1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM qdisc
3 
4 #if !defined(_TRACE_QDISC_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_QDISC_H
6 
7 #include <linux/skbuff.h>
8 #include <linux/netdevice.h>
9 #include <linux/tracepoint.h>
10 #include <linux/ftrace.h>
11 #include <linux/pkt_sched.h>
12 #include <net/sch_generic.h>
13 
14 TRACE_EVENT(qdisc_dequeue,
15 
16 	TP_PROTO(struct Qdisc *qdisc, const struct netdev_queue *txq,
17 		 int packets, struct sk_buff *skb),
18 
19 	TP_ARGS(qdisc, txq, packets, skb),
20 
21 	TP_STRUCT__entry(
22 		__field(	struct Qdisc *,		qdisc	)
23 		__field(const	struct netdev_queue *,	txq	)
24 		__field(	int,			packets	)
25 		__field(	void *,			skbaddr	)
26 		__field(	int,			ifindex	)
27 		__field(	u32,			handle	)
28 		__field(	u32,			parent	)
29 		__field(	unsigned long,		txq_state)
30 	),
31 
32 	/* skb==NULL indicate packets dequeued was 0, even when packets==1 */
33 	TP_fast_assign(
34 		__entry->qdisc		= qdisc;
35 		__entry->txq		= txq;
36 		__entry->packets	= skb ? packets : 0;
37 		__entry->skbaddr	= skb;
38 		__entry->ifindex	= txq->dev ? txq->dev->ifindex : 0;
39 		__entry->handle		= qdisc->handle;
40 		__entry->parent		= qdisc->parent;
41 		__entry->txq_state	= txq->state;
42 	),
43 
44 	TP_printk("dequeue ifindex=%d qdisc handle=0x%X parent=0x%X txq_state=0x%lX packets=%d skbaddr=%p",
45 		  __entry->ifindex, __entry->handle, __entry->parent,
46 		  __entry->txq_state, __entry->packets, __entry->skbaddr )
47 );
48 
49 TRACE_EVENT(qdisc_enqueue,
50 
51 	TP_PROTO(struct Qdisc *qdisc, const struct netdev_queue *txq, struct sk_buff *skb),
52 
53 	TP_ARGS(qdisc, txq, skb),
54 
55 	TP_STRUCT__entry(
56 		__field(struct Qdisc *, qdisc)
57 		__field(const struct netdev_queue *, txq)
58 		__field(void *,	skbaddr)
59 		__field(int, ifindex)
60 		__field(u32, handle)
61 		__field(u32, parent)
62 	),
63 
64 	TP_fast_assign(
65 		__entry->qdisc = qdisc;
66 		__entry->txq	 = txq;
67 		__entry->skbaddr = skb;
68 		__entry->ifindex = txq->dev ? txq->dev->ifindex : 0;
69 		__entry->handle	 = qdisc->handle;
70 		__entry->parent	 = qdisc->parent;
71 	),
72 
73 	TP_printk("enqueue ifindex=%d qdisc handle=0x%X parent=0x%X skbaddr=%p",
74 		  __entry->ifindex, __entry->handle, __entry->parent, __entry->skbaddr)
75 );
76 
77 TRACE_EVENT(qdisc_reset,
78 
79 	TP_PROTO(struct Qdisc *q),
80 
81 	TP_ARGS(q),
82 
83 	TP_STRUCT__entry(
84 		__string(	dev,		qdisc_dev(q)	)
85 		__string(	kind,		q->ops->id	)
86 		__field(	u32,		parent		)
87 		__field(	u32,		handle		)
88 	),
89 
90 	TP_fast_assign(
91 		__assign_str(dev, qdisc_dev(q));
92 		__assign_str(kind, q->ops->id);
93 		__entry->parent = q->parent;
94 		__entry->handle = q->handle;
95 	),
96 
97 	TP_printk("dev=%s kind=%s parent=%x:%x handle=%x:%x", __get_str(dev),
98 		  __get_str(kind), TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent),
99 		  TC_H_MAJ(__entry->handle) >> 16, TC_H_MIN(__entry->handle))
100 );
101 
102 TRACE_EVENT(qdisc_destroy,
103 
104 	TP_PROTO(struct Qdisc *q),
105 
106 	TP_ARGS(q),
107 
108 	TP_STRUCT__entry(
109 		__string(	dev,		qdisc_dev(q)	)
110 		__string(	kind,		q->ops->id	)
111 		__field(	u32,		parent		)
112 		__field(	u32,		handle		)
113 	),
114 
115 	TP_fast_assign(
116 		__assign_str(dev, qdisc_dev(q));
117 		__assign_str(kind, q->ops->id);
118 		__entry->parent = q->parent;
119 		__entry->handle = q->handle;
120 	),
121 
122 	TP_printk("dev=%s kind=%s parent=%x:%x handle=%x:%x", __get_str(dev),
123 		  __get_str(kind), TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent),
124 		  TC_H_MAJ(__entry->handle) >> 16, TC_H_MIN(__entry->handle))
125 );
126 
127 TRACE_EVENT(qdisc_create,
128 
129 	TP_PROTO(const struct Qdisc_ops *ops, struct net_device *dev, u32 parent),
130 
131 	TP_ARGS(ops, dev, parent),
132 
133 	TP_STRUCT__entry(
134 		__string(	dev,		dev->name	)
135 		__string(	kind,		ops->id		)
136 		__field(	u32,		parent		)
137 	),
138 
139 	TP_fast_assign(
140 		__assign_str(dev, dev->name);
141 		__assign_str(kind, ops->id);
142 		__entry->parent = parent;
143 	),
144 
145 	TP_printk("dev=%s kind=%s parent=%x:%x",
146 		  __get_str(dev), __get_str(kind),
147 		  TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent))
148 );
149 
150 #endif /* _TRACE_QDISC_H */
151 
152 /* This part must be outside protection */
153 #include <trace/define_trace.h>
154