[RAMEN9610-9421][COMMON] sched: ems: introduce ems service

Change-Id: I6e0cc8b8db43035c5c933ed292f443c9a67e4520
Signed-off-by: Park Bumgyu <bumgyu.park@samsung.com>

diff --git a/include/linux/ems.h b/include/linux/ems.h
index b0f1252f877ff073a60081f166570ac9f3f26a19..11cc63f9fc54b15e055a06c7d96e84313f9f17a9 100644 (file)
--- a/include/linux/ems.h
+++ b/include/linux/ems.h
@@ -15,16 +15,6 @@
 #include <linux/sched/idle.h>
 #include <linux/sched/topology.h>
 
-#ifdef CONFIG_SCHED_TUNE
-enum stune_group {
-       STUNE_ROOT,
-       STUNE_FOREGROUND,
-       STUNE_BACKGROUND,
-       STUNE_TOPAPP,
-       STUNE_GROUP_COUNT,
-};
-#endif
-
 struct gb_qos_request {
        struct plist_node node;
        char *name;
@@ -75,9 +65,6 @@ extern void update_lbt_overutil(int cpu, unsigned long capacity);
 /* global boost */
 extern void gb_qos_update_request(struct gb_qos_request *req, u32 new_value);
 
-/* prefer perf */
-extern void request_kernel_prefer_perf(int grp_idx, int enable);
-
 /* task band */
 extern void sync_band(struct task_struct *p, bool join);
 extern void newbie_join_band(struct task_struct *newbie);
@@ -116,8 +103,6 @@ static inline void update_lbt_overutil(int cpu, unsigned long capacity) { }
 
 static inline void gb_qos_update_request(struct gb_qos_request *req, u32 new_value) { }
 
-static inline void request_kernel_prefer_perf(int grp_idx, int enable) { }
-
 static inline void sync_band(struct task_struct *p, bool join) { }
 static inline void newbie_join_band(struct task_struct *newbie) { }
 static inline int alloc_bands(void)

diff --git a/include/linux/ems_service.h b/include/linux/ems_service.h
new file mode 100644 (file)
index 0000000..b7dbaf0
--- /dev/null
+++ b/include/linux/ems_service.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+enum stune_group {
+       STUNE_ROOT,
+       STUNE_FOREGROUND,
+       STUNE_BACKGROUND,
+       STUNE_TOPAPP,
+       STUNE_RT,
+       STUNE_GROUP_COUNT,
+};
+
+#ifdef CONFIG_SCHED_EMS
+/* prefer perf */
+extern int kernel_prefer_perf(int grp_idx);
+extern void request_kernel_prefer_perf(int grp_idx, int enable);
+#else
+static inline int kernel_prefer_perf(int grp_idx) { }
+static inline void request_kernel_prefer_perf(int grp_idx, int enable) { }
+#endif

diff --git a/kernel/sched/ems/Makefile b/kernel/sched/ems/Makefile
index 8537cfc6240f65089e5dd09b824e6fca92f60250..7eb65f5566e64db74a9229095270cea3a05d96e3 100644 (file)
--- a/kernel/sched/ems/Makefile
+++ b/kernel/sched/ems/Makefile
@@ -1,4 +1,5 @@
 obj-y += core.o pcf.o global_boost.o lbt.o ontime.o energy.o init_util.o band.o
+obj-y += service.o
 
 obj-$(CONFIG_SCHED_TUNE) += st_addon.o
 obj-$(CONFIG_FREQVAR_TUNE) += freqvar_tune.o

diff --git a/kernel/sched/ems/service.c b/kernel/sched/ems/service.c
new file mode 100644 (file)
index 0000000..50d77db
--- /dev/null
+++ b/kernel/sched/ems/service.c
@@ -0,0 +1,58 @@
+/*
+ * Services for Exynos Mobile Scheduler
+ *
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd
+ * Park Bumgyu <bumgyu.park@samsung.com>
+ */
+
+#include <linux/kobject.h>
+#include <linux/ems.h>
+
+/**********************************************************************
+ *                        Kernel Prefer Perf                          *
+ **********************************************************************/
+static atomic_t kernel_prefer_perf_req[STUNE_GROUP_COUNT];
+int kernel_prefer_perf(int grp_idx)
+{
+       if (grp_idx >= STUNE_GROUP_COUNT)
+               return -EINVAL;
+
+       return atomic_read(&kernel_prefer_perf_req[grp_idx]);
+}
+
+void request_kernel_prefer_perf(int grp_idx, int value)
+{
+       if (grp_idx >= STUNE_GROUP_COUNT)
+               return;
+
+       atomic_set(&kernel_prefer_perf_req[grp_idx], value);
+}
+
+static ssize_t show_prefer_perf(struct kobject *kobj,
+               struct kobj_attribute *attr, char *buf)
+{
+       int i, ret = 0;
+
+       /* shows the prefer_perf value of all schedtune groups */
+       for (i = 0; i < STUNE_GROUP_COUNT; i++)
+               ret += snprintf(buf + ret, 10, "%d ", kernel_prefer_perf(i));
+
+       ret += snprintf(buf + ret, 10, "\n");
+
+       return ret;
+}
+
+static struct kobj_attribute prefer_perf_attr =
+__ATTR(kernel_prefer_perf, 0444, show_prefer_perf, NULL);
+
+static int __init init_service(void)
+{
+       int ret;
+
+       ret = sysfs_create_file(ems_kobj, &prefer_perf_attr.attr);
+       if (ret)
+               pr_err("%s: faile to create sysfs file\n", __func__);
+
+       return 0;
+}
+late_initcall(init_service);

