instrumentation/events/mainline/napi.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM napi
   3
   4 #if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_NAPI_H_
   6
   7 #include <linux/netdevice.h>
   8 #include <linux/tracepoint.h>
   9 #include <linux/ftrace.h>
  10
  11 #define NO_DEV "(no_device)"
  12
  13 TRACE_EVENT(napi_poll,
  14
  15         TP_PROTO(struct napi_struct *napi),
  16
  17         TP_ARGS(napi),
  18
  19         TP_STRUCT__entry(
  20                 __field(        struct napi_struct *,   napi)
  21                 __string(       dev_name, napi->dev ? napi->dev->name : NO_DEV)
  22         ),
  23
  24         TP_fast_assign(
  25                 __entry->napi = napi;
  26                 __assign_str(dev_name, napi->dev ? napi->dev->name : NO_DEV);
  27         ),
  28
  29         TP_printk("napi poll on napi struct %p for device %s",
  30                 __entry->napi, __get_str(dev_name))
  31 );
  32
  33 #undef NO_DEV
  34
  35 #endif /* _TRACE_NAPI_H_ */
  36
  37 /* This part must be outside protection */
  38 #include <trace/define_trace.h>