Re: [Qemu-devel] [PATCH 0/3] Add infrastructure to compute timed averages

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Fri, Jun 12, 2015 at 04:01:28PM +0300, Alberto Garcia wrote:
> This series adds a new module that can be used to compute the average
> of a set of values in a certain period of time. This will be used by
> the accounting code to obtain statistics such as the min / max /
> average latency of I/O commands.
> 
> This is based on Benoît's code, originally written last year.
> 
> Regards,
> 
> Berto
> 
> Alberto Garcia (3):
>   timer: Move NANOSECONDS_PER_SECONDS to timer.h
>   timer: Use a single definition of NSEC_PER_SEC for the whole codebase
>   util: Infrastructure for computing recent averages
> 
>  hw/ppc/ppc.c                 |   2 -
>  hw/ppc/spapr_rtc.c           |   3 +-
>  hw/timer/mc146818rtc.c       |   1 -
>  hw/usb/hcd-ehci.c            |   2 +-
>  include/qemu/throttle.h      |   2 -
>  include/qemu/timed-average.h |  58 ++++++++++++
>  include/qemu/timer.h         |   2 +
>  tests/Makefile               |   4 +
>  tests/rtl8139-test.c         |  10 +--
>  tests/test-throttle.c        |   8 +-
>  tests/test-timed-average.c   |  89 ++++++++++++++++++
>  tests/wdt_ib700-test.c       |  15 ++--
>  util/Makefile.objs           |   1 +
>  util/throttle.c              |   4 +-
>  util/timed-average.c         | 208 +++++++++++++++++++++++++++++++++++++++++++
>  15 files changed, 382 insertions(+), 27 deletions(-)
>  create mode 100644 include/qemu/timed-average.h
>  create mode 100644 tests/test-timed-average.c
>  create mode 100644 util/timed-average.c

Thanks, applied patches 1 & 2 to my block tree:
https://github.com/stefanha/qemu/commits/block

Patch 3 is going to be unused in QEMU 2.4 for I'm holding off on merging
it.  Please resend it together with the accounting series so it can be
merged for QEMU 2.5.

Thanks,
Stefan

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