Commit | Line | Data |
---|---|---|
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 | 28 | #include <errno.h> |
adf5bcf3 | 29 | #include <linux/bitmap.h> |
7e4b21b8 TZ |
30 | |
31 | #include "../../perf.h" | |
84f5d36f | 32 | #include "../debug.h" |
8f651eae | 33 | #include "../callchain.h" |
fcf65bf1 | 34 | #include "../evsel.h" |
7e4b21b8 | 35 | #include "../util.h" |
743eb868 ACM |
36 | #include "../event.h" |
37 | #include "../thread.h" | |
df919b40 AH |
38 | #include "../comm.h" |
39 | #include "../machine.h" | |
40 | #include "../db-export.h" | |
6a70307d | 41 | #include "../thread-stack.h" |
7e4b21b8 | 42 | #include "../trace-event.h" |
0f5f5bcd | 43 | #include "../machine.h" |
aef90263 JO |
44 | #include "thread_map.h" |
45 | #include "cpumap.h" | |
46 | #include "stat.h" | |
7e4b21b8 TZ |
47 | |
48 | PyMODINIT_FUNC initperf_trace_context(void); | |
49 | ||
609a7404 | 50 | #define TRACE_EVENT_TYPE_MAX \ |
7e4b21b8 TZ |
51 | ((1 << (sizeof(unsigned short) * 8)) - 1) |
52 | ||
609a7404 | 53 | static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX); |
7e4b21b8 TZ |
54 | |
55 | #define MAX_FIELDS 64 | |
56 | #define N_COMMON_FIELDS 7 | |
57 | ||
58 | extern struct scripting_context *scripting_context; | |
59 | ||
60 | static char *cur_field_name; | |
61 | static int zero_flag_atom; | |
62 | ||
63 | static PyObject *main_module, *main_dict; | |
64 | ||
df919b40 AH |
65 | struct tables { |
66 | struct db_export dbe; | |
67 | PyObject *evsel_handler; | |
68 | PyObject *machine_handler; | |
69 | PyObject *thread_handler; | |
70 | PyObject *comm_handler; | |
71 | PyObject *comm_thread_handler; | |
72 | PyObject *dso_handler; | |
73 | PyObject *symbol_handler; | |
c29414f5 | 74 | PyObject *branch_type_handler; |
df919b40 | 75 | PyObject *sample_handler; |
6a70307d AH |
76 | PyObject *call_path_handler; |
77 | PyObject *call_return_handler; | |
df919b40 AH |
78 | bool db_export_mode; |
79 | }; | |
80 | ||
81 | static struct tables tables_global; | |
82 | ||
05f832e3 | 83 | static void handler_call_die(const char *handler_name) NORETURN; |
7e4b21b8 TZ |
84 | static void handler_call_die(const char *handler_name) |
85 | { | |
86 | PyErr_Print(); | |
87 | Py_FatalError("problem in Python trace event handler"); | |
05f832e3 JS |
88 | // Py_FatalError does not return |
89 | // but we have to make the compiler happy | |
90 | abort(); | |
7e4b21b8 TZ |
91 | } |
92 | ||
c0268e8d JS |
93 | /* |
94 | * Insert val into into the dictionary and decrement the reference counter. | |
48000a1a | 95 | * This is necessary for dictionaries since PyDict_SetItemString() does not |
c0268e8d JS |
96 | * steal a reference, as opposed to PyTuple_SetItem(). |
97 | */ | |
98 | static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val) | |
99 | { | |
100 | PyDict_SetItemString(dict, key, val); | |
101 | Py_DECREF(val); | |
102 | } | |
103 | ||
a5563edf AH |
104 | static PyObject *get_handler(const char *handler_name) |
105 | { | |
106 | PyObject *handler; | |
107 | ||
108 | handler = PyDict_GetItemString(main_dict, handler_name); | |
109 | if (handler && !PyCallable_Check(handler)) | |
110 | return NULL; | |
111 | return handler; | |
112 | } | |
113 | ||
114 | static void call_object(PyObject *handler, PyObject *args, const char *die_msg) | |
115 | { | |
116 | PyObject *retval; | |
117 | ||
118 | retval = PyObject_CallObject(handler, args); | |
119 | if (retval == NULL) | |
120 | handler_call_die(die_msg); | |
121 | Py_DECREF(retval); | |
122 | } | |
123 | ||
124 | static void try_call_object(const char *handler_name, PyObject *args) | |
125 | { | |
126 | PyObject *handler; | |
127 | ||
128 | handler = get_handler(handler_name); | |
129 | if (handler) | |
130 | call_object(handler, args, handler_name); | |
131 | } | |
132 | ||
7e4b21b8 TZ |
133 | static void define_value(enum print_arg_type field_type, |
134 | const char *ev_name, | |
135 | const char *field_name, | |
136 | const char *field_value, | |
137 | const char *field_str) | |
138 | { | |
139 | const char *handler_name = "define_flag_value"; | |
a5563edf | 140 | PyObject *t; |
7e4b21b8 TZ |
141 | unsigned long long value; |
142 | unsigned n = 0; | |
143 | ||
144 | if (field_type == PRINT_SYMBOL) | |
145 | handler_name = "define_symbolic_value"; | |
146 | ||
44ad9cd8 | 147 | t = PyTuple_New(4); |
7e4b21b8 TZ |
148 | if (!t) |
149 | Py_FatalError("couldn't create Python tuple"); | |
150 | ||
151 | value = eval_flag(field_value); | |
152 | ||
153 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
154 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
155 | PyTuple_SetItem(t, n++, PyInt_FromLong(value)); | |
156 | PyTuple_SetItem(t, n++, PyString_FromString(field_str)); | |
157 | ||
a5563edf | 158 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
159 | |
160 | Py_DECREF(t); | |
161 | } | |
162 | ||
163 | static void define_values(enum print_arg_type field_type, | |
164 | struct print_flag_sym *field, | |
165 | const char *ev_name, | |
166 | const char *field_name) | |
167 | { | |
168 | define_value(field_type, ev_name, field_name, field->value, | |
169 | field->str); | |
170 | ||
171 | if (field->next) | |
172 | define_values(field_type, field->next, ev_name, field_name); | |
173 | } | |
174 | ||
175 | static void define_field(enum print_arg_type field_type, | |
176 | const char *ev_name, | |
177 | const char *field_name, | |
178 | const char *delim) | |
179 | { | |
180 | const char *handler_name = "define_flag_field"; | |
a5563edf | 181 | PyObject *t; |
7e4b21b8 TZ |
182 | unsigned n = 0; |
183 | ||
184 | if (field_type == PRINT_SYMBOL) | |
185 | handler_name = "define_symbolic_field"; | |
186 | ||
44ad9cd8 TZ |
187 | if (field_type == PRINT_FLAGS) |
188 | t = PyTuple_New(3); | |
189 | else | |
