Commit | Line | Data |
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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 | 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" |
451db126 | 44 | #include "../call-path.h" |
aef90263 JO |
45 | #include "thread_map.h" |
46 | #include "cpumap.h" | |
47 | #include "stat.h" | |
7e4b21b8 TZ |
48 | |
49 | PyMODINIT_FUNC initperf_trace_context(void); | |
50 | ||
609a7404 | 51 | #define TRACE_EVENT_TYPE_MAX \ |
7e4b21b8 TZ |
52 | ((1 << (sizeof(unsigned short) * 8)) - 1) |
53 | ||
609a7404 | 54 | static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX); |
7e4b21b8 TZ |
55 | |
56 | #define MAX_FIELDS 64 | |
57 | #define N_COMMON_FIELDS 7 | |
58 | ||
59 | extern struct scripting_context *scripting_context; | |
60 | ||
61 | static char *cur_field_name; | |
62 | static int zero_flag_atom; | |
63 | ||
64 | static PyObject *main_module, *main_dict; | |
65 | ||
df919b40 AH |
66 | struct tables { |
67 | struct db_export dbe; | |
68 | PyObject *evsel_handler; | |
69 | PyObject *machine_handler; | |
70 | PyObject *thread_handler; | |
71 | PyObject *comm_handler; | |
72 | PyObject *comm_thread_handler; | |
73 | PyObject *dso_handler; | |
74 | PyObject *symbol_handler; | |
c29414f5 | 75 | PyObject *branch_type_handler; |
df919b40 | 76 | PyObject *sample_handler; |
6a70307d AH |
77 | PyObject *call_path_handler; |
78 | PyObject *call_return_handler; | |
df919b40 AH |
79 | bool db_export_mode; |
80 | }; | |
81 | ||
82 | static struct tables tables_global; | |
83 | ||
05f832e3 | 84 | static void handler_call_die(const char *handler_name) NORETURN; |
7e4b21b8 TZ |
85 | static void handler_call_die(const char *handler_name) |
86 | { | |
87 | PyErr_Print(); | |
88 | Py_FatalError("problem in Python trace event handler"); | |
05f832e3 JS |
89 | // Py_FatalError does not return |
90 | // but we have to make the compiler happy | |
91 | abort(); | |
7e4b21b8 TZ |
92 | } |
93 | ||
c0268e8d JS |
94 | /* |
95 | * Insert val into into the dictionary and decrement the reference counter. | |
48000a1a | 96 | * This is necessary for dictionaries since PyDict_SetItemString() does not |
c0268e8d JS |
97 | * steal a reference, as opposed to PyTuple_SetItem(). |
98 | */ | |
99 | static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val) | |
100 | { | |
101 | PyDict_SetItemString(dict, key, val); | |
102 | Py_DECREF(val); | |
103 | } | |
104 | ||
a5563edf AH |
105 | static PyObject *get_handler(const char *handler_name) |
106 | { | |
107 | PyObject *handler; | |
108 | ||
109 | handler = PyDict_GetItemString(main_dict, handler_name); | |
110 | if (handler && !PyCallable_Check(handler)) | |
111 | return NULL; | |
112 | return handler; | |
113 | } | |
114 | ||
115 | static void call_object(PyObject *handler, PyObject *args, const char *die_msg) | |
116 | { | |
117 | PyObject *retval; | |
118 | ||
119 | retval = PyObject_CallObject(handler, args); | |
120 | if (retval == NULL) | |
121 | handler_call_die(die_msg); | |
122 | Py_DECREF(retval); | |
123 | } | |
124 | ||
125 | static void try_call_object(const char *handler_name, PyObject *args) | |
126 | { | |
127 | PyObject *handler; | |
128 | ||
129 | handler = get_handler(handler_name); | |
130 | if (handler) | |
131 | call_object(handler, args, handler_name); | |
132 | } | |
133 | ||
7e4b21b8 TZ |
134 | static void define_value(enum print_arg_type field_type, |
135 | const char *ev_name, | |
136 | const char *field_name, | |
137 | const char *field_value, | |
138 | const char *field_str) | |
139 | { | |
140 | const char *handler_name = "define_flag_value"; | |
a5563edf | 141 | PyObject *t; |
7e4b21b8 TZ |
142 | unsigned long long value; |
143 | unsigned n = 0; | |
144 | ||
145 | if (field_type == PRINT_SYMBOL) | |
146 | handler_name = "define_symbolic_value"; | |
147 | ||
44ad9cd8 | 148 | t = PyTuple_New(4); |
7e4b21b8 TZ |
149 | if (!t) |
150 | Py_FatalError("couldn't create Python tuple"); | |
151 | ||
152 | value = eval_flag(field_value); | |
153 | ||
154 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
155 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
156 | PyTuple_SetItem(t, n++, PyInt_FromLong(value)); | |
157 | PyTuple_SetItem(t, n++, PyString_FromString(field_str)); | |
158 | ||
a5563edf | 159 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
160 | |
161 | Py_DECREF(t); | |
162 | } | |
163 | ||
164 | static void define_values(enum print_arg_type field_type, | |
165 | struct print_flag_sym *field, | |
166 | const char *ev_name, | |
167 | const char *field_name) | |
168 | { | |
169 | define_value(field_type, ev_name, field_name, field->value, | |
170 | field->str); | |
171 | ||
172 | if (field->next) | |
173 | define_values(field_type, field->next, ev_name, field_name); | |
174 | } | |
175 | ||
176 | static void define_field(enum print_arg_type field_type, | |
177 | const char *ev_name, | |
178 | const char *field_name, | |
179 | const char *delim) | |
180 | { | |
181 | const char *handler_name = "define_flag_field"; | |
a5563edf | 182 | PyObject *t; |
7e4b21b8 TZ |
183 | unsigned n = 0; |
184 | ||
185 | if (field_type == PRINT_SYMBOL) | |
186 | handler_name = "define_symbolic_field"; | |
187 | ||
44ad9cd8 TZ |
188 | if (field_type == PRINT_FLAGS) |
189 | t = PyTuple_New(3); | |
190 | else | |
191 | t = PyTuple_New(2); | |
7e4b21b8 TZ |
192 | if (!t) |
193 | Py_FatalError("couldn't create Python tuple"); | |
194 | ||
195 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
196 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
197 | if (field_type == PRINT_FLAGS) | |
198 | PyTuple_SetItem(t, n++, PyString_FromString(delim)); | |
199 | ||
a5563edf | 200 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
201 | |
202 | Py_DECREF(t); | |
203 | } | |
204 | ||
aaf045f7 | 205 | static void define_event_symbols(struct event_format *event, |
