6.5 rc: Add EEVDF (Earliest Eligible Virtual Deadline First) scheduler from Peter Zijlstra.

Moved Zenify CFS tweaks to cfs-additions to prevent conflicts. Squashed from https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/tree/?h=sched/eevdf&id=d07f09a1f99cabbc86bc5c97d962eb8a466106b5
2023-08-14 11:45:13 +02:00
parent 64f8c32eae
commit 162820958b
3 changed files with 2866 additions and 98 deletions
--- a/linux-tkg-patches/6.5/0003-eevdf.patch
+++ b/linux-tkg-patches/6.5/0003-eevdf.patch
--- a/linux-tkg-patches/6.5/0003-glitched-base.patch
+++ b/linux-tkg-patches/6.5/0003-glitched-base.patch
@@ -128,13 +128,11 @@ index 3a98439bba83..6efc4f907f58 100644
 From f85ed068b4d0e6c31edce8574a95757a60e58b87 Mon Sep 17 00:00:00 2001
 From: Etienne Juvigny <Ti3noU@gmail.com>
 Date: Mon, 3 Sep 2018 17:36:25 +0200
-Subject: [PATCH 07/17] Zenify & stuff
+Subject: [PATCH 07/17] Add Zenify option

 ---
 init/Kconfig           | 32 ++++++++++++++++++++++++++++++++
- kernel/sched/fair.c    | 25 +++++++++++++++++++++++++
- mm/page-writeback.c    |  8 ++++++++
- 3 files changed, 65 insertions(+)
+ 1 file changed, 32 insertions(+)

 diff --git a/init/Kconfig b/init/Kconfig
 index 3ae8678e1145..da708eed0f1e 100644
@@ -179,100 +177,6 @@ index 3ae8678e1145..da708eed0f1e 100644
 config BROKEN
 	bool
 
-diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
-index 6b3b59cc51d6..2a0072192c3d 100644
--- a/kernel/sched/fair.c
-+++ b/kernel/sched/fair.c
-@@ -37,8 +37,13 @@
-  *
-  * (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds)
-  */
-+#ifdef CONFIG_ZENIFY
-+unsigned int sysctl_sched_latency			= 3000000ULL;
-+static unsigned int normalized_sysctl_sched_latency	= 3000000ULL;
-+#else
- unsigned int sysctl_sched_latency			= 6000000ULL;
- static unsigned int normalized_sysctl_sched_latency	= 6000000ULL;
-+#endif
- 
- /*
-  * The initial- and re-scaling of tunables is configurable
-@@ -58,21 +63,34 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_L
-  *
-  * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds)
-  */
-+#ifdef CONFIG_ZENIFY
-+unsigned int sysctl_sched_min_granularity			= 300000ULL;
-+static unsigned int normalized_sysctl_sched_min_granularity	= 300000ULL;
-+#else
- unsigned int sysctl_sched_min_granularity			= 750000ULL;
- static unsigned int normalized_sysctl_sched_min_granularity	= 750000ULL;
-+#endif
- 
- /*
-  * Minimal preemption granularity for CPU-bound SCHED_IDLE tasks.
-  * Applies only when SCHED_IDLE tasks compete with normal tasks.
-  *
-  * (default: 0.75 msec)
-  */
-+#ifdef CONFIG_ZENIFY
-+unsigned int sysctl_sched_idle_min_granularity			= 300000ULL;
-+#else
- unsigned int sysctl_sched_idle_min_granularity			= 750000ULL;
-+#endif
-
- /*
-  * This value is kept at sysctl_sched_latency/sysctl_sched_min_granularity
-  */
-+#ifdef CONFIG_ZENIFY
-+static unsigned int sched_nr_latency = 10;
-+#else
- static unsigned int sched_nr_latency = 8;
-+#endif
- 
- /*
-  * After fork, child runs first. If set to 0 (default) then
-@@ -128,8 +149,12 @@ int __weak arch_asym_cpu_priority(int cpu)
-  *
-  * (default: 5 msec, units: microseconds)
-  */
-+#ifdef CONFIG_ZENIFY
-+static unsigned int sysctl_sched_cfs_bandwidth_slice		= 3000UL;
-+#else
- static unsigned int sysctl_sched_cfs_bandwidth_slice		= 5000UL;
- #endif
-+#endif
- 
- #ifdef CONFIG_SYSCTL
- static struct ctl_table sched_fair_sysctls[] = {
-diff --git a/mm/page-writeback.c b/mm/page-writeback.c
-index 28b3e7a67565..01a1aef2b9b1 100644
--- a/mm/page-writeback.c
-+++ b/mm/page-writeback.c
-@@ -71,7 +71,11 @@ static long ratelimit_pages = 32;
- /*
-  * Start background writeback (via writeback threads) at this percentage
-  */
-+#ifdef CONFIG_ZENIFY
-+static int dirty_background_ratio = 20;
-+#else
- static int dirty_background_ratio = 10;
-+#endif
- 
- /*
-  * dirty_background_bytes starts at 0 (disabled) so that it is a function of
-@@ -88,7 +92,11 @@ int vm_highmem_is_dirtyable;
- /*
-  * The generator of dirty data starts writeback at this percentage
-  */
-+#ifdef CONFIG_ZENIFY
-+static int vm_dirty_ratio = 50;
-+#else
- static int vm_dirty_ratio = 20;
-+#endif
- 
- /*
-  * vm_dirty_bytes starts at 0 (disabled) so that it is a function of
 -- 
 2.28.0

