1 files changed, 97 insertions, 5 deletions

diff --git a/include/trace/events/cgroup.h b/include/trace/events/cgroup.h
index dd7d7c9efecd..af2755bda6eb 100644
--- a/include/trace/events/cgroup.h
+++ b/include/trace/events/cgroup.h
@@ -23,7 +23,7 @@ DECLARE_EVENT_CLASS(cgroup_root,
 	TP_fast_assign(
 		__entry->root = root->hierarchy_id;
 		__entry->ss_mask = root->subsys_mask;
-		__assign_str(name, root->name);
+		__assign_str(name);
 	),
 
 	TP_printk("root=%d ss_mask=%#x name=%s",
@@ -68,7 +68,7 @@ DECLARE_EVENT_CLASS(cgroup,
 		__entry->root = cgrp->root->hierarchy_id;
 		__entry->id = cgroup_id(cgrp);
 		__entry->level = cgrp->level;
-		__assign_str(path, path);
+		__assign_str(path);
 	),
 
 	TP_printk("root=%d id=%llu level=%d path=%s",
@@ -137,9 +137,9 @@ DECLARE_EVENT_CLASS(cgroup_migrate,
 		__entry->dst_root = dst_cgrp->root->hierarchy_id;
 		__entry->dst_id = cgroup_id(dst_cgrp);
 		__entry->dst_level = dst_cgrp->level;
-		__assign_str(dst_path, path);
+		__assign_str(dst_path);
 		__entry->pid = task->pid;
-		__assign_str(comm, task->comm);
+		__assign_str(comm);
 	),
 
 	TP_printk("dst_root=%d dst_id=%llu dst_level=%d dst_path=%s pid=%d comm=%s",
@@ -181,7 +181,7 @@ DECLARE_EVENT_CLASS(cgroup_event,
 		__entry->root = cgrp->root->hierarchy_id;
 		__entry->id = cgroup_id(cgrp);
 		__entry->level = cgrp->level;
-		__assign_str(path, path);
+		__assign_str(path);
 		__entry->val = val;
 	),
 
@@ -204,6 +204,98 @@ DEFINE_EVENT(cgroup_event, cgroup_notify_frozen,
 	TP_ARGS(cgrp, path, val)
 );
 
+DECLARE_EVENT_CLASS(cgroup_rstat,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended),
+
+	TP_STRUCT__entry(
+		__field(	int,		root			)
+		__field(	int,		level			)
+		__field(	u64,		id			)
+		__field(	int,		cpu			)
+		__field(	bool,		contended		)
+	),
+
+	TP_fast_assign(
+		__entry->root = cgrp->root->hierarchy_id;
+		__entry->id = cgroup_id(cgrp);
+		__entry->level = cgrp->level;
+		__entry->cpu = cpu;
+		__entry->contended = contended;
+	),
+
+	TP_printk("root=%d id=%llu level=%d cpu=%d lock contended:%d",
+		  __entry->root, __entry->id, __entry->level,
+		  __entry->cpu, __entry->contended)
+);
+
+/* Related to global: cgroup_rstat_lock */
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_lock_contended,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_locked,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_unlock,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+/* Related to per CPU: cgroup_rstat_cpu_lock */
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_cpu_lock_contended,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_cpu_lock_contended_fastpath,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_cpu_locked,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_cpu_locked_fastpath,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_cpu_unlock,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
+DEFINE_EVENT(cgroup_rstat, cgroup_rstat_cpu_unlock_fastpath,
+
+	TP_PROTO(struct cgroup *cgrp, int cpu, bool contended),
+
+	TP_ARGS(cgrp, cpu, contended)
+);
+
 #endif /* _TRACE_CGROUP_H */
 
 /* This part must be outside protection */