7e4b21b8 TZ |
206 | const char *ev_name, |
207 | struct print_arg *args) | |
208 | { | |
8579aca3 TS |
209 | if (args == NULL) |
210 | return; | |
211 | ||
7e4b21b8 TZ |
212 | switch (args->type) { |
213 | case PRINT_NULL: | |
214 | break; | |
215 | case PRINT_ATOM: | |
216 | define_value(PRINT_FLAGS, ev_name, cur_field_name, "0", | |
217 | args->atom.atom); | |
218 | zero_flag_atom = 0; | |
219 | break; | |
220 | case PRINT_FIELD: | |
f5385650 | 221 | free(cur_field_name); |
7e4b21b8 TZ |
222 | cur_field_name = strdup(args->field.name); |
223 | break; | |
224 | case PRINT_FLAGS: | |
225 | define_event_symbols(event, ev_name, args->flags.field); | |
226 | define_field(PRINT_FLAGS, ev_name, cur_field_name, | |
227 | args->flags.delim); | |
228 | define_values(PRINT_FLAGS, args->flags.flags, ev_name, | |
229 | cur_field_name); | |
230 | break; | |
231 | case PRINT_SYMBOL: | |
232 | define_event_symbols(event, ev_name, args->symbol.field); | |
233 | define_field(PRINT_SYMBOL, ev_name, cur_field_name, NULL); | |
234 | define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name, | |
235 | cur_field_name); | |
236 | break; | |
e080e6f1 NK |
237 | case PRINT_HEX: |
238 | define_event_symbols(event, ev_name, args->hex.field); | |
239 | define_event_symbols(event, ev_name, args->hex.size); | |
240 | break; | |
b839e1e8 JM |
241 | case PRINT_INT_ARRAY: |
242 | define_event_symbols(event, ev_name, args->int_array.field); | |
243 | define_event_symbols(event, ev_name, args->int_array.count); | |
244 | define_event_symbols(event, ev_name, args->int_array.el_size); | |
245 | break; | |
7e4b21b8 TZ |
246 | case PRINT_STRING: |
247 | break; | |
248 | case PRINT_TYPE: | |
249 | define_event_symbols(event, ev_name, args->typecast.item); | |
250 | break; | |
251 | case PRINT_OP: | |
252 | if (strcmp(args->op.op, ":") == 0) | |
253 | zero_flag_atom = 1; | |
254 | define_event_symbols(event, ev_name, args->op.left); | |
255 | define_event_symbols(event, ev_name, args->op.right); | |
256 | break; | |
257 | default: | |
aaf045f7 SR |
258 | /* gcc warns for these? */ |
259 | case PRINT_BSTRING: | |
260 | case PRINT_DYNAMIC_ARRAY: | |
76055940 | 261 | case PRINT_DYNAMIC_ARRAY_LEN: |
aaf045f7 | 262 | case PRINT_FUNC: |
473a778a | 263 | case PRINT_BITMASK: |
7e4b21b8 TZ |
264 | /* we should warn... */ |
265 | return; | |
266 | } | |
267 | ||
268 | if (args->next) | |
269 | define_event_symbols(event, ev_name, args->next); | |
270 | } | |
271 | ||
33058b94 SAS |
272 | static PyObject *get_field_numeric_entry(struct event_format *event, |
273 | struct format_field *field, void *data) | |
274 | { | |
8ac631cd | 275 | bool is_array = field->flags & FIELD_IS_ARRAY; |
39f54862 | 276 | PyObject *obj = NULL, *list = NULL; |
33058b94 | 277 | unsigned long long val; |
8ac631cd | 278 | unsigned int item_size, n_items, i; |
33058b94 | 279 | |
8ac631cd SAS |
280 | if (is_array) { |
281 | list = PyList_New(field->arraylen); | |
282 | item_size = field->size / field->arraylen; | |
283 | n_items = field->arraylen; | |
33058b94 | 284 | } else { |
8ac631cd SAS |
285 | item_size = field->size; |
286 | n_items = 1; | |
33058b94 | 287 | } |
8ac631cd SAS |
288 | |
289 | for (i = 0; i < n_items; i++) { | |
290 | ||
291 | val = read_size(event, data + field->offset + i * item_size, | |
292 | item_size); | |
293 | if (field->flags & FIELD_IS_SIGNED) { | |
294 | if ((long long)val >= LONG_MIN && | |
295 | (long long)val <= LONG_MAX) | |
296 | obj = PyInt_FromLong(val); | |
297 | else | |
298 | obj = PyLong_FromLongLong(val); | |
299 | } else { | |
300 | if (val <= LONG_MAX) | |
301 | obj = PyInt_FromLong(val); | |
302 | else | |
303 | obj = PyLong_FromUnsignedLongLong(val); | |
304 | } | |
305 | if (is_array) | |
306 | PyList_SET_ITEM(list, i, obj); | |
307 | } | |
308 | if (is_array) | |
309 | obj = list; | |
33058b94 SAS |
310 | return obj; |
311 | } | |
312 | ||
0f5f5bcd JS |
313 | |
314 | static PyObject *python_process_callchain(struct perf_sample *sample, | |
315 | struct perf_evsel *evsel, | |
316 | struct addr_location *al) | |
317 | { | |
318 | PyObject *pylist; | |
319 | ||
320 | pylist = PyList_New(0); | |
321 | if (!pylist) | |
322 | Py_FatalError("couldn't create Python list"); | |
323 | ||
324 | if (!symbol_conf.use_callchain || !sample->callchain) | |
325 | goto exit; | |
326 | ||
91d7b2de | 327 | if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel, |
cc8b7c2b | 328 | sample, NULL, NULL, |
44cbe729 | 329 | scripting_max_stack) != 0) { |
0f5f5bcd JS |
330 | pr_err("Failed to resolve callchain. Skipping\n"); |
331 | goto exit; | |
332 | } | |
333 | callchain_cursor_commit(&callchain_cursor); | |
334 | ||
335 | ||
336 | while (1) { | |
337 | PyObject *pyelem; | |
338 | struct callchain_cursor_node *node; | |
339 | node = callchain_cursor_current(&callchain_cursor); | |
340 | if (!node) | |
341 | break; | |
342 | ||
343 | pyelem = PyDict_New(); | |
344 | if (!pyelem) | |
345 | Py_FatalError("couldn't create Python dictionary"); | |
346 | ||
347 | ||
348 | pydict_set_item_string_decref(pyelem, "ip", | |
349 | PyLong_FromUnsignedLongLong(node->ip)); | |
350 | ||
351 | if (node->sym) { | |
352 | PyObject *pysym = PyDict_New(); | |
353 | if (!pysym) | |
354 | Py_FatalError("couldn't create Python dictionary"); | |
355 | pydict_set_item_string_decref(pysym, "start", | |
356 | PyLong_FromUnsignedLongLong(node->sym->start)); | |
357 | pydict_set_item_string_decref(pysym, "end", | |
358 | PyLong_FromUnsignedLongLong(node->sym->end)); | |
359 | pydict_set_item_string_decref(pysym, "binding", | |
360 | PyInt_FromLong(node->sym->binding)); | |
361 | pydict_set_item_string_decref(pysym, "name", | |
362 | PyString_FromStringAndSize(node->sym->name, | |
363 | node->sym->namelen)); | |
364 | pydict_set_item_string_decref(pyelem, "sym", pysym); | |
365 | } | |
366 | ||
