Update patches/0002-bore-cachy.patch
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@ -1,6 +1,6 @@
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From 7e3749e5ee5c5e1e078dde5ad95bf68d7dd510b3 Mon Sep 17 00:00:00 2001
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From f88ecfd06f1641c3b03ad36b5ed0e3f62aa6972d Mon Sep 17 00:00:00 2001
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From: Piotr Gorski <lucjan.lucjanov@gmail.com>
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Date: Thu, 5 Dec 2024 13:24:02 +0100
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Date: Thu, 5 Dec 2024 22:52:18 +0100
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Subject: [PATCH] bore-cachy
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Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
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@ -11,17 +11,17 @@ Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
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kernel/Kconfig.hz | 17 ++
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kernel/fork.c | 5 +
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kernel/sched/Makefile | 1 +
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kernel/sched/bore.c | 412 +++++++++++++++++++++++++++++++++++++
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kernel/sched/bore.c | 410 +++++++++++++++++++++++++++++++++++++
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kernel/sched/core.c | 6 +
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kernel/sched/debug.c | 61 +++++-
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kernel/sched/fair.c | 88 ++++++--
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kernel/sched/sched.h | 9 +
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11 files changed, 655 insertions(+), 18 deletions(-)
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11 files changed, 653 insertions(+), 18 deletions(-)
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create mode 100644 include/linux/sched/bore.h
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create mode 100644 kernel/sched/bore.c
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diff --git a/include/linux/sched.h b/include/linux/sched.h
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index bb343136ddd0..c86185f87e7b 100644
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index bb343136d..c86185f87 100644
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--- a/include/linux/sched.h
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+++ b/include/linux/sched.h
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@@ -538,6 +538,14 @@ struct sched_statistics {
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@ -57,7 +57,7 @@ index bb343136ddd0..c86185f87e7b 100644
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diff --git a/include/linux/sched/bore.h b/include/linux/sched/bore.h
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new file mode 100644
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index 000000000000..14d8f260ad6c
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index 000000000..14d8f260a
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--- /dev/null
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+++ b/include/linux/sched/bore.h
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@@ -0,0 +1,40 @@
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@ -102,10 +102,10 @@ index 000000000000..14d8f260ad6c
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+#endif // CONFIG_SCHED_BORE
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+#endif // _LINUX_SCHED_BORE_H
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diff --git a/init/Kconfig b/init/Kconfig
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index 504e8a7c4e2a..43daffa3ee03 100644
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index 857869dbc..9bd4551a7 100644
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--- a/init/Kconfig
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+++ b/init/Kconfig
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@@ -1360,6 +1360,23 @@ config CHECKPOINT_RESTORE
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@@ -1361,6 +1361,23 @@ config CHECKPOINT_RESTORE
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If unsure, say N here.
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@ -130,7 +130,7 @@ index 504e8a7c4e2a..43daffa3ee03 100644
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bool "Automatic process group scheduling"
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select CGROUPS
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diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
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index 0f78364efd4f..83a6b919ab29 100644
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index 0f78364ef..83a6b919a 100644
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--- a/kernel/Kconfig.hz
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+++ b/kernel/Kconfig.hz
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@@ -79,5 +79,22 @@ config HZ
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@ -157,7 +157,7 @@ index 0f78364efd4f..83a6b919ab29 100644
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config SCHED_HRTICK
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def_bool HIGH_RES_TIMERS
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diff --git a/kernel/fork.c b/kernel/fork.c
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index 8287afdd01d2..e4274ce3ac32 100644
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index e97e527ce..d40105f4b 100644
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--- a/kernel/fork.c
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+++ b/kernel/fork.c
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@@ -117,6 +117,8 @@
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@ -169,7 +169,7 @@ index 8287afdd01d2..e4274ce3ac32 100644
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#include <trace/events/sched.h>
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#define CREATE_TRACE_POINTS
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@@ -2352,6 +2354,9 @@ __latent_entropy struct task_struct *copy_process(
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@@ -2372,6 +2374,9 @@ __latent_entropy struct task_struct *copy_process(
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retval = sched_fork(clone_flags, p);
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if (retval)
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goto bad_fork_cleanup_policy;
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@ -180,7 +180,7 @@ index 8287afdd01d2..e4274ce3ac32 100644
