1 /*
2  * trace-event-python.  Feed trace events to an embedded Python interpreter.
3  *
4  * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  */
21 
22 #include <Python.h>
23 
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <stdbool.h>
28 #include <errno.h>
29 #include <linux/bitmap.h>
30 
31 #include "../../perf.h"
32 #include "../debug.h"
33 #include "../callchain.h"
34 #include "../evsel.h"
35 #include "../util.h"
36 #include "../event.h"
37 #include "../thread.h"
38 #include "../comm.h"
39 #include "../machine.h"
40 #include "../db-export.h"
41 #include "../thread-stack.h"
42 #include "../trace-event.h"
43 #include "../machine.h"
44 #include "../call-path.h"
45 #include "thread_map.h"
46 #include "cpumap.h"
47 #include "stat.h"
48 
49 PyMODINIT_FUNC initperf_trace_context(void);
50 
51 #define TRACE_EVENT_TYPE_MAX				\
52 	((1 << (sizeof(unsigned short) * 8)) - 1)
53 
54 static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
55 
56 #define MAX_FIELDS	64
57 #define N_COMMON_FIELDS	7
58 
59 extern struct scripting_context *scripting_context;
60 
61 static char *cur_field_name;
62 static int zero_flag_atom;
63 
64 static PyObject *main_module, *main_dict;
65 
66 struct tables {
67 	struct db_export	dbe;
68 	PyObject		*evsel_handler;
69 	PyObject		*machine_handler;
70 	PyObject		*thread_handler;
71 	PyObject		*comm_handler;
72 	PyObject		*comm_thread_handler;
73 	PyObject		*dso_handler;
74 	PyObject		*symbol_handler;
75 	PyObject		*branch_type_handler;
76 	PyObject		*sample_handler;
77 	PyObject		*call_path_handler;
78 	PyObject		*call_return_handler;
79 	bool			db_export_mode;
80 };
81 
82 static struct tables tables_global;
83 
84 static void handler_call_die(const char *handler_name) NORETURN;
85 static void handler_call_die(const char *handler_name)
86 {
87 	PyErr_Print();
88 	Py_FatalError("problem in Python trace event handler");
89 	// Py_FatalError does not return
90 	// but we have to make the compiler happy
91 	abort();
92 }
93 
94 /*
95  * Insert val into into the dictionary and decrement the reference counter.
96  * This is necessary for dictionaries since PyDict_SetItemString() does not
97  * steal a reference, as opposed to PyTuple_SetItem().
98  */
99 static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val)
100 {
101 	PyDict_SetItemString(dict, key, val);
102 	Py_DECREF(val);
103 }
104 
105 static PyObject *get_handler(const char *handler_name)
106 {
107 	PyObject *handler;
108 
109 	handler = PyDict_GetItemString(main_dict, handler_name);
110 	if (handler && !PyCallable_Check(handler))
111 		return NULL;
112 	return handler;
113 }
114 
115 static void call_object(PyObject *handler, PyObject *args, const char *die_msg)
116 {
117 	PyObject *retval;
118 
119 	retval = PyObject_CallObject(handler, args);
120 	if (retval == NULL)
121 		handler_call_die(die_msg);
122 	Py_DECREF(retval);
123 }
124 
125 static void try_call_object(const char *handler_name, PyObject *args)
126 {
127 	PyObject *handler;
128 
129 	handler = get_handler(handler_name);
130 	if (handler)
131 		call_object(handler, args, handler_name);
132 }
133 
134 static void define_value(enum print_arg_type field_type,
135 			 const char *ev_name,
136 			 const char *field_name,
137 			 const char *field_value,
138 			 const char *field_str)
139 {
140 	const char *handler_name = "define_flag_value";
141 	PyObject *t;
142 	unsigned long long value;
143 	unsigned n = 0;
144 
145 	if (field_type == PRINT_SYMBOL)
146 		handler_name = "define_symbolic_value";
147 
148 	t = PyTuple_New(4);
149 	if (!t)
150 		Py_FatalError("couldn't create Python tuple");
151 
152 	value = eval_flag(field_value);
153 
154 	PyTuple_SetItem(t, n++, PyString_FromString(ev_name));
155 	PyTuple_SetItem(t, n++, PyString_FromString(field_name));
156 	PyTuple_SetItem(t, n++, PyInt_FromLong(value));
157 	PyTuple_SetItem(t, n++, PyString_FromString(field_str));
158 
159 	try_call_object(handler_name, t);
160 
161 	Py_DECREF(t);
162 }
163 
164 static void define_values(enum print_arg_type field_type,
165 			  struct print_flag_sym *field,
166 			  const char *ev_name,
167 			  const char *field_name)
168 {
169 	define_value(field_type, ev_name, field_name, field->value,
170 		     field->str);
171 
172 	if (field->next)
173 		define_values(field_type, field->next, ev_name, field_name);
174 }
175 
176 static void define_field(enum print_arg_type field_type,
177 			 const char *ev_name,
178 			 const char *field_name,
179 			 const char *delim)
180 {
181 	const char *handler_name = "define_flag_field";
182 	PyObject *t;
183 	unsigned n = 0;
184 
185 	if (field_type == PRINT_SYMBOL)
186 		handler_name = "define_symbolic_field";
187 
188 	if (field_type == PRINT_FLAGS)
189 		t = PyTuple_New(3);
190 	else
191 		t = PyTuple_New(2);
192 	if (!t)
193 		Py_FatalError("couldn't create Python tuple");
194 
195 	PyTuple_SetItem(t, n++, PyString_FromString(ev_name));
196 	PyTuple_SetItem(t, n++, PyString_FromString(field_name));
197 	if (field_type == PRINT_FLAGS)
198 		PyTuple_SetItem(t, n++, PyString_FromString(delim));
199 
200 	try_call_object(handler_name, t);
201 
202 	Py_DECREF(t);
203 }
204 
