Re: [Qemu-devel] [RISU PATCH 0/9] Record/playback patches

[joserz@linux.vnet.ibm.com]

On Fri, Dec 02, 2016 at 03:59:26PM +0000, Alex Bennée wrote:
> Hi Peter,
> 
> I've been cleaning things up so I thought I should re-post my current
> state. These all apply to the current master.
> 
> I had to regenerate all the risu binaries as I'd used --no-fp for a
> bunch of them originally which was causing failures. I'm not sure if
> this is due to the FP registers not being cleared by the kernel if FP
> isn't used - but we certainly don't do anything to them except when
> set by the memory/context blocks (without --no-fp). This led me to
> write the 3 noddy scripts included here.
> 
> The record/playback is still aarch64 only. I'm open to ideas to do
> this more cleanly otherwise if anyone has access to some PPC hardware
> I can port the record/playback code to the other architectures.

Excellent job, Alex

I can make the PPC port here. I still have work to do in Risu for PPC so
I can include this in my task as well. I'm planning to start working on
it this week.

Thank you

> 
> Feel free to cherry-pick any of the minor patches as you wish ;-)
> 
> Alex Bennée (9):
>   risu: a bit more verbosity when running
>   aarch64: add hand-coded risu skeleton for directed testing
>   risu: add simple trace and replay support
>   risu: add support compressed tracefiles
>   risu_aarch64: it's -> it is
>   risugen: remove grocer's apostrophe from REs
>   new: generate_all.sh script
>   new: record_traces.sh helper script
>   new: run_risu.sh script
> 
>  Makefile                      |  10 +-
>  aarch64_simd_handcoded.risu.S | 208 ++++++++++++++++++++++++++++++++++++++++++
>  configure                     |  55 +++++++++++
>  generate_all.sh               |  55 +++++++++++
>  record_traces.sh              |  16 ++++
>  risu.c                        | 116 ++++++++++++++++++-----
>  risu.h                        |  15 +++
>  risu_aarch64.c                |  89 +++++++++++++++++-
>  risu_reginfo_aarch64.h        |   7 ++
>  risugen                       |   2 +-
>  run_risu.sh                   |  51 +++++++++++
>  11 files changed, 598 insertions(+), 26 deletions(-)
>  create mode 100644 aarch64_simd_handcoded.risu.S
>  create mode 100755 generate_all.sh
>  create mode 100755 record_traces.sh
>  create mode 100755 run_risu.sh
> 
> -- 
> 2.10.2
>