Re: [Qemu-devel] [PATCH v11 2/2] target/arm: Add a timer to predict PMU counter overflow

2019-01-23 Thread Richard Henderson
On 1/23/19 1:32 PM, Aaron Lindsay OS wrote: > Make PMU overflow interrupts more accurate by using a timer to predict > when they will overflow rather than waiting for an event to occur which > allows us to otherwise check them. > > Signed-off-by: Aaron Lindsay > --- > target/arm/cpu.c| 12

[Qemu-devel] [PATCH v11 2/2] target/arm: Add a timer to predict PMU counter overflow

2019-01-23 Thread Aaron Lindsay OS
Make PMU overflow interrupts more accurate by using a timer to predict when they will overflow rather than waiting for an event to occur which allows us to otherwise check them. Signed-off-by: Aaron Lindsay --- target/arm/cpu.c| 12 target/arm/cpu.h| 10 +++