linux57-rc-tkg: PDS and BMQ return. MuQSS is more annoying, so let's do that later.

linux57-rc-tkg/PKGBUILD

@@ -53,26 +53,22 @@ fi
 
 # CPU SCHED selector
 if [ -z "$_cpusched" ] && [ ! -e "$_where"/cpuschedset ]; then
-#  plain "What CPU sched variant do you want to build/install?"
+  plain "What CPU sched variant do you want to build/install?"
-#  read -rp "`echo $'  > 1.PDS\n    2.MuQSS\n    3.BMQ\n    4.CFS\nchoice[1-4?]: '`" CONDITION;
+  read -rp "`echo $'  > 1.PDS\n    2.BMQ\n    3.CFS\nchoice[1-3?]: '`" CONDITION;
-#  if [ "$CONDITION" == "2" ]; then
+  if [ "$CONDITION" == "2" ]; then
-#    echo "_cpusched=\"MuQSS\"" > "$_where"/cpuschedset
+    echo "_cpusched=\"bmq\"" > "$_where"/cpuschedset
-#  elif [ "$CONDITION" == "3" ]; then
+  elif [ "$CONDITION" == "3" ]; then
-#    echo "_cpusched=\"bmq\"" > "$_where"/cpuschedset
-#  elif [ "$CONDITION" == "4" ]; then
     echo "_cpusched=\"cfs\"" > "$_where"/cpuschedset
-#  else
+  else
-#    echo "_cpusched=\"pds\"" > "$_where"/cpuschedset
+    echo "_cpusched=\"pds\"" > "$_where"/cpuschedset
-#  fi
+  fi
   if [ -n "$_custom_pkgbase" ]; then
     echo "_custom_pkgbase=\"${_custom_pkgbase}\"" >> "$_where"/cpuschedset
   fi
-#elif [ "$_cpusched" == "muqss" ] || [ "$_cpusched" == "MuQSS" ]; then
+elif [ "$_cpusched" == "pds" ]; then
-#  echo "_cpusched=\"MuQSS\"" > "$_where"/cpuschedset
+  echo "_cpusched=\"pds\"" > "$_where"/cpuschedset
-#elif [ "$_cpusched" == "pds" ]; then
+elif [ "$_cpusched" == "bmq" ]; then
-#  echo "_cpusched=\"pds\"" > "$_where"/cpuschedset
+  echo "_cpusched=\"bmq\"" > "$_where"/cpuschedset
-#elif [ "$_cpusched" == "bmq" ]; then
-#  echo "_cpusched=\"bmq\"" > "$_where"/cpuschedset
 else
   echo "_cpusched=\"cfs\"" > "$_where"/cpuschedset
 fi
@@ -109,27 +105,33 @@ source=("https://git.kernel.org/torvalds/t/linux-${_basekernel}-${_sub}.tar.gz"
 #        0004-glitched-ondemand-muqss.patch
 #        0004-glitched-muqss.patch
 #        0004-5.7-ck1.patch
-#        0005-glitched-ondemand-pds.patch
+        0005-glitched-ondemand-pds.patch
-#        0005-glitched-pds.patch
+        0005-glitched-pds.patch
-#        0005-v5.7_undead-pds099o.patch
+        0005-v5.7_undead-pds099o.patch
         0006-add-acs-overrides_iommu.patch
         0007-v5.7-fsync.patch
         #0008-5.6-bcachefs.patch
-#        0009-glitched-ondemand-bmq.patch
+        0009-glitched-ondemand-bmq.patch
-#        0009-glitched-bmq.patch
+        0009-glitched-bmq.patch
-#        0009-bmq_v5.7-r0.patch
+        0009-bmq_v5.7-r0.patch
         0011-ZFS-fix.patch
         #0012-linux-hardened.patch
         0013-tp_smapi_ec.patch
 )
 sha256sums=('b2367bfb8247f821620d76305580caa1cc4f25ab31cabe3ad61c385d4ddf6df6'
-            '46a362f76188c1c409776f7b1a8852efb42b8f7ea49951f29ee565587133370a'
+            '46545c4d30016927eef958fd1de3741f6ef25b99e14bd466b3e70e09a9256d34'
             '31dc68e84aecfb7d069efb1305049122c65694676be8b955634abcf0675922a2'
             'd02bf5ca08fd610394b9d3a0c3b176d74af206f897dee826e5cbaec97bb4a4aa'
             '3eec6cf265fc76428dac1a9bd9894307bab1564bc7583c4d8b9274e5287225ae'
             '7058e57fd68367b029adc77f2a82928f1433daaf02c8c279cb2d13556c8804d7'
+            '62496f9ca788996181ef145f96ad26291282fcc3fb95cdc04080dcf84365be33'
+            '7fd8e776209dac98627453fda754bdf9aff4a09f27cb0b3766d7983612eb3c74'
+            '5cfa69b15f02c6ff2526e604027af36716ff10908f6bd379d8f4529490ad1ce5'
             '19661ec0d39f9663452b34433214c755179894528bf73a42f6ba52ccf572832a'
             '2d9260b80b43bbd605cf420d6bd53aa7262103dfd77196ba590ece5600b6dc0d'
+            '9fad4a40449e09522899955762c8928ae17f4cdaa16e01239fd12592e9d58177'
+            '965a517a283f265a012545fbb5cc9e516efc9f6166d2aa1baf7293a32a1086b7'
+            '0ae69a3486ab9f24d1f51d7bb46ef90ca597934a05fd2a93bc4affa12025ac9a'
             '49262ce4a8089fa70275aad742fc914baa28d9c384f710c9a62f64796d13e104'
             '7ba451d95d2bc07d983661a7e9602a9b239522c98d42197c706c01905f0efba2')
 

