From 647de517b08e77b9b5f76d6853dddc759b8df0b4 Mon Sep 17 00:00:00 2001 From: Dario Faggioli Date: Fri, 23 Jun 2017 12:55:19 +0200 Subject: [PATCH] xen: RTDS: rearrange members of control structures Nothing changed in `pahole` output, in terms of holes and padding, but some fields have been moved, to put related members in same cache line. Signed-off-by: Dario Faggioli Acked-by: George Dunlap --- xen/common/sched_rt.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/xen/common/sched_rt.c b/xen/common/sched_rt.c index 1b3001497c..39f6bee47a 100644 --- a/xen/common/sched_rt.c +++ b/xen/common/sched_rt.c @@ -171,11 +171,14 @@ static void repl_timer_handler(void *data); struct rt_private { spinlock_t lock; /* the global coarse-grained lock */ struct list_head sdom; /* list of availalbe domains, used for dump */ + struct list_head runq; /* ordered list of runnable vcpus */ struct list_head depletedq; /* unordered list of depleted vcpus */ + + struct timer *repl_timer; /* replenishment timer */ struct list_head replq; /* ordered list of vcpus that need replenishment */ + cpumask_t tickled; /* cpus been tickled */ - struct timer *repl_timer; /* replenishment timer */ }; /* @@ -185,10 +188,6 @@ struct rt_vcpu { struct list_head q_elem; /* on the runq/depletedq list */ struct list_head replq_elem; /* on the replenishment events list */ - /* Up-pointers */ - struct rt_dom *sdom; - struct vcpu *vcpu; - /* VCPU parameters, in nanoseconds */ s_time_t period; s_time_t budget; @@ -198,6 +197,10 @@ struct rt_vcpu { s_time_t last_start; /* last start time */ s_time_t cur_deadline; /* current deadline for EDF */ + /* Up-pointers */ + struct rt_dom *sdom; + struct vcpu *vcpu; + unsigned flags; /* mark __RTDS_scheduled, etc.. */ }; -- 2.39.5