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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> |
6c346643 | 31 | #include <linux/compiler.h> |
bd48c63e | 32 | #include <linux/time64.h> |
7e4b21b8 TZ |
33 | |
34 | #include "../../perf.h" | |
84f5d36f | 35 | #include "../debug.h" |
8f651eae | 36 | #include "../callchain.h" |
fcf65bf1 | 37 | #include "../evsel.h" |
7e4b21b8 | 38 | #include "../util.h" |
743eb868 ACM |
39 | #include "../event.h" |
40 | #include "../thread.h" | |
df919b40 AH |
41 | #include "../comm.h" |
42 | #include "../machine.h" | |
43 | #include "../db-export.h" | |
6a70307d | 44 | #include "../thread-stack.h" |
7e4b21b8 | 45 | #include "../trace-event.h" |
451db126 | 46 | #include "../call-path.h" |
1101f69a | 47 | #include "map.h" |
daecf9e0 | 48 | #include "symbol.h" |
aef90263 JO |
49 | #include "thread_map.h" |
50 | #include "cpumap.h" | |
fea01392 | 51 | #include "print_binary.h" |
aef90263 | 52 | #include "stat.h" |
48a1f565 | 53 | #include "mem-events.h" |
7e4b21b8 | 54 | |
66dfdff0 JŠ |
55 | #if PY_MAJOR_VERSION < 3 |
56 | #define _PyUnicode_FromString(arg) \ | |
57 | PyString_FromString(arg) | |
58 | #define _PyUnicode_FromStringAndSize(arg1, arg2) \ | |
59 | PyString_FromStringAndSize((arg1), (arg2)) | |
60 | #define _PyBytes_FromStringAndSize(arg1, arg2) \ | |
61 | PyString_FromStringAndSize((arg1), (arg2)) | |
62 | #define _PyLong_FromLong(arg) \ | |
63 | PyInt_FromLong(arg) | |
64 | #define _PyLong_AsLong(arg) \ | |
65 | PyInt_AsLong(arg) | |
66 | #define _PyCapsule_New(arg1, arg2, arg3) \ | |
67 | PyCObject_FromVoidPtr((arg1), (arg2)) | |
68 | ||
7e4b21b8 | 69 | PyMODINIT_FUNC initperf_trace_context(void); |
66dfdff0 JŠ |
70 | #else |
71 | #define _PyUnicode_FromString(arg) \ | |
72 | PyUnicode_FromString(arg) | |
73 | #define _PyUnicode_FromStringAndSize(arg1, arg2) \ | |
74 | PyUnicode_FromStringAndSize((arg1), (arg2)) | |
75 | #define _PyBytes_FromStringAndSize(arg1, arg2) \ | |
76 | PyBytes_FromStringAndSize((arg1), (arg2)) | |
77 | #define _PyLong_FromLong(arg) \ | |
78 | PyLong_FromLong(arg) | |
79 | #define _PyLong_AsLong(arg) \ | |
80 | PyLong_AsLong(arg) | |
81 | #define _PyCapsule_New(arg1, arg2, arg3) \ | |
82 | PyCapsule_New((arg1), (arg2), (arg3)) | |
83 | ||
84 | PyMODINIT_FUNC PyInit_perf_trace_context(void); | |
85 | #endif | |
7e4b21b8 | 86 | |
609a7404 | 87 | #define TRACE_EVENT_TYPE_MAX \ |
7e4b21b8 TZ |
88 | ((1 << (sizeof(unsigned short) * 8)) - 1) |
89 | ||
609a7404 | 90 | static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX); |
7e4b21b8 TZ |
91 | |
92 | #define MAX_FIELDS 64 | |
93 | #define N_COMMON_FIELDS 7 | |
94 | ||
95 | extern struct scripting_context *scripting_context; | |
96 | ||
97 | static char *cur_field_name; | |
98 | static int zero_flag_atom; | |
99 | ||
100 | static PyObject *main_module, *main_dict; | |
101 | ||
df919b40 AH |
102 | struct tables { |
103 | struct db_export dbe; | |
104 | PyObject *evsel_handler; | |
105 | PyObject *machine_handler; | |
106 | PyObject *thread_handler; | |
107 | PyObject *comm_handler; | |
108 | PyObject *comm_thread_handler; | |
109 | PyObject *dso_handler; | |
110 | PyObject *symbol_handler; | |
c29414f5 | 111 | PyObject *branch_type_handler; |
df919b40 | 112 | PyObject *sample_handler; |
6a70307d AH |
113 | PyObject *call_path_handler; |
114 | PyObject *call_return_handler; | |
df919b40 AH |
115 | bool db_export_mode; |
116 | }; | |
117 | ||
118 | static struct tables tables_global; | |
119 | ||
6c346643 | 120 | static void handler_call_die(const char *handler_name) __noreturn; |
7e4b21b8 TZ |
121 | static void handler_call_die(const char *handler_name) |
122 | { | |
123 | PyErr_Print(); | |
124 | Py_FatalError("problem in Python trace event handler"); | |
05f832e3 JS |
125 | // Py_FatalError does not return |
126 | // but we have to make the compiler happy | |
127 | abort(); | |
7e4b21b8 TZ |
128 | } |
129 | ||
c0268e8d JS |
130 | /* |
131 | * Insert val into into the dictionary and decrement the reference counter. | |
48000a1a | 132 | * This is necessary for dictionaries since PyDict_SetItemString() does not |
c0268e8d JS |
133 | * steal a reference, as opposed to PyTuple_SetItem(). |
134 | */ | |
135 | static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val) | |
136 | { | |
137 | PyDict_SetItemString(dict, key, val); | |
138 | Py_DECREF(val); | |
139 | } | |
140 | ||
a5563edf AH |
141 | static PyObject *get_handler(const char *handler_name) |
142 | { | |
143 | PyObject *handler; | |
144 | ||
145 | handler = PyDict_GetItemString(main_dict, handler_name); | |
146 | if (handler && !PyCallable_Check(handler)) | |
147 | return NULL; | |
148 | return handler; | |
149 | } | |
150 | ||
f38d2816 AK |
151 | static int get_argument_count(PyObject *handler) |
152 | { | |
153 | int arg_count = 0; | |
154 | ||
155 | /* | |
156 | * The attribute for the code object is func_code in Python 2, | |
157 | * whereas it is __code__ in Python 3.0+. | |
158 | */ | |
159 | PyObject *code_obj = PyObject_GetAttrString(handler, | |
160 | "func_code"); | |
161 | if (PyErr_Occurred()) { | |
162 | PyErr_Clear(); | |
163 | code_obj = PyObject_GetAttrString(handler, | |
164 | "__code__"); | |
165 | } | |
166 | PyErr_Clear(); | |
167 | if (code_obj) { | |
168 | PyObject *arg_count_obj = PyObject_GetAttrString(code_obj, | |
169 | "co_argcount"); | |
170 | if (arg_count_obj) { | |
66dfdff0 | 171 | arg_count = (int) _PyLong_AsLong(arg_count_obj); |
f38d2816 AK |
172 | Py_DECREF(arg_count_obj); |
173 | } | |
174 | Py_DECREF(code_obj); | |
175 | } | |
176 | return arg_count; | |
177 | } | |
178 | ||
a5563edf AH |
179 | static void call_object(PyObject *handler, PyObject *args, const char *die_msg) |
180 | { | |
181 | PyObject *retval; | |
182 | ||
183 | retval = PyObject_CallObject(handler, args); | |
184 | if (retval == NULL) | |
185 | handler_call_die(die_msg); | |
186 | Py_DECREF(retval); | |
187 | } | |
188 | ||
189 | static void try_call_object(const char *handler_name, PyObject *args) | |
190 | { | |
191 | PyObject *handler; | |
192 | ||
193 | handler = get_handler(handler_name); | |
194 | if (handler) | |
195 | call_object(handler, args, handler_name); | |
196 | } | |
197 | ||
1e97216f | 198 | static void define_value(enum tep_print_arg_type field_type, |
7e4b21b8 TZ |
199 | const char *ev_name, |
200 | const char *field_name, | |
201 | const char *field_value, | |
202 | const char *field_str) | |
203 | { | |
204 | const char *handler_name = "define_flag_value"; | |
a5563edf | 205 | PyObject *t; |
7e4b21b8 TZ |
206 | unsigned long long value; |
207 | unsigned n = 0; | |
208 | ||
1e97216f | 209 | if (field_type == TEP_PRINT_SYMBOL) |
7e4b21b8 TZ |
210 | handler_name = "define_symbolic_value"; |
211 | ||
44ad9cd8 | 212 | t = PyTuple_New(4); |
7e4b21b8 TZ |
213 | if (!t) |
214 | Py_FatalError("couldn't create Python tuple"); | |
215 | ||
216 | value = eval_flag(field_value); | |
217 | ||
66dfdff0 JŠ |
218 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(ev_name)); |
219 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_name)); | |
220 | PyTuple_SetItem(t, n++, _PyLong_FromLong(value)); | |
221 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_str)); | |
7e4b21b8 | 222 | |
a5563edf | 223 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
224 | |
225 | Py_DECREF(t); | |
226 | } | |
227 | ||
1e97216f | 228 | static void define_values(enum tep_print_arg_type field_type, |
5647f94b | 229 | struct tep_print_flag_sym *field, |
7e4b21b8 TZ |
230 | const char *ev_name, |
231 | const char *field_name) | |
232 | { | |
233 | define_value(field_type, ev_name, field_name, field->value, | |
234 | field->str); | |
235 | ||
236 | if (field->next) | |
237 | define_values(field_type, field->next, ev_name, field_name); | |
238 | } | |
239 | ||
1e97216f | 240 | static void define_field(enum tep_print_arg_type field_type, |
7e4b21b8 TZ |
241 | const char *ev_name, |
242 | const char *field_name, | |
243 | const char *delim) | |
244 | { | |
245 | const char *handler_name = "define_flag_field"; | |
a5563edf | 246 | PyObject *t; |
7e4b21b8 TZ |
247 | unsigned n = 0; |
248 | ||
1e97216f | 249 | if (field_type == TEP_PRINT_SYMBOL) |
7e4b21b8 TZ |
250 | handler_name = "define_symbolic_field"; |
251 | ||