linux57-rc-tkg/README.md

@@ -1,8 +1,16 @@
 **Due to intel_pstate poor performances as of late, I have decided to set it to passive mode to make use of the acpi_cpufreq governors passthrough, keeping full support for turbo frequencies.**
 
-### Not compatible with Nvidia proprietary driver currently
+### MuQSS is not yet an available option for this revision
 
-A custom Linux kernel 5.7 RC with added tweaks for a nice interactivity/performance balance, aiming for the best gaming experience.
+A custom Linux kernel 5.7 RC with specific PDS and BMQ CPU schedulers related patchsets selector (stock CFS is also an option) and added tweaks for a nice interactivity/performance balance, aiming for the best gaming experience.
+
+Various personalization options available and userpatches support (put your own patches in the same dir as the PKGBUILD, with the ".mypatch" extension.
+
+BMQ : http://cchalpha.blogspot.com/
+
+PDS-mq was originally created by Alfred Chen : http://cchalpha.blogspot.com/
+
+While he dropped it with kernel 5.1 in favor of its BMQ evolution/rework, my pretty bad gaming experiences with BMQ up to this point convinced me to keep PDS afloat for as long as it'll make sense/I'll be able to.
 
 Various personalization options available and userpatches support (put your own patches in the same dir as the PKGBUILD, with the ".mypatch" extension.
 

linux57-rc-tkg/customization.cfg

@@ -47,9 +47,9 @@ _debugdisable="false"
 
 # LEAVE AN EMPTY VALUE TO BE PROMPTED ABOUT FOLLOWING OPTIONS AT BUILD TIME
 
-# CPU scheduler - Options are "pds", muqss, "bmq", "cfs" or "cfsturbo" (experimental, for power CPUs https://lkml.org/lkml/2019/7/25/296)
+# CPU scheduler - Options are "pds", "bmq", "cfs" or "cfsturbo" (experimental, for power CPUs https://lkml.org/lkml/2019/7/25/296)
 # "pds" is the recommended option for gaming
-#_cpusched=""
+_cpusched=""
 
 # CPU sched_yield_type - Choose what sort of yield sched_yield will perform
 # For PDS and MuQSS: 0: No yield. (Recommended option for gaming on PDS and MuQSS)
@@ -58,7 +58,7 @@ _debugdisable="false"
 # For BMQ:           0: No yield.
 #                    1: Deboost and requeue task. (Default)
 #                    2: Set rq skip task.
-#_sched_yield_type=""
+_sched_yield_type=""
 
 # Round Robin interval is the longest duration two tasks with the same nice level will be delayed for. When CPU time is requested by a task, it receives a time slice equal
 # to the rr_interval in addition to a virtual deadline. When using yield_type 2, a low value can help offset the disadvantages of rescheduling a process that has yielded.
@@ -66,7 +66,7 @@ _debugdisable="false"
 # PDS default: 4ms"
 # BMQ default: 4ms"
 # Set to "1" for 2ms, "2" for 4ms, "3" for 6ms, "4" for 8ms, or "default" to keep the chosen scheduler defaults.
-#_rr_interval=""
+_rr_interval=""
 
