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Re: [Qemu-devel] [PATCH v9 0/7] trace: Show vCPU info in guest code even
From: |
Lluís Vilanova |
Subject: |
Re: [Qemu-devel] [PATCH v9 0/7] trace: Show vCPU info in guest code events |
Date: |
Tue, 01 Mar 2016 12:10:55 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Lluís Vilanova writes:
> NOTE: This series should complete the framework for guest code tracing. From
> here on, other series can concurrently add actual events and improve the
> guest code tracing features and performance (e.g., control tracing
> independently on each vCPU).
> This series introduces the "vcpu" property for tracing events. This property
> identifies events that are tied to a particular virtual CPU (e.g., executing
> an
> instruction).
> Events with this property have an implicit vcpu argument, which is shown in
> the
> trace. In the case of events executed at TCG translation time, two implicit
> arguments are added:
> * The vCPU performing the code translation (shown in the translation-time
> trace)
> * The vCPU executing the translated code (shown in the execution-time trace)
> Note that the "vcpu" and "tcg" properties are not merged into a single one,
> since events can be defined that relate to a vCPU but are never raised from
> TCG
> code (e.g., interrupts).
> Changes in v9
> =============
> * Rebase on 774ae42.
> * Fix CPUState typedef, and refactor into a separate patch [Stefan Hajnoczi].
> * Fix TCGv_cpu -> TCGv_env rename in sparc [Stefan Hajnoczi].
[...]
Hi Stefan,
I know it's soft-freeze day, but did you have a chance to take a look at this
series and the other two I sent on top? ("trace: Add events for vCPU memory
accesses" and "trace: Per-vCPU tracing states").
Thanks a lot,
Lluis
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