205 static void define_event_symbols(struct event_format *event,
206 				 const char *ev_name,
207 				 struct print_arg *args)
208 {
209 	if (args == NULL)
210 		return;
211 
212 	switch (args->type) {
213 	case PRINT_NULL:
214 		break;
215 	case PRINT_ATOM:
216 		define_value(PRINT_FLAGS, ev_name, cur_field_name, "0",
217 			     args->atom.atom);
218 		zero_flag_atom = 0;
219 		break;
220 	case PRINT_FIELD:
221 		free(cur_field_name);
222 		cur_field_name = strdup(args->field.name);
223 		break;
224 	case PRINT_FLAGS:
225 		define_event_symbols(event, ev_name, args->flags.field);
226 		define_field(PRINT_FLAGS, ev_name, cur_field_name,
227 			     args->flags.delim);
228 		define_values(PRINT_FLAGS, args->flags.flags, ev_name,
229 			      cur_field_name);
230 		break;
231 	case PRINT_SYMBOL:
232 		define_event_symbols(event, ev_name, args->symbol.field);
233 		define_field(PRINT_SYMBOL, ev_name, cur_field_name, NULL);
234 		define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name,
235 			      cur_field_name);
236 		break;
237 	case PRINT_HEX:
238 		define_event_symbols(event, ev_name, args->hex.field);
239 		define_event_symbols(event, ev_name, args->hex.size);
240 		break;
241 	case PRINT_INT_ARRAY:
242 		define_event_symbols(event, ev_name, args->int_array.field);
243 		define_event_symbols(event, ev_name, args->int_array.count);
244 		define_event_symbols(event, ev_name, args->int_array.el_size);
245 		break;
246 	case PRINT_STRING:
247 		break;
248 	case PRINT_TYPE:
249 		define_event_symbols(event, ev_name, args->typecast.item);
250 		break;
251 	case PRINT_OP:
252 		if (strcmp(args->op.op, ":") == 0)
253 			zero_flag_atom = 1;
254 		define_event_symbols(event, ev_name, args->op.left);
255 		define_event_symbols(event, ev_name, args->op.right);
256 		break;
257 	default:
258 		/* gcc warns for these? */
259 	case PRINT_BSTRING:
260 	case PRINT_DYNAMIC_ARRAY:
261 	case PRINT_DYNAMIC_ARRAY_LEN:
262 	case PRINT_FUNC:
263 	case PRINT_BITMASK:
264 		/* we should warn... */
265 		return;
266 	}
267 
268 	if (args->next)
269 		define_event_symbols(event, ev_name, args->next);
270 }
271 
272 static PyObject *get_field_numeric_entry(struct event_format *event,
273 		struct format_field *field, void *data)
274 {
275 	bool is_array = field->flags & FIELD_IS_ARRAY;
276 	PyObject *obj, *list = NULL;
277 	unsigned long long val;
278 	unsigned int item_size, n_items, i;
279 
280 	if (is_array) {
281 		list = PyList_New(field->arraylen);
282 		item_size = field->size / field->arraylen;
283 		n_items = field->arraylen;
284 	} else {
285 		item_size = field->size;
286 		n_items = 1;
287 	}
288 
289 	for (i = 0; i < n_items; i++) {
290 
291 		val = read_size(event, data + field->offset + i * item_size,
292 				item_size);
293 		if (field->flags & FIELD_IS_SIGNED) {
294 			if ((long long)val >= LONG_MIN &&
295 					(long long)val <= LONG_MAX)
296 				obj = PyInt_FromLong(val);
297 			else
298 				obj = PyLong_FromLongLong(val);
299 		} else {
300 			if (val <= LONG_MAX)
301 				obj = PyInt_FromLong(val);
302 			else
303 				obj = PyLong_FromUnsignedLongLong(val);
304 		}
305 		if (is_array)
306 			PyList_SET_ITEM(list, i, obj);
307 	}
308 	if (is_array)
309 		obj = list;
310 	return obj;
311 }
312 
313 
314 static PyObject *python_process_callchain(struct perf_sample *sample,
315 					 struct perf_evsel *evsel,
316 					 struct addr_location *al)
317 {
318 	PyObject *pylist;
319 
320 	pylist = PyList_New(0);
321 	if (!pylist)
322 		Py_FatalError("couldn't create Python list");
323 
324 	if (!symbol_conf.use_callchain || !sample->callchain)
325 		goto exit;
326 
327 	if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
328 				      sample, NULL, NULL,
329 				      scripting_max_stack) != 0) {
330 		pr_err("Failed to resolve callchain. Skipping\n");
331 		goto exit;
332 	}
333 	callchain_cursor_commit(&callchain_cursor);
334 
335 
336 	while (1) {
337 		PyObject *pyelem;
338 		struct callchain_cursor_node *node;
339 		node = callchain_cursor_current(&callchain_cursor);
340 		if (!node)
341 			break;
342 
343 		pyelem = PyDict_New();
344 		if (!pyelem)
345 			Py_FatalError("couldn't create Python dictionary");
346 
347 
348 		pydict_set_item_string_decref(pyelem, "ip",
349 				PyLong_FromUnsignedLongLong(node->ip));
350 
351 		if (node->sym) {
352 			PyObject *pysym  = PyDict_New();
353 			if (!pysym)
354 				Py_FatalError("couldn't create Python dictionary");
355 			pydict_set_item_string_decref(pysym, "start",
356 					PyLong_FromUnsignedLongLong(node->sym->start));
357 			pydict_set_item_string_decref(pysym, "end",
358 					PyLong_FromUnsignedLongLong(node->sym->end));
359 			pydict_set_item_string_decref(pysym, "binding",
360 					PyInt_FromLong(node->sym->binding));
361 			pydict_set_item_string_decref(pysym, "name",
362 					PyString_FromStringAndSize(node->sym->name,
363 							node->sym->namelen));
364 			pydict_set_item_string_decref(pyelem, "sym", pysym);
365 		}
366 
367 		if (node->map) {
368 			struct map *map = node->map;
369 			const char *dsoname = "[unknown]";
370 			if (map && map->dso && (map->dso->name || map->dso->long_name)) {
371 				if (symbol_conf.show_kernel_path && map->dso->long_name)