1e97216f | 252 | if (field_type == TEP_PRINT_FLAGS) |
44ad9cd8 TZ |
253 | t = PyTuple_New(3); |
254 | else | |
255 | t = PyTuple_New(2); | |
7e4b21b8 TZ |
256 | if (!t) |
257 | Py_FatalError("couldn't create Python tuple"); | |
258 | ||
66dfdff0 JŠ |
259 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(ev_name)); |
260 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_name)); | |
1e97216f | 261 | if (field_type == TEP_PRINT_FLAGS) |
66dfdff0 | 262 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(delim)); |
7e4b21b8 | 263 | |
a5563edf | 264 | try_call_object(handler_name, t); |
7e4b21b8 TZ |
265 | |
266 | Py_DECREF(t); | |
267 | } | |
268 | ||
97fbf3f0 | 269 | static void define_event_symbols(struct tep_event *event, |
7e4b21b8 | 270 | const char *ev_name, |
5647f94b | 271 | struct tep_print_arg *args) |
7e4b21b8 | 272 | { |
8579aca3 TS |
273 | if (args == NULL) |
274 | return; | |
275 | ||
7e4b21b8 | 276 | switch (args->type) { |
1e97216f | 277 | case TEP_PRINT_NULL: |
7e4b21b8 | 278 | break; |
1e97216f TSV |
279 | case TEP_PRINT_ATOM: |
280 | define_value(TEP_PRINT_FLAGS, ev_name, cur_field_name, "0", | |
7e4b21b8 TZ |
281 | args->atom.atom); |
282 | zero_flag_atom = 0; | |
283 | break; | |
1e97216f | 284 | case TEP_PRINT_FIELD: |
f5385650 | 285 | free(cur_field_name); |
7e4b21b8 TZ |
286 | cur_field_name = strdup(args->field.name); |
287 | break; | |
1e97216f | 288 | case TEP_PRINT_FLAGS: |
7e4b21b8 | 289 | define_event_symbols(event, ev_name, args->flags.field); |
1e97216f | 290 | define_field(TEP_PRINT_FLAGS, ev_name, cur_field_name, |
7e4b21b8 | 291 | args->flags.delim); |
1e97216f | 292 | define_values(TEP_PRINT_FLAGS, args->flags.flags, ev_name, |
7e4b21b8 TZ |
293 | cur_field_name); |
294 | break; | |
1e97216f | 295 | case TEP_PRINT_SYMBOL: |
7e4b21b8 | 296 | define_event_symbols(event, ev_name, args->symbol.field); |
1e97216f TSV |
297 | define_field(TEP_PRINT_SYMBOL, ev_name, cur_field_name, NULL); |
298 | define_values(TEP_PRINT_SYMBOL, args->symbol.symbols, ev_name, | |
7e4b21b8 TZ |
299 | cur_field_name); |
300 | break; | |
1e97216f TSV |
301 | case TEP_PRINT_HEX: |
302 | case TEP_PRINT_HEX_STR: | |
e080e6f1 NK |
303 | define_event_symbols(event, ev_name, args->hex.field); |
304 | define_event_symbols(event, ev_name, args->hex.size); | |
305 | break; | |
1e97216f | 306 | case TEP_PRINT_INT_ARRAY: |
b839e1e8 JM |
307 | define_event_symbols(event, ev_name, args->int_array.field); |
308 | define_event_symbols(event, ev_name, args->int_array.count); | |
309 | define_event_symbols(event, ev_name, args->int_array.el_size); | |
310 | break; | |
1e97216f | 311 | case TEP_PRINT_STRING: |
7e4b21b8 | 312 | break; |
1e97216f | 313 | case TEP_PRINT_TYPE: |
7e4b21b8 TZ |
314 | define_event_symbols(event, ev_name, args->typecast.item); |
315 | break; | |
1e97216f | 316 | case TEP_PRINT_OP: |
7e4b21b8 TZ |
317 | if (strcmp(args->op.op, ":") == 0) |
318 | zero_flag_atom = 1; | |
319 | define_event_symbols(event, ev_name, args->op.left); | |
320 | define_event_symbols(event, ev_name, args->op.right); | |
321 | break; | |
322 | default: | |
aaf045f7 | 323 | /* gcc warns for these? */ |
1e97216f TSV |
324 | case TEP_PRINT_BSTRING: |
325 | case TEP_PRINT_DYNAMIC_ARRAY: | |
326 | case TEP_PRINT_DYNAMIC_ARRAY_LEN: | |
327 | case TEP_PRINT_FUNC: | |
328 | case TEP_PRINT_BITMASK: | |
7e4b21b8 TZ |
329 | /* we should warn... */ |
330 | return; | |
331 | } | |
332 | ||
333 | if (args->next) | |
334 | define_event_symbols(event, ev_name, args->next); | |
335 | } | |
336 | ||
97fbf3f0 | 337 | static PyObject *get_field_numeric_entry(struct tep_event *event, |
2c92f982 | 338 | struct tep_format_field *field, void *data) |
33058b94 | 339 | { |
bb39ccb2 | 340 | bool is_array = field->flags & TEP_FIELD_IS_ARRAY; |
39f54862 | 341 | PyObject *obj = NULL, *list = NULL; |
33058b94 | 342 | unsigned long long val; |
8ac631cd | 343 | unsigned int item_size, n_items, i; |
33058b94 | 344 | |
8ac631cd SAS |
345 | if (is_array) { |
346 | list = PyList_New(field->arraylen); | |
347 | item_size = field->size / field->arraylen; | |
348 | n_items = field->arraylen; | |
33058b94 | 349 | } else { |
8ac631cd SAS |
350 | item_size = field->size; |
351 | n_items = 1; | |
33058b94 | 352 | } |
8ac631cd SAS |
353 | |
354 | for (i = 0; i < n_items; i++) { | |
355 | ||
356 | val = read_size(event, data + field->offset + i * item_size, | |
357 | item_size); | |
bb39ccb2 | 358 | if (field->flags & TEP_FIELD_IS_SIGNED) { |
8ac631cd SAS |
359 | if ((long long)val >= LONG_MIN && |
360 | (long long)val <= LONG_MAX) | |
66dfdff0 | 361 | obj = _PyLong_FromLong(val); |
8ac631cd SAS |
362 | else |
363 | obj = PyLong_FromLongLong(val); | |
364 | } else { | |
365 | if (val <= LONG_MAX) | |
66dfdff0 | 366 | obj = _PyLong_FromLong(val); |
8ac631cd SAS |
367 | else |
368 | obj = PyLong_FromUnsignedLongLong(val); | |
369 | } | |
370 | if (is_array) | |
371 | PyList_SET_ITEM(list, i, obj); | |
372 | } | |
373 | if (is_array) | |
374 | obj = list; | |
33058b94 SAS |
375 | return obj; |
376 | } | |
377 | ||
5f9e0f31 JY |
378 | static const char *get_dsoname(struct map *map) |
379 | { | |
380 | const char *dsoname = "[unknown]"; | |
381 | ||
382 | if (map && map->dso) { | |
383 | if (symbol_conf.show_kernel_path && map->dso->long_name) | |
384 | dsoname = map->dso->long_name; | |
385 | else | |
386 | dsoname = map->dso->name; | |
387 | } | |
388 | ||
389 | return dsoname; | |
390 | } | |
0f5f5bcd JS |
391 | |
392 | static PyObject *python_process_callchain(struct perf_sample *sample, | |
393 | struct perf_evsel *evsel, | |
394 | struct addr_location *al) | |
395 | { | |
396 | PyObject *pylist; | |
397 | ||
398 | pylist = PyList_New(0); | |
399 | if (!pylist) | |
400 | Py_FatalError("couldn't create Python list"); | |
401 | ||
402 | if (!symbol_conf.use_callchain || !sample->callchain) | |
403 | goto exit; | |
404 | ||
91d7b2de | 405 | if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel, |
cc8b7c2b | 406 | sample, NULL, NULL, |
44cbe729 | 407 | scripting_max_stack) != 0) { |
0f5f5bcd JS |
408 | pr_err("Failed to resolve callchain. Skipping\n"); |
409 | goto exit; | |
410 | } | |
411 | callchain_cursor_commit(&callchain_cursor); | |
412 | ||
413 | ||
414 | while (1) { | |
415 | PyObject *pyelem; | |
416 | struct callchain_cursor_node *node; | |
417 | node = callchain_cursor_current(&callchain_cursor); | |
418 | if (!node) | |
419 | break; | |
420 | ||
421 | pyelem = PyDict_New(); | |
422 | if (!pyelem) | |
423 | Py_FatalError("couldn't create Python dictionary"); | |
424 | ||
425 | ||
426 | pydict_set_item_string_decref(pyelem, "ip", | |
427 | PyLong_FromUnsignedLongLong(node->ip)); | |
428 | ||
429 | if (node->sym) { | |
430 | PyObject *pysym = PyDict_New(); | |
431 | if (!pysym) | |
432 | Py_FatalError("couldn't create Python dictionary"); | |
433 | pydict_set_item_string_decref(pysym, "start", | |
434 | PyLong_FromUnsignedLongLong(node->sym->start)); | |
435 | pydict_set_item_string_decref(pysym, "end", | |
436 | PyLong_FromUnsignedLongLong(node->sym->end)); | |
437 | pydict_set_item_string_decref(pysym, "binding", | |
66dfdff0 | 438 | _PyLong_FromLong(node->sym->binding)); |
0f5f5bcd | 439 | pydict_set_item_string_decref(pysym, "name", |
66dfdff0 | 440 | _PyUnicode_FromStringAndSize(node->sym->name, |
0f5f5bcd JS |
441 | node->sym->namelen)); |
442 | pydict_set_item_string_decref(pyelem, "sym", pysym); | |
443 | } | |
444 | ||
445 | if (node->map) { | |
5f9e0f31 JY |
446 | const char *dsoname = get_dsoname(node->map); |
447 | ||
0f5f5bcd | 448 | pydict_set_item_string_decref(pyelem, "dso", |
66dfdff0 | 449 | _PyUnicode_FromString(dsoname)); |
0f5f5bcd JS |
450 | } |
451 | ||
452 | callchain_cursor_advance(&callchain_cursor); | |
453 | PyList_Append(pylist, pyelem); | |
454 | Py_DECREF(pyelem); | |
455 | } | |
456 | ||
457 | exit: | |
458 | return pylist; | |
459 | } | |
460 | ||
48a1f565 JY |
461 | static PyObject *python_process_brstack(struct perf_sample *sample, |
462 | struct thread *thread) | |
463 | { | |
464 | struct branch_stack *br = sample->branch_stack; | |
465 | PyObject *pylist; | |
466 | u64 i; | |
467 | ||
468 | pylist = PyList_New(0); | |
469 | if (!pylist) | |
470 | Py_FatalError("couldn't create Python list"); | |
471 | ||
