2 * trace-event-python. Feed trace events to an embedded Python interpreter.
4 * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
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.
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.
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
30 #include <linux/bitmap.h>
31 #include <linux/compiler.h>
32 #include <linux/time64.h>
34 #include "../build-id.h"
35 #include "../counts.h"
38 #include "../callchain.h"
41 #include "../thread.h"
43 #include "../machine.h"
44 #include "../db-export.h"
45 #include "../thread-stack.h"
46 #include "../trace-event.h"
47 #include "../call-path.h"
50 #include "thread_map.h"
51 #include "print_binary.h"
53 #include "mem-events.h"
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) \
64 #define _PyLong_AsLong(arg) \
66 #define _PyCapsule_New(arg1, arg2, arg3) \
67 PyCObject_FromVoidPtr((arg1), (arg2))
69 PyMODINIT_FUNC initperf_trace_context(void);
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) \
79 #define _PyLong_AsLong(arg) \
81 #define _PyCapsule_New(arg1, arg2, arg3) \
82 PyCapsule_New((arg1), (arg2), (arg3))
84 PyMODINIT_FUNC PyInit_perf_trace_context(void);
87 #define TRACE_EVENT_TYPE_MAX \
88 ((1 << (sizeof(unsigned short) * 8)) - 1)
90 static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
93 #define N_COMMON_FIELDS 7
95 extern struct scripting_context *scripting_context;
97 static char *cur_field_name;
98 static int zero_flag_atom;
100 static PyObject *main_module, *main_dict;
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;
111 PyObject *branch_type_handler;
112 PyObject *sample_handler;
113 PyObject *call_path_handler;
114 PyObject *call_return_handler;
115 PyObject *synth_handler;
116 PyObject *context_switch_handler;
120 static struct tables tables_global;
122 static void handler_call_die(const char *handler_name) __noreturn;
123 static void handler_call_die(const char *handler_name)
126 Py_FatalError("problem in Python trace event handler");
127 // Py_FatalError does not return
128 // but we have to make the compiler happy
133 * Insert val into into the dictionary and decrement the reference counter.
134 * This is necessary for dictionaries since PyDict_SetItemString() does not
135 * steal a reference, as opposed to PyTuple_SetItem().
137 static void pydict_set_item_string_decref(PyObject *dict, const char *key, PyObject *val)
139 PyDict_SetItemString(dict, key, val);
143 static PyObject *get_handler(const char *handler_name)
147 handler = PyDict_GetItemString(main_dict, handler_name);
148 if (handler && !PyCallable_Check(handler))
153 static int get_argument_count(PyObject *handler)
158 * The attribute for the code object is func_code in Python 2,
159 * whereas it is __code__ in Python 3.0+.
161 PyObject *code_obj = PyObject_GetAttrString(handler,
163 if (PyErr_Occurred()) {
165 code_obj = PyObject_GetAttrString(handler,
170 PyObject *arg_count_obj = PyObject_GetAttrString(code_obj,
173 arg_count = (int) _PyLong_AsLong(arg_count_obj);
174 Py_DECREF(arg_count_obj);
181 static void call_object(PyObject *handler, PyObject *args, const char *die_msg)
185 retval = PyObject_CallObject(handler, args);
187 handler_call_die(die_msg);
191 static void try_call_object(const char *handler_name, PyObject *args)
195 handler = get_handler(handler_name);
197 call_object(handler, args, handler_name);
200 static void define_value(enum tep_print_arg_type field_type,
202 const char *field_name,
203 const char *field_value,
204 const char *field_str)
206 const char *handler_name = "define_flag_value";
208 unsigned long long value;
211 if (field_type == TEP_PRINT_SYMBOL)
212 handler_name = "define_symbolic_value";
216 Py_FatalError("couldn't create Python tuple");
218 value = eval_flag(field_value);
220 PyTuple_SetItem(t, n++, _PyUnicode_FromString(ev_name));
221 PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_name));
222 PyTuple_SetItem(t, n++, _PyLong_FromLong(value));
223 PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_str));
225 try_call_object(handler_name, t);
230 static void define_values(enum tep_print_arg_type field_type,
231 struct tep_print_flag_sym *field,
233 const char *field_name)
235 define_value(field_type, ev_name, field_name, field->value,
239 define_values(field_type, field->next, ev_name, field_name);
242 static void define_field(enum tep_print_arg_type field_type,
244 const char *field_name,
247 const char *handler_name = "define_flag_field";
251 if (field_type == TEP_PRINT_SYMBOL)
252 handler_name = "define_symbolic_field";
254 if (field_type == TEP_PRINT_FLAGS)
259 Py_FatalError("couldn't create Python tuple");
261 PyTuple_SetItem(t, n++, _PyUnicode_FromString(ev_name));
262 PyTuple_SetItem(t, n++, _PyUnicode_FromString(field_name));
263 if (field_type == TEP_PRINT_FLAGS)
264 PyTuple_SetItem(t, n++, _PyUnicode_FromString(delim));
266 try_call_object(handler_name, t);
271 static void define_event_symbols(struct tep_event *event,
273 struct tep_print_arg *args)
278 switch (args->type) {