372 					dsoname = map->dso->long_name;
373 				else if (map->dso->name)
374 					dsoname = map->dso->name;
375 			}
376 			pydict_set_item_string_decref(pyelem, "dso",
377 					PyString_FromString(dsoname));
378 		}
379 
380 		callchain_cursor_advance(&callchain_cursor);
381 		PyList_Append(pylist, pyelem);
382 		Py_DECREF(pyelem);
383 	}
384 
385 exit:
386 	return pylist;
387 }
388 
389 
390 static void python_process_tracepoint(struct perf_sample *sample,
391 				      struct perf_evsel *evsel,
392 				      struct addr_location *al)
393 {
394 	struct event_format *event = evsel->tp_format;
395 	PyObject *handler, *context, *t, *obj, *callchain;
396 	PyObject *dict = NULL;
397 	static char handler_name[256];
398 	struct format_field *field;
399 	unsigned long s, ns;
400 	unsigned n = 0;
401 	int pid;
402 	int cpu = sample->cpu;
403 	void *data = sample->raw_data;
404 	unsigned long long nsecs = sample->time;
405 	const char *comm = thread__comm_str(al->thread);
406 
407 	t = PyTuple_New(MAX_FIELDS);
408 	if (!t)
409 		Py_FatalError("couldn't create Python tuple");
410 
411 	if (!event) {
412 		snprintf(handler_name, sizeof(handler_name),
413 			 "ug! no event found for type %" PRIu64, (u64)evsel->attr.config);
414 		Py_FatalError(handler_name);
415 	}
416 
417 	pid = raw_field_value(event, "common_pid", data);
418 
419 	sprintf(handler_name, "%s__%s", event->system, event->name);
420 
421 	if (!test_and_set_bit(event->id, events_defined))
422 		define_event_symbols(event, handler_name, event->print_fmt.args);
423 
424 	handler = get_handler(handler_name);
425 	if (!handler) {
426 		dict = PyDict_New();
427 		if (!dict)
428 			Py_FatalError("couldn't create Python dict");
429 	}
430 	s = nsecs / NSECS_PER_SEC;
431 	ns = nsecs - s * NSECS_PER_SEC;
432 
433 	scripting_context->event_data = data;
434 	scripting_context->pevent = evsel->tp_format->pevent;
435 
436 	context = PyCObject_FromVoidPtr(scripting_context, NULL);
437 
438 	PyTuple_SetItem(t, n++, PyString_FromString(handler_name));
439 	PyTuple_SetItem(t, n++, context);
440 
441 	/* ip unwinding */
442 	callchain = python_process_callchain(sample, evsel, al);
443 
444 	if (handler) {
445 		PyTuple_SetItem(t, n++, PyInt_FromLong(cpu));
446 		PyTuple_SetItem(t, n++, PyInt_FromLong(s));
447 		PyTuple_SetItem(t, n++, PyInt_FromLong(ns));
448 		PyTuple_SetItem(t, n++, PyInt_FromLong(pid));
449 		PyTuple_SetItem(t, n++, PyString_FromString(comm));
450 		PyTuple_SetItem(t, n++, callchain);
451 	} else {
452 		pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu));
453 		pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s));
454 		pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns));
455 		pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid));
456 		pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm));
457 		pydict_set_item_string_decref(dict, "common_callchain", callchain);
458 	}
459 	for (field = event->format.fields; field; field = field->next) {
460 		if (field->flags & FIELD_IS_STRING) {
461 			int offset;
462 			if (field->flags & FIELD_IS_DYNAMIC) {
463 				offset = *(int *)(data + field->offset);
464 				offset &= 0xffff;
465 			} else
466 				offset = field->offset;
467 			obj = PyString_FromString((char *)data + offset);
468 		} else { /* FIELD_IS_NUMERIC */
469 			obj = get_field_numeric_entry(event, field, data);
470 		}
471 		if (handler)
472 			PyTuple_SetItem(t, n++, obj);
473 		else
474 			pydict_set_item_string_decref(dict, field->name, obj);
475 
476 	}
477 
478 	if (!handler)
479 		PyTuple_SetItem(t, n++, dict);
480 
481 	if (_PyTuple_Resize(&t, n) == -1)
482 		Py_FatalError("error resizing Python tuple");
483 
484 	if (handler) {
485 		call_object(handler, t, handler_name);
486 	} else {
487 		try_call_object("trace_unhandled", t);
488 		Py_DECREF(dict);
489 	}
490 
491 	Py_DECREF(t);
492 }
493 
494 static PyObject *tuple_new(unsigned int sz)
495 {
496 	PyObject *t;
497 
498 	t = PyTuple_New(sz);
499 	if (!t)
500 		Py_FatalError("couldn't create Python tuple");
501 	return t;
502 }
503 
504 static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val)
505 {
506 #if BITS_PER_LONG == 64
507 	return PyTuple_SetItem(t, pos, PyInt_FromLong(val));
508 #endif
509 #if BITS_PER_LONG == 32
510 	return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val));
511 #endif
512 }
513 
514 static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val)
515 {
516 	return PyTuple_SetItem(t, pos, PyInt_FromLong(val));
517 }
518 
519 static int tuple_set_string(PyObject *t, unsigned int pos, const char *s)
520 {
521 	return PyTuple_SetItem(t, pos, PyString_FromString(s));
522 }
523 
524 static int python_export_evsel(struct db_export *dbe, struct perf_evsel *evsel)
525 {
526 	struct tables *tables = container_of(dbe, struct tables, dbe);
527 	PyObject *t;
528 
529 	t = tuple_new(2);
530 
531 	tuple_set_u64(t, 0, evsel->db_id);
532 	tuple_set_string(t, 1, perf_evsel__name(evsel));
533 
534 	call_object(tables->evsel_handler, t, "evsel_table");
535 
536 	Py_DECREF(t);
537 
538 	return 0;
539 }
540 
541 static int python_export_machine(struct db_export *dbe,
542 				 struct machine *machine)
