Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Stage 1 of the trace events. |
| 3 | * |
| 4 | * Override the macros in <trace/trace_events.h> to include the following: |
| 5 | * |
| 6 | * struct ftrace_raw_<call> { |
| 7 | * struct trace_entry ent; |
| 8 | * <type> <item>; |
| 9 | * <type2> <item2>[<len>]; |
| 10 | * [...] |
| 11 | * }; |
| 12 | * |
| 13 | * The <type> <item> is created by the __field(type, item) macro or |
| 14 | * the __array(type2, item2, len) macro. |
| 15 | * We simply do "type item;", and that will create the fields |
| 16 | * in the structure. |
| 17 | */ |
| 18 | |
| 19 | #include <linux/ftrace_event.h> |
| 20 | |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 21 | /* |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 22 | * DECLARE_EVENT_CLASS can be used to add a generic function |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 23 | * handlers for events. That is, if all events have the same |
| 24 | * parameters and just have distinct trace points. |
| 25 | * Each tracepoint can be defined with DEFINE_EVENT and that |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 26 | * will map the DECLARE_EVENT_CLASS to the tracepoint. |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 27 | * |
| 28 | * TRACE_EVENT is a one to one mapping between tracepoint and template. |
| 29 | */ |
| 30 | #undef TRACE_EVENT |
| 31 | #define TRACE_EVENT(name, proto, args, tstruct, assign, print) \ |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 32 | DECLARE_EVENT_CLASS(name, \ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 33 | PARAMS(proto), \ |
| 34 | PARAMS(args), \ |
| 35 | PARAMS(tstruct), \ |
| 36 | PARAMS(assign), \ |
| 37 | PARAMS(print)); \ |
| 38 | DEFINE_EVENT(name, name, PARAMS(proto), PARAMS(args)); |
| 39 | |
| 40 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 41 | #undef __field |
| 42 | #define __field(type, item) type item; |
| 43 | |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 44 | #undef __field_ext |
| 45 | #define __field_ext(type, item, filter_type) type item; |
| 46 | |
Steven Rostedt | 4d4c9cc | 2014-06-17 08:59:16 -0400 | [diff] [blame] | 47 | #undef __field_struct |
| 48 | #define __field_struct(type, item) type item; |
| 49 | |
| 50 | #undef __field_struct_ext |
| 51 | #define __field_struct_ext(type, item, filter_type) type item; |
| 52 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 53 | #undef __array |
| 54 | #define __array(type, item, len) type item[len]; |
| 55 | |
| 56 | #undef __dynamic_array |
Li Zefan | 7d536cb | 2009-07-16 10:54:02 +0800 | [diff] [blame] | 57 | #define __dynamic_array(type, item, len) u32 __data_loc_##item; |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 58 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 59 | #undef __string |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 60 | #define __string(item, src) __dynamic_array(char, item, -1) |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 61 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 62 | #undef __bitmask |
| 63 | #define __bitmask(item, nr_bits) __dynamic_array(char, item, -1) |
| 64 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 65 | #undef TP_STRUCT__entry |
| 66 | #define TP_STRUCT__entry(args...) args |
| 67 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 68 | #undef DECLARE_EVENT_CLASS |
| 69 | #define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print) \ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 70 | struct ftrace_raw_##name { \ |
| 71 | struct trace_entry ent; \ |
| 72 | tstruct \ |
| 73 | char __data[0]; \ |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 74 | }; \ |
| 75 | \ |
| 76 | static struct ftrace_event_class event_class_##name; |
| 77 | |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 78 | #undef DEFINE_EVENT |
| 79 | #define DEFINE_EVENT(template, name, proto, args) \ |
Steven Rostedt | 49c1774 | 2010-05-25 06:19:35 -0700 | [diff] [blame] | 80 | static struct ftrace_event_call __used \ |
Jeff Mahoney | 86c38a3 | 2010-02-24 13:59:23 -0500 | [diff] [blame] | 81 | __attribute__((__aligned__(4))) event_##name |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 82 | |
Steven Rostedt | f5abaa1 | 2013-06-20 11:44:44 -0400 | [diff] [blame] | 83 | #undef DEFINE_EVENT_FN |
| 84 | #define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg) \ |
| 85 | DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) |
| 86 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 87 | #undef DEFINE_EVENT_PRINT |
| 88 | #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ |
| 89 | DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) |
| 90 | |
Josh Stone | 9741987 | 2009-08-24 14:43:13 -0700 | [diff] [blame] | 91 | /* Callbacks are meaningless to ftrace. */ |
| 92 | #undef TRACE_EVENT_FN |
Frederic Weisbecker | 0dd7b74 | 2009-08-28 00:50:06 +0200 | [diff] [blame] | 93 | #define TRACE_EVENT_FN(name, proto, args, tstruct, \ |
| 94 | assign, print, reg, unreg) \ |
Frederic Weisbecker | 819ce45 | 2010-07-20 18:41:24 +0200 | [diff] [blame] | 95 | TRACE_EVENT(name, PARAMS(proto), PARAMS(args), \ |
| 96 | PARAMS(tstruct), PARAMS(assign), PARAMS(print)) \ |
Josh Stone | 9741987 | 2009-08-24 14:43:13 -0700 | [diff] [blame] | 97 | |
Frederic Weisbecker | 1ed0c59 | 2010-11-18 01:46:57 +0100 | [diff] [blame] | 98 | #undef TRACE_EVENT_FLAGS |
| 99 | #define TRACE_EVENT_FLAGS(name, value) \ |
Frederic Weisbecker | 53cf810b | 2010-11-18 02:11:42 +0100 | [diff] [blame] | 100 | __TRACE_EVENT_FLAGS(name, value) |
Frederic Weisbecker | 1ed0c59 | 2010-11-18 01:46:57 +0100 | [diff] [blame] | 101 | |
Peter Zijlstra | d5b5f39 | 2013-11-14 16:23:04 +0100 | [diff] [blame] | 102 | #undef TRACE_EVENT_PERF_PERM |
| 103 | #define TRACE_EVENT_PERF_PERM(name, expr...) \ |
| 104 | __TRACE_EVENT_PERF_PERM(name, expr) |
| 105 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 106 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 107 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 108 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 109 | /* |
| 110 | * Stage 2 of the trace events. |
| 111 | * |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 112 | * Include the following: |
| 113 | * |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 114 | * struct ftrace_data_offsets_<call> { |