282 define_value(TEP_PRINT_FLAGS, ev_name, cur_field_name, "0",
286 case TEP_PRINT_FIELD:
287 free(cur_field_name);
288 cur_field_name = strdup(args->field.name);
290 case TEP_PRINT_FLAGS:
291 define_event_symbols(event, ev_name, args->flags.field);
292 define_field(TEP_PRINT_FLAGS, ev_name, cur_field_name,
294 define_values(TEP_PRINT_FLAGS, args->flags.flags, ev_name,
297 case TEP_PRINT_SYMBOL:
298 define_event_symbols(event, ev_name, args->symbol.field);
299 define_field(TEP_PRINT_SYMBOL, ev_name, cur_field_name, NULL);
300 define_values(TEP_PRINT_SYMBOL, args->symbol.symbols, ev_name,
304 case TEP_PRINT_HEX_STR:
305 define_event_symbols(event, ev_name, args->hex.field);
306 define_event_symbols(event, ev_name, args->hex.size);
308 case TEP_PRINT_INT_ARRAY:
309 define_event_symbols(event, ev_name, args->int_array.field);
310 define_event_symbols(event, ev_name, args->int_array.count);
311 define_event_symbols(event, ev_name, args->int_array.el_size);
313 case TEP_PRINT_STRING:
316 define_event_symbols(event, ev_name, args->typecast.item);
319 if (strcmp(args->op.op, ":") == 0)
321 define_event_symbols(event, ev_name, args->op.left);
322 define_event_symbols(event, ev_name, args->op.right);
325 /* gcc warns for these? */
326 case TEP_PRINT_BSTRING:
327 case TEP_PRINT_DYNAMIC_ARRAY:
328 case TEP_PRINT_DYNAMIC_ARRAY_LEN:
330 case TEP_PRINT_BITMASK:
331 /* we should warn... */
336 define_event_symbols(event, ev_name, args->next);
339 static PyObject *get_field_numeric_entry(struct tep_event *event,
340 struct tep_format_field *field, void *data)
342 bool is_array = field->flags & TEP_FIELD_IS_ARRAY;
343 PyObject *obj = NULL, *list = NULL;
344 unsigned long long val;
345 unsigned int item_size, n_items, i;
348 list = PyList_New(field->arraylen);
349 item_size = field->size / field->arraylen;
350 n_items = field->arraylen;
352 item_size = field->size;
356 for (i = 0; i < n_items; i++) {
358 val = read_size(event, data + field->offset + i * item_size,
360 if (field->flags & TEP_FIELD_IS_SIGNED) {
361 if ((long long)val >= LONG_MIN &&
362 (long long)val <= LONG_MAX)
363 obj = _PyLong_FromLong(val);
365 obj = PyLong_FromLongLong(val);
368 obj = _PyLong_FromLong(val);
370 obj = PyLong_FromUnsignedLongLong(val);
373 PyList_SET_ITEM(list, i, obj);
380 static const char *get_dsoname(struct map *map)
382 const char *dsoname = "[unknown]";
384 if (map && map->dso) {
385 if (symbol_conf.show_kernel_path && map->dso->long_name)
386 dsoname = map->dso->long_name;
388 dsoname = map->dso->name;
394 static PyObject *python_process_callchain(struct perf_sample *sample,
396 struct addr_location *al)
400 pylist = PyList_New(0);
402 Py_FatalError("couldn't create Python list");
404 if (!symbol_conf.use_callchain || !sample->callchain)
407 if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
409 scripting_max_stack) != 0) {
410 pr_err("Failed to resolve callchain. Skipping\n");
413 callchain_cursor_commit(&callchain_cursor);
418 struct callchain_cursor_node *node;
419 node = callchain_cursor_current(&callchain_cursor);
423 pyelem = PyDict_New();
425 Py_FatalError("couldn't create Python dictionary");
428 pydict_set_item_string_decref(pyelem, "ip",
429 PyLong_FromUnsignedLongLong(node->ip));
432 PyObject *pysym = PyDict_New();
434 Py_FatalError("couldn't create Python dictionary");
435 pydict_set_item_string_decref(pysym, "start",
436 PyLong_FromUnsignedLongLong(node->sym->start));
437 pydict_set_item_string_decref(pysym, "end",
438 PyLong_FromUnsignedLongLong(node->sym->end));
439 pydict_set_item_string_decref(pysym, "binding",
440 _PyLong_FromLong(node->sym->binding));
441 pydict_set_item_string_decref(pysym, "name",
442 _PyUnicode_FromStringAndSize(node->sym->name,
443 node->sym->namelen));
444 pydict_set_item_string_decref(pyelem, "sym", pysym);
448 const char *dsoname = get_dsoname(node->map);
450 pydict_set_item_string_decref(pyelem, "dso",
451 _PyUnicode_FromString(dsoname));
454 callchain_cursor_advance(&callchain_cursor);
455 PyList_Append(pylist, pyelem);
463 static PyObject *python_process_brstack(struct perf_sample *sample,
464 struct thread *thread)
466 struct branch_stack *br = sample->branch_stack;
470 pylist = PyList_New(0);
472 Py_FatalError("couldn't create Python list");
477 for (i = 0; i < br->nr; i++) {
479 struct addr_location al;
482 pyelem = PyDict_New();
484 Py_FatalError("couldn't create Python dictionary");
486 pydict_set_item_string_decref(pyelem, "from",
487 PyLong_FromUnsignedLongLong(br->entries[i].from));
488 pydict_set_item_string_decref(pyelem, "to",
489 PyLong_FromUnsignedLongLong(br->entries[i].to));
490 pydict_set_item_string_decref(pyelem, "mispred",
491 PyBool_FromLong(br->entries[i].flags.mispred));
492 pydict_set_item_string_decref(pyelem, "predicted",
493 PyBool_FromLong(br->entries[i].flags.predicted));
494 pydict_set_item_string_decref(pyelem, "in_tx",
495 PyBool_FromLong(br->entries[i].flags.in_tx));
496 pydict_set_item_string_decref(pyelem, "abort",
497 PyBool_FromLong(br->entries[i].flags.abort));
498 pydict_set_item_string_decref(pyelem, "cycles",
