include/trace/events/napi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM napi
   4
   5 #if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_NAPI_H
   7
   8 #include <linux/netdevice.h>
   9 #include <linux/tracepoint.h>
  10 #include <linux/ftrace.h>
  11
  12 #define NO_DEV "(no_device)"
  13
  14 TRACE_EVENT(napi_poll,
  15
  16         TP_PROTO(struct napi_struct *napi, int work, int budget),
  17
  18         TP_ARGS(napi, work, budget),
  19
  20         TP_STRUCT__entry(
  21                 __field(        struct napi_struct *,   napi)
  22                 __string(       dev_name, napi->dev ? napi->dev->name : NO_DEV)
  23                 __field(        int,                    work)
  24                 __field(        int,                    budget)
  25         ),
  26
  27         TP_fast_assign(
  28                 __entry->napi = napi;
  29                 __assign_str(dev_name);
  30                 __entry->work = work;
  31                 __entry->budget = budget;
  32         ),
  33
  34         TP_printk("napi poll on napi struct %p for device %s work %d budget %d",
  35                   __entry->napi, __get_str(dev_name),
  36                   __entry->work, __entry->budget)
  37 );
  38
  39 TRACE_EVENT(dql_stall_detected,
  40
  41         TP_PROTO(unsigned short thrs, unsigned int len,
  42                  unsigned long last_reap, unsigned long hist_head,
  43                  unsigned long now, unsigned long *hist),
  44
  45         TP_ARGS(thrs, len, last_reap, hist_head, now, hist),
  46
  47         TP_STRUCT__entry(
  48                 __field(        unsigned short,         thrs)
  49                 __field(        unsigned int,           len)
  50                 __field(        unsigned long,          last_reap)
  51                 __field(        unsigned long,          hist_head)
  52                 __field(        unsigned long,          now)
  53                 __array(        unsigned long,          hist, 4)
  54         ),
  55
  56         TP_fast_assign(
  57                 __entry->thrs = thrs;
  58                 __entry->len = len;
  59                 __entry->last_reap = last_reap;
  60                 __entry->hist_head = hist_head * BITS_PER_LONG;
  61                 __entry->now = now;
  62                 memcpy(__entry->hist, hist, sizeof(entry->hist));
  63         ),
  64
  65         TP_printk("thrs %u  len %u  last_reap %lu  hist_head %lu  now %lu  hist %016lx %016lx %016lx %016lx",
  66                   __entry->thrs, __entry->len,
  67                   __entry->last_reap, __entry->hist_head, __entry->now,
  68                   __entry->hist[0], __entry->hist[1],
  69                   __entry->hist[2], __entry->hist[3])
  70 );
  71
  72 #undef NO_DEV
  73
  74 #endif /* _TRACE_NAPI_H */
  75
  76 /* This part must be outside protection */
  77 #include <trace/define_trace.h>