190 | t = PyTuple_New(2); | |
7e4b21b8 TZ |
191 | if (!t) |
192 | Py_FatalError("couldn't create Python tuple"); | |
193 | ||
194 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
195 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
196 | if (field_type == PRINT_FLAGS) | |
197 | PyTuple_SetItem(t, n++, PyString_FromString(delim)); | |
198 | ||
a5563edf | 199 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
200 | |
201 | Py_DECREF(t); | |
202 | } | |
203 | ||
aaf045f7 | 204 | static void define_event_symbols(struct event_format *event, |
7e4b21b8 TZ |
205 | const char *ev_name, |
206 | struct print_arg *args) | |
207 | { | |
8579aca3 TS |
208 | if (args == NULL) |
209 | return; | |
210 | ||
7e4b21b8 TZ |
211 | switch (args->type) { |
212 | case PRINT_NULL: | |
213 | break; | |
214 | case PRINT_ATOM: | |
215 | define_value(PRINT_FLAGS, ev_name, cur_field_name, "0", | |
216 | args->atom.atom); | |
217 | zero_flag_atom = 0; | |
218 | break; | |
219 | case PRINT_FIELD: | |
f5385650 | 220 | free(cur_field_name); |
7e4b21b8 TZ |
221 | cur_field_name = strdup(args->field.name); |
222 | break; | |
223 | case PRINT_FLAGS: | |
224 | define_event_symbols(event, ev_name, args->flags.field); | |
225 | define_field(PRINT_FLAGS, ev_name, cur_field_name, | |
226 | args->flags.delim); | |
227 | define_values(PRINT_FLAGS, args->flags.flags, ev_name, | |
228 | cur_field_name); | |
229 | break; | |
230 | case PRINT_SYMBOL: | |
231 | define_event_symbols(event, ev_name, args->symbol.field); | |
232 | define_field(PRINT_SYMBOL, ev_name, cur_field_name, NULL); | |
233 | define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name, | |
234 | cur_field_name); | |
235 | break; | |
e080e6f1 NK |
236 | case PRINT_HEX: |
237 | define_event_symbols(event, ev_name, args->hex.field); | |
238 | define_event_symbols(event, ev_name, args->hex.size); | |
239 | break; | |
b839e1e8 JM |
240 | case PRINT_INT_ARRAY: |
241 | define_event_symbols(event, ev_name, args->int_array.field); | |
242 | define_event_symbols(event, ev_name, args->int_array.count); | |
243 | define_event_symbols(event, ev_name, args->int_array.el_size); | |
244 | break; | |
7e4b21b8 TZ |
245 | case PRINT_STRING: |
246 | break; | |
247 | case PRINT_TYPE: | |
248 | define_event_symbols(event, ev_name, args->typecast.item); | |
249 | break; | |
250 | case PRINT_OP: | |
251 | if (strcmp(args->op.op, ":") == 0) | |
252 | zero_flag_atom = 1; | |
253 | define_event_symbols(event, ev_name, args->op.left); | |
254 | define_event_symbols(event, ev_name, args->op.right); | |
255 | break; | |
256 | default: | |
aaf045f7 SR |
257 | /* gcc warns for these? */ |
258 | case PRINT_BSTRING: | |
259 | case PRINT_DYNAMIC_ARRAY: | |
76055940 | 260 | case PRINT_DYNAMIC_ARRAY_LEN: |
aaf045f7 | 261 | case PRINT_FUNC: |
473a778a | 262 | case PRINT_BITMASK: |
7e4b21b8 TZ |
263 | /* we should warn... */ |
264 | return; | |
265 | } | |
266 | ||
267 | if (args->next) | |
268 | define_event_symbols(event, ev_name, args->next); | |
269 | } | |
270 | ||
33058b94 SAS |
271 | static PyObject *get_field_numeric_entry(struct event_format *event, |
272 | struct format_field *field, void *data) | |
273 | { | |
8ac631cd SAS |
274 | bool is_array = field->flags & FIELD_IS_ARRAY; |
275 | PyObject *obj, *list = NULL; | |
33058b94 | 276 | unsigned long long val; |
8ac631cd | 277 | unsigned int item_size, n_items, i; |
33058b94 | 278 | |
8ac631cd SAS |
279 | if (is_array) { |
280 | list = PyList_New(field->arraylen); | |
281 | item_size = field->size / field->arraylen; | |
282 | n_items = field->arraylen; | |
33058b94 | 283 | } else { |
8ac631cd SAS |
284 | item_size = field->size; |
285 | n_items = 1; | |
33058b94 | 286 | } |
8ac631cd SAS |
287 | |
288 | for (i = 0; i < n_items; i++) { | |
289 | ||
290 | val = read_size(event, data + field->offset + i * item_size, | |
291 | item_size); | |
292 | if (field->flags & FIELD_IS_SIGNED) { | |
293 | if ((long long)val >= LONG_MIN && | |
294 | (long long)val <= LONG_MAX) | |
295 | obj = PyInt_FromLong(val); | |
296 | else | |
297 | obj = PyLong_FromLongLong(val); | |
298 | } else { | |
299 | if (val <= LONG_MAX) | |
300 | obj = PyInt_FromLong(val); | |
301 | else | |
302 | obj = PyLong_FromUnsignedLongLong(val); | |
303 | } | |
304 | if (is_array) | |
305 | PyList_SET_ITEM(list, i, obj); | |
306 | } | |
307 | if (is_array) | |
308 | obj = list; | |
33058b94 SAS |
309 | return obj; |
310 | } | |
311 | ||
0f5f5bcd JS |
312 | |
313 | static PyObject *python_process_callchain(struct perf_sample *sample, | |
314 | struct perf_evsel *evsel, | |
315 | struct addr_location *al) | |
316 | { | |
317 | PyObject *pylist; | |
318 | ||
319 | pylist = PyList_New(0); | |
320 | if (!pylist) | |
321 | Py_FatalError("couldn't create Python list"); | |
322 | ||
323 | if (!symbol_conf.use_callchain || !sample->callchain) | |
324 | goto exit; | |
325 | ||
cc8b7c2b ACM |
326 | if (thread__resolve_callchain(al->thread, evsel, |
327 | sample, NULL, NULL, | |
44cbe729 | 328 | scripting_max_stack) != 0) { |
0f5f5bcd JS |
329 | pr_err("Failed to resolve callchain. Skipping\n"); |
330 | goto exit; | |
331 | } | |
332 | callchain_cursor_commit(&callchain_cursor); | |
333 | ||
334 | ||
335 | while (1) { | |
336 | PyObject *pyelem; | |
337 | struct callchain_cursor_node *node; | |
338 | node = callchain_cursor_current(&callchain_cursor); | |
339 | if (!node) | |
340 | break; | |
341 | ||
342 | pyelem = PyDict_New(); | |
343 | if (!pyelem) | |
344 | Py_FatalError("couldn't create Python dictionary"); | |
345 | ||
346 | ||
347 | pydict_set_item_string_decref(pyelem, "ip", | |
348 | PyLong_FromUnsignedLongLong(node->ip)); | |
349 | ||
350 | if (node->sym) { | |
351 | PyObject *pysym = PyDict_New(); | |
352 | if (!pysym) | |