367 | if (node->map) { | |
368 | struct map *map = node->map; | |
369 | const char *dsoname = "[unknown]"; | |
370 | if (map && map->dso && (map->dso->name || map->dso->long_name)) { | |
371 | if (symbol_conf.show_kernel_path && map->dso->long_name) | |
372 | dsoname = map->dso->long_name; | |
373 | else if (map->dso->name) | |
374 | dsoname = map->dso->name; | |
375 | } | |
376 | pydict_set_item_string_decref(pyelem, "dso", | |
377 | PyString_FromString(dsoname)); | |
378 | } | |
379 | ||
380 | callchain_cursor_advance(&callchain_cursor); | |
381 | PyList_Append(pylist, pyelem); | |
382 | Py_DECREF(pyelem); | |
383 | } | |
384 | ||
385 | exit: | |
386 | return pylist; | |
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; |
39f54862 | 394 | PyObject *handler, *context, *t, *obj = NULL, *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 | ||
62665dff ACM |
410 | if (!event) { |
411 | snprintf(handler_name, sizeof(handler_name), | |
412 | "ug! no event found for type %" PRIu64, (u64)evsel->attr.config); | |
413 | Py_FatalError(handler_name); | |
414 | } | |
7e4b21b8 | 415 | |
97822433 | 416 | pid = raw_field_value(event, "common_pid", data); |
7e4b21b8 TZ |
417 | |
418 | sprintf(handler_name, "%s__%s", event->system, event->name); | |
419 | ||
adf5bcf3 JO |
420 | if (!test_and_set_bit(event->id, events_defined)) |
421 | define_event_symbols(event, handler_name, event->print_fmt.args); | |
422 | ||
a5563edf | 423 | handler = get_handler(handler_name); |
c0251485 PT |
424 | if (!handler) { |
425 | dict = PyDict_New(); | |
426 | if (!dict) | |
427 | Py_FatalError("couldn't create Python dict"); | |
428 | } | |
7e4b21b8 TZ |
429 | s = nsecs / NSECS_PER_SEC; |
430 | ns = nsecs - s * NSECS_PER_SEC; | |
431 | ||
432 | scripting_context->event_data = data; | |
2de9533d | 433 | scripting_context->pevent = evsel->tp_format->pevent; |
7e4b21b8 TZ |
434 | |
435 | context = PyCObject_FromVoidPtr(scripting_context, NULL); | |
436 | ||
437 | PyTuple_SetItem(t, n++, PyString_FromString(handler_name)); | |
fb7d0b3c | 438 | PyTuple_SetItem(t, n++, context); |
7e4b21b8 | 439 | |
0f5f5bcd JS |
440 | /* ip unwinding */ |
441 | callchain = python_process_callchain(sample, evsel, al); | |
442 | ||
c0251485 PT |
443 | if (handler) { |
444 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
445 | PyTuple_SetItem(t, n++, PyInt_FromLong(s)); | |
446 | PyTuple_SetItem(t, n++, PyInt_FromLong(ns)); | |
447 | PyTuple_SetItem(t, n++, PyInt_FromLong(pid)); | |
448 | PyTuple_SetItem(t, n++, PyString_FromString(comm)); | |
0f5f5bcd | 449 | PyTuple_SetItem(t, n++, callchain); |
c0251485 | 450 | } else { |
c0268e8d JS |
451 | pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu)); |
452 | pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s)); | |
453 | pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns)); | |
454 | pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid)); | |
455 | pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm)); | |
0f5f5bcd | 456 | pydict_set_item_string_decref(dict, "common_callchain", callchain); |
c0251485 | 457 | } |
7e4b21b8 | 458 | for (field = event->format.fields; field; field = field->next) { |
249de6e0 JO |
459 | unsigned int offset, len; |
460 | unsigned long long val; | |
461 | ||
462 | if (field->flags & FIELD_IS_ARRAY) { | |
463 | offset = field->offset; | |
464 | len = field->size; | |
7e4b21b8 | 465 | if (field->flags & FIELD_IS_DYNAMIC) { |
249de6e0 JO |
466 | val = pevent_read_number(scripting_context->pevent, |
467 | data + offset, len); | |
468 | offset = val; | |
469 | len = offset >> 16; | |
7e4b21b8 | 470 | offset &= 0xffff; |
249de6e0 JO |
471 | } |
472 | if (field->flags & FIELD_IS_STRING && | |
473 | is_printable_array(data + offset, len)) { | |
474 | obj = PyString_FromString((char *) data + offset); | |
475 | } else { | |
476 | obj = PyByteArray_FromStringAndSize((const char *) data + offset, len); | |
477 | field->flags &= ~FIELD_IS_STRING; | |
478 | } | |
7e4b21b8 | 479 | } else { /* FIELD_IS_NUMERIC */ |
33058b94 | 480 | obj = get_field_numeric_entry(event, field, data); |
7e4b21b8 | 481 | } |
c0251485 PT |
482 | if (handler) |
483 | PyTuple_SetItem(t, n++, obj); | |
484 | else | |
c0268e8d | 485 | pydict_set_item_string_decref(dict, field->name, obj); |
c0251485 | 486 | |
7e4b21b8 | 487 | } |
0f5f5bcd | 488 | |
c0251485 PT |
489 | if (!handler) |
490 | PyTuple_SetItem(t, n++, dict); | |
7e4b21b8 TZ |
491 | |
492 | if (_PyTuple_Resize(&t, n) == -1) | |
493 | Py_FatalError("error resizing Python tuple"); | |
494 | ||
c0251485 | 495 | if (handler) { |
a5563edf | 496 | call_object(handler, t, handler_name); |
7e4b21b8 | 497 | } else { |
a5563edf | 498 | try_call_object("trace_unhandled", t); |
c0251485 | 499 | Py_DECREF(dict); |
7e4b21b8 TZ |
500 | } |
501 | ||
502 | Py_DECREF(t); | |
503 | } | |
504 | ||
df919b40 AH |
505 | static PyObject *tuple_new(unsigned int sz) |
506 | { | |
507 | PyObject *t; | |
508 | ||
509 | t = PyTuple_New(sz); | |
510 | if (!t) | |
511 | Py_FatalError("couldn't create Python tuple"); | |
512 | return t; | |
513 | } | |
514 | ||
515 | static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) | |
516 | { | |
517 | #if BITS_PER_LONG == 64 | |
518 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
519 | #endif | |
520 | #if BITS_PER_LONG == 32 | |
521 | return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val)); | |
522 | #endif | |
523 | } | |
524 | ||
525 | static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) | |
526 | { | |
527 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
528 | } | |
529 | ||
530 | static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) | |
531 | { | |
532 | return PyTuple_SetItem(t, pos, PyString_FromString(s)); | |
533 | } | |
534 | ||
535 | static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel) | |
