[v2 0/6] dirtylimit: miscellaneous patches

[Hyman Huang]

v2:
- rebase on master.
- fix the document typo.

v1:
This is a miscellaneous patchset for dirtylimit that contains
the following parts:

1. dirtylimit module: fix for a race situation and
   replace usleep by g_usleep.
2. migration test: add dirtylimit test case.
3. guestperf for migration: add support for dirtylimit migration.
4. docs for migration: add dirtylimit section. 

Please review, thanks.

Regards,

Yong

Hyman Huang (6):
  system/dirtylimit: Fix a race situation
  system/dirtylimit: Drop the reduplicative check
  tests: Add migration dirty-limit capability test
  tests/migration: Introduce dirty-ring-size option into guestperf
  tests/migration: Introduce dirty-limit into guestperf
  docs/migration: Add the dirty limit section

 docs/devel/migration.rst                |  71 ++++++++++
 system/dirtylimit.c                     |  24 ++--
 tests/migration/guestperf/comparison.py |  23 ++++
 tests/migration/guestperf/engine.py     |  23 +++-
 tests/migration/guestperf/hardware.py   |   8 +-
 tests/migration/guestperf/progress.py   |  16 ++-
 tests/migration/guestperf/scenario.py   |  11 +-
 tests/migration/guestperf/shell.py      |  24 +++-
 tests/qtest/migration-test.c            | 164 ++++++++++++++++++++++++
 9 files changed, 346 insertions(+), 18 deletions(-)

-- 
2.39.1