353 | Py_FatalError("couldn't create Python dictionary"); | |
354 | pydict_set_item_string_decref(pysym, "start", | |
355 | PyLong_FromUnsignedLongLong(node->sym->start)); | |
356 | pydict_set_item_string_decref(pysym, "end", | |
357 | PyLong_FromUnsignedLongLong(node->sym->end)); | |
358 | pydict_set_item_string_decref(pysym, "binding", | |
359 | PyInt_FromLong(node->sym->binding)); | |
360 | pydict_set_item_string_decref(pysym, "name", | |
361 | PyString_FromStringAndSize(node->sym->name, | |
362 | node->sym->namelen)); | |
363 | pydict_set_item_string_decref(pyelem, "sym", pysym); | |
364 | } | |
365 | ||
366 | if (node->map) { | |
367 | struct map *map = node->map; | |
368 | const char *dsoname = "[unknown]"; | |
369 | if (map && map->dso && (map->dso->name || map->dso->long_name)) { | |
370 | if (symbol_conf.show_kernel_path && map->dso->long_name) | |
371 | dsoname = map->dso->long_name; | |
372 | else if (map->dso->name) | |
373 | dsoname = map->dso->name; | |
374 | } | |
375 | pydict_set_item_string_decref(pyelem, "dso", | |
376 | PyString_FromString(dsoname)); | |
377 | } | |
378 | ||
379 | callchain_cursor_advance(&callchain_cursor); | |
380 | PyList_Append(pylist, pyelem); | |
381 | Py_DECREF(pyelem); | |
382 | } | |
383 | ||
384 | exit: | |
385 | return pylist; | |
386 | } | |
387 | ||
388 | ||
b7fff6b5 ACM |
389 | static void python_process_tracepoint(struct perf_sample *sample, |
390 | struct perf_evsel *evsel, | |
b7fff6b5 | 391 | struct addr_location *al) |
7e4b21b8 | 392 | { |
adf5bcf3 | 393 | struct event_format *event = evsel->tp_format; |
a5563edf | 394 | PyObject *handler, *context, *t, *obj, *callchain; |
0f5f5bcd | 395 | PyObject *dict = NULL; |
7e4b21b8 TZ |
396 | static char handler_name[256]; |
397 | struct format_field *field; | |
7e4b21b8 | 398 | unsigned long s, ns; |
7e4b21b8 | 399 | unsigned n = 0; |
7e4b21b8 | 400 | int pid; |
be6d842a DA |
401 | int cpu = sample->cpu; |
402 | void *data = sample->raw_data; | |
403 | unsigned long long nsecs = sample->time; | |
f9d5d549 | 404 | const char *comm = thread__comm_str(al->thread); |
7e4b21b8 TZ |
405 | |
406 | t = PyTuple_New(MAX_FIELDS); | |
407 | if (!t) | |
408 | Py_FatalError("couldn't create Python tuple"); | |
409 | ||
7e4b21b8 | 410 | if (!event) |
fcf65bf1 | 411 | die("ug! no event found for type %d", (int)evsel->attr.config); |
7e4b21b8 | 412 | |
97822433 | 413 | pid = raw_field_value(event, "common_pid", data); |
7e4b21b8 TZ |
414 | |
415 | sprintf(handler_name, "%s__%s", event->system, event->name); | |
416 | ||
adf5bcf3 JO |
417 | if (!test_and_set_bit(event->id, events_defined)) |
418 | define_event_symbols(event, handler_name, event->print_fmt.args); | |
419 | ||
a5563edf | 420 | handler = get_handler(handler_name); |
c0251485 PT |
421 | if (!handler) { |
422 | dict = PyDict_New(); | |
423 | if (!dict) | |
424 | Py_FatalError("couldn't create Python dict"); | |
425 | } | |
7e4b21b8 TZ |
426 | s = nsecs / NSECS_PER_SEC; |
427 | ns = nsecs - s * NSECS_PER_SEC; | |
428 | ||
429 | scripting_context->event_data = data; | |
2de9533d | 430 | scripting_context->pevent = evsel->tp_format->pevent; |
7e4b21b8 TZ |
431 | |
432 | context = PyCObject_FromVoidPtr(scripting_context, NULL); | |
433 | ||
434 | PyTuple_SetItem(t, n++, PyString_FromString(handler_name)); | |
fb7d0b3c | 435 | PyTuple_SetItem(t, n++, context); |
7e4b21b8 | 436 | |
0f5f5bcd JS |
437 | /* ip unwinding */ |
438 | callchain = python_process_callchain(sample, evsel, al); | |
439 | ||
c0251485 PT |
440 | if (handler) { |
441 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
442 | PyTuple_SetItem(t, n++, PyInt_FromLong(s)); | |
443 | PyTuple_SetItem(t, n++, PyInt_FromLong(ns)); | |
444 | PyTuple_SetItem(t, n++, PyInt_FromLong(pid)); | |
445 | PyTuple_SetItem(t, n++, PyString_FromString(comm)); | |
0f5f5bcd | 446 | PyTuple_SetItem(t, n++, callchain); |
c0251485 | 447 | } else { |
c0268e8d JS |
448 | pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu)); |
449 | pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s)); | |
450 | pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns)); | |
451 | pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid)); | |
452 | pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm)); | |
0f5f5bcd | 453 | pydict_set_item_string_decref(dict, "common_callchain", callchain); |
c0251485 | 454 | } |
7e4b21b8 TZ |
455 | for (field = event->format.fields; field; field = field->next) { |
456 | if (field->flags & FIELD_IS_STRING) { | |
457 | int offset; | |
458 | if (field->flags & FIELD_IS_DYNAMIC) { | |
459 | offset = *(int *)(data + field->offset); | |
460 | offset &= 0xffff; | |
461 | } else | |
462 | offset = field->offset; | |
b1dcc03c | 463 | obj = PyString_FromString((char *)data + offset); |
7e4b21b8 | 464 | } else { /* FIELD_IS_NUMERIC */ |
33058b94 | 465 | obj = get_field_numeric_entry(event, field, data); |
7e4b21b8 | 466 | } |
c0251485 PT |
467 | if (handler) |
468 | PyTuple_SetItem(t, n++, obj); | |
469 | else | |
c0268e8d | 470 | pydict_set_item_string_decref(dict, field->name, obj); |
c0251485 | 471 | |
7e4b21b8 | 472 | } |
0f5f5bcd | 473 | |
c0251485 PT |
474 | if (!handler) |
475 | PyTuple_SetItem(t, n++, dict); | |
7e4b21b8 TZ |
476 | |
477 | if (_PyTuple_Resize(&t, n) == -1) | |
478 | Py_FatalError("error resizing Python tuple"); | |
479 | ||
c0251485 | 480 | if (handler) { |
a5563edf | 481 | call_object(handler, t, handler_name); |
7e4b21b8 | 482 | } else { |
a5563edf | 483 | try_call_object("trace_unhandled", t); |
c0251485 | 484 | Py_DECREF(dict); |
7e4b21b8 TZ |
485 | } |
486 | ||
487 | Py_DECREF(t); | |
488 | } | |
489 | ||
df919b40 AH |
490 | static PyObject *tuple_new(unsigned int sz) |
491 | { | |
492 | PyObject *t; | |
