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7e4b21b8 TZ |
1 | /* |
2 | * trace-event-python. Feed trace events to an embedded Python interpreter. | |
3 | * | |
4 | * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <Python.h> | |
23 | ||
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
df919b40 | 27 | #include <stdbool.h> |
7e4b21b8 TZ |
28 | #include <errno.h> |
29 | ||
30 | #include "../../perf.h" | |
84f5d36f | 31 | #include "../debug.h" |
8f651eae | 32 | #include "../callchain.h" |
fcf65bf1 | 33 | #include "../evsel.h" |
7e4b21b8 | 34 | #include "../util.h" |
743eb868 ACM |
35 | #include "../event.h" |
36 | #include "../thread.h" | |
df919b40 AH |
37 | #include "../comm.h" |
38 | #include "../machine.h" | |
39 | #include "../db-export.h" | |
7e4b21b8 | 40 | #include "../trace-event.h" |
0f5f5bcd | 41 | #include "../machine.h" |
7e4b21b8 TZ |
42 | |
43 | PyMODINIT_FUNC initperf_trace_context(void); | |
44 | ||
45 | #define FTRACE_MAX_EVENT \ | |
46 | ((1 << (sizeof(unsigned short) * 8)) - 1) | |
47 | ||
aaf045f7 | 48 | struct event_format *events[FTRACE_MAX_EVENT]; |
7e4b21b8 TZ |
49 | |
50 | #define MAX_FIELDS 64 | |
51 | #define N_COMMON_FIELDS 7 | |
52 | ||
53 | extern struct scripting_context *scripting_context; | |
54 | ||
55 | static char *cur_field_name; | |
56 | static int zero_flag_atom; | |
57 | ||
58 | static PyObject *main_module, *main_dict; | |
59 | ||
df919b40 AH |
60 | struct tables { |
61 | struct db_export dbe; | |
62 | PyObject *evsel_handler; | |
63 | PyObject *machine_handler; | |
64 | PyObject *thread_handler; | |
65 | PyObject *comm_handler; | |
66 | PyObject *comm_thread_handler; | |
67 | PyObject *dso_handler; | |
68 | PyObject *symbol_handler; | |
c29414f5 | 69 | PyObject *branch_type_handler; |
df919b40 AH |
70 | PyObject *sample_handler; |
71 | bool db_export_mode; | |
72 | }; | |
73 | ||
74 | static struct tables tables_global; | |
75 | ||
05f832e3 | 76 | static void handler_call_die(const char *handler_name) NORETURN; |
7e4b21b8 TZ |
77 | static void handler_call_die(const char *handler_name) |
78 | { | |
79 | PyErr_Print(); | |
80 | Py_FatalError("problem in Python trace event handler"); | |
05f832e3 JS |
81 | // Py_FatalError does not return |
82 | // but we have to make the compiler happy | |
83 | abort(); | |
7e4b21b8 TZ |
84 | } |
85 | ||
c0268e8d JS |
86 | /* |
87 | * Insert val into into the dictionary and decrement the reference counter. | |
88 | * This is necessary for dictionaries since PyDict_SetItemString() does not | |
89 | * steal a reference, as opposed to PyTuple_SetItem(). | |
90 | */ | |
91 | static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val) | |
92 | { | |
93 | PyDict_SetItemString(dict, key, val); | |
94 | Py_DECREF(val); | |
95 | } | |
96 | ||
a5563edf AH |
97 | static PyObject *get_handler(const char *handler_name) |
98 | { | |
99 | PyObject *handler; | |
100 | ||
101 | handler = PyDict_GetItemString(main_dict, handler_name); | |
102 | if (handler && !PyCallable_Check(handler)) | |
103 | return NULL; | |
104 | return handler; | |
105 | } | |
106 | ||
107 | static void call_object(PyObject *handler, PyObject *args, const char *die_msg) | |
108 | { | |
109 | PyObject *retval; | |
110 | ||
111 | retval = PyObject_CallObject(handler, args); | |
112 | if (retval == NULL) | |
113 | handler_call_die(die_msg); | |
114 | Py_DECREF(retval); | |
115 | } | |
116 | ||
117 | static void try_call_object(const char *handler_name, PyObject *args) | |
118 | { | |
119 | PyObject *handler; | |
120 | ||
121 | handler = get_handler(handler_name); | |
122 | if (handler) | |
123 | call_object(handler, args, handler_name); | |
124 | } | |
125 | ||
7e4b21b8 TZ |
126 | static void define_value(enum print_arg_type field_type, |
127 | const char *ev_name, | |
128 | const char *field_name, | |
129 | const char *field_value, | |
130 | const char *field_str) | |
131 | { | |
132 | const char *handler_name = "define_flag_value"; | |
a5563edf | 133 | PyObject *t; |
7e4b21b8 TZ |
134 | unsigned long long value; |
135 | unsigned n = 0; | |
136 | ||
137 | if (field_type == PRINT_SYMBOL) | |
138 | handler_name = "define_symbolic_value"; | |
139 | ||
44ad9cd8 | 140 | t = PyTuple_New(4); |
7e4b21b8 TZ |
141 | if (!t) |
142 | Py_FatalError("couldn't create Python tuple"); | |
143 | ||
144 | value = eval_flag(field_value); | |
145 | ||
146 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
147 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
148 | PyTuple_SetItem(t, n++, PyInt_FromLong(value)); | |
149 | PyTuple_SetItem(t, n++, PyString_FromString(field_str)); | |
150 | ||
a5563edf | 151 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
152 | |
153 | Py_DECREF(t); | |
154 | } | |
155 | ||
156 | static void define_values(enum print_arg_type field_type, | |
157 | struct print_flag_sym *field, | |
158 | const char *ev_name, | |
159 | const char *field_name) | |
160 | { | |
161 | define_value(field_type, ev_name, field_name, field->value, | |
162 | field->str); | |