536 | { | |
537 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
538 | PyObject *t; | |
539 | ||
540 | t = tuple_new(2); | |
541 | ||
542 | tuple_set_u64(t, 0, evsel->db_id); | |
543 | tuple_set_string(t, 1, perf_evsel__name(evsel)); | |
544 | ||
545 | call_object(tables->evsel_handler, t, "evsel_table"); | |
546 | ||
547 | Py_DECREF(t); | |
548 | ||
549 | return 0; | |
550 | } | |
551 | ||
552 | static int python_export_machine(struct db_export *dbe, | |
553 | struct machine *machine) | |
554 | { | |
555 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
556 | PyObject *t; | |
557 | ||
558 | t = tuple_new(3); | |
559 | ||
560 | tuple_set_u64(t, 0, machine->db_id); | |
561 | tuple_set_s32(t, 1, machine->pid); | |
562 | tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : ""); | |
563 | ||
564 | call_object(tables->machine_handler, t, "machine_table"); | |
565 | ||
566 | Py_DECREF(t); | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
571 | static int python_export_thread(struct db_export *dbe, struct thread *thread, | |
572 | u64 main_thread_db_id, struct machine *machine) | |
573 | { | |
574 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
575 | PyObject *t; | |
576 | ||
577 | t = tuple_new(5); | |
578 | ||
579 | tuple_set_u64(t, 0, thread->db_id); | |
580 | tuple_set_u64(t, 1, machine->db_id); | |
581 | tuple_set_u64(t, 2, main_thread_db_id); | |
582 | tuple_set_s32(t, 3, thread->pid_); | |
583 | tuple_set_s32(t, 4, thread->tid); | |
584 | ||
585 | call_object(tables->thread_handler, t, "thread_table"); | |
586 | ||
587 | Py_DECREF(t); | |
588 | ||
589 | return 0; | |
590 | } | |
591 | ||
592 | static int python_export_comm(struct db_export *dbe, struct comm *comm) | |
593 | { | |
594 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
595 | PyObject *t; | |
596 | ||
597 | t = tuple_new(2); | |
598 | ||
599 | tuple_set_u64(t, 0, comm->db_id); | |
600 | tuple_set_string(t, 1, comm__str(comm)); | |
601 | ||
602 | call_object(tables->comm_handler, t, "comm_table"); | |
603 | ||
604 | Py_DECREF(t); | |
605 | ||
606 | return 0; | |
607 | } | |
608 | ||
609 | static int python_export_comm_thread(struct db_export *dbe, u64 db_id, | |
610 | struct comm *comm, struct thread *thread) | |
611 | { | |
612 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
613 | PyObject *t; | |
614 | ||
615 | t = tuple_new(3); | |
616 | ||
617 | tuple_set_u64(t, 0, db_id); | |
618 | tuple_set_u64(t, 1, comm->db_id); | |
619 | tuple_set_u64(t, 2, thread->db_id); | |
620 | ||
621 | call_object(tables->comm_thread_handler, t, "comm_thread_table"); | |
622 | ||
623 | Py_DECREF(t); | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | static int python_export_dso(struct db_export *dbe, struct dso *dso, | |
629 | struct machine *machine) | |
630 | { | |
631 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
b5d8bbe8 | 632 | char sbuild_id[SBUILD_ID_SIZE]; |
df919b40 AH |
633 | PyObject *t; |
634 | ||
635 | build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); | |
636 | ||
637 | t = tuple_new(5); | |
638 | ||
639 | tuple_set_u64(t, 0, dso->db_id); | |
640 | tuple_set_u64(t, 1, machine->db_id); | |
641 | tuple_set_string(t, 2, dso->short_name); | |
642 | tuple_set_string(t, 3, dso->long_name); | |
643 | tuple_set_string(t, 4, sbuild_id); | |
644 | ||
645 | call_object(tables->dso_handler, t, "dso_table"); | |
646 | ||
647 | Py_DECREF(t); | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
652 | static int python_export_symbol(struct db_export *dbe, struct symbol *sym, | |
653 | struct dso *dso) | |
654 | { | |
655 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
656 | u64 *sym_db_id = symbol__priv(sym); | |
657 | PyObject *t; | |
658 | ||
659 | t = tuple_new(6); | |
660 | ||
661 | tuple_set_u64(t, 0, *sym_db_id); | |
662 | tuple_set_u64(t, 1, dso->db_id); | |
663 | tuple_set_u64(t, 2, sym->start); | |
664 | tuple_set_u64(t, 3, sym->end); | |
665 | tuple_set_s32(t, 4, sym->binding); | |
666 | tuple_set_string(t, 5, sym->name); | |
667 | ||
668 | call_object(tables->symbol_handler, t, "symbol_table"); | |
669 | ||
670 | Py_DECREF(t); | |
671 | ||
672 | return 0; | |
673 | } | |
674 | ||
c29414f5 AH |
675 | static int python_export_branch_type(struct db_export *dbe, u32 branch_type, |
676 | const char *name) | |
677 | { | |
678 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
679 | PyObject *t; | |
680 | ||
681 | t = tuple_new(2); | |
682 | ||
683 | tuple_set_s32(t, 0, branch_type); | |
684 | tuple_set_string(t, 1, name); | |
685 | ||
686 | call_object(tables->branch_type_handler, t, "branch_type_table"); | |
687 | ||
688 | Py_DECREF(t); | |
689 | ||
690 | return 0; | |
691 | } | |
692 | ||
df919b40 AH |
693 | static int python_export_sample(struct db_export *dbe, |
694 | struct export_sample *es) | |
695 | { | |
696 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
697 | PyObject *t; | |
698 | ||
2c15f5eb | 699 | t = tuple_new(22); |
df919b40 AH |
700 | |
701 | tuple_set_u64(t, 0, es->db_id); | |
702 | tuple_set_u64(t, 1, es->evsel->db_id); | |
703 | tuple_set_u64(t, 2, es->al->machine->db_id); | |
b83e868d | 704 | tuple_set_u64(t, 3, es->al->thread->db_id); |
df919b40 AH |
705 | tuple_set_u64(t, 4, es->comm_db_id); |
706 | tuple_set_u64(t, 5, es->dso_db_id); | |
707 | tuple_set_u64(t, 6, es->sym_db_id); | |
708 | tuple_set_u64(t, 7, es->offset); | |
709 | tuple_set_u64(t, 8, es->sample->ip); | |
710 | tuple_set_u64(t, 9, es->sample->time); | |
711 | tuple_set_s32(t, 10, es->sample->cpu); | |
712 | tuple_set_u64(t, 11, es->addr_dso_db_id); | |
713 | tuple_set_u64(t, 12, es->addr_sym_db_id); | |
714 | tuple_set_u64(t, 13, es->addr_offset); | |
715 | tuple_set_u64(t, 14, es->sample->addr); | |
716 | tuple_set_u64(t, 15, es->sample->period); | |
717 | tuple_set_u64(t, 16, es->sample->weight); | |
