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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 | ||
fd20e811 | 24 | #include <inttypes.h> |
7e4b21b8 TZ |
25 | #include <stdio.h> |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
df919b40 | 28 | #include <stdbool.h> |
7e4b21b8 | 29 | #include <errno.h> |
adf5bcf3 | 30 | #include <linux/bitmap.h> |
bd48c63e | 31 | #include <linux/time64.h> |
7e4b21b8 TZ |
32 | |
33 | #include "../../perf.h" | |
84f5d36f | 34 | #include "../debug.h" |
8f651eae | 35 | #include "../callchain.h" |
fcf65bf1 | 36 | #include "../evsel.h" |
7e4b21b8 | 37 | #include "../util.h" |
743eb868 ACM |
38 | #include "../event.h" |
39 | #include "../thread.h" | |
df919b40 AH |
40 | #include "../comm.h" |
41 | #include "../machine.h" | |
42 | #include "../db-export.h" | |
6a70307d | 43 | #include "../thread-stack.h" |
7e4b21b8 | 44 | #include "../trace-event.h" |
0f5f5bcd | 45 | #include "../machine.h" |
451db126 | 46 | #include "../call-path.h" |
aef90263 JO |
47 | #include "thread_map.h" |
48 | #include "cpumap.h" | |
fea01392 | 49 | #include "print_binary.h" |
aef90263 | 50 | #include "stat.h" |
7e4b21b8 TZ |
51 | |
52 | PyMODINIT_FUNC initperf_trace_context(void); | |
53 | ||
609a7404 | 54 | #define TRACE_EVENT_TYPE_MAX \ |
7e4b21b8 TZ |
55 | ((1 << (sizeof(unsigned short) * 8)) - 1) |
56 | ||
609a7404 | 57 | static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX); |
7e4b21b8 TZ |
58 | |
59 | #define MAX_FIELDS 64 | |
60 | #define N_COMMON_FIELDS 7 | |
61 | ||
62 | extern struct scripting_context *scripting_context; | |
63 | ||
64 | static char *cur_field_name; | |
65 | static int zero_flag_atom; | |
66 | ||
67 | static PyObject *main_module, *main_dict; | |
68 | ||
df919b40 AH |
69 | struct tables { |
70 | struct db_export dbe; | |
71 | PyObject *evsel_handler; | |
72 | PyObject *machine_handler; | |
73 | PyObject *thread_handler; | |
74 | PyObject *comm_handler; | |
75 | PyObject *comm_thread_handler; | |
76 | PyObject *dso_handler; | |
77 | PyObject *symbol_handler; | |
c29414f5 | 78 | PyObject *branch_type_handler; |
df919b40 | 79 | PyObject *sample_handler; |
6a70307d AH |
80 | PyObject *call_path_handler; |
81 | PyObject *call_return_handler; | |
df919b40 AH |
82 | bool db_export_mode; |
83 | }; | |
84 | ||
85 | static struct tables tables_global; | |
86 | ||
05f832e3 | 87 | static void handler_call_die(const char *handler_name) NORETURN; |
7e4b21b8 TZ |
88 | static void handler_call_die(const char *handler_name) |
89 | { | |
90 | PyErr_Print(); | |
91 | Py_FatalError("problem in Python trace event handler"); | |
05f832e3 JS |
92 | // Py_FatalError does not return |
93 | // but we have to make the compiler happy | |
94 | abort(); | |
7e4b21b8 TZ |
95 | } |
96 | ||
c0268e8d JS |
97 | /* |
98 | * Insert val into into the dictionary and decrement the reference counter. | |
48000a1a | 99 | * This is necessary for dictionaries since PyDict_SetItemString() does not |
c0268e8d JS |
100 | * steal a reference, as opposed to PyTuple_SetItem(). |
101 | */ | |
102 | static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val) | |
103 | { | |
104 | PyDict_SetItemString(dict, key, val); | |
105 | Py_DECREF(val); | |
106 | } | |
107 | ||
a5563edf AH |
108 | static PyObject *get_handler(const char *handler_name) |
109 | { | |
110 | PyObject *handler; | |
111 | ||
112 | handler = PyDict_GetItemString(main_dict, handler_name); | |
113 | if (handler && !PyCallable_Check(handler)) | |
114 | return NULL; | |
115 | return handler; | |
116 | } | |
117 | ||
118 | static void call_object(PyObject *handler, PyObject *args, const char *die_msg) | |
119 | { | |
120 | PyObject *retval; | |
121 | ||
122 | retval = PyObject_CallObject(handler, args); | |
123 | if (retval == NULL) | |
124 | handler_call_die(die_msg); | |
125 | Py_DECREF(retval); | |
126 | } | |
127 | ||
128 | static void try_call_object(const char *handler_name, PyObject *args) | |
129 | { | |
130 | PyObject *handler; | |
131 | ||
132 | handler = get_handler(handler_name); | |
133 | if (handler) | |
134 | call_object(handler, args, handler_name); | |
135 | } | |
136 | ||
7e4b21b8 TZ |
137 | static void define_value(enum print_arg_type field_type, |
138 | const char *ev_name, | |
139 | const char *field_name, | |
140 | const char *field_value, | |
141 | const char *field_str) | |
142 | { | |
143 | const char *handler_name = "define_flag_value"; | |
a5563edf | 144 | PyObject *t; |
7e4b21b8 TZ |
145 | unsigned long long value; |
146 | unsigned n = 0; | |
147 | ||
148 | if (field_type == PRINT_SYMBOL) | |
149 | handler_name = "define_symbolic_value"; | |
150 | ||
44ad9cd8 | 151 | t = PyTuple_New(4); |
7e4b21b8 TZ |
152 | if (!t) |
153 | Py_FatalError("couldn't create Python tuple"); | |
154 | ||
155 | value = eval_flag(field_value); | |
156 | ||
157 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
158 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
159 | PyTuple_SetItem(t, n++, PyInt_FromLong(value)); | |
160 | PyTuple_SetItem(t, n++, PyString_FromString(field_str)); | |
161 | ||
a5563edf | 162 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
163 | |
164 | Py_DECREF(t); | |
165 | } | |
166 | ||
167 | static void define_values(enum print_arg_type field_type, | |
168 | struct print_flag_sym *field, | |
169 | const char *ev_name, | |
170 | const char *field_name) | |
171 | { | |
172 | define_value(field_type, ev_name, field_name, field->value, | |
173 | field->str); | |
174 | ||
175 | if (field->next) | |
176 | define_values(field_type, field->next, ev_name, field_name); | |
177 | } | |
178 | ||
179 | static void define_field(enum print_arg_type field_type, | |
180 | const char *ev_name, | |
181 | const char *field_name, | |
182 | const char *delim) | |
183 | { | |
184 | const char *handler_name = "define_flag_field"; | |
a5563edf | 185 | PyObject *t; |
7e4b21b8 TZ |
186 | unsigned n = 0; |
187 | ||
188 | if (field_type == PRINT_SYMBOL) | |
189 | handler_name = "define_symbolic_field"; | |
190 | ||
44ad9cd8 TZ |
191 | if (field_type == PRINT_FLAGS) |
