xref: /linux/drivers/net/ethernet/intel/i40e/i40e_trace.h (revision afeea2758b4f1210361ce2a91d8fa3e7df606ad2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
3 
4 /* Modeled on trace-events-sample.h */
5 
6 /* The trace subsystem name for i40e will be "i40e".
7  *
8  * This file is named i40e_trace.h.
9  *
10  * Since this include file's name is different from the trace
11  * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end
12  * of this file.
13  */
14 #undef TRACE_SYSTEM
15 #define TRACE_SYSTEM i40e
16 
17 /* See trace-events-sample.h for a detailed description of why this
18  * guard clause is different from most normal include files.
19  */
20 #if !defined(_I40E_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
21 #define _I40E_TRACE_H_
22 
23 #include <linux/tracepoint.h>
24 
25 /*
26  * i40e_trace() macro enables shared code to refer to trace points
27  * like:
28  *
29  * trace_i40e{,vf}_example(args...)
30  *
31  * ... as:
32  *
33  * i40e_trace(example, args...)
34  *
35  * ... to resolve to the PF or VF version of the tracepoint without
36  * ifdefs, and to allow tracepoints to be disabled entirely at build
37  * time.
38  *
39  * Trace point should always be referred to in the driver via this
40  * macro.
41  *
42  * Similarly, i40e_trace_enabled(trace_name) wraps references to
43  * trace_i40e{,vf}_<trace_name>_enabled() functions.
44  */
45 #define _I40E_TRACE_NAME(trace_name) (trace_ ## i40e ## _ ## trace_name)
46 #define I40E_TRACE_NAME(trace_name) _I40E_TRACE_NAME(trace_name)
47 
48 #define i40e_trace(trace_name, args...) I40E_TRACE_NAME(trace_name)(args)
49 
50 #define i40e_trace_enabled(trace_name) I40E_TRACE_NAME(trace_name##_enabled)()
51 
52 /* Events common to PF and VF. Corresponding versions will be defined
53  * for both, named trace_i40e_* and trace_i40evf_*. The i40e_trace()
54  * macro above will select the right trace point name for the driver
55  * being built from shared code.
56  */
57 
58 #define NO_DEV "(i40e no_device)"
59 
60 TRACE_EVENT(i40e_napi_poll,
61 
62 	TP_PROTO(struct napi_struct *napi, struct i40e_q_vector *q, int budget,
63 		 int budget_per_ring, unsigned int rx_cleaned, unsigned int tx_cleaned,
64 		 bool rx_clean_complete, bool tx_clean_complete),
65 
66 	TP_ARGS(napi, q, budget, budget_per_ring, rx_cleaned, tx_cleaned,
67 		rx_clean_complete, tx_clean_complete),
68 
69 	TP_STRUCT__entry(
70 		__field(int, budget)
71 		__field(int, budget_per_ring)
72 		__field(unsigned int, rx_cleaned)
73 		__field(unsigned int, tx_cleaned)
74 		__field(int, rx_clean_complete)
75 		__field(int, tx_clean_complete)
76 		__field(int, irq_num)
77 		__field(int, curr_cpu)
78 		__string(qname, q->name)
79 		__string(dev_name, napi->dev ? napi->dev->name : NO_DEV)
80 		__bitmask(irq_affinity,	nr_cpumask_bits)
81 	),
82 
83 	TP_fast_assign(
84 		__entry->budget = budget;
85 		__entry->budget_per_ring = budget_per_ring;
86 		__entry->rx_cleaned = rx_cleaned;
87 		__entry->tx_cleaned = tx_cleaned;
88 		__entry->rx_clean_complete = rx_clean_complete;
89 		__entry->tx_clean_complete = tx_clean_complete;
90 		__entry->irq_num = q->irq_num;
91 		__entry->curr_cpu = get_cpu();
92 		__assign_str(qname);
93 		__assign_str(dev_name);
94 		__assign_bitmask(irq_affinity, cpumask_bits(&q->affinity_mask),
95 				 nr_cpumask_bits);
96 	),
97 
98 	TP_printk("i40e_napi_poll on dev %s q %s irq %d irq_mask %s curr_cpu %d "
99 		  "budget %d bpr %d rx_cleaned %u tx_cleaned %u "
100 		  "rx_clean_complete %d tx_clean_complete %d",
101 		__get_str(dev_name), __get_str(qname), __entry->irq_num,
102 		__get_bitmask(irq_affinity), __entry->curr_cpu, __entry->budget,
103 		__entry->budget_per_ring, __entry->rx_cleaned, __entry->tx_cleaned,
104 		__entry->rx_clean_complete, __entry->tx_clean_complete)
105 );
106 
107 /* Events related to a vsi & ring */
108 DECLARE_EVENT_CLASS(
109 	i40e_tx_template,
110 
111 	TP_PROTO(struct i40e_ring *ring,
112 		 struct i40e_tx_desc *desc,
113 		 struct i40e_tx_buffer *buf),
114 
115 	TP_ARGS(ring, desc, buf),
116 
117 	/* The convention here is to make the first fields in the
118 	 * TP_STRUCT match the TP_PROTO exactly. This enables the use
119 	 * of the args struct generated by the tplist tool (from the
120 	 * bcc-tools package) to be used for those fields. To access
121 	 * fields other than the tracepoint args will require the
122 	 * tplist output to be adjusted.
