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Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses |
Date: |
Tue, 22 Mar 2016 12:55:02 +0000 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Wed, Mar 16, 2016 at 03:10:01PM +0000, Peter Maydell wrote:
> On 2 March 2016 at 10:55, Stefan Hajnoczi <address@hidden> wrote:
> > On Tue, Feb 23, 2016 at 07:22:07PM +0100, Lluís Vilanova wrote:
> >> NOTE: This series applies on top of "trace: Show vCPU info in guest code
> >> events"
> >>
> >> This series adds to new events:
> >>
> >> * guest_vmem: memory accesses performed by vCPUs (guest code)
> >>
> >> * guest_vmem_user_syscall: memory accesses performed by syscall emulation
> >> when
> >> running QEMU in user-mode.
> >>
> >> Signed-off-by: Lluís Vilanova <address@hidden>
> >> ---
> >>
> >> Lluís Vilanova (5):
> >> exec: [tcg] Track which vCPU is performing translation and execution
> >> trace: [all] Add "guest_vmem" event
> >> user: Refactor lock_user body into do_lock_user
> >> user: Set current vCPU during syscall execution
> >> trace: [all] Add "guest_vmem_user_syscall" event
>
> > Any comments from TCG folks?
>
> The first two patches which add TCG guest data access tracing look
> OK to me, but I'm much less sure about the last three which are
> adding tracing into linux-user syscall emulation. I'm not sure
> that lock_user is the right place to put that tracepoint.
Any thoughts on this, Lluís?
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- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Stefan Hajnoczi, 2016/03/02
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Peter Maydell, 2016/03/16
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses,
Stefan Hajnoczi <=
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Lluís Vilanova, 2016/03/22
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Peter Maydell, 2016/03/22
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Lluís Vilanova, 2016/03/22
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Peter Maydell, 2016/03/22
- Re: [Qemu-devel] [PATCH 0/5] trace: Add events for vCPU memory accesses, Lluís Vilanova, 2016/03/23