfig if I disable > CONFIG_CPU_FREQ so the max speed is maintained from bootloader. > Otherwise it runs at most at 1GHz, I think any higher speeds > need smartreflex and voltage scaling working which we don't > have in the mainline kernel. Not sure what happens with higher > speeds with mainline kernel or if they are unsafe in the long > run. > > Anyways, care to post your .config somewhere so I can see what > the numbers are for me with it?
After reboot (same config as in previous mail), before x / ofono / unicsy_demo /... were started:
user@devuan:~$ uname -a Linux devuan 4.18.0-rc3-88788-g528947b #758 SMP Wed Jul 4 10:05:21 CEST 2018 armv7l GNU/Linux user@devuan:~$ time cat /dev/urandom | head -c 10000000 | bzip2 -9 - | wc -c 10044041 11.50user 0.37system 11.57 (0m11.570s) elapsed 102.63%CPU user@devuan:~$
droid 4.
Pavel
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