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Update patches/0002-bore-cachy.patch

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ferreo 2024-12-10 14:29:33 +01:00
parent 68ebab95ca
commit 34e4b65762
1 changed files with 17 additions and 36 deletions
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53
patches/0002-bore-cachy.patch
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@ -1,7 +1,7 @@
From edce20799f90ec9d9fb19b4733ad1ff48fa58450 Mon Sep 17 00:00:00 2001
From a439277c4230522e4cb7d320e524fb09c60ead98 Mon Sep 17 00:00:00 2001
From: Eric Naim <dnaim@cachyos.org>
Date: Fri, 6 Dec 2024 12:24:07 +0800
Subject: [PATCH] bore-cachy-5.8
Date: Fri, 6 Dec 2024 12:22:57 +0800
Subject: [PATCH] bore-cachy-5.7
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 | 426 +++++++++++++++++++++++++++++++++++++
kernel/sched/bore.c | 407 +++++++++++++++++++++++++++++++++++++
kernel/sched/core.c | 6 +
kernel/sched/debug.c | 61 +++++-
kernel/sched/fair.c | 88 ++++++--
kernel/sched/sched.h | 9 +
11 files changed, 669 insertions(+), 18 deletions(-)
11 files changed, 650 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..c3db800bd6e3
index 000000000000..f54f238ded13
--- /dev/null
+++ b/include/linux/sched/bore.h
@@ -0,0 +1,40 @@
@ -67,7 +67,7 @@ index 000000000000..c3db800bd6e3
+
+#ifndef _LINUX_SCHED_BORE_H
+#define _LINUX_SCHED_BORE_H
+#define SCHED_BORE_VERSION "5.8.10"
+#define SCHED_BORE_VERSION "5.7.10"
+
+#ifdef CONFIG_SCHED_BORE
+extern u8 __read_mostly sched_bore;
@ -190,17 +190,15 @@ 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..94517f26ca60
index 000000000000..e4a02de9db44
--- /dev/null
+++ b/kernel/sched/bore.c
@@ -0,0 +1,426 @@
@@ -0,0 +1,407 @@
+/*
+ * Burst-Oriented Response Enhancer (BORE) CPU Scheduler
+ * Copyright (C) 2021-2024 Masahito Suzuki <firelzrd@gmail.com>
+ */
+#include <linux/cpuset.h>
+#include <linux/rculist.h>
+#include <linux/rcupdate.h>
+#include <linux/sched/task.h>
+#include <linux/sched/bore.h>
+#include "sched.h"
@ -349,8 +347,7 @@ index 000000000000..94517f26ca60
+}
+
+#define for_each_child(p, t) \
+ list_for_each_entry_rcu(t, &(p)->children, sibling, \
+ lockdep_is_held(&tasklist_lock))
+ list_for_each_entry(t, &(p)->children, sibling)
+
+static u32 count_children_max2(struct task_struct *p) {
+ u32 cnt = 0;
@ -359,22 +356,6 @@ index 000000000000..94517f26ca60
+ return cnt;
+}
+
+static u32 count_children_max2_head(
+ struct task_struct *p, struct task_struct **first) {
+ struct list_head *head = &p->children;
+ struct task_struct *cursor;
+ u32 cnt = 0;
+ *first = cursor = list_first_or_null_rcu(head, struct task_struct, sibling);
+ if (cursor) {
+ cnt++;
+ list_for_each_entry_continue_rcu(cursor, head, sibling) {
+ cnt++;
+ break;
+ }
+ }
+ return cnt;
+}
+
+static inline bool burst_cache_expired(struct sched_burst_cache *bc, u64 now)
+{return (s64)(bc->timestamp + sched_burst_cache_lifetime - now) < 0;}
+
@ -410,11 +391,12 @@ index 000000000000..94517f26ca60
+static void update_child_burst_topological(
+ struct task_struct *p, u64 now, u32 depth, u32 *acnt, u32 *asum) {
+ u32 cnt = 0, dcnt = 0, sum = 0;
+ struct task_struct *child, *dec, *next;
+ struct task_struct *child, *dec;
+
+ for_each_child(p, child) {
+ dec = child;
+ while ((dcnt = count_children_max2_head(dec, &next)) == 1) {dec = next;}
+ while ((dcnt = count_children_max2(dec)) == 1)
+ dec = list_first_entry(&dec->children, struct task_struct, sibling);
+
+ if (!dcnt || !depth) {
+ if (!task_is_bore_eligible(dec)) continue;
@ -441,8 +423,7 @@ index 000000000000..94517f26ca60
+ u32 cnt = 0, sum = 0;
+
+ for (struct task_struct *next;
+ anc != (next = rcu_dereference(anc->real_parent)) &&
+ count_children_max2(anc) <= 1;
+ anc != (next = anc->real_parent) && count_children_max2(anc) <= 1;
+ anc = next) {}
+
+ if (burst_cache_expired(&anc->se.child_burst, now))
@ -480,7 +461,7 @@ index 000000000000..94517f26ca60
+
+ if (!task_is_bore_eligible(p)) return;
+
+ rcu_read_lock();
+ read_lock(&tasklist_lock);
+ now = jiffies_to_nsecs(jiffies);
+ if (clone_flags & CLONE_THREAD) {
+ penalty = inherit_burst_tg(parent, now);
@ -491,7 +472,7 @@ index 000000000000..94517f26ca60
+ inherit_burst_topological(parent, now):
+ inherit_burst_direct(parent, now);
+ }
+ rcu_read_unlock();
+ read_unlock(&tasklist_lock);
+
+ struct sched_entity *se = &p->se;
+ revolve_burst_penalty(se);
@ -1016,4 +997,4 @@ index c5d6012794de..ce3804c6fa5c 100644
#ifdef CONFIG_SCHED_DEBUG
extern int sysctl_resched_latency_warn_ms;
--
2.47.1
2.47.1