543 {
544 	struct tables *tables = container_of(dbe, struct tables, dbe);
545 	PyObject *t;
546 
547 	t = tuple_new(3);
548 
549 	tuple_set_u64(t, 0, machine->db_id);
550 	tuple_set_s32(t, 1, machine->pid);
551 	tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : "");
552 
553 	call_object(tables->machine_handler, t, "machine_table");
554 
555 	Py_DECREF(t);
556 
557 	return 0;
558 }
559 
560 static int python_export_thread(struct db_export *dbe, struct thread *thread,
561 				u64 main_thread_db_id, struct machine *machine)
562 {
563 	struct tables *tables = container_of(dbe, struct tables, dbe);
564 	PyObject *t;
565 
566 	t = tuple_new(5);
567 
568 	tuple_set_u64(t, 0, thread->db_id);
569 	tuple_set_u64(t, 1, machine->db_id);
570 	tuple_set_u64(t, 2, main_thread_db_id);
571 	tuple_set_s32(t, 3, thread->pid_);
572 	tuple_set_s32(t, 4, thread->tid);
573 
574 	call_object(tables->thread_handler, t, "thread_table");
575 
576 	Py_DECREF(t);
577 
578 	return 0;
579 }
580 
581 static int python_export_comm(struct db_export *dbe, struct comm *comm)
582 {
583 	struct tables *tables = container_of(dbe, struct tables, dbe);
584 	PyObject *t;
585 
586 	t = tuple_new(2);
587 
588 	tuple_set_u64(t, 0, comm->db_id);
589 	tuple_set_string(t, 1, comm__str(comm));
590 
591 	call_object(tables->comm_handler, t, "comm_table");
592 
593 	Py_DECREF(t);
594 
595 	return 0;
596 }
597 
598 static int python_export_comm_thread(struct db_export *dbe, u64 db_id,
599 				     struct comm *comm, struct thread *thread)
600 {
601 	struct tables *tables = container_of(dbe, struct tables, dbe);
602 	PyObject *t;
603 
604 	t = tuple_new(3);
605 
606 	tuple_set_u64(t, 0, db_id);
607 	tuple_set_u64(t, 1, comm->db_id);
608 	tuple_set_u64(t, 2, thread->db_id);
609 
610 	call_object(tables->comm_thread_handler, t, "comm_thread_table");
611 
612 	Py_DECREF(t);
613 
614 	return 0;
615 }
616 
617 static int python_export_dso(struct db_export *dbe, struct dso *dso,
618 			     struct machine *machine)
619 {
620 	struct tables *tables = container_of(dbe, struct tables, dbe);
621 	char sbuild_id[SBUILD_ID_SIZE];
622 	PyObject *t;
623 
624 	build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
625 
626 	t = tuple_new(5);
627 
628 	tuple_set_u64(t, 0, dso->db_id);
629 	tuple_set_u64(t, 1, machine->db_id);
630 	tuple_set_string(t, 2, dso->short_name);
631 	tuple_set_string(t, 3, dso->long_name);
632 	tuple_set_string(t, 4, sbuild_id);
633 
634 	call_object(tables->dso_handler, t, "dso_table");
635 
636 	Py_DECREF(t);
637 
638 	return 0;
639 }
640 
641 static int python_export_symbol(struct db_export *dbe, struct symbol *sym,
642 				struct dso *dso)
643 {
644 	struct tables *tables = container_of(dbe, struct tables, dbe);
645 	u64 *sym_db_id = symbol__priv(sym);
646 	PyObject *t;
647 
648 	t = tuple_new(6);
649 
650 	tuple_set_u64(t, 0, *sym_db_id);
651 	tuple_set_u64(t, 1, dso->db_id);
652 	tuple_set_u64(t, 2, sym->start);
653 	tuple_set_u64(t, 3, sym->end);
654 	tuple_set_s32(t, 4, sym->binding);
655 	tuple_set_string(t, 5, sym->name);
656 
657 	call_object(tables->symbol_handler, t, "symbol_table");
658 
659 	Py_DECREF(t);
660 
661 	return 0;
662 }
663 
664 static int python_export_branch_type(struct db_export *dbe, u32 branch_type,
665 				     const char *name)
666 {
667 	struct tables *tables = container_of(dbe, struct tables, dbe);
668 	PyObject *t;
669 
670 	t = tuple_new(2);
671 
672 	tuple_set_s32(t, 0, branch_type);
673 	tuple_set_string(t, 1, name);
674 
675 	call_object(tables->branch_type_handler, t, "branch_type_table");
676 
677 	Py_DECREF(t);
678 
679 	return 0;
680 }
681 
682 static int python_export_sample(struct db_export *dbe,
683 				struct export_sample *es)
684 {
685 	struct tables *tables = container_of(dbe, struct tables, dbe);
686 	PyObject *t;
687 
688 	t = tuple_new(22);
689 
690 	tuple_set_u64(t, 0, es->db_id);
691 	tuple_set_u64(t, 1, es->evsel->db_id);
692 	tuple_set_u64(t, 2, es->al->machine->db_id);
693 	tuple_set_u64(t, 3, es->al->thread->db_id);
694 	tuple_set_u64(t, 4, es->comm_db_id);
695 	tuple_set_u64(t, 5, es->dso_db_id);
696 	tuple_set_u64(t, 6, es->sym_db_id);
697 	tuple_set_u64(t, 7, es->offset);
698 	tuple_set_u64(t, 8, es->sample->ip);
699 	tuple_set_u64(t, 9, es->sample->time);
700 	tuple_set_s32(t, 10, es->sample->cpu);
701 	tuple_set_u64(t, 11, es->addr_dso_db_id);
702 	tuple_set_u64(t, 12, es->addr_sym_db_id);
703 	tuple_set_u64(t, 13, es->addr_offset);
704 	tuple_set_u64(t, 14, es->sample->addr);
705 	tuple_set_u64(t, 15, es->sample->period);
706 	tuple_set_u64(t, 16, es->sample->weight);
707 	tuple_set_u64(t, 17, es->sample->transaction);
708 	tuple_set_u64(t, 18, es->sample->data_src);
709 	tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK);
710 	tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX));
711 	tuple_set_u64(t, 21, es->call_path_id);
712 
713 	call_object(tables->sample_handler, t, "sample_table");
714 
715 	Py_DECREF(t);
716 
717 	return 0;
718 }
719 
720 static int python_export_call_path(struct db_export *dbe, struct call_path *cp)
721 {
722 	struct tables *tables = container_of(dbe, struct tables, dbe);
723 	PyObject *t;
