[Qemu-devel] [PATCH 0/6] calculate downtime for postcopy live migration

[Alexey Perevalov <a.perevalov@samsung.com>]

This patch set includes downtime calculation on destination,
sending it to source machine for statistics (query-migration).

Also additional traceses here for track down who was pagefault
initiator.

This patch set is based on master branch of git://git.qemu-project.org/qemu.git
base commit is commit 372b3fe0b2ecdd39ba850e31c0c6686315c507af.

It contains kernel side pages, just for convinience of applying current patch set,
for testing util kernel headers arn't synced.

Alexey Perevalov (6):
  userfault: add pid into uffd_msg & update UFFD_FEATURE_*
  util: introduce glib-helper.c
  migration: add UFFD_FEATURE_THREAD_ID feature support
  migration: calculate downtime on dst side
  migration: send postcopy downtime back to source
  migration: detailed traces for postcopy

 hw/block/xen_disk.c               |  10 +-
 include/glib-compat.h             | 352 --------------------------------------
 include/glib/glib-compat.h        | 352 ++++++++++++++++++++++++++++++++++++++
 include/glib/glib-helper.h        |  30 ++++
 include/migration/migration.h     |  18 +-
 include/migration/postcopy-ram.h  |   2 +-
 include/qemu/osdep.h              |   2 +-
 linux-headers/linux/userfaultfd.h |   5 +
 linux-user/main.c                 |   2 +-
 migration/migration.c             | 302 +++++++++++++++++++++++++++++++-
 migration/postcopy-ram.c          | 133 +++++++++++++-
 migration/qemu-file.c             |   1 -
 migration/savevm.c                |   2 +-
 migration/trace-events            |  15 +-
 scripts/clean-includes            |   2 +-
 util/Makefile.objs                |   1 +
 util/glib-helper.c                |  29 ++++
 17 files changed, 878 insertions(+), 380 deletions(-)
 delete mode 100644 include/glib-compat.h
 create mode 100644 include/glib/glib-compat.h
 create mode 100644 include/glib/glib-helper.h
 create mode 100644 util/glib-helper.c

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1.8.3.1