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Update patches/0002-bore-cachy.patch

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ferreo 2024-12-15 15:28:25 +01:00
parent d3b9d231c2
commit 9f8a0891d9
1 changed files with 42 additions and 25 deletions
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65
patches/0002-bore-cachy.patch
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@ -1,7 +1,7 @@
From a439277c4230522e4cb7d320e524fb09c60ead98 Mon Sep 17 00:00:00 2001
From d5457aadc3cf13e70807fcd568468bf5ee6ce310 Mon Sep 17 00:00:00 2001
From: Eric Naim <dnaim@cachyos.org>
Date: Fri, 6 Dec 2024 12:22:57 +0800
Subject: [PATCH] bore-cachy-5.7
Date: Thu, 12 Dec 2024 16:30:54 +0800
Subject: [PATCH] bore-cachy
Signed-off-by: Eric Naim <dnaim@cachyos.org>
---
@ -11,12 +11,12 @@ Signed-off-by: Eric Naim <dnaim@cachyos.org>
kernel/Kconfig.hz | 17 ++
kernel/fork.c | 5 +
kernel/sched/Makefile | 1 +
kernel/sched/bore.c | 407 +++++++++++++++++++++++++++++++++++++
kernel/sched/bore.c | 423 +++++++++++++++++++++++++++++++++++++
kernel/sched/core.c | 6 +
kernel/sched/debug.c | 61 +++++-
kernel/sched/fair.c | 88 ++++++--
kernel/sched/sched.h | 9 +
11 files changed, 650 insertions(+), 18 deletions(-)
11 files changed, 666 insertions(+), 18 deletions(-)
create mode 100644 include/linux/sched/bore.h
create mode 100644 kernel/sched/bore.c
@ -57,7 +57,7 @@ index bb343136ddd0..c86185f87e7b 100644
diff --git a/include/linux/sched/bore.h b/include/linux/sched/bore.h
new file mode 100644
index 000000000000..f54f238ded13
index 000000000000..4f3d3cbefe3c
--- /dev/null
+++ b/include/linux/sched/bore.h
@@ -0,0 +1,40 @@
@ -67,7 +67,7 @@ index 000000000000..f54f238ded13
+
+#ifndef _LINUX_SCHED_BORE_H
+#define _LINUX_SCHED_BORE_H
+#define SCHED_BORE_VERSION "5.7.10"
+#define SCHED_BORE_VERSION "5.7.13"
+
+#ifdef CONFIG_SCHED_BORE
+extern u8 __read_mostly sched_bore;
@ -190,10 +190,10 @@ 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..e4a02de9db44
index 000000000000..da1edca15414
--- /dev/null
+++ b/kernel/sched/bore.c
@@ -0,0 +1,407 @@
@@ -0,0 +1,423 @@
+/*
+ * Burst-Oriented Response Enhancer (BORE) CPU Scheduler
+ * Copyright (C) 2021-2024 Masahito Suzuki <firelzrd@gmail.com>
@ -317,7 +317,7 @@ index 000000000000..e4a02de9db44
+}
+
+static inline bool task_is_bore_eligible(struct task_struct *p)
+{return p->sched_class == &fair_sched_class;}
+{return p && p->sched_class == &fair_sched_class && !p->exit_state;}
+
+static void reset_task_weights_bore(void) {
+ struct task_struct *task;
@ -380,8 +380,13 @@ index 000000000000..e4a02de9db44
+ update_burst_cache(&p->se.child_burst, p, cnt, sum, now);
+}
+
+static inline u8 inherit_burst_direct(struct task_struct *p, u64 now) {
+static inline u8 inherit_burst_direct(
+ struct task_struct *p, u64 now, u64 clone_flags) {
+ struct task_struct *parent = p;
+
+ if (clone_flags & CLONE_PARENT)
+ parent = parent->real_parent;
+
+ if (burst_cache_expired(&parent->se.child_burst, now))
+ update_child_burst_direct(parent, now);
+
@ -418,13 +423,23 @@ index 000000000000..e4a02de9db44
+ *asum += sum;
+}
+
+static inline u8 inherit_burst_topological(struct task_struct *p, u64 now) {
+static inline u8 inherit_burst_topological(
+ struct task_struct *p, u64 now, u64 clone_flags) {
+ struct task_struct *anc = p;
+ u32 cnt = 0, sum = 0;
+ u32 base_child_cnt = 0;
+
+ if (clone_flags & CLONE_PARENT) {
+ anc = anc->real_parent;
+ base_child_cnt = 1;
+ }
+
+ for (struct task_struct *next;
+ anc != (next = anc->real_parent) && count_children_max2(anc) <= 1;
+ anc = next) {}
+ anc != (next = anc->real_parent) &&
+ count_children_max2(anc) <= base_child_cnt;) {
+ anc = next;
+ base_child_cnt = 1;
+ }
+
+ if (burst_cache_expired(&anc->se.child_burst, now))
+ update_child_burst_topological(
@ -447,7 +462,7 @@ index 000000000000..e4a02de9db44
+}
+
+static inline u8 inherit_burst_tg(struct task_struct *p, u64 now) {
+ struct task_struct *parent = p->group_leader;
+ struct task_struct *parent = rcu_dereference(p->group_leader);
+ if (burst_cache_expired(&parent->se.group_burst, now))
+ update_tg_burst(parent, now);
+
@ -461,18 +476,19 @@ index 000000000000..e4a02de9db44
+
+ if (!task_is_bore_eligible(p)) return;
+
+ read_lock(&tasklist_lock);
+ now = jiffies_to_nsecs(jiffies);
+ if (clone_flags & CLONE_THREAD) {
+ rcu_read_lock();
+ now = jiffies_to_nsecs(jiffies);
+ penalty = inherit_burst_tg(parent, now);
+ rcu_read_unlock();
+ } else {
+ if (clone_flags & CLONE_PARENT)
+ parent = parent->real_parent;
+ read_lock(&tasklist_lock);
+ now = jiffies_to_nsecs(jiffies);
+ penalty = likely(sched_burst_fork_atavistic) ?
+ inherit_burst_topological(parent, now):
+ inherit_burst_direct(parent, now);
+ inherit_burst_topological(parent, now, clone_flags):
+ inherit_burst_direct(parent, now, clone_flags);
+ read_unlock(&tasklist_lock);
+ }
+ read_unlock(&tasklist_lock);
+
+ struct sched_entity *se = &p->se;
+ revolve_burst_penalty(se);
@ -602,7 +618,7 @@ index 000000000000..e4a02de9db44
+#endif // CONFIG_SYSCTL
+#endif // CONFIG_SCHED_BORE
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a1c353a62c56..4dc0c98c1afd 100644
index 76b27b2a9c56..7371dff0c158 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -97,6 +97,8 @@
@ -614,7 +630,7 @@ index a1c353a62c56..4dc0c98c1afd 100644
EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_send_cpu);
EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_send_cpumask);
@@ -8380,6 +8382,10 @@ void __init sched_init(void)
@@ -8377,6 +8379,10 @@ void __init sched_init(void)
BUG_ON(!sched_class_above(&ext_sched_class, &idle_sched_class));
#endif
@ -998,3 +1014,4 @@ index c5d6012794de..ce3804c6fa5c 100644
extern int sysctl_resched_latency_warn_ms;
--
2.47.1