--- a/linux-tkg-patches/6.5/0003-glitched-cfs-additions.patch
+++ b/linux-tkg-patches/6.5/0003-glitched-cfs-additions.patch
@@ -34,3 +34,109 @@ index 051aaf65c..705df5511 100644
 static DEFINE_MUTEX(sched_energy_mutex);
 static bool sched_energy_update;

+From f85ed068b4d0e6c31edce8574a95757a60e58b87 Mon Sep 17 00:00:00 2001
+From: Etienne Juvigny <Ti3noU@gmail.com>
+Date: Mon, 3 Sep 2018 17:36:25 +0200
+Subject: [PATCH] Zenify & stuff
+
+---
+ kernel/sched/fair.c    | 25 +++++++++++++++++++++++++
+ mm/page-writeback.c    |  8 ++++++++
+ 2 files changed, 33 insertions(+)
+
+diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
+index 6b3b59cc51d6..2a0072192c3d 100644
+--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
+@@ -37,8 +37,13 @@
+  *
+  * (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds)
+  */
+#ifdef CONFIG_ZENIFY
+unsigned int sysctl_sched_latency			= 3000000ULL;
+static unsigned int normalized_sysctl_sched_latency	= 3000000ULL;
+#else
+ unsigned int sysctl_sched_latency			= 6000000ULL;
+ static unsigned int normalized_sysctl_sched_latency	= 6000000ULL;
+#endif
+ 
+ /*
+  * The initial- and re-scaling of tunables is configurable
+@@ -58,21 +63,34 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_L
+  *
+  * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds)
+  */
+#ifdef CONFIG_ZENIFY
+unsigned int sysctl_sched_min_granularity			= 300000ULL;
+static unsigned int normalized_sysctl_sched_min_granularity	= 300000ULL;
+#else
+ unsigned int sysctl_sched_min_granularity			= 750000ULL;
+ static unsigned int normalized_sysctl_sched_min_granularity	= 750000ULL;
+#endif
+ 
+ /*
+  * Minimal preemption granularity for CPU-bound SCHED_IDLE tasks.
+  * Applies only when SCHED_IDLE tasks compete with normal tasks.
+  *
+  * (default: 0.75 msec)
+  */
+#ifdef CONFIG_ZENIFY
+unsigned int sysctl_sched_idle_min_granularity			= 300000ULL;
+#else
+ unsigned int sysctl_sched_idle_min_granularity			= 750000ULL;
+#endif
+
+ /*
+  * This value is kept at sysctl_sched_latency/sysctl_sched_min_granularity
+  */
+#ifdef CONFIG_ZENIFY
+static unsigned int sched_nr_latency = 10;
+#else
+ static unsigned int sched_nr_latency = 8;
+#endif
+ 
+ /*
+  * After fork, child runs first. If set to 0 (default) then
+@@ -128,8 +149,12 @@ int __weak arch_asym_cpu_priority(int cpu)
+  *
+  * (default: 5 msec, units: microseconds)
+  */
+#ifdef CONFIG_ZENIFY
+static unsigned int sysctl_sched_cfs_bandwidth_slice		= 3000UL;
+#else
+ static unsigned int sysctl_sched_cfs_bandwidth_slice		= 5000UL;
+ #endif
+#endif
+ 
+ #ifdef CONFIG_SYSCTL
+ static struct ctl_table sched_fair_sysctls[] = {
+diff --git a/mm/page-writeback.c b/mm/page-writeback.c
+index 28b3e7a67565..01a1aef2b9b1 100644
+--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
+@@ -71,7 +71,11 @@ static long ratelimit_pages = 32;
+ /*
+  * Start background writeback (via writeback threads) at this percentage
+  */
+#ifdef CONFIG_ZENIFY
+static int dirty_background_ratio = 20;
+#else
+ static int dirty_background_ratio = 10;
+#endif
+ 
+ /*
+  * dirty_background_bytes starts at 0 (disabled) so that it is a function of
+@@ -88,7 +92,11 @@ int vm_highmem_is_dirtyable;
+ /*
+  * The generator of dirty data starts writeback at this percentage
+  */
+#ifdef CONFIG_ZENIFY
+static int vm_dirty_ratio = 50;
+#else
+ static int vm_dirty_ratio = 20;
+#endif
+ 
+ /*
+  * vm_dirty_bytes starts at 0 (disabled) so that it is a function of
+-- 
+2.28.0