drivers/net/ethernet/intel/i40e/i40e_trace.h

   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>