On Mon, Sep 03, 2018 at 01:12:36PM +0200, Christoffer Dall wrote:
> On Thu, Aug 30, 2018 at 04:17:33PM +0200, Andrew Jones wrote:
> > From: Shih-Wei Li <shihwei@xxxxxxxxxxxxxxx>
> >
> > Here we provide the support for measuring various micro level
> > operations on arm64. Measurements are currently obtained using
> > timer counters. Further modifications in KVM will be required
> > to support timestamping using cycle counters, as KVM now disables
> > accesses to the PMU counters from the VM.
> >
> > Signed-off-by: Shih-Wei Li <shihwei@xxxxxxxxxxxxxxx>
> > Signed-off-by: Christoffer Dall <cdall@xxxxxxxxxxxxxxx>
> > Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
>
> Acked-by: Christoffer Dall <christoffer.dall@xxxxxxx>
Thanks Christoffer! While running this I just noticed a bug though.
It seemed my hardware was super-duper fast, because I was missing...
> > +#define PS_PER_SEC (1000 * 1000 * 1000 * 1000U)
...an 'L' here ^
I'll send a v2 with that fix now and also add your acked-by.
Thanks,
drew
