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Update patches/0003-bore-cachy-ext.patch

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ferreo 2024-10-10 18:22:46 +02:00
parent a280828878
commit dc2e5a6347
1 changed files with 27 additions and 26 deletions
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patches/0003-bore-cachy-ext.patch
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@ -1,6 +1,6 @@
From 02401e1df25c88de792f9f7261ac827e488e607b Mon Sep 17 00:00:00 2001
From e91f8d993bc2b1a1424cb2f5a931fe8f31eb97b9 Mon Sep 17 00:00:00 2001
From: Eric Naim <dnaim@cachyos.org>
Date: Fri, 4 Oct 2024 14:55:16 +0800
Date: Tue, 8 Oct 2024 23:02:55 +0800
Subject: [PATCH] bore-cachy-ext
Signed-off-by: Eric Naim <dnaim@cachyos.org>
@ -11,18 +11,18 @@ Signed-off-by: Eric Naim <dnaim@cachyos.org>
kernel/Kconfig.hz | 17 ++
kernel/fork.c | 5 +
kernel/sched/Makefile | 1 +
kernel/sched/bore.c | 380 +++++++++++++++++++++++++++++++++++++
kernel/sched/bore.c | 381 +++++++++++++++++++++++++++++++++++++
kernel/sched/core.c | 7 +
kernel/sched/debug.c | 60 +++++-
kernel/sched/fair.c | 102 ++++++++--
kernel/sched/features.h | 4 +
kernel/sched/sched.h | 7 +
12 files changed, 639 insertions(+), 18 deletions(-)
12 files changed, 640 insertions(+), 18 deletions(-)
create mode 100644 include/linux/sched/bore.h
create mode 100644 kernel/sched/bore.c
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5b4f78fe379d..bb4567e29671 100644
index c5a7901b2580..bab2d659b667 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -537,6 +537,14 @@ struct sched_statistics {
@ -163,7 +163,7 @@ index 0f78364efd4f..83a6b919ab29 100644
config SCHED_HRTICK
def_bool HIGH_RES_TIMERS
diff --git a/kernel/fork.c b/kernel/fork.c
index 69a0a7210060..68737ef70d5c 100644
index eb290420d926..8f060c73877b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -116,6 +116,8 @@
@ -175,7 +175,7 @@ index 69a0a7210060..68737ef70d5c 100644
#include <trace/events/sched.h>
#define CREATE_TRACE_POINTS
@@ -2354,6 +2356,9 @@ __latent_entropy struct task_struct *copy_process(
@@ -2351,6 +2353,9 @@ __latent_entropy struct task_struct *copy_process(
retval = sched_fork(clone_flags, p);
if (retval)
goto bad_fork_cleanup_policy;
@ -196,10 +196,10 @@ index 976092b7bd45..293aad675444 100644
+obj-y += bore.o
diff --git a/kernel/sched/bore.c b/kernel/sched/bore.c
new file mode 100644
index 000000000000..62a0191a32d7
index 000000000000..cd7e8a8d6075
--- /dev/null
+++ b/kernel/sched/bore.c
@@ -0,0 +1,380 @@
@@ -0,0 +1,381 @@
+/*
+ * Burst-Oriented Response Enhancer (BORE) CPU Scheduler
+ * Copyright (C) 2021-2024 Masahito Suzuki <firelzrd@gmail.com>
@ -320,6 +320,9 @@ index 000000000000..62a0191a32d7
+ }
+}
+
+static inline bool task_is_bore_eligible(struct task_struct *p)
+{return p->sched_class == &fair_sched_class;}
+
+static void reset_task_weights_bore(void) {
+ struct task_struct *task;
+ struct rq *rq;
@ -327,6 +330,7 @@ index 000000000000..62a0191a32d7
+
+ write_lock_irq(&tasklist_lock);
+ for_each_process(task) {
+ if (!task_is_bore_eligible(task)) continue;
+ rq = task_rq(task);
+ rq_lock_irqsave(rq, &rf);
+ reweight_task_by_prio(task, effective_prio(task));
@ -353,9 +357,6 @@ index 000000000000..62a0191a32d7
+ return cnt;
+}
+
+static inline bool task_is_bore_eligible(struct task_struct *p)
+{return p->sched_class == &fair_sched_class;}
+
+static inline bool burst_cache_expired(struct sched_burst_cache *bc, u64 now)
+{return (s64)(bc->timestamp + sched_burst_cache_lifetime - now) < 0;}
+
@ -581,7 +582,7 @@ index 000000000000..62a0191a32d7
+#endif // CONFIG_SYSCTL
+#endif // CONFIG_SCHED_BORE
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c792a6feb7a9..447ab2bb147e 100644
index 8ae04bd4a5a4..4aa992f99c36 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -97,6 +97,8 @@
@ -593,12 +594,12 @@ index c792a6feb7a9..447ab2bb147e 100644
EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_send_cpu);
EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_send_cpumask);
@@ -8283,6 +8285,11 @@ void __init sched_init(void)