163 | ||
164 | if (field->next) | |
165 | define_values(field_type, field->next, ev_name, field_name); | |
166 | } | |
167 | ||
168 | static void define_field(enum print_arg_type field_type, | |
169 | const char *ev_name, | |
170 | const char *field_name, | |
171 | const char *delim) | |
172 | { | |
173 | const char *handler_name = "define_flag_field"; | |
a5563edf | 174 | PyObject *t; |
7e4b21b8 TZ |
175 | unsigned n = 0; |
176 | ||
177 | if (field_type == PRINT_SYMBOL) | |
178 | handler_name = "define_symbolic_field"; | |
179 | ||
44ad9cd8 TZ |
180 | if (field_type == PRINT_FLAGS) |
181 | t = PyTuple_New(3); | |
182 | else | |
183 | t = PyTuple_New(2); | |
7e4b21b8 TZ |
184 | if (!t) |
185 | Py_FatalError("couldn't create Python tuple"); | |
186 | ||
187 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
188 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
189 | if (field_type == PRINT_FLAGS) | |
190 | PyTuple_SetItem(t, n++, PyString_FromString(delim)); | |
191 | ||
a5563edf | 192 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
193 | |
194 | Py_DECREF(t); | |
195 | } | |
196 | ||
aaf045f7 | 197 | static void define_event_symbols(struct event_format *event, |
7e4b21b8 TZ |
198 | const char *ev_name, |
199 | struct print_arg *args) | |
200 | { | |
201 | switch (args->type) { | |
202 | case PRINT_NULL: | |
203 | break; | |
204 | case PRINT_ATOM: | |
205 | define_value(PRINT_FLAGS, ev_name, cur_field_name, "0", | |
206 | args->atom.atom); | |
207 | zero_flag_atom = 0; | |
208 | break; | |
209 | case PRINT_FIELD: | |
f5385650 | 210 | free(cur_field_name); |
7e4b21b8 TZ |
211 | cur_field_name = strdup(args->field.name); |
212 | break; | |
213 | case PRINT_FLAGS: | |
214 | define_event_symbols(event, ev_name, args->flags.field); | |
215 | define_field(PRINT_FLAGS, ev_name, cur_field_name, | |
216 | args->flags.delim); | |
217 | define_values(PRINT_FLAGS, args->flags.flags, ev_name, | |
218 | cur_field_name); | |
219 | break; | |
220 | case PRINT_SYMBOL: | |
221 | define_event_symbols(event, ev_name, args->symbol.field); | |
222 | define_field(PRINT_SYMBOL, ev_name, cur_field_name, NULL); | |
223 | define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name, | |
224 | cur_field_name); | |
225 | break; | |
e080e6f1 NK |
226 | case PRINT_HEX: |
227 | define_event_symbols(event, ev_name, args->hex.field); | |
228 | define_event_symbols(event, ev_name, args->hex.size); | |
229 | break; | |
7e4b21b8 TZ |
230 | case PRINT_STRING: |
231 | break; | |
232 | case PRINT_TYPE: | |
233 | define_event_symbols(event, ev_name, args->typecast.item); | |
234 | break; | |
235 | case PRINT_OP: | |
236 | if (strcmp(args->op.op, ":") == 0) | |
237 | zero_flag_atom = 1; | |
238 | define_event_symbols(event, ev_name, args->op.left); | |
239 | define_event_symbols(event, ev_name, args->op.right); | |
240 | break; | |
241 | default: | |
aaf045f7 SR |
242 | /* gcc warns for these? */ |
243 | case PRINT_BSTRING: | |
244 | case PRINT_DYNAMIC_ARRAY: | |
245 | case PRINT_FUNC: | |
473a778a | 246 | case PRINT_BITMASK: |
7e4b21b8 TZ |
247 | /* we should warn... */ |
248 | return; | |
249 | } | |
250 | ||
251 | if (args->next) | |
252 | define_event_symbols(event, ev_name, args->next); | |
253 | } | |
254 | ||
fcf65bf1 | 255 | static inline struct event_format *find_cache_event(struct perf_evsel *evsel) |
7e4b21b8 TZ |
256 | { |
257 | static char ev_name[256]; | |
aaf045f7 | 258 | struct event_format *event; |
fcf65bf1 | 259 | int type = evsel->attr.config; |
7e4b21b8 | 260 | |
fcf65bf1 ACM |
261 | /* |
262 | * XXX: Do we really need to cache this since now we have evsel->tp_format | |
263 | * cached already? Need to re-read this "cache" routine that as well calls | |
264 | * define_event_symbols() :-\ | |
265 | */ | |
7e4b21b8 TZ |
266 | if (events[type]) |
267 | return events[type]; | |
268 | ||
fcf65bf1 | 269 | events[type] = event = evsel->tp_format; |
7e4b21b8 TZ |
270 | if (!event) |
271 | return NULL; | |
272 | ||
273 | sprintf(ev_name, "%s__%s", event->system, event->name); | |
274 | ||
275 | define_event_symbols(event, ev_name, event->print_fmt.args); | |
276 | ||
277 | return event; | |
278 | } | |
279 | ||
33058b94 SAS |
280 | static PyObject *get_field_numeric_entry(struct event_format *event, |
281 | struct format_field *field, void *data) | |
282 | { | |
8ac631cd SAS |
283 | bool is_array = field->flags & FIELD_IS_ARRAY; |
284 | PyObject *obj, *list = NULL; | |
33058b94 | 285 | unsigned long long val; |
8ac631cd | 286 | unsigned int item_size, n_items, i; |
33058b94 | 287 | |
8ac631cd SAS |
288 | if (is_array) { |
289 | list = PyList_New(field->arraylen); | |
290 | item_size = field->size / field->arraylen; | |
291 | n_items = field->arraylen; | |
33058b94 | 292 | } else { |
8ac631cd SAS |
293 | item_size = field->size; |
294 | n_items = 1; | |
33058b94 | 295 | } |
8ac631cd SAS |
296 | |
297 | for (i = 0; i < n_items; i++) { | |
298 | ||
299 | val = read_size(event, data + field->offset + i * item_size, | |
300 | item_size); | |
