projects/linux·blob master · refs

204 lines · 5.0 KiB

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
14TRACE_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
49TRACE_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#undef FN
78#undef FNe
79#define FN(reason) TRACE_DEFINE_ENUM(QDISC_DROP_##reason);
80#define FNe(reason) TRACE_DEFINE_ENUM(QDISC_DROP_##reason);
81DEFINE_QDISC_DROP_REASON(FN, FNe)
82
83#undef FN
84#undef FNe
85#define FN(reason) { QDISC_DROP_##reason, #reason },
86#define FNe(reason) { QDISC_DROP_##reason, #reason }
87
88TRACE_EVENT(qdisc_drop,
89
90 TP_PROTO(struct Qdisc *qdisc, const struct netdev_queue *txq,
91 struct net_device *dev, struct sk_buff *skb,
92 enum qdisc_drop_reason reason),
93
94 TP_ARGS(qdisc, txq, dev, skb, reason),
95
96 TP_STRUCT__entry(
97 __field(struct Qdisc *, qdisc)
98 __field(const struct netdev_queue *, txq)
99 __field(void *, skbaddr)
100 __field(int, ifindex)
101 __field(u32, handle)
102 __field(u32, parent)
103 __field(enum qdisc_drop_reason, reason)
104 __string(kind, qdisc->ops->id)
105 ),
106
107 TP_fast_assign(
108 __entry->qdisc = qdisc;
109 __entry->txq = txq;
110 __entry->skbaddr = skb;
111 __entry->ifindex = dev ? dev->ifindex : 0;
112 __entry->handle = qdisc->handle;
113 __entry->parent = qdisc->parent;
114 __entry->reason = reason;
115 __assign_str(kind);
116 ),
117
118 TP_printk("drop ifindex=%d kind=%s handle=0x%X parent=0x%X skbaddr=%p reason=%s",
119 __entry->ifindex, __get_str(kind), __entry->handle,
120 __entry->parent, __entry->skbaddr,
121 __print_symbolic(__entry->reason,
122 DEFINE_QDISC_DROP_REASON(FN, FNe)))
123);
124
125#undef FN
126#undef FNe
127
128TRACE_EVENT(qdisc_reset,
129
130 TP_PROTO(struct Qdisc *q),
131
132 TP_ARGS(q),
133
134 TP_STRUCT__entry(
135 __string( dev, qdisc_dev(q) ? qdisc_dev(q)->name : "(null)" )
136 __string( kind, q->ops->id )
137 __field( u32, parent )
138 __field( u32, handle )
139 ),
140
141 TP_fast_assign(
142 __assign_str(dev);
143 __assign_str(kind);
144 __entry->parent = q->parent;
145 __entry->handle = q->handle;
146 ),
147
148 TP_printk("dev=%s kind=%s parent=%x:%x handle=%x:%x", __get_str(dev),
149 __get_str(kind), TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent),
150 TC_H_MAJ(__entry->handle) >> 16, TC_H_MIN(__entry->handle))
151);
152
153TRACE_EVENT(qdisc_destroy,
154
155 TP_PROTO(struct Qdisc *q),
156
157 TP_ARGS(q),
158
159 TP_STRUCT__entry(
160 __string( dev, qdisc_dev(q)->name )
161 __string( kind, q->ops->id )
162 __field( u32, parent )
163 __field( u32, handle )
164 ),
165
166 TP_fast_assign(
167 __assign_str(dev);
168 __assign_str(kind);
169 __entry->parent = q->parent;
170 __entry->handle = q->handle;
171 ),
172
173 TP_printk("dev=%s kind=%s parent=%x:%x handle=%x:%x", __get_str(dev),
174 __get_str(kind), TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent),
175 TC_H_MAJ(__entry->handle) >> 16, TC_H_MIN(__entry->handle))
176);
177
178TRACE_EVENT(qdisc_create,
179
180 TP_PROTO(const struct Qdisc_ops *ops, struct net_device *dev, u32 parent),
181
182 TP_ARGS(ops, dev, parent),
183
184 TP_STRUCT__entry(
185 __string( dev, dev->name )
186 __string( kind, ops->id )
187 __field( u32, parent )
188 ),
189
190 TP_fast_assign(
191 __assign_str(dev);
192 __assign_str(kind);
193 __entry->parent = parent;
194 ),
195
196 TP_printk("dev=%s kind=%s parent=%x:%x",
197 __get_str(dev), __get_str(kind),
198 TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent))
199);
200
201#endif /* _TRACE_QDISC_H */
202
203/* This part must be outside protection */
204#include <trace/define_trace.h>