diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2013-04-12 01:51:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-05-28 09:40:27 +0200 |
| commit | 78becc27097585c6aec7043834cadde950ae79f2 (patch) | |
| tree | 3e8f0982faa2a456c1c68fa5e5a4c7c815194ae4 /kernel/sched/sched.h | |
| parent | 1a55af2e45cce0ff13bc33c8ee99da84e188b615 (diff) | |
sched: Use an accessor to read the rq clock
Read the runqueue clock through an accessor. This
prepares for adding a debugging infrastructure to
detect missing or redundant calls to update_rq_clock()
between a scheduler's entry and exit point.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Li Zhong <zhong@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul Turner <pjt@google.com>
Cc: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1365724262-20142-6-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index c806c61a1261..74ff659e964f 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -548,6 +548,16 @@ DECLARE_PER_CPU(struct rq, runqueues); #define cpu_curr(cpu) (cpu_rq(cpu)->curr) #define raw_rq() (&__raw_get_cpu_var(runqueues)) +static inline u64 rq_clock(struct rq *rq) +{ + return rq->clock; +} + +static inline u64 rq_clock_task(struct rq *rq) +{ + return rq->clock_task; +} + #ifdef CONFIG_SMP #define rcu_dereference_check_sched_domain(p) \ |