Li Zefan | 7d536cb | 2009-07-16 10:54:02 +0800 | [diff] [blame] | 115 | * u32 <item1>; |
| 116 | * u32 <item2>; |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 117 | * [...] |
| 118 | * }; |
| 119 | * |
Li Zefan | 7d536cb | 2009-07-16 10:54:02 +0800 | [diff] [blame] | 120 | * The __dynamic_array() macro will create each u32 <item>, this is |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 121 | * to keep the offset of each array from the beginning of the event. |
Li Zefan | 7d536cb | 2009-07-16 10:54:02 +0800 | [diff] [blame] | 122 | * The size of an array is also encoded, in the higher 16 bits of <item>. |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 123 | */ |
| 124 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 125 | #undef __field |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 126 | #define __field(type, item) |
| 127 | |
| 128 | #undef __field_ext |
| 129 | #define __field_ext(type, item, filter_type) |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 130 | |
Steven Rostedt | 4d4c9cc | 2014-06-17 08:59:16 -0400 | [diff] [blame] | 131 | #undef __field_struct |
| 132 | #define __field_struct(type, item) |
| 133 | |
| 134 | #undef __field_struct_ext |
| 135 | #define __field_struct_ext(type, item, filter_type) |
| 136 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 137 | #undef __array |
| 138 | #define __array(type, item, len) |
| 139 | |
| 140 | #undef __dynamic_array |
Li Zefan | 7d536cb | 2009-07-16 10:54:02 +0800 | [diff] [blame] | 141 | #define __dynamic_array(type, item, len) u32 item; |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 142 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 143 | #undef __string |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 144 | #define __string(item, src) __dynamic_array(char, item, -1) |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 145 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 146 | #undef __bitmask |
| 147 | #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) |
| 148 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 149 | #undef DECLARE_EVENT_CLASS |
| 150 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 151 | struct ftrace_data_offsets_##call { \ |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 152 | tstruct; \ |
| 153 | }; |
| 154 | |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 155 | #undef DEFINE_EVENT |
| 156 | #define DEFINE_EVENT(template, name, proto, args) |
| 157 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 158 | #undef DEFINE_EVENT_PRINT |
| 159 | #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ |
| 160 | DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) |
| 161 | |
Frederic Weisbecker | 1ed0c59 | 2010-11-18 01:46:57 +0100 | [diff] [blame] | 162 | #undef TRACE_EVENT_FLAGS |
| 163 | #define TRACE_EVENT_FLAGS(event, flag) |
| 164 | |
Peter Zijlstra | d5b5f39 | 2013-11-14 16:23:04 +0100 | [diff] [blame] | 165 | #undef TRACE_EVENT_PERF_PERM |
| 166 | #define TRACE_EVENT_PERF_PERM(event, expr...) |
| 167 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 168 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 169 | |
| 170 | /* |
| 171 | * Stage 3 of the trace events. |
| 172 | * |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 173 | * Override the macros in <trace/trace_events.h> to include the following: |
| 174 | * |
| 175 | * enum print_line_t |
| 176 | * ftrace_raw_output_<call>(struct trace_iterator *iter, int flags) |
| 177 | * { |
| 178 | * struct trace_seq *s = &iter->seq; |
| 179 | * struct ftrace_raw_<call> *field; <-- defined in stage 1 |
| 180 | * struct trace_entry *entry; |
Lai Jiangshan | bc289ae | 2010-06-03 18:26:24 +0800 | [diff] [blame] | 181 | * struct trace_seq *p = &iter->tmp_seq; |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 182 | * int ret; |
| 183 | * |
| 184 | * entry = iter->ent; |
| 185 | * |
Steven Rostedt | 32c0eda | 2010-04-23 10:38:03 -0400 | [diff] [blame] | 186 | * if (entry->type != event_<call>->event.type) { |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 187 | * WARN_ON_ONCE(1); |
| 188 | * return TRACE_TYPE_UNHANDLED; |
| 189 | * } |
| 190 | * |
| 191 | * field = (typeof(field))entry; |
| 192 | * |
Steven Whitehouse | 56d8bd3 | 2009-06-03 14:52:03 +0100 | [diff] [blame] | 193 | * trace_seq_init(p); |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 194 | * ret = trace_seq_printf(s, "%s: ", <call>); |
| 195 | * if (ret) |
| 196 | * ret = trace_seq_printf(s, <TP_printk> "\n"); |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 197 | * if (!ret) |
| 198 | * return TRACE_TYPE_PARTIAL_LINE; |
| 199 | * |
| 200 | * return TRACE_TYPE_HANDLED; |
| 201 | * } |
| 202 | * |
| 203 | * This is the method used to print the raw event to the trace |
| 204 | * output format. Note, this is not needed if the data is read |
| 205 | * in binary. |
| 206 | */ |
| 207 | |
| 208 | #undef __entry |
| 209 | #define __entry field |
| 210 | |
| 211 | #undef TP_printk |
| 212 | #define TP_printk(fmt, args...) fmt "\n", args |
| 213 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 214 | #undef __get_dynamic_array |
| 215 | #define __get_dynamic_array(field) \ |
Li Zefan | 7d536cb | 2009-07-16 10:54:02 +0800 | [diff] [blame] | 216 | ((void *)__entry + (__entry->__data_loc_##field & 0xffff)) |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 217 | |
Steven Rostedt (Red Hat) | beba4bb | 2014-06-04 14:29:33 -0400 | [diff] [blame] | 218 | #undef __get_dynamic_array_len |
| 219 | #define __get_dynamic_array_len(field) \ |
| 220 | ((__entry->__data_loc_##field >> 16) & 0xffff) |
| 221 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 222 | #undef __get_str |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 223 | #define __get_str(field) (char *)__get_dynamic_array(field) |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 224 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 225 | #undef __get_bitmask |
| 226 | #define __get_bitmask(field) \ |
| 227 | ({ \ |
| 228 | void *__bitmask = __get_dynamic_array(field); \ |
| 229 | unsigned int __bitmask_size; \ |
Steven Rostedt (Red Hat) | beba4bb | 2014-06-04 14:29:33 -0400 | [diff] [blame] | 230 | __bitmask_size = __get_dynamic_array_len(field); \ |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 231 | ftrace_print_bitmask_seq(p, __bitmask, __bitmask_size); \ |
