From: Stefan Hajnoczi <stefanha@redhat.com>
To: "Lluís Vilanova" <vilanova@ac.upc.edu>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/3] trace: Fix event tracing during vCPU hot-unplug
Date: Mon, 9 Jan 2017 16:38:54 +0000 [thread overview]
Message-ID: <20170109163854.GK30228@stefanha-x1.localdomain> (raw)
In-Reply-To: <148278746972.1404.10574428039766667311.stgit@fimbulvetr.bsc.es>
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On Mon, Dec 26, 2016 at 10:24:29PM +0100, Lluís Vilanova wrote:
> The vCPU list needs to be locked to avoid memory corruption with concurrent
> hot-(un)plugs, and per-vCPU events need to be disabled during vCPU hot-unplug.
>
> Also adds event "guest_cpu_exit" to track vCPU hot-unplugging.
>
> Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
> ---
>
>
> Lluís Vilanova (3):
> trace: Lock vCPU list when initializing dynamic tracing state
> trace: Fix dynamic event state on vCPU hot-unplug
> trace: Add event "guest_cpu_exit"
>
>
> qom/cpu.c | 2 ++
> trace-events | 6 ++++++
> trace/control-target.c | 11 ++++++++++-
> trace/control.c | 19 +++++++++++++++++++
> trace/control.h | 8 ++++++++
> 5 files changed, 45 insertions(+), 1 deletion(-)
>
>
> To: qemu-devel@nongnu.org
> Cc: Stefan Hajnoczi <stefanha@redhat.com>
Thanks, applied to my tracing tree:
https://github.com/stefanha/qemu/commits/tracing
Stefan
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prev parent reply other threads:[~2017-01-10 14:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-26 21:24 [Qemu-devel] [PATCH 0/3] trace: Fix event tracing during vCPU hot-unplug Lluís Vilanova
2016-12-26 21:24 ` [Qemu-devel] [PATCH 1/3] trace: Lock vCPU list when initializing dynamic tracing state Lluís Vilanova
2016-12-26 21:24 ` [Qemu-devel] [PATCH 2/3] trace: Fix dynamic event state on vCPU hot-unplug Lluís Vilanova
2016-12-26 21:24 ` [Qemu-devel] [PATCH 3/3] trace: Add event "guest_cpu_exit" Lluís Vilanova
2017-01-09 16:38 ` Stefan Hajnoczi [this message]
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