192 | t = PyTuple_New(3); | |
193 | else | |
194 | t = PyTuple_New(2); | |
7e4b21b8 TZ |
195 | if (!t) |
196 | Py_FatalError("couldn't create Python tuple"); | |
197 | ||
198 | PyTuple_SetItem(t, n++, PyString_FromString(ev_name)); | |
199 | PyTuple_SetItem(t, n++, PyString_FromString(field_name)); | |
200 | if (field_type == PRINT_FLAGS) | |
201 | PyTuple_SetItem(t, n++, PyString_FromString(delim)); | |
202 | ||
a5563edf | 203 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
204 | |
205 | Py_DECREF(t); | |
206 | } | |
207 | ||
aaf045f7 | 208 | static void define_event_symbols(struct event_format *event, |
7e4b21b8 TZ |
209 | const char *ev_name, |
210 | struct print_arg *args) | |
211 | { | |
8579aca3 TS |
212 | if (args == NULL) |
213 | return; | |
214 | ||
7e4b21b8 TZ |
215 | switch (args->type) { |
216 | case PRINT_NULL: | |
217 | break; | |
218 | case PRINT_ATOM: | |
219 | define_value(PRINT_FLAGS, ev_name, cur_field_name, "0", | |
220 | args->atom.atom); | |
221 | zero_flag_atom = 0; | |
222 | break; | |
223 | case PRINT_FIELD: | |
f5385650 | 224 | free(cur_field_name); |
7e4b21b8 TZ |
225 | cur_field_name = strdup(args->field.name); |
226 | break; | |
227 | case PRINT_FLAGS: | |
228 | define_event_symbols(event, ev_name, args->flags.field); | |
229 | define_field(PRINT_FLAGS, ev_name, cur_field_name, | |
230 | args->flags.delim); | |
231 | define_values(PRINT_FLAGS, args->flags.flags, ev_name, | |
232 | cur_field_name); | |
233 | break; | |
234 | case PRINT_SYMBOL: | |
235 | define_event_symbols(event, ev_name, args->symbol.field); | |
236 | define_field(PRINT_SYMBOL, ev_name, cur_field_name, NULL); | |
237 | define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name, | |
238 | cur_field_name); | |
239 | break; | |
e080e6f1 | 240 | case PRINT_HEX: |
0fe05591 | 241 | case PRINT_HEX_STR: |
e080e6f1 NK |
242 | define_event_symbols(event, ev_name, args->hex.field); |
243 | define_event_symbols(event, ev_name, args->hex.size); | |
244 | break; | |
b839e1e8 JM |
245 | case PRINT_INT_ARRAY: |
246 | define_event_symbols(event, ev_name, args->int_array.field); | |
247 | define_event_symbols(event, ev_name, args->int_array.count); | |
248 | define_event_symbols(event, ev_name, args->int_array.el_size); | |
249 | break; | |
7e4b21b8 TZ |
250 | case PRINT_STRING: |
251 | break; | |
252 | case PRINT_TYPE: | |
253 | define_event_symbols(event, ev_name, args->typecast.item); | |
254 | break; | |
255 | case PRINT_OP: | |
256 | if (strcmp(args->op.op, ":") == 0) | |
257 | zero_flag_atom = 1; | |
258 | define_event_symbols(event, ev_name, args->op.left); | |
259 | define_event_symbols(event, ev_name, args->op.right); | |
260 | break; | |
261 | default: | |
aaf045f7 SR |
262 | /* gcc warns for these? */ |
263 | case PRINT_BSTRING: | |
264 | case PRINT_DYNAMIC_ARRAY: | |
76055940 | 265 | case PRINT_DYNAMIC_ARRAY_LEN: |
aaf045f7 | 266 | case PRINT_FUNC: |
473a778a | 267 | case PRINT_BITMASK: |
7e4b21b8 TZ |
268 | /* we should warn... */ |
269 | return; | |
270 | } | |
271 | ||
272 | if (args->next) | |
273 | define_event_symbols(event, ev_name, args->next); | |
274 | } | |
275 | ||
33058b94 SAS |
276 | static PyObject *get_field_numeric_entry(struct event_format *event, |
277 | struct format_field *field, void *data) | |
278 | { | |
8ac631cd | 279 | bool is_array = field->flags & FIELD_IS_ARRAY; |
39f54862 | 280 | PyObject *obj = NULL, *list = NULL; |
33058b94 | 281 | unsigned long long val; |
8ac631cd | 282 | unsigned int item_size, n_items, i; |
33058b94 | 283 | |
8ac631cd SAS |
284 | if (is_array) { |
285 | list = PyList_New(field->arraylen); | |
286 | item_size = field->size / field->arraylen; | |
287 | n_items = field->arraylen; | |
33058b94 | 288 | } else { |
8ac631cd SAS |
289 | item_size = field->size; |
290 | n_items = 1; | |
33058b94 | 291 | } |
8ac631cd SAS |
292 | |
293 | for (i = 0; i < n_items; i++) { | |
294 | ||
295 | val = read_size(event, data + field->offset + i * item_size, | |
296 | item_size); | |
297 | if (field->flags & FIELD_IS_SIGNED) { | |
298 | if ((long long)val >= LONG_MIN && | |
299 | (long long)val <= LONG_MAX) | |
300 | obj = PyInt_FromLong(val); | |
301 | else | |
302 | obj = PyLong_FromLongLong(val); | |
303 | } else { | |
304 | if (val <= LONG_MAX) | |
305 | obj = PyInt_FromLong(val); | |
306 | else | |
307 | obj = PyLong_FromUnsignedLongLong(val); | |
308 | } | |
309 | if (is_array) | |
310 | PyList_SET_ITEM(list, i, obj); | |
311 | } | |
312 | if (is_array) | |
313 | obj = list; | |
33058b94 SAS |
314 | return obj; |
315 | } | |
316 | ||
0f5f5bcd JS |
317 | |
318 | static PyObject *python_process_callchain(struct perf_sample *sample, | |
319 | struct perf_evsel *evsel, | |
320 | struct addr_location *al) | |
321 | { | |
322 | PyObject *pylist; | |
323 | ||
324 | pylist = PyList_New(0); | |
325 | if (!pylist) | |
326 | Py_FatalError("couldn't create Python list"); | |
327 | ||
328 | if (!symbol_conf.use_callchain || !sample->callchain) | |
329 | goto exit; | |
330 | ||
91d7b2de | 331 | if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel, |
cc8b7c2b | 332 | sample, NULL, NULL, |
44cbe729 | 333 | scripting_max_stack) != 0) { |
0f5f5bcd JS |
334 | pr_err("Failed to resolve callchain. Skipping\n"); |
335 | goto exit; | |
336 | } | |
337 | callchain_cursor_commit(&callchain_cursor); | |
338 | ||
339 | ||
340 | while (1) { | |
341 | PyObject *pyelem; | |
342 | struct callchain_cursor_node *node; | |
343 | node = callchain_cursor_current(&callchain_cursor); | |
344 | if (!node) | |
345 | break; | |
346 | ||
347 | pyelem = PyDict_New(); | |
348 | if (!pyelem) | |
349 | Py_FatalError("couldn't create Python dictionary"); | |
350 | ||
351 | ||
352 | pydict_set_item_string_decref(pyelem, "ip", | |
353 | PyLong_FromUnsignedLongLong(node->ip)); | |
354 | ||
355 | if (node->sym) { | |
356 | PyObject *pysym = PyDict_New(); | |
357 | if (!pysym) | |
358 | Py_FatalError("couldn't create Python dictionary"); | |
359 | pydict_set_item_string_decref(pysym, "start", | |
360 | PyLong_FromUnsignedLongLong(node->sym->start)); | |