493 | ||
494 | t = PyTuple_New(sz); | |
495 | if (!t) | |
496 | Py_FatalError("couldn't create Python tuple"); | |
497 | return t; | |
498 | } | |
499 | ||
500 | static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) | |
501 | { | |
502 | #if BITS_PER_LONG == 64 | |
503 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
504 | #endif | |
505 | #if BITS_PER_LONG == 32 | |
506 | return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val)); | |
507 | #endif | |
508 | } | |
509 | ||
510 | static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) | |
511 | { | |
512 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
513 | } | |
514 | ||
515 | static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) | |
516 | { | |
517 | return PyTuple_SetItem(t, pos, PyString_FromString(s)); | |
518 | } | |
519 | ||
520 | static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel) | |
521 | { | |
522 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
523 | PyObject *t; | |
524 | ||
525 | t = tuple_new(2); | |
526 | ||
527 | tuple_set_u64(t, 0, evsel->db_id); | |
528 | tuple_set_string(t, 1, perf_evsel__name(evsel)); | |
529 | ||
530 | call_object(tables->evsel_handler, t, "evsel_table"); | |
531 | ||
532 | Py_DECREF(t); | |
533 | ||
534 | return 0; | |
535 | } | |
536 | ||
537 | static int python_export_machine(struct db_export *dbe, | |
538 | struct machine *machine) | |
539 | { | |
540 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
541 | PyObject *t; | |
542 | ||
543 | t = tuple_new(3); | |
544 | ||
545 | tuple_set_u64(t, 0, machine->db_id); | |
546 | tuple_set_s32(t, 1, machine->pid); | |
547 | tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : ""); | |
548 | ||
549 | call_object(tables->machine_handler, t, "machine_table"); | |
550 | ||
551 | Py_DECREF(t); | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
556 | static int python_export_thread(struct db_export *dbe, struct thread *thread, | |
557 | u64 main_thread_db_id, struct machine *machine) | |
558 | { | |
559 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
560 | PyObject *t; | |
561 | ||
562 | t = tuple_new(5); | |
563 | ||
564 | tuple_set_u64(t, 0, thread->db_id); | |
565 | tuple_set_u64(t, 1, machine->db_id); | |
566 | tuple_set_u64(t, 2, main_thread_db_id); | |
567 | tuple_set_s32(t, 3, thread->pid_); | |
568 | tuple_set_s32(t, 4, thread->tid); | |
569 | ||
570 | call_object(tables->thread_handler, t, "thread_table"); | |
571 | ||
572 | Py_DECREF(t); | |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
577 | static int python_export_comm(struct db_export *dbe, struct comm *comm) | |
578 | { | |
579 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
580 | PyObject *t; | |
581 | ||
582 | t = tuple_new(2); | |
583 | ||
584 | tuple_set_u64(t, 0, comm->db_id); | |
585 | tuple_set_string(t, 1, comm__str(comm)); | |
586 | ||
587 | call_object(tables->comm_handler, t, "comm_table"); | |
588 | ||
589 | Py_DECREF(t); | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
594 | static int python_export_comm_thread(struct db_export *dbe, u64 db_id, | |
595 | struct comm *comm, struct thread *thread) | |
596 | { | |
597 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
598 | PyObject *t; | |
599 | ||
600 | t = tuple_new(3); | |
601 | ||
602 | tuple_set_u64(t, 0, db_id); | |
603 | tuple_set_u64(t, 1, comm->db_id); | |
604 | tuple_set_u64(t, 2, thread->db_id); | |
605 | ||
606 | call_object(tables->comm_thread_handler, t, "comm_thread_table"); | |
607 | ||
608 | Py_DECREF(t); | |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
613 | static int python_export_dso(struct db_export *dbe, struct dso *dso, | |
614 | struct machine *machine) | |
615 | { | |
616 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
617 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
618 | PyObject *t; | |
619 | ||
620 | build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); | |
621 | ||
622 | t = tuple_new(5); | |
623 | ||
624 | tuple_set_u64(t, 0, dso->db_id); | |
625 | tuple_set_u64(t, 1, machine->db_id); | |
626 | tuple_set_string(t, 2, dso->short_name); | |
627 | tuple_set_string(t, 3, dso->long_name); | |
628 | tuple_set_string(t, 4, sbuild_id); | |
629 | ||
630 | call_object(tables->dso_handler, t, "dso_table"); | |
631 | ||
632 | Py_DECREF(t); | |
633 | ||
634 | return 0; | |
635 | } | |
636 | ||
637 | static int python_export_symbol(struct db_export *dbe, struct symbol *sym, | |
638 | struct dso *dso) | |
639 | { | |
640 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
641 | u64 *sym_db_id = symbol__priv(sym); | |
642 | PyObject *t; | |
643 | ||
644 | t = tuple_new(6); | |
645 | ||
646 | tuple_set_u64(t, 0, *sym_db_id); | |
647 | tuple_set_u64(t, 1, dso->db_id); | |
648 | tuple_set_u64(t, 2, sym->start); | |
649 | tuple_set_u64(t, 3, sym->end); | |
650 | tuple_set_s32(t, 4, sym->binding); | |
651 | tuple_set_string(t, 5, sym->name); | |
652 | ||
653 | call_object(tables->symbol_handler, t, "symbol_table"); | |
654 | ||
655 | Py_DECREF(t); | |
656 | ||
657 | return 0; | |
658 | } | |
659 | ||
c29414f5 AH |
660 | static int python_export_branch_type(struct db_export *dbe, u32 branch_type, |
661 | const char *name) | |
662 | { | |
663 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
664 | PyObject *t; | |
665 | ||
666 | t = tuple_new(2); | |
667 | ||
668 | tuple_set_s32(t, 0, branch_type); | |
669 | tuple_set_string(t, 1, name); | |
670 | ||
671 | call_object(tables->branch_type_handler, t, "branch_type_table"); | |
672 | ||
673 | Py_DECREF(t); | |
674 | ||
675 | return 0; | |
676 | } | |
677 | ||
df919b40 AH |
678 | static int python_export_sample(struct db_export *dbe, |
679 | struct export_sample *es) | |
680 | { | |