| 232 | }) |
| 233 | |
Steven Rostedt | be74b73 | 2009-05-26 20:25:22 +0200 | [diff] [blame] | 234 | #undef __print_flags |
| 235 | #define __print_flags(flag, delim, flag_array...) \ |
| 236 | ({ \ |
Steven Rostedt | a48f494 | 2009-09-14 11:18:02 -0400 | [diff] [blame] | 237 | static const struct trace_print_flags __flags[] = \ |
Steven Rostedt | be74b73 | 2009-05-26 20:25:22 +0200 | [diff] [blame] | 238 | { flag_array, { -1, NULL }}; \ |
Steven Rostedt | a48f494 | 2009-09-14 11:18:02 -0400 | [diff] [blame] | 239 | ftrace_print_flags_seq(p, delim, flag, __flags); \ |
Steven Rostedt | be74b73 | 2009-05-26 20:25:22 +0200 | [diff] [blame] | 240 | }) |
| 241 | |
Steven Rostedt | 0f4fc29 | 2009-05-20 19:21:47 -0400 | [diff] [blame] | 242 | #undef __print_symbolic |
| 243 | #define __print_symbolic(value, symbol_array...) \ |
| 244 | ({ \ |
| 245 | static const struct trace_print_flags symbols[] = \ |
| 246 | { symbol_array, { -1, NULL }}; \ |
| 247 | ftrace_print_symbols_seq(p, value, symbols); \ |
| 248 | }) |
| 249 | |
liubo | 2fc1b6f | 2011-04-19 09:35:28 +0800 | [diff] [blame] | 250 | #undef __print_symbolic_u64 |
| 251 | #if BITS_PER_LONG == 32 |
| 252 | #define __print_symbolic_u64(value, symbol_array...) \ |
| 253 | ({ \ |
| 254 | static const struct trace_print_flags_u64 symbols[] = \ |
| 255 | { symbol_array, { -1, NULL } }; \ |
| 256 | ftrace_print_symbols_seq_u64(p, value, symbols); \ |
| 257 | }) |
| 258 | #else |
| 259 | #define __print_symbolic_u64(value, symbol_array...) \ |
| 260 | __print_symbolic(value, symbol_array) |
| 261 | #endif |
| 262 | |
Kei Tokunaga | 5a2e399 | 2010-04-01 20:40:58 +0900 | [diff] [blame] | 263 | #undef __print_hex |
| 264 | #define __print_hex(buf, buf_len) ftrace_print_hex_seq(p, buf, buf_len) |
| 265 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 266 | #undef DECLARE_EVENT_CLASS |
| 267 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ |
Steven Rostedt | 83f0d53 | 2010-02-16 10:38:47 -0500 | [diff] [blame] | 268 | static notrace enum print_line_t \ |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 269 | ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ |
| 270 | struct trace_event *trace_event) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 271 | { \ |
| 272 | struct trace_seq *s = &iter->seq; \ |
Li Zefan | f71130d | 2013-02-21 10:32:38 +0800 | [diff] [blame] | 273 | struct trace_seq __maybe_unused *p = &iter->tmp_seq; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 274 | struct ftrace_raw_##call *field; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 275 | int ret; \ |
| 276 | \ |
Li Zefan | f71130d | 2013-02-21 10:32:38 +0800 | [diff] [blame] | 277 | field = (typeof(field))iter->ent; \ |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 278 | \ |
Li Zefan | f71130d | 2013-02-21 10:32:38 +0800 | [diff] [blame] | 279 | ret = ftrace_raw_output_prep(iter, trace_event); \ |
Steven Rostedt (Red Hat) | 8e2e095 | 2014-11-14 11:42:06 -0500 | [diff] [blame] | 280 | if (ret != TRACE_TYPE_HANDLED) \ |
Li Zefan | f71130d | 2013-02-21 10:32:38 +0800 | [diff] [blame] | 281 | return ret; \ |
| 282 | \ |
Steven Rostedt (Red Hat) | 19a7fe2 | 2014-11-12 10:29:54 -0500 | [diff] [blame] | 283 | trace_seq_printf(s, print); \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 284 | \ |
Steven Rostedt (Red Hat) | 19a7fe2 | 2014-11-12 10:29:54 -0500 | [diff] [blame] | 285 | return trace_handle_return(s); \ |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 286 | } \ |
| 287 | static struct trace_event_functions ftrace_event_type_funcs_##call = { \ |
| 288 | .trace = ftrace_raw_output_##call, \ |
| 289 | }; |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 290 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 291 | #undef DEFINE_EVENT_PRINT |
| 292 | #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ |
Steven Rostedt | 83f0d53 | 2010-02-16 10:38:47 -0500 | [diff] [blame] | 293 | static notrace enum print_line_t \ |
Steven Rostedt | a9a5776 | 2010-04-22 18:46:14 -0400 | [diff] [blame] | 294 | ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \ |
| 295 | struct trace_event *event) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 296 | { \ |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 297 | struct ftrace_raw_##template *field; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 298 | struct trace_entry *entry; \ |
Lai Jiangshan | bc289ae | 2010-06-03 18:26:24 +0800 | [diff] [blame] | 299 | struct trace_seq *p = &iter->tmp_seq; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 300 | \ |
| 301 | entry = iter->ent; \ |
| 302 | \ |
Steven Rostedt | 32c0eda | 2010-04-23 10:38:03 -0400 | [diff] [blame] | 303 | if (entry->type != event_##call.event.type) { \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 304 | WARN_ON_ONCE(1); \ |
| 305 | return TRACE_TYPE_UNHANDLED; \ |
| 306 | } \ |
| 307 | \ |
| 308 | field = (typeof(field))entry; \ |
| 309 | \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 310 | trace_seq_init(p); \ |
Steven Rostedt | 1d6bae9 | 2012-08-09 19:16:14 -0400 | [diff] [blame] | 311 | return ftrace_output_call(iter, #call, print); \ |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 312 | } \ |
| 313 | static struct trace_event_functions ftrace_event_type_funcs_##call = { \ |
| 314 | .trace = ftrace_raw_output_##call, \ |
| 315 | }; |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 316 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 317 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 318 | |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 319 | #undef __field_ext |
| 320 | #define __field_ext(type, item, filter_type) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 321 | ret = trace_define_field(event_call, #type, #item, \ |
| 322 | offsetof(typeof(field), item), \ |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 323 | sizeof(field.item), \ |
| 324 | is_signed_type(type), filter_type); \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 325 | if (ret) \ |
| 326 | return ret; |
| 327 | |
Steven Rostedt | 4d4c9cc | 2014-06-17 08:59:16 -0400 | [diff] [blame] | 328 | #undef __field_struct_ext |
| 329 | #define __field_struct_ext(type, item, filter_type) \ |