361 | pydict_set_item_string_decref(pysym, "end", | |
362 | PyLong_FromUnsignedLongLong(node->sym->end)); | |
363 | pydict_set_item_string_decref(pysym, "binding", | |
364 | PyInt_FromLong(node->sym->binding)); | |
365 | pydict_set_item_string_decref(pysym, "name", | |
366 | PyString_FromStringAndSize(node->sym->name, | |
367 | node->sym->namelen)); | |
368 | pydict_set_item_string_decref(pyelem, "sym", pysym); | |
369 | } | |
370 | ||
371 | if (node->map) { | |
372 | struct map *map = node->map; | |
373 | const char *dsoname = "[unknown]"; | |
8bd8c653 | 374 | if (map && map->dso) { |
0f5f5bcd JS |
375 | if (symbol_conf.show_kernel_path && map->dso->long_name) |
376 | dsoname = map->dso->long_name; | |
8bd8c653 | 377 | else |
0f5f5bcd JS |
378 | dsoname = map->dso->name; |
379 | } | |
380 | pydict_set_item_string_decref(pyelem, "dso", | |
381 | PyString_FromString(dsoname)); | |
382 | } | |
383 | ||
384 | callchain_cursor_advance(&callchain_cursor); | |
385 | PyList_Append(pylist, pyelem); | |
386 | Py_DECREF(pyelem); | |
387 | } | |
388 | ||
389 | exit: | |
390 | return pylist; | |
391 | } | |
392 | ||
b7fff6b5 ACM |
393 | static void python_process_tracepoint(struct perf_sample *sample, |
394 | struct perf_evsel *evsel, | |
b7fff6b5 | 395 | struct addr_location *al) |
7e4b21b8 | 396 | { |
adf5bcf3 | 397 | struct event_format *event = evsel->tp_format; |
39f54862 | 398 | PyObject *handler, *context, *t, *obj = NULL, *callchain; |
0f5f5bcd | 399 | PyObject *dict = NULL; |
7e4b21b8 TZ |
400 | static char handler_name[256]; |
401 | struct format_field *field; | |
7e4b21b8 | 402 | unsigned long s, ns; |
7e4b21b8 | 403 | unsigned n = 0; |
7e4b21b8 | 404 | int pid; |
be6d842a DA |
405 | int cpu = sample->cpu; |
406 | void *data = sample->raw_data; | |
407 | unsigned long long nsecs = sample->time; | |
f9d5d549 | 408 | const char *comm = thread__comm_str(al->thread); |
7e4b21b8 TZ |
409 | |
410 | t = PyTuple_New(MAX_FIELDS); | |
411 | if (!t) | |
412 | Py_FatalError("couldn't create Python tuple"); | |
413 | ||
62665dff ACM |
414 | if (!event) { |
415 | snprintf(handler_name, sizeof(handler_name), | |
416 | "ug! no event found for type %" PRIu64, (u64)evsel->attr.config); | |
417 | Py_FatalError(handler_name); | |
418 | } | |
7e4b21b8 | 419 | |
97822433 | 420 | pid = raw_field_value(event, "common_pid", data); |
7e4b21b8 TZ |
421 | |
422 | sprintf(handler_name, "%s__%s", event->system, event->name); | |
423 | ||
adf5bcf3 JO |
424 | if (!test_and_set_bit(event->id, events_defined)) |
425 | define_event_symbols(event, handler_name, event->print_fmt.args); | |
426 | ||
a5563edf | 427 | handler = get_handler(handler_name); |
c0251485 PT |
428 | if (!handler) { |
429 | dict = PyDict_New(); | |
430 | if (!dict) | |
431 | Py_FatalError("couldn't create Python dict"); | |
432 | } | |
bd48c63e ACM |
433 | s = nsecs / NSEC_PER_SEC; |
434 | ns = nsecs - s * NSEC_PER_SEC; | |
7e4b21b8 TZ |
435 | |
436 | scripting_context->event_data = data; | |
2de9533d | 437 | scripting_context->pevent = evsel->tp_format->pevent; |
7e4b21b8 TZ |
438 | |
439 | context = PyCObject_FromVoidPtr(scripting_context, NULL); | |
440 | ||
441 | PyTuple_SetItem(t, n++, PyString_FromString(handler_name)); | |
fb7d0b3c | 442 | PyTuple_SetItem(t, n++, context); |
7e4b21b8 | 443 | |
0f5f5bcd JS |
444 | /* ip unwinding */ |
445 | callchain = python_process_callchain(sample, evsel, al); | |
446 | ||
c0251485 PT |
447 | if (handler) { |
448 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
449 | PyTuple_SetItem(t, n++, PyInt_FromLong(s)); | |
450 | PyTuple_SetItem(t, n++, PyInt_FromLong(ns)); | |
451 | PyTuple_SetItem(t, n++, PyInt_FromLong(pid)); | |
452 | PyTuple_SetItem(t, n++, PyString_FromString(comm)); | |
0f5f5bcd | 453 | PyTuple_SetItem(t, n++, callchain); |
c0251485 | 454 | } else { |
c0268e8d JS |
455 | pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu)); |
456 | pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s)); | |
457 | pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns)); | |
458 | pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid)); | |
459 | pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm)); | |
0f5f5bcd | 460 | pydict_set_item_string_decref(dict, "common_callchain", callchain); |
c0251485 | 461 | } |
7e4b21b8 | 462 | for (field = event->format.fields; field; field = field->next) { |
249de6e0 JO |
463 | unsigned int offset, len; |
464 | unsigned long long val; | |
465 | ||
466 | if (field->flags & FIELD_IS_ARRAY) { | |
467 | offset = field->offset; | |
468 | len = field->size; | |
7e4b21b8 | 469 | if (field->flags & FIELD_IS_DYNAMIC) { |
249de6e0 JO |
470 | val = pevent_read_number(scripting_context->pevent, |
471 | data + offset, len); | |
472 | offset = val; | |
473 | len = offset >> 16; | |
7e4b21b8 | 474 | offset &= 0xffff; |
249de6e0 JO |
475 | } |
476 | if (field->flags & FIELD_IS_STRING && | |
477 | is_printable_array(data + offset, len)) { | |
478 | obj = PyString_FromString((char *) data + offset); | |
479 | } else { | |
480 | obj = PyByteArray_FromStringAndSize((const char *) data + offset, len); | |
481 | field->flags &= ~FIELD_IS_STRING; | |
482 | } | |
7e4b21b8 | 483 | } else { /* FIELD_IS_NUMERIC */ |
33058b94 | 484 | obj = get_field_numeric_entry(event, field, data); |
7e4b21b8 | 485 | } |
c0251485 PT |
486 | if (handler) |
487 | PyTuple_SetItem(t, n++, obj); | |
488 | else | |
c0268e8d | 489 | pydict_set_item_string_decref(dict, field->name, obj); |
c0251485 | 490 | |
7e4b21b8 | 491 | } |
0f5f5bcd | 492 | |
c0251485 PT |
493 | if (!handler) |
494 | PyTuple_SetItem(t, n++, dict); | |
7e4b21b8 TZ |
495 | |
496 | if (_PyTuple_Resize(&t, n) == -1) | |
497 | Py_FatalError("error resizing Python tuple"); | |
498 | ||
c0251485 | 499 | if (handler) { |
a5563edf | 500 | call_object(handler, t, handler_name); |
7e4b21b8 | 501 | } else { |
a5563edf | 502 | try_call_object("trace_unhandled", t); |
c0251485 | 503 | Py_DECREF(dict); |
7e4b21b8 TZ |
504 | } |
505 | ||
506 | Py_DECREF(t); | |
507 | } | |
508 | ||
