Hi all,
This patch set (based on v3.14-rc7) will fix an issue that
idle/iowait of /proc/stat can go backward. Originally reported
by Tetsuo and Fernando at last year, Mar 2013.
Reviews are welcome.
Thanks,
H.Seto
Hidetoshi Seto (2):
nohz: use seqlock to avoid race on idle time stats
nohz, procfs: introduce get_cpu_idle/iowait_time_coarse
fs/proc/stat.c | 16 ++---
include/linux/tick.h | 5 ++
kernel/time/tick-sched.c | 171 ++++++++++++++++++++++++++++++++++++++++------
3 files changed, 161 insertions(+), 31 deletions(-)
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