499 PyLong_FromUnsignedLongLong(br->entries[i].flags.cycles));
501 thread__find_map_fb(thread, sample->cpumode,
502 br->entries[i].from, &al);
503 dsoname = get_dsoname(al.map);
504 pydict_set_item_string_decref(pyelem, "from_dsoname",
505 _PyUnicode_FromString(dsoname));
507 thread__find_map_fb(thread, sample->cpumode,
508 br->entries[i].to, &al);
509 dsoname = get_dsoname(al.map);
510 pydict_set_item_string_decref(pyelem, "to_dsoname",
511 _PyUnicode_FromString(dsoname));
513 PyList_Append(pylist, pyelem);
521 static unsigned long get_offset(struct symbol *sym, struct addr_location *al)
523 unsigned long offset;
525 if (al->addr < sym->end)
526 offset = al->addr - sym->start;
528 offset = al->addr - al->map->start - sym->start;
533 static int get_symoff(struct symbol *sym, struct addr_location *al,
534 bool print_off, char *bf, int size)
536 unsigned long offset;
538 if (!sym || !sym->name[0])
539 return scnprintf(bf, size, "%s", "[unknown]");
542 return scnprintf(bf, size, "%s", sym->name);
544 offset = get_offset(sym, al);
546 return scnprintf(bf, size, "%s+0x%x", sym->name, offset);
549 static int get_br_mspred(struct branch_flags *flags, char *bf, int size)
551 if (!flags->mispred && !flags->predicted)
552 return scnprintf(bf, size, "%s", "-");
555 return scnprintf(bf, size, "%s", "M");
557 return scnprintf(bf, size, "%s", "P");
560 static PyObject *python_process_brstacksym(struct perf_sample *sample,
561 struct thread *thread)
563 struct branch_stack *br = sample->branch_stack;
567 struct addr_location al;
569 pylist = PyList_New(0);
571 Py_FatalError("couldn't create Python list");
576 for (i = 0; i < br->nr; i++) {
579 pyelem = PyDict_New();
581 Py_FatalError("couldn't create Python dictionary");
583 thread__find_symbol_fb(thread, sample->cpumode,
584 br->entries[i].from, &al);
585 get_symoff(al.sym, &al, true, bf, sizeof(bf));
586 pydict_set_item_string_decref(pyelem, "from",
587 _PyUnicode_FromString(bf));
589 thread__find_symbol_fb(thread, sample->cpumode,
590 br->entries[i].to, &al);
591 get_symoff(al.sym, &al, true, bf, sizeof(bf));
592 pydict_set_item_string_decref(pyelem, "to",
593 _PyUnicode_FromString(bf));
595 get_br_mspred(&br->entries[i].flags, bf, sizeof(bf));
596 pydict_set_item_string_decref(pyelem, "pred",
597 _PyUnicode_FromString(bf));
599 if (br->entries[i].flags.in_tx) {
600 pydict_set_item_string_decref(pyelem, "in_tx",
601 _PyUnicode_FromString("X"));
603 pydict_set_item_string_decref(pyelem, "in_tx",
604 _PyUnicode_FromString("-"));
607 if (br->entries[i].flags.abort) {
608 pydict_set_item_string_decref(pyelem, "abort",
609 _PyUnicode_FromString("A"));
611 pydict_set_item_string_decref(pyelem, "abort",
612 _PyUnicode_FromString("-"));
615 PyList_Append(pylist, pyelem);
623 static PyObject *get_sample_value_as_tuple(struct sample_read_value *value)
629 Py_FatalError("couldn't create Python tuple");
630 PyTuple_SetItem(t, 0, PyLong_FromUnsignedLongLong(value->id));
631 PyTuple_SetItem(t, 1, PyLong_FromUnsignedLongLong(value->value));
635 static void set_sample_read_in_dict(PyObject *dict_sample,
636 struct perf_sample *sample,
639 u64 read_format = evsel->core.attr.read_format;
643 if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
644 pydict_set_item_string_decref(dict_sample, "time_enabled",
645 PyLong_FromUnsignedLongLong(sample->read.time_enabled));
648 if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
649 pydict_set_item_string_decref(dict_sample, "time_running",
650 PyLong_FromUnsignedLongLong(sample->read.time_running));
653 if (read_format & PERF_FORMAT_GROUP)
654 values = PyList_New(sample->read.group.nr);
656 values = PyList_New(1);
659 Py_FatalError("couldn't create Python list");
661 if (read_format & PERF_FORMAT_GROUP) {
662 for (i = 0; i < sample->read.group.nr; i++) {
663 PyObject *t = get_sample_value_as_tuple(&sample->read.group.values[i]);
664 PyList_SET_ITEM(values, i, t);
667 PyObject *t = get_sample_value_as_tuple(&sample->read.one);
668 PyList_SET_ITEM(values, 0, t);
670 pydict_set_item_string_decref(dict_sample, "values", values);
673 static void set_sample_datasrc_in_dict(PyObject *dict,
674 struct perf_sample *sample)
676 struct mem_info mi = { .data_src.val = sample->data_src };
679 pydict_set_item_string_decref(dict, "datasrc",
680 PyLong_FromUnsignedLongLong(sample->data_src));
682 perf_script__meminfo_scnprintf(decode, 100, &mi);
684 pydict_set_item_string_decref(dict, "datasrc_decode",
685 _PyUnicode_FromString(decode));
688 static int regs_map(struct regs_dump *regs, uint64_t mask, char *bf, int size)
690 unsigned int i = 0, r;
695 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
696 u64 val = regs->regs[i++];
698 printed += scnprintf(bf + printed, size - printed,
699 "%5s:0x%" PRIx64 " ",
700 perf_reg_name(r), val);
706 static void set_regs_in_dict(PyObject *dict,
707 struct perf_sample *sample,
710 struct perf_event_attr *attr = &evsel->core.attr;
713 regs_map(&sample->intr_regs, attr->sample_regs_intr, bf, sizeof(bf));