df919b40 AH |
509 | static PyObject *tuple_new(unsigned int sz) |
510 | { | |
511 | PyObject *t; | |
512 | ||
513 | t = PyTuple_New(sz); | |
514 | if (!t) | |
515 | Py_FatalError("couldn't create Python tuple"); | |
516 | return t; | |
517 | } | |
518 | ||
519 | static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) | |
520 | { | |
521 | #if BITS_PER_LONG == 64 | |
522 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
523 | #endif | |
524 | #if BITS_PER_LONG == 32 | |
525 | return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val)); | |
526 | #endif | |
527 | } | |
528 | ||
529 | static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) | |
530 | { | |
531 | return PyTuple_SetItem(t, pos, PyInt_FromLong(val)); | |
532 | } | |
533 | ||
534 | static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) | |
535 | { | |
536 | return PyTuple_SetItem(t, pos, PyString_FromString(s)); | |
537 | } | |
538 | ||
539 | static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel) | |
540 | { | |
541 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
542 | PyObject *t; | |
543 | ||
544 | t = tuple_new(2); | |
545 | ||
546 | tuple_set_u64(t, 0, evsel->db_id); | |
547 | tuple_set_string(t, 1, perf_evsel__name(evsel)); | |
548 | ||
549 | call_object(tables->evsel_handler, t, "evsel_table"); | |
550 | ||
551 | Py_DECREF(t); | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
556 | static int python_export_machine(struct db_export *dbe, | |
557 | struct machine *machine) | |
558 | { | |
559 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
560 | PyObject *t; | |
561 | ||
562 | t = tuple_new(3); | |
563 | ||
564 | tuple_set_u64(t, 0, machine->db_id); | |
565 | tuple_set_s32(t, 1, machine->pid); | |
566 | tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : ""); | |
567 | ||
568 | call_object(tables->machine_handler, t, "machine_table"); | |
569 | ||
570 | Py_DECREF(t); | |
571 | ||
572 | return 0; | |
573 | } | |
574 | ||
575 | static int python_export_thread(struct db_export *dbe, struct thread *thread, | |
576 | u64 main_thread_db_id, struct machine *machine) | |
577 | { | |
578 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
579 | PyObject *t; | |
580 | ||
581 | t = tuple_new(5); | |
582 | ||
583 | tuple_set_u64(t, 0, thread->db_id); | |
584 | tuple_set_u64(t, 1, machine->db_id); | |
585 | tuple_set_u64(t, 2, main_thread_db_id); | |
586 | tuple_set_s32(t, 3, thread->pid_); | |
587 | tuple_set_s32(t, 4, thread->tid); | |
588 | ||
589 | call_object(tables->thread_handler, t, "thread_table"); | |
590 | ||
591 | Py_DECREF(t); | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | static int python_export_comm(struct db_export *dbe, struct comm *comm) | |
597 | { | |
598 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
599 | PyObject *t; | |
600 | ||
601 | t = tuple_new(2); | |
602 | ||
603 | tuple_set_u64(t, 0, comm->db_id); | |
604 | tuple_set_string(t, 1, comm__str(comm)); | |
605 | ||
606 | call_object(tables->comm_handler, t, "comm_table"); | |
607 | ||
608 | Py_DECREF(t); | |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
613 | static int python_export_comm_thread(struct db_export *dbe, u64 db_id, | |
614 | struct comm *comm, struct thread *thread) | |
615 | { | |
616 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
617 | PyObject *t; | |
618 | ||
619 | t = tuple_new(3); | |
620 | ||
621 | tuple_set_u64(t, 0, db_id); | |
622 | tuple_set_u64(t, 1, comm->db_id); | |
623 | tuple_set_u64(t, 2, thread->db_id); | |
624 | ||
625 | call_object(tables->comm_thread_handler, t, "comm_thread_table"); | |
626 | ||
627 | Py_DECREF(t); | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | static int python_export_dso(struct db_export *dbe, struct dso *dso, | |
633 | struct machine *machine) | |
634 | { | |
635 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
b5d8bbe8 | 636 | char sbuild_id[SBUILD_ID_SIZE]; |
df919b40 AH |
637 | PyObject *t; |
638 | ||
639 | build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); | |
640 | ||
641 | t = tuple_new(5); | |
642 | ||
643 | tuple_set_u64(t, 0, dso->db_id); | |
644 | tuple_set_u64(t, 1, machine->db_id); | |
645 | tuple_set_string(t, 2, dso->short_name); | |
646 | tuple_set_string(t, 3, dso->long_name); | |
647 | tuple_set_string(t, 4, sbuild_id); | |
648 | ||
649 | call_object(tables->dso_handler, t, "dso_table"); | |
650 | ||
651 | Py_DECREF(t); | |
652 | ||
653 | return 0; | |
654 | } | |
655 | ||
656 | static int python_export_symbol(struct db_export *dbe, struct symbol *sym, | |
657 | struct dso *dso) | |
658 | { | |
659 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
660 | u64 *sym_db_id = symbol__priv(sym); | |
661 | PyObject *t; | |
662 | ||
663 | t = tuple_new(6); | |
664 | ||
665 | tuple_set_u64(t, 0, *sym_db_id); | |
666 | tuple_set_u64(t, 1, dso->db_id); | |
667 | tuple_set_u64(t, 2, sym->start); | |
668 | tuple_set_u64(t, 3, sym->end); | |
669 | tuple_set_s32(t, 4, sym->binding); | |
670 | tuple_set_string(t, 5, sym->name); | |
671 | ||
672 | call_object(tables->symbol_handler, t, "symbol_table"); | |
673 | ||
674 | Py_DECREF(t); | |
675 | ||
676 | return 0; | |
677 | } | |
678 | ||
c29414f5 AH |
679 | static int python_export_branch_type(struct db_export *dbe, u32 branch_type, |
680 | const char *name) | |
681 | { | |
682 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
683 | PyObject *t; | |
684 | ||
685 | t = tuple_new(2); | |
686 | ||
687 | tuple_set_s32(t, 0, branch_type); | |
688 | tuple_set_string(t, 1, name); | |
689 | ||
690 | call_object(tables->branch_type_handler, t, "branch_type_table"); | |
691 | ||
692 | Py_DECREF(t); | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
df919b40 AH |
697 | static int python_export_sample(struct db_export *dbe, |
698 | struct export_sample *es) | |
699 | { | |
700 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
701 | PyObject *t; | |
702 | ||
2c15f5eb | 703 | t = tuple_new(22); |
df919b40 AH |
704 | |
705 | tuple_set_u64(t, 0, es->db_id); | |
706 | tuple_set_u64(t, 1, es->evsel->db_id); | |