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retval = perf_event_init_task(p, clone_flags);
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if (retval)
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diff --git a/kernel/sched/Makefile b/kernel/sched/Makefile
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index 976092b7bd45..293aad675444 100644
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index 976092b7b..293aad675 100644
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--- a/kernel/sched/Makefile
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+++ b/kernel/sched/Makefile
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@@ -32,3 +32,4 @@ obj-y += core.o
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@ -190,10 +190,10 @@ index 976092b7bd45..293aad675444 100644
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+obj-y += bore.o
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diff --git a/kernel/sched/bore.c b/kernel/sched/bore.c
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new file mode 100644
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index 000000000000..96a9177f003a
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index 000000000..e3e7ef8ea
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--- /dev/null
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+++ b/kernel/sched/bore.c
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@@ -0,0 +1,412 @@
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@@ -0,0 +1,410 @@
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+/*
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+ * Burst-Oriented Response Enhancer (BORE) CPU Scheduler
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+ * Copyright (C) 2021-2024 Masahito Suzuki <firelzrd@gmail.com>
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@ -349,8 +349,6 @@ index 000000000000..96a9177f003a
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+#define for_each_child(p, t) \
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+ list_for_each_entry(t, &(p)->children, sibling)
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+
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+#define has_no_child(p) list_empty(&(p)->children)
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+
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+static u32 count_children_max2(struct task_struct *p) {
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+ u32 cnt = 0;
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+ struct task_struct *child;
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@ -427,7 +425,7 @@ index 000000000000..96a9177f003a
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+ u32 cnt = 0, sum = 0;
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+
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+ for (struct task_struct *next;
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+ anc != (next = anc->real_parent) && has_no_child(anc);
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+ anc != (next = anc->real_parent) && count_children_max2(anc) <= 1;
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+ anc = next) {}
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+
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+ if (burst_cache_expired(&anc->se.child_burst, now))
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@ -607,7 +605,7 @@ index 000000000000..96a9177f003a
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+#endif // CONFIG_SYSCTL
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+#endif // CONFIG_SCHED_BORE
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diff --git a/kernel/sched/core.c b/kernel/sched/core.c
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index a1c353a62c56..4dc0c98c1afd 100644
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index a1c353a62..4dc0c98c1 100644
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--- a/kernel/sched/core.c
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+++ b/kernel/sched/core.c
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@@ -97,6 +97,8 @@
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@ -631,7 +629,7 @@ index a1c353a62c56..4dc0c98c1afd 100644
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#ifdef CONFIG_FAIR_GROUP_SCHED
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diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
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index f4035c7a0fa1..0edb3a216f5d 100644
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index f4035c7a0..0edb3a216 100644
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--- a/kernel/sched/debug.c
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+++ b/kernel/sched/debug.c
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@@ -167,7 +167,53 @@ static const struct file_operations sched_feat_fops = {
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@ -739,7 +737,7 @@ index f4035c7a0fa1..0edb3a216f5d 100644
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P(se.avg.runnable_sum);
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P(se.avg.util_sum);
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diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
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index 54e7c4c3e2c5..94c54154a175 100644
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index 54e7c4c3e..94c54154a 100644
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--- a/kernel/sched/fair.c
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+++ b/kernel/sched/fair.c
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@@ -55,6 +55,8 @@
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@ -973,7 +971,7 @@ index 54e7c4c3e2c5..94c54154a175 100644
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}
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diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
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index c5d6012794de..ce3804c6fa5c 100644
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index c5d601279..ce3804c6f 100644
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--- a/kernel/sched/sched.h
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+++ b/kernel/sched/sched.h
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@@ -2075,7 +2075,11 @@ static inline void update_sched_domain_debugfs(void) { }
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@ -1003,3 +1001,4 @@ index c5d6012794de..ce3804c6fa5c 100644
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extern int sysctl_resched_latency_warn_ms;
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--
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2.47.1
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