472 | if (!(br && br->nr)) | |
473 | goto exit; | |
474 | ||
475 | for (i = 0; i < br->nr; i++) { | |
476 | PyObject *pyelem; | |
477 | struct addr_location al; | |
478 | const char *dsoname; | |
479 | ||
480 | pyelem = PyDict_New(); | |
481 | if (!pyelem) | |
482 | Py_FatalError("couldn't create Python dictionary"); | |
483 | ||
484 | pydict_set_item_string_decref(pyelem, "from", | |
485 | PyLong_FromUnsignedLongLong(br->entries[i].from)); | |
486 | pydict_set_item_string_decref(pyelem, "to", | |
487 | PyLong_FromUnsignedLongLong(br->entries[i].to)); | |
488 | pydict_set_item_string_decref(pyelem, "mispred", | |
489 | PyBool_FromLong(br->entries[i].flags.mispred)); | |
490 | pydict_set_item_string_decref(pyelem, "predicted", | |
491 | PyBool_FromLong(br->entries[i].flags.predicted)); | |
492 | pydict_set_item_string_decref(pyelem, "in_tx", | |
493 | PyBool_FromLong(br->entries[i].flags.in_tx)); | |
494 | pydict_set_item_string_decref(pyelem, "abort", | |
495 | PyBool_FromLong(br->entries[i].flags.abort)); | |
496 | pydict_set_item_string_decref(pyelem, "cycles", | |
497 | PyLong_FromUnsignedLongLong(br->entries[i].flags.cycles)); | |
498 | ||
692d0e63 AH |
499 | thread__find_map_fb(thread, sample->cpumode, |
500 | br->entries[i].from, &al); | |
48a1f565 JY |
501 | dsoname = get_dsoname(al.map); |
502 | pydict_set_item_string_decref(pyelem, "from_dsoname", | |
503 | _PyUnicode_FromString(dsoname)); | |
504 | ||
692d0e63 AH |
505 | thread__find_map_fb(thread, sample->cpumode, |
506 | br->entries[i].to, &al); | |
48a1f565 JY |
507 | dsoname = get_dsoname(al.map); |
508 | pydict_set_item_string_decref(pyelem, "to_dsoname", | |
509 | _PyUnicode_FromString(dsoname)); | |
510 | ||
511 | PyList_Append(pylist, pyelem); | |
512 | Py_DECREF(pyelem); | |
513 | } | |
514 | ||
515 | exit: | |
516 | return pylist; | |
517 | } | |
518 | ||
519 | static unsigned long get_offset(struct symbol *sym, struct addr_location *al) | |
520 | { | |
521 | unsigned long offset; | |
522 | ||
523 | if (al->addr < sym->end) | |
524 | offset = al->addr - sym->start; | |
525 | else | |
526 | offset = al->addr - al->map->start - sym->start; | |
527 | ||
528 | return offset; | |
529 | } | |
530 | ||
531 | static int get_symoff(struct symbol *sym, struct addr_location *al, | |
532 | bool print_off, char *bf, int size) | |
533 | { | |
534 | unsigned long offset; | |
535 | ||
536 | if (!sym || !sym->name[0]) | |
537 | return scnprintf(bf, size, "%s", "[unknown]"); | |
538 | ||
539 | if (!print_off) | |
540 | return scnprintf(bf, size, "%s", sym->name); | |
541 | ||
542 | offset = get_offset(sym, al); | |
543 | ||
544 | return scnprintf(bf, size, "%s+0x%x", sym->name, offset); | |
545 | } | |
546 | ||
547 | static int get_br_mspred(struct branch_flags *flags, char *bf, int size) | |
548 | { | |
549 | if (!flags->mispred && !flags->predicted) | |
550 | return scnprintf(bf, size, "%s", "-"); | |
551 | ||
552 | if (flags->mispred) | |
553 | return scnprintf(bf, size, "%s", "M"); | |
554 | ||
555 | return scnprintf(bf, size, "%s", "P"); | |
556 | } | |
557 | ||
558 | static PyObject *python_process_brstacksym(struct perf_sample *sample, | |
559 | struct thread *thread) | |
560 | { | |
561 | struct branch_stack *br = sample->branch_stack; | |
562 | PyObject *pylist; | |
563 | u64 i; | |
564 | char bf[512]; | |
565 | struct addr_location al; | |
566 | ||
567 | pylist = PyList_New(0); | |
568 | if (!pylist) | |
569 | Py_FatalError("couldn't create Python list"); | |
570 | ||
571 | if (!(br && br->nr)) | |
572 | goto exit; | |
573 | ||
574 | for (i = 0; i < br->nr; i++) { | |
575 | PyObject *pyelem; | |
576 | ||
577 | pyelem = PyDict_New(); | |
578 | if (!pyelem) | |
579 | Py_FatalError("couldn't create Python dictionary"); | |
580 | ||
692d0e63 AH |
581 | thread__find_symbol_fb(thread, sample->cpumode, |
582 | br->entries[i].from, &al); | |
48a1f565 JY |
583 | get_symoff(al.sym, &al, true, bf, sizeof(bf)); |
584 | pydict_set_item_string_decref(pyelem, "from", | |
585 | _PyUnicode_FromString(bf)); | |
586 | ||
692d0e63 AH |
587 | thread__find_symbol_fb(thread, sample->cpumode, |
588 | br->entries[i].to, &al); | |
48a1f565 JY |
589 | get_symoff(al.sym, &al, true, bf, sizeof(bf)); |
590 | pydict_set_item_string_decref(pyelem, "to", | |
591 | _PyUnicode_FromString(bf)); | |
592 | ||
593 | get_br_mspred(&br->entries[i].flags, bf, sizeof(bf)); | |
594 | pydict_set_item_string_decref(pyelem, "pred", | |
595 | _PyUnicode_FromString(bf)); | |
596 | ||
597 | if (br->entries[i].flags.in_tx) { | |
598 | pydict_set_item_string_decref(pyelem, "in_tx", | |
599 | _PyUnicode_FromString("X")); | |
600 | } else { | |
601 | pydict_set_item_string_decref(pyelem, "in_tx", | |
602 | _PyUnicode_FromString("-")); | |
603 | } | |
604 | ||
605 | if (br->entries[i].flags.abort) { | |
606 | pydict_set_item_string_decref(pyelem, "abort", | |
607 | _PyUnicode_FromString("A")); | |
608 | } else { | |
609 | pydict_set_item_string_decref(pyelem, "abort", | |
610 | _PyUnicode_FromString("-")); | |
611 | } | |
612 | ||
613 | PyList_Append(pylist, pyelem); | |
614 | Py_DECREF(pyelem); | |
615 | } | |
616 | ||
617 | exit: | |
618 | return pylist; | |
619 | } | |
620 | ||
74ec14f3 AK |
621 | static PyObject *get_sample_value_as_tuple(struct sample_read_value *value) |
622 | { | |
623 | PyObject *t; | |
624 | ||
625 | t = PyTuple_New(2); | |
626 | if (!t) | |
627 | Py_FatalError("couldn't create Python tuple"); | |
628 | PyTuple_SetItem(t, 0, PyLong_FromUnsignedLongLong(value->id)); | |
629 | PyTuple_SetItem(t, 1, PyLong_FromUnsignedLongLong(value->value)); | |
630 | return t; | |
631 | } | |
632 | ||
633 | static void set_sample_read_in_dict(PyObject *dict_sample, | |
634 | struct perf_sample *sample, | |
635 | struct perf_evsel *evsel) | |
636 | { | |
637 | u64 read_format = evsel->attr.read_format; | |
638 | PyObject *values; | |
639 | unsigned int i; | |
640 | ||
641 | if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { | |
642 | pydict_set_item_string_decref(dict_sample, "time_enabled", | |
643 | PyLong_FromUnsignedLongLong(sample->read.time_enabled)); | |
644 | } | |
645 | ||
646 | if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { | |
647 | pydict_set_item_string_decref(dict_sample, "time_running", | |
648 | PyLong_FromUnsignedLongLong(sample->read.time_running)); | |
649 | } | |
650 | ||
651 | if (read_format & PERF_FORMAT_GROUP) | |
652 | values = PyList_New(sample->read.group.nr); | |
653 | else | |
654 | values = PyList_New(1); | |
655 | ||
656 | if (!values) | |
657 | Py_FatalError("couldn't create Python list"); | |
658 | ||
659 | if (read_format & PERF_FORMAT_GROUP) { | |
660 | for (i = 0; i < sample->read.group.nr; i++) { | |
661 | PyObject *t = get_sample_value_as_tuple(&sample->read.group.values[i]); | |
662 | PyList_SET_ITEM(values, i, t); | |
663 | } | |
664 | } else { | |
665 | PyObject *t = get_sample_value_as_tuple(&sample->read.one); | |
666 | PyList_SET_ITEM(values, 0, t); | |
667 | } | |
668 | pydict_set_item_string_decref(dict_sample, "values", values); | |
669 | } | |
670 | ||
48a1f565 JY |
671 | static void set_sample_datasrc_in_dict(PyObject *dict, |
672 | struct perf_sample *sample) | |
673 | { | |
674 | struct mem_info mi = { .data_src.val = sample->data_src }; | |
675 | char decode[100]; | |
676 | ||
677 | pydict_set_item_string_decref(dict, "datasrc", | |
678 | PyLong_FromUnsignedLongLong(sample->data_src)); | |
679 | ||
680 | perf_script__meminfo_scnprintf(decode, 100, &mi); | |
681 | ||
682 | pydict_set_item_string_decref(dict, "datasrc_decode", | |
683 | _PyUnicode_FromString(decode)); | |
684 | } | |
685 | ||
686 | static int regs_map(struct regs_dump *regs, uint64_t mask, char *bf, int size) | |
687 | { | |
688 | unsigned int i = 0, r; | |
689 | int printed = 0; | |
690 | ||
691 | bf[0] = 0; | |
692 | ||
693 | for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { | |
694 | u64 val = regs->regs[i++]; | |
695 | ||
696 | printed += scnprintf(bf + printed, size - printed, | |
697 | "%5s:0x%" PRIx64 " ", | |
698 | perf_reg_name(r), val); | |
699 | } | |
700 | ||
701 | return printed; | |
702 | } | |
703 | ||
704 | static void set_regs_in_dict(PyObject *dict, | |
705 | struct perf_sample *sample, | |
706 | struct perf_evsel *evsel) | |
707 | { | |
