Re: [Qemu-devel] [PATCH 2/2] snapshot/tests: Try loadvm twice

[Peter Xu]

On Fri, Aug 25, 2017 at 03:19:40PM +0100, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> It's legal to loadvm twice, modify the existing save/loadvm test
> to do it twice.
> 
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>

Reviewed-by: Peter Xu <address@hidden>

(a question below though)

> ---
>  tests/qemu-iotests/068     | 2 +-
>  tests/qemu-iotests/068.out | 4 ++++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/qemu-iotests/068 b/tests/qemu-iotests/068
> index cfa0f2aed5..e7fca6a494 100755
> --- a/tests/qemu-iotests/068
> +++ b/tests/qemu-iotests/068
> @@ -78,7 +78,7 @@ for extra_args in \
>      # Give qemu some time to boot before saving the VM state
>      { sleep 1; printf "savevm 0\nquit\n"; } | _qemu $extra_args
>      # Now try to continue from that VM state (this should just work)
> -    echo quit | _qemu $extra_args -loadvm 0
> +    { sleep 1; printf "loadvm 0\nloadvm 0\nquit\n"; } | _qemu $extra_args -S

Curious about why there are both "sleep 1" and "-S" added - I thought
"-S" means CPU won't really run, then why wait for one more second?

>  done
>  
>  # success, all done
> diff --git a/tests/qemu-iotests/068.out b/tests/qemu-iotests/068.out
> index aa063cf711..f07a938a38 100644
> --- a/tests/qemu-iotests/068.out
> +++ b/tests/qemu-iotests/068.out
> @@ -7,6 +7,8 @@ QEMU X.Y.Z monitor - type 'help' for more information
>  (qemu) savevm 0
>  (qemu) quit
>  QEMU X.Y.Z monitor - type 'help' for more information
> +(qemu) loadvm 0
> +(qemu) loadvm 0
>  (qemu) quit
>  
>  === Saving and reloading a VM state to/from a qcow2 image (-object 
> iothread,id=iothread0 -set device.hba0.iothread=iothread0) ===
> @@ -16,5 +18,7 @@ QEMU X.Y.Z monitor - type 'help' for more information
>  (qemu) savevm 0
>  (qemu) quit
>  QEMU X.Y.Z monitor - type 'help' for more information
> +(qemu) loadvm 0
> +(qemu) loadvm 0
>  (qemu) quit
>  *** done
> -- 
> 2.13.5
> 

-- 
Peter Xu