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Message-ID: <tip-60fed7891d4115be0ed7ff9ce6851eda80533c64@git.kernel.org>
Date: Wed, 10 Apr 2013 06:37:48 -0700
From: tip-bot for Li Zefan <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
peterz@...radead.org, tglx@...utronix.de, lizefan@...wei.com
Subject: [tip:sched/core] sched: Split cpuacct code out of sched.h
Commit-ID: 60fed7891d4115be0ed7ff9ce6851eda80533c64
Gitweb: http://git.kernel.org/tip/60fed7891d4115be0ed7ff9ce6851eda80533c64
Author: Li Zefan <lizefan@...wei.com>
AuthorDate: Fri, 29 Mar 2013 14:36:43 +0800
Committer: Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 10 Apr 2013 13:54:16 +0200
sched: Split cpuacct code out of sched.h
Add cpuacct.h and let sched.h include it.
Signed-off-by: Li Zefan <lizefan@...wei.com>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/5155367B.2060506@huawei.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
kernel/sched/cpuacct.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
kernel/sched/sched.h | 48 +---------------------------------------------
2 files changed, 53 insertions(+), 47 deletions(-)
diff --git a/kernel/sched/cpuacct.h b/kernel/sched/cpuacct.h
new file mode 100644
index 0000000..a7f3d4a
--- /dev/null
+++ b/kernel/sched/cpuacct.h
@@ -0,0 +1,52 @@
+/* Time spent by the tasks of the cpu accounting group executing in ... */
+enum cpuacct_stat_index {
+ CPUACCT_STAT_USER, /* ... user mode */
+ CPUACCT_STAT_SYSTEM, /* ... kernel mode */
+
+ CPUACCT_STAT_NSTATS,
+};
+
+#ifdef CONFIG_CGROUP_CPUACCT
+
+#include <linux/cgroup.h>
+/* track cpu usage of a group of tasks and its child groups */
+struct cpuacct {
+ struct cgroup_subsys_state css;
+ /* cpuusage holds pointer to a u64-type object on every cpu */
+ u64 __percpu *cpuusage;
+ struct kernel_cpustat __percpu *cpustat;
+};
+
+extern struct cgroup_subsys cpuacct_subsys;
+extern struct cpuacct root_cpuacct;
+
+/* return cpu accounting group corresponding to this container */
+static inline struct cpuacct *cgroup_ca(struct cgroup *cgrp)
+{
+ return container_of(cgroup_subsys_state(cgrp, cpuacct_subsys_id),
+ struct cpuacct, css);
+}
+
+/* return cpu accounting group to which this task belongs */
+static inline struct cpuacct *task_ca(struct task_struct *tsk)
+{
+ return container_of(task_subsys_state(tsk, cpuacct_subsys_id),
+ struct cpuacct, css);
+}
+
+static inline struct cpuacct *parent_ca(struct cpuacct *ca)
+{
+ if (!ca || !ca->css.cgroup->parent)
+ return NULL;
+ return cgroup_ca(ca->css.cgroup->parent);
+}
+
+extern void cpuacct_charge(struct task_struct *tsk, u64 cputime);
+
+#else
+
+static inline void cpuacct_charge(struct task_struct *tsk, u64 cputime)
+{
+}
+
+#endif
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 3bd15a4..8116cf8 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -7,6 +7,7 @@
#include <linux/stop_machine.h>
#include "cpupri.h"
+#include "cpuacct.h"
extern __read_mostly int scheduler_running;
@@ -950,14 +951,6 @@ static const u32 prio_to_wmult[40] = {
/* 15 */ 119304647, 148102320, 186737708, 238609294, 286331153,
};
-/* Time spent by the tasks of the cpu accounting group executing in ... */
-enum cpuacct_stat_index {
- CPUACCT_STAT_USER, /* ... user mode */
- CPUACCT_STAT_SYSTEM, /* ... kernel mode */
-
- CPUACCT_STAT_NSTATS,
-};
-
#define ENQUEUE_WAKEUP 1
#define ENQUEUE_HEAD 2
#ifdef CONFIG_SMP
@@ -1054,45 +1047,6 @@ extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime
extern void update_idle_cpu_load(struct rq *this_rq);
-#ifdef CONFIG_CGROUP_CPUACCT
-#include <linux/cgroup.h>
-/* track cpu usage of a group of tasks and its child groups */
-struct cpuacct {
- struct cgroup_subsys_state css;
- /* cpuusage holds pointer to a u64-type object on every cpu */
- u64 __percpu *cpuusage;
- struct kernel_cpustat __percpu *cpustat;
-};
-
-extern struct cgroup_subsys cpuacct_subsys;
-extern struct cpuacct root_cpuacct;
-
-/* return cpu accounting group corresponding to this container */
-static inline struct cpuacct *cgroup_ca(struct cgroup *cgrp)
-{
- return container_of(cgroup_subsys_state(cgrp, cpuacct_subsys_id),
- struct cpuacct, css);
-}
-
-/* return cpu accounting group to which this task belongs */
-static inline struct cpuacct *task_ca(struct task_struct *tsk)
-{
- return container_of(task_subsys_state(tsk, cpuacct_subsys_id),
- struct cpuacct, css);
-}
-
-static inline struct cpuacct *parent_ca(struct cpuacct *ca)
-{
- if (!ca || !ca->css.cgroup->parent)
- return NULL;
- return cgroup_ca(ca->css.cgroup->parent);
-}
-
-extern void cpuacct_charge(struct task_struct *tsk, u64 cputime);
-#else
-static inline void cpuacct_charge(struct task_struct *tsk, u64 cputime) {}
-#endif
-
#ifdef CONFIG_PARAVIRT
static inline u64 steal_ticks(u64 steal)
{
--
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