707 | tuple_set_u64(t, 2, es->al->machine->db_id); | |
b83e868d | 708 | tuple_set_u64(t, 3, es->al->thread->db_id); |
df919b40 AH |
709 | tuple_set_u64(t, 4, es->comm_db_id); |
710 | tuple_set_u64(t, 5, es->dso_db_id); | |
711 | tuple_set_u64(t, 6, es->sym_db_id); | |
712 | tuple_set_u64(t, 7, es->offset); | |
713 | tuple_set_u64(t, 8, es->sample->ip); | |
714 | tuple_set_u64(t, 9, es->sample->time); | |
715 | tuple_set_s32(t, 10, es->sample->cpu); | |
716 | tuple_set_u64(t, 11, es->addr_dso_db_id); | |
717 | tuple_set_u64(t, 12, es->addr_sym_db_id); | |
718 | tuple_set_u64(t, 13, es->addr_offset); | |
719 | tuple_set_u64(t, 14, es->sample->addr); | |
720 | tuple_set_u64(t, 15, es->sample->period); | |
721 | tuple_set_u64(t, 16, es->sample->weight); | |
722 | tuple_set_u64(t, 17, es->sample->transaction); | |
723 | tuple_set_u64(t, 18, es->sample->data_src); | |
c29414f5 AH |
724 | tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK); |
725 | tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX)); | |
2c15f5eb | 726 | tuple_set_u64(t, 21, es->call_path_id); |
df919b40 AH |
727 | |
728 | call_object(tables->sample_handler, t, "sample_table"); | |
729 | ||
730 | Py_DECREF(t); | |
731 | ||
732 | return 0; | |
733 | } | |
734 | ||
6a70307d AH |
735 | static int python_export_call_path(struct db_export *dbe, struct call_path *cp) |
736 | { | |
737 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
738 | PyObject *t; | |
739 | u64 parent_db_id, sym_db_id; | |
740 | ||
741 | parent_db_id = cp->parent ? cp->parent->db_id : 0; | |
742 | sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0; | |
743 | ||
744 | t = tuple_new(4); | |
745 | ||
746 | tuple_set_u64(t, 0, cp->db_id); | |
747 | tuple_set_u64(t, 1, parent_db_id); | |
748 | tuple_set_u64(t, 2, sym_db_id); | |
749 | tuple_set_u64(t, 3, cp->ip); | |
750 | ||
751 | call_object(tables->call_path_handler, t, "call_path_table"); | |
752 | ||
753 | Py_DECREF(t); | |
754 | ||
755 | return 0; | |
756 | } | |
757 | ||
758 | static int python_export_call_return(struct db_export *dbe, | |
759 | struct call_return *cr) | |
760 | { | |
761 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
762 | u64 comm_db_id = cr->comm ? cr->comm->db_id : 0; | |
763 | PyObject *t; | |
764 | ||
765 | t = tuple_new(11); | |
766 | ||
767 | tuple_set_u64(t, 0, cr->db_id); | |
768 | tuple_set_u64(t, 1, cr->thread->db_id); | |
769 | tuple_set_u64(t, 2, comm_db_id); | |
770 | tuple_set_u64(t, 3, cr->cp->db_id); | |
771 | tuple_set_u64(t, 4, cr->call_time); | |
772 | tuple_set_u64(t, 5, cr->return_time); | |
773 | tuple_set_u64(t, 6, cr->branch_count); | |
774 | tuple_set_u64(t, 7, cr->call_ref); | |
775 | tuple_set_u64(t, 8, cr->return_ref); | |
776 | tuple_set_u64(t, 9, cr->cp->parent->db_id); | |
777 | tuple_set_s32(t, 10, cr->flags); | |
778 | ||
779 | call_object(tables->call_return_handler, t, "call_return_table"); | |
780 | ||
781 | Py_DECREF(t); | |
782 | ||
783 | return 0; | |
784 | } | |
785 | ||
786 | static int python_process_call_return(struct call_return *cr, void *data) | |
787 | { | |
788 | struct db_export *dbe = data; | |
789 | ||
790 | return db_export__call_return(dbe, cr); | |
791 | } | |
792 | ||
b7fff6b5 | 793 | static void python_process_general_event(struct perf_sample *sample, |
6a6daec2 | 794 | struct perf_evsel *evsel, |
87b6a3ad | 795 | struct addr_location *al) |
6a6daec2 | 796 | { |
a5563edf | 797 | PyObject *handler, *t, *dict, *callchain, *dict_sample; |
6a6daec2 FT |
798 | static char handler_name[64]; |
799 | unsigned n = 0; | |
6a6daec2 | 800 | |
fd6b858a FT |
801 | /* |
802 | * Use the MAX_FIELDS to make the function expandable, though | |
87b6a3ad | 803 | * currently there is only one item for the tuple. |
fd6b858a | 804 | */ |
6a6daec2 FT |
805 | t = PyTuple_New(MAX_FIELDS); |
806 | if (!t) | |
807 | Py_FatalError("couldn't create Python tuple"); | |
808 | ||
fd6b858a FT |
809 | dict = PyDict_New(); |
810 | if (!dict) | |
811 | Py_FatalError("couldn't create Python dictionary"); | |
812 | ||
57608cfd JS |
813 | dict_sample = PyDict_New(); |
814 | if (!dict_sample) | |
815 | Py_FatalError("couldn't create Python dictionary"); | |
816 | ||
6a6daec2 FT |
817 | snprintf(handler_name, sizeof(handler_name), "%s", "process_event"); |
818 | ||
a5563edf AH |
819 | handler = get_handler(handler_name); |
820 | if (!handler) | |
6a6daec2 | 821 | goto exit; |
6a6daec2 | 822 | |
c0268e8d JS |
823 | pydict_set_item_string_decref(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel))); |
824 | pydict_set_item_string_decref(dict, "attr", PyString_FromStringAndSize( | |
fd6b858a | 825 | (const char *)&evsel->attr, sizeof(evsel->attr))); |
57608cfd JS |
826 | |
827 | pydict_set_item_string_decref(dict_sample, "pid", | |
828 | PyInt_FromLong(sample->pid)); | |
829 | pydict_set_item_string_decref(dict_sample, "tid", | |
830 | PyInt_FromLong(sample->tid)); | |
831 | pydict_set_item_string_decref(dict_sample, "cpu", | |
832 | PyInt_FromLong(sample->cpu)); | |
833 | pydict_set_item_string_decref(dict_sample, "ip", | |
834 | PyLong_FromUnsignedLongLong(sample->ip)); | |
835 | pydict_set_item_string_decref(dict_sample, "time", | |
836 | PyLong_FromUnsignedLongLong(sample->time)); | |
837 | pydict_set_item_string_decref(dict_sample, "period", | |
838 | PyLong_FromUnsignedLongLong(sample->period)); | |
839 | pydict_set_item_string_decref(dict, "sample", dict_sample); | |
840 | ||
c0268e8d | 841 | pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize( |
fd6b858a | 842 | (const char *)sample->raw_data, sample->raw_size)); |
c0268e8d | 843 | pydict_set_item_string_decref(dict, "comm", |
f9d5d549 | 844 | PyString_FromString(thread__comm_str(al->thread))); |
fd6b858a | 845 | if (al->map) { |
c0268e8d | 846 | pydict_set_item_string_decref(dict, "dso", |
fd6b858a FT |
847 | PyString_FromString(al->map->dso->name)); |
848 | } | |
849 | if (al->sym) { | |
c0268e8d | 850 | pydict_set_item_string_decref(dict, "symbol", |
fd6b858a FT |
851 | PyString_FromString(al->sym->name)); |
852 | } | |