681 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
682 | PyObject *t; | |
683 | ||
c29414f5 | 684 | t = tuple_new(21); |
df919b40 AH |
685 | |
686 | tuple_set_u64(t, 0, es->db_id); | |
687 | tuple_set_u64(t, 1, es->evsel->db_id); | |
688 | tuple_set_u64(t, 2, es->al->machine->db_id); | |
b83e868d | 689 | tuple_set_u64(t, 3, es->al->thread->db_id); |
df919b40 AH |
690 | tuple_set_u64(t, 4, es->comm_db_id); |
691 | tuple_set_u64(t, 5, es->dso_db_id); | |
692 | tuple_set_u64(t, 6, es->sym_db_id); | |
693 | tuple_set_u64(t, 7, es->offset); | |
694 | tuple_set_u64(t, 8, es->sample->ip); | |
695 | tuple_set_u64(t, 9, es->sample->time); | |
696 | tuple_set_s32(t, 10, es->sample->cpu); | |
697 | tuple_set_u64(t, 11, es->addr_dso_db_id); | |
698 | tuple_set_u64(t, 12, es->addr_sym_db_id); | |
699 | tuple_set_u64(t, 13, es->addr_offset); | |
700 | tuple_set_u64(t, 14, es->sample->addr); | |
701 | tuple_set_u64(t, 15, es->sample->period); | |
702 | tuple_set_u64(t, 16, es->sample->weight); | |
703 | tuple_set_u64(t, 17, es->sample->transaction); | |
704 | tuple_set_u64(t, 18, es->sample->data_src); | |
c29414f5 AH |
705 | tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK); |
706 | tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX)); | |
df919b40 AH |
707 | |
708 | call_object(tables->sample_handler, t, "sample_table"); | |
709 | ||
710 | Py_DECREF(t); | |
711 | ||
712 | return 0; | |
713 | } | |
714 | ||
6a70307d AH |
715 | static int python_export_call_path(struct db_export *dbe, struct call_path *cp) |
716 | { | |
717 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
718 | PyObject *t; | |
719 | u64 parent_db_id, sym_db_id; | |
720 | ||
721 | parent_db_id = cp->parent ? cp->parent->db_id : 0; | |
722 | sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0; | |
723 | ||
724 | t = tuple_new(4); | |
725 | ||
726 | tuple_set_u64(t, 0, cp->db_id); | |
727 | tuple_set_u64(t, 1, parent_db_id); | |
728 | tuple_set_u64(t, 2, sym_db_id); | |
729 | tuple_set_u64(t, 3, cp->ip); | |
730 | ||
731 | call_object(tables->call_path_handler, t, "call_path_table"); | |
732 | ||
733 | Py_DECREF(t); | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
738 | static int python_export_call_return(struct db_export *dbe, | |
739 | struct call_return *cr) | |
740 | { | |
741 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
742 | u64 comm_db_id = cr->comm ? cr->comm->db_id : 0; | |
743 | PyObject *t; | |
744 | ||
745 | t = tuple_new(11); | |
746 | ||
747 | tuple_set_u64(t, 0, cr->db_id); | |
748 | tuple_set_u64(t, 1, cr->thread->db_id); | |
749 | tuple_set_u64(t, 2, comm_db_id); | |
750 | tuple_set_u64(t, 3, cr->cp->db_id); | |
751 | tuple_set_u64(t, 4, cr->call_time); | |
752 | tuple_set_u64(t, 5, cr->return_time); | |
753 | tuple_set_u64(t, 6, cr->branch_count); | |
754 | tuple_set_u64(t, 7, cr->call_ref); | |
755 | tuple_set_u64(t, 8, cr->return_ref); | |
756 | tuple_set_u64(t, 9, cr->cp->parent->db_id); | |
757 | tuple_set_s32(t, 10, cr->flags); | |
758 | ||
759 | call_object(tables->call_return_handler, t, "call_return_table"); | |
760 | ||
761 | Py_DECREF(t); | |
762 | ||
763 | return 0; | |
764 | } | |
765 | ||
766 | static int python_process_call_return(struct call_return *cr, void *data) | |
767 | { | |
768 | struct db_export *dbe = data; | |
769 | ||
770 | return db_export__call_return(dbe, cr); | |
771 | } | |
772 | ||
b7fff6b5 | 773 | static void python_process_general_event(struct perf_sample *sample, |
6a6daec2 | 774 | struct perf_evsel *evsel, |
87b6a3ad | 775 | struct addr_location *al) |
6a6daec2 | 776 | { |
a5563edf | 777 | PyObject *handler, *t, *dict, *callchain, *dict_sample; |
6a6daec2 FT |
778 | static char handler_name[64]; |
779 | unsigned n = 0; | |
6a6daec2 | 780 | |
fd6b858a FT |
781 | /* |
782 | * Use the MAX_FIELDS to make the function expandable, though | |
87b6a3ad | 783 | * currently there is only one item for the tuple. |
fd6b858a | 784 | */ |
6a6daec2 FT |
785 | t = PyTuple_New(MAX_FIELDS); |
786 | if (!t) | |
787 | Py_FatalError("couldn't create Python tuple"); | |
788 | ||
fd6b858a FT |
789 | dict = PyDict_New(); |
790 | if (!dict) | |
791 | Py_FatalError("couldn't create Python dictionary"); | |
792 | ||
57608cfd JS |
793 | dict_sample = PyDict_New(); |
794 | if (!dict_sample) | |
795 | Py_FatalError("couldn't create Python dictionary"); | |
796 | ||
6a6daec2 FT |
797 | snprintf(handler_name, sizeof(handler_name), "%s", "process_event"); |
798 | ||
a5563edf AH |
799 | handler = get_handler(handler_name); |
800 | if (!handler) | |
6a6daec2 | 801 | goto exit; |
6a6daec2 | 802 | |
c0268e8d JS |
803 | pydict_set_item_string_decref(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel))); |
804 | pydict_set_item_string_decref(dict, "attr", PyString_FromStringAndSize( | |
fd6b858a | 805 | (const char *)&evsel->attr, sizeof(evsel->attr))); |
57608cfd JS |
806 | |
807 | pydict_set_item_string_decref(dict_sample, "pid", | |
808 | PyInt_FromLong(sample->pid)); | |
809 | pydict_set_item_string_decref(dict_sample, "tid", | |
810 | PyInt_FromLong(sample->tid)); | |
811 | pydict_set_item_string_decref(dict_sample, "cpu", | |
812 | PyInt_FromLong(sample->cpu)); | |
813 | pydict_set_item_string_decref(dict_sample, "ip", | |
814 | PyLong_FromUnsignedLongLong(sample->ip)); | |
815 | pydict_set_item_string_decref(dict_sample, "time", | |
816 | PyLong_FromUnsignedLongLong(sample->time)); | |
817 | pydict_set_item_string_decref(dict_sample, "period", | |
818 | PyLong_FromUnsignedLongLong(sample->period)); | |
819 | pydict_set_item_string_decref(dict, "sample", dict_sample); | |
820 | ||
c0268e8d | 821 | pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize( |
fd6b858a | 822 | (const char *)sample->raw_data, sample->raw_size)); |