718 | tuple_set_u64(t, 17, es->sample->transaction); | |
719 | tuple_set_u64(t, 18, es->sample->data_src); | |
c29414f5 AH |
720 | tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK); |
721 | tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX)); | |
2c15f5eb | 722 | tuple_set_u64(t, 21, es->call_path_id); |
df919b40 AH |
723 | |
724 | call_object(tables->sample_handler, t, "sample_table"); | |
725 | ||
726 | Py_DECREF(t); | |
727 | ||
728 | return 0; | |
729 | } | |
730 | ||
6a70307d AH |
731 | static int python_export_call_path(struct db_export *dbe, struct call_path *cp) |
732 | { | |
733 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
734 | PyObject *t; | |
735 | u64 parent_db_id, sym_db_id; | |
736 | ||
737 | parent_db_id = cp->parent ? cp->parent->db_id : 0; | |
738 | sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0; | |
739 | ||
740 | t = tuple_new(4); | |
741 | ||
742 | tuple_set_u64(t, 0, cp->db_id); | |
743 | tuple_set_u64(t, 1, parent_db_id); | |
744 | tuple_set_u64(t, 2, sym_db_id); | |
745 | tuple_set_u64(t, 3, cp->ip); | |
746 | ||
747 | call_object(tables->call_path_handler, t, "call_path_table"); | |
748 | ||
749 | Py_DECREF(t); | |
750 | ||
751 | return 0; | |
752 | } | |
753 | ||
754 | static int python_export_call_return(struct db_export *dbe, | |
755 | struct call_return *cr) | |
756 | { | |
757 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
758 | u64 comm_db_id = cr->comm ? cr->comm->db_id : 0; | |
759 | PyObject *t; | |
760 | ||
761 | t = tuple_new(11); | |
762 | ||
763 | tuple_set_u64(t, 0, cr->db_id); | |
764 | tuple_set_u64(t, 1, cr->thread->db_id); | |
765 | tuple_set_u64(t, 2, comm_db_id); | |
766 | tuple_set_u64(t, 3, cr->cp->db_id); | |
767 | tuple_set_u64(t, 4, cr->call_time); | |
768 | tuple_set_u64(t, 5, cr->return_time); | |
769 | tuple_set_u64(t, 6, cr->branch_count); | |
770 | tuple_set_u64(t, 7, cr->call_ref); | |
771 | tuple_set_u64(t, 8, cr->return_ref); | |
772 | tuple_set_u64(t, 9, cr->cp->parent->db_id); | |
773 | tuple_set_s32(t, 10, cr->flags); | |
774 | ||
775 | call_object(tables->call_return_handler, t, "call_return_table"); | |
776 | ||
777 | Py_DECREF(t); | |
778 | ||
779 | return 0; | |
780 | } | |
781 | ||
782 | static int python_process_call_return(struct call_return *cr, void *data) | |
783 | { | |
784 | struct db_export *dbe = data; | |
785 | ||
786 | return db_export__call_return(dbe, cr); | |
787 | } | |
788 | ||
b7fff6b5 | 789 | static void python_process_general_event(struct perf_sample *sample, |
6a6daec2 | 790 | struct perf_evsel *evsel, |
87b6a3ad | 791 | struct addr_location *al) |
6a6daec2 | 792 | { |
a5563edf | 793 | PyObject *handler, *t, *dict, *callchain, *dict_sample; |
6a6daec2 FT |
794 | static char handler_name[64]; |
795 | unsigned n = 0; | |
6a6daec2 | 796 | |
fd6b858a FT |
797 | /* |
798 | * Use the MAX_FIELDS to make the function expandable, though | |
87b6a3ad | 799 | * currently there is only one item for the tuple. |
fd6b858a | 800 | */ |
6a6daec2 FT |
801 | t = PyTuple_New(MAX_FIELDS); |
802 | if (!t) | |
803 | Py_FatalError("couldn't create Python tuple"); | |
804 | ||
fd6b858a FT |
805 | dict = PyDict_New(); |
806 | if (!dict) | |
807 | Py_FatalError("couldn't create Python dictionary"); | |
808 | ||
57608cfd JS |
809 | dict_sample = PyDict_New(); |
810 | if (!dict_sample) | |
811 | Py_FatalError("couldn't create Python dictionary"); | |
812 | ||
6a6daec2 FT |
813 | snprintf(handler_name, sizeof(handler_name), "%s", "process_event"); |
814 | ||
a5563edf AH |
815 | handler = get_handler(handler_name); |
816 | if (!handler) | |
6a6daec2 | 817 | goto exit; |
6a6daec2 | 818 | |
c0268e8d JS |
819 | pydict_set_item_string_decref(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel))); |
820 | pydict_set_item_string_decref(dict, "attr", PyString_FromStringAndSize( | |
fd6b858a | 821 | (const char *)&evsel->attr, sizeof(evsel->attr))); |
57608cfd JS |
822 | |
823 | pydict_set_item_string_decref(dict_sample, "pid", | |
824 | PyInt_FromLong(sample->pid)); | |
825 | pydict_set_item_string_decref(dict_sample, "tid", | |
826 | PyInt_FromLong(sample->tid)); | |
827 | pydict_set_item_string_decref(dict_sample, "cpu", | |
828 | PyInt_FromLong(sample->cpu)); | |
829 | pydict_set_item_string_decref(dict_sample, "ip", | |
830 | PyLong_FromUnsignedLongLong(sample->ip)); | |
831 | pydict_set_item_string_decref(dict_sample, "time", | |
832 | PyLong_FromUnsignedLongLong(sample->time)); | |
833 | pydict_set_item_string_decref(dict_sample, "period", | |
834 | PyLong_FromUnsignedLongLong(sample->period)); | |
835 | pydict_set_item_string_decref(dict, "sample", dict_sample); | |
836 | ||
c0268e8d | 837 | pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize( |
fd6b858a | 838 | (const char *)sample->raw_data, sample->raw_size)); |
c0268e8d | 839 | pydict_set_item_string_decref(dict, "comm", |
f9d5d549 | 840 | PyString_FromString(thread__comm_str(al->thread))); |
fd6b858a | 841 | if (al->map) { |
c0268e8d | 842 | pydict_set_item_string_decref(dict, "dso", |
fd6b858a FT |
843 | PyString_FromString(al->map->dso->name)); |
844 | } | |
845 | if (al->sym) { | |
c0268e8d | 846 | pydict_set_item_string_decref(dict, "symbol", |
fd6b858a FT |
847 | PyString_FromString(al->sym->name)); |
848 | } | |
6a6daec2 | 849 | |
0f5f5bcd JS |
850 | /* ip unwinding */ |
851 | callchain = python_process_callchain(sample, evsel, al); | |
852 | pydict_set_item_string_decref(dict, "callchain", callchain); | |
853 | ||
fd6b858a | 854 | PyTuple_SetItem(t, n++, dict); |
6a6daec2 FT |
855 | if (_PyTuple_Resize(&t, n) == -1) |
856 | Py_FatalError("error resizing Python tuple"); | |
857 | ||
a5563edf | 858 | call_object(handler, t, handler_name); |
6a6daec2 | 859 | exit: |
fd6b858a | 860 | Py_DECREF(dict); |
6a6daec2 FT |
861 | Py_DECREF(t); |
862 | } | |
863 | ||
df919b40 | 864 | static void python_process_event(union perf_event *event, |
