diff options
| author | Bjoern B. Brandenburg <bbb@cs.unc.edu> | 2011-07-28 01:41:14 -0400 |
|---|---|---|
| committer | Christopher Kenna <cjk@cs.unc.edu> | 2011-10-10 17:29:37 -0400 |
| commit | d0d4d8dbb2c61fe2f693e4d9ded04489bddd7b53 (patch) | |
| tree | 5d4a917a54a249831ea2dfd37bdc0fecbb611e0d /litmus/sched_litmus.c | |
| parent | c9b77cc06d84ce3baad31da1e914615bcd8f0740 (diff) | |
Feather-Trace: Simplify syscall-in overhead tracing
Just stick TS_SYSCALL_IN_START into any
system call that needs tracing.
Diffstat (limited to 'litmus/sched_litmus.c')
| -rw-r--r-- | litmus/sched_litmus.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/litmus/sched_litmus.c b/litmus/sched_litmus.c index e6952896dc4b..231c86daa1f9 100644 --- a/litmus/sched_litmus.c +++ b/litmus/sched_litmus.c | |||
| @@ -194,6 +194,8 @@ static void dequeue_task_litmus(struct rq *rq, struct task_struct *p, | |||
| 194 | 194 | ||
| 195 | static void yield_task_litmus(struct rq *rq) | 195 | static void yield_task_litmus(struct rq *rq) |
| 196 | { | 196 | { |
| 197 | TS_SYSCALL_IN_START; | ||
| 198 | |||
| 197 | BUG_ON(rq->curr != current); | 199 | BUG_ON(rq->curr != current); |
| 198 | /* sched_yield() is called to trigger delayed preemptions. | 200 | /* sched_yield() is called to trigger delayed preemptions. |
| 199 | * Thus, mark the current task as needing to be rescheduled. | 201 | * Thus, mark the current task as needing to be rescheduled. |