708 | struct perf_event_attr *attr = &evsel->attr; | |
709 | char bf[512]; | |
710 | ||
711 | regs_map(&sample->intr_regs, attr->sample_regs_intr, bf, sizeof(bf)); | |
712 | ||
713 | pydict_set_item_string_decref(dict, "iregs", | |
714 | _PyUnicode_FromString(bf)); | |
715 | ||
716 | regs_map(&sample->user_regs, attr->sample_regs_user, bf, sizeof(bf)); | |
717 | ||
718 | pydict_set_item_string_decref(dict, "uregs", | |
719 | _PyUnicode_FromString(bf)); | |
720 | } | |
721 | ||
892e76b2 AK |
722 | static PyObject *get_perf_sample_dict(struct perf_sample *sample, |
723 | struct perf_evsel *evsel, | |
724 | struct addr_location *al, | |
725 | PyObject *callchain) | |
726 | { | |
48a1f565 | 727 | PyObject *dict, *dict_sample, *brstack, *brstacksym; |
892e76b2 AK |
728 | |
729 | dict = PyDict_New(); | |
730 | if (!dict) | |
731 | Py_FatalError("couldn't create Python dictionary"); | |
732 | ||
733 | dict_sample = PyDict_New(); | |
734 | if (!dict_sample) | |
735 | Py_FatalError("couldn't create Python dictionary"); | |
736 | ||
66dfdff0 | 737 | pydict_set_item_string_decref(dict, "ev_name", _PyUnicode_FromString(perf_evsel__name(evsel))); |
72e0b15c | 738 | pydict_set_item_string_decref(dict, "attr", _PyBytes_FromStringAndSize((const char *)&evsel->attr, sizeof(evsel->attr))); |
892e76b2 AK |
739 | |
740 | pydict_set_item_string_decref(dict_sample, "pid", | |
66dfdff0 | 741 | _PyLong_FromLong(sample->pid)); |
892e76b2 | 742 | pydict_set_item_string_decref(dict_sample, "tid", |
66dfdff0 | 743 | _PyLong_FromLong(sample->tid)); |
892e76b2 | 744 | pydict_set_item_string_decref(dict_sample, "cpu", |
66dfdff0 | 745 | _PyLong_FromLong(sample->cpu)); |
892e76b2 AK |
746 | pydict_set_item_string_decref(dict_sample, "ip", |
747 | PyLong_FromUnsignedLongLong(sample->ip)); | |
748 | pydict_set_item_string_decref(dict_sample, "time", | |
749 | PyLong_FromUnsignedLongLong(sample->time)); | |
750 | pydict_set_item_string_decref(dict_sample, "period", | |
751 | PyLong_FromUnsignedLongLong(sample->period)); | |
41013f0c KL |
752 | pydict_set_item_string_decref(dict_sample, "phys_addr", |
753 | PyLong_FromUnsignedLongLong(sample->phys_addr)); | |
943f32a0 LY |
754 | pydict_set_item_string_decref(dict_sample, "addr", |
755 | PyLong_FromUnsignedLongLong(sample->addr)); | |
74ec14f3 | 756 | set_sample_read_in_dict(dict_sample, sample, evsel); |
48a1f565 JY |
757 | pydict_set_item_string_decref(dict_sample, "weight", |
758 | PyLong_FromUnsignedLongLong(sample->weight)); | |
759 | pydict_set_item_string_decref(dict_sample, "transaction", | |
760 | PyLong_FromUnsignedLongLong(sample->transaction)); | |
761 | set_sample_datasrc_in_dict(dict_sample, sample); | |
892e76b2 AK |
762 | pydict_set_item_string_decref(dict, "sample", dict_sample); |
763 | ||
66dfdff0 | 764 | pydict_set_item_string_decref(dict, "raw_buf", _PyBytes_FromStringAndSize( |
892e76b2 AK |
765 | (const char *)sample->raw_data, sample->raw_size)); |
766 | pydict_set_item_string_decref(dict, "comm", | |
66dfdff0 | 767 | _PyUnicode_FromString(thread__comm_str(al->thread))); |
892e76b2 AK |
768 | if (al->map) { |
769 | pydict_set_item_string_decref(dict, "dso", | |
66dfdff0 | 770 | _PyUnicode_FromString(al->map->dso->name)); |
892e76b2 AK |
771 | } |
772 | if (al->sym) { | |
773 | pydict_set_item_string_decref(dict, "symbol", | |
66dfdff0 | 774 | _PyUnicode_FromString(al->sym->name)); |
892e76b2 AK |
775 | } |
776 | ||
777 | pydict_set_item_string_decref(dict, "callchain", callchain); | |
778 | ||
48a1f565 JY |
779 | brstack = python_process_brstack(sample, al->thread); |
780 | pydict_set_item_string_decref(dict, "brstack", brstack); | |
781 | ||
782 | brstacksym = python_process_brstacksym(sample, al->thread); | |
783 | pydict_set_item_string_decref(dict, "brstacksym", brstacksym); | |
784 | ||
785 | set_regs_in_dict(dict, sample, evsel); | |
786 | ||
892e76b2 AK |
787 | return dict; |
788 | } | |
789 | ||
b7fff6b5 ACM |
790 | static void python_process_tracepoint(struct perf_sample *sample, |
791 | struct perf_evsel *evsel, | |
b7fff6b5 | 792 | struct addr_location *al) |
7e4b21b8 | 793 | { |
97fbf3f0 | 794 | struct tep_event *event = evsel->tp_format; |
39f54862 | 795 | PyObject *handler, *context, *t, *obj = NULL, *callchain; |
f38d2816 | 796 | PyObject *dict = NULL, *all_entries_dict = NULL; |
7e4b21b8 | 797 | static char handler_name[256]; |
2c92f982 | 798 | struct tep_format_field *field; |
7e4b21b8 | 799 | unsigned long s, ns; |
7e4b21b8 | 800 | unsigned n = 0; |
7e4b21b8 | 801 | int pid; |
be6d842a DA |
802 | int cpu = sample->cpu; |
803 | void *data = sample->raw_data; | |
804 | unsigned long long nsecs = sample->time; | |
f9d5d549 | 805 | const char *comm = thread__comm_str(al->thread); |
e9f9a9ca | 806 | const char *default_handler_name = "trace_unhandled"; |
7e4b21b8 | 807 | |
62665dff ACM |
808 | if (!event) { |
809 | snprintf(handler_name, sizeof(handler_name), | |
810 | "ug! no event found for type %" PRIu64, (u64)evsel->attr.config); | |
811 | Py_FatalError(handler_name); | |
812 | } | |
7e4b21b8 | 813 | |
97822433 | 814 | pid = raw_field_value(event, "common_pid", data); |
7e4b21b8 TZ |
815 | |
816 | sprintf(handler_name, "%s__%s", event->system, event->name); | |
817 | ||
adf5bcf3 JO |
818 | if (!test_and_set_bit(event->id, events_defined)) |
819 | define_event_symbols(event, handler_name, event->print_fmt.args); | |
820 | ||
a5563edf | 821 | handler = get_handler(handler_name); |
c0251485 | 822 | if (!handler) { |
e9f9a9ca AK |
823 | handler = get_handler(default_handler_name); |
824 | if (!handler) | |
825 | return; | |
c0251485 PT |
826 | dict = PyDict_New(); |
827 | if (!dict) | |
828 | Py_FatalError("couldn't create Python dict"); | |
829 | } | |
e9f9a9ca AK |
830 | |
831 | t = PyTuple_New(MAX_FIELDS); | |
832 | if (!t) | |
833 | Py_FatalError("couldn't create Python tuple"); | |
834 | ||
835 | ||
bd48c63e ACM |
836 | s = nsecs / NSEC_PER_SEC; |
837 | ns = nsecs - s * NSEC_PER_SEC; | |
7e4b21b8 TZ |
838 | |
839 | scripting_context->event_data = data; | |
2de9533d | 840 | scripting_context->pevent = evsel->tp_format->pevent; |
7e4b21b8 | 841 | |
66dfdff0 | 842 | context = _PyCapsule_New(scripting_context, NULL, NULL); |
7e4b21b8 | 843 | |
66dfdff0 | 844 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(handler_name)); |
fb7d0b3c | 845 | PyTuple_SetItem(t, n++, context); |
7e4b21b8 | 846 | |
0f5f5bcd JS |
847 | /* ip unwinding */ |
848 | callchain = python_process_callchain(sample, evsel, al); | |
f38d2816 AK |
849 | /* Need an additional reference for the perf_sample dict */ |
850 | Py_INCREF(callchain); | |
0f5f5bcd | 851 | |
e9f9a9ca | 852 | if (!dict) { |
66dfdff0 JŠ |
853 | PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu)); |
854 | PyTuple_SetItem(t, n++, _PyLong_FromLong(s)); | |
855 | PyTuple_SetItem(t, n++, _PyLong_FromLong(ns)); | |
856 | PyTuple_SetItem(t, n++, _PyLong_FromLong(pid)); | |
857 | PyTuple_SetItem(t, n++, _PyUnicode_FromString(comm)); | |
0f5f5bcd | 858 | PyTuple_SetItem(t, n++, callchain); |
c0251485 | 859 | } else { |
66dfdff0 JŠ |
860 | pydict_set_item_string_decref(dict, "common_cpu", _PyLong_FromLong(cpu)); |
861 | pydict_set_item_string_decref(dict, "common_s", _PyLong_FromLong(s)); | |
862 | pydict_set_item_string_decref(dict, "common_ns", _PyLong_FromLong(ns)); | |
863 | pydict_set_item_string_decref(dict, "common_pid", _PyLong_FromLong(pid)); | |
864 | pydict_set_item_string_decref(dict, "common_comm", _PyUnicode_FromString(comm)); | |
0f5f5bcd | 865 | pydict_set_item_string_decref(dict, "common_callchain", callchain); |
c0251485 | 866 | } |
7e4b21b8 | 867 | for (field = event->format.fields; field; field = field->next) { |
249de6e0 JO |
868 | unsigned int offset, len; |
869 | unsigned long long val; | |
870 | ||
bb39ccb2 | 871 | if (field->flags & TEP_FIELD_IS_ARRAY) { |
249de6e0 JO |
872 | offset = field->offset; |
873 | len = field->size; | |
bb39ccb2 | 874 | if (field->flags & TEP_FIELD_IS_DYNAMIC) { |
59c1baee TSV |
875 | val = tep_read_number(scripting_context->pevent, |
876 | data + offset, len); | |
249de6e0 JO |
877 | offset = val; |
878 | len = offset >> 16; | |
7e4b21b8 | 879 | offset &= 0xffff; |
249de6e0 | 880 | } |
bb39ccb2 | 881 | if (field->flags & TEP_FIELD_IS_STRING && |
