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authorTejun Heo <tj@kernel.org>2017-09-25 18:12:04 +0300
committerTejun Heo <tj@kernel.org>2017-09-25 18:12:04 +0300
commitd2cc5ed6949085cfba30ec5228816cf6eb1d02b9 (patch)
tree52cd7323c6a2068f4ec1b4a08ad8a3ad674f5c81 /include/linux/cgroup.h
parentcfb766da54d98ceb145e1bb0bd11c559569dcbfc (diff)
downloadlinux-d2cc5ed6949085cfba30ec5228816cf6eb1d02b9.tar.xz
cpuacct: Introduce cgroup_account_cputime[_field]()
Introduce cgroup_account_cputime[_field]() which wrap cpuacct_charge() and cgroup_account_field(). This doesn't introduce any functional changes and will be used to add cgroup basic resource accounting. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index d023ac5e377f..6cd579329310 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -22,6 +22,7 @@
#include <linux/nsproxy.h>
#include <linux/user_namespace.h>
#include <linux/refcount.h>
+#include <linux/kernel_stat.h>
#include <linux/cgroup-defs.h>
@@ -689,6 +690,43 @@ static inline void cgroup_path_from_kernfs_id(const union kernfs_node_id *id,
#endif /* !CONFIG_CGROUPS */
/*
+ * Basic resource stats.
+ */
+#ifdef CONFIG_CGROUPS
+
+#ifdef CONFIG_CGROUP_CPUACCT
+void cpuacct_charge(struct task_struct *tsk, u64 cputime);
+void cpuacct_account_field(struct task_struct *tsk, int index, u64 val);
+#else
+static inline void cpuacct_charge(struct task_struct *tsk, u64 cputime) {}
+static inline void cpuacct_account_field(struct task_struct *tsk, int index,
+ u64 val) {}
+#endif
+
+static inline void cgroup_account_cputime(struct task_struct *task,
+ u64 delta_exec)
+{
+ cpuacct_charge(task, delta_exec);
+}
+
+static inline void cgroup_account_cputime_field(struct task_struct *task,
+ enum cpu_usage_stat index,
+ u64 delta_exec)
+{
+ cpuacct_account_field(task, index, delta_exec);
+}
+
+#else /* CONFIG_CGROUPS */
+
+static inline void cgroup_account_cputime(struct task_struct *task,
+ u64 delta_exec) {}
+static inline void cgroup_account_cputime_field(struct task_struct *task,
+ enum cpu_usage_stat index,
+ u64 delta_exec) {}
+
+#endif /* CONFIG_CGROUPS */
+
+/*
* sock->sk_cgrp_data handling. For more info, see sock_cgroup_data
* definition in cgroup-defs.h.
*/