1 | /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
2 | /* |
3 | * Copyright(c) 2015 - 2018 Intel Corporation. |
4 | */ |
5 | |
6 | #if !defined(__HFI1_TRACE_EXTRA_H) || defined(TRACE_HEADER_MULTI_READ) |
7 | #define |
8 | |
9 | #include <linux/tracepoint.h> |
10 | #include <linux/trace_seq.h> |
11 | |
12 | #include "hfi.h" |
13 | |
14 | /* |
15 | * Note: |
16 | * This produces a REALLY ugly trace in the console output when the string is |
17 | * too long. |
18 | */ |
19 | |
20 | #undef TRACE_SYSTEM |
21 | #define TRACE_SYSTEM hfi1_dbg |
22 | |
23 | #define MAX_MSG_LEN 512 |
24 | |
25 | #pragma GCC diagnostic push |
26 | #ifndef __clang__ |
27 | #pragma GCC diagnostic ignored "-Wsuggest-attribute=format" |
28 | #endif |
29 | |
30 | DECLARE_EVENT_CLASS(hfi1_trace_template, |
31 | TP_PROTO(const char *function, struct va_format *vaf), |
32 | TP_ARGS(function, vaf), |
33 | TP_STRUCT__entry(__string(function, function) |
34 | __vstring(msg, vaf->fmt, vaf->va) |
35 | ), |
36 | TP_fast_assign(__assign_str(function, function); |
37 | __assign_vstr(msg, vaf->fmt, vaf->va); |
38 | ), |
39 | TP_printk("(%s) %s" , |
40 | __get_str(function), |
41 | __get_str(msg)) |
42 | ); |
43 | |
44 | #pragma GCC diagnostic pop |
45 | |
46 | /* |
47 | * It may be nice to macroize the __hfi1_trace but the va_* stuff requires an |
48 | * actual function to work and can not be in a macro. |
49 | */ |
50 | #define __hfi1_trace_def(lvl) \ |
51 | void __printf(2, 3) __hfi1_trace_##lvl(const char *funct, char *fmt, ...); \ |
52 | \ |
53 | DEFINE_EVENT(hfi1_trace_template, hfi1_ ##lvl, \ |
54 | TP_PROTO(const char *function, struct va_format *vaf), \ |
55 | TP_ARGS(function, vaf)) |
56 | |
57 | #define __hfi1_trace_fn(lvl) \ |
58 | void __printf(2, 3) __hfi1_trace_##lvl(const char *func, char *fmt, ...)\ |
59 | { \ |
60 | struct va_format vaf = { \ |
61 | .fmt = fmt, \ |
62 | }; \ |
63 | va_list args; \ |
64 | \ |
65 | va_start(args, fmt); \ |
66 | vaf.va = &args; \ |
67 | trace_hfi1_ ##lvl(func, &vaf); \ |
68 | va_end(args); \ |
69 | return; \ |
70 | } |
71 | |
72 | /* |
73 | * To create a new trace level simply define it below and as a __hfi1_trace_fn |
74 | * in trace.c. This will create all the hooks for calling |
75 | * hfi1_cdbg(LVL, fmt, ...); as well as take care of all |
76 | * the debugfs stuff. |
77 | */ |
78 | __hfi1_trace_def(AFFINITY); |
79 | __hfi1_trace_def(PKT); |
80 | __hfi1_trace_def(PROC); |
81 | __hfi1_trace_def(SDMA); |
82 | __hfi1_trace_def(LINKVERB); |
83 | __hfi1_trace_def(DEBUG); |
84 | __hfi1_trace_def(SNOOP); |
85 | __hfi1_trace_def(CNTR); |
86 | __hfi1_trace_def(PIO); |
87 | __hfi1_trace_def(DC8051); |
88 | __hfi1_trace_def(FIRMWARE); |
89 | __hfi1_trace_def(RCVCTRL); |
90 | __hfi1_trace_def(TID); |
91 | __hfi1_trace_def(MMU); |
92 | __hfi1_trace_def(IOCTL); |
93 | |
94 | #define hfi1_cdbg(which, fmt, ...) \ |
95 | __hfi1_trace_##which(__func__, fmt, ##__VA_ARGS__) |
96 | |
97 | #define hfi1_dbg(fmt, ...) \ |
98 | hfi1_cdbg(DEBUG, fmt, ##__VA_ARGS__) |
99 | |
100 | /* |
101 | * Define HFI1_EARLY_DBG at compile time or here to enable early trace |
102 | * messages. Do not check in an enablement for this. |
103 | */ |
104 | |
105 | #ifdef HFI1_EARLY_DBG |
106 | #define hfi1_dbg_early(fmt, ...) \ |
107 | trace_printk(fmt, ##__VA_ARGS__) |
108 | #else |
109 | #define hfi1_dbg_early(fmt, ...) |
110 | #endif |
111 | |
112 | #endif /* __HFI1_TRACE_EXTRA_H */ |
113 | |
114 | #undef TRACE_INCLUDE_PATH |
115 | #undef TRACE_INCLUDE_FILE |
116 | #define TRACE_INCLUDE_PATH . |
117 | #define TRACE_INCLUDE_FILE trace_dbg |
118 | #include <trace/define_trace.h> |
119 | |