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authorLi Zefan <lizefan@huawei.com>2013-03-05 07:38:08 +0400
committerIngo Molnar <mingo@kernel.org>2013-03-06 14:32:56 +0400
commit877c685607925238e302cd3aa38788dca6c1b226 (patch)
tree56159445dc66e409d5398a16c1ba01aad7e511e8
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
downloadlinux-877c685607925238e302cd3aa38788dca6c1b226.tar.xz
perf: Remove include of cgroup.h from perf_event.h
Move struct perf_cgroup_info and perf_cgroup to kernel/perf/core.c, and then we can remove include of cgroup.h. Signed-off-by: Li Zefan <lizefan@huawei.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/513568A0.6020804@huawei.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--include/linux/perf_event.h18
-rw-r--r--kernel/events/core.c15
2 files changed, 16 insertions, 17 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index e47ee462c2f2..8737e1cee8b2 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -21,7 +21,6 @@
*/
#ifdef CONFIG_PERF_EVENTS
-# include <linux/cgroup.h>
# include <asm/perf_event.h>
# include <asm/local64.h>
#endif
@@ -299,22 +298,7 @@ struct swevent_hlist {
#define PERF_ATTACH_GROUP 0x02
#define PERF_ATTACH_TASK 0x04
-#ifdef CONFIG_CGROUP_PERF
-/*
- * perf_cgroup_info keeps track of time_enabled for a cgroup.
- * This is a per-cpu dynamically allocated data structure.
- */
-struct perf_cgroup_info {
- u64 time;
- u64 timestamp;
-};
-
-struct perf_cgroup {
- struct cgroup_subsys_state css;
- struct perf_cgroup_info *info; /* timing info, one per cpu */
-};
-#endif
-
+struct perf_cgroup;
struct ring_buffer;
/**
diff --git a/kernel/events/core.c b/kernel/events/core.c
index b0cd86501c30..5976a2a6b4ce 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -37,6 +37,7 @@
#include <linux/ftrace_event.h>
#include <linux/hw_breakpoint.h>
#include <linux/mm_types.h>
+#include <linux/cgroup.h>
#include "internal.h"
@@ -234,6 +235,20 @@ static void perf_ctx_unlock(struct perf_cpu_context *cpuctx,
#ifdef CONFIG_CGROUP_PERF
/*
+ * perf_cgroup_info keeps track of time_enabled for a cgroup.
+ * This is a per-cpu dynamically allocated data structure.
+ */
+struct perf_cgroup_info {
+ u64 time;
+ u64 timestamp;
+};
+
+struct perf_cgroup {
+ struct cgroup_subsys_state css;
+ struct perf_cgroup_info *info;
+};
+
+/*
* Must ensure cgroup is pinned (css_get) before calling
* this function. In other words, we cannot call this function
* if there is no cgroup event for the current CPU context.