net/batman-adv/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) B.A.T.M.A.N. contributors:
   3  *
   4  * Sven Eckelmann
   5  */
   6
   7 #if !defined(_NET_BATMAN_ADV_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
   8 #define _NET_BATMAN_ADV_TRACE_H_
   9
  10 #include "main.h"
  11
  12 #include <linux/netdevice.h>
  13 #include <linux/percpu.h>
  14 #include <linux/printk.h>
  15 #include <linux/tracepoint.h>
  16
  17 #undef TRACE_SYSTEM
  18 #define TRACE_SYSTEM batadv
  19
  20 /* provide dummy function when tracing is disabled */
  21 #if !defined(CONFIG_BATMAN_ADV_TRACING)
  22
  23 #undef TRACE_EVENT
  24 #define TRACE_EVENT(name, proto, ...) \
  25         static inline void trace_ ## name(proto) {}
  26
  27 #endif /* CONFIG_BATMAN_ADV_TRACING */
  28
  29 TRACE_EVENT(batadv_dbg,
  30
  31             TP_PROTO(struct batadv_priv *bat_priv,
  32                      struct va_format *vaf),
  33
  34             TP_ARGS(bat_priv, vaf),
  35
  36             TP_STRUCT__entry(
  37                     __string(device, bat_priv->soft_iface->name)
  38                     __string(driver, KBUILD_MODNAME)
  39                     __vstring(msg, vaf->fmt, vaf->va)
  40             ),
  41
  42             TP_fast_assign(
  43                     __assign_str(device, bat_priv->soft_iface->name);
  44                     __assign_str(driver, KBUILD_MODNAME);
  45                     __assign_vstr(msg, vaf->fmt, vaf->va);
  46             ),
  47
  48             TP_printk(
  49                     "%s %s %s",
  50                     __get_str(driver),
  51                     __get_str(device),
  52                     __get_str(msg)
  53             )
  54 );
  55
  56 #endif /* _NET_BATMAN_ADV_TRACE_H_ || TRACE_HEADER_MULTI_READ */
  57
  58 #undef TRACE_INCLUDE_PATH
  59 #define TRACE_INCLUDE_PATH .
  60 #undef TRACE_INCLUDE_FILE
  61 #define TRACE_INCLUDE_FILE trace
  62
  63 /* This part must be outside protection */
  64 #include <trace/define_trace.h>