c0268e8d | 823 | pydict_set_item_string_decref(dict, "comm", |
f9d5d549 | 824 | PyString_FromString(thread__comm_str(al->thread))); |
fd6b858a | 825 | if (al->map) { |
c0268e8d | 826 | pydict_set_item_string_decref(dict, "dso", |
fd6b858a FT |
827 | PyString_FromString(al->map->dso->name)); |
828 | } | |
829 | if (al->sym) { | |
c0268e8d | 830 | pydict_set_item_string_decref(dict, "symbol", |
fd6b858a FT |
831 | PyString_FromString(al->sym->name)); |
832 | } | |
6a6daec2 | 833 | |
0f5f5bcd JS |
834 | /* ip unwinding */ |
835 | callchain = python_process_callchain(sample, evsel, al); | |
836 | pydict_set_item_string_decref(dict, "callchain", callchain); | |
837 | ||
fd6b858a | 838 | PyTuple_SetItem(t, n++, dict); |
6a6daec2 FT |
839 | if (_PyTuple_Resize(&t, n) == -1) |
840 | Py_FatalError("error resizing Python tuple"); | |
841 | ||
a5563edf | 842 | call_object(handler, t, handler_name); |
6a6daec2 | 843 | exit: |
fd6b858a | 844 | Py_DECREF(dict); |
6a6daec2 FT |
845 | Py_DECREF(t); |
846 | } | |
847 | ||
df919b40 | 848 | static void python_process_event(union perf_event *event, |
6a6daec2 FT |
849 | struct perf_sample *sample, |
850 | struct perf_evsel *evsel, | |
73994dc1 | 851 | struct addr_location *al) |
6a6daec2 | 852 | { |
df919b40 AH |
853 | struct tables *tables = &tables_global; |
854 | ||
6a6daec2 FT |
855 | switch (evsel->attr.type) { |
856 | case PERF_TYPE_TRACEPOINT: | |
f9d5d549 | 857 | python_process_tracepoint(sample, evsel, al); |
6a6daec2 FT |
858 | break; |
859 | /* Reserve for future process_hw/sw/raw APIs */ | |
860 | default: | |
df919b40 | 861 | if (tables->db_export_mode) |
7327259d | 862 | db_export__sample(&tables->dbe, event, sample, evsel, al); |
df919b40 | 863 | else |
f9d5d549 | 864 | python_process_general_event(sample, evsel, al); |
6a6daec2 FT |
865 | } |
866 | } | |
867 | ||
aef90263 JO |
868 | static void get_handler_name(char *str, size_t size, |
869 | struct perf_evsel *evsel) | |
870 | { | |
871 | char *p = str; | |
872 | ||
873 | scnprintf(str, size, "stat__%s", perf_evsel__name(evsel)); | |
874 | ||
875 | while ((p = strchr(p, ':'))) { | |
876 | *p = '_'; | |
877 | p++; | |
878 | } | |
879 | } | |
880 | ||
881 | static void | |
882 | process_stat(struct perf_evsel *counter, int cpu, int thread, u64 tstamp, | |
883 | struct perf_counts_values *count) | |
884 | { | |
885 | PyObject *handler, *t; | |
886 | static char handler_name[256]; | |
887 | int n = 0; | |
888 | ||
889 | t = PyTuple_New(MAX_FIELDS); | |
890 | if (!t) | |
891 | Py_FatalError("couldn't create Python tuple"); | |
892 | ||
893 | get_handler_name(handler_name, sizeof(handler_name), | |
894 | counter); | |
895 | ||
896 | handler = get_handler(handler_name); | |
897 | if (!handler) { | |
898 | pr_debug("can't find python handler %s\n", handler_name); | |
899 | return; | |
900 | } | |
901 | ||
902 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
903 | PyTuple_SetItem(t, n++, PyInt_FromLong(thread)); | |
904 | ||
905 | tuple_set_u64(t, n++, tstamp); | |
906 | tuple_set_u64(t, n++, count->val); | |
907 | tuple_set_u64(t, n++, count->ena); | |
908 | tuple_set_u64(t, n++, count->run); | |
909 | ||
910 | if (_PyTuple_Resize(&t, n) == -1) | |
911 | Py_FatalError("error resizing Python tuple"); | |
912 | ||
913 | call_object(handler, t, handler_name); | |
914 | ||
915 | Py_DECREF(t); | |
916 | } | |
917 | ||
918 | static void python_process_stat(struct perf_stat_config *config, | |
919 | struct perf_evsel *counter, u64 tstamp) | |
920 | { | |
921 | struct thread_map *threads = counter->threads; | |
922 | struct cpu_map *cpus = counter->cpus; | |
923 | int cpu, thread; | |
924 | ||
925 | if (config->aggr_mode == AGGR_GLOBAL) { | |
926 | process_stat(counter, -1, -1, tstamp, | |
927 | &counter->counts->aggr); | |
928 | return; | |
929 | } | |
930 | ||
931 | for (thread = 0; thread < threads->nr; thread++) { | |
932 | for (cpu = 0; cpu < cpus->nr; cpu++) { | |
933 | process_stat(counter, cpus->map[cpu], | |
934 | thread_map__pid(threads, thread), tstamp, | |
935 | perf_counts(counter->counts, cpu, thread)); | |
936 | } | |
937 | } | |
938 | } | |
939 | ||
940 | static void python_process_stat_interval(u64 tstamp) | |
941 | { | |
942 | PyObject *handler, *t; | |
943 | static const char handler_name[] = "stat__interval"; | |
944 | int n = 0; | |
945 | ||
946 | t = PyTuple_New(MAX_FIELDS); | |
947 | if (!t) | |
948 | Py_FatalError("couldn't create Python tuple"); | |
949 | ||
950 | handler = get_handler(handler_name); | |
951 | if (!handler) { | |
952 | pr_debug("can't find python handler %s\n", handler_name); | |
953 | return; | |
954 | } | |
955 | ||
956 | tuple_set_u64(t, n++, tstamp); | |
957 | ||
958 | if (_PyTuple_Resize(&t, n) == -1) | |
959 | Py_FatalError("error resizing Python tuple"); | |
960 | ||
961 | call_object(handler, t, handler_name); | |
962 | ||
963 | Py_DECREF(t); | |
964 | } | |
965 | ||
7e4b21b8 TZ |
966 | static int run_start_sub(void) |
967 | { | |
7e4b21b8 TZ |
968 | main_module = PyImport_AddModule("__main__"); |
969 | if (main_module == NULL) | |
970 | return -1; | |
971 | Py_INCREF(main_module); | |
972 | ||
973 | main_dict = PyModule_GetDict(main_module); | |
a5563edf | 974 | if (main_dict == NULL) |
7e4b21b8 | 975 | goto error; |
7e4b21b8 TZ |
976 | Py_INCREF(main_dict); |
977 | ||
a5563edf | 978 | try_call_object("trace_begin", NULL); |
7e4b21b8 | 979 | |
a5563edf | 980 | return 0; |
7e4b21b8 | 981 | |
7e4b21b8 TZ |
982 | error: |
983 | Py_XDECREF(main_dict); | |
984 | Py_XDECREF(main_module); | |
a5563edf | 985 | return -1; |
7e4b21b8 TZ |
986 | } |
987 | ||
df919b40 AH |
988 | #define SET_TABLE_HANDLER_(name, handler_name, table_name) do { \ |
989 | tables->handler_name = get_handler(#table_name); \ | |
990 | if (tables->handler_name) \ | |
