xref: /linux/drivers/net/wireless/ath/trace.h (revision a13d7201d7deedcbb6ac6efa94a1a7d34d3d79ec)
1 /*
2  * Copyright (c) 2014 Qualcomm Atheros, Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #if !defined(_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
18 #define _TRACE_H
19 
20 #include <linux/tracepoint.h>
21 #include "ath.h"
22 
23 #undef TRACE_SYSTEM
24 #define TRACE_SYSTEM ath
25 
26 #if !defined(CONFIG_ATH_TRACEPOINTS)
27 
28 #undef TRACE_EVENT
29 #define TRACE_EVENT(name, proto, ...) static inline void trace_ ## name(proto) {}
30 
31 #endif /* CONFIG_ATH_TRACEPOINTS */
32 
33 TRACE_EVENT(ath_log,
34 
35 	    TP_PROTO(struct wiphy *wiphy,
36 		     struct va_format *vaf),
37 
38 	    TP_ARGS(wiphy, vaf),
39 
40 	    TP_STRUCT__entry(
41 		    __string(device, wiphy_name(wiphy))
42 		    __string(driver, KBUILD_MODNAME)
43 		    __dynamic_array(char, msg, ATH_DBG_MAX_LEN)
44 	    ),
45 
46 	    TP_fast_assign(
47 		    __assign_str(device, wiphy_name(wiphy));
48 		    __assign_str(driver, KBUILD_MODNAME);
49 		    WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
50 					   ATH_DBG_MAX_LEN,
51 					   vaf->fmt,
52 					   *vaf->va) >= ATH_DBG_MAX_LEN);
53 	    ),
54 
55 	    TP_printk(
56 		    "%s %s %s",
57 		    __get_str(driver),
58 		    __get_str(device),
59 		    __get_str(msg)
60 	    )
61 );
62 
63 #endif /* _TRACE_H || TRACE_HEADER_MULTI_READ */
64 
65 #undef TRACE_INCLUDE_PATH
66 #define TRACE_INCLUDE_PATH .
67 #undef TRACE_INCLUDE_FILE
68 #define TRACE_INCLUDE_FILE trace
69 
70 /* This part must be outside protection */
71 #include <trace/define_trace.h>
72