On 02/10/2017 09:11 AM, Peter Maydell wrote:
> On 10 February 2017 at 15:00, Peter Maydell wrote:
>> On 7 February 2017 at 21:49, Wei Huang wrote:
>>> QEMU has implemented cycle count support for guest VM under TCG mode.
>>> But this feature is not complete. In fact using perf inside a
>>> 64-b
On 10 February 2017 at 15:00, Peter Maydell wrote:
> On 7 February 2017 at 21:49, Wei Huang wrote:
>> QEMU has implemented cycle count support for guest VM under TCG mode.
>> But this feature is not complete. In fact using perf inside a
>> 64-bit Linux guest VM (under TCG) can cause the following
On 7 February 2017 at 21:49, Wei Huang wrote:
> QEMU has implemented cycle count support for guest VM under TCG mode.
> But this feature is not complete. In fact using perf inside a
> 64-bit Linux guest VM (under TCG) can cause the following kernel panic
> because some PMU registers are not implem
QEMU has implemented cycle count support for guest VM under TCG mode.
But this feature is not complete. In fact using perf inside a
64-bit Linux guest VM (under TCG) can cause the following kernel panic
because some PMU registers are not implemented.
[ 329.445970] [] armv8pmu_enable_event+0x58/0x