724 	u64 parent_db_id, sym_db_id;
725 
726 	parent_db_id = cp->parent ? cp->parent->db_id : 0;
727 	sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0;
728 
729 	t = tuple_new(4);
730 
731 	tuple_set_u64(t, 0, cp->db_id);
732 	tuple_set_u64(t, 1, parent_db_id);
733 	tuple_set_u64(t, 2, sym_db_id);
734 	tuple_set_u64(t, 3, cp->ip);
735 
736 	call_object(tables->call_path_handler, t, "call_path_table");
737 
738 	Py_DECREF(t);
739 
740 	return 0;
741 }
742 
743 static int python_export_call_return(struct db_export *dbe,
744 				     struct call_return *cr)
745 {
746 	struct tables *tables = container_of(dbe, struct tables, dbe);
747 	u64 comm_db_id = cr->comm ? cr->comm->db_id : 0;
748 	PyObject *t;
749 
750 	t = tuple_new(11);
751 
752 	tuple_set_u64(t, 0, cr->db_id);
753 	tuple_set_u64(t, 1, cr->thread->db_id);
754 	tuple_set_u64(t, 2, comm_db_id);
755 	tuple_set_u64(t, 3, cr->cp->db_id);
756 	tuple_set_u64(t, 4, cr->call_time);
757 	tuple_set_u64(t, 5, cr->return_time);
758 	tuple_set_u64(t, 6, cr->branch_count);
759 	tuple_set_u64(t, 7, cr->call_ref);
760 	tuple_set_u64(t, 8, cr->return_ref);
761 	tuple_set_u64(t, 9, cr->cp->parent->db_id);
762 	tuple_set_s32(t, 10, cr->flags);
763 
764 	call_object(tables->call_return_handler, t, "call_return_table");
765 
766 	Py_DECREF(t);
767 
768 	return 0;
769 }
770 
771 static int python_process_call_return(struct call_return *cr, void *data)
772 {
773 	struct db_export *dbe = data;
774 
775 	return db_export__call_return(dbe, cr);
776 }
777 
778 static void python_process_general_event(struct perf_sample *sample,
779 					 struct perf_evsel *evsel,
780 					 struct addr_location *al)
781 {
782 	PyObject *handler, *t, *dict, *callchain, *dict_sample;
783 	static char handler_name[64];
784 	unsigned n = 0;
785 
786 	/*
787 	 * Use the MAX_FIELDS to make the function expandable, though
788 	 * currently there is only one item for the tuple.
789 	 */
790 	t = PyTuple_New(MAX_FIELDS);
791 	if (!t)
792 		Py_FatalError("couldn't create Python tuple");
793 
794 	dict = PyDict_New();
795 	if (!dict)
796 		Py_FatalError("couldn't create Python dictionary");
797 
798 	dict_sample = PyDict_New();
799 	if (!dict_sample)
800 		Py_FatalError("couldn't create Python dictionary");
801 
802 	snprintf(handler_name, sizeof(handler_name), "%s", "process_event");
803 
804 	handler = get_handler(handler_name);
805 	if (!handler)
806 		goto exit;
807 
808 	pydict_set_item_string_decref(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel)));
809 	pydict_set_item_string_decref(dict, "attr", PyString_FromStringAndSize(
810 			(const char *)&evsel->attr, sizeof(evsel->attr)));
811 
812 	pydict_set_item_string_decref(dict_sample, "pid",
813 			PyInt_FromLong(sample->pid));
814 	pydict_set_item_string_decref(dict_sample, "tid",
815 			PyInt_FromLong(sample->tid));
816 	pydict_set_item_string_decref(dict_sample, "cpu",
817 			PyInt_FromLong(sample->cpu));
818 	pydict_set_item_string_decref(dict_sample, "ip",
819 			PyLong_FromUnsignedLongLong(sample->ip));
820 	pydict_set_item_string_decref(dict_sample, "time",
821 			PyLong_FromUnsignedLongLong(sample->time));
822 	pydict_set_item_string_decref(dict_sample, "period",
823 			PyLong_FromUnsignedLongLong(sample->period));
824 	pydict_set_item_string_decref(dict, "sample", dict_sample);
825 
826 	pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize(
827 			(const char *)sample->raw_data, sample->raw_size));
828 	pydict_set_item_string_decref(dict, "comm",
829 			PyString_FromString(thread__comm_str(al->thread)));
830 	if (al->map) {
831 		pydict_set_item_string_decref(dict, "dso",
832 			PyString_FromString(al->map->dso->name));
833 	}
834 	if (al->sym) {
835 		pydict_set_item_string_decref(dict, "symbol",
836 			PyString_FromString(al->sym->name));
837 	}
838 
839 	/* ip unwinding */
840 	callchain = python_process_callchain(sample, evsel, al);
841 	pydict_set_item_string_decref(dict, "callchain", callchain);
842 
843 	PyTuple_SetItem(t, n++, dict);
844 	if (_PyTuple_Resize(&t, n) == -1)
845 		Py_FatalError("error resizing Python tuple");
846 
847 	call_object(handler, t, handler_name);
848 exit:
849 	Py_DECREF(dict);
850 	Py_DECREF(t);
851 }
852 
853 static void python_process_event(union perf_event *event,
854 				 struct perf_sample *sample,
855 				 struct perf_evsel *evsel,
856 				 struct addr_location *al)
857 {
858 	struct tables *tables = &tables_global;
859 
860 	switch (evsel->attr.type) {
861 	case PERF_TYPE_TRACEPOINT:
862 		python_process_tracepoint(sample, evsel, al);
863 		break;
864 	/* Reserve for future process_hw/sw/raw APIs */
865 	default:
866 		if (tables->db_export_mode)
867 			db_export__sample(&tables->dbe, event, sample, evsel, al);
868 		else
869 			python_process_general_event(sample, evsel, al);
870 	}
871 }
872 
873 static void get_handler_name(char *str, size_t size,
874 			     struct perf_evsel *evsel)
875 {
876 	char *p = str;
877 
878 	scnprintf(str, size, "stat__%s", perf_evsel__name(evsel));
879 
880 	while ((p = strchr(p, ':'))) {
881 		*p = '_';
882 		p++;
883 	}
884 }
885 
886 static void
887 process_stat(struct perf_evsel *counter, int cpu, int thread, u64 tstamp,