715 pydict_set_item_string_decref(dict, "iregs",
716 _PyUnicode_FromString(bf));
718 regs_map(&sample->user_regs, attr->sample_regs_user, bf, sizeof(bf));
720 pydict_set_item_string_decref(dict, "uregs",
721 _PyUnicode_FromString(bf));
724 static PyObject *get_perf_sample_dict(struct perf_sample *sample,
726 struct addr_location *al,
729 PyObject *dict, *dict_sample, *brstack, *brstacksym;
733 Py_FatalError("couldn't create Python dictionary");
735 dict_sample = PyDict_New();
737 Py_FatalError("couldn't create Python dictionary");
739 pydict_set_item_string_decref(dict, "ev_name", _PyUnicode_FromString(perf_evsel__name(evsel)));
740 pydict_set_item_string_decref(dict, "attr", _PyBytes_FromStringAndSize((const char *)&evsel->core.attr, sizeof(evsel->core.attr)));
742 pydict_set_item_string_decref(dict_sample, "pid",
743 _PyLong_FromLong(sample->pid));
744 pydict_set_item_string_decref(dict_sample, "tid",
745 _PyLong_FromLong(sample->tid));
746 pydict_set_item_string_decref(dict_sample, "cpu",
747 _PyLong_FromLong(sample->cpu));
748 pydict_set_item_string_decref(dict_sample, "ip",
749 PyLong_FromUnsignedLongLong(sample->ip));
750 pydict_set_item_string_decref(dict_sample, "time",
751 PyLong_FromUnsignedLongLong(sample->time));
752 pydict_set_item_string_decref(dict_sample, "period",
753 PyLong_FromUnsignedLongLong(sample->period));
754 pydict_set_item_string_decref(dict_sample, "phys_addr",
755 PyLong_FromUnsignedLongLong(sample->phys_addr));
756 pydict_set_item_string_decref(dict_sample, "addr",
757 PyLong_FromUnsignedLongLong(sample->addr));
758 set_sample_read_in_dict(dict_sample, sample, evsel);
759 pydict_set_item_string_decref(dict_sample, "weight",
760 PyLong_FromUnsignedLongLong(sample->weight));
761 pydict_set_item_string_decref(dict_sample, "transaction",
762 PyLong_FromUnsignedLongLong(sample->transaction));
763 set_sample_datasrc_in_dict(dict_sample, sample);
764 pydict_set_item_string_decref(dict, "sample", dict_sample);
766 pydict_set_item_string_decref(dict, "raw_buf", _PyBytes_FromStringAndSize(
767 (const char *)sample->raw_data, sample->raw_size));
768 pydict_set_item_string_decref(dict, "comm",
769 _PyUnicode_FromString(thread__comm_str(al->thread)));
771 pydict_set_item_string_decref(dict, "dso",
772 _PyUnicode_FromString(al->map->dso->name));
775 pydict_set_item_string_decref(dict, "symbol",
776 _PyUnicode_FromString(al->sym->name));
779 pydict_set_item_string_decref(dict, "callchain", callchain);
781 brstack = python_process_brstack(sample, al->thread);
782 pydict_set_item_string_decref(dict, "brstack", brstack);
784 brstacksym = python_process_brstacksym(sample, al->thread);
785 pydict_set_item_string_decref(dict, "brstacksym", brstacksym);
787 set_regs_in_dict(dict, sample, evsel);
792 static void python_process_tracepoint(struct perf_sample *sample,
794 struct addr_location *al)
796 struct tep_event *event = evsel->tp_format;
797 PyObject *handler, *context, *t, *obj = NULL, *callchain;
798 PyObject *dict = NULL, *all_entries_dict = NULL;
799 static char handler_name[256];
800 struct tep_format_field *field;
804 int cpu = sample->cpu;
805 void *data = sample->raw_data;
806 unsigned long long nsecs = sample->time;
807 const char *comm = thread__comm_str(al->thread);
808 const char *default_handler_name = "trace_unhandled";
811 snprintf(handler_name, sizeof(handler_name),
812 "ug! no event found for type %" PRIu64, (u64)evsel->core.attr.config);
813 Py_FatalError(handler_name);
816 pid = raw_field_value(event, "common_pid", data);
818 sprintf(handler_name, "%s__%s", event->system, event->name);
820 if (!test_and_set_bit(event->id, events_defined))
821 define_event_symbols(event, handler_name, event->print_fmt.args);
823 handler = get_handler(handler_name);
825 handler = get_handler(default_handler_name);
830 Py_FatalError("couldn't create Python dict");
833 t = PyTuple_New(MAX_FIELDS);
835 Py_FatalError("couldn't create Python tuple");
838 s = nsecs / NSEC_PER_SEC;
839 ns = nsecs - s * NSEC_PER_SEC;
841 scripting_context->event_data = data;
842 scripting_context->pevent = evsel->tp_format->tep;
844 context = _PyCapsule_New(scripting_context, NULL, NULL);
846 PyTuple_SetItem(t, n++, _PyUnicode_FromString(handler_name));
847 PyTuple_SetItem(t, n++, context);
850 callchain = python_process_callchain(sample, evsel, al);
851 /* Need an additional reference for the perf_sample dict */
852 Py_INCREF(callchain);
855 PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu));
856 PyTuple_SetItem(t, n++, _PyLong_FromLong(s));
857 PyTuple_SetItem(t, n++, _PyLong_FromLong(ns));
858 PyTuple_SetItem(t, n++, _PyLong_FromLong(pid));
859 PyTuple_SetItem(t, n++, _PyUnicode_FromString(comm));
860 PyTuple_SetItem(t, n++, callchain);
862 pydict_set_item_string_decref(dict, "common_cpu", _PyLong_FromLong(cpu));
863 pydict_set_item_string_decref(dict, "common_s", _PyLong_FromLong(s));
864 pydict_set_item_string_decref(dict, "common_ns", _PyLong_FromLong(ns));
865 pydict_set_item_string_decref(dict, "common_pid", _PyLong_FromLong(pid));
