LXR linux/net/mac80211/trace

   1#ifdef CONFIG_MAC80211_MESSAGE_TRACING
   2
   3#if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
   4#define __MAC80211_MSG_DRIVER_TRACE
   5
   6#include <linux/tracepoint.h>
   7#include <net/mac80211.h>
   8#include "ieee80211_i.h"
   9
  10#undef TRACE_SYSTEM
  11#define TRACE_SYSTEM mac80211_msg
  12
  13#define MAX_MSG_LEN     100
  14
  15DECLARE_EVENT_CLASS(mac80211_msg_event,
  16        TP_PROTO(struct va_format *vaf),
  17
  18        TP_ARGS(vaf),
  19
  20        TP_STRUCT__entry(
  21                __dynamic_array(char, msg, MAX_MSG_LEN)
  22        ),
  23
  24        TP_fast_assign(
  25                WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  26                                       MAX_MSG_LEN, vaf->fmt,
  27                                       *vaf->va) >= MAX_MSG_LEN);
  28        ),
  29
  30        TP_printk("%s", __get_str(msg))
  31);
  32
  33DEFINE_EVENT(mac80211_msg_event, mac80211_info,
  34        TP_PROTO(struct va_format *vaf),
  35        TP_ARGS(vaf)
  36);
  37DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
  38        TP_PROTO(struct va_format *vaf),
  39        TP_ARGS(vaf)
  40);
  41DEFINE_EVENT(mac80211_msg_event, mac80211_err,
  42        TP_PROTO(struct va_format *vaf),
  43        TP_ARGS(vaf)
  44);
  45#endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
  46
  47#undef TRACE_INCLUDE_PATH
  48#define TRACE_INCLUDE_PATH .
  49#undef TRACE_INCLUDE_FILE
  50#define TRACE_INCLUDE_FILE trace_msg
  51#include <trace/define_trace.h>
  52
  53#endif
  54