| 330 | ret = trace_define_field(event_call, #type, #item, \ |
| 331 | offsetof(typeof(field), item), \ |
| 332 | sizeof(field.item), \ |
| 333 | 0, filter_type); \ |
| 334 | if (ret) \ |
| 335 | return ret; |
| 336 | |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 337 | #undef __field |
| 338 | #define __field(type, item) __field_ext(type, item, FILTER_OTHER) |
| 339 | |
Steven Rostedt | 4d4c9cc | 2014-06-17 08:59:16 -0400 | [diff] [blame] | 340 | #undef __field_struct |
| 341 | #define __field_struct(type, item) __field_struct_ext(type, item, FILTER_OTHER) |
| 342 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 343 | #undef __array |
| 344 | #define __array(type, item, len) \ |
Steven Rostedt | 0429578 | 2010-11-12 22:32:11 -0500 | [diff] [blame] | 345 | do { \ |
Vaibhav Nagarnaik | 8729134 | 2014-02-13 19:51:48 -0800 | [diff] [blame] | 346 | char *type_str = #type"["__stringify(len)"]"; \ |
Steven Rostedt | 0429578 | 2010-11-12 22:32:11 -0500 | [diff] [blame] | 347 | BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ |
Vaibhav Nagarnaik | 8729134 | 2014-02-13 19:51:48 -0800 | [diff] [blame] | 348 | ret = trace_define_field(event_call, type_str, #item, \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 349 | offsetof(typeof(field), item), \ |
Lai Jiangshan | fb7ae98 | 2009-12-15 15:39:38 +0800 | [diff] [blame] | 350 | sizeof(field.item), \ |
| 351 | is_signed_type(type), FILTER_OTHER); \ |
Steven Rostedt | 0429578 | 2010-11-12 22:32:11 -0500 | [diff] [blame] | 352 | if (ret) \ |
| 353 | return ret; \ |
| 354 | } while (0); |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 355 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 356 | #undef __dynamic_array |
| 357 | #define __dynamic_array(type, item, len) \ |
Lai Jiangshan | 68fd60a | 2009-07-16 10:53:34 +0800 | [diff] [blame] | 358 | ret = trace_define_field(event_call, "__data_loc " #type "[]", #item, \ |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 359 | offsetof(typeof(field), __data_loc_##item), \ |
Lai Jiangshan | fb7ae98 | 2009-12-15 15:39:38 +0800 | [diff] [blame] | 360 | sizeof(field.__data_loc_##item), \ |
| 361 | is_signed_type(type), FILTER_OTHER); |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 362 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 363 | #undef __string |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 364 | #define __string(item, src) __dynamic_array(char, item, -1) |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 365 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 366 | #undef __bitmask |
| 367 | #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) |
| 368 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 369 | #undef DECLARE_EVENT_CLASS |
| 370 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print) \ |
Li Zefan | 7e4f44b | 2013-02-21 10:33:33 +0800 | [diff] [blame] | 371 | static int notrace __init \ |
Li Zefan | 14be96c | 2009-08-19 15:53:52 +0800 | [diff] [blame] | 372 | ftrace_define_fields_##call(struct ftrace_event_call *event_call) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 373 | { \ |
| 374 | struct ftrace_raw_##call field; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 375 | int ret; \ |
| 376 | \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 377 | tstruct; \ |
| 378 | \ |
| 379 | return ret; \ |
| 380 | } |
| 381 | |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 382 | #undef DEFINE_EVENT |
| 383 | #define DEFINE_EVENT(template, name, proto, args) |
| 384 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 385 | #undef DEFINE_EVENT_PRINT |
| 386 | #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ |
| 387 | DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) |
| 388 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 389 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 390 | |
| 391 | /* |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 392 | * remember the offset of each array from the beginning of the event. |
| 393 | */ |
| 394 | |
| 395 | #undef __entry |
| 396 | #define __entry entry |
| 397 | |
| 398 | #undef __field |
| 399 | #define __field(type, item) |
| 400 | |
Li Zefan | 43b51ea | 2009-08-07 10:33:22 +0800 | [diff] [blame] | 401 | #undef __field_ext |
| 402 | #define __field_ext(type, item, filter_type) |
| 403 | |
Steven Rostedt | 4d4c9cc | 2014-06-17 08:59:16 -0400 | [diff] [blame] | 404 | #undef __field_struct |
| 405 | #define __field_struct(type, item) |
| 406 | |
| 407 | #undef __field_struct_ext |
| 408 | #define __field_struct_ext(type, item, filter_type) |
| 409 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 410 | #undef __array |
| 411 | #define __array(type, item, len) |
| 412 | |
| 413 | #undef __dynamic_array |
| 414 | #define __dynamic_array(type, item, len) \ |
Filipe Brandenburger | 114e7b5 | 2014-02-28 21:32:17 -0800 | [diff] [blame] | 415 | __item_length = (len) * sizeof(type); \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 416 | __data_offsets->item = __data_size + \ |
| 417 | offsetof(typeof(*entry), __data); \ |
Filipe Brandenburger | 114e7b5 | 2014-02-28 21:32:17 -0800 | [diff] [blame] | 418 | __data_offsets->item |= __item_length << 16; \ |
| 419 | __data_size += __item_length; |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 420 | |
| 421 | #undef __string |
Steven Rostedt (Red Hat) | 4e58e54 | 2013-11-26 09:22:54 -0500 | [diff] [blame] | 422 | #define __string(item, src) __dynamic_array(char, item, \ |
| 423 | strlen((src) ? (const char *)(src) : "(null)") + 1) |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 424 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 425 | /* |
| 426 | * __bitmask_size_in_bytes_raw is the number of bytes needed to hold |
| 427 | * num_possible_cpus(). |
| 428 | */ |
| 429 | #define __bitmask_size_in_bytes_raw(nr_bits) \ |
| 430 | (((nr_bits) + 7) / 8) |
| 431 | |
| 432 | #define __bitmask_size_in_longs(nr_bits) \ |
| 433 | ((__bitmask_size_in_bytes_raw(nr_bits) + \ |
| 434 | ((BITS_PER_LONG / 8) - 1)) / (BITS_PER_LONG / 8)) |
| 435 | |
| 436 | /* |
| 437 | * __bitmask_size_in_bytes is the number of bytes needed to hold |
| 438 | * num_possible_cpus() padded out to the nearest long. This is what |
| 439 | * is saved in the buffer, just to be consistent. |
| 440 | */ |
