Re: [Qemu-devel] CPU Cache simulation

[Hao Bai]

Sorry about the ambiguity.
I am using x86-64 architecture in user mode. Basically, I am trying to log all the cache activities when I run a guest program with QEMU. That's why I asked whether QEMU simulated CPU caches. I was assuming if QEMU did not simulate CPU caches then there would be no way to do this (Correct me if I am wrong). Is there a way to do this?

Pointer to the 2009 thread: https://lists.nongnu.org/archive/html/qemu-devel/2009-06/msg01353.html

Cheers

On Wed, Nov 18, 2015 at 10:15 AM, Eduardo Habkost <address@hidden> wrote:

On Wed, Nov 18, 2015 at 03:04:09AM -0500, Hao Bai wrote:
> Hi all,
>
> I read from an earlier thread in 2009 that QEMU did not simulate CPU
> caches. Is this still the case now?

Could you clarify what you need? In which architecture? What
exactly you mean by "simulating CPU caches"? Do you just want the
guest to think the machine has a specific cache topology, or do
you want to emulate other cache behavior? Do you need support to
specific cache control instructions?

Do you have a pointer to the 2009 thread?

--
Eduardo