6a6daec2 | 853 | |
0f5f5bcd JS |
854 | /* ip unwinding */ |
855 | callchain = python_process_callchain(sample, evsel, al); | |
856 | pydict_set_item_string_decref(dict, "callchain", callchain); | |
857 | ||
fd6b858a | 858 | PyTuple_SetItem(t, n++, dict); |
6a6daec2 FT |
859 | if (_PyTuple_Resize(&t, n) == -1) |
860 | Py_FatalError("error resizing Python tuple"); | |
861 | ||
a5563edf | 862 | call_object(handler, t, handler_name); |
6a6daec2 | 863 | exit: |
fd6b858a | 864 | Py_DECREF(dict); |
6a6daec2 FT |
865 | Py_DECREF(t); |
866 | } | |
867 | ||
df919b40 | 868 | static void python_process_event(union perf_event *event, |
6a6daec2 FT |
869 | struct perf_sample *sample, |
870 | struct perf_evsel *evsel, | |
73994dc1 | 871 | struct addr_location *al) |
6a6daec2 | 872 | { |
df919b40 AH |
873 | struct tables *tables = &tables_global; |
874 | ||
6a6daec2 FT |
875 | switch (evsel->attr.type) { |
876 | case PERF_TYPE_TRACEPOINT: | |
f9d5d549 | 877 | python_process_tracepoint(sample, evsel, al); |
6a6daec2 FT |
878 | break; |
879 | /* Reserve for future process_hw/sw/raw APIs */ | |
880 | default: | |
df919b40 | 881 | if (tables->db_export_mode) |
7327259d | 882 | db_export__sample(&tables->dbe, event, sample, evsel, al); |
df919b40 | 883 | else |
f9d5d549 | 884 | python_process_general_event(sample, evsel, al); |
6a6daec2 FT |
885 | } |
886 | } | |
887 | ||
aef90263 JO |
888 | static void get_handler_name(char *str, size_t size, |
889 | struct perf_evsel *evsel) | |
890 | { | |
891 | char *p = str; | |
892 | ||
893 | scnprintf(str, size, "stat__%s", perf_evsel__name(evsel)); | |
894 | ||
895 | while ((p = strchr(p, ':'))) { | |
896 | *p = '_'; | |
897 | p++; | |
898 | } | |
899 | } | |
900 | ||
901 | static void | |
902 | process_stat(struct perf_evsel *counter, int cpu, int thread, u64 tstamp, | |
903 | struct perf_counts_values *count) | |
904 | { | |
905 | PyObject *handler, *t; | |
906 | static char handler_name[256]; | |
907 | int n = 0; | |
908 | ||
909 | t = PyTuple_New(MAX_FIELDS); | |
910 | if (!t) | |
911 | Py_FatalError("couldn't create Python tuple"); | |
912 | ||
913 | get_handler_name(handler_name, sizeof(handler_name), | |
914 | counter); | |
915 | ||
916 | handler = get_handler(handler_name); | |
917 | if (!handler) { | |
918 | pr_debug("can't find python handler %s\n", handler_name); | |
919 | return; | |
920 | } | |
921 | ||
922 | PyTuple_SetItem(t, n++, PyInt_FromLong(cpu)); | |
923 | PyTuple_SetItem(t, n++, PyInt_FromLong(thread)); | |
924 | ||
925 | tuple_set_u64(t, n++, tstamp); | |
926 | tuple_set_u64(t, n++, count->val); | |
927 | tuple_set_u64(t, n++, count->ena); | |
928 | tuple_set_u64(t, n++, count->run); | |
929 | ||
930 | if (_PyTuple_Resize(&t, n) == -1) | |
931 | Py_FatalError("error resizing Python tuple"); | |
932 | ||
933 | call_object(handler, t, handler_name); | |
934 | ||
935 | Py_DECREF(t); | |
936 | } | |
937 | ||
938 | static void python_process_stat(struct perf_stat_config *config, | |
939 | struct perf_evsel *counter, u64 tstamp) | |
940 | { | |
941 | struct thread_map *threads = counter->threads; | |
942 | struct cpu_map *cpus = counter->cpus; | |
943 | int cpu, thread; | |
944 | ||
945 | if (config->aggr_mode == AGGR_GLOBAL) { | |
946 | process_stat(counter, -1, -1, tstamp, | |
947 | &counter->counts->aggr); | |
948 | return; | |
949 | } | |
950 | ||
951 | for (thread = 0; thread < threads->nr; thread++) { | |
952 | for (cpu = 0; cpu < cpus->nr; cpu++) { | |
953 | process_stat(counter, cpus->map[cpu], | |
954 | thread_map__pid(threads, thread), tstamp, | |
955 | perf_counts(counter->counts, cpu, thread)); | |
956 | } | |
957 | } | |
958 | } | |
959 | ||
960 | static void python_process_stat_interval(u64 tstamp) | |
961 | { | |
962 | PyObject *handler, *t; | |
963 | static const char handler_name[] = "stat__interval"; | |
964 | int n = 0; | |
965 | ||
966 | t = PyTuple_New(MAX_FIELDS); | |
967 | if (!t) | |
968 | Py_FatalError("couldn't create Python tuple"); | |
969 | ||
970 | handler = get_handler(handler_name); | |
971 | if (!handler) { | |
972 | pr_debug("can't find python handler %s\n", handler_name); | |
973 | return; | |
974 | } | |
975 | ||
976 | tuple_set_u64(t, n++, tstamp); | |
977 | ||
978 | if (_PyTuple_Resize(&t, n) == -1) | |
979 | Py_FatalError("error resizing Python tuple"); | |
980 | ||
981 | call_object(handler, t, handler_name); | |
982 | ||
983 | Py_DECREF(t); | |
984 | } | |
985 | ||
7e4b21b8 TZ |
986 | static int run_start_sub(void) |
987 | { | |
7e4b21b8 TZ |
988 | main_module = PyImport_AddModule("__main__"); |
989 | if (main_module == NULL) | |
990 | return -1; | |
991 | Py_INCREF(main_module); | |
992 | ||
993 | main_dict = PyModule_GetDict(main_module); | |
a5563edf | 994 | if (main_dict == NULL) |
7e4b21b8 | 995 | goto error; |
7e4b21b8 TZ |
996 | Py_INCREF(main_dict); |
997 | ||
a5563edf | 998 | try_call_object("trace_begin", NULL); |
7e4b21b8 | 999 | |
a5563edf | 1000 | return 0; |
7e4b21b8 | 1001 | |
7e4b21b8 TZ |
1002 | error: |
1003 | Py_XDECREF(main_dict); | |
1004 | Py_XDECREF(main_module); | |
a5563edf | 1005 | return -1; |
7e4b21b8 TZ |
1006 | } |
1007 | ||
df919b40 AH |
1008 | #define SET_TABLE_HANDLER_(name, handler_name, table_name) do { \ |
1009 | tables->handler_name = get_handler(#table_name); \ | |
1010 | if (tables->handler_name) \ | |
1011 | tables->dbe.export_ ## name = python_export_ ## name; \ | |
1012 | } while (0) | |
1013 | ||
1014 | #define SET_TABLE_HANDLER(name) \ | |
1015 | SET_TABLE_HANDLER_(name, name ## _handler, name ## _table) | |
1016 | ||
1017 | static void set_table_handlers(struct tables *tables) | |
1018 | { | |
1019 | const char *perf_db_export_mode = "perf_db_export_mode"; | |
6a70307d | 1020 | const char *perf_db_export_calls = "perf_db_export_calls"; |
2c15f5eb CP |
1021 | const char *perf_db_export_callchains = "perf_db_export_callchains"; |
1022 | PyObject *db_export_mode, *db_export_calls, *db_export_callchains; | |
6a70307d | 1023 | bool export_calls = false; |
2c15f5eb | 1024 | bool export_callchains = false; |
df919b40 AH |