888 	     struct perf_counts_values *count)
889 {
890 	PyObject *handler, *t;
891 	static char handler_name[256];
892 	int n = 0;
893 
894 	t = PyTuple_New(MAX_FIELDS);
895 	if (!t)
896 		Py_FatalError("couldn't create Python tuple");
897 
898 	get_handler_name(handler_name, sizeof(handler_name),
899 			 counter);
900 
901 	handler = get_handler(handler_name);
902 	if (!handler) {
903 		pr_debug("can't find python handler %s\n", handler_name);
904 		return;
905 	}
906 
907 	PyTuple_SetItem(t, n++, PyInt_FromLong(cpu));
908 	PyTuple_SetItem(t, n++, PyInt_FromLong(thread));
909 
910 	tuple_set_u64(t, n++, tstamp);
911 	tuple_set_u64(t, n++, count->val);
912 	tuple_set_u64(t, n++, count->ena);
913 	tuple_set_u64(t, n++, count->run);
914 
915 	if (_PyTuple_Resize(&t, n) == -1)
916 		Py_FatalError("error resizing Python tuple");
917 
918 	call_object(handler, t, handler_name);
919 
920 	Py_DECREF(t);
921 }
922 
923 static void python_process_stat(struct perf_stat_config *config,
924 				struct perf_evsel *counter, u64 tstamp)
925 {
926 	struct thread_map *threads = counter->threads;
927 	struct cpu_map *cpus = counter->cpus;
928 	int cpu, thread;
929 
930 	if (config->aggr_mode == AGGR_GLOBAL) {
931 		process_stat(counter, -1, -1, tstamp,
932 			     &counter->counts->aggr);
933 		return;
934 	}
935 
936 	for (thread = 0; thread < threads->nr; thread++) {
937 		for (cpu = 0; cpu < cpus->nr; cpu++) {
938 			process_stat(counter, cpus->map[cpu],
939 				     thread_map__pid(threads, thread), tstamp,
940 				     perf_counts(counter->counts, cpu, thread));
941 		}
942 	}
943 }
944 
945 static void python_process_stat_interval(u64 tstamp)
946 {
947 	PyObject *handler, *t;
948 	static const char handler_name[] = "stat__interval";
949 	int n = 0;
950 
951 	t = PyTuple_New(MAX_FIELDS);
952 	if (!t)
953 		Py_FatalError("couldn't create Python tuple");
954 
955 	handler = get_handler(handler_name);
956 	if (!handler) {
957 		pr_debug("can't find python handler %s\n", handler_name);
958 		return;
959 	}
960 
961 	tuple_set_u64(t, n++, tstamp);
962 
963 	if (_PyTuple_Resize(&t, n) == -1)
964 		Py_FatalError("error resizing Python tuple");
965 
966 	call_object(handler, t, handler_name);
967 
968 	Py_DECREF(t);
969 }
970 
971 static int run_start_sub(void)
972 {
973 	main_module = PyImport_AddModule("__main__");
974 	if (main_module == NULL)
975 		return -1;
976 	Py_INCREF(main_module);
977 
978 	main_dict = PyModule_GetDict(main_module);
979 	if (main_dict == NULL)
980 		goto error;
981 	Py_INCREF(main_dict);
982 
983 	try_call_object("trace_begin", NULL);
984 
985 	return 0;
986 
987 error:
988 	Py_XDECREF(main_dict);
989 	Py_XDECREF(main_module);
990 	return -1;
991 }
992 
993 #define SET_TABLE_HANDLER_(name, handler_name, table_name) do {		\
994 	tables->handler_name = get_handler(#table_name);		\
995 	if (tables->handler_name)					\
996 		tables->dbe.export_ ## name = python_export_ ## name;	\
997 } while (0)
998 
999 #define SET_TABLE_HANDLER(name) \
1000 	SET_TABLE_HANDLER_(name, name ## _handler, name ## _table)
1001 
1002 static void set_table_handlers(struct tables *tables)
1003 {
1004 	const char *perf_db_export_mode = "perf_db_export_mode";
1005 	const char *perf_db_export_calls = "perf_db_export_calls";
1006 	const char *perf_db_export_callchains = "perf_db_export_callchains";
1007 	PyObject *db_export_mode, *db_export_calls, *db_export_callchains;
1008 	bool export_calls = false;
1009 	bool export_callchains = false;
1010 	int ret;
1011 
1012 	memset(tables, 0, sizeof(struct tables));
1013 	if (db_export__init(&tables->dbe))
1014 		Py_FatalError("failed to initialize export");
1015 
1016 	db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode);
1017 	if (!db_export_mode)
1018 		return;
1019 
1020 	ret = PyObject_IsTrue(db_export_mode);
1021 	if (ret == -1)
1022 		handler_call_die(perf_db_export_mode);
1023 	if (!ret)
1024 		return;
1025 
1026 	/* handle export calls */
1027 	tables->dbe.crp = NULL;
1028 	db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls);
1029 	if (db_export_calls) {
1030 		ret = PyObject_IsTrue(db_export_calls);
1031 		if (ret == -1)
1032 			handler_call_die(perf_db_export_calls);
1033 		export_calls = !!ret;
1034 	}
1035 
1036 	if (export_calls) {
1037 		tables->dbe.crp =
1038 			call_return_processor__new(python_process_call_return,
1039 						   &tables->dbe);
1040 		if (!tables->dbe.crp)
1041 			Py_FatalError("failed to create calls processor");
1042 	}
1043 
1044 	/* handle export callchains */
1045 	tables->dbe.cpr = NULL;
1046 	db_export_callchains = PyDict_GetItemString(main_dict,
1047 						    perf_db_export_callchains);
1048 	if (db_export_callchains) {
1049 		ret = PyObject_IsTrue(db_export_callchains);
1050 		if (ret == -1)
1051 			handler_call_die(perf_db_export_callchains);
1052 		export_callchains = !!ret;
1053 	}
1054 
1055 	if (export_callchains) {
1056 		/*
1057 		 * Attempt to use the call path root from the call return
1058 		 * processor, if the call return processor is in use. Otherwise,
1059 		 * we allocate a new call path root. This prevents exporting
1060 		 * duplicate call path ids when both are in use simultaniously.
