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[Q] Art problems on CPU Govenor i9505

OP adamrharding

23rd January 2014, 08:27 PM   |  #1  
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Onwards and upwards, with an i9505, new poster longtime lurker. Using CM nightlies and always using ART runtime mode. I have noticed by default, if I install ART runtime on a nightly that defaults to dalvik when the processor governor is say interactive, I find that changing the processor to anything but interactive crashes the device to off after an arbitrary say five minutes, no matter the app! Furthermore, I cannot restart the device without connecting it to power! This happened with the battery at variously 45, 60, 80 and even 85%.

This happened on performance, on demand and powersave and is not based seemingly on the min and max processor speeds which I varied throughout. So, have swapped back to interactive set min speed to 1026 and max to 1890, which seems a lot more stable. On the next nightly, for thoroughness I will swap the governor in dalvik runtime before ART'ing it and see if that holds true and will update with my findings.

I suspect that the way the ART code is written may reference the processor mode when compiling, though I appreciate despite having modded to nightlies on a daily basis for several years, there are many more users out there who have far greater knowledge than me in this and would be interested in hearing your thoughts.
24th January 2014, 12:15 AM   |  #2  
PradeepMurugan's Avatar
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Quote:
Originally Posted by adamrharding

Onwards and upwards, with an i9505, new poster longtime lurker. Using CM nightlies and always using ART runtime mode. I have noticed by default, if I install ART runtime on a nightly that defaults to dalvik when the processor governor is say interactive, I find that changing the processor to anything but interactive crashes the device to off after an arbitrary say five minutes, no matter the app! Furthermore, I cannot restart the device without connecting it to power! This happened with the battery at variously 45, 60, 80 and even 85%.

This happened on performance, on demand and powersave and is not based seemingly on the min and max processor speeds which I varied throughout. So, have swapped back to interactive set min speed to 1026 and max to 1890, which seems a lot more stable. On the next nightly, for thoroughness I will swap the governor in dalvik runtime before ART'ing it and see if that holds true and will update with my findings.

I suspect that the way the ART code is written may reference the processor mode when compiling, though I appreciate despite having modded to nightlies on a daily basis for several years, there are many more users out there who have far greater knowledge than me in this and would be interested in hearing your thoughts.

Well afik ART has nothing to do with CPU governor. Problem will be in scripts of CPU governor

Sent from my GT-I9070 using Tapatalk
24th January 2014, 07:40 AM   |  #3  
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Quote:
Originally Posted by PradeepMurugan

Well afik ART has nothing to do with CPU governor. Problem will be in scripts of CPU governor

Sent from my GT-I9070 using Tapatalk

Great, thanks for the clarity
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