Re: [Qemu-devel] [PATCH v3 0/5] qemu-iotests: Test case for IO throttling

[Stefan Hajnoczi]

On Tue, Feb 11, 2014 at 02:40:57PM +0800, Fam Zheng wrote:
> This series adds iotest case for IO throttling.
> 
> There is a change in qemu-io sub-commands "aio_read" and "aio_write", which
> makes the aio requests accounted and the statistics reflected in blockstats.
> 
> Note that IO throttling implementation allows overcommiting of requests, so 
> the
> actual IO happened in a time unit may be a bit larger than given limits. In 
> the
> test case, the stats numbers are compared against 110%, to make room for such
> flexibility in order to improve determinism.
> 
> v3: Address comments from Benoît. (Thanks for the review!)
> 
>     [02/05] qtest: Add scripts/qtest/qtest.py
>             Fix comments.
>             Fix socket close order.
>             Removed unused lines.
> 
>     [03/05] qemu-iotests: Add VM method qtest() to iotests.py
>             Remove duplicated VM.qtest definition.
> 
>     [05/05] qemu-iotests: Add 080 for IO throttling
>             Check for lower bound (0.9 * limit * seconds).
>             Remove unused lines.
>             Fix checking of total bps and iops by adding up read and write.
> 
> 
> 
> Fam Zheng (5):
>   qemu-io: Account IO by aio_read and aio_write
>   qtest: Add scripts/qtest/qtest.py
>   qemu-iotests: Add VM method qtest() to iotests.py
>   qemu-iotests: Allow caller to disable underscore convertion for qmp
>   qemu-iotests: Add 080 for IO throttling
> 
>  qemu-io-cmds.c                |  10 +++
>  scripts/qtest                 |   5 --
>  scripts/qtest/qtest.py        |  74 ++++++++++++++++++
>  tests/qemu-iotests/080        | 175 
> ++++++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/080.out    |   5 ++
>  tests/qemu-iotests/group      |   1 +
>  tests/qemu-iotests/iotests.py |  24 +++++-
>  7 files changed, 285 insertions(+), 9 deletions(-)
>  delete mode 100755 scripts/qtest
>  create mode 100644 scripts/qtest/qtest.py
>  create mode 100755 tests/qemu-iotests/080
>  create mode 100644 tests/qemu-iotests/080.out

Is this series still alive?

Just going through old patch series.

Stefan