1025 | int ret; |
1026 | ||
1027 | memset(tables, 0, sizeof(struct tables)); | |
1028 | if (db_export__init(&tables->dbe)) | |
1029 | Py_FatalError("failed to initialize export"); | |
1030 | ||
1031 | db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode); | |
1032 | if (!db_export_mode) | |
1033 | return; | |
1034 | ||
1035 | ret = PyObject_IsTrue(db_export_mode); | |
1036 | if (ret == -1) | |
1037 | handler_call_die(perf_db_export_mode); | |
1038 | if (!ret) | |
1039 | return; | |
1040 | ||
2c15f5eb | 1041 | /* handle export calls */ |
6a70307d AH |
1042 | tables->dbe.crp = NULL; |
1043 | db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls); | |
1044 | if (db_export_calls) { | |
1045 | ret = PyObject_IsTrue(db_export_calls); | |
1046 | if (ret == -1) | |
1047 | handler_call_die(perf_db_export_calls); | |
1048 | export_calls = !!ret; | |
1049 | } | |
1050 | ||
1051 | if (export_calls) { | |
1052 | tables->dbe.crp = | |
1053 | call_return_processor__new(python_process_call_return, | |
1054 | &tables->dbe); | |
1055 | if (!tables->dbe.crp) | |
1056 | Py_FatalError("failed to create calls processor"); | |
1057 | } | |
1058 | ||
2c15f5eb CP |
1059 | /* handle export callchains */ |
1060 | tables->dbe.cpr = NULL; | |
1061 | db_export_callchains = PyDict_GetItemString(main_dict, | |
1062 | perf_db_export_callchains); | |
1063 | if (db_export_callchains) { | |
1064 | ret = PyObject_IsTrue(db_export_callchains); | |
1065 | if (ret == -1) | |
1066 | handler_call_die(perf_db_export_callchains); | |
1067 | export_callchains = !!ret; | |
1068 | } | |
1069 | ||
1070 | if (export_callchains) { | |
1071 | /* | |
1072 | * Attempt to use the call path root from the call return | |
1073 | * processor, if the call return processor is in use. Otherwise, | |
1074 | * we allocate a new call path root. This prevents exporting | |
1075 | * duplicate call path ids when both are in use simultaniously. | |
1076 | */ | |
1077 | if (tables->dbe.crp) | |
1078 | tables->dbe.cpr = tables->dbe.crp->cpr; | |
1079 | else | |
1080 | tables->dbe.cpr = call_path_root__new(); | |
1081 | ||
1082 | if (!tables->dbe.cpr) | |
aff63340 | 1083 | Py_FatalError("failed to create call path root"); |
2c15f5eb CP |
1084 | } |
1085 | ||
df919b40 AH |
1086 | tables->db_export_mode = true; |
1087 | /* | |
1088 | * Reserve per symbol space for symbol->db_id via symbol__priv() | |
1089 | */ | |
1090 | symbol_conf.priv_size = sizeof(u64); | |
1091 | ||
1092 | SET_TABLE_HANDLER(evsel); | |
1093 | SET_TABLE_HANDLER(machine); | |
1094 | SET_TABLE_HANDLER(thread); | |
1095 | SET_TABLE_HANDLER(comm); | |
1096 | SET_TABLE_HANDLER(comm_thread); | |
1097 | SET_TABLE_HANDLER(dso); | |
1098 | SET_TABLE_HANDLER(symbol); | |
c29414f5 | 1099 | SET_TABLE_HANDLER(branch_type); |
df919b40 | 1100 | SET_TABLE_HANDLER(sample); |
6a70307d AH |
1101 | SET_TABLE_HANDLER(call_path); |
1102 | SET_TABLE_HANDLER(call_return); | |
df919b40 AH |
1103 | } |
1104 | ||
7e4b21b8 TZ |
1105 | /* |
1106 | * Start trace script | |
1107 | */ | |
1108 | static int python_start_script(const char *script, int argc, const char **argv) | |
1109 | { | |
df919b40 | 1110 | struct tables *tables = &tables_global; |
7e4b21b8 TZ |
1111 | const char **command_line; |
1112 | char buf[PATH_MAX]; | |
1113 | int i, err = 0; | |
1114 | FILE *fp; | |
1115 | ||
1116 | command_line = malloc((argc + 1) * sizeof(const char *)); | |
1117 | command_line[0] = script; | |
1118 | for (i = 1; i < argc + 1; i++) | |
1119 | command_line[i] = argv[i - 1]; | |
1120 | ||
1121 | Py_Initialize(); | |
1122 | ||
1123 | initperf_trace_context(); | |
1124 | ||
1125 | PySys_SetArgv(argc + 1, (char **)command_line); | |
1126 | ||
1127 | fp = fopen(script, "r"); | |
1128 | if (!fp) { | |
1129 | sprintf(buf, "Can't open python script \"%s\"", script); | |
1130 | perror(buf); | |
1131 | err = -1; | |
1132 | goto error; | |
1133 | } | |
1134 | ||
1135 | err = PyRun_SimpleFile(fp, script); | |
1136 | if (err) { | |
1137 | fprintf(stderr, "Error running python script %s\n", script); | |
1138 | goto error; | |
1139 | } | |
1140 | ||
1141 | err = run_start_sub(); | |
1142 | if (err) { | |
1143 | fprintf(stderr, "Error starting python script %s\n", script); | |
1144 | goto error; | |
1145 | } | |
1146 | ||
df919b40 AH |
1147 | set_table_handlers(tables); |
1148 | ||
c29414f5 AH |
1149 | if (tables->db_export_mode) { |
1150 | err = db_export__branch_types(&tables->dbe); | |
1151 | if (err) | |
1152 | goto error; | |
1153 | } | |
1154 | ||
979ac257 CIK |
1155 | free(command_line); |
1156 | ||
7e4b21b8 TZ |
1157 | return err; |
1158 | error: | |
1159 | Py_Finalize(); | |
1160 | free(command_line); | |
1161 | ||
1162 | return err; | |
1163 | } | |
1164 | ||
d445dd2a AH |
1165 | static int python_flush_script(void) |
1166 | { | |
758008b2 AH |
1167 | struct tables *tables = &tables_global; |
1168 | ||
1169 | return db_export__flush(&tables->dbe); | |
d445dd2a AH |
1170 | } |
1171 | ||
7e4b21b8 TZ |
1172 | /* |
1173 | * Stop trace script | |
1174 | */ | |
1175 | static int python_stop_script(void) | |
1176 | { | |
df919b40 AH |
1177 | struct tables *tables = &tables_global; |
1178 | ||
a5563edf | 1179 | try_call_object("trace_end", NULL); |
7e4b21b8 | 1180 | |
df919b40 AH |
1181 | db_export__exit(&tables->dbe); |
1182 | ||
7e4b21b8 TZ |
1183 | Py_XDECREF(main_dict); |
1184 | Py_XDECREF(main_module); | |
1185 | Py_Finalize(); | |
1186 | ||
a5563edf | 1187 | return 0; |
7e4b21b8 TZ |
1188 | } |
1189 | ||
da378962 | 1190 | static int python_generate_script(struct pevent *pevent, const char *outfile) |
7e4b21b8 | 1191 | { |
aaf045f7 | 1192 | struct event_format *event = NULL; |
7e4b21b8 TZ |
1193 | struct format_field *f; |
1194 | char fname[PATH_MAX]; | |
1195 | int not_first, count; | |
1196 | FILE *ofp; | |
1197 | ||
1198 | sprintf(fname, "%s.py", outfile); | |
1199 | ofp = fopen(fname, "w"); | |
1200 | if (ofp == NULL) { | |
1201 | fprintf(stderr, "couldn't open %s\n", fname); | |
1202 | return -1; | |
1203 | } | |
133dc4c3 IM |
1204 | fprintf(ofp, "# perf script event handlers, " |
