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authorDaniel Bristot de Oliveira <bristot@kernel.org>2024-05-27 14:06:52 +0200
committerPeter Zijlstra <peterz@infradead.org>2024-07-29 12:22:36 +0200
commitd741f297bceaf52aa1b97b997708fc0cd853c73e (patch)
treec70dfacb6c7c3899d0fb2ddd7d321316a7646890 /kernel/sched/sched.h
parenta110a81c52a9de73e2e57e826dd3bf0fd4c22226 (diff)
sched/fair: Fair server interface
Add an interface for fair server setup on debugfs. Each CPU has two files under /debug/sched/fair_server/cpu{ID}: - runtime: set runtime in ns - period: set period in ns This then leaves /proc/sys/kernel/sched_rt_{period,runtime}_us to set bounds on admission control. The interface also add the server to the dl bandwidth accounting. Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Juri Lelli <juri.lelli@redhat.com> Link: https://lore.kernel.org/r/a9ef9fc69bcedb44bddc9bc34f2b313296052819.1716811044.git.bristot@kernel.org
Diffstat (limited to 'kernel/sched/sched.h')
-rw-r--r--kernel/sched/sched.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 64fb6776664e..b777ac361543 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -366,6 +366,9 @@ extern void dl_server_init(struct sched_dl_entity *dl_se, struct rq *rq,
extern void dl_server_update_idle_time(struct rq *rq,
struct task_struct *p);
extern void fair_server_init(struct rq *rq);
+extern void __dl_server_attach_root(struct sched_dl_entity *dl_se, struct rq *rq);
+extern int dl_server_apply_params(struct sched_dl_entity *dl_se,
+ u64 runtime, u64 period, bool init);
#ifdef CONFIG_CGROUP_SCHED