991 | tables->dbe.export_ ## name = python_export_ ## name; \ | |
992 | } while (0) | |
993 | ||
994 | #define SET_TABLE_HANDLER(name) \ | |
995 | SET_TABLE_HANDLER_(name, name ## _handler, name ## _table) | |
996 | ||
997 | static void set_table_handlers(struct tables *tables) | |
998 | { | |
999 | const char *perf_db_export_mode = "perf_db_export_mode"; | |
6a70307d AH |
1000 | const char *perf_db_export_calls = "perf_db_export_calls"; |
1001 | PyObject *db_export_mode, *db_export_calls; | |
1002 | bool export_calls = false; | |
df919b40 AH |
1003 | int ret; |
1004 | ||
1005 | memset(tables, 0, sizeof(struct tables)); | |
1006 | if (db_export__init(&tables->dbe)) | |
1007 | Py_FatalError("failed to initialize export"); | |
1008 | ||
1009 | db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode); | |
1010 | if (!db_export_mode) | |
1011 | return; | |
1012 | ||
1013 | ret = PyObject_IsTrue(db_export_mode); | |
1014 | if (ret == -1) | |
1015 | handler_call_die(perf_db_export_mode); | |
1016 | if (!ret) | |
1017 | return; | |
1018 | ||
6a70307d AH |
1019 | tables->dbe.crp = NULL; |
1020 | db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls); | |
1021 | if (db_export_calls) { | |
1022 | ret = PyObject_IsTrue(db_export_calls); | |
1023 | if (ret == -1) | |
1024 | handler_call_die(perf_db_export_calls); | |
1025 | export_calls = !!ret; | |
1026 | } | |
1027 | ||
1028 | if (export_calls) { | |
1029 | tables->dbe.crp = | |
1030 | call_return_processor__new(python_process_call_return, | |
1031 | &tables->dbe); | |
1032 | if (!tables->dbe.crp) | |
1033 | Py_FatalError("failed to create calls processor"); | |
1034 | } | |
1035 | ||
df919b40 AH |
1036 | tables->db_export_mode = true; |
1037 | /* | |
1038 | * Reserve per symbol space for symbol->db_id via symbol__priv() | |
1039 | */ | |
1040 | symbol_conf.priv_size = sizeof(u64); | |
1041 | ||
1042 | SET_TABLE_HANDLER(evsel); | |
1043 | SET_TABLE_HANDLER(machine); | |
1044 | SET_TABLE_HANDLER(thread); | |
1045 | SET_TABLE_HANDLER(comm); | |
1046 | SET_TABLE_HANDLER(comm_thread); | |
1047 | SET_TABLE_HANDLER(dso); | |
1048 | SET_TABLE_HANDLER(symbol); | |
c29414f5 | 1049 | SET_TABLE_HANDLER(branch_type); |
df919b40 | 1050 | SET_TABLE_HANDLER(sample); |
6a70307d AH |
1051 | SET_TABLE_HANDLER(call_path); |
1052 | SET_TABLE_HANDLER(call_return); | |
df919b40 AH |
1053 | } |
1054 | ||
7e4b21b8 TZ |
1055 | /* |
1056 | * Start trace script | |
1057 | */ | |
1058 | static int python_start_script(const char *script, int argc, const char **argv) | |
1059 | { | |
df919b40 | 1060 | struct tables *tables = &tables_global; |
7e4b21b8 TZ |
1061 | const char **command_line; |
1062 | char buf[PATH_MAX]; | |
1063 | int i, err = 0; | |
1064 | FILE *fp; | |
1065 | ||
1066 | command_line = malloc((argc + 1) * sizeof(const char *)); | |
1067 | command_line[0] = script; | |
1068 | for (i = 1; i < argc + 1; i++) | |
1069 | command_line[i] = argv[i - 1]; | |
1070 | ||
1071 | Py_Initialize(); | |
1072 | ||
1073 | initperf_trace_context(); | |
1074 | ||
1075 | PySys_SetArgv(argc + 1, (char **)command_line); | |
1076 | ||
1077 | fp = fopen(script, "r"); | |
1078 | if (!fp) { | |
1079 | sprintf(buf, "Can't open python script \"%s\"", script); | |
1080 | perror(buf); | |
1081 | err = -1; | |
1082 | goto error; | |
1083 | } | |
1084 | ||
1085 | err = PyRun_SimpleFile(fp, script); | |
1086 | if (err) { | |
1087 | fprintf(stderr, "Error running python script %s\n", script); | |
1088 | goto error; | |
1089 | } | |
1090 | ||
1091 | err = run_start_sub(); | |
1092 | if (err) { | |
1093 | fprintf(stderr, "Error starting python script %s\n", script); | |
1094 | goto error; | |
1095 | } | |
1096 | ||
df919b40 AH |
1097 | set_table_handlers(tables); |
1098 | ||
c29414f5 AH |
1099 | if (tables->db_export_mode) { |
1100 | err = db_export__branch_types(&tables->dbe); | |
1101 | if (err) | |
1102 | goto error; | |
1103 | } | |
1104 | ||
979ac257 CIK |
1105 | free(command_line); |
1106 | ||
7e4b21b8 TZ |
1107 | return err; |
1108 | error: | |
1109 | Py_Finalize(); | |
1110 | free(command_line); | |
1111 | ||
1112 | return err; | |
1113 | } | |
1114 | ||
d445dd2a AH |
1115 | static int python_flush_script(void) |
1116 | { | |
758008b2 AH |
1117 | struct tables *tables = &tables_global; |
1118 | ||
1119 | return db_export__flush(&tables->dbe); | |
d445dd2a AH |
1120 | } |
1121 | ||
7e4b21b8 TZ |
1122 | /* |
1123 | * Stop trace script | |
1124 | */ | |
1125 | static int python_stop_script(void) | |
1126 | { | |
df919b40 AH |
1127 | struct tables *tables = &tables_global; |
1128 | ||
a5563edf | 1129 | try_call_object("trace_end", NULL); |
7e4b21b8 | 1130 | |
df919b40 AH |
1131 | db_export__exit(&tables->dbe); |
1132 | ||
7e4b21b8 TZ |
1133 | Py_XDECREF(main_dict); |
1134 | Py_XDECREF(main_module); | |
1135 | Py_Finalize(); | |
1136 | ||
a5563edf | 1137 | return 0; |
7e4b21b8 TZ |
1138 | } |
1139 | ||
da378962 | 1140 | static int python_generate_script(struct pevent *pevent, const char *outfile) |
7e4b21b8 | 1141 | { |
aaf045f7 | 1142 | struct event_format *event = NULL; |
7e4b21b8 TZ |
1143 | struct format_field *f; |
1144 | char fname[PATH_MAX]; | |
1145 | int not_first, count; | |
1146 | FILE *ofp; | |
1147 | ||
1148 | sprintf(fname, "%s.py", outfile); | |
1149 | ofp = fopen(fname, "w"); | |
1150 | if (ofp == NULL) { | |
1151 | fprintf(stderr, "couldn't open %s\n", fname); | |
1152 | return -1; | |
1153 | } | |
133dc4c3 IM |
1154 | fprintf(ofp, "# perf script event handlers, " |
1155 | "generated by perf script -g python\n"); | |
7e4b21b8 TZ |
1156 | |
1157 | fprintf(ofp, "# Licensed under the terms of the GNU GPL" | |
1158 | " License version 2\n\n"); | |
1159 | ||
1160 | fprintf(ofp, "# The common_* event handler fields are the most useful " | |