 # Set to "true" to disable FUNCTION_TRACER/GRAPH_TRACER, lowering overhead but limiting debugging and analyzing of kernel functions - Kernel default is "false"
 _ftracedisable="false"

linux57-rc-tkg/linux57-tkg-config/config.x86_64

@@ -5073,7 +5073,7 @@ CONFIG_THERMAL_GOV_USER_SPACE=y
 CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
 CONFIG_CPU_THERMAL=y
 CONFIG_CPU_FREQ_THERMAL=y
-# CONFIG_CPU_IDLE_THERMAL is not set
+CONFIG_CPU_IDLE_THERMAL=y
 CONFIG_CLOCK_THERMAL=y
 CONFIG_DEVFREQ_THERMAL=y
 # CONFIG_THERMAL_EMULATION is not set

linux57-rc-tkg/linux57-tkg-patches/0005-glitched-ondemand-pds.patch

@@ -0,0 +1,18 @@
+diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
+index 6b423eebfd5d..61e3271675d6 100644
+--- a/drivers/cpufreq/cpufreq_ondemand.c
++++ b/drivers/cpufreq/cpufreq_ondemand.c
+@@ -21,10 +21,10 @@
+ #include "cpufreq_ondemand.h"
+ 
+ /* On-demand governor macros */
+-#define DEF_FREQUENCY_UP_THRESHOLD		(63)
+-#define DEF_SAMPLING_DOWN_FACTOR		(1)
++#define DEF_FREQUENCY_UP_THRESHOLD		(55)
++#define DEF_SAMPLING_DOWN_FACTOR		(5)
+ #define MAX_SAMPLING_DOWN_FACTOR		(100000)
+-#define MICRO_FREQUENCY_UP_THRESHOLD		(95)
++#define MICRO_FREQUENCY_UP_THRESHOLD		(63)
+ #define MICRO_FREQUENCY_MIN_SAMPLE_RATE		(10000)
+ #define MIN_FREQUENCY_UP_THRESHOLD		(1)
+ #define MAX_FREQUENCY_UP_THRESHOLD		(100) 

