On 3/3/2025 3:30 AM, Dongli Zhang wrote:
> When the PERFCORE is disabled with "-cpu host,-perfctr-core", it is
> reflected in in guest dmesg.
>
> [0.285136] Performance Events: AMD PMU driver.
>
> However, the guest CPUID indicates the PerfMonV2 is still available.
>
> CPU:
>Extended Per
On Sun, Mar 02, 2025 at 02:00:09PM -0800, Dongli Zhang wrote:
> Date: Sun, 2 Mar 2025 14:00:09 -0800
> From: Dongli Zhang
> Subject: [PATCH v2 01/10] target/i386: disable PerfMonV2 when PERFCORE
> unavailable
> X-Mailer: git-send-email 2.43.5
>
> When the PERFCORE is dis
On 3/5/2025 6:53 AM, dongli.zh...@oracle.com wrote:
Hi Xiaoyao,
On 3/4/25 6:40 AM, Xiaoyao Li wrote:
On 3/3/2025 6:00 AM, Dongli Zhang wrote:
When the PERFCORE is disabled with "-cpu host,-perfctr-core", it is
reflected in in guest dmesg.
[ 0.285136] Performance Events: AMD PMU driver.
I
Hi Xiaoyao,
On 3/4/25 6:40 AM, Xiaoyao Li wrote:
> On 3/3/2025 6:00 AM, Dongli Zhang wrote:
>> When the PERFCORE is disabled with "-cpu host,-perfctr-core", it is
>> reflected in in guest dmesg.
>>
>> [ 0.285136] Performance Events: AMD PMU driver.
>
> I'm a little confused. wWhen no perfctr-c
On 3/3/2025 6:00 AM, Dongli Zhang wrote:
When the PERFCORE is disabled with "-cpu host,-perfctr-core", it is
reflected in in guest dmesg.
[0.285136] Performance Events: AMD PMU driver.
I'm a little confused. wWhen no perfctr-core, AMD PMU driver can still
be probed? (forgive me if I ask a
When the PERFCORE is disabled with "-cpu host,-perfctr-core", it is
reflected in in guest dmesg.
[0.285136] Performance Events: AMD PMU driver.
However, the guest CPUID indicates the PerfMonV2 is still available.
CPU:
Extended Performance Monitoring and Debugging (0x8022):
AMD p