301 | if (field->flags & FIELD_IS_SIGNED) { | |
302 | if ((long long)val >= LONG_MIN && | |
303 | (long long)val <= LONG_MAX) | |
304 | obj = PyInt_FromLong(val); | |
305 | else | |
306 | obj = PyLong_FromLongLong(val); | |
307 | } else { | |
308 | if (val <= LONG_MAX) | |
309 | obj = PyInt_FromLong(val); | |
310 | else | |
311 | obj = PyLong_FromUnsignedLongLong(val); | |
312 | } | |
313 | if (is_array) | |
314 | PyList_SET_ITEM(list, i, obj); | |
315 | } | |
316 | if (is_array) | |
317 | obj = list; | |
33058b94 SAS |
318 | return obj; |
319 | } | |
320 | ||
0f5f5bcd JS |
321 | |
322 | static PyObject *python_process_callchain(struct perf_sample *sample, | |
323 | struct perf_evsel *evsel, | |
324 | struct addr_location *al) | |
325 | { | |
326 | PyObject *pylist; | |
327 | ||
328 | pylist = PyList_New(0); | |
329 | if (!pylist) | |
330 | Py_FatalError("couldn't create Python list"); | |
331 | ||
332 | if (!symbol_conf.use_callchain || !sample->callchain) | |
333 | goto exit; | |
334 | ||
cc8b7c2b ACM |
335 | if (thread__resolve_callchain(al->thread, evsel, |
336 | sample, NULL, NULL, | |
337 | PERF_MAX_STACK_DEPTH) != 0) { | |
0f5f5bcd JS |
338 | pr_err("Failed to resolve callchain. Skipping\n"); |
339 | goto exit; | |
340 | } | |
341 | callchain_cursor_commit(&callchain_cursor); | |
342 | ||
343 | ||
344 | while (1) { | |
345 | PyObject *pyelem; | |
346 | struct callchain_cursor_node *node; | |
347 | node = callchain_cursor_current(&callchain_cursor); | |
348 | if (!node) | |
349 | break; | |
350 | ||
351 | pyelem = PyDict_New(); | |
352 | if (!pyelem) | |
353 | Py_FatalError("couldn't create Python dictionary"); | |
354 | ||
355 | ||
356 | pydict_set_item_string_decref(pyelem, "ip", | |
357 | PyLong_FromUnsignedLongLong(node->ip)); | |
358 | ||
359 | if (node->sym) { | |
360 | PyObject *pysym = PyDict_New(); | |
361 | if (!pysym) | |
362 | Py_FatalError("couldn't create Python dictionary"); | |
363 | pydict_set_item_string_decref(pysym, "start", | |
364 | PyLong_FromUnsignedLongLong(node->sym->start)); | |
365 | pydict_set_item_string_decref(pysym, "end", | |
366 | PyLong_FromUnsignedLongLong(node->sym->end)); | |
367 | pydict_set_item_string_decref(pysym, "binding", | |
368 | PyInt_FromLong(node->sym->binding)); | |
369 | pydict_set_item_string_decref(pysym, "name", | |
370 | PyString_FromStringAndSize(node->sym->name, | |
371 | node->sym->namelen)); | |
372 | pydict_set_item_string_decref(pyelem, "sym", pysym); | |
373 | } | |
374 | ||
375 | if (node->map) { | |
376 | struct map *map = node->map; | |
377 | const char *dsoname = "[unknown]"; | |
378 | if (map && map->dso && (map->dso->name || map->dso->long_name)) { | |
379 | if (symbol_conf.show_kernel_path && map->dso->long_name) | |
380 | dsoname = map->dso->long_name; | |
381 | else if (map->dso->name) | |
382 | dsoname = map->dso->name; | |
383 | } | |
384 | pydict_set_item_string_decref(pyelem, "dso", | |
385 | PyString_FromString(dsoname)); | |
386 | } | |
387 | ||
388 | callchain_cursor_advance(&callchain_cursor); | |
389 | PyList_Append(pylist, pyelem); | |
390 | Py_DECREF(pyelem); | |
391 | } | |
392 | ||
393 | exit: | |
394 | return pylist; | |
395 | } | |
396 | ||
397 | ||
b7fff6b5 ACM |
398 | static void python_process_tracepoint(struct perf_sample *sample, |
399 | struct perf_evsel *evsel, | |
400 | struct thread *thread, | |
401 | struct addr_location *al) | |
7e4b21b8 | 402 | { |
a5563edf | 403 | PyObject *handler, *context, *t, *obj, *callchain; |
0f5f5bcd | 404 | PyObject *dict = NULL; |
7e4b21b8 TZ |
405 | static char handler_name[256]; |
406 | struct format_field *field; | |
7e4b21b8 | 407 | unsigned long s, ns; |
aaf045f7 | 408 | struct event_format *event; |
7e4b21b8 | 409 | unsigned n = 0; |
7e4b21b8 | 410 | int pid; |
be6d842a DA |
411 | int cpu = sample->cpu; |
412 | void *data = sample->raw_data; | |
413 | unsigned long long nsecs = sample->time; | |
b9c5143a | 414 | const char *comm = thread__comm_str(thread); |
7e4b21b8 TZ |
415 | |
416 | t = PyTuple_New(MAX_FIELDS); | |
417 | if (!t) | |
418 | Py_FatalError("couldn't create Python tuple"); | |
419 | ||
fcf65bf1 | 420 | event = find_cache_event(evsel); |
7e4b21b8 | 421 | if (!event) |
fcf65bf1 | 422 | die("ug! no event found for type %d", (int)evsel->attr.config); |
7e4b21b8 | 423 | |
97822433 | 424 | pid = raw_field_value(event, "common_pid", data); |
7e4b21b8 TZ |
425 | |
426 | sprintf(handler_name, "%s__%s", event->system, event->name); | |
427 | ||
a5563edf | 428 | handler = get_handler(handler_name); |
c0251485 PT |
429 | if (!handler) { |
430 | dict = PyDict_New(); | |
431 | if (!dict) | |
432 | Py_FatalError("couldn't create Python dict"); | |
433 | } | |
7e4b21b8 TZ |
434 | s = nsecs / NSECS_PER_SEC; |
435 | ns = nsecs - s * NSECS_PER_SEC; | |
436 | ||
437 | scripting_context->event_data = data; | |
2de9533d | 438 | scripting_context->pevent = evsel->tp_format->pevent; |
7e4b21b8 TZ |
439 | |
440 | context = PyCObject_FromVoidPtr(scripting_context, NULL); | |
441 | ||
