[PATCH v4 0/2] Fix and extend cpu.stat

[Abel Wu]

Patch 1: fixes an issue that forceidle time can be inconsistant with
other cputimes.
Patch 2: extend run_delay accounting to cgroup to show how severely
a cgroup is stalled.

v4:
 - Fixed a Kconfig dependency issue. (0day robot)
v3:
 - Dropped the cleanup patch. (Tejun)
 - Modified 2nd patch's commit log.
v2:
 - Fixed internal function naming. (Michal Koutny)

Abel Wu (2):
  cgroup/rstat: Fix forceidle time in cpu.stat
  cgroup/rstat: Add run_delay accounting for cgroups

 include/linux/cgroup-defs.h |  3 +++
 include/linux/kernel_stat.h |  7 +++++
 kernel/cgroup/rstat.c       | 54 ++++++++++++++++++++++++++-----------
 kernel/sched/cputime.c      | 10 +++++++
 kernel/sched/stats.h        |  3 +++
 5 files changed, 61 insertions(+), 16 deletions(-)

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2.37.3