Quelle  napi.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM napi

#if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NAPI_H

#include <linux/netdevice.h>
#include <linux/tracepoint.h>
#include <linux/ftrace.h>

#define NO_DEV "(no_device)"

TRACE_EVENT(napi_poll,

 TP_PROTO(struct napi_struct *napi, int work, int budget),

 TP_ARGS(napi, work, budget),

 TP_STRUCT__entry(
  __field( struct napi_struct *, napi)
  __string( dev_name, napi->dev ? napi->dev->name : NO_DEV)
  __field( int,   work)
  __field( int,   budget)
 ),

 TP_fast_assign(
  __entry->napi = napi;
  __assign_str(dev_name);
  __entry->work = work;
  __entry->budget = budget;
 ),

 TP_printk("napi poll on napi struct %p for device %s work %d budget %d",
    __entry->napi, __get_str(dev_name),
    __entry->work, __entry->budget)
);

TRACE_EVENT(dql_stall_detected,

 TP_PROTO(unsigned short thrs, unsigned int len,
   unsigned long last_reap, unsigned long hist_head,
   unsigned long now, unsigned long *hist),

 TP_ARGS(thrs, len, last_reap, hist_head, now, hist),

 TP_STRUCT__entry(
  __field( unsigned short,  thrs)
  __field( unsigned int,  len)
  __field( unsigned long,  last_reap)
  __field( unsigned long,  hist_head)
  __field( unsigned long,  now)
  __array( unsigned long,  hist, 4)
 ),

 TP_fast_assign(
  __entry->thrs = thrs;
  __entry->len = len;
  __entry->last_reap = last_reap;
  __entry->hist_head = hist_head * BITS_PER_LONG;
  __entry->now = now;
  memcpy(__entry->hist, hist, sizeof(entry->hist));
 ),

 TP_printk("thrs %u len %u last_reap %lu hist_head %lu now %lu hist %016lx %016lx %016lx %016lx",
    __entry->thrs, __entry->len,
    __entry->last_reap, __entry->hist_head, __entry->now,
    __entry->hist[0], __entry->hist[1],
    __entry->hist[2], __entry->hist[3])
);

#undef NO_DEV

#endif /* _TRACE_NAPI_H */

/* This part must be outside protection */
#include <trace/define_trace.h>