linux57-rc-tkg/linux57-tkg-patches/0005-glitched-pds.patch

@@ -0,0 +1,166 @@
+From f7f49141a5dbe9c99d78196b58c44307fb2e6be3 Mon Sep 17 00:00:00 2001
+From: Tk-Glitch <ti3nou@gmail.com>
+Date: Wed, 4 Jul 2018 04:30:08 +0200
+Subject: glitched - PDS
+
+diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
+index 2a202a846757..1d9c7ed79b11 100644
+--- a/kernel/Kconfig.hz
++++ b/kernel/Kconfig.hz
+@@ -4,7 +4,7 @@
+ 
+ choice
+ 	prompt "Timer frequency"
+-	default HZ_250
++	default HZ_500
+ 	help
+ 	 Allows the configuration of the timer frequency. It is customary
+ 	 to have the timer interrupt run at 1000 Hz but 100 Hz may be more
+@@ -39,6 +39,13 @@ choice
+ 	 on SMP and NUMA systems and exactly dividing by both PAL and
+ 	 NTSC frame rates for video and multimedia work.
+ 
++	config HZ_500
++		bool "500 HZ"
++	help
++	 500 Hz is a balanced timer frequency. Provides fast interactivity
++	 on desktops with great smoothness without increasing CPU power
++	 consumption and sacrificing the battery life on laptops.
++
+ 	config HZ_1000
+ 		bool "1000 HZ"
+ 	help
+@@ -52,6 +59,7 @@ config HZ
+ 	default 100 if HZ_100
+ 	default 250 if HZ_250
+ 	default 300 if HZ_300
++	default 500 if HZ_500
+ 	default 1000 if HZ_1000
+ 
+ config SCHED_HRTICK
+
+diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
+index 2a202a846757..1d9c7ed79b11 100644
+--- a/kernel/Kconfig.hz
++++ b/kernel/Kconfig.hz
+@@ -4,7 +4,7 @@
+ 
+ choice
+ 	prompt "Timer frequency"
+-	default HZ_500
++	default HZ_750
+ 	help
+ 	 Allows the configuration of the timer frequency. It is customary
+ 	 to have the timer interrupt run at 1000 Hz but 100 Hz may be more
+@@ -46,6 +46,13 @@ choice
+ 	 on desktops with great smoothness without increasing CPU power
+ 	 consumption and sacrificing the battery life on laptops.
+ 
++	config HZ_750
++		bool "750 HZ"
++	help
++	 750 Hz is a good timer frequency for desktops. Provides fast
++	 interactivity with great smoothness without sacrificing too
++	 much throughput.
++
+ 	config HZ_1000
+ 		bool "1000 HZ"
+ 	help
+@@ -60,6 +67,7 @@ config HZ
+ 	default 250 if HZ_250
+ 	default 300 if HZ_300
+ 	default 500 if HZ_500
++	default 750 if HZ_750
+ 	default 1000 if HZ_1000
+ 
+ config SCHED_HRTICK
+
+diff --git a/mm/vmscan.c b/mm/vmscan.c
+index 9270a4370d54..30d01e647417 100644
+--- a/mm/vmscan.c
++++ b/mm/vmscan.c
+@@ -159,7 +159,7 @@ struct scan_control {
+ /*
+  * From 0 .. 100.  Higher means more swappy.
+  */
+-int vm_swappiness = 60;
++int vm_swappiness = 20;
+ /*
+  * The total number of pages which are beyond the high watermark within all
+  * zones.
+
+diff --git a/init/Kconfig b/init/Kconfig
+index 11fd9b502d06..e9bc34d3019b 100644
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -715,6 +715,7 @@ menu "Scheduler features"
+ config UCLAMP_TASK
+ 	bool "Enable utilization clamping for RT/FAIR tasks"
+ 	depends on CPU_FREQ_GOV_SCHEDUTIL
++	depends on !SCHED_PDS
+ 	help
+ 	  This feature enables the scheduler to track the clamped utilization
+ 	  of each CPU based on RUNNABLE tasks scheduled on that CPU.
+@@ -948,7 +948,6 @@ config CGROUP_DEVICE
+ 
+ config CGROUP_CPUACCT
+ 	bool "Simple CPU accounting controller"
+-	depends on !SCHED_PDS
+ 	help
+ 	  Provides a simple controller for monitoring the
+ 	  total CPU consumed by the tasks in a cgroup.
+diff --git a/kernel/sched/Makefile b/kernel/sched/Makefile
+index b23231bae996..cab4e5c5b38e 100644
+--- a/kernel/sched/Makefile
++++ b/kernel/sched/Makefile
+@@ -24,13 +24,13 @@ obj-y += fair.o rt.o deadline.o
+ obj-$(CONFIG_SMP) += cpudeadline.o topology.o stop_task.o
+ obj-$(CONFIG_SCHED_AUTOGROUP) += autogroup.o
+ obj-$(CONFIG_SCHED_DEBUG) += debug.o
+-obj-$(CONFIG_CGROUP_CPUACCT) += cpuacct.o
+ endif
+ obj-y += loadavg.o clock.o cputime.o
+ obj-y += idle.o
+ obj-y += wait.o wait_bit.o swait.o completion.o
+ obj-$(CONFIG_SMP) += cpupri.o pelt.o
+ obj-$(CONFIG_SCHEDSTATS) += stats.o
++obj-$(CONFIG_CGROUP_CPUACCT) += cpuacct.o
+ obj-$(CONFIG_CPU_FREQ) += cpufreq.o
+ obj-$(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) += cpufreq_schedutil.o
+ obj-$(CONFIG_MEMBARRIER) += membarrier.o
+
+diff --git a/kernel/sched/pds.c b/kernel/sched/pds.c
+index 9281ad164..f09a609cf 100644
+--- a/kernel/sched/pds.c
++++ b/kernel/sched/pds.c
+@@ -81,6 +81,18 @@ enum {
+ 	NR_CPU_AFFINITY_CHK_LEVEL
+ };
+ 
++/*
++ * This allows printing both to /proc/sched_debug and
++ * to the console
++ */
++#define SEQ_printf(m, x...)			\
++ do {						\
++	if (m)					\
++		seq_printf(m, x);		\
++	else					\
++		pr_cont(x);			\
++ } while (0)
++
+ static inline void print_scheduler_version(void)
+ {
+ 	printk(KERN_INFO "pds: PDS-mq CPU Scheduler 0.99o by Alfred Chen.\n");
+@@ -6353,7 +6365,10 @@ void ia64_set_curr_task(int cpu, struct task_struct *p)
+ #ifdef CONFIG_SCHED_DEBUG
+ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
+ 			  struct seq_file *m)
+-{}
++{
++	SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr_ns(p, ns),
++						get_nr_threads(p));
++}
+ 
+ void proc_sched_set_task(struct task_struct *p)
+ {}