1205 | "generated by perf script -g python\n"); | |
7e4b21b8 TZ |
1206 | |
1207 | fprintf(ofp, "# Licensed under the terms of the GNU GPL" | |
1208 | " License version 2\n\n"); | |
1209 | ||
1210 | fprintf(ofp, "# The common_* event handler fields are the most useful " | |
1211 | "fields common to\n"); | |
1212 | ||
1213 | fprintf(ofp, "# all events. They don't necessarily correspond to " | |
1214 | "the 'common_*' fields\n"); | |
1215 | ||
1216 | fprintf(ofp, "# in the format files. Those fields not available as " | |
1217 | "handler params can\n"); | |
1218 | ||
1219 | fprintf(ofp, "# be retrieved using Python functions of the form " | |
1220 | "common_*(context).\n"); | |
1221 | ||
c76132dc | 1222 | fprintf(ofp, "# See the perf-script-python Documentation for the list " |
7e4b21b8 TZ |
1223 | "of available functions.\n\n"); |
1224 | ||
1225 | fprintf(ofp, "import os\n"); | |
1226 | fprintf(ofp, "import sys\n\n"); | |
1227 | ||
1228 | fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n"); | |
1229 | fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n"); | |
1230 | fprintf(ofp, "\nfrom perf_trace_context import *\n"); | |
1231 | fprintf(ofp, "from Core import *\n\n\n"); | |
1232 | ||
1233 | fprintf(ofp, "def trace_begin():\n"); | |
1234 | fprintf(ofp, "\tprint \"in trace_begin\"\n\n"); | |
1235 | ||
1236 | fprintf(ofp, "def trace_end():\n"); | |
1237 | fprintf(ofp, "\tprint \"in trace_end\"\n\n"); | |
1238 | ||
da378962 | 1239 | while ((event = trace_find_next_event(pevent, event))) { |
7e4b21b8 TZ |
1240 | fprintf(ofp, "def %s__%s(", event->system, event->name); |
1241 | fprintf(ofp, "event_name, "); | |
1242 | fprintf(ofp, "context, "); | |
1243 | fprintf(ofp, "common_cpu,\n"); | |
1244 | fprintf(ofp, "\tcommon_secs, "); | |
1245 | fprintf(ofp, "common_nsecs, "); | |
1246 | fprintf(ofp, "common_pid, "); | |
1247 | fprintf(ofp, "common_comm,\n\t"); | |
0f5f5bcd | 1248 | fprintf(ofp, "common_callchain, "); |
7e4b21b8 TZ |
1249 | |
1250 | not_first = 0; | |
1251 | count = 0; | |
1252 | ||
1253 | for (f = event->format.fields; f; f = f->next) { | |
1254 | if (not_first++) | |
1255 | fprintf(ofp, ", "); | |
1256 | if (++count % 5 == 0) | |
1257 | fprintf(ofp, "\n\t"); | |
1258 | ||
1259 | fprintf(ofp, "%s", f->name); | |
1260 | } | |
1261 | fprintf(ofp, "):\n"); | |
1262 | ||
1263 | fprintf(ofp, "\t\tprint_header(event_name, common_cpu, " | |
1264 | "common_secs, common_nsecs,\n\t\t\t" | |
1265 | "common_pid, common_comm)\n\n"); | |
1266 | ||
1267 | fprintf(ofp, "\t\tprint \""); | |
1268 | ||
1269 | not_first = 0; | |
1270 | count = 0; | |
1271 | ||
1272 | for (f = event->format.fields; f; f = f->next) { | |
1273 | if (not_first++) | |
1274 | fprintf(ofp, ", "); | |
1275 | if (count && count % 3 == 0) { | |
1276 | fprintf(ofp, "\" \\\n\t\t\""); | |
1277 | } | |
1278 | count++; | |
1279 | ||
1280 | fprintf(ofp, "%s=", f->name); | |
1281 | if (f->flags & FIELD_IS_STRING || | |
1282 | f->flags & FIELD_IS_FLAG || | |
e646fe73 | 1283 | f->flags & FIELD_IS_ARRAY || |
7e4b21b8 TZ |
1284 | f->flags & FIELD_IS_SYMBOLIC) |
1285 | fprintf(ofp, "%%s"); | |
1286 | else if (f->flags & FIELD_IS_SIGNED) | |
1287 | fprintf(ofp, "%%d"); | |
1288 | else | |
1289 | fprintf(ofp, "%%u"); | |
1290 | } | |
1291 | ||
0f5f5bcd | 1292 | fprintf(ofp, "\" %% \\\n\t\t("); |
7e4b21b8 TZ |
1293 | |
1294 | not_first = 0; | |
1295 | count = 0; | |
1296 | ||
1297 | for (f = event->format.fields; f; f = f->next) { | |
1298 | if (not_first++) | |
1299 | fprintf(ofp, ", "); | |
1300 | ||
1301 | if (++count % 5 == 0) | |
1302 | fprintf(ofp, "\n\t\t"); | |
1303 | ||
1304 | if (f->flags & FIELD_IS_FLAG) { | |
1305 | if ((count - 1) % 5 != 0) { | |
1306 | fprintf(ofp, "\n\t\t"); | |
1307 | count = 4; | |
1308 | } | |
1309 | fprintf(ofp, "flag_str(\""); | |
1310 | fprintf(ofp, "%s__%s\", ", event->system, | |
1311 | event->name); | |
1312 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1313 | f->name); | |
1314 | } else if (f->flags & FIELD_IS_SYMBOLIC) { | |
1315 | if ((count - 1) % 5 != 0) { | |
1316 | fprintf(ofp, "\n\t\t"); | |
1317 | count = 4; | |
1318 | } | |
1319 | fprintf(ofp, "symbol_str(\""); | |
1320 | fprintf(ofp, "%s__%s\", ", event->system, | |
1321 | event->name); | |
1322 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1323 | f->name); | |
1324 | } else | |
1325 | fprintf(ofp, "%s", f->name); | |
1326 | } | |
1327 | ||
0f5f5bcd JS |
1328 | fprintf(ofp, ")\n\n"); |
1329 | ||
1330 | fprintf(ofp, "\t\tfor node in common_callchain:"); | |
1331 | fprintf(ofp, "\n\t\t\tif 'sym' in node:"); | |
1332 | fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])"); | |
1333 | fprintf(ofp, "\n\t\t\telse:"); | |
1334 | fprintf(ofp, "\n\t\t\t\tprint \"\t[%%x]\" %% (node['ip'])\n\n"); | |
1335 | fprintf(ofp, "\t\tprint \"\\n\"\n\n"); | |
1336 | ||
7e4b21b8 TZ |
1337 | } |
1338 | ||
1339 | fprintf(ofp, "def trace_unhandled(event_name, context, " | |
c0251485 | 1340 | "event_fields_dict):\n"); |
7e4b21b8 | 1341 | |
c0251485 PT |
1342 | fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))" |
1343 | "for k,v in sorted(event_fields_dict.items())])\n\n"); | |
7e4b21b8 TZ |
1344 | |
1345 | fprintf(ofp, "def print_header(" | |
1346 | "event_name, cpu, secs, nsecs, pid, comm):\n" | |
1347 | "\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t" | |
1348 | "(event_name, cpu, secs, nsecs, pid, comm),\n"); | |
1349 | ||
1350 | fclose(ofp); | |
1351 | ||
1352 | fprintf(stderr, "generated Python script: %s\n", fname); | |
1353 | ||
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | struct scripting_ops python_scripting_ops = { | |
aef90263 JO |
1358 | .name = "Python", |
1359 | .start_script = python_start_script, | |
1360 | .flush_script = python_flush_script, | |
1361 | .stop_script = python_stop_script, | |
1362 | .process_event = python_process_event, | |
1363 | .process_stat = python_process_stat, | |
1364 | .process_stat_interval = python_process_stat_interval, | |
1365 | .generate_script = python_generate_script, | |
7e4b21b8 | 1366 | }; |