From 0ab94c3242742bfb540abeedb6bb98440146ac5b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Michal=20Koutn=C3=BD?= Date: Mon, 10 Mar 2025 18:04:41 +0100 Subject: [PATCH] sched: Add annotations to RT_GROUP_SCHED fields MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Update comments to ease RT throttling understanding. Signed-off-by: Michal Koutný Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20250310170442.504716-10-mkoutny@suse.com --- kernel/sched/sched.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 898aab7417bd..c5a6a503eb6d 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -813,17 +813,17 @@ struct rt_rq { #ifdef CONFIG_RT_GROUP_SCHED int rt_throttled; - u64 rt_time; - u64 rt_runtime; + u64 rt_time; /* consumed RT time, goes up in update_curr_rt */ + u64 rt_runtime; /* allotted RT time, "slice" from rt_bandwidth, RT sharing/balancing */ /* Nests inside the rq lock: */ raw_spinlock_t rt_runtime_lock; unsigned int rt_nr_boosted; - struct rq *rq; + struct rq *rq; /* this is always top-level rq, cache? */ #endif #ifdef CONFIG_CGROUP_SCHED - struct task_group *tg; + struct task_group *tg; /* this tg has "this" rt_rq on given CPU for runnable entities */ #endif }; -- 2.47.3