442 | PyTuple_SetItem(t, n++, PyString_FromString(handler_name)); | |
fb7d0b3c | 443 | PyTuple_SetItem(t, n++, context); |
7e4b21b8 | 444 | |
0f5f5bcd JS |
445 | /* ip unwinding */ |
446 | callchain = python_process_callchain(sample, evsel, al); | |
447 | ||
c0251485 PT |
448 | if (handler) { |
449 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
450 | PyTuple_SetItem(t, n++, PyInt_FromLong(s)); | |
451 | PyTuple_SetItem(t, n++, PyInt_FromLong(ns)); | |
452 | PyTuple_SetItem(t, n++, PyInt_FromLong(pid)); | |
453 | PyTuple_SetItem(t, n++, PyString_FromString(comm)); | |
0f5f5bcd | 454 | PyTuple_SetItem(t, n++, callchain); |
c0251485 | 455 | } else { |
c0268e8d JS |
456 | pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu)); |
457 | pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s)); | |
458 | pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns)); | |
459 | pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid)); | |
460 | pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm)); | |
0f5f5bcd | 461 | pydict_set_item_string_decref(dict, "common_callchain", callchain); |
c0251485 | 462 | } |
7e4b21b8 TZ |
463 | for (field = event->format.fields; field; field = field->next) { |
464 | if (field->flags & FIELD_IS_STRING) { | |
465 | int offset; | |
466 | if (field->flags & FIELD_IS_DYNAMIC) { | |
467 | offset = *(int *)(data + field->offset); | |
468 | offset &= 0xffff; | |
469 | } else | |
470 | offset = field->offset; | |
b1dcc03c | 471 | obj = PyString_FromString((char *)data + offset); |
7e4b21b8 | 472 | } else { /* FIELD_IS_NUMERIC */ |
33058b94 | 473 | obj = get_field_numeric_entry(event, field, data); |
7e4b21b8 | 474 | } |
c0251485 PT |
475 | if (handler) |
476 | PyTuple_SetItem(t, n++, obj); | |
477 | else | |
c0268e8d | 478 | pydict_set_item_string_decref(dict, field->name, obj); |
c0251485 | 479 | |
7e4b21b8 | 480 | } |
0f5f5bcd | 481 | |
c0251485 PT |
482 | if (!handler) |
483 | PyTuple_SetItem(t, n++, dict); | |
7e4b21b8 TZ |
484 | |
485 | if (_PyTuple_Resize(&t, n) == -1) | |
486 | Py_FatalError("error resizing Python tuple"); | |
487 | ||
c0251485 | 488 | if (handler) { |
a5563edf | 489 | call_object(handler, t, handler_name); |
7e4b21b8 | 490 | } else { |
a5563edf | 491 | try_call_object("trace_unhandled", t); |
c0251485 | 492 | Py_DECREF(dict); |
7e4b21b8 TZ |
493 | } |
494 | ||
495 | Py_DECREF(t); | |
496 | } | |
497 | ||
df919b40 AH |
498 | static PyObject *tuple_new(unsigned int sz) |
499 | { | |
500 | PyObject *t; | |
501 | ||
502 | t = PyTuple_New(sz); | |
503 | if (!t) | |
504 | Py_FatalError("couldn't create Python tuple"); | |
505 | return t; | |
506 | } | |
507 | ||
508 | static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) | |
509 | { | |
510 | #if BITS_PER_LONG == 64 | |
511 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
512 | #endif | |
513 | #if BITS_PER_LONG == 32 | |
514 | return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val)); | |
515 | #endif | |
516 | } | |
517 | ||
518 | static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) | |
519 | { | |
520 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
521 | } | |
522 | ||
523 | static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) | |
524 | { | |
525 | return PyTuple_SetItem(t, pos, PyString_FromString(s)); | |
526 | } | |
527 | ||
528 | static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel) | |
529 | { | |
530 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
531 | PyObject *t; | |
532 | ||
533 | t = tuple_new(2); | |
534 | ||
535 | tuple_set_u64(t, 0, evsel->db_id); | |
536 | tuple_set_string(t, 1, perf_evsel__name(evsel)); | |
537 | ||
538 | call_object(tables->evsel_handler, t, "evsel_table"); | |
539 | ||
540 | Py_DECREF(t); | |
541 | ||
542 | return 0; | |
543 | } | |
544 | ||
545 | static int python_export_machine(struct db_export *dbe, | |
546 | struct machine *machine) | |
547 | { | |
548 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
549 | PyObject *t; | |
550 | ||
551 | t = tuple_new(3); | |
552 | ||
553 | tuple_set_u64(t, 0, machine->db_id); | |
554 | tuple_set_s32(t, 1, machine->pid); | |
555 | tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : ""); | |
556 | ||
557 | call_object(tables->machine_handler, t, "machine_table"); | |
558 | ||
559 | Py_DECREF(t); | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
564 | static int python_export_thread(struct db_export *dbe, struct thread *thread, | |
565 | u64 main_thread_db_id, struct machine *machine) | |
566 | { | |
567 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
568 | PyObject *t; | |
569 | ||
570 | t = tuple_new(5); | |
571 | ||
572 | tuple_set_u64(t, 0, thread->db_id); | |
573 | tuple_set_u64(t, 1, machine->db_id); | |
574 | tuple_set_u64(t, 2, main_thread_db_id); | |
575 | tuple_set_s32(t, 3, thread->pid_); | |
576 | tuple_set_s32(t, 4, thread->tid); | |
577 | ||
578 | call_object(tables->thread_handler, t, "thread_table"); | |
579 | ||