diff --git a/kernel/sched/ems/st_addon.c b/kernel/sched/ems/st_addon.c
index ae1b130955d58885260494e106b1c8a886216318..2f52d9b2022687a5286f19107073fa9d12706f6b 100644 (file)
--- a/kernel/sched/ems/st_addon.c
+++ b/kernel/sched/ems/st_addon.c
@@ -29,24 +29,6 @@ int prefer_perf_cpu(struct task_struct *p)
        return select_perf_cpu(p);
 }
 
-int kernel_prefer_perf(int grp_idx);
-static ssize_t show_prefer_perf(struct kobject *kobj,
-               struct kobj_attribute *attr, char *buf)
-{
-       int i, ret = 0;
-
-       /* shows the prefer_perf value of all schedtune groups */
-       for (i = 0; i < STUNE_GROUP_COUNT; i++)
-               ret += snprintf(buf + ret, 10, "%d ", kernel_prefer_perf(i));
-
-       ret += snprintf(buf + ret, 10, "\n");
-
-       return ret;
-}
-
-static struct kobj_attribute prefer_perf_attr =
-__ATTR(kernel_prefer_perf, 0444, show_prefer_perf, NULL);
-
 /**********************************************************************
  *                            Prefer Idle                             *
  **********************************************************************/
@@ -149,18 +131,3 @@ int prefer_idle_cpu(struct task_struct *p)
 
        return select_idle_cpu(p);
 }
-
-/**********************************************************************
- *                          Sysfs interface                           *
- **********************************************************************/
-static int __init init_st_addon_sysfs(void)
-{
-       int ret;
-
-       ret = sysfs_create_file(ems_kobj, &prefer_perf_attr.attr);
-       if (ret)
-               pr_err("%s: faile to create sysfs file\n", __func__);
-
-       return 0;
-}
-late_initcall(init_st_addon_sysfs);

diff --git a/kernel/sched/tune.c b/kernel/sched/tune.c
index 293011d3a825d2a36cbb5fe378abef8760e2d311..7857d4b99b5eb2a37aabadd8eef450fb4111001b 100644 (file)
--- a/kernel/sched/tune.c
+++ b/kernel/sched/tune.c
@@ -6,6 +6,7 @@
 #include <linux/rcupdate.h>
 #include <linux/slab.h>
 #include <linux/ems.h>
+#include <linux/ems_service.h>
 
 #include <trace/events/sched.h>
 
@@ -440,30 +441,6 @@ int schedtune_prefer_idle(struct task_struct *p)
        return prefer_idle;
 }
 
-#ifdef CONFIG_SCHED_EMS
-static atomic_t kernel_prefer_perf_req[BOOSTGROUPS_COUNT];
-int kernel_prefer_perf(int grp_idx)
-{
-       if (grp_idx >= BOOSTGROUPS_COUNT)
-               return -EINVAL;
-
-       return atomic_read(&kernel_prefer_perf_req[grp_idx]);
-}
-
-void request_kernel_prefer_perf(int grp_idx, int enable)
-{
-       if (grp_idx >= BOOSTGROUPS_COUNT)
-               return;
-
-       if (enable)
-               atomic_inc(&kernel_prefer_perf_req[grp_idx]);
-       else
-               BUG_ON(atomic_dec_return(&kernel_prefer_perf_req[grp_idx]) < 0);
-}
-#else
-static inline int kernel_prefer_perf(int grp_idx) { return 0; }
-#endif
-
 int schedtune_prefer_perf(struct task_struct *p)
 {
        struct schedtune *st;