Re: CPU performance counters not working on big.LITTLE switcher

2014-05-09 Thread Dave Martin
On Tue, May 06, 2014 at 04:28:49PM -0400, Nicolas Pitre wrote: > On Mon, 5 May 2014, Sonny Rao wrote: > > > On Mon, May 5, 2014 at 7:52 PM, Nicolas Pitre > > wrote: > > > On Mon, 5 May 2014, Sonny Rao wrote: > > > > > >> Hi, we have the problem today that cpu based performance counters don't > >

Re: CPU performance counters not working on big.LITTLE switcher

2014-05-06 Thread Nicolas Pitre
On Mon, 5 May 2014, Sonny Rao wrote: > On Mon, May 5, 2014 at 7:52 PM, Nicolas Pitre > wrote: > > On Mon, 5 May 2014, Sonny Rao wrote: > > > >> Hi, we have the problem today that cpu based performance counters don't > >> work when we're using the big.LITTLE switcher on Exynos 5420, and it > >> d

Re: CPU performance counters not working on big.LITTLE switcher

2014-05-05 Thread Sonny Rao
On Mon, May 5, 2014 at 7:52 PM, Nicolas Pitre wrote: > On Mon, 5 May 2014, Sonny Rao wrote: > >> Hi, we have the problem today that cpu based performance counters don't >> work when we're using the big.LITTLE switcher on Exynos 5420, and it >> doesn't look like code exists to deal with this in the

Re: CPU performance counters not working on big.LITTLE switcher

2014-05-05 Thread Nicolas Pitre
On Mon, 5 May 2014, Sonny Rao wrote: > Hi, we have the problem today that cpu based performance counters don't > work when we're using the big.LITTLE switcher on Exynos 5420, and it > doesn't look like code exists to deal with this in the switcher. > > As it stands right now, if you put an A-15 o

Re: CPU performance counters not working on big.LITTLE switcher

2014-05-05 Thread Sonny Rao
[sorry for HTML spam, resending] Hi, we have the problem today that cpu based performance counters don't work when we're using the big.LITTLE switcher on Exynos 5420, and it doesn't look like code exists to deal with this in the switcher. As it stands right now, if you put an A-15 or A-7 PMU node