580 | Py_DECREF(t); | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int python_export_comm(struct db_export *dbe, struct comm *comm) | |
586 | { | |
587 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
588 | PyObject *t; | |
589 | ||
590 | t = tuple_new(2); | |
591 | ||
592 | tuple_set_u64(t, 0, comm->db_id); | |
593 | tuple_set_string(t, 1, comm__str(comm)); | |
594 | ||
595 | call_object(tables->comm_handler, t, "comm_table"); | |
596 | ||
597 | Py_DECREF(t); | |
598 | ||
599 | return 0; | |
600 | } | |
601 | ||
602 | static int python_export_comm_thread(struct db_export *dbe, u64 db_id, | |
603 | struct comm *comm, struct thread *thread) | |
604 | { | |
605 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
606 | PyObject *t; | |
607 | ||
608 | t = tuple_new(3); | |
609 | ||
610 | tuple_set_u64(t, 0, db_id); | |
611 | tuple_set_u64(t, 1, comm->db_id); | |
612 | tuple_set_u64(t, 2, thread->db_id); | |
613 | ||
614 | call_object(tables->comm_thread_handler, t, "comm_thread_table"); | |
615 | ||
616 | Py_DECREF(t); | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
621 | static int python_export_dso(struct db_export *dbe, struct dso *dso, | |
622 | struct machine *machine) | |
623 | { | |
624 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
625 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
626 | PyObject *t; | |
627 | ||
628 | build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); | |
629 | ||
630 | t = tuple_new(5); | |
631 | ||
632 | tuple_set_u64(t, 0, dso->db_id); | |
633 | tuple_set_u64(t, 1, machine->db_id); | |
634 | tuple_set_string(t, 2, dso->short_name); | |
635 | tuple_set_string(t, 3, dso->long_name); | |
636 | tuple_set_string(t, 4, sbuild_id); | |
637 | ||
638 | call_object(tables->dso_handler, t, "dso_table"); | |
639 | ||
640 | Py_DECREF(t); | |
641 | ||
642 | return 0; | |
643 | } | |
644 | ||
645 | static int python_export_symbol(struct db_export *dbe, struct symbol *sym, | |
646 | struct dso *dso) | |
647 | { | |
648 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
649 | u64 *sym_db_id = symbol__priv(sym); | |
650 | PyObject *t; | |
651 | ||
652 | t = tuple_new(6); | |
653 | ||
654 | tuple_set_u64(t, 0, *sym_db_id); | |
655 | tuple_set_u64(t, 1, dso->db_id); | |
656 | tuple_set_u64(t, 2, sym->start); | |
657 | tuple_set_u64(t, 3, sym->end); | |
658 | tuple_set_s32(t, 4, sym->binding); | |
659 | tuple_set_string(t, 5, sym->name); | |
660 | ||
661 | call_object(tables->symbol_handler, t, "symbol_table"); | |
662 | ||
663 | Py_DECREF(t); | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
c29414f5 AH |
668 | static int python_export_branch_type(struct db_export *dbe, u32 branch_type, |
669 | const char *name) | |
670 | { | |
671 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
672 | PyObject *t; | |
673 | ||
674 | t = tuple_new(2); | |
675 | ||
676 | tuple_set_s32(t, 0, branch_type); | |
677 | tuple_set_string(t, 1, name); | |
678 | ||
679 | call_object(tables->branch_type_handler, t, "branch_type_table"); | |
680 | ||
681 | Py_DECREF(t); | |
682 | ||
683 | return 0; | |
684 | } | |
685 | ||
df919b40 AH |
686 | static int python_export_sample(struct db_export *dbe, |
687 | struct export_sample *es) | |
688 | { | |
689 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
690 | PyObject *t; | |
691 | ||
c29414f5 | 692 | t = tuple_new(21); |
df919b40 AH |
693 | |
694 | tuple_set_u64(t, 0, es->db_id); | |
695 | tuple_set_u64(t, 1, es->evsel->db_id); | |
696 | tuple_set_u64(t, 2, es->al->machine->db_id); | |
697 | tuple_set_u64(t, 3, es->thread->db_id); | |
698 | tuple_set_u64(t, 4, es->comm_db_id); | |
699 | tuple_set_u64(t, 5, es->dso_db_id); | |
700 | tuple_set_u64(t, 6, es->sym_db_id); | |
701 | tuple_set_u64(t, 7, es->offset); | |
702 | tuple_set_u64(t, 8, es->sample->ip); | |
703 | tuple_set_u64(t, 9, es->sample->time); | |
704 | tuple_set_s32(t, 10, es->sample->cpu); | |
705 | tuple_set_u64(t, 11, es->addr_dso_db_id); | |
706 | tuple_set_u64(t, 12, es->addr_sym_db_id); | |
707 | tuple_set_u64(t, 13, es->addr_offset); | |
708 | tuple_set_u64(t, 14, es->sample->addr); | |
709 | tuple_set_u64(t, 15, es->sample->period); | |
710 | tuple_set_u64(t, 16, es->sample->weight); | |
711 | tuple_set_u64(t, 17, es->sample->transaction); | |
712 | tuple_set_u64(t, 18, es->sample->data_src); | |
c29414f5 AH |
713 | tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK); |
714 | tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX)); | |
df919b40 AH |
715 | |
716 | call_object(tables->sample_handler, t, "sample_table"); | |
717 | ||
718 | Py_DECREF(t); | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
b7fff6b5 | 723 | static void python_process_general_event(struct perf_sample *sample, |
6a6daec2 | 724 | struct perf_evsel *evsel, |
2eaa1b40 | 725 | struct thread *thread, |
87b6a3ad | 726 | struct addr_location *al) |
6a6daec2 | 727 | { |
a5563edf | 728 | PyObject *handler, *t, *dict, *callchain, *dict_sample; |
6a6daec2 FT |
729 | static char handler_name[64]; |
730 | unsigned n = 0; | |