6a6daec2 FT |
865 | struct perf_sample *sample, |
866 | struct perf_evsel *evsel, | |
73994dc1 | 867 | struct addr_location *al) |
6a6daec2 | 868 | { |
df919b40 AH |
869 | struct tables *tables = &tables_global; |
870 | ||
6a6daec2 FT |
871 | switch (evsel->attr.type) { |
872 | case PERF_TYPE_TRACEPOINT: | |
f9d5d549 | 873 | python_process_tracepoint(sample, evsel, al); |
6a6daec2 FT |
874 | break; |
875 | /* Reserve for future process_hw/sw/raw APIs */ | |
876 | default: | |
df919b40 | 877 | if (tables->db_export_mode) |
7327259d | 878 | db_export__sample(&tables->dbe, event, sample, evsel, al); |
df919b40 | 879 | else |
f9d5d549 | 880 | python_process_general_event(sample, evsel, al); |
6a6daec2 FT |
881 | } |
882 | } | |
883 | ||
aef90263 JO |
884 | static void get_handler_name(char *str, size_t size, |
885 | struct perf_evsel *evsel) | |
886 | { | |
887 | char *p = str; | |
888 | ||
889 | scnprintf(str, size, "stat__%s", perf_evsel__name(evsel)); | |
890 | ||
891 | while ((p = strchr(p, ':'))) { | |
892 | *p = '_'; | |
893 | p++; | |
894 | } | |
895 | } | |
896 | ||
897 | static void | |
898 | process_stat(struct perf_evsel *counter, int cpu, int thread, u64 tstamp, | |
899 | struct perf_counts_values *count) | |
900 | { | |
901 | PyObject *handler, *t; | |
902 | static char handler_name[256]; | |
903 | int n = 0; | |
904 | ||
905 | t = PyTuple_New(MAX_FIELDS); | |
906 | if (!t) | |
907 | Py_FatalError("couldn't create Python tuple"); | |
908 | ||
909 | get_handler_name(handler_name, sizeof(handler_name), | |
910 | counter); | |
911 | ||
912 | handler = get_handler(handler_name); | |
913 | if (!handler) { | |
914 | pr_debug("can't find python handler %s\n", handler_name); | |
915 | return; | |
916 | } | |
917 | ||
918 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
919 | PyTuple_SetItem(t, n++, PyInt_FromLong(thread)); | |
920 | ||
921 | tuple_set_u64(t, n++, tstamp); | |
922 | tuple_set_u64(t, n++, count->val); | |
923 | tuple_set_u64(t, n++, count->ena); | |
924 | tuple_set_u64(t, n++, count->run); | |
925 | ||
926 | if (_PyTuple_Resize(&t, n) == -1) | |
927 | Py_FatalError("error resizing Python tuple"); | |
928 | ||
929 | call_object(handler, t, handler_name); | |
930 | ||
931 | Py_DECREF(t); | |
932 | } | |
933 | ||
934 | static void python_process_stat(struct perf_stat_config *config, | |
935 | struct perf_evsel *counter, u64 tstamp) | |
936 | { | |
937 | struct thread_map *threads = counter->threads; | |
938 | struct cpu_map *cpus = counter->cpus; | |
939 | int cpu, thread; | |
940 | ||
941 | if (config->aggr_mode == AGGR_GLOBAL) { | |
942 | process_stat(counter, -1, -1, tstamp, | |
943 | &counter->counts->aggr); | |
944 | return; | |
945 | } | |
946 | ||
947 | for (thread = 0; thread < threads->nr; thread++) { | |
948 | for (cpu = 0; cpu < cpus->nr; cpu++) { | |
949 | process_stat(counter, cpus->map[cpu], | |
950 | thread_map__pid(threads, thread), tstamp, | |
951 | perf_counts(counter->counts, cpu, thread)); | |
952 | } | |
953 | } | |
954 | } | |
955 | ||
956 | static void python_process_stat_interval(u64 tstamp) | |
957 | { | |
958 | PyObject *handler, *t; | |
959 | static const char handler_name[] = "stat__interval"; | |
960 | int n = 0; | |
961 | ||
962 | t = PyTuple_New(MAX_FIELDS); | |
963 | if (!t) | |
964 | Py_FatalError("couldn't create Python tuple"); | |
965 | ||
966 | handler = get_handler(handler_name); | |
967 | if (!handler) { | |
968 | pr_debug("can't find python handler %s\n", handler_name); | |
969 | return; | |
970 | } | |
971 | ||
972 | tuple_set_u64(t, n++, tstamp); | |
973 | ||
974 | if (_PyTuple_Resize(&t, n) == -1) | |
975 | Py_FatalError("error resizing Python tuple"); | |
976 | ||
977 | call_object(handler, t, handler_name); | |
978 | ||
979 | Py_DECREF(t); | |
980 | } | |
981 | ||
7e4b21b8 TZ |
982 | static int run_start_sub(void) |
983 | { | |
7e4b21b8 TZ |
984 | main_module = PyImport_AddModule("__main__"); |
985 | if (main_module == NULL) | |
986 | return -1; | |
987 | Py_INCREF(main_module); | |
988 | ||
989 | main_dict = PyModule_GetDict(main_module); | |
a5563edf | 990 | if (main_dict == NULL) |
7e4b21b8 | 991 | goto error; |
7e4b21b8 TZ |
992 | Py_INCREF(main_dict); |
993 | ||
a5563edf | 994 | try_call_object("trace_begin", NULL); |
7e4b21b8 | 995 | |
a5563edf | 996 | return 0; |
7e4b21b8 | 997 | |
7e4b21b8 TZ |
998 | error: |
999 | Py_XDECREF(main_dict); | |
1000 | Py_XDECREF(main_module); | |
a5563edf | 1001 | return -1; |
7e4b21b8 TZ |
1002 | } |
1003 | ||
df919b40 AH |
1004 | #define SET_TABLE_HANDLER_(name, handler_name, table_name) do { \ |
1005 | tables->handler_name = get_handler(#table_name); \ | |
1006 | if (tables->handler_name) \ | |
1007 | tables->dbe.export_ ## name = python_export_ ## name; \ | |
1008 | } while (0) | |
1009 | ||
1010 | #define SET_TABLE_HANDLER(name) \ | |
1011 | SET_TABLE_HANDLER_(name, name ## _handler, name ## _table) | |
1012 | ||
1013 | static void set_table_handlers(struct tables *tables) | |
1014 | { | |
1015 | const char *perf_db_export_mode = "perf_db_export_mode"; | |
6a70307d | 1016 | const char *perf_db_export_calls = "perf_db_export_calls"; |
2c15f5eb CP |
1017 | const char *perf_db_export_callchains = "perf_db_export_callchains"; |
1018 | PyObject *db_export_mode, *db_export_calls, *db_export_callchains; | |
6a70307d | 1019 | bool export_calls = false; |
2c15f5eb | 1020 | bool export_callchains = false; |
df919b40 AH |
1021 | int ret; |
1022 | ||
1023 | memset(tables, 0, sizeof(struct tables)); | |
1024 | if (db_export__init(&tables->dbe)) | |
1025 | Py_FatalError("failed to initialize export"); | |
1026 | ||
1027 | db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode); | |
1028 | if (!db_export_mode) | |
1029 | return; | |
1030 | ||
1031 | ret = PyObject_IsTrue(db_export_mode); | |