866 pydict_set_item_string_decref(dict, "common_comm", _PyUnicode_FromString(comm));
867 pydict_set_item_string_decref(dict, "common_callchain", callchain);
869 for (field = event->format.fields; field; field = field->next) {
870 unsigned int offset, len;
871 unsigned long long val;
873 if (field->flags & TEP_FIELD_IS_ARRAY) {
874 offset = field->offset;
876 if (field->flags & TEP_FIELD_IS_DYNAMIC) {
877 val = tep_read_number(scripting_context->pevent,
883 if (field->flags & TEP_FIELD_IS_STRING &&
884 is_printable_array(data + offset, len)) {
885 obj = _PyUnicode_FromString((char *) data + offset);
887 obj = PyByteArray_FromStringAndSize((const char *) data + offset, len);
888 field->flags &= ~TEP_FIELD_IS_STRING;
890 } else { /* FIELD_IS_NUMERIC */
891 obj = get_field_numeric_entry(event, field, data);
894 PyTuple_SetItem(t, n++, obj);
896 pydict_set_item_string_decref(dict, field->name, obj);
901 PyTuple_SetItem(t, n++, dict);
903 if (get_argument_count(handler) == (int) n + 1) {
904 all_entries_dict = get_perf_sample_dict(sample, evsel, al,
906 PyTuple_SetItem(t, n++, all_entries_dict);
908 Py_DECREF(callchain);
911 if (_PyTuple_Resize(&t, n) == -1)
912 Py_FatalError("error resizing Python tuple");
915 call_object(handler, t, handler_name);
917 call_object(handler, t, default_handler_name);
922 static PyObject *tuple_new(unsigned int sz)
928 Py_FatalError("couldn't create Python tuple");
932 static int tuple_set_u64(PyObject *t, unsigned int pos, u64 val)
934 #if BITS_PER_LONG == 64
935 return PyTuple_SetItem(t, pos, _PyLong_FromLong(val));
937 #if BITS_PER_LONG == 32
938 return PyTuple_SetItem(t, pos, PyLong_FromLongLong(val));
942 static int tuple_set_s32(PyObject *t, unsigned int pos, s32 val)
944 return PyTuple_SetItem(t, pos, _PyLong_FromLong(val));
947 static int tuple_set_string(PyObject *t, unsigned int pos, const char *s)
949 return PyTuple_SetItem(t, pos, _PyUnicode_FromString(s));
952 static int tuple_set_bytes(PyObject *t, unsigned int pos, void *bytes,
955 return PyTuple_SetItem(t, pos, _PyBytes_FromStringAndSize(bytes, sz));
958 static int python_export_evsel(struct db_export *dbe, struct evsel *evsel)
960 struct tables *tables = container_of(dbe, struct tables, dbe);
965 tuple_set_u64(t, 0, evsel->db_id);
966 tuple_set_string(t, 1, perf_evsel__name(evsel));
968 call_object(tables->evsel_handler, t, "evsel_table");
975 static int python_export_machine(struct db_export *dbe,
976 struct machine *machine)
978 struct tables *tables = container_of(dbe, struct tables, dbe);
983 tuple_set_u64(t, 0, machine->db_id);
984 tuple_set_s32(t, 1, machine->pid);
985 tuple_set_string(t, 2, machine->root_dir ? machine->root_dir : "");
987 call_object(tables->machine_handler, t, "machine_table");
994 static int python_export_thread(struct db_export *dbe, struct thread *thread,
995 u64 main_thread_db_id, struct machine *machine)
997 struct tables *tables = container_of(dbe, struct tables, dbe);
1002 tuple_set_u64(t, 0, thread->db_id);
1003 tuple_set_u64(t, 1, machine->db_id);
1004 tuple_set_u64(t, 2, main_thread_db_id);
1005 tuple_set_s32(t, 3, thread->pid_);
1006 tuple_set_s32(t, 4, thread->tid);
1008 call_object(tables->thread_handler, t, "thread_table");
1015 static int python_export_comm(struct db_export *dbe, struct comm *comm,
1016 struct thread *thread)
1018 struct tables *tables = container_of(dbe, struct tables, dbe);
1023 tuple_set_u64(t, 0, comm->db_id);
1024 tuple_set_string(t, 1, comm__str(comm));
1025 tuple_set_u64(t, 2, thread->db_id);
1026 tuple_set_u64(t, 3, comm->start);
1027 tuple_set_s32(t, 4, comm->exec);
1029 call_object(tables->comm_handler, t, "comm_table");
1036 static int python_export_comm_thread(struct db_export *dbe, u64 db_id,
1037 struct comm *comm, struct thread *thread)
1039 struct tables *tables = container_of(dbe, struct tables, dbe);
1044 tuple_set_u64(t, 0, db_id);
1045 tuple_set_u64(t, 1, comm->db_id);
1046 tuple_set_u64(t, 2, thread->db_id);
1048 call_object(tables->comm_thread_handler, t, "comm_thread_table");
1055 static int python_export_dso(struct db_export *dbe, struct dso *dso,
1056 struct machine *machine)
1058 struct tables *tables = container_of(dbe, struct tables, dbe);
1059 char sbuild_id[SBUILD_ID_SIZE];
1062 build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
1066 tuple_set_u64(t, 0, dso->db_id);
1067 tuple_set_u64(t, 1, machine->db_id);
1068 tuple_set_string(t, 2, dso->short_name);
1069 tuple_set_string(t, 3, dso->long_name);
1070 tuple_set_string(t, 4, sbuild_id);
1072 call_object(tables->dso_handler, t, "dso_table");
1079 static int python_export_symbol(struct db_export *dbe, struct symbol *sym,
1082 struct tables *tables = container_of(dbe, struct tables, dbe);
1083 u64 *sym_db_id = symbol__priv(sym);
1088 tuple_set_u64(t, 0, *sym_db_id);
1089 tuple_set_u64(t, 1, dso->db_id);
1090 tuple_set_u64(t, 2, sym->start);
1091 tuple_set_u64(t, 3, sym->end);
1092 tuple_set_s32(t, 4, sym->binding);
1093 tuple_set_string(t, 5, sym->name);
1095 call_object(tables->symbol_handler, t, "symbol_table");
