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
29TRACE_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->mesh_iface->name)
38		    __string(driver, KBUILD_MODNAME)
39		    __vstring(msg, vaf->fmt, vaf->va)
40	    ),
41
42	    TP_fast_assign(
43		    __assign_str(device);
44		    __assign_str(driver);
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>