6a6daec2 | 731 | |
fd6b858a FT |
732 | /* |
733 | * Use the MAX_FIELDS to make the function expandable, though | |
87b6a3ad | 734 | * currently there is only one item for the tuple. |
fd6b858a | 735 | */ |
6a6daec2 FT |
736 | t = PyTuple_New(MAX_FIELDS); |
737 | if (!t) | |
738 | Py_FatalError("couldn't create Python tuple"); | |
739 | ||
fd6b858a FT |
740 | dict = PyDict_New(); |
741 | if (!dict) | |
742 | Py_FatalError("couldn't create Python dictionary"); | |
743 | ||
57608cfd JS |
744 | dict_sample = PyDict_New(); |
745 | if (!dict_sample) | |
746 | Py_FatalError("couldn't create Python dictionary"); | |
747 | ||
6a6daec2 FT |
748 | snprintf(handler_name, sizeof(handler_name), "%s", "process_event"); |
749 | ||
a5563edf AH |
750 | handler = get_handler(handler_name); |
751 | if (!handler) | |
6a6daec2 | 752 | goto exit; |
6a6daec2 | 753 | |
c0268e8d JS |
754 | pydict_set_item_string_decref(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel))); |
755 | pydict_set_item_string_decref(dict, "attr", PyString_FromStringAndSize( | |
fd6b858a | 756 | (const char *)&evsel->attr, sizeof(evsel->attr))); |
57608cfd JS |
757 | |
758 | pydict_set_item_string_decref(dict_sample, "pid", | |
759 | PyInt_FromLong(sample->pid)); | |
760 | pydict_set_item_string_decref(dict_sample, "tid", | |
761 | PyInt_FromLong(sample->tid)); | |
762 | pydict_set_item_string_decref(dict_sample, "cpu", | |
763 | PyInt_FromLong(sample->cpu)); | |
764 | pydict_set_item_string_decref(dict_sample, "ip", | |
765 | PyLong_FromUnsignedLongLong(sample->ip)); | |
766 | pydict_set_item_string_decref(dict_sample, "time", | |
767 | PyLong_FromUnsignedLongLong(sample->time)); | |
768 | pydict_set_item_string_decref(dict_sample, "period", | |
769 | PyLong_FromUnsignedLongLong(sample->period)); | |
770 | pydict_set_item_string_decref(dict, "sample", dict_sample); | |
771 | ||
c0268e8d | 772 | pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize( |
fd6b858a | 773 | (const char *)sample->raw_data, sample->raw_size)); |
c0268e8d | 774 | pydict_set_item_string_decref(dict, "comm", |
b9c5143a | 775 | PyString_FromString(thread__comm_str(thread))); |
fd6b858a | 776 | if (al->map) { |
c0268e8d | 777 | pydict_set_item_string_decref(dict, "dso", |
fd6b858a FT |
778 | PyString_FromString(al->map->dso->name)); |
779 | } | |
780 | if (al->sym) { | |
c0268e8d | 781 | pydict_set_item_string_decref(dict, "symbol", |
fd6b858a FT |
782 | PyString_FromString(al->sym->name)); |
783 | } | |
6a6daec2 | 784 | |
0f5f5bcd JS |
785 | /* ip unwinding */ |
786 | callchain = python_process_callchain(sample, evsel, al); | |
787 | pydict_set_item_string_decref(dict, "callchain", callchain); | |
788 | ||
fd6b858a | 789 | PyTuple_SetItem(t, n++, dict); |
6a6daec2 FT |
790 | if (_PyTuple_Resize(&t, n) == -1) |
791 | Py_FatalError("error resizing Python tuple"); | |
792 | ||
a5563edf | 793 | call_object(handler, t, handler_name); |
6a6daec2 | 794 | exit: |
fd6b858a | 795 | Py_DECREF(dict); |
6a6daec2 FT |
796 | Py_DECREF(t); |
797 | } | |
798 | ||
df919b40 | 799 | static void python_process_event(union perf_event *event, |
6a6daec2 FT |
800 | struct perf_sample *sample, |
801 | struct perf_evsel *evsel, | |
2eaa1b40 | 802 | struct thread *thread, |
73994dc1 | 803 | struct addr_location *al) |
6a6daec2 | 804 | { |
df919b40 AH |
805 | struct tables *tables = &tables_global; |
806 | ||
6a6daec2 FT |
807 | switch (evsel->attr.type) { |
808 | case PERF_TYPE_TRACEPOINT: | |
b7fff6b5 | 809 | python_process_tracepoint(sample, evsel, thread, al); |
6a6daec2 FT |
810 | break; |
811 | /* Reserve for future process_hw/sw/raw APIs */ | |
812 | default: | |
df919b40 AH |
813 | if (tables->db_export_mode) |
814 | db_export__sample(&tables->dbe, event, sample, evsel, | |
815 | thread, al); | |
816 | else | |
817 | python_process_general_event(sample, evsel, thread, al); | |
6a6daec2 FT |
818 | } |
819 | } | |
820 | ||
7e4b21b8 TZ |
821 | static int run_start_sub(void) |
822 | { | |
7e4b21b8 TZ |
823 | main_module = PyImport_AddModule("__main__"); |
824 | if (main_module == NULL) | |
825 | return -1; | |
826 | Py_INCREF(main_module); | |
827 | ||
828 | main_dict = PyModule_GetDict(main_module); | |
a5563edf | 829 | if (main_dict == NULL) |
7e4b21b8 | 830 | goto error; |
7e4b21b8 TZ |
831 | Py_INCREF(main_dict); |
832 | ||
a5563edf | 833 | try_call_object("trace_begin", NULL); |
7e4b21b8 | 834 | |
a5563edf | 835 | return 0; |
7e4b21b8 | 836 | |
7e4b21b8 TZ |
837 | error: |
838 | Py_XDECREF(main_dict); | |
839 | Py_XDECREF(main_module); | |
a5563edf | 840 | return -1; |
7e4b21b8 TZ |
841 | } |
842 | ||
df919b40 AH |
843 | #define SET_TABLE_HANDLER_(name, handler_name, table_name) do { \ |
844 | tables->handler_name = get_handler(#table_name); \ | |
845 | if (tables->handler_name) \ | |
846 | tables->dbe.export_ ## name = python_export_ ## name; \ | |
847 | } while (0) | |
848 | ||
849 | #define SET_TABLE_HANDLER(name) \ | |
850 | SET_TABLE_HANDLER_(name, name ## _handler, name ## _table) | |
851 | ||