1102 static int python_export_branch_type(struct db_export *dbe, u32 branch_type,
1105 struct tables *tables = container_of(dbe, struct tables, dbe);
1110 tuple_set_s32(t, 0, branch_type);
1111 tuple_set_string(t, 1, name);
1113 call_object(tables->branch_type_handler, t, "branch_type_table");
1120 static void python_export_sample_table(struct db_export *dbe,
1121 struct export_sample *es)
1123 struct tables *tables = container_of(dbe, struct tables, dbe);
1128 tuple_set_u64(t, 0, es->db_id);
1129 tuple_set_u64(t, 1, es->evsel->db_id);
1130 tuple_set_u64(t, 2, es->al->machine->db_id);
1131 tuple_set_u64(t, 3, es->al->thread->db_id);
1132 tuple_set_u64(t, 4, es->comm_db_id);
1133 tuple_set_u64(t, 5, es->dso_db_id);
1134 tuple_set_u64(t, 6, es->sym_db_id);
1135 tuple_set_u64(t, 7, es->offset);
1136 tuple_set_u64(t, 8, es->sample->ip);
1137 tuple_set_u64(t, 9, es->sample->time);
1138 tuple_set_s32(t, 10, es->sample->cpu);
1139 tuple_set_u64(t, 11, es->addr_dso_db_id);
1140 tuple_set_u64(t, 12, es->addr_sym_db_id);
1141 tuple_set_u64(t, 13, es->addr_offset);
1142 tuple_set_u64(t, 14, es->sample->addr);
1143 tuple_set_u64(t, 15, es->sample->period);
1144 tuple_set_u64(t, 16, es->sample->weight);
1145 tuple_set_u64(t, 17, es->sample->transaction);
1146 tuple_set_u64(t, 18, es->sample->data_src);
1147 tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK);
1148 tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX));
1149 tuple_set_u64(t, 21, es->call_path_id);
1150 tuple_set_u64(t, 22, es->sample->insn_cnt);
1151 tuple_set_u64(t, 23, es->sample->cyc_cnt);
1153 call_object(tables->sample_handler, t, "sample_table");
1158 static void python_export_synth(struct db_export *dbe, struct export_sample *es)
1160 struct tables *tables = container_of(dbe, struct tables, dbe);
1165 tuple_set_u64(t, 0, es->db_id);
1166 tuple_set_u64(t, 1, es->evsel->core.attr.config);
1167 tuple_set_bytes(t, 2, es->sample->raw_data, es->sample->raw_size);
1169 call_object(tables->synth_handler, t, "synth_data");
1174 static int python_export_sample(struct db_export *dbe,
1175 struct export_sample *es)
1177 struct tables *tables = container_of(dbe, struct tables, dbe);
1179 python_export_sample_table(dbe, es);
1181 if (es->evsel->core.attr.type == PERF_TYPE_SYNTH && tables->synth_handler)
1182 python_export_synth(dbe, es);
1187 static int python_export_call_path(struct db_export *dbe, struct call_path *cp)
1189 struct tables *tables = container_of(dbe, struct tables, dbe);
1191 u64 parent_db_id, sym_db_id;
1193 parent_db_id = cp->parent ? cp->parent->db_id : 0;
1194 sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0;
1198 tuple_set_u64(t, 0, cp->db_id);
1199 tuple_set_u64(t, 1, parent_db_id);
1200 tuple_set_u64(t, 2, sym_db_id);
1201 tuple_set_u64(t, 3, cp->ip);
1203 call_object(tables->call_path_handler, t, "call_path_table");
1210 static int python_export_call_return(struct db_export *dbe,
1211 struct call_return *cr)
1213 struct tables *tables = container_of(dbe, struct tables, dbe);
1214 u64 comm_db_id = cr->comm ? cr->comm->db_id : 0;
1219 tuple_set_u64(t, 0, cr->db_id);
1220 tuple_set_u64(t, 1, cr->thread->db_id);
1221 tuple_set_u64(t, 2, comm_db_id);
1222 tuple_set_u64(t, 3, cr->cp->db_id);
1223 tuple_set_u64(t, 4, cr->call_time);
1224 tuple_set_u64(t, 5, cr->return_time);
1225 tuple_set_u64(t, 6, cr->branch_count);
1226 tuple_set_u64(t, 7, cr->call_ref);
1227 tuple_set_u64(t, 8, cr->return_ref);
1228 tuple_set_u64(t, 9, cr->cp->parent->db_id);
1229 tuple_set_s32(t, 10, cr->flags);
1230 tuple_set_u64(t, 11, cr->parent_db_id);
1231 tuple_set_u64(t, 12, cr->insn_count);
1232 tuple_set_u64(t, 13, cr->cyc_count);
1234 call_object(tables->call_return_handler, t, "call_return_table");
1241 static int python_export_context_switch(struct db_export *dbe, u64 db_id,
1242 struct machine *machine,
1243 struct perf_sample *sample,
1244 u64 th_out_id, u64 comm_out_id,
1245 u64 th_in_id, u64 comm_in_id, int flags)
1247 struct tables *tables = container_of(dbe, struct tables, dbe);
1252 tuple_set_u64(t, 0, db_id);
1253 tuple_set_u64(t, 1, machine->db_id);
1254 tuple_set_u64(t, 2, sample->time);
1255 tuple_set_s32(t, 3, sample->cpu);
1256 tuple_set_u64(t, 4, th_out_id);
1257 tuple_set_u64(t, 5, comm_out_id);
1258 tuple_set_u64(t, 6, th_in_id);
1259 tuple_set_u64(t, 7, comm_in_id);
1260 tuple_set_s32(t, 8, flags);
1262 call_object(tables->context_switch_handler, t, "context_switch");
1269 static int python_process_call_return(struct call_return *cr, u64 *parent_db_id,
1272 struct db_export *dbe = data;
1274 return db_export__call_return(dbe, cr, parent_db_id);
1277 static void python_process_general_event(struct perf_sample *sample,
1278 struct evsel *evsel,
1279 struct addr_location *al)
1281 PyObject *handler, *t, *dict, *callchain;
1282 static char handler_name[64];
1285 snprintf(handler_name, sizeof(handler_name), "%s", "process_event");
1287 handler = get_handler(handler_name);
1292 * Use the MAX_FIELDS to make the function expandable, though
1293 * currently there is only one item for the tuple.
