diff options
author | Frederic Weisbecker <fweisbec@gmail.com> | 2013-04-11 23:51:02 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2013-05-28 07:40:27 (GMT) |
commit | 78becc27097585c6aec7043834cadde950ae79f2 (patch) | |
tree | 3e8f0982faa2a456c1c68fa5e5a4c7c815194ae4 /kernel/sched/stop_task.c | |
parent | 1a55af2e45cce0ff13bc33c8ee99da84e188b615 (diff) | |
download | linux-78becc27097585c6aec7043834cadde950ae79f2.tar.xz |
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/stop_task.c')
-rw-r--r-- | kernel/sched/stop_task.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c index da5eb5b..e08fbee 100644 --- a/kernel/sched/stop_task.c +++ b/kernel/sched/stop_task.c @@ -28,7 +28,7 @@ static struct task_struct *pick_next_task_stop(struct rq *rq) struct task_struct *stop = rq->stop; if (stop && stop->on_rq) { - stop->se.exec_start = rq->clock_task; + stop->se.exec_start = rq_clock_task(rq); return stop; } @@ -57,7 +57,7 @@ static void put_prev_task_stop(struct rq *rq, struct task_struct *prev) struct task_struct *curr = rq->curr; u64 delta_exec; - delta_exec = rq->clock_task - curr->se.exec_start; + delta_exec = rq_clock_task(rq) - curr->se.exec_start; if (unlikely((s64)delta_exec < 0)) delta_exec = 0; @@ -67,7 +67,7 @@ static void put_prev_task_stop(struct rq *rq, struct task_struct *prev) curr->se.sum_exec_runtime += delta_exec; account_group_exec_runtime(curr, delta_exec); - curr->se.exec_start = rq->clock_task; + curr->se.exec_start = rq_clock_task(rq); cpuacct_charge(curr, delta_exec); } @@ -79,7 +79,7 @@ static void set_curr_task_stop(struct rq *rq) { struct task_struct *stop = rq->stop; - stop->se.exec_start = rq->clock_task; + stop->se.exec_start = rq_clock_task(rq); } static void switched_to_stop(struct rq *rq, struct task_struct *p) |