1032 | if (ret == -1) | |
1033 | handler_call_die(perf_db_export_mode); | |
1034 | if (!ret) | |
1035 | return; | |
1036 | ||
2c15f5eb | 1037 | /* handle export calls */ |
6a70307d AH |
1038 | tables->dbe.crp = NULL; |
1039 | db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls); | |
1040 | if (db_export_calls) { | |
1041 | ret = PyObject_IsTrue(db_export_calls); | |
1042 | if (ret == -1) | |
1043 | handler_call_die(perf_db_export_calls); | |
1044 | export_calls = !!ret; | |
1045 | } | |
1046 | ||
1047 | if (export_calls) { | |
1048 | tables->dbe.crp = | |
1049 | call_return_processor__new(python_process_call_return, | |
1050 | &tables->dbe); | |
1051 | if (!tables->dbe.crp) | |
1052 | Py_FatalError("failed to create calls processor"); | |
1053 | } | |
1054 | ||
2c15f5eb CP |
1055 | /* handle export callchains */ |
1056 | tables->dbe.cpr = NULL; | |
1057 | db_export_callchains = PyDict_GetItemString(main_dict, | |
1058 | perf_db_export_callchains); | |
1059 | if (db_export_callchains) { | |
1060 | ret = PyObject_IsTrue(db_export_callchains); | |
1061 | if (ret == -1) | |
1062 | handler_call_die(perf_db_export_callchains); | |
1063 | export_callchains = !!ret; | |
1064 | } | |
1065 | ||
1066 | if (export_callchains) { | |
1067 | /* | |
1068 | * Attempt to use the call path root from the call return | |
1069 | * processor, if the call return processor is in use. Otherwise, | |
1070 | * we allocate a new call path root. This prevents exporting | |
1071 | * duplicate call path ids when both are in use simultaniously. | |
1072 | */ | |
1073 | if (tables->dbe.crp) | |
1074 | tables->dbe.cpr = tables->dbe.crp->cpr; | |
1075 | else | |
1076 | tables->dbe.cpr = call_path_root__new(); | |
1077 | ||
1078 | if (!tables->dbe.cpr) | |
aff63340 | 1079 | Py_FatalError("failed to create call path root"); |
2c15f5eb CP |
1080 | } |
1081 | ||
df919b40 AH |
1082 | tables->db_export_mode = true; |
1083 | /* | |
1084 | * Reserve per symbol space for symbol->db_id via symbol__priv() | |
1085 | */ | |
1086 | symbol_conf.priv_size = sizeof(u64); | |
1087 | ||
1088 | SET_TABLE_HANDLER(evsel); | |
1089 | SET_TABLE_HANDLER(machine); | |
1090 | SET_TABLE_HANDLER(thread); | |
1091 | SET_TABLE_HANDLER(comm); | |
1092 | SET_TABLE_HANDLER(comm_thread); | |
1093 | SET_TABLE_HANDLER(dso); | |
1094 | SET_TABLE_HANDLER(symbol); | |
c29414f5 | 1095 | SET_TABLE_HANDLER(branch_type); |
df919b40 | 1096 | SET_TABLE_HANDLER(sample); |
6a70307d AH |
1097 | SET_TABLE_HANDLER(call_path); |
1098 | SET_TABLE_HANDLER(call_return); | |
df919b40 AH |
1099 | } |
1100 | ||
7e4b21b8 TZ |
1101 | /* |
1102 | * Start trace script | |
1103 | */ | |
1104 | static int python_start_script(const char *script, int argc, const char **argv) | |
1105 | { | |
df919b40 | 1106 | struct tables *tables = &tables_global; |
7e4b21b8 TZ |
1107 | const char **command_line; |
1108 | char buf[PATH_MAX]; | |
1109 | int i, err = 0; | |
1110 | FILE *fp; | |
1111 | ||
1112 | command_line = malloc((argc + 1) * sizeof(const char *)); | |
1113 | command_line[0] = script; | |
1114 | for (i = 1; i < argc + 1; i++) | |
1115 | command_line[i] = argv[i - 1]; | |
1116 | ||
1117 | Py_Initialize(); | |
1118 | ||
1119 | initperf_trace_context(); | |
1120 | ||
1121 | PySys_SetArgv(argc + 1, (char **)command_line); | |
1122 | ||
1123 | fp = fopen(script, "r"); | |
1124 | if (!fp) { | |
1125 | sprintf(buf, "Can't open python script \"%s\"", script); | |
1126 | perror(buf); | |
1127 | err = -1; | |
1128 | goto error; | |
1129 | } | |
1130 | ||
1131 | err = PyRun_SimpleFile(fp, script); | |
1132 | if (err) { | |
1133 | fprintf(stderr, "Error running python script %s\n", script); | |
1134 | goto error; | |
1135 | } | |
1136 | ||
1137 | err = run_start_sub(); | |
1138 | if (err) { | |
1139 | fprintf(stderr, "Error starting python script %s\n", script); | |
1140 | goto error; | |
1141 | } | |
1142 | ||
df919b40 AH |
1143 | set_table_handlers(tables); |
1144 | ||
c29414f5 AH |
1145 | if (tables->db_export_mode) { |
1146 | err = db_export__branch_types(&tables->dbe); | |
1147 | if (err) | |
1148 | goto error; | |
1149 | } | |
1150 | ||
979ac257 CIK |
1151 | free(command_line); |
1152 | ||
7e4b21b8 TZ |
1153 | return err; |
1154 | error: | |
1155 | Py_Finalize(); | |
1156 | free(command_line); | |
1157 | ||
1158 | return err; | |
1159 | } | |
1160 | ||
d445dd2a AH |
1161 | static int python_flush_script(void) |
1162 | { | |
758008b2 AH |
1163 | struct tables *tables = &tables_global; |
1164 | ||
1165 | return db_export__flush(&tables->dbe); | |
d445dd2a AH |
1166 | } |
1167 | ||
7e4b21b8 TZ |
1168 | /* |
1169 | * Stop trace script | |
1170 | */ | |
1171 | static int python_stop_script(void) | |
1172 | { | |
df919b40 AH |
1173 | struct tables *tables = &tables_global; |
1174 | ||
a5563edf | 1175 | try_call_object("trace_end", NULL); |
7e4b21b8 | 1176 | |
df919b40 AH |
1177 | db_export__exit(&tables->dbe); |
1178 | ||
7e4b21b8 TZ |
1179 | Py_XDECREF(main_dict); |
1180 | Py_XDECREF(main_module); | |
1181 | Py_Finalize(); | |
1182 | ||
a5563edf | 1183 | return 0; |
7e4b21b8 TZ |
1184 | } |
1185 | ||
da378962 | 1186 | static int python_generate_script(struct pevent *pevent, const char *outfile) |
7e4b21b8 | 1187 | { |
aaf045f7 | 1188 | struct event_format *event = NULL; |
7e4b21b8 TZ |
1189 | struct format_field *f; |
1190 | char fname[PATH_MAX]; | |
1191 | int not_first, count; | |
1192 | FILE *ofp; | |
1193 | ||
1194 | sprintf(fname, "%s.py", outfile); | |
1195 | ofp = fopen(fname, "w"); | |
1196 | if (ofp == NULL) { | |
1197 | fprintf(stderr, "couldn't open %s\n", fname); | |
1198 | return -1; | |
1199 | } | |
133dc4c3 IM |
1200 | fprintf(ofp, "# perf script event handlers, " |
1201 | "generated by perf script -g python\n"); | |
7e4b21b8 TZ |
1202 | |
1203 | fprintf(ofp, "# Licensed under the terms of the GNU GPL" | |
1204 | " License version 2\n\n"); | |
