Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / trace / events / workqueue.h

diff --git a/kernel/include/trace/events/workqueue.h b/kernel/include/trace/events/workqueue.h
new file mode 100644 (file)
index 0000000..bf0e18b
--- /dev/null
+++ b/kernel/include/trace/events/workqueue.h
@@ -0,0 +1,121 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM workqueue
+
+#if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_WORKQUEUE_H
+
+#include <linux/tracepoint.h>
+#include <linux/workqueue.h>
+
+DECLARE_EVENT_CLASS(workqueue_work,
+
+       TP_PROTO(struct work_struct *work),
+
+       TP_ARGS(work),
+
+       TP_STRUCT__entry(
+               __field( void *,        work    )
+       ),
+
+       TP_fast_assign(
+               __entry->work           = work;
+       ),
+
+       TP_printk("work struct %p", __entry->work)
+);
+
+/**
+ * workqueue_queue_work - called when a work gets queued
+ * @req_cpu:   the requested cpu
+ * @pwq:       pointer to struct pool_workqueue
+ * @work:      pointer to struct work_struct
+ *
+ * This event occurs when a work is queued immediately or once a
+ * delayed work is actually queued on a workqueue (ie: once the delay
+ * has been reached).
+ */
+TRACE_EVENT(workqueue_queue_work,
+
+       TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
+                struct work_struct *work),
+
+       TP_ARGS(req_cpu, pwq, work),
+
+       TP_STRUCT__entry(
+               __field( void *,        work    )
+               __field( void *,        function)
+               __field( void *,        workqueue)
+               __field( unsigned int,  req_cpu )
+               __field( unsigned int,  cpu     )
+       ),
+
+       TP_fast_assign(
+               __entry->work           = work;
+               __entry->function       = work->func;
+               __entry->workqueue      = pwq->wq;
+               __entry->req_cpu        = req_cpu;
+               __entry->cpu            = pwq->pool->cpu;
+       ),
+
+       TP_printk("work struct=%p function=%pf workqueue=%p req_cpu=%u cpu=%u",
+                 __entry->work, __entry->function, __entry->workqueue,
+                 __entry->req_cpu, __entry->cpu)
+);
+
+/**
+ * workqueue_activate_work - called when a work gets activated
+ * @work:      pointer to struct work_struct
+ *
+ * This event occurs when a queued work is put on the active queue,
+ * which happens immediately after queueing unless @max_active limit
+ * is reached.
+ */
+DEFINE_EVENT(workqueue_work, workqueue_activate_work,
+
+       TP_PROTO(struct work_struct *work),
+
+       TP_ARGS(work)
+);
+
+/**
+ * workqueue_execute_start - called immediately before the workqueue callback
+ * @work:      pointer to struct work_struct
+ *
+ * Allows to track workqueue execution.
+ */
+TRACE_EVENT(workqueue_execute_start,
+
+       TP_PROTO(struct work_struct *work),
+
+       TP_ARGS(work),
+
+       TP_STRUCT__entry(
+               __field( void *,        work    )
+               __field( void *,        function)
+       ),
+
+       TP_fast_assign(
+               __entry->work           = work;
+               __entry->function       = work->func;
+       ),
+
+       TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
+);
+
+/**
+ * workqueue_execute_end - called immediately after the workqueue callback
+ * @work:      pointer to struct work_struct
+ *
+ * Allows to track workqueue execution.
+ */
+DEFINE_EVENT(workqueue_work, workqueue_execute_end,
+
+       TP_PROTO(struct work_struct *work),
+
+       TP_ARGS(work)
+);
+
+#endif /*  _TRACE_WORKQUEUE_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>