249de6e0 | 882 | is_printable_array(data + offset, len)) { |
66dfdff0 | 883 | obj = _PyUnicode_FromString((char *) data + offset); |
249de6e0 JO |
884 | } else { |
885 | obj = PyByteArray_FromStringAndSize((const char *) data + offset, len); | |
bb39ccb2 | 886 | field->flags &= ~TEP_FIELD_IS_STRING; |
249de6e0 | 887 | } |
7e4b21b8 | 888 | } else { /* FIELD_IS_NUMERIC */ |
33058b94 | 889 | obj = get_field_numeric_entry(event, field, data); |
7e4b21b8 | 890 | } |
e9f9a9ca | 891 | if (!dict) |
c0251485 PT |
892 | PyTuple_SetItem(t, n++, obj); |
893 | else | |
c0268e8d | 894 | pydict_set_item_string_decref(dict, field->name, obj); |
c0251485 | 895 | |
7e4b21b8 | 896 | } |
0f5f5bcd | 897 | |
e9f9a9ca | 898 | if (dict) |
c0251485 | 899 | PyTuple_SetItem(t, n++, dict); |
7e4b21b8 | 900 | |
f38d2816 AK |
901 | if (get_argument_count(handler) == (int) n + 1) { |
902 | all_entries_dict = get_perf_sample_dict(sample, evsel, al, | |
903 | callchain); | |
904 | PyTuple_SetItem(t, n++, all_entries_dict); | |
905 | } else { | |
906 | Py_DECREF(callchain); | |
907 | } | |
908 | ||
7e4b21b8 TZ |
909 | if (_PyTuple_Resize(&t, n) == -1) |
910 | Py_FatalError("error resizing Python tuple"); | |
911 | ||
db0ba84c | 912 | if (!dict) |
a5563edf | 913 | call_object(handler, t, handler_name); |
db0ba84c | 914 | else |
e9f9a9ca | 915 | call_object(handler, t, default_handler_name); |
7e4b21b8 TZ |
916 | |
917 | Py_DECREF(t); | |
918 | } | |
919 | ||
df919b40 AH |
920 | static PyObject *tuple_new(unsigned int sz) |
921 | { | |
922 | PyObject *t; | |
923 | ||
924 | t = PyTuple_New(sz); | |
925 | if (!t) | |
926 | Py_FatalError("couldn't create Python tuple"); | |
927 | return t; | |
928 | } | |
929 | ||
930 | static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val) | |
931 | { | |
932 | #if BITS_PER_LONG == 64 | |
66dfdff0 | 933 | return PyTuple_SetItem(t, pos, _PyLong_FromLong(val)); |
df919b40 AH |
934 | #endif |
935 | #if BITS_PER_LONG == 32 | |
936 | return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val)); | |
937 | #endif | |
938 | } | |
939 | ||
940 | static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val) | |
941 | { | |
66dfdff0 | 942 | return PyTuple_SetItem(t, pos, _PyLong_FromLong(val)); |
df919b40 AH |
943 | } |
944 | ||
945 | static int tuple_set_string(PyObject *t, unsigned int pos, const char *s) | |
946 | { | |
66dfdff0 | 947 | return PyTuple_SetItem(t, pos, _PyUnicode_FromString(s)); |
df919b40 AH |
948 | } |
949 | ||
950 | static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel) | |
951 | { | |
952 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
953 | PyObject *t; | |
954 | ||
955 | t = tuple_new(2); | |
956 | ||
957 | tuple_set_u64(t, 0, evsel->db_id); | |
958 | tuple_set_string(t, 1, perf_evsel__name(evsel)); | |
959 | ||
960 | call_object(tables->evsel_handler, t, "evsel_table"); | |
961 | ||
962 | Py_DECREF(t); | |
963 | ||
964 | return 0; | |
965 | } | |
966 | ||
967 | static int python_export_machine(struct db_export *dbe, | |
968 | struct machine *machine) | |
969 | { | |
970 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
971 | PyObject *t; | |
972 | ||
973 | t = tuple_new(3); | |
974 | ||
975 | tuple_set_u64(t, 0, machine->db_id); | |
976 | tuple_set_s32(t, 1, machine->pid); | |
977 | tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : ""); | |
978 | ||
979 | call_object(tables->machine_handler, t, "machine_table"); | |
980 | ||
981 | Py_DECREF(t); | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
986 | static int python_export_thread(struct db_export *dbe, struct thread *thread, | |
987 | u64 main_thread_db_id, struct machine *machine) | |
988 | { | |
989 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
990 | PyObject *t; | |
991 | ||
992 | t = tuple_new(5); | |
993 | ||
994 | tuple_set_u64(t, 0, thread->db_id); | |
995 | tuple_set_u64(t, 1, machine->db_id); | |
996 | tuple_set_u64(t, 2, main_thread_db_id); | |
997 | tuple_set_s32(t, 3, thread->pid_); | |
998 | tuple_set_s32(t, 4, thread->tid); | |
999 | ||
1000 | call_object(tables->thread_handler, t, "thread_table"); | |
1001 | ||
1002 | Py_DECREF(t); | |
1003 | ||
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | static int python_export_comm(struct db_export *dbe, struct comm *comm) | |
1008 | { | |
1009 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1010 | PyObject *t; | |
1011 | ||
1012 | t = tuple_new(2); | |
1013 | ||
1014 | tuple_set_u64(t, 0, comm->db_id); | |
1015 | tuple_set_string(t, 1, comm__str(comm)); | |
1016 | ||
1017 | call_object(tables->comm_handler, t, "comm_table"); | |
1018 | ||
1019 | Py_DECREF(t); | |
1020 | ||
1021 | return 0; | |
1022 | } | |
1023 | ||
1024 | static int python_export_comm_thread(struct db_export *dbe, u64 db_id, | |
1025 | struct comm *comm, struct thread *thread) | |
1026 | { | |
1027 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1028 | PyObject *t; | |
1029 | ||
1030 | t = tuple_new(3); | |
1031 | ||
1032 | tuple_set_u64(t, 0, db_id); | |
1033 | tuple_set_u64(t, 1, comm->db_id); | |
1034 | tuple_set_u64(t, 2, thread->db_id); | |
1035 | ||
1036 | call_object(tables->comm_thread_handler, t, "comm_thread_table"); | |
1037 | ||
1038 | Py_DECREF(t); | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | static int python_export_dso(struct db_export *dbe, struct dso *dso, | |
1044 | struct machine *machine) | |
1045 | { | |
1046 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
b5d8bbe8 | 1047 | char sbuild_id[SBUILD_ID_SIZE]; |
df919b40 AH |
1048 | PyObject *t; |
1049 | ||
1050 | build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); | |
1051 | ||
1052 | t = tuple_new(5); | |
1053 | ||
1054 | tuple_set_u64(t, 0, dso->db_id); | |
1055 | tuple_set_u64(t, 1, machine->db_id); | |
1056 | tuple_set_string(t, 2, dso->short_name); | |
1057 | tuple_set_string(t, 3, dso->long_name); | |
1058 | tuple_set_string(t, 4, sbuild_id); | |
1059 | ||
1060 | call_object(tables->dso_handler, t, "dso_table"); | |
1061 | ||
1062 | Py_DECREF(t); | |
1063 | ||
1064 | return 0; | |
1065 | } | |
1066 | ||
1067 | static int python_export_symbol(struct db_export *dbe, struct symbol *sym, | |
1068 | struct dso *dso) | |
1069 | { | |
1070 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1071 | u64 *sym_db_id = symbol__priv(sym); | |
1072 | PyObject *t; | |
1073 | ||
1074 | t = tuple_new(6); | |
1075 | ||
1076 | tuple_set_u64(t, 0, *sym_db_id); | |
1077 | tuple_set_u64(t, 1, dso->db_id); | |
1078 | tuple_set_u64(t, 2, sym->start); | |
1079 | tuple_set_u64(t, 3, sym->end); | |
1080 | tuple_set_s32(t, 4, sym->binding); | |
1081 | tuple_set_string(t, 5, sym->name); | |
1082 | ||
1083 | call_object(tables->symbol_handler, t, "symbol_table"); | |
1084 | ||
1085 | Py_DECREF(t); | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
c29414f5 AH |
1090 | static int python_export_branch_type(struct db_export *dbe, u32 branch_type, |
1091 | const char *name) | |
1092 | { | |
1093 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1094 | PyObject *t; | |
1095 | ||
1096 | t = tuple_new(2); | |
1097 | ||
1098 | tuple_set_s32(t, 0, branch_type); | |
1099 | tuple_set_string(t, 1, name); | |
1100 | ||
1101 | call_object(tables->branch_type_handler, t, "branch_type_table"); | |
1102 | ||
1103 | Py_DECREF(t); | |
1104 | ||
1105 | return 0; | |
1106 | } | |
1107 | ||
df919b40 AH |
1108 | static int python_export_sample(struct db_export *dbe, |
1109 | struct export_sample *es) | |
1110 | { | |
1111 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1112 | PyObject *t; | |
1113 | ||
2c15f5eb | 1114 | t = tuple_new(22); |
df919b40 AH |
1115 | |
1116 | tuple_set_u64(t, 0, es->db_id); | |
1117 | tuple_set_u64(t, 1, es->evsel->db_id); | |
1118 | tuple_set_u64(t, 2, es->al->machine->db_id); | |
b83e868d | 1119 | tuple_set_u64(t, 3, es->al->thread->db_id); |
df919b40 AH |
1120 | tuple_set_u64(t, 4, es->comm_db_id); |
1121 | tuple_set_u64(t, 5, es->dso_db_id); | |
1122 | tuple_set_u64(t, 6, es->sym_db_id); | |
1123 | tuple_set_u64(t, 7, es->offset); | |
1124 | tuple_set_u64(t, 8, es->sample->ip); | |
1125 | tuple_set_u64(t, 9, es->sample->time); | |
1126 | tuple_set_s32(t, 10, es->sample->cpu); | |
1127 | tuple_set_u64(t, 11, es->addr_dso_db_id); | |
1128 | tuple_set_u64(t, 12, es->addr_sym_db_id); | |