1205 | ||
1206 | fprintf(ofp, "# The common_* event handler fields are the most useful " | |
1207 | "fields common to\n"); | |
1208 | ||
1209 | fprintf(ofp, "# all events. They don't necessarily correspond to " | |
1210 | "the 'common_*' fields\n"); | |
1211 | ||
1212 | fprintf(ofp, "# in the format files. Those fields not available as " | |
1213 | "handler params can\n"); | |
1214 | ||
1215 | fprintf(ofp, "# be retrieved using Python functions of the form " | |
1216 | "common_*(context).\n"); | |
1217 | ||
1218 | fprintf(ofp, "# See the perf-trace-python Documentation for the list " | |
1219 | "of available functions.\n\n"); | |
1220 | ||
1221 | fprintf(ofp, "import os\n"); | |
1222 | fprintf(ofp, "import sys\n\n"); | |
1223 | ||
1224 | fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n"); | |
1225 | fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n"); | |
1226 | fprintf(ofp, "\nfrom perf_trace_context import *\n"); | |
1227 | fprintf(ofp, "from Core import *\n\n\n"); | |
1228 | ||
1229 | fprintf(ofp, "def trace_begin():\n"); | |
1230 | fprintf(ofp, "\tprint \"in trace_begin\"\n\n"); | |
1231 | ||
1232 | fprintf(ofp, "def trace_end():\n"); | |
1233 | fprintf(ofp, "\tprint \"in trace_end\"\n\n"); | |
1234 | ||
da378962 | 1235 | while ((event = trace_find_next_event(pevent, event))) { |
7e4b21b8 TZ |
1236 | fprintf(ofp, "def %s__%s(", event->system, event->name); |
1237 | fprintf(ofp, "event_name, "); | |
1238 | fprintf(ofp, "context, "); | |
1239 | fprintf(ofp, "common_cpu,\n"); | |
1240 | fprintf(ofp, "\tcommon_secs, "); | |
1241 | fprintf(ofp, "common_nsecs, "); | |
1242 | fprintf(ofp, "common_pid, "); | |
1243 | fprintf(ofp, "common_comm,\n\t"); | |
0f5f5bcd | 1244 | fprintf(ofp, "common_callchain, "); |
7e4b21b8 TZ |
1245 | |
1246 | not_first = 0; | |
1247 | count = 0; | |
1248 | ||
1249 | for (f = event->format.fields; f; f = f->next) { | |
1250 | if (not_first++) | |
1251 | fprintf(ofp, ", "); | |
1252 | if (++count % 5 == 0) | |
1253 | fprintf(ofp, "\n\t"); | |
1254 | ||
1255 | fprintf(ofp, "%s", f->name); | |
1256 | } | |
1257 | fprintf(ofp, "):\n"); | |
1258 | ||
1259 | fprintf(ofp, "\t\tprint_header(event_name, common_cpu, " | |
1260 | "common_secs, common_nsecs,\n\t\t\t" | |
1261 | "common_pid, common_comm)\n\n"); | |
1262 | ||
1263 | fprintf(ofp, "\t\tprint \""); | |
1264 | ||
1265 | not_first = 0; | |
1266 | count = 0; | |
1267 | ||
1268 | for (f = event->format.fields; f; f = f->next) { | |
1269 | if (not_first++) | |
1270 | fprintf(ofp, ", "); | |
1271 | if (count && count % 3 == 0) { | |
1272 | fprintf(ofp, "\" \\\n\t\t\""); | |
1273 | } | |
1274 | count++; | |
1275 | ||
1276 | fprintf(ofp, "%s=", f->name); | |
1277 | if (f->flags & FIELD_IS_STRING || | |
1278 | f->flags & FIELD_IS_FLAG || | |
e646fe73 | 1279 | f->flags & FIELD_IS_ARRAY || |
7e4b21b8 TZ |
1280 | f->flags & FIELD_IS_SYMBOLIC) |
1281 | fprintf(ofp, "%%s"); | |
1282 | else if (f->flags & FIELD_IS_SIGNED) | |
1283 | fprintf(ofp, "%%d"); | |
1284 | else | |
1285 | fprintf(ofp, "%%u"); | |
1286 | } | |
1287 | ||
0f5f5bcd | 1288 | fprintf(ofp, "\" %% \\\n\t\t("); |
7e4b21b8 TZ |
1289 | |
1290 | not_first = 0; | |
1291 | count = 0; | |
1292 | ||
1293 | for (f = event->format.fields; f; f = f->next) { | |
1294 | if (not_first++) | |
1295 | fprintf(ofp, ", "); | |
1296 | ||
1297 | if (++count % 5 == 0) | |
1298 | fprintf(ofp, "\n\t\t"); | |
1299 | ||
1300 | if (f->flags & FIELD_IS_FLAG) { | |
1301 | if ((count - 1) % 5 != 0) { | |
1302 | fprintf(ofp, "\n\t\t"); | |
1303 | count = 4; | |
1304 | } | |
1305 | fprintf(ofp, "flag_str(\""); | |
1306 | fprintf(ofp, "%s__%s\", ", event->system, | |
1307 | event->name); | |
1308 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1309 | f->name); | |
1310 | } else if (f->flags & FIELD_IS_SYMBOLIC) { | |
1311 | if ((count - 1) % 5 != 0) { | |
1312 | fprintf(ofp, "\n\t\t"); | |
1313 | count = 4; | |
1314 | } | |
1315 | fprintf(ofp, "symbol_str(\""); | |
1316 | fprintf(ofp, "%s__%s\", ", event->system, | |
1317 | event->name); | |
1318 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1319 | f->name); | |
1320 | } else | |
1321 | fprintf(ofp, "%s", f->name); | |
1322 | } | |
1323 | ||
0f5f5bcd JS |
1324 | fprintf(ofp, ")\n\n"); |
1325 | ||
1326 | fprintf(ofp, "\t\tfor node in common_callchain:"); | |
1327 | fprintf(ofp, "\n\t\t\tif 'sym' in node:"); | |
1328 | fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])"); | |
1329 | fprintf(ofp, "\n\t\t\telse:"); | |
1330 | fprintf(ofp, "\n\t\t\t\tprint \"\t[%%x]\" %% (node['ip'])\n\n"); | |
1331 | fprintf(ofp, "\t\tprint \"\\n\"\n\n"); | |
1332 | ||
7e4b21b8 TZ |
1333 | } |
1334 | ||
1335 | fprintf(ofp, "def trace_unhandled(event_name, context, " | |
c0251485 | 1336 | "event_fields_dict):\n"); |
7e4b21b8 | 1337 | |
c0251485 PT |
1338 | fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))" |
1339 | "for k,v in sorted(event_fields_dict.items())])\n\n"); | |
7e4b21b8 TZ |
1340 | |
1341 | fprintf(ofp, "def print_header(" | |
1342 | "event_name, cpu, secs, nsecs, pid, comm):\n" | |
1343 | "\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t" | |
1344 | "(event_name, cpu, secs, nsecs, pid, comm),\n"); | |
1345 | ||
1346 | fclose(ofp); | |
1347 | ||
1348 | fprintf(stderr, "generated Python script: %s\n", fname); | |
1349 | ||
1350 | return 0; | |
1351 | } | |
1352 | ||
1353 | struct scripting_ops python_scripting_ops = { | |
aef90263 JO |
1354 | .name = "Python", |
1355 | .start_script = python_start_script, | |
1356 | .flush_script = python_flush_script, | |
1357 | .stop_script = python_stop_script, | |
1358 | .process_event = python_process_event, | |
1359 | .process_stat = python_process_stat, | |
1360 | .process_stat_interval = python_process_stat_interval, | |
1361 | .generate_script = python_generate_script, | |
7e4b21b8 | 1362 | }; |