| 441 | #define __bitmask_size_in_bytes(nr_bits) \ |
| 442 | (__bitmask_size_in_longs(nr_bits) * (BITS_PER_LONG / 8)) |
| 443 | |
| 444 | #undef __bitmask |
| 445 | #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, \ |
| 446 | __bitmask_size_in_longs(nr_bits)) |
| 447 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 448 | #undef DECLARE_EVENT_CLASS |
| 449 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ |
Steven Rostedt | 83f0d53 | 2010-02-16 10:38:47 -0500 | [diff] [blame] | 450 | static inline notrace int ftrace_get_offsets_##call( \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 451 | struct ftrace_data_offsets_##call *__data_offsets, proto) \ |
| 452 | { \ |
| 453 | int __data_size = 0; \ |
Filipe Brandenburger | 114e7b5 | 2014-02-28 21:32:17 -0800 | [diff] [blame] | 454 | int __maybe_unused __item_length; \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 455 | struct ftrace_raw_##call __maybe_unused *entry; \ |
| 456 | \ |
| 457 | tstruct; \ |
| 458 | \ |
| 459 | return __data_size; \ |
| 460 | } |
| 461 | |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 462 | #undef DEFINE_EVENT |
| 463 | #define DEFINE_EVENT(template, name, proto, args) |
| 464 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 465 | #undef DEFINE_EVENT_PRINT |
| 466 | #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ |
| 467 | DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) |
| 468 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 469 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 470 | |
| 471 | /* |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 472 | * Stage 4 of the trace events. |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 473 | * |
| 474 | * Override the macros in <trace/trace_events.h> to include the following: |
| 475 | * |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 476 | * For those macros defined with TRACE_EVENT: |
| 477 | * |
| 478 | * static struct ftrace_event_call event_<call>; |
| 479 | * |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 480 | * static void ftrace_raw_event_<call>(void *__data, proto) |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 481 | * { |
Steven Rostedt | ccb469a | 2012-08-02 10:32:10 -0400 | [diff] [blame] | 482 | * struct ftrace_event_file *ftrace_file = __data; |
| 483 | * struct ftrace_event_call *event_call = ftrace_file->event_call; |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 484 | * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets; |
Tom Zanussi | bac5fb9 | 2013-10-24 08:59:29 -0500 | [diff] [blame] | 485 | * unsigned long eflags = ftrace_file->flags; |
| 486 | * enum event_trigger_type __tt = ETT_NONE; |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 487 | * struct ring_buffer_event *event; |
| 488 | * struct ftrace_raw_<call> *entry; <-- defined in stage 1 |
Steven Rostedt | e77405a | 2009-09-02 14:17:06 -0400 | [diff] [blame] | 489 | * struct ring_buffer *buffer; |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 490 | * unsigned long irq_flags; |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 491 | * int __data_size; |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 492 | * int pc; |
| 493 | * |
Tom Zanussi | bac5fb9 | 2013-10-24 08:59:29 -0500 | [diff] [blame] | 494 | * if (!(eflags & FTRACE_EVENT_FL_TRIGGER_COND)) { |
| 495 | * if (eflags & FTRACE_EVENT_FL_TRIGGER_MODE) |
| 496 | * event_triggers_call(ftrace_file, NULL); |
| 497 | * if (eflags & FTRACE_EVENT_FL_SOFT_DISABLED) |
| 498 | * return; |
| 499 | * } |
Steven Rostedt (Red Hat) | 417944c | 2013-03-12 13:26:18 -0400 | [diff] [blame] | 500 | * |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 501 | * local_save_flags(irq_flags); |
| 502 | * pc = preempt_count(); |
| 503 | * |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 504 | * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args); |
| 505 | * |
Steven Rostedt | ccb469a | 2012-08-02 10:32:10 -0400 | [diff] [blame] | 506 | * event = trace_event_buffer_lock_reserve(&buffer, ftrace_file, |
Steven Rostedt | 32c0eda | 2010-04-23 10:38:03 -0400 | [diff] [blame] | 507 | * event_<call>->event.type, |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 508 | * sizeof(*entry) + __data_size, |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 509 | * irq_flags, pc); |
| 510 | * if (!event) |
| 511 | * return; |
| 512 | * entry = ring_buffer_event_data(event); |
| 513 | * |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 514 | * { <assign>; } <-- Here we assign the entries by the __field and |
| 515 | * __array macros. |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 516 | * |
Tom Zanussi | bac5fb9 | 2013-10-24 08:59:29 -0500 | [diff] [blame] | 517 | * if (eflags & FTRACE_EVENT_FL_TRIGGER_COND) |
| 518 | * __tt = event_triggers_call(ftrace_file, entry); |
| 519 | * |
| 520 | * if (test_bit(FTRACE_EVENT_FL_SOFT_DISABLED_BIT, |
| 521 | * &ftrace_file->flags)) |
| 522 | * ring_buffer_discard_commit(buffer, event); |
| 523 | * else if (!filter_check_discard(ftrace_file, entry, buffer, event)) |
Tom Zanussi | f306cc8 | 2013-10-24 08:34:17 -0500 | [diff] [blame] | 524 | * trace_buffer_unlock_commit(buffer, event, irq_flags, pc); |
Tom Zanussi | bac5fb9 | 2013-10-24 08:59:29 -0500 | [diff] [blame] | 525 | * |
| 526 | * if (__tt) |
| 527 | * event_triggers_post_call(ftrace_file, __tt); |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 528 | * } |
| 529 | * |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 530 | * static struct trace_event ftrace_event_type_<call> = { |
| 531 | * .trace = ftrace_raw_output_<call>, <-- stage 2 |
| 532 | * }; |
| 533 | * |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 534 | * static const char print_fmt_<call>[] = <TP_printk>; |
| 535 | * |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 536 | * static struct ftrace_event_class __used event_class_<template> = { |
| 537 | * .system = "<system>", |
Steven Rostedt | 2e33af0 | 2010-04-22 10:35:55 -0400 | [diff] [blame] | 538 | * .define_fields = ftrace_define_fields_<call>, |
Steven Rostedt | 0405ab8 | 2010-04-22 11:46:44 -0400 | [diff] [blame] | 539 | * .fields = LIST_HEAD_INIT(event_class_##call.fields), |
| 540 | * .raw_init = trace_event_raw_init, |
| 541 | * .probe = ftrace_raw_event_##call, |