1295 t = PyTuple_New(MAX_FIELDS);
1297 Py_FatalError("couldn't create Python tuple");
1300 callchain = python_process_callchain(sample, evsel, al);
1301 dict = get_perf_sample_dict(sample, evsel, al, callchain);
1303 PyTuple_SetItem(t, n++, dict);
1304 if (_PyTuple_Resize(&t, n) == -1)
1305 Py_FatalError("error resizing Python tuple");
1307 call_object(handler, t, handler_name);
1312 static void python_process_event(union perf_event *event,
1313 struct perf_sample *sample,
1314 struct evsel *evsel,
1315 struct addr_location *al)
1317 struct tables *tables = &tables_global;
1319 switch (evsel->core.attr.type) {
1320 case PERF_TYPE_TRACEPOINT:
1321 python_process_tracepoint(sample, evsel, al);
1323 /* Reserve for future process_hw/sw/raw APIs */
1325 if (tables->db_export_mode)
1326 db_export__sample(&tables->dbe, event, sample, evsel, al);
1328 python_process_general_event(sample, evsel, al);
1332 static void python_process_switch(union perf_event *event,
1333 struct perf_sample *sample,
1334 struct machine *machine)
1336 struct tables *tables = &tables_global;
1338 if (tables->db_export_mode)
1339 db_export__switch(&tables->dbe, event, sample, machine);
1342 static void get_handler_name(char *str, size_t size,
1343 struct evsel *evsel)
1347 scnprintf(str, size, "stat__%s", perf_evsel__name(evsel));
1349 while ((p = strchr(p, ':'))) {
1356 process_stat(struct evsel *counter, int cpu, int thread, u64 tstamp,
1357 struct perf_counts_values *count)
1359 PyObject *handler, *t;
1360 static char handler_name[256];
1363 t = PyTuple_New(MAX_FIELDS);
1365 Py_FatalError("couldn't create Python tuple");
1367 get_handler_name(handler_name, sizeof(handler_name),
1370 handler = get_handler(handler_name);
1372 pr_debug("can't find python handler %s\n", handler_name);
1376 PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu));
1377 PyTuple_SetItem(t, n++, _PyLong_FromLong(thread));
1379 tuple_set_u64(t, n++, tstamp);
1380 tuple_set_u64(t, n++, count->val);
1381 tuple_set_u64(t, n++, count->ena);
1382 tuple_set_u64(t, n++, count->run);
1384 if (_PyTuple_Resize(&t, n) == -1)
1385 Py_FatalError("error resizing Python tuple");
1387 call_object(handler, t, handler_name);
1392 static void python_process_stat(struct perf_stat_config *config,
1393 struct evsel *counter, u64 tstamp)
1395 struct perf_thread_map *threads = counter->core.threads;
1396 struct perf_cpu_map *cpus = counter->core.cpus;
1399 if (config->aggr_mode == AGGR_GLOBAL) {
1400 process_stat(counter, -1, -1, tstamp,
1401 &counter->counts->aggr);
1405 for (thread = 0; thread < threads->nr; thread++) {
1406 for (cpu = 0; cpu < cpus->nr; cpu++) {
1407 process_stat(counter, cpus->map[cpu],
1408 perf_thread_map__pid(threads, thread), tstamp,
1409 perf_counts(counter->counts, cpu, thread));
1414 static void python_process_stat_interval(u64 tstamp)
1416 PyObject *handler, *t;
1417 static const char handler_name[] = "stat__interval";
1420 t = PyTuple_New(MAX_FIELDS);
1422 Py_FatalError("couldn't create Python tuple");
1424 handler = get_handler(handler_name);
1426 pr_debug("can't find python handler %s\n", handler_name);
1430 tuple_set_u64(t, n++, tstamp);
1432 if (_PyTuple_Resize(&t, n) == -1)
1433 Py_FatalError("error resizing Python tuple");
1435 call_object(handler, t, handler_name);
1440 static int run_start_sub(void)
1442 main_module = PyImport_AddModule("__main__");
1443 if (main_module == NULL)
1445 Py_INCREF(main_module);
1447 main_dict = PyModule_GetDict(main_module);
1448 if (main_dict == NULL)
1450 Py_INCREF(main_dict);
1452 try_call_object("trace_begin", NULL);
1457 Py_XDECREF(main_dict);
1458 Py_XDECREF(main_module);
1462 #define SET_TABLE_HANDLER_(name, handler_name, table_name) do { \
1463 tables->handler_name = get_handler(#table_name); \
1464 if (tables->handler_name) \
1465 tables->dbe.export_ ## name = python_export_ ## name; \
1468 #define SET_TABLE_HANDLER(name) \
1469 SET_TABLE_HANDLER_(name, name ## _handler, name ## _table)
1471 static void set_table_handlers(struct tables *tables)
1473 const char *perf_db_export_mode = "perf_db_export_mode";
1474 const char *perf_db_export_calls = "perf_db_export_calls";
1475 const char *perf_db_export_callchains = "perf_db_export_callchains";
1476 PyObject *db_export_mode, *db_export_calls, *db_export_callchains;
1477 bool export_calls = false;
1478 bool export_callchains = false;
1481 memset(tables, 0, sizeof(struct tables));
1482 if (db_export__init(&tables->dbe))
1483 Py_FatalError("failed to initialize export");
1485 db_export_mode = PyDict_GetItemString(main_dict, perf_db_export_mode);
1486 if (!db_export_mode)
1489 ret = PyObject_IsTrue(db_export_mode);
1491 handler_call_die(perf_db_export_mode);
1495 /* handle export calls */
1496 tables->dbe.crp = NULL;
1497 db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls);
1498 if (db_export_calls) {
1499 ret = PyObject_IsTrue(db_export_calls);
1501 handler_call_die(perf_db_export_calls);
1502 export_calls = !!ret;
1507 call_return_processor__new(python_process_call_return,
1509 if (!tables->dbe.crp)
1510 Py_FatalError("failed to create calls processor");
1513 /* handle export callchains */
1514 tables->dbe.cpr = NULL;
1515 db_export_callchains = PyDict_GetItemString(main_dict,
1516 perf_db_export_callchains);
1517 if (db_export_callchains) {
1518 ret = PyObject_IsTrue(db_export_callchains);
1520 handler_call_die(perf_db_export_callchains);
1521 export_callchains = !!ret;
1524 if (export_callchains) {
1526 * Attempt to use the call path root from the call return
1527 * processor, if the call return processor is in use. Otherwise,
1528 * we allocate a new call path root. This prevents exporting
1529 * duplicate call path ids when both are in use simultaniously.