1061 		 */
1062 		if (tables->dbe.crp)
1063 			tables->dbe.cpr = tables->dbe.crp->cpr;
1064 		else
1065 			tables->dbe.cpr = call_path_root__new();
1066 
1067 		if (!tables->dbe.cpr)
1068 			Py_FatalError("failed to create call path root");
1069 	}
1070 
1071 	tables->db_export_mode = true;
1072 	/*
1073 	 * Reserve per symbol space for symbol->db_id via symbol__priv()
1074 	 */
1075 	symbol_conf.priv_size = sizeof(u64);
1076 
1077 	SET_TABLE_HANDLER(evsel);
1078 	SET_TABLE_HANDLER(machine);
1079 	SET_TABLE_HANDLER(thread);
1080 	SET_TABLE_HANDLER(comm);
1081 	SET_TABLE_HANDLER(comm_thread);
1082 	SET_TABLE_HANDLER(dso);
1083 	SET_TABLE_HANDLER(symbol);
1084 	SET_TABLE_HANDLER(branch_type);
1085 	SET_TABLE_HANDLER(sample);
1086 	SET_TABLE_HANDLER(call_path);
1087 	SET_TABLE_HANDLER(call_return);
1088 }
1089 
1090 /*
1091  * Start trace script
1092  */
1093 static int python_start_script(const char *script, int argc, const char **argv)
1094 {
1095 	struct tables *tables = &tables_global;
1096 	const char **command_line;
1097 	char buf[PATH_MAX];
1098 	int i, err = 0;
1099 	FILE *fp;
1100 
1101 	command_line = malloc((argc + 1) * sizeof(const char *));
1102 	command_line[0] = script;
1103 	for (i = 1; i < argc + 1; i++)
1104 		command_line[i] = argv[i - 1];
1105 
1106 	Py_Initialize();
1107 
1108 	initperf_trace_context();
1109 
1110 	PySys_SetArgv(argc + 1, (char **)command_line);
1111 
1112 	fp = fopen(script, "r");
1113 	if (!fp) {
1114 		sprintf(buf, "Can't open python script \"%s\"", script);
1115 		perror(buf);
1116 		err = -1;
1117 		goto error;
1118 	}
1119 
1120 	err = PyRun_SimpleFile(fp, script);
1121 	if (err) {
1122 		fprintf(stderr, "Error running python script %s\n", script);
1123 		goto error;
1124 	}
1125 
1126 	err = run_start_sub();
1127 	if (err) {
1128 		fprintf(stderr, "Error starting python script %s\n", script);
1129 		goto error;
1130 	}
1131 
1132 	set_table_handlers(tables);
1133 
1134 	if (tables->db_export_mode) {
1135 		err = db_export__branch_types(&tables->dbe);
1136 		if (err)
1137 			goto error;
1138 	}
1139 
1140 	free(command_line);
1141 
1142 	return err;
1143 error:
1144 	Py_Finalize();
1145 	free(command_line);
1146 
1147 	return err;
1148 }
1149 
1150 static int python_flush_script(void)
1151 {
1152 	struct tables *tables = &tables_global;
1153 
1154 	return db_export__flush(&tables->dbe);
1155 }
1156 
1157 /*
1158  * Stop trace script
1159  */
1160 static int python_stop_script(void)
1161 {
1162 	struct tables *tables = &tables_global;
1163 
1164 	try_call_object("trace_end", NULL);
1165 
1166 	db_export__exit(&tables->dbe);
1167 
1168 	Py_XDECREF(main_dict);
1169 	Py_XDECREF(main_module);
1170 	Py_Finalize();
1171 
1172 	return 0;
1173 }
1174 
1175 static int python_generate_script(struct pevent *pevent, const char *outfile)
1176 {
1177 	struct event_format *event = NULL;
1178 	struct format_field *f;
1179 	char fname[PATH_MAX];
1180 	int not_first, count;
1181 	FILE *ofp;
1182 
1183 	sprintf(fname, "%s.py", outfile);
1184 	ofp = fopen(fname, "w");
1185 	if (ofp == NULL) {
1186 		fprintf(stderr, "couldn't open %s\n", fname);
1187 		return -1;
1188 	}
1189 	fprintf(ofp, "# perf script event handlers, "
1190 		"generated by perf script -g python\n");
1191 
1192 	fprintf(ofp, "# Licensed under the terms of the GNU GPL"
1193 		" License version 2\n\n");
1194 
1195 	fprintf(ofp, "# The common_* event handler fields are the most useful "
1196 		"fields common to\n");
1197 
1198 	fprintf(ofp, "# all events.  They don't necessarily correspond to "
1199 		"the 'common_*' fields\n");
1200 
1201 	fprintf(ofp, "# in the format files.  Those fields not available as "
1202 		"handler params can\n");
1203 
1204 	fprintf(ofp, "# be retrieved using Python functions of the form "
1205 		"common_*(context).\n");
1206 
1207 	fprintf(ofp, "# See the perf-trace-python Documentation for the list "
1208 		"of available functions.\n\n");
1209 
1210 	fprintf(ofp, "import os\n");
1211 	fprintf(ofp, "import sys\n\n");
1212 
1213 	fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n");
1214 	fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n");
1215 	fprintf(ofp, "\nfrom perf_trace_context import *\n");