Steven Rostedt | a1d0ce8 | 2010-06-08 11:22:06 -0400 | [diff] [blame] | 542 | * .reg = ftrace_event_reg, |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 543 | * }; |
| 544 | * |
Steven Rostedt | e4a9ea5 | 2011-01-27 09:15:30 -0500 | [diff] [blame] | 545 | * static struct ftrace_event_call event_<call> = { |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 546 | * .class = event_class_<template>, |
Mathieu Desnoyers | abb43f6 | 2014-04-09 17:06:08 -0400 | [diff] [blame] | 547 | * { |
| 548 | * .tp = &__tracepoint_<call>, |
| 549 | * }, |
Steven Rostedt | 2e33af0 | 2010-04-22 10:35:55 -0400 | [diff] [blame] | 550 | * .event = &ftrace_event_type_<call>, |
Li Zefan | 50354a8 | 2010-03-24 10:58:24 +0800 | [diff] [blame] | 551 | * .print_fmt = print_fmt_<call>, |
Mathieu Desnoyers | de7b297 | 2014-04-08 17:26:21 -0400 | [diff] [blame] | 552 | * .flags = TRACE_EVENT_FL_TRACEPOINT, |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 553 | * }; |
Steven Rostedt | e4a9ea5 | 2011-01-27 09:15:30 -0500 | [diff] [blame] | 554 | * // its only safe to use pointers when doing linker tricks to |
| 555 | * // create an array. |
| 556 | * static struct ftrace_event_call __used |
| 557 | * __attribute__((section("_ftrace_events"))) *__event_<call> = &event_<call>; |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 558 | * |
| 559 | */ |
| 560 | |
Li Zefan | 07b139c | 2009-12-21 14:27:35 +0800 | [diff] [blame] | 561 | #ifdef CONFIG_PERF_EVENTS |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 562 | |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 563 | #define _TRACE_PERF_PROTO(call, proto) \ |
| 564 | static notrace void \ |
| 565 | perf_trace_##call(void *__data, proto); |
| 566 | |
Frederic Weisbecker | 97d5a22 | 2010-03-05 05:35:37 +0100 | [diff] [blame] | 567 | #define _TRACE_PERF_INIT(call) \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 568 | .perf_probe = perf_trace_##call, |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 569 | |
| 570 | #else |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 571 | #define _TRACE_PERF_PROTO(call, proto) |
Frederic Weisbecker | 97d5a22 | 2010-03-05 05:35:37 +0100 | [diff] [blame] | 572 | #define _TRACE_PERF_INIT(call) |
Li Zefan | 07b139c | 2009-12-21 14:27:35 +0800 | [diff] [blame] | 573 | #endif /* CONFIG_PERF_EVENTS */ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 574 | |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 575 | #undef __entry |
| 576 | #define __entry entry |
| 577 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 578 | #undef __field |
| 579 | #define __field(type, item) |
| 580 | |
Steven Rostedt | 4d4c9cc | 2014-06-17 08:59:16 -0400 | [diff] [blame] | 581 | #undef __field_struct |
| 582 | #define __field_struct(type, item) |
| 583 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 584 | #undef __array |
| 585 | #define __array(type, item, len) |
| 586 | |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 587 | #undef __dynamic_array |
| 588 | #define __dynamic_array(type, item, len) \ |
| 589 | __entry->__data_loc_##item = __data_offsets.item; |
| 590 | |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 591 | #undef __string |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 592 | #define __string(item, src) __dynamic_array(char, item, -1) |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 593 | |
| 594 | #undef __assign_str |
| 595 | #define __assign_str(dst, src) \ |
Steven Rostedt (Red Hat) | 4e58e54 | 2013-11-26 09:22:54 -0500 | [diff] [blame] | 596 | strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)"); |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 597 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 598 | #undef __bitmask |
| 599 | #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1) |
| 600 | |
| 601 | #undef __get_bitmask |
| 602 | #define __get_bitmask(field) (char *)__get_dynamic_array(field) |
| 603 | |
| 604 | #undef __assign_bitmask |
| 605 | #define __assign_bitmask(dst, src, nr_bits) \ |
| 606 | memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits)) |
| 607 | |
Lai Jiangshan | 0fa0eda | 2009-12-15 15:39:57 +0800 | [diff] [blame] | 608 | #undef TP_fast_assign |
| 609 | #define TP_fast_assign(args...) args |
| 610 | |
Oleg Nesterov | 1247396 | 2013-08-06 18:08:44 +0200 | [diff] [blame] | 611 | #undef __perf_addr |
| 612 | #define __perf_addr(a) (a) |
| 613 | |
| 614 | #undef __perf_count |
| 615 | #define __perf_count(c) (c) |
| 616 | |
| 617 | #undef __perf_task |
| 618 | #define __perf_task(t) (t) |
Lai Jiangshan | 0fa0eda | 2009-12-15 15:39:57 +0800 | [diff] [blame] | 619 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 620 | #undef DECLARE_EVENT_CLASS |
| 621 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 622 | \ |
Steven Rostedt | 83f0d53 | 2010-02-16 10:38:47 -0500 | [diff] [blame] | 623 | static notrace void \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 624 | ftrace_raw_event_##call(void *__data, proto) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 625 | { \ |
Steven Rostedt | ae63b31 | 2012-05-03 23:09:03 -0400 | [diff] [blame] | 626 | struct ftrace_event_file *ftrace_file = __data; \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 627 | struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\ |
Steven Rostedt | 3fd40d1 | 2012-08-09 22:42:57 -0400 | [diff] [blame] | 628 | struct ftrace_event_buffer fbuffer; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 629 | struct ftrace_raw_##call *entry; \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 630 | int __data_size; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 631 | \ |
Steven Rostedt (Red Hat) | 13a1e4a | 2014-01-06 21:32:10 -0500 | [diff] [blame] | 632 | if (ftrace_trigger_soft_disabled(ftrace_file)) \ |
| 633 | return; \ |
Steven Rostedt (Red Hat) | 417944c | 2013-03-12 13:26:18 -0400 | [diff] [blame] | 634 | \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 635 | __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \ |
Frederic Weisbecker | 9cbf117 | 2009-04-19 04:51:29 +0200 | [diff] [blame] | 636 | \ |
Steven Rostedt | 3fd40d1 | 2012-08-09 22:42:57 -0400 | [diff] [blame] | 637 | entry = ftrace_event_buffer_reserve(&fbuffer, ftrace_file, \ |
| 638 | sizeof(*entry) + __data_size); \ |
| 639 | \ |
