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Re: [Qemu-devel] [PATCH] trace: forbid floating point types
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH] trace: forbid floating point types |
Date: |
Wed, 27 Jun 2018 11:09:49 +0100 |
User-agent: |
Mutt/1.10.0 (2018-05-17) |
On Thu, Jun 21, 2018 at 04:02:54PM +0100, Stefan Hajnoczi wrote:
> Only one existing trace event uses a floating point type. Unfortunately
> float and double cannot be supported since SystemTap does not have
> floating point types.
>
> Remove float and double from the whitelist and document this limitation.
> Update the migrate_transferred trace event to use uint64_t instead of
> double.
>
> Cc: Dr. David Alan Gilbert <address@hidden>
> Cc: Daniel P. Berrangé <address@hidden>
> Cc: Peter Maydell <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> docs/devel/tracing.txt | 5 +++++
> migration/trace-events | 2 +-
> qapi/trace-events | 2 +-
> scripts/tracetool/__init__.py | 2 --
> 4 files changed, 7 insertions(+), 4 deletions(-)
Thanks, applied to my tracing tree:
https://github.com/stefanha/qemu/commits/tracing
Stefan
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