1129 | tuple_set_u64(t, 13, es->addr_offset); | |
1130 | tuple_set_u64(t, 14, es->sample->addr); | |
1131 | tuple_set_u64(t, 15, es->sample->period); | |
1132 | tuple_set_u64(t, 16, es->sample->weight); | |
1133 | tuple_set_u64(t, 17, es->sample->transaction); | |
1134 | tuple_set_u64(t, 18, es->sample->data_src); | |
c29414f5 AH |
1135 | tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK); |
1136 | tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX)); | |
2c15f5eb | 1137 | tuple_set_u64(t, 21, es->call_path_id); |
df919b40 AH |
1138 | |
1139 | call_object(tables->sample_handler, t, "sample_table"); | |
1140 | ||
1141 | Py_DECREF(t); | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
6a70307d AH |
1146 | static int python_export_call_path(struct db_export *dbe, struct call_path *cp) |
1147 | { | |
1148 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1149 | PyObject *t; | |
1150 | u64 parent_db_id, sym_db_id; | |
1151 | ||
1152 | parent_db_id = cp->parent ? cp->parent->db_id : 0; | |
1153 | sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0; | |
1154 | ||
1155 | t = tuple_new(4); | |
1156 | ||
1157 | tuple_set_u64(t, 0, cp->db_id); | |
1158 | tuple_set_u64(t, 1, parent_db_id); | |
1159 | tuple_set_u64(t, 2, sym_db_id); | |
1160 | tuple_set_u64(t, 3, cp->ip); | |
1161 | ||
1162 | call_object(tables->call_path_handler, t, "call_path_table"); | |
1163 | ||
1164 | Py_DECREF(t); | |
1165 | ||
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | static int python_export_call_return(struct db_export *dbe, | |
1170 | struct call_return *cr) | |
1171 | { | |
1172 | struct tables *tables = container_of(dbe, struct tables, dbe); | |
1173 | u64 comm_db_id = cr->comm ? cr->comm->db_id : 0; | |
1174 | PyObject *t; | |
1175 | ||
f435887e | 1176 | t = tuple_new(12); |
6a70307d AH |
1177 | |
1178 | tuple_set_u64(t, 0, cr->db_id); | |
1179 | tuple_set_u64(t, 1, cr->thread->db_id); | |
1180 | tuple_set_u64(t, 2, comm_db_id); | |
1181 | tuple_set_u64(t, 3, cr->cp->db_id); | |
1182 | tuple_set_u64(t, 4, cr->call_time); | |
1183 | tuple_set_u64(t, 5, cr->return_time); | |
1184 | tuple_set_u64(t, 6, cr->branch_count); | |
1185 | tuple_set_u64(t, 7, cr->call_ref); | |
1186 | tuple_set_u64(t, 8, cr->return_ref); | |
1187 | tuple_set_u64(t, 9, cr->cp->parent->db_id); | |
1188 | tuple_set_s32(t, 10, cr->flags); | |
f435887e | 1189 | tuple_set_u64(t, 11, cr->parent_db_id); |
6a70307d AH |
1190 | |
1191 | call_object(tables->call_return_handler, t, "call_return_table"); | |
1192 | ||
1193 | Py_DECREF(t); | |
1194 | ||
1195 | return 0; | |
1196 | } | |
1197 | ||
f435887e AH |
1198 | static int python_process_call_return(struct call_return *cr, u64 *parent_db_id, |
1199 | void *data) | |
6a70307d AH |
1200 | { |
1201 | struct db_export *dbe = data; | |
1202 | ||
f435887e | 1203 | return db_export__call_return(dbe, cr, parent_db_id); |
6a70307d AH |
1204 | } |
1205 | ||
b7fff6b5 | 1206 | static void python_process_general_event(struct perf_sample *sample, |
6a6daec2 | 1207 | struct perf_evsel *evsel, |
87b6a3ad | 1208 | struct addr_location *al) |
6a6daec2 | 1209 | { |
892e76b2 | 1210 | PyObject *handler, *t, *dict, *callchain; |
6a6daec2 FT |
1211 | static char handler_name[64]; |
1212 | unsigned n = 0; | |
6a6daec2 | 1213 | |
e9f9a9ca AK |
1214 | snprintf(handler_name, sizeof(handler_name), "%s", "process_event"); |
1215 | ||
1216 | handler = get_handler(handler_name); | |
1217 | if (!handler) | |
1218 | return; | |
1219 | ||
fd6b858a FT |
1220 | /* |
1221 | * Use the MAX_FIELDS to make the function expandable, though | |
87b6a3ad | 1222 | * currently there is only one item for the tuple. |
fd6b858a | 1223 | */ |
6a6daec2 FT |
1224 | t = PyTuple_New(MAX_FIELDS); |
1225 | if (!t) | |
1226 | Py_FatalError("couldn't create Python tuple"); | |
1227 | ||
0f5f5bcd JS |
1228 | /* ip unwinding */ |
1229 | callchain = python_process_callchain(sample, evsel, al); | |
892e76b2 | 1230 | dict = get_perf_sample_dict(sample, evsel, al, callchain); |
0f5f5bcd | 1231 | |
fd6b858a | 1232 | PyTuple_SetItem(t, n++, dict); |
6a6daec2 FT |
1233 | if (_PyTuple_Resize(&t, n) == -1) |
1234 | Py_FatalError("error resizing Python tuple"); | |
1235 | ||
a5563edf | 1236 | call_object(handler, t, handler_name); |
e9f9a9ca | 1237 | |
6a6daec2 FT |
1238 | Py_DECREF(t); |
1239 | } | |
1240 | ||
df919b40 | 1241 | static void python_process_event(union perf_event *event, |
6a6daec2 FT |
1242 | struct perf_sample *sample, |
1243 | struct perf_evsel *evsel, | |
73994dc1 | 1244 | struct addr_location *al) |
6a6daec2 | 1245 | { |
df919b40 AH |
1246 | struct tables *tables = &tables_global; |
1247 | ||
6a6daec2 FT |
1248 | switch (evsel->attr.type) { |
1249 | case PERF_TYPE_TRACEPOINT: | |
f9d5d549 | 1250 | python_process_tracepoint(sample, evsel, al); |
6a6daec2 FT |
1251 | break; |
1252 | /* Reserve for future process_hw/sw/raw APIs */ | |
1253 | default: | |
df919b40 | 1254 | if (tables->db_export_mode) |
7327259d | 1255 | db_export__sample(&tables->dbe, event, sample, evsel, al); |
df919b40 | 1256 | else |
f9d5d549 | 1257 | python_process_general_event(sample, evsel, al); |
6a6daec2 FT |
1258 | } |
1259 | } | |
1260 | ||
aef90263 JO |
1261 | static void get_handler_name(char *str, size_t size, |
1262 | struct perf_evsel *evsel) | |
1263 | { | |
1264 | char *p = str; | |
1265 | ||
1266 | scnprintf(str, size, "stat__%s", perf_evsel__name(evsel)); | |
1267 | ||
1268 | while ((p = strchr(p, ':'))) { | |
1269 | *p = '_'; | |
1270 | p++; | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | static void | |
1275 | process_stat(struct perf_evsel *counter, int cpu, int thread, u64 tstamp, | |
1276 | struct perf_counts_values *count) | |
1277 | { | |
1278 | PyObject *handler, *t; | |
1279 | static char handler_name[256]; | |
1280 | int n = 0; | |
1281 | ||
1282 | t = PyTuple_New(MAX_FIELDS); | |
1283 | if (!t) | |
1284 | Py_FatalError("couldn't create Python tuple"); | |
1285 | ||
1286 | get_handler_name(handler_name, sizeof(handler_name), | |
1287 | counter); | |
1288 | ||
1289 | handler = get_handler(handler_name); | |
1290 | if (!handler) { | |
1291 | pr_debug("can't find python handler %s\n", handler_name); | |
1292 | return; | |
1293 | } | |
1294 | ||
66dfdff0 JŠ |
1295 | PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu)); |
1296 | PyTuple_SetItem(t, n++, _PyLong_FromLong(thread)); | |
aef90263 JO |
1297 | |
1298 | tuple_set_u64(t, n++, tstamp); | |
1299 | tuple_set_u64(t, n++, count->val); | |
1300 | tuple_set_u64(t, n++, count->ena); | |
1301 | tuple_set_u64(t, n++, count->run); | |
1302 | ||
1303 | if (_PyTuple_Resize(&t, n) == -1) | |
1304 | Py_FatalError("error resizing Python tuple"); | |
1305 | ||
1306 | call_object(handler, t, handler_name); | |
1307 | ||
1308 | Py_DECREF(t); | |
1309 | } | |
1310 | ||
1311 | static void python_process_stat(struct perf_stat_config *config, | |
1312 | struct perf_evsel *counter, u64 tstamp) | |
1313 | { | |
1314 | struct thread_map *threads = counter->threads; | |
1315 | struct cpu_map *cpus = counter->cpus; | |
1316 | int cpu, thread; | |
1317 | ||
1318 | if (config->aggr_mode == AGGR_GLOBAL) { | |
1319 | process_stat(counter, -1, -1, tstamp, | |
1320 | &counter->counts->aggr); | |
1321 | return; | |
1322 | } | |
1323 | ||
1324 | for (thread = 0; thread < threads->nr; thread++) { | |
1325 | for (cpu = 0; cpu < cpus->nr; cpu++) { | |
1326 | process_stat(counter, cpus->map[cpu], | |
1327 | thread_map__pid(threads, thread), tstamp, | |
1328 | perf_counts(counter->counts, cpu, thread)); | |
1329 | } | |
1330 | } | |
1331 | } | |
1332 | ||
1333 | static void python_process_stat_interval(u64 tstamp) | |
1334 | { | |
1335 | PyObject *handler, *t; | |
1336 | static const char handler_name[] = "stat__interval"; | |
1337 | int n = 0; | |
1338 | ||
1339 | t = PyTuple_New(MAX_FIELDS); | |
1340 | if (!t) | |
1341 | Py_FatalError("couldn't create Python tuple"); | |
1342 | ||
1343 | handler = get_handler(handler_name); | |
1344 | if (!handler) { | |
1345 | pr_debug("can't find python handler %s\n", handler_name); | |
1346 | return; | |
1347 | } | |
1348 | ||
1349 | tuple_set_u64(t, n++, tstamp); | |
1350 | ||
1351 | if (_PyTuple_Resize(&t, n) == -1) | |
1352 | Py_FatalError("error resizing Python tuple"); | |
