On 2021/4/15 10:49, Liuxiangdong wrote:
On 2021/4/15 9:38, Xu, Like wrote:
On 2021/4/14 22:49, Liuxiangdong wrote:
Hi Like,
On 2021/4/9 16:46, Like Xu wrote:
Hi Liuxiangdong,
On 2021/4/9 16:33, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Do you have any
On 2021/4/15 9:38, Xu, Like wrote:
On 2021/4/14 22:49, Liuxiangdong wrote:
Hi Like,
On 2021/4/9 16:46, Like Xu wrote:
Hi Liuxiangdong,
On 2021/4/9 16:33, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Do you have any comments or ideas about it ?
On 2021/4/14 22:49, Liuxiangdong wrote:
Hi Like,
On 2021/4/9 16:46, Like Xu wrote:
Hi Liuxiangdong,
On 2021/4/9 16:33, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Do you have any comments or ideas about it ?
Hi Like,
On 2021/4/9 16:46, Like Xu wrote:
Hi Liuxiangdong,
On 2021/4/9 16:33, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Do you have any comments or ideas about it ?
https://lore.kernel.org/kvm/606e5ef6.2060...@huawei.com/
My expectation is that there may be
On 2021/4/12 23:25, Andi Kleen wrote:
The reason why soft lockup happens may be the unmapped EPT pages. So, do we
have a way to map all gpa
before we use pebs on Skylake?
Can you configure a VT-d device, that will implicitly pin all pages for the
IOMMU. I *think* that should be enough for
> The reason why soft lockup happens may be the unmapped EPT pages. So, do we
> have a way to map all gpa
> before we use pebs on Skylake?
Can you configure a VT-d device, that will implicitly pin all pages for the
IOMMU. I *think* that should be enough for testing.
-Andi
On 2021/4/9 16:46, Like Xu wrote:
Hi Liuxiangdong,
On 2021/4/9 16:33, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Do you have any comments or ideas about it ?
https://lore.kernel.org/kvm/606e5ef6.2060...@huawei.com/
My expectation is that there may be many
Hi Liuxiangdong,
On 2021/4/9 16:33, Liuxiangdong (Aven, Cloud Infrastructure Service Product
Dept.) wrote:
Do you have any comments or ideas about it ?
https://lore.kernel.org/kvm/606e5ef6.2060...@huawei.com/
My expectation is that there may be many fewer PEBS samples
on Skylake without any
Do you have any comments or ideas about it ?
https://lore.kernel.org/kvm/606e5ef6.2060...@huawei.com/
On 2021/4/6 13:14, Xu, Like wrote:
Hi Xiangdong,
On 2021/4/6 11:24, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Hi，like.
Some questions about this new pebs
On 2021/4/6 13:14, Xu, Like wrote:
Hi Xiangdong,
On 2021/4/6 11:24, Liuxiangdong (Aven, Cloud Infrastructure Service
Product Dept.) wrote:
Hi，like.
Some questions about this new pebs patches set：
https://lore.kernel.org/kvm/20210329054137.120994-2-like...@linux.intel.com/
The new
On Wed, Apr 07, 2021 at 11:05:20AM +0800, Liuxiangdong (Aven, Cloud
Infrastructure Service Product Dept.) wrote:
>
>
> On 2021/4/6 20:47, Andi Kleen wrote:
> > > AFAIK， Icelake supports adaptive PEBS and extended PEBS which Skylake
> > > doesn't.
> > > But we can still use IA32_PEBS_ENABLE MSR
On 2021/4/6 20:47, Andi Kleen wrote:
AFAIK， Icelake supports adaptive PEBS and extended PEBS which Skylake
doesn't.
But we can still use IA32_PEBS_ENABLE MSR to indicate general-purpose
counter in Skylake.
Is there anything else that only Icelake supports in this patches set?
Only Icelake
> AFAIK， Icelake supports adaptive PEBS and extended PEBS which Skylake
> doesn't.
> But we can still use IA32_PEBS_ENABLE MSR to indicate general-purpose
> counter in Skylake.
> Is there anything else that only Icelake supports in this patches set?
Only Icelake server has the support for
Hi Xiangdong,
On 2021/4/6 11:24, Liuxiangdong (Aven, Cloud Infrastructure Service Product
Dept.) wrote:
Hi，like.
Some questions about this new pebs patches set：
https://lore.kernel.org/kvm/20210329054137.120994-2-like...@linux.intel.com/
The new hardware facility supporting guest PEBS is only
Hi，like.
Some questions about this new pebs patches set：
https://lore.kernel.org/kvm/20210329054137.120994-2-like...@linux.intel.com/
The new hardware facility supporting guest PEBS is only available
on Intel Ice Lake Server platforms for now.
AFAIK， Icelake supports adaptive PEBS and extended
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