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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-24 23:19:27 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-24 23:19:27 +0300
commit596766102a3a37ba20c4d9a4130a8a4b42b34646 (patch)
tree52208e97359079e345b3d9b6750bc17d545c6c8c /include
parent9022ada8ab6f1f1a932a3c93815061042e6548a5 (diff)
parente4f8d81c738db6d3ffdabfb8329aa2feaa310699 (diff)
downloadlinux-596766102a3a37ba20c4d9a4130a8a4b42b34646.tar.xz
Merge branch 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo: "Just one commit from Steven to take out spin lock from trace event handlers" * 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup/tracing: Move taking of spin lock out of trace event handlers
Diffstat (limited to 'include')
-rw-r--r--include/trace/events/cgroup.h47
1 files changed, 23 insertions, 24 deletions
diff --git a/include/trace/events/cgroup.h b/include/trace/events/cgroup.h
index d74722c2ac8b..a401ff5e7847 100644
--- a/include/trace/events/cgroup.h
+++ b/include/trace/events/cgroup.h
@@ -53,24 +53,22 @@ DEFINE_EVENT(cgroup_root, cgroup_remount,
DECLARE_EVENT_CLASS(cgroup,
- TP_PROTO(struct cgroup *cgrp),
+ TP_PROTO(struct cgroup *cgrp, const char *path),
- TP_ARGS(cgrp),
+ TP_ARGS(cgrp, path),
TP_STRUCT__entry(
__field( int, root )
__field( int, id )
__field( int, level )
- __dynamic_array(char, path,
- cgroup_path(cgrp, NULL, 0) + 1)
+ __string( path, path )
),
TP_fast_assign(
__entry->root = cgrp->root->hierarchy_id;
__entry->id = cgrp->id;
__entry->level = cgrp->level;
- cgroup_path(cgrp, __get_dynamic_array(path),
- __get_dynamic_array_len(path));
+ __assign_str(path, path);
),
TP_printk("root=%d id=%d level=%d path=%s",
@@ -79,45 +77,45 @@ DECLARE_EVENT_CLASS(cgroup,
DEFINE_EVENT(cgroup, cgroup_mkdir,
- TP_PROTO(struct cgroup *cgroup),
+ TP_PROTO(struct cgroup *cgrp, const char *path),
- TP_ARGS(cgroup)
+ TP_ARGS(cgrp, path)
);
DEFINE_EVENT(cgroup, cgroup_rmdir,
- TP_PROTO(struct cgroup *cgroup),
+ TP_PROTO(struct cgroup *cgrp, const char *path),
- TP_ARGS(cgroup)
+ TP_ARGS(cgrp, path)
);
DEFINE_EVENT(cgroup, cgroup_release,
- TP_PROTO(struct cgroup *cgroup),
+ TP_PROTO(struct cgroup *cgrp, const char *path),
- TP_ARGS(cgroup)
+ TP_ARGS(cgrp, path)
);
DEFINE_EVENT(cgroup, cgroup_rename,
- TP_PROTO(struct cgroup *cgroup),
+ TP_PROTO(struct cgroup *cgrp, const char *path),
- TP_ARGS(cgroup)
+ TP_ARGS(cgrp, path)
);
DECLARE_EVENT_CLASS(cgroup_migrate,
- TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),
+ TP_PROTO(struct cgroup *dst_cgrp, const char *path,
+ struct task_struct *task, bool threadgroup),
- TP_ARGS(dst_cgrp, task, threadgroup),
+ TP_ARGS(dst_cgrp, path, task, threadgroup),
TP_STRUCT__entry(
__field( int, dst_root )
__field( int, dst_id )
__field( int, dst_level )
- __dynamic_array(char, dst_path,
- cgroup_path(dst_cgrp, NULL, 0) + 1)
__field( int, pid )
+ __string( dst_path, path )
__string( comm, task->comm )
),
@@ -125,8 +123,7 @@ DECLARE_EVENT_CLASS(cgroup_migrate,
__entry->dst_root = dst_cgrp->root->hierarchy_id;
__entry->dst_id = dst_cgrp->id;
__entry->dst_level = dst_cgrp->level;
- cgroup_path(dst_cgrp, __get_dynamic_array(dst_path),
- __get_dynamic_array_len(dst_path));
+ __assign_str(dst_path, path);
__entry->pid = task->pid;
__assign_str(comm, task->comm);
),
@@ -138,16 +135,18 @@ DECLARE_EVENT_CLASS(cgroup_migrate,
DEFINE_EVENT(cgroup_migrate, cgroup_attach_task,
- TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),
+ TP_PROTO(struct cgroup *dst_cgrp, const char *path,
+ struct task_struct *task, bool threadgroup),
- TP_ARGS(dst_cgrp, task, threadgroup)
+ TP_ARGS(dst_cgrp, path, task, threadgroup)
);
DEFINE_EVENT(cgroup_migrate, cgroup_transfer_tasks,
- TP_PROTO(struct cgroup *dst_cgrp, struct task_struct *task, bool threadgroup),
+ TP_PROTO(struct cgroup *dst_cgrp, const char *path,
+ struct task_struct *task, bool threadgroup),
- TP_ARGS(dst_cgrp, task, threadgroup)
+ TP_ARGS(dst_cgrp, path, task, threadgroup)
);
#endif /* _TRACE_CGROUP_H */