1531 if (tables->dbe.crp)
1532 tables->dbe.cpr = tables->dbe.crp->cpr;
1534 tables->dbe.cpr = call_path_root__new();
1536 if (!tables->dbe.cpr)
1537 Py_FatalError("failed to create call path root");
1540 tables->db_export_mode = true;
1542 * Reserve per symbol space for symbol->db_id via symbol__priv()
1544 symbol_conf.priv_size = sizeof(u64);
1546 SET_TABLE_HANDLER(evsel);
1547 SET_TABLE_HANDLER(machine);
1548 SET_TABLE_HANDLER(thread);
1549 SET_TABLE_HANDLER(comm);
1550 SET_TABLE_HANDLER(comm_thread);
1551 SET_TABLE_HANDLER(dso);
1552 SET_TABLE_HANDLER(symbol);
1553 SET_TABLE_HANDLER(branch_type);
1554 SET_TABLE_HANDLER(sample);
1555 SET_TABLE_HANDLER(call_path);
1556 SET_TABLE_HANDLER(call_return);
1557 SET_TABLE_HANDLER(context_switch);
1560 * Synthesized events are samples but with architecture-specific data
1561 * stored in sample->raw_data. They are exported via
1562 * python_export_sample() and consequently do not need a separate export
1565 tables->synth_handler = get_handler("synth_data");
1568 #if PY_MAJOR_VERSION < 3
1569 static void _free_command_line(const char **command_line, int num)
1574 static void _free_command_line(wchar_t **command_line, int num)
1577 for (i = 0; i < num; i++)
1578 PyMem_RawFree(command_line[i]);
1585 * Start trace script
1587 static int python_start_script(const char *script, int argc, const char **argv)
1589 struct tables *tables = &tables_global;
1590 PyMODINIT_FUNC (*initfunc)(void);
1591 #if PY_MAJOR_VERSION < 3
1592 const char **command_line;
1594 wchar_t **command_line;
1597 * Use a non-const name variable to cope with python 2.6's
1598 * PyImport_AppendInittab prototype
1600 char buf[PATH_MAX], name[19] = "perf_trace_context";
1604 #if PY_MAJOR_VERSION < 3
1605 initfunc = initperf_trace_context;
1606 command_line = malloc((argc + 1) * sizeof(const char *));
1607 command_line[0] = script;
1608 for (i = 1; i < argc + 1; i++)
1609 command_line[i] = argv[i - 1];
1611 initfunc = PyInit_perf_trace_context;
1612 command_line = malloc((argc + 1) * sizeof(wchar_t *));
1613 command_line[0] = Py_DecodeLocale(script, NULL);
1614 for (i = 1; i < argc + 1; i++)
1615 command_line[i] = Py_DecodeLocale(argv[i - 1], NULL);
1618 PyImport_AppendInittab(name, initfunc);
1621 #if PY_MAJOR_VERSION < 3
1622 PySys_SetArgv(argc + 1, (char **)command_line);
1624 PySys_SetArgv(argc + 1, command_line);
1627 fp = fopen(script, "r");
1629 sprintf(buf, "Can't open python script \"%s\"", script);
1635 err = PyRun_SimpleFile(fp, script);
1637 fprintf(stderr, "Error running python script %s\n", script);
1641 err = run_start_sub();
1643 fprintf(stderr, "Error starting python script %s\n", script);
1647 set_table_handlers(tables);
1649 if (tables->db_export_mode) {
1650 err = db_export__branch_types(&tables->dbe);
1655 _free_command_line(command_line, argc + 1);
1660 _free_command_line(command_line, argc + 1);
1665 static int python_flush_script(void)
1673 static int python_stop_script(void)
1675 struct tables *tables = &tables_global;
1677 try_call_object("trace_end", NULL);
1679 db_export__exit(&tables->dbe);
1681 Py_XDECREF(main_dict);
1682 Py_XDECREF(main_module);
1688 static int python_generate_script(struct tep_handle *pevent, const char *outfile)
1690 struct tep_event *event = NULL;
1691 struct tep_format_field *f;
1692 char fname[PATH_MAX];
1693 int not_first, count;
1696 sprintf(fname, "%s.py", outfile);
1697 ofp = fopen(fname, "w");
1699 fprintf(stderr, "couldn't open %s\n", fname);
1702 fprintf(ofp, "# perf script event handlers, "
1703 "generated by perf script -g python\n");
1705 fprintf(ofp, "# Licensed under the terms of the GNU GPL"
1706 " License version 2\n\n");
1708 fprintf(ofp, "# The common_* event handler fields are the most useful "
1709 "fields common to\n");
1711 fprintf(