1216 	fprintf(ofp, "from Core import *\n\n\n");
1217 
1218 	fprintf(ofp, "def trace_begin():\n");
1219 	fprintf(ofp, "\tprint \"in trace_begin\"\n\n");
1220 
1221 	fprintf(ofp, "def trace_end():\n");
1222 	fprintf(ofp, "\tprint \"in trace_end\"\n\n");
1223 
1224 	while ((event = trace_find_next_event(pevent, event))) {
1225 		fprintf(ofp, "def %s__%s(", event->system, event->name);
1226 		fprintf(ofp, "event_name, ");
1227 		fprintf(ofp, "context, ");
1228 		fprintf(ofp, "common_cpu,\n");
1229 		fprintf(ofp, "\tcommon_secs, ");
1230 		fprintf(ofp, "common_nsecs, ");
1231 		fprintf(ofp, "common_pid, ");
1232 		fprintf(ofp, "common_comm,\n\t");
1233 		fprintf(ofp, "common_callchain, ");
1234 
1235 		not_first = 0;
1236 		count = 0;
1237 
1238 		for (f = event->format.fields; f; f = f->next) {
1239 			if (not_first++)
1240 				fprintf(ofp, ", ");
1241 			if (++count % 5 == 0)
1242 				fprintf(ofp, "\n\t");
1243 
1244 			fprintf(ofp, "%s", f->name);
1245 		}
1246 		fprintf(ofp, "):\n");
1247 
1248 		fprintf(ofp, "\t\tprint_header(event_name, common_cpu, "
1249 			"common_secs, common_nsecs,\n\t\t\t"
1250 			"common_pid, common_comm)\n\n");
1251 
1252 		fprintf(ofp, "\t\tprint \"");
1253 
1254 		not_first = 0;
1255 		count = 0;
1256 
1257 		for (f = event->format.fields; f; f = f->next) {
1258 			if (not_first++)
1259 				fprintf(ofp, ", ");
1260 			if (count && count % 3 == 0) {
1261 				fprintf(ofp, "\" \\\n\t\t\"");
1262 			}
1263 			count++;
1264 
1265 			fprintf(ofp, "%s=", f->name);
1266 			if (f->flags & FIELD_IS_STRING ||
1267 			    f->flags & FIELD_IS_FLAG ||
1268 			    f->flags & FIELD_IS_ARRAY ||
1269 			    f->flags & FIELD_IS_SYMBOLIC)
1270 				fprintf(ofp, "%%s");
1271 			else if (f->flags & FIELD_IS_SIGNED)
1272 				fprintf(ofp, "%%d");
1273 			else
1274 				fprintf(ofp, "%%u");
1275 		}
1276 
1277 		fprintf(ofp, "\" %% \\\n\t\t(");
1278 
1279 		not_first = 0;
1280 		count = 0;
1281 
1282 		for (f = event->format.fields; f; f = f->next) {
1283 			if (not_first++)
1284 				fprintf(ofp, ", ");
1285 
1286 			if (++count % 5 == 0)
1287 				fprintf(ofp, "\n\t\t");
1288 
1289 			if (f->flags & FIELD_IS_FLAG) {
1290 				if ((count - 1) % 5 != 0) {
1291 					fprintf(ofp, "\n\t\t");
1292 					count = 4;
1293 				}
1294 				fprintf(ofp, "flag_str(\"");
1295 				fprintf(ofp, "%s__%s\", ", event->system,
1296 					event->name);
1297 				fprintf(ofp, "\"%s\", %s)", f->name,
1298 					f->name);
1299 			} else if (f->flags & FIELD_IS_SYMBOLIC) {
1300 				if ((count - 1) % 5 != 0) {
1301 					fprintf(ofp, "\n\t\t");
1302 					count = 4;
1303 				}
1304 				fprintf(ofp, "symbol_str(\"");
1305 				fprintf(ofp, "%s__%s\", ", event->system,
1306 					event->name);
1307 				fprintf(ofp, "\"%s\", %s)", f->name,
1308 					f->name);
1309 			} else
1310 				fprintf(ofp, "%s", f->name);
1311 		}
1312 
1313 		fprintf(ofp, ")\n\n");
1314 
1315 		fprintf(ofp, "\t\tfor node in common_callchain:");
1316 		fprintf(ofp, "\n\t\t\tif 'sym' in node:");
1317 		fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])");
1318 		fprintf(ofp, "\n\t\t\telse:");
1319 		fprintf(ofp, "\n\t\t\t\tprint \"\t[%%x]\" %% (node['ip'])\n\n");
1320 		fprintf(ofp, "\t\tprint \"\\n\"\n\n");
1321 
1322 	}
1323 
1324 	fprintf(ofp, "def trace_unhandled(event_name, context, "
1325 		"event_fields_dict):\n");
1326 
1327 	fprintf(ofp, "\t\tprint ' '.join(['%%s=%%s'%%(k,str(v))"
1328 		"for k,v in sorted(event_fields_dict.items())])\n\n");
1329 
1330 	fprintf(ofp, "def print_header("
1331 		"event_name, cpu, secs, nsecs, pid, comm):\n"
1332 		"\tprint \"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t"
1333 		"(event_name, cpu, secs, nsecs, pid, comm),\n");
1334 
1335 	fclose(ofp);
1336 
1337 	fprintf(stderr, "generated Python script: %s\n", fname);
1338 
1339 	return 0;
1340 }
1341 
1342 struct scripting_ops python_scripting_ops = {
1343 	.name			= "Python",
1344 	.start_script		= python_start_script,
1345 	.flush_script		= python_flush_script,
1346 	.stop_script		= python_stop_script,
1347 	.process_event		= python_process_event,
1348 	.process_stat		= python_process_stat,
1349 	.process_stat_interval	= python_process_stat_interval,
1350 	.generate_script	= python_generate_script,
1351 };
1352