| 640 | if (!entry) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 641 | return; \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 642 | \ |
Li Zefan | 7fcb7c4 | 2009-06-01 15:35:46 +0800 | [diff] [blame] | 643 | tstruct \ |
| 644 | \ |
Li Zefan | a9c1c3a | 2009-06-01 15:35:13 +0800 | [diff] [blame] | 645 | { assign; } \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 646 | \ |
Steven Rostedt | 3fd40d1 | 2012-08-09 22:42:57 -0400 | [diff] [blame] | 647 | ftrace_event_buffer_commit(&fbuffer); \ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 648 | } |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 649 | /* |
| 650 | * The ftrace_test_probe is compiled out, it is only here as a build time check |
| 651 | * to make sure that if the tracepoint handling changes, the ftrace probe will |
| 652 | * fail to compile unless it too is updated. |
| 653 | */ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 654 | |
| 655 | #undef DEFINE_EVENT |
| 656 | #define DEFINE_EVENT(template, call, proto, args) \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 657 | static inline void ftrace_test_probe_##call(void) \ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 658 | { \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 659 | check_trace_callback_type_##call(ftrace_raw_event_##template); \ |
| 660 | } |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 661 | |
| 662 | #undef DEFINE_EVENT_PRINT |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 663 | #define DEFINE_EVENT_PRINT(template, name, proto, args, print) |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 664 | |
| 665 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 666 | |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 667 | #undef __entry |
| 668 | #define __entry REC |
| 669 | |
| 670 | #undef __print_flags |
| 671 | #undef __print_symbolic |
Namhyung Kim | b102f1d | 2012-06-27 09:41:39 +0900 | [diff] [blame] | 672 | #undef __print_hex |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 673 | #undef __get_dynamic_array |
Steven Rostedt (Red Hat) | beba4bb | 2014-06-04 14:29:33 -0400 | [diff] [blame] | 674 | #undef __get_dynamic_array_len |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 675 | #undef __get_str |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 676 | #undef __get_bitmask |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 677 | |
| 678 | #undef TP_printk |
| 679 | #define TP_printk(fmt, args...) "\"" fmt "\", " __stringify(args) |
| 680 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 681 | #undef DECLARE_EVENT_CLASS |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 682 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 683 | _TRACE_PERF_PROTO(call, PARAMS(proto)); \ |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 684 | static const char print_fmt_##call[] = print; \ |
Li Zefan | 523c811 | 2013-03-04 14:15:59 +0800 | [diff] [blame] | 685 | static struct ftrace_event_class __used __refdata event_class_##call = { \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 686 | .system = __stringify(TRACE_SYSTEM), \ |
Steven Rostedt | 2e33af0 | 2010-04-22 10:35:55 -0400 | [diff] [blame] | 687 | .define_fields = ftrace_define_fields_##call, \ |
| 688 | .fields = LIST_HEAD_INIT(event_class_##call.fields),\ |
Steven Rostedt | 0405ab8 | 2010-04-22 11:46:44 -0400 | [diff] [blame] | 689 | .raw_init = trace_event_raw_init, \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 690 | .probe = ftrace_raw_event_##call, \ |
Steven Rostedt | a1d0ce8 | 2010-06-08 11:22:06 -0400 | [diff] [blame] | 691 | .reg = ftrace_event_reg, \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 692 | _TRACE_PERF_INIT(call) \ |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 693 | }; |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 694 | |
| 695 | #undef DEFINE_EVENT |
| 696 | #define DEFINE_EVENT(template, call, proto, args) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 697 | \ |
Steven Rostedt | e4a9ea5 | 2011-01-27 09:15:30 -0500 | [diff] [blame] | 698 | static struct ftrace_event_call __used event_##call = { \ |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 699 | .class = &event_class_##template, \ |
Mathieu Desnoyers | abb43f6 | 2014-04-09 17:06:08 -0400 | [diff] [blame] | 700 | { \ |
| 701 | .tp = &__tracepoint_##call, \ |
| 702 | }, \ |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 703 | .event.funcs = &ftrace_event_type_funcs_##template, \ |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 704 | .print_fmt = print_fmt_##template, \ |
Mathieu Desnoyers | de7b297 | 2014-04-08 17:26:21 -0400 | [diff] [blame] | 705 | .flags = TRACE_EVENT_FL_TRACEPOINT, \ |
Steven Rostedt | e4a9ea5 | 2011-01-27 09:15:30 -0500 | [diff] [blame] | 706 | }; \ |
| 707 | static struct ftrace_event_call __used \ |
| 708 | __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 709 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 710 | #undef DEFINE_EVENT_PRINT |
| 711 | #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 712 | \ |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 713 | static const char print_fmt_##call[] = print; \ |
| 714 | \ |
Steven Rostedt | e4a9ea5 | 2011-01-27 09:15:30 -0500 | [diff] [blame] | 715 | static struct ftrace_event_call __used event_##call = { \ |
Steven Rostedt | 8f08201 | 2010-04-20 10:47:33 -0400 | [diff] [blame] | 716 | .class = &event_class_##template, \ |
Mathieu Desnoyers | abb43f6 | 2014-04-09 17:06:08 -0400 | [diff] [blame] | 717 | { \ |
| 718 | .tp = &__tracepoint_##call, \ |
| 719 | }, \ |
Steven Rostedt | 80decc7 | 2010-04-23 10:00:22 -0400 | [diff] [blame] | 720 | .event.funcs = &ftrace_event_type_funcs_##call, \ |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 721 | .print_fmt = print_fmt_##call, \ |
Mathieu Desnoyers | de7b297 | 2014-04-08 17:26:21 -0400 | [diff] [blame] | 722 | .flags = TRACE_EVENT_FL_TRACEPOINT, \ |
Steven Rostedt | e4a9ea5 | 2011-01-27 09:15:30 -0500 | [diff] [blame] | 723 | }; \ |
| 724 | static struct ftrace_event_call __used \ |
| 725 | __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call |
Steven Rostedt | f42c85e | 2009-04-13 12:25:37 -0400 | [diff] [blame] | 726 | |
| 727 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
| 728 | |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 729 | |
