1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
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)
{}
|