[Qemu-devel] [PATCH V9 0/5] Continuous Leaky Bucket Throttling

[Benoît Canet]

This patchset implement continous leaky bucket throttling.

It use two requests queue to enable to do silly unbalanced throttling like
block_set_io_throttle 0 0 0 0 6000 1

It use two timer to get the timer callbacks and the throttle.c code simple

in this version:
   Apply Reviewed-By by Eric
   Rebased on top of "qmp: fix integer usage in examples" by Eric (Please apply 
it
first)

v8:

   rearm timer only when it's not pending [Stefan]
   Schedule next request right after accouting it [Stefan]

v7:
   honor max values if specified [Paolo]
   s/cfg/Linux CFQ/ [Stefan]
   revert throttle_get_config to it's old prototype [Stefan]
   s/size/@size/ [Stefan]
   s/acccount/account/ [Stefan]
   remove tracked_request_end uneeded hunk [Stefan]
   Spaces before (json-int)s [Stefan]

Benoît Canet (5):
  throttle: Add a new throttling API implementing continuous leaky
    bucket.
  throttle: Add units tests
  block: Enable the new throttling code in the block layer.
  block: Add support for throttling burst max in QMP and the command
    line.
  block: Add iops_size to do the iops accounting for a given io size.

 block.c                   |  338 +++++++++----------------------
 block/qapi.c              |   50 +++--
 blockdev.c                |  205 ++++++++++++++-----
 hmp.c                     |   36 +++-
 include/block/block.h     |    1 -
 include/block/block_int.h |   32 +--
 include/qemu/throttle.h   |  103 ++++++++++
 qapi-schema.json          |   40 +++-
 qemu-options.hx           |    4 +-
 qmp-commands.hx           |   34 +++-
 tests/Makefile            |    2 +
 tests/test-throttle.c     |  481 +++++++++++++++++++++++++++++++++++++++++++++
 util/Makefile.objs        |    1 +
 util/throttle.c           |  396 +++++++++++++++++++++++++++++++++++++
 14 files changed, 1384 insertions(+), 339 deletions(-)
 create mode 100644 include/qemu/throttle.h
 create mode 100644 tests/test-throttle.c
 create mode 100644 util/throttle.c

-- 
1.7.10.4