linux57-rc-tkg/linux57-tkg-patches/0009-glitched-bmq.patch

@@ -0,0 +1,90 @@
+From f7f49141a5dbe9c99d78196b58c44307fb2e6be3 Mon Sep 17 00:00:00 2001
+From: Tk-Glitch <ti3nou@gmail.com>
+Date: Wed, 4 Jul 2018 04:30:08 +0200
+Subject: glitched - BMQ
+
+diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
+index 2a202a846757..1d9c7ed79b11 100644
+--- a/kernel/Kconfig.hz
++++ b/kernel/Kconfig.hz
+@@ -4,7 +4,7 @@
+ 
+ choice
+ 	prompt "Timer frequency"
+-	default HZ_250
++	default HZ_500
+ 	help
+ 	 Allows the configuration of the timer frequency. It is customary
+ 	 to have the timer interrupt run at 1000 Hz but 100 Hz may be more
+@@ -39,6 +39,13 @@ choice
+ 	 on SMP and NUMA systems and exactly dividing by both PAL and
+ 	 NTSC frame rates for video and multimedia work.
+ 
++	config HZ_500
++		bool "500 HZ"
++	help
++	 500 Hz is a balanced timer frequency. Provides fast interactivity
++	 on desktops with great smoothness without increasing CPU power
++	 consumption and sacrificing the battery life on laptops.
++
+ 	config HZ_1000
+ 		bool "1000 HZ"
+ 	help
+@@ -52,6 +59,7 @@ config HZ
+ 	default 100 if HZ_100
+ 	default 250 if HZ_250
+ 	default 300 if HZ_300
++	default 500 if HZ_500
+ 	default 1000 if HZ_1000
+ 
+ config SCHED_HRTICK
+
+diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
+index 2a202a846757..1d9c7ed79b11 100644
+--- a/kernel/Kconfig.hz
++++ b/kernel/Kconfig.hz
+@@ -4,7 +4,7 @@
+ 
+ choice
+ 	prompt "Timer frequency"
+-	default HZ_500
++	default HZ_750
+ 	help
+ 	 Allows the configuration of the timer frequency. It is customary
+ 	 to have the timer interrupt run at 1000 Hz but 100 Hz may be more
+@@ -46,6 +46,13 @@ choice
+ 	 on desktops with great smoothness without increasing CPU power
+ 	 consumption and sacrificing the battery life on laptops.
+ 
++	config HZ_750
++		bool "750 HZ"
++	help
++	 750 Hz is a good timer frequency for desktops. Provides fast
++	 interactivity with great smoothness without sacrificing too
++	 much throughput.
++
+ 	config HZ_1000
+ 		bool "1000 HZ"
+ 	help
+@@ -60,6 +67,7 @@ config HZ
+ 	default 250 if HZ_250
+ 	default 300 if HZ_300
+ 	default 500 if HZ_500
++	default 750 if HZ_750
+ 	default 1000 if HZ_1000
+ 
+ config SCHED_HRTICK
+
+diff --git a/mm/vmscan.c b/mm/vmscan.c
+index 9270a4370d54..30d01e647417 100644
+--- a/mm/vmscan.c
++++ b/mm/vmscan.c
+@@ -159,7 +159,7 @@ struct scan_control {
+ /*
+  * From 0 .. 100.  Higher means more swappy.
+  */
+-int vm_swappiness = 60;
++int vm_swappiness = 20;
+ /*
+  * The total number of pages which are beyond the high watermark within all
+  * zones.

linux57-rc-tkg/linux57-tkg-patches/0009-glitched-ondemand-bmq.patch

@@ -0,0 +1,18 @@
+diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
+index 6b423eebfd5d..61e3271675d6 100644
+--- a/drivers/cpufreq/cpufreq_ondemand.c
++++ b/drivers/cpufreq/cpufreq_ondemand.c
+@@ -21,10 +21,10 @@
+ #include "cpufreq_ondemand.h"
+ 
+ /* On-demand governor macros */
+-#define DEF_FREQUENCY_UP_THRESHOLD		(80)
+-#define DEF_SAMPLING_DOWN_FACTOR		(1)
++#define DEF_FREQUENCY_UP_THRESHOLD		(55)
++#define DEF_SAMPLING_DOWN_FACTOR		(5)
+ #define MAX_SAMPLING_DOWN_FACTOR		(100000)
+-#define MICRO_FREQUENCY_UP_THRESHOLD		(95)
++#define MICRO_FREQUENCY_UP_THRESHOLD		(63)
+ #define MICRO_FREQUENCY_MIN_SAMPLE_RATE		(10000)
+ #define MIN_FREQUENCY_UP_THRESHOLD		(1)
+ #define MAX_FREQUENCY_UP_THRESHOLD		(100)