852 | static void set_table_handlers(struct tables *tables) | |
853 | { | |
854 | const char *perf_db_export_mode = "perf_db_export_mode"; | |
855 | PyObject *db_export_mode; | |
856 | int ret; | |
857 | ||
858 | memset(tables, 0, sizeof(struct tables)); | |
859 | if (db_export__init(&tables->dbe)) | |
860 | Py_FatalError("failed to initialize export"); | |
861 | ||
862 | db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode); | |
863 | if (!db_export_mode) | |
864 | return; | |
865 | ||
866 | ret = PyObject_IsTrue(db_export_mode); | |
867 | if (ret == -1) | |
868 | handler_call_die(perf_db_export_mode); | |
869 | if (!ret) | |
870 | return; | |
871 | ||
872 | tables->db_export_mode = true; | |
873 | /* | |
874 | * Reserve per symbol space for symbol->db_id via symbol__priv() | |
875 | */ | |
876 | symbol_conf.priv_size = sizeof(u64); | |
877 | ||
878 | SET_TABLE_HANDLER(evsel); | |
879 | SET_TABLE_HANDLER(machine); | |
880 | SET_TABLE_HANDLER(thread); | |
881 | SET_TABLE_HANDLER(comm); | |
882 | SET_TABLE_HANDLER(comm_thread); | |
883 | SET_TABLE_HANDLER(dso); | |
884 | SET_TABLE_HANDLER(symbol); | |
c29414f5 | 885 | SET_TABLE_HANDLER(branch_type); |
df919b40 AH |
886 | SET_TABLE_HANDLER(sample); |
887 | } | |
888 | ||
7e4b21b8 TZ |
889 | /* |
890 | * Start trace script | |
891 | */ | |
892 | static int python_start_script(const char *script, int argc, const char **argv) | |
893 | { | |
df919b40 | 894 | struct tables *tables = &tables_global; |
7e4b21b8 TZ |
895 | const char **command_line; |
896 | char buf[PATH_MAX]; | |
897 | int i, err = 0; | |
898 | FILE *fp; | |
899 | ||
900 | command_line = malloc((argc + 1) * sizeof(const char *)); | |
901 | command_line[0] = script; | |
902 | for (i = 1; i < argc + 1; i++) | |
903 | command_line[i] = argv[i - 1]; | |
904 | ||
905 | Py_Initialize(); | |
906 | ||
907 | initperf_trace_context(); | |
908 | ||
909 | PySys_SetArgv(argc + 1, (char **)command_line); | |
910 | ||
911 | fp = fopen(script, "r"); | |
912 | if (!fp) { | |
913 | sprintf(buf, "Can't open python script \"%s\"", script); | |
914 | perror(buf); | |
915 | err = -1; | |
916 | goto error; | |
917 | } | |
918 | ||
919 | err = PyRun_SimpleFile(fp, script); | |
920 | if (err) { | |
921 | fprintf(stderr, "Error running python script %s\n", script); | |
922 | goto error; | |
923 | } | |
924 | ||
925 | err = run_start_sub(); | |
926 | if (err) { | |
927 | fprintf(stderr, "Error starting python script %s\n", script); | |
928 | goto error; | |
929 | } | |
930 | ||
931 | free(command_line); | |
7e4b21b8 | 932 | |
df919b40 AH |
933 | set_table_handlers(tables); |
934 | ||
c29414f5 AH |
935 | if (tables->db_export_mode) { |
936 | err = db_export__branch_types(&tables->dbe); | |
937 | if (err) | |
938 | goto error; | |
939 | } | |
940 | ||
7e4b21b8 TZ |
941 | return err; |
942 | error: | |
943 | Py_Finalize(); | |
944 | free(command_line); | |
945 | ||
946 | return err; | |
947 | } | |
948 | ||
d445dd2a AH |
949 | static int python_flush_script(void) |
950 | { | |
951 | return 0; | |
952 | } | |
953 | ||
7e4b21b8 TZ |
954 | /* |
955 | * Stop trace script | |
956 | */ | |
957 | static int python_stop_script(void) | |
958 | { | |
df919b40 AH |
959 | struct tables *tables = &tables_global; |
960 | ||
a5563edf | 961 | try_call_object("trace_end", NULL); |
7e4b21b8 | 962 | |
df919b40 AH |
963 | db_export__exit(&tables->dbe); |
964 | ||
7e4b21b8 TZ |
965 | Py_XDECREF(main_dict); |
966 | Py_XDECREF(main_module); | |
967 | Py_Finalize(); | |
968 | ||
a5563edf | 969 | return 0; |
7e4b21b8 TZ |
970 | } |
971 | ||
da378962 | 972 | static int python_generate_script(struct pevent *pevent, const char *outfile) |
7e4b21b8 | 973 | { |
aaf045f7 | 974 | struct event_format *event = NULL; |
7e4b21b8 TZ |
975 | struct format_field *f; |
976 | char fname[PATH_MAX]; | |
977 | int not_first, count; | |
978 | FILE *ofp; | |
979 | ||
980 | sprintf(fname, "%s.py", outfile); | |
981 | ofp = fopen(fname, "w"); | |
982 | if (ofp == NULL) { | |
983 | fprintf(stderr, "couldn't open %s\n", fname); | |
984 | return -1; | |
985 | } | |
133dc4c3 IM |
986 | fprintf(ofp, "# perf script event handlers, " |
987 | "generated by perf script -g python\n"); | |
7e4b21b8 TZ |
988 | |
989 | fprintf(ofp, "# Licensed under the terms of the GNU GPL" | |
990 | " License version 2\n\n"); | |
991 | ||
992 | fprintf(ofp, "# The common_* event handler fields are the most useful " | |
993 | "fields common to\n"); | |
994 | ||
995 | fprintf(ofp, "# all events. They don't necessarily correspond to " | |
996 | "the 'common_*' fields\n"); | |
997 | ||
998 | fprintf(ofp, "# in the format files. Those fields not available as " | |
999 | "handler params can\n"); | |
1000 | ||
1001 | fprintf(ofp, "# be retrieved using Python functions of the form " | |
1002 | "common_*(context).\n"); | |
1003 | ||
1004 | fprintf(ofp, "# See the perf-trace-python Documentation for the list " | |
1005 | "of available functions.\n\n"); | |
1006 | ||
1007 | fprintf(ofp, "import os\n"); | |