@@ -8290,6 +8292,11 @@ void __init sched_init(void)
BUG_ON(!sched_class_above(&ext_sched_class, &idle_sched_class));
#endif
+#ifdef CONFIG_SCHED_BORE
+ printk(KERN_INFO "BORE (Burst-Oriented Response Enhancer) CPU Scheduler modification 5.6.0 by Masahito Suzuki");
+ printk(KERN_INFO "BORE (Burst-Oriented Response Enhancer) CPU Scheduler modification 5.6.1 by Masahito Suzuki");
+ init_task_bore(&init_task);
+#endif // CONFIG_SCHED_BORE
+
@ -713,7 +714,7 @@ index c057ef46c5f8..3cab39e34824 100644
P(se.avg.runnable_sum);
P(se.avg.util_sum);
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 2928026d76a3..90c96ecded2d 100644
index a36e37a674e8..603d72b9e6e8 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -55,6 +55,8 @@
@ -856,7 +857,7 @@ index 2928026d76a3..90c96ecded2d 100644
curr->vruntime += calc_delta_fair(delta_exec, curr);
update_deadline(cfs_rq, curr);
update_min_vruntime(cfs_rq);
@@ -3795,7 +3822,7 @@ static void reweight_eevdf(struct sched_entity *se, u64 avruntime,
@@ -3804,7 +3831,7 @@ static void reweight_eevdf(struct sched_entity *se, u64 avruntime,
se->deadline = avruntime + vslice;
}
@ -865,7 +866,7 @@ index 2928026d76a3..90c96ecded2d 100644
unsigned long weight)
{
bool curr = cfs_rq->curr == se;
@@ -5203,6 +5230,9 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
@@ -5212,6 +5239,9 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
*
* EEVDF: placement strategy #1 / #2
*/
@ -875,7 +876,7 @@ index 2928026d76a3..90c96ecded2d 100644
if (sched_feat(PLACE_LAG) && cfs_rq->nr_running) {
struct sched_entity *curr = cfs_rq->curr;
unsigned long load;
@@ -5273,6 +5303,16 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
@@ -5282,6 +5312,16 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
se->vruntime = vruntime - lag;
@ -892,7 +893,7 @@ index 2928026d76a3..90c96ecded2d 100644
/*
* When joining the competition; the existing tasks will be,
* on average, halfway through their slice, as such start tasks
@@ -5382,6 +5422,7 @@ static __always_inline void return_cfs_rq_runtime(struct cfs_rq *cfs_rq);
@@ -5391,6 +5431,7 @@ static __always_inline void return_cfs_rq_runtime(struct cfs_rq *cfs_rq);
static void
dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
{
@ -900,7 +901,7 @@ index 2928026d76a3..90c96ecded2d 100644
int action = UPDATE_TG;
if (entity_is_task(se) && task_on_rq_migrating(task_of(se)))
@@ -5409,6 +5450,11 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
@@ -5418,6 +5459,11 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
clear_buddies(cfs_rq, se);
update_entity_lag(cfs_rq, se);
@ -912,7 +913,7 @@ index 2928026d76a3..90c96ecded2d 100644
if (se != cfs_rq->curr)
__dequeue_entity(cfs_rq, se);
se->on_rq = 0;
@@ -6860,6 +6906,14 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
@@ -6869,6 +6915,14 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
bool was_sched_idle = sched_idle_rq(rq);
util_est_dequeue(&rq->cfs, p);
@ -927,7 +928,7 @@ index 2928026d76a3..90c96ecded2d 100644
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
@@ -8646,16 +8700,25 @@ static void yield_task_fair(struct rq *rq)
@@ -8651,16 +8705,25 @@ static void yield_task_fair(struct rq *rq)
/*
* Are we the only task in the tree?
*/
@ -953,7 +954,7 @@ index 2928026d76a3..90c96ecded2d 100644
/*
* Tell update_rq_clock() that we've just updated,
* so we don't do microscopic update in schedule()
@@ -12720,6 +12783,9 @@ static void task_fork_fair(struct task_struct *p)
@@ -12725,6 +12788,9 @@ static void task_fork_fair(struct task_struct *p)
curr = cfs_rq->curr;
if (curr)
update_curr(cfs_rq);
@ -963,7 +964,7 @@ index 2928026d76a3..90c96ecded2d 100644
place_entity(cfs_rq, se, ENQUEUE_INITIAL);
rq_unlock(rq, &rf);
}
@@ -12832,6 +12898,10 @@ static void attach_task_cfs_rq(struct task_struct *p)
@@ -12837,6 +12903,10 @@ static void attach_task_cfs_rq(struct task_struct *p)
static void switched_from_fair(struct rq *rq, struct task_struct *p)
{
@ -1016,4 +1017,4 @@ index 48d893de632b..62e7e9e5fd9c 100644
#ifdef CONFIG_SCHED_DEBUG
extern int sysctl_resched_latency_warn_ms;
--
2.46.2
2.47.0