123 	 */
124 	TP_STRUCT__entry(
125 		__field(void*, ring)
126 		__field(void*, desc)
127 		__field(void*, buf)
128 		__string(devname, ring->netdev->name)
129 	),
130 
131 	TP_fast_assign(
132 		__entry->ring = ring;
133 		__entry->desc = desc;
134 		__entry->buf = buf;
135 		__assign_str(devname);
136 	),
137 
138 	TP_printk(
139 		"netdev: %s ring: %p desc: %p buf %p",
140 		__get_str(devname), __entry->ring,
141 		__entry->desc, __entry->buf)
142 );
143 
144 DEFINE_EVENT(
145 	i40e_tx_template, i40e_clean_tx_irq,
146 	TP_PROTO(struct i40e_ring *ring,
147 		 struct i40e_tx_desc *desc,
148 		 struct i40e_tx_buffer *buf),
149 
150 	TP_ARGS(ring, desc, buf));
151 
152 DEFINE_EVENT(
153 	i40e_tx_template, i40e_clean_tx_irq_unmap,
154 	TP_PROTO(struct i40e_ring *ring,
155 		 struct i40e_tx_desc *desc,
156 		 struct i40e_tx_buffer *buf),
157 
158 	TP_ARGS(ring, desc, buf));
159 
160 DECLARE_EVENT_CLASS(
161 	i40e_rx_template,
162 
163 	TP_PROTO(struct i40e_ring *ring,
164 		 union i40e_16byte_rx_desc *desc,
165 		 struct xdp_buff *xdp),
166 
167 	TP_ARGS(ring, desc, xdp),
168 
169 	TP_STRUCT__entry(
170 		__field(void*, ring)
171 		__field(void*, desc)
172 		__field(void*, xdp)
173 		__string(devname, ring->netdev->name)
174 	),
175 
176 	TP_fast_assign(
177 		__entry->ring = ring;
178 		__entry->desc = desc;
179 		__entry->xdp = xdp;
180 		__assign_str(devname);
181 	),
182 
183 	TP_printk(
184 		"netdev: %s ring: %p desc: %p xdp %p",
185 		__get_str(devname), __entry->ring,
186 		__entry->desc, __entry->xdp)
187 );
188 
189 DEFINE_EVENT(
190 	i40e_rx_template, i40e_clean_rx_irq,
191 	TP_PROTO(struct i40e_ring *ring,
192 		 union i40e_16byte_rx_desc *desc,
193 		 struct xdp_buff *xdp),
194 
195 	TP_ARGS(ring, desc, xdp));
196 
197 DEFINE_EVENT(
198 	i40e_rx_template, i40e_clean_rx_irq_rx,
199 	TP_PROTO(struct i40e_ring *ring,
200 		 union i40e_16byte_rx_desc *desc,
201 		 struct xdp_buff *xdp),
202 
203 	TP_ARGS(ring, desc, xdp));
204 
205 DECLARE_EVENT_CLASS(
206 	i40e_xmit_template,
207 
208 	TP_PROTO(struct sk_buff *skb,
209 		 struct i40e_ring *ring),
210 
211 	TP_ARGS(skb, ring),
212 
213 	TP_STRUCT__entry(
214 		__field(void*, skb)
215 		__field(void*, ring)
216 		__string(devname, ring->netdev->name)
217 	),
218 
219 	TP_fast_assign(
220 		__entry->skb = skb;
221 		__entry->ring = ring;
222 		__assign_str(devname);
223 	),
224 
225 	TP_printk(
226 		"netdev: %s skb: %p ring: %p",
227 		__get_str(devname), __entry->skb,
228 		__entry->ring)
229 );
230 
231 DEFINE_EVENT(
232 	i40e_xmit_template, i40e_xmit_frame_ring,
233 	TP_PROTO(struct sk_buff *skb,
234 		 struct i40e_ring *ring),
235 
236 	TP_ARGS(skb, ring));
237 
238 DEFINE_EVENT(
239 	i40e_xmit_template, i40e_xmit_frame_ring_drop,
240 	TP_PROTO(struct sk_buff *skb,
241 		 struct i40e_ring *ring),
242 
243 	TP_ARGS(skb, ring));
244 
245 /* Events unique to the PF. */
246 
247 #endif /* _I40E_TRACE_H_ */
248 /* This must be outside ifdef _I40E_TRACE_H */
249 
250 /* This trace include file is not located in the .../include/trace
251  * with the kernel tracepoint definitions, because we're a loadable
252  * module.
253  */
254 #undef TRACE_INCLUDE_PATH
255 #define TRACE_INCLUDE_PATH .
256 #undef TRACE_INCLUDE_FILE
257 #define TRACE_INCLUDE_FILE i40e_trace
258 #include <trace/define_trace.h>
259