1353 | ||
1354 | call_object(handler, t, handler_name); | |
1355 | ||
1356 | Py_DECREF(t); | |
1357 | } | |
1358 | ||
7e4b21b8 TZ |
1359 | static int run_start_sub(void) |
1360 | { | |
7e4b21b8 TZ |
1361 | main_module = PyImport_AddModule("__main__"); |
1362 | if (main_module == NULL) | |
1363 | return -1; | |
1364 | Py_INCREF(main_module); | |
1365 | ||
1366 | main_dict = PyModule_GetDict(main_module); | |
a5563edf | 1367 | if (main_dict == NULL) |
7e4b21b8 | 1368 | goto error; |
7e4b21b8 TZ |
1369 | Py_INCREF(main_dict); |
1370 | ||
a5563edf | 1371 | try_call_object("trace_begin", NULL); |
7e4b21b8 | 1372 | |
a5563edf | 1373 | return 0; |
7e4b21b8 | 1374 | |
7e4b21b8 TZ |
1375 | error: |
1376 | Py_XDECREF(main_dict); | |
1377 | Py_XDECREF(main_module); | |
a5563edf | 1378 | return -1; |
7e4b21b8 TZ |
1379 | } |
1380 | ||
df919b40 AH |
1381 | #define SET_TABLE_HANDLER_(name, handler_name, table_name) do { \ |
1382 | tables->handler_name = get_handler(#table_name); \ | |
1383 | if (tables->handler_name) \ | |
1384 | tables->dbe.export_ ## name = python_export_ ## name; \ | |
1385 | } while (0) | |
1386 | ||
1387 | #define SET_TABLE_HANDLER(name) \ | |
1388 | SET_TABLE_HANDLER_(name, name ## _handler, name ## _table) | |
1389 | ||
1390 | static void set_table_handlers(struct tables *tables) | |
1391 | { | |
1392 | const char *perf_db_export_mode = "perf_db_export_mode"; | |
6a70307d | 1393 | const char *perf_db_export_calls = "perf_db_export_calls"; |
2c15f5eb CP |
1394 | const char *perf_db_export_callchains = "perf_db_export_callchains"; |
1395 | PyObject *db_export_mode, *db_export_calls, *db_export_callchains; | |
6a70307d | 1396 | bool export_calls = false; |
2c15f5eb | 1397 | bool export_callchains = false; |
df919b40 AH |
1398 | int ret; |
1399 | ||
1400 | memset(tables, 0, sizeof(struct tables)); | |
1401 | if (db_export__init(&tables->dbe)) | |
1402 | Py_FatalError("failed to initialize export"); | |
1403 | ||
1404 | db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode); | |
1405 | if (!db_export_mode) | |
1406 | return; | |
1407 | ||
1408 | ret = PyObject_IsTrue(db_export_mode); | |
1409 | if (ret == -1) | |
1410 | handler_call_die(perf_db_export_mode); | |
1411 | if (!ret) | |
1412 | return; | |
1413 | ||
2c15f5eb | 1414 | /* handle export calls */ |
6a70307d AH |
1415 | tables->dbe.crp = NULL; |
1416 | db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls); | |
1417 | if (db_export_calls) { | |
1418 | ret = PyObject_IsTrue(db_export_calls); | |
1419 | if (ret == -1) | |
1420 | handler_call_die(perf_db_export_calls); | |
1421 | export_calls = !!ret; | |
1422 | } | |
1423 | ||
1424 | if (export_calls) { | |
1425 | tables->dbe.crp = | |
1426 | call_return_processor__new(python_process_call_return, | |
1427 | &tables->dbe); | |
1428 | if (!tables->dbe.crp) | |
1429 | Py_FatalError("failed to create calls processor"); | |
1430 | } | |
1431 | ||
2c15f5eb CP |
1432 | /* handle export callchains */ |
1433 | tables->dbe.cpr = NULL; | |
1434 | db_export_callchains = PyDict_GetItemString(main_dict, | |
1435 | perf_db_export_callchains); | |
1436 | if (db_export_callchains) { | |
1437 | ret = PyObject_IsTrue(db_export_callchains); | |
1438 | if (ret == -1) | |
1439 | handler_call_die(perf_db_export_callchains); | |
1440 | export_callchains = !!ret; | |
1441 | } | |
1442 | ||
1443 | if (export_callchains) { | |
1444 | /* | |
1445 | * Attempt to use the call path root from the call return | |
1446 | * processor, if the call return processor is in use. Otherwise, | |
1447 | * we allocate a new call path root. This prevents exporting | |
1448 | * duplicate call path ids when both are in use simultaniously. | |
1449 | */ | |
1450 | if (tables->dbe.crp) | |
1451 | tables->dbe.cpr = tables->dbe.crp->cpr; | |
1452 | else | |
1453 | tables->dbe.cpr = call_path_root__new(); | |
1454 | ||
1455 | if (!tables->dbe.cpr) | |
aff63340 | 1456 | Py_FatalError("failed to create call path root"); |
2c15f5eb CP |
1457 | } |
1458 | ||
df919b40 AH |
1459 | tables->db_export_mode = true; |
1460 | /* | |
1461 | * Reserve per symbol space for symbol->db_id via symbol__priv() | |
1462 | */ | |
1463 | symbol_conf.priv_size = sizeof(u64); | |
1464 | ||
1465 | SET_TABLE_HANDLER(evsel); | |
1466 | SET_TABLE_HANDLER(machine); | |
1467 | SET_TABLE_HANDLER(thread); | |
1468 | SET_TABLE_HANDLER(comm); | |
1469 | SET_TABLE_HANDLER(comm_thread); | |
1470 | SET_TABLE_HANDLER(dso); | |
1471 | SET_TABLE_HANDLER(symbol); | |
c29414f5 | 1472 | SET_TABLE_HANDLER(branch_type); |
df919b40 | 1473 | SET_TABLE_HANDLER(sample); |
6a70307d AH |
1474 | SET_TABLE_HANDLER(call_path); |
1475 | SET_TABLE_HANDLER(call_return); | |
df919b40 AH |
1476 | } |
1477 | ||
66dfdff0 JŠ |
1478 | #if PY_MAJOR_VERSION < 3 |
1479 | static void _free_command_line(const char **command_line, int num) | |
1480 | { | |
1481 | free(command_line); | |
1482 | } | |
1483 | #else | |
1484 | static void _free_command_line(wchar_t **command_line, int num) | |
1485 | { | |
1486 | int i; | |
1487 | for (i = 0; i < num; i++) | |
1488 | PyMem_RawFree(command_line[i]); | |
1489 | free(command_line); | |
1490 | } | |
1491 | #endif | |
1492 | ||
1493 | ||
7e4b21b8 TZ |
1494 | /* |
1495 | * Start trace script | |
1496 | */ | |
1497 | static int python_start_script(const char *script, int argc, const char **argv) | |
1498 | { | |
df919b40 | 1499 | struct tables *tables = &tables_global; |
cc437642 | 1500 | PyMODINIT_FUNC (*initfunc)(void); |
66dfdff0 | 1501 | #if PY_MAJOR_VERSION < 3 |
7e4b21b8 | 1502 | const char **command_line; |
66dfdff0 JŠ |
1503 | #else |
1504 | wchar_t **command_line; | |
1505 | #endif | |
cc437642 TJ |
1506 | /* |
1507 | * Use a non-const name variable to cope with python 2.6's | |
1508 | * PyImport_AppendInittab prototype | |
1509 | */ | |
1510 | char buf[PATH_MAX], name[19] = "perf_trace_context"; | |
7e4b21b8 TZ |
1511 | int i, err = 0; |
1512 | FILE *fp; | |
1513 | ||
66dfdff0 | 1514 | #if PY_MAJOR_VERSION < 3 |
cc437642 | 1515 | initfunc = initperf_trace_context; |
7e4b21b8 TZ |
1516 | command_line = malloc((argc + 1) * sizeof(const char *)); |
1517 | command_line[0] = script; | |
1518 | for (i = 1; i < argc + 1; i++) | |
1519 | command_line[i] = argv[i - 1]; | |
66dfdff0 | 1520 | #else |
cc437642 | 1521 | initfunc = PyInit_perf_trace_context; |
66dfdff0 JŠ |
1522 | command_line = malloc((argc + 1) * sizeof(wchar_t *)); |
1523 | command_line[0] = Py_DecodeLocale(script, NULL); | |
1524 | for (i = 1; i < argc + 1; i++) | |
1525 | command_line[i] = Py_DecodeLocale(argv[i - 1], NULL); | |
1526 | #endif | |
7e4b21b8 | 1527 | |
cc437642 | 1528 | PyImport_AppendInittab(name, initfunc); |
7e4b21b8 TZ |
1529 | Py_Initialize(); |
1530 | ||
66dfdff0 | 1531 | #if PY_MAJOR_VERSION < 3 |
7e4b21b8 | 1532 | PySys_SetArgv(argc + 1, (char **)command_line); |
66dfdff0 | 1533 | #else |
66dfdff0 JŠ |
1534 | PySys_SetArgv(argc + 1, command_line); |
1535 | #endif | |
7e4b21b8 TZ |
1536 | |
1537 | fp = fopen(script, "r"); | |
1538 | if (!fp) { | |
1539 | sprintf(buf, "Can't open python script \"%s\"", script); | |
1540 | perror(buf); | |
1541 | err = -1; | |
1542 | goto error; | |
1543 | } | |
1544 | ||
1545 | err = PyRun_SimpleFile(fp, script); | |
1546 | if (err) { | |
1547 | fprintf(stderr, "Error running python script %s\n", script); | |
1548 | goto error; | |
1549 | } | |
1550 | ||
1551 | err = run_start_sub(); | |
1552 | if (err) { | |
1553 | fprintf(stderr, "Error starting python script %s\n", script); | |
1554 | goto error; | |
1555 | } | |
1556 | ||
df919b40 AH |
1557 | set_table_handlers(tables); |
1558 | ||
c29414f5 AH |
1559 | if (tables->db_export_mode) { |
1560 | err = db_export__branch_types(&tables->dbe); | |
1561 | if (err) | |
1562 | goto error; | |
1563 | } | |
1564 | ||
66dfdff0 | 1565 | _free_command_line(command_line, argc + 1); |
979ac257 | 1566 | |
7e4b21b8 TZ |
1567 | return err; |
1568 | error: | |
1569 | Py_Finalize(); | |
66dfdff0 | 1570 | _free_command_line(command_line, argc + 1); |
7e4b21b8 TZ |
1571 | |
1572 | return err; | |
1573 | } | |
1574 | ||
d445dd2a AH |
1575 | static int python_flush_script(void) |
1576 | { | |
758008b2 AH |
1577 | struct tables *tables = &tables_global; |
1578 | ||
1579 | return db_export__flush(&tables->dbe); | |