1161 | "fields common to\n"); | |
1162 | ||
1163 | fprintf(ofp, "# all events. They don't necessarily correspond to " | |
1164 | "the 'common_*' fields\n"); | |
1165 | ||
1166 | fprintf(ofp, "# in the format files. Those fields not available as " | |
1167 | "handler params can\n"); | |
1168 | ||
1169 | fprintf(ofp, "# be retrieved using Python functions of the form " | |
1170 | "common_*(context).\n"); | |
1171 | ||
1172 | fprintf(ofp, "# See the perf-trace-python Documentation for the list " | |
1173 | "of available functions.\n\n"); | |
1174 | ||
1175 | fprintf(ofp, "import os\n"); | |
1176 | fprintf(ofp, "import sys\n\n"); | |
1177 | ||
1178 | fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n"); | |
1179 | fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n"); | |
1180 | fprintf(ofp, "\nfrom perf_trace_context import *\n"); | |
1181 | fprintf(ofp, "from Core import *\n\n\n"); | |
1182 | ||
1183 | fprintf(ofp, "def trace_begin():\n"); | |
1184 | fprintf(ofp, "\tprint \"in trace_begin\"\n\n"); | |
1185 | ||
1186 | fprintf(ofp, "def trace_end():\n"); | |
1187 | fprintf(ofp, "\tprint \"in trace_end\"\n\n"); | |
1188 | ||
da378962 | 1189 | while ((event = trace_find_next_event(pevent, event))) { |
7e4b21b8 TZ |
1190 | fprintf(ofp, "def %s__%s(", event->system, event->name); |
1191 | fprintf(ofp, "event_name, "); | |
1192 | fprintf(ofp, "context, "); | |
1193 | fprintf(ofp, "common_cpu,\n"); | |
1194 | fprintf(ofp, "\tcommon_secs, "); | |
1195 | fprintf(ofp, "common_nsecs, "); | |
1196 | fprintf(ofp, "common_pid, "); | |
1197 | fprintf(ofp, "common_comm,\n\t"); | |
0f5f5bcd | 1198 | fprintf(ofp, "common_callchain, "); |
7e4b21b8 TZ |
1199 | |
1200 | not_first = 0; | |
1201 | count = 0; | |
1202 | ||
1203 | for (f = event->format.fields; f; f = f->next) { | |
1204 | if (not_first++) | |
1205 | fprintf(ofp, ", "); | |
1206 | if (++count % 5 == 0) | |
1207 | fprintf(ofp, "\n\t"); | |
1208 | ||
1209 | fprintf(ofp, "%s", f->name); | |
1210 | } | |
1211 | fprintf(ofp, "):\n"); | |
1212 | ||
1213 | fprintf(ofp, "\t\tprint_header(event_name, common_cpu, " | |
1214 | "common_secs, common_nsecs,\n\t\t\t" | |
1215 | "common_pid, common_comm)\n\n"); | |
1216 | ||
1217 | fprintf(ofp, "\t\tprint \""); | |
1218 | ||
1219 | not_first = 0; | |
1220 | count = 0; | |
1221 | ||
1222 | for (f = event->format.fields; f; f = f->next) { | |
1223 | if (not_first++) | |
1224 | fprintf(ofp, ", "); | |
1225 | if (count && count % 3 == 0) { | |
1226 | fprintf(ofp, "\" \\\n\t\t\""); | |
1227 | } | |
1228 | count++; | |
1229 | ||
1230 | fprintf(ofp, "%s=", f->name); | |
1231 | if (f->flags & FIELD_IS_STRING || | |
1232 | f->flags & FIELD_IS_FLAG || | |
e646fe73 | 1233 | f->flags & FIELD_IS_ARRAY || |
7e4b21b8 TZ |
1234 | f->flags & FIELD_IS_SYMBOLIC) |
1235 | fprintf(ofp, "%%s"); | |
1236 | else if (f->flags & FIELD_IS_SIGNED) | |
1237 | fprintf(ofp, "%%d"); | |
1238 | else | |
1239 | fprintf(ofp, "%%u"); | |
1240 | } | |
1241 | ||
0f5f5bcd | 1242 | fprintf(ofp, "\" %% \\\n\t\t("); |
7e4b21b8 TZ |
1243 | |
1244 | not_first = 0; | |
1245 | count = 0; | |
1246 | ||
1247 | for (f = event->format.fields; f; f = f->next) { | |
1248 | if (not_first++) | |
1249 | fprintf(ofp, ", "); | |
1250 | ||
1251 | if (++count % 5 == 0) | |
1252 | fprintf(ofp, "\n\t\t"); | |
1253 | ||
1254 | if (f->flags & FIELD_IS_FLAG) { | |
1255 | if ((count - 1) % 5 != 0) { | |
1256 | fprintf(ofp, "\n\t\t"); | |
1257 | count = 4; | |
1258 | } | |
1259 | fprintf(ofp, "flag_str(\""); | |
1260 | fprintf(ofp, "%s__%s\", ", event->system, | |
1261 | event->name); | |
1262 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1263 | f->name); | |
1264 | } else if (f->flags & FIELD_IS_SYMBOLIC) { | |
1265 | if ((count - 1) % 5 != 0) { | |
1266 | fprintf(ofp, "\n\t\t"); | |
1267 | count = 4; | |
1268 | } | |
1269 | fprintf(ofp, "symbol_str(\""); | |
1270 | fprintf(ofp, "%s__%s\", ", event->system, | |
1271 | event->name); | |
1272 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1273 | f->name); | |
1274 | } else | |
1275 | fprintf(ofp, "%s", f->name); | |
1276 | } | |
1277 | ||
0f5f5bcd JS |
1278 | fprintf(ofp, ")\n\n"); |
1279 | ||
1280 | fprintf(ofp, "\t\tfor node in common_callchain:"); | |
1281 | fprintf(ofp, "\n\t\t\tif 'sym' in node:"); | |
1282 | fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])"); | |
1283 | fprintf(ofp, "\n\t\t\telse:"); | |
1284 | fprintf(ofp, "\n\t\t\t\tprint \"\t[%%x]\" %% (node['ip'])\n\n"); | |
1285 | fprintf(ofp, "\t\tprint \"\\n\"\n\n"); | |
1286 | ||
7e4b21b8 TZ |
1287 | } |
1288 | ||
1289 | fprintf(ofp, "def trace_unhandled(event_name, context, " | |
c0251485 | 1290 | "event_fields_dict):\n"); |
7e4b21b8 | 1291 | |
c0251485 PT |
1292 | fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))" |
1293 | "for k,v in sorted(event_fields_dict.items())])\n\n"); | |
7e4b21b8 TZ |
1294 | |
1295 | fprintf(ofp, "def print_header(" | |
1296 | "event_name, cpu, secs, nsecs, pid, comm):\n" | |
1297 | "\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t" | |
1298 | "(event_name, cpu, secs, nsecs, pid, comm),\n"); | |
1299 | ||
1300 | fclose(ofp); | |
1301 | ||
1302 | fprintf(stderr, "generated Python script: %s\n", fname); | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | struct scripting_ops python_scripting_ops = { | |
aef90263 JO |
1308 | .name = "Python", |
1309 | .start_script = python_start_script, | |
1310 | .flush_script = python_flush_script, | |
1311 | .stop_script = python_stop_script, | |
1312 | .process_event = python_process_event, | |
1313 | .process_stat = python_process_stat, | |
1314 | .process_stat_interval = python_process_stat_interval, | |
1315 | .generate_script = python_generate_script, | |
7e4b21b8 | 1316 | }; |