Peter Zijlstra 3bed5e2166 sched/core: Add missing update_rq_clock() call for task_hot() ...

Add the update_rq_clock() call at the top of the callstack instead of
at the bottom where we find it missing, this to aid later effort to
minimize the number of update_rq_lock() calls.

  WARNING: CPU: 30 PID: 194 at ../kernel/sched/sched.h:797 assert_clock_updated()
  rq->clock_update_flags < RQCF_ACT_SKIP

  Call Trace:
    dump_stack()
    __warn()
    warn_slowpath_fmt()
    assert_clock_updated.isra.63.part.64()
    can_migrate_task()
    load_balance()
    pick_next_task_fair()
    __schedule()
    schedule()
    worker_thread()
    kthread()

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2017-01-14 11:29:34 +01:00

..

auto_group.c

sched/autogroup: Fix 64-bit kernel nice level adjustment

2016-11-24 05:45:02 +01:00

auto_group.h

sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()

2015-05-08 12:11:32 +02:00

clock.c

sched/clock: Make local_clock()/cpu_clock() inline

2016-04-13 12:25:22 +02:00

completion.c

sched/completion: Serialize completion_done() with complete()

2015-02-18 14:27:40 +01:00

core.c

sched/core: Add missing update_rq_clock() in detach_task_cfs_rq()

2017-01-14 11:29:33 +01:00

cpuacct.c

sched/cpuacct: Avoid %lld seq_printf warning

2016-11-16 10:29:03 +01:00

cpuacct.h

sched/cpuacct: Simplify the cpuacct code

2016-03-21 11:00:28 +01:00

cpudeadline.c

sched/deadline: Split cpudl_set() into cpudl_set() and cpudl_clear()

2016-09-05 13:29:43 +02:00

cpudeadline.h

sched/deadline: Split cpudl_set() into cpudl_set() and cpudl_clear()

2016-09-05 13:29:43 +02:00

cpufreq_schedutil.c

cpufreq: schedutil: Rectify comment in sugov_irq_work() function

2016-11-24 21:50:59 +01:00

cpufreq.c

cpufreq / sched: Pass flags to cpufreq_update_util()

2016-08-16 22:14:55 +02:00

cpupri.c

sched/core: Use tsk_cpus_allowed() instead of accessing ->cpus_allowed

2016-05-12 09:55:35 +02:00

cpupri.h

sched/cpupri: Remove unnecessary definitions in cpupri.h

2014-11-16 10:58:59 +01:00

cputime.c

sched/cputime: Rename vtime_account_user() to vtime_flush()

2017-01-14 09:54:13 +01:00

deadline.c

sched/core: Add wrappers for lockdep_(un)pin_lock()

2017-01-14 11:29:30 +01:00

debug.c

Merge branch 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

2016-10-14 12:18:50 -07:00

fair.c

sched/core: Add missing update_rq_clock() call for task_hot()

2017-01-14 11:29:34 +01:00

features.h

sched/fair: Convert arch_scale_cpu_capacity() from weak function to #define

2015-09-13 09:52:55 +02:00

idle_task.c

sched/core: Add wrappers for lockdep_(un)pin_lock()

2017-01-14 11:29:30 +01:00

idle.c

sched/idle: Add support for tasks that inject idle

2016-11-29 14:02:21 +01:00

loadavg.c

sched/core: Correct off by one bug in load migration calculation

2016-07-13 14:58:20 +02:00

Makefile

cpufreq: schedutil: New governor based on scheduler utilization data

2016-04-02 01:09:12 +02:00

rt.c

sched/core: Add wrappers for lockdep_(un)pin_lock()

2017-01-14 11:29:30 +01:00

sched.h

sched/core: Add wrappers for lockdep_(un)pin_lock()

2017-01-14 11:29:30 +01:00

stats.c

sched: use %*pb[l] to print bitmaps including cpumasks and nodemasks

2015-02-13 21:21:37 -08:00

stats.h

sched/debug: Rename 'schedstat_val()' -> 'schedstat_val_or_zero()'

2016-09-05 13:29:46 +02:00

stop_task.c

sched/core: Add wrappers for lockdep_(un)pin_lock()

2017-01-14 11:29:30 +01:00

swait.c

wait.[ch]: Introduce the simple waitqueue (swait) implementation

2016-02-25 11:27:16 +01:00

wait.c

mm: remove per-zone hashtable of bitlock waitqueues

2016-10-27 09:27:57 -07:00