diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2023-11-04 11:59:18 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-11-15 09:57:48 +0100 |
| commit | 5d69eca542ee17c618f9a55da52191d5e28b435f (patch) | |
| tree | ada1a9eabd52e3b77f3cc5c56ca60c038404b481 /kernel/sched/rt.c | |
| parent | ee4373dc902c0a403dd084b254ce70a78f95466f (diff) | |
sched: Unify runtime accounting across classes
All classes use sched_entity::exec_start to track runtime and have
copies of the exact same code around to compute runtime.
Collapse all that.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Phil Auld <pauld@redhat.com>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lkml.kernel.org/r/54d148a144f26d9559698c4dd82d8859038a7380.1699095159.git.bristot@kernel.org
Diffstat (limited to 'kernel/sched/rt.c')
| -rw-r--r-- | kernel/sched/rt.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 6aaf0a3d6081..3261b067b67e 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1002,24 +1002,15 @@ static void update_curr_rt(struct rq *rq) { struct task_struct *curr = rq->curr; struct sched_rt_entity *rt_se = &curr->rt; - u64 delta_exec; - u64 now; + s64 delta_exec; if (curr->sched_class != &rt_sched_class) return; - now = rq_clock_task(rq); - delta_exec = now - curr->se.exec_start; - if (unlikely((s64)delta_exec <= 0)) + delta_exec = update_curr_common(rq); + if (unlikely(delta_exec <= 0)) return; - schedstat_set(curr->stats.exec_max, - max(curr->stats.exec_max, delta_exec)); - - trace_sched_stat_runtime(curr, delta_exec, 0); - - update_current_exec_runtime(curr, now, delta_exec); - if (!rt_bandwidth_enabled()) return; |