On Thu, 13 May 2021 16:57:34 +0100
Stefan Hajnoczi wrote:
> This approach relies on process hierarchy of the VMM (QEMU).
> Multi-process QEMU is in development and will allow VIRTIO devices to
> run as separate processes from the main QEMU. It then becomes harder to
> correlate a VIRTIO device
On Wed, May 05, 2021 at 04:38:55PM -0400, Steven Rostedt wrote:
> The new trace-cmd 3.0 (which is almost ready to be released) allows for
> tracing between host and guests with timestamp synchronization such that
> the events on the host and the guest can be interleaved in the proper order
> that
On 5/5/21 3:38 PM, Steven Rostedt wrote:
> The new trace-cmd 3.0 (which is almost ready to be released) allows for
> tracing between host and guests with timestamp synchronization such that
> the events on the host and the guest can be interleaved in the proper order
> that they occur. KernelShark
On Fri, 7 May 2021 17:43:32 +0200
Stefano Garzarella wrote:
> >The start/stop of a seq_file() is made for taking locks. I do this with all
> >my code in ftrace. Yeah, there's a while loop between the two, but that's
> >just to fill the buffer. It's not that long and it never goes to userspace
>
On Fri, May 07, 2021 at 10:40:36AM -0400, Steven Rostedt wrote:
On Fri, 7 May 2021 16:11:20 +0200
Stefano Garzarella wrote:
Hi Steven,
On Wed, May 05, 2021 at 04:38:55PM -0400, Steven Rostedt wrote:
>The new trace-cmd 3.0 (which is almost ready to be released) allows for
>tracing between
On Fri, 7 May 2021 16:11:20 +0200
Stefano Garzarella wrote:
> Hi Steven,
>
> On Wed, May 05, 2021 at 04:38:55PM -0400, Steven Rostedt wrote:
> >The new trace-cmd 3.0 (which is almost ready to be released) allows for
> >tracing between host and guests with timestamp synchronization such that
>
Hi Steven,
On Wed, May 05, 2021 at 04:38:55PM -0400, Steven Rostedt wrote:
The new trace-cmd 3.0 (which is almost ready to be released) allows for
tracing between host and guests with timestamp synchronization such that
the events on the host and the guest can be interleaved in the proper order
For kicks, I wrote this program that uses libtracefs to search all CIDS
(1-255), and find the kvm guests that are attached to them.
It traces the sched_wakeup and kvm_exit, looking for:
this_task -> wakeup -> wakeup -> kvm_exit
when doing a connect to a cid.
When it finds the pid that did a