Li Zefan | 07b139c | 2009-12-21 14:27:35 +0800 | [diff] [blame] | 730 | #ifdef CONFIG_PERF_EVENTS |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 731 | |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 732 | #undef __entry |
| 733 | #define __entry entry |
| 734 | |
| 735 | #undef __get_dynamic_array |
| 736 | #define __get_dynamic_array(field) \ |
| 737 | ((void *)__entry + (__entry->__data_loc_##field & 0xffff)) |
| 738 | |
Steven Rostedt (Red Hat) | beba4bb | 2014-06-04 14:29:33 -0400 | [diff] [blame] | 739 | #undef __get_dynamic_array_len |
| 740 | #define __get_dynamic_array_len(field) \ |
| 741 | ((__entry->__data_loc_##field >> 16) & 0xffff) |
| 742 | |
Lai Jiangshan | 509e760 | 2009-12-15 15:39:42 +0800 | [diff] [blame] | 743 | #undef __get_str |
| 744 | #define __get_str(field) (char *)__get_dynamic_array(field) |
| 745 | |
Steven Rostedt (Red Hat) | 4449bf9 | 2014-05-06 13:10:24 -0400 | [diff] [blame] | 746 | #undef __get_bitmask |
| 747 | #define __get_bitmask(field) (char *)__get_dynamic_array(field) |
| 748 | |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 749 | #undef __perf_addr |
Oleg Nesterov | 1247396 | 2013-08-06 18:08:44 +0200 | [diff] [blame] | 750 | #define __perf_addr(a) (__addr = (a)) |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 751 | |
| 752 | #undef __perf_count |
Oleg Nesterov | 1247396 | 2013-08-06 18:08:44 +0200 | [diff] [blame] | 753 | #define __perf_count(c) (__count = (c)) |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 754 | |
Andrew Vagin | e6dab5f | 2012-07-11 18:14:58 +0400 | [diff] [blame] | 755 | #undef __perf_task |
Oleg Nesterov | 1247396 | 2013-08-06 18:08:44 +0200 | [diff] [blame] | 756 | #define __perf_task(t) (__task = (t)) |
Andrew Vagin | 92e5193 | 2011-09-26 19:55:32 +0400 | [diff] [blame] | 757 | |
Ingo Molnar | 091ad36 | 2009-11-26 09:04:55 +0100 | [diff] [blame] | 758 | #undef DECLARE_EVENT_CLASS |
| 759 | #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ |
Steven Rostedt | 83f0d53 | 2010-02-16 10:38:47 -0500 | [diff] [blame] | 760 | static notrace void \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 761 | perf_trace_##call(void *__data, proto) \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 762 | { \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 763 | struct ftrace_event_call *event_call = __data; \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 764 | struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 765 | struct ftrace_raw_##call *entry; \ |
Steven Rostedt | ff5f149 | 2010-05-21 11:49:57 -0400 | [diff] [blame] | 766 | struct pt_regs __regs; \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 767 | u64 __addr = 0, __count = 1; \ |
Andrew Vagin | e6dab5f | 2012-07-11 18:14:58 +0400 | [diff] [blame] | 768 | struct task_struct *__task = NULL; \ |
Peter Zijlstra | 1c024eca | 2010-05-19 14:02:22 +0200 | [diff] [blame] | 769 | struct hlist_head *head; \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 770 | int __entry_size; \ |
| 771 | int __data_size; \ |
Peter Zijlstra | 4ed7c92 | 2009-11-23 11:37:29 +0100 | [diff] [blame] | 772 | int rctx; \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 773 | \ |
| 774 | __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \ |
Oleg Nesterov | d027e6a | 2013-08-06 18:08:47 +0200 | [diff] [blame] | 775 | \ |
| 776 | head = this_cpu_ptr(event_call->perf_events); \ |
| 777 | if (__builtin_constant_p(!__task) && !__task && \ |
| 778 | hlist_empty(head)) \ |
| 779 | return; \ |
| 780 | \ |
Peter Zijlstra | a044560 | 2009-08-10 11:16:52 +0200 | [diff] [blame] | 781 | __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\ |
| 782 | sizeof(u64)); \ |
Frederic Weisbecker | 304703a | 2009-08-10 16:11:32 +0200 | [diff] [blame] | 783 | __entry_size -= sizeof(u32); \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 784 | \ |
Oleg Nesterov | 36009d07 | 2013-08-06 18:08:41 +0200 | [diff] [blame] | 785 | perf_fetch_caller_regs(&__regs); \ |
| 786 | entry = perf_trace_buf_prepare(__entry_size, \ |
| 787 | event_call->event.type, &__regs, &rctx); \ |
Xiao Guangrong | 430ad5a | 2010-01-28 09:32:29 +0800 | [diff] [blame] | 788 | if (!entry) \ |
| 789 | return; \ |
Peter Zijlstra | b7e2ece | 2010-05-19 10:52:27 +0200 | [diff] [blame] | 790 | \ |
Frederic Weisbecker | 20ab4425 | 2009-09-18 06:10:28 +0200 | [diff] [blame] | 791 | tstruct \ |
| 792 | \ |
| 793 | { assign; } \ |
| 794 | \ |
Frederic Weisbecker | 97d5a22 | 2010-03-05 05:35:37 +0100 | [diff] [blame] | 795 | perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \ |
Andrew Vagin | e6dab5f | 2012-07-11 18:14:58 +0400 | [diff] [blame] | 796 | __count, &__regs, head, __task); \ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 797 | } |
| 798 | |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 799 | /* |
| 800 | * This part is compiled out, it is only here as a build time check |
| 801 | * to make sure that if the tracepoint handling changes, the |
| 802 | * perf probe will fail to compile unless it too is updated. |
| 803 | */ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 804 | #undef DEFINE_EVENT |
Frederic Weisbecker | 6cc8a7c | 2010-03-19 01:23:53 +0100 | [diff] [blame] | 805 | #define DEFINE_EVENT(template, call, proto, args) \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 806 | static inline void perf_test_probe_##call(void) \ |
Frederic Weisbecker | 6cc8a7c | 2010-03-19 01:23:53 +0100 | [diff] [blame] | 807 | { \ |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 808 | check_trace_callback_type_##call(perf_trace_##template); \ |
Steven Rostedt | ff038f5 | 2009-11-18 20:27:27 -0500 | [diff] [blame] | 809 | } |
| 810 | |
Steven Rostedt | 2239291 | 2010-04-21 12:27:06 -0400 | [diff] [blame] | 811 | |
Steven Rostedt | e5bc972 | 2009-11-18 20:36:26 -0500 | [diff] [blame] | 812 | #undef DEFINE_EVENT_PRINT |
| 813 | #define DEFINE_EVENT_PRINT(template, name, proto, args, print) \ |
| 814 | DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args)) |
| 815 | |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 816 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |
Li Zefan | 07b139c | 2009-12-21 14:27:35 +0800 | [diff] [blame] | 817 | #endif /* CONFIG_PERF_EVENTS */ |
Frederic Weisbecker | f413cdb | 2009-08-07 01:25:54 +0200 | [diff] [blame] | 818 | |