1008 | fprintf(ofp, "import sys\n\n"); | |
1009 | ||
1010 | fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n"); | |
1011 | fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n"); | |
1012 | fprintf(ofp, "\nfrom perf_trace_context import *\n"); | |
1013 | fprintf(ofp, "from Core import *\n\n\n"); | |
1014 | ||
1015 | fprintf(ofp, "def trace_begin():\n"); | |
1016 | fprintf(ofp, "\tprint \"in trace_begin\"\n\n"); | |
1017 | ||
1018 | fprintf(ofp, "def trace_end():\n"); | |
1019 | fprintf(ofp, "\tprint \"in trace_end\"\n\n"); | |
1020 | ||
da378962 | 1021 | while ((event = trace_find_next_event(pevent, event))) { |
7e4b21b8 TZ |
1022 | fprintf(ofp, "def %s__%s(", event->system, event->name); |
1023 | fprintf(ofp, "event_name, "); | |
1024 | fprintf(ofp, "context, "); | |
1025 | fprintf(ofp, "common_cpu,\n"); | |
1026 | fprintf(ofp, "\tcommon_secs, "); | |
1027 | fprintf(ofp, "common_nsecs, "); | |
1028 | fprintf(ofp, "common_pid, "); | |
1029 | fprintf(ofp, "common_comm,\n\t"); | |
0f5f5bcd | 1030 | fprintf(ofp, "common_callchain, "); |
7e4b21b8 TZ |
1031 | |
1032 | not_first = 0; | |
1033 | count = 0; | |
1034 | ||
1035 | for (f = event->format.fields; f; f = f->next) { | |
1036 | if (not_first++) | |
1037 | fprintf(ofp, ", "); | |
1038 | if (++count % 5 == 0) | |
1039 | fprintf(ofp, "\n\t"); | |
1040 | ||
1041 | fprintf(ofp, "%s", f->name); | |
1042 | } | |
1043 | fprintf(ofp, "):\n"); | |
1044 | ||
1045 | fprintf(ofp, "\t\tprint_header(event_name, common_cpu, " | |
1046 | "common_secs, common_nsecs,\n\t\t\t" | |
1047 | "common_pid, common_comm)\n\n"); | |
1048 | ||
1049 | fprintf(ofp, "\t\tprint \""); | |
1050 | ||
1051 | not_first = 0; | |
1052 | count = 0; | |
1053 | ||
1054 | for (f = event->format.fields; f; f = f->next) { | |
1055 | if (not_first++) | |
1056 | fprintf(ofp, ", "); | |
1057 | if (count && count % 3 == 0) { | |
1058 | fprintf(ofp, "\" \\\n\t\t\""); | |
1059 | } | |
1060 | count++; | |
1061 | ||
1062 | fprintf(ofp, "%s=", f->name); | |
1063 | if (f->flags & FIELD_IS_STRING || | |
1064 | f->flags & FIELD_IS_FLAG || | |
e646fe73 | 1065 | f->flags & FIELD_IS_ARRAY || |
7e4b21b8 TZ |
1066 | f->flags & FIELD_IS_SYMBOLIC) |
1067 | fprintf(ofp, "%%s"); | |
1068 | else if (f->flags & FIELD_IS_SIGNED) | |
1069 | fprintf(ofp, "%%d"); | |
1070 | else | |
1071 | fprintf(ofp, "%%u"); | |
1072 | } | |
1073 | ||
0f5f5bcd | 1074 | fprintf(ofp, "\" %% \\\n\t\t("); |
7e4b21b8 TZ |
1075 | |
1076 | not_first = 0; | |
1077 | count = 0; | |
1078 | ||
1079 | for (f = event->format.fields; f; f = f->next) { | |
1080 | if (not_first++) | |
1081 | fprintf(ofp, ", "); | |
1082 | ||
1083 | if (++count % 5 == 0) | |
1084 | fprintf(ofp, "\n\t\t"); | |
1085 | ||
1086 | if (f->flags & FIELD_IS_FLAG) { | |
1087 | if ((count - 1) % 5 != 0) { | |
1088 | fprintf(ofp, "\n\t\t"); | |
1089 | count = 4; | |
1090 | } | |
1091 | fprintf(ofp, "flag_str(\""); | |
1092 | fprintf(ofp, "%s__%s\", ", event->system, | |
1093 | event->name); | |
1094 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1095 | f->name); | |
1096 | } else if (f->flags & FIELD_IS_SYMBOLIC) { | |
1097 | if ((count - 1) % 5 != 0) { | |
1098 | fprintf(ofp, "\n\t\t"); | |
1099 | count = 4; | |
1100 | } | |
1101 | fprintf(ofp, "symbol_str(\""); | |
1102 | fprintf(ofp, "%s__%s\", ", event->system, | |
1103 | event->name); | |
1104 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1105 | f->name); | |
1106 | } else | |
1107 | fprintf(ofp, "%s", f->name); | |
1108 | } | |
1109 | ||
0f5f5bcd JS |
1110 | fprintf(ofp, ")\n\n"); |
1111 | ||
1112 | fprintf(ofp, "\t\tfor node in common_callchain:"); | |
1113 | fprintf(ofp, "\n\t\t\tif 'sym' in node:"); | |
1114 | fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])"); | |
1115 | fprintf(ofp, "\n\t\t\telse:"); | |
1116 | fprintf(ofp, "\n\t\t\t\tprint \"\t[%%x]\" %% (node['ip'])\n\n"); | |
1117 | fprintf(ofp, "\t\tprint \"\\n\"\n\n"); | |
1118 | ||
7e4b21b8 TZ |
1119 | } |
1120 | ||
1121 | fprintf(ofp, "def trace_unhandled(event_name, context, " | |
c0251485 | 1122 | "event_fields_dict):\n"); |
7e4b21b8 | 1123 | |
c0251485 PT |
1124 | fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))" |
1125 | "for k,v in sorted(event_fields_dict.items())])\n\n"); | |
7e4b21b8 TZ |
1126 | |
1127 | fprintf(ofp, "def print_header(" | |
1128 | "event_name, cpu, secs, nsecs, pid, comm):\n" | |
1129 | "\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t" | |
1130 | "(event_name, cpu, secs, nsecs, pid, comm),\n"); | |
1131 | ||
1132 | fclose(ofp); | |
1133 | ||
1134 | fprintf(stderr, "generated Python script: %s\n", fname); | |
1135 | ||
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | struct scripting_ops python_scripting_ops = { | |
1140 | .name = "Python", | |
1141 | .start_script = python_start_script, | |
d445dd2a | 1142 | .flush_script = python_flush_script, |
7e4b21b8 TZ |
1143 | .stop_script = python_stop_script, |
1144 | .process_event = python_process_event, | |
1145 | .generate_script = python_generate_script, | |
1146 | }; |