d445dd2a AH |
1580 | } |
1581 | ||
7e4b21b8 TZ |
1582 | /* |
1583 | * Stop trace script | |
1584 | */ | |
1585 | static int python_stop_script(void) | |
1586 | { | |
df919b40 AH |
1587 | struct tables *tables = &tables_global; |
1588 | ||
a5563edf | 1589 | try_call_object("trace_end", NULL); |
7e4b21b8 | 1590 | |
df919b40 AH |
1591 | db_export__exit(&tables->dbe); |
1592 | ||
7e4b21b8 TZ |
1593 | Py_XDECREF(main_dict); |
1594 | Py_XDECREF(main_module); | |
1595 | Py_Finalize(); | |
1596 | ||
a5563edf | 1597 | return 0; |
7e4b21b8 TZ |
1598 | } |
1599 | ||
096177a8 | 1600 | static int python_generate_script(struct tep_handle *pevent, const char *outfile) |
7e4b21b8 | 1601 | { |
97fbf3f0 | 1602 | struct tep_event *event = NULL; |
2c92f982 | 1603 | struct tep_format_field *f; |
7e4b21b8 TZ |
1604 | char fname[PATH_MAX]; |
1605 | int not_first, count; | |
1606 | FILE *ofp; | |
1607 | ||
1608 | sprintf(fname, "%s.py", outfile); | |
1609 | ofp = fopen(fname, "w"); | |
1610 | if (ofp == NULL) { | |
1611 | fprintf(stderr, "couldn't open %s\n", fname); | |
1612 | return -1; | |
1613 | } | |
133dc4c3 IM |
1614 | fprintf(ofp, "# perf script event handlers, " |
1615 | "generated by perf script -g python\n"); | |
7e4b21b8 TZ |
1616 | |
1617 | fprintf(ofp, "# Licensed under the terms of the GNU GPL" | |
1618 | " License version 2\n\n"); | |
1619 | ||
1620 | fprintf(ofp, "# The common_* event handler fields are the most useful " | |
1621 | "fields common to\n"); | |
1622 | ||
1623 | fprintf(ofp, "# all events. They don't necessarily correspond to " | |
1624 | "the 'common_*' fields\n"); | |
1625 | ||
1626 | fprintf(ofp, "# in the format files. Those fields not available as " | |
1627 | "handler params can\n"); | |
1628 | ||
1629 | fprintf(ofp, "# be retrieved using Python functions of the form " | |
1630 | "common_*(context).\n"); | |
1631 | ||
c76132dc | 1632 | fprintf(ofp, "# See the perf-script-python Documentation for the list " |
7e4b21b8 TZ |
1633 | "of available functions.\n\n"); |
1634 | ||
877cc639 | 1635 | fprintf(ofp, "from __future__ import print_function\n\n"); |
7e4b21b8 TZ |
1636 | fprintf(ofp, "import os\n"); |
1637 | fprintf(ofp, "import sys\n\n"); | |
1638 | ||
1639 | fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n"); | |
1640 | fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n"); | |
1641 | fprintf(ofp, "\nfrom perf_trace_context import *\n"); | |
1642 | fprintf(ofp, "from Core import *\n\n\n"); | |
1643 | ||
1644 | fprintf(ofp, "def trace_begin():\n"); | |
877cc639 | 1645 | fprintf(ofp, "\tprint(\"in trace_begin\")\n\n"); |
7e4b21b8 TZ |
1646 | |
1647 | fprintf(ofp, "def trace_end():\n"); | |
877cc639 | 1648 | fprintf(ofp, "\tprint(\"in trace_end\")\n\n"); |
7e4b21b8 | 1649 | |
da378962 | 1650 | while ((event = trace_find_next_event(pevent, event))) { |
7e4b21b8 TZ |
1651 | fprintf(ofp, "def %s__%s(", event->system, event->name); |
1652 | fprintf(ofp, "event_name, "); | |
1653 | fprintf(ofp, "context, "); | |
1654 | fprintf(ofp, "common_cpu,\n"); | |
1655 | fprintf(ofp, "\tcommon_secs, "); | |
1656 | fprintf(ofp, "common_nsecs, "); | |
1657 | fprintf(ofp, "common_pid, "); | |
1658 | fprintf(ofp, "common_comm,\n\t"); | |
0f5f5bcd | 1659 | fprintf(ofp, "common_callchain, "); |
7e4b21b8 TZ |
1660 | |
1661 | not_first = 0; | |
1662 | count = 0; | |
1663 | ||
1664 | for (f = event->format.fields; f; f = f->next) { | |
1665 | if (not_first++) | |
1666 | fprintf(ofp, ", "); | |
1667 | if (++count % 5 == 0) | |
1668 | fprintf(ofp, "\n\t"); | |
1669 | ||
1670 | fprintf(ofp, "%s", f->name); | |
1671 | } | |
a6418605 AK |
1672 | if (not_first++) |
1673 | fprintf(ofp, ", "); | |
1674 | if (++count % 5 == 0) | |
1675 | fprintf(ofp, "\n\t\t"); | |
1676 | fprintf(ofp, "perf_sample_dict"); | |
1677 | ||
7e4b21b8 TZ |
1678 | fprintf(ofp, "):\n"); |
1679 | ||
1680 | fprintf(ofp, "\t\tprint_header(event_name, common_cpu, " | |
1681 | "common_secs, common_nsecs,\n\t\t\t" | |
1682 | "common_pid, common_comm)\n\n"); | |
1683 | ||
877cc639 | 1684 | fprintf(ofp, "\t\tprint(\""); |
7e4b21b8 TZ |
1685 | |
1686 | not_first = 0; | |
1687 | count = 0; | |
1688 | ||
1689 | for (f = event->format.fields; f; f = f->next) { | |
1690 | if (not_first++) | |
1691 | fprintf(ofp, ", "); | |
1692 | if (count && count % 3 == 0) { | |
1693 | fprintf(ofp, "\" \\\n\t\t\""); | |
1694 | } | |
1695 | count++; | |
1696 | ||
1697 | fprintf(ofp, "%s=", f->name); | |
bb39ccb2 TSV |
1698 | if (f->flags & TEP_FIELD_IS_STRING || |
1699 | f->flags & TEP_FIELD_IS_FLAG || | |
1700 | f->flags & TEP_FIELD_IS_ARRAY || | |
1701 | f->flags & TEP_FIELD_IS_SYMBOLIC) | |
7e4b21b8 | 1702 | fprintf(ofp, "%%s"); |
bb39ccb2 | 1703 | else if (f->flags & TEP_FIELD_IS_SIGNED) |
7e4b21b8 TZ |
1704 | fprintf(ofp, "%%d"); |
1705 | else | |
1706 | fprintf(ofp, "%%u"); | |
1707 | } | |
1708 | ||
0f5f5bcd | 1709 | fprintf(ofp, "\" %% \\\n\t\t("); |
7e4b21b8 TZ |
1710 | |
1711 | not_first = 0; | |
1712 | count = 0; | |
1713 | ||
1714 | for (f = event->format.fields; f; f = f->next) { | |
1715 | if (not_first++) | |
1716 | fprintf(ofp, ", "); | |
1717 | ||
1718 | if (++count % 5 == 0) | |
1719 | fprintf(ofp, "\n\t\t"); | |
1720 | ||
bb39ccb2 | 1721 | if (f->flags & TEP_FIELD_IS_FLAG) { |
7e4b21b8 TZ |
1722 | if ((count - 1) % 5 != 0) { |
1723 | fprintf(ofp, "\n\t\t"); | |
1724 | count = 4; | |
1725 | } | |
1726 | fprintf(ofp, "flag_str(\""); | |
1727 | fprintf(ofp, "%s__%s\", ", event->system, | |
1728 | event->name); | |
1729 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1730 | f->name); | |
bb39ccb2 | 1731 | } else if (f->flags & TEP_FIELD_IS_SYMBOLIC) { |
7e4b21b8 TZ |
1732 | if ((count - 1) % 5 != 0) { |
1733 | fprintf(ofp, "\n\t\t"); | |
1734 | count = 4; | |
1735 | } | |
1736 | fprintf(ofp, "symbol_str(\""); | |
1737 | fprintf(ofp, "%s__%s\", ", event->system, | |
1738 | event->name); | |
1739 | fprintf(ofp, "\"%s\", %s)", f->name, | |
1740 | f->name); | |
1741 | } else | |
1742 | fprintf(ofp, "%s", f->name); | |
1743 | } | |
1744 | ||
877cc639 | 1745 | fprintf(ofp, "))\n\n"); |
0f5f5bcd | 1746 | |
877cc639 JC |
1747 | fprintf(ofp, "\t\tprint('Sample: {'+" |
1748 | "get_dict_as_string(perf_sample_dict['sample'], ', ')+'}')\n\n"); | |
a6418605 | 1749 | |
0f5f5bcd JS |
1750 | fprintf(ofp, "\t\tfor node in common_callchain:"); |
1751 | fprintf(ofp, "\n\t\t\tif 'sym' in node:"); | |
877cc639 | 1752 | fprintf(ofp, "\n\t\t\t\tprint(\"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name']))"); |
0f5f5bcd | 1753 | fprintf(ofp, "\n\t\t\telse:"); |
877cc639 JC |
1754 | fprintf(ofp, "\n\t\t\t\tprint(\"\t[%%x]\" %% (node['ip']))\n\n"); |
1755 | fprintf(ofp, "\t\tprint()\n\n"); | |
0f5f5bcd | 1756 | |
7e4b21b8 TZ |
1757 | } |
1758 | ||
1759 | fprintf(ofp, "def trace_unhandled(event_name, context, " | |
a6418605 | 1760 | "event_fields_dict, perf_sample_dict):\n"); |
7e4b21b8 | 1761 | |
877cc639 JC |
1762 | fprintf(ofp, "\t\tprint(get_dict_as_string(event_fields_dict))\n"); |
1763 | fprintf(ofp, "\t\tprint('Sample: {'+" | |
1764 | "get_dict_as_string(perf_sample_dict['sample'], ', ')+'}')\n\n"); | |
7e4b21b8 TZ |
1765 | |
1766 | fprintf(ofp, "def print_header(" | |
1767 | "event_name, cpu, secs, nsecs, pid, comm):\n" | |
877cc639 JC |
1768 | "\tprint(\"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t" |
1769 | "(event_name, cpu, secs, nsecs, pid, comm), end=\"\")\n\n"); | |
a6418605 AK |
1770 | |
1771 | fprintf(ofp, "def get_dict_as_string(a_dict, delimiter=' '):\n" | |
1772 | "\treturn delimiter.join" | |
1773 | "(['%%s=%%s'%%(k,str(v))for k,v in sorted(a_dict.items())])\n"); | |
7e4b21b8 TZ |
1774 | |
1775 | fclose(ofp); | |
1776 | ||
1777 | fprintf(stderr, "generated Python script: %s\n", fname); | |
1778 | ||
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | struct scripting_ops python_scripting_ops = { | |
aef90263 JO |
1783 | .name = "Python", |
1784 | .start_script = python_start_script, | |
1785 | .flush_script = python_flush_script, | |
1786 | .stop_script = python_stop_script, | |
1787 | .process_event = python_process_event, | |
1788 | .process_stat = python_process_stat, | |
1789 | .process_stat_interval = python_process_stat_interval, | |
1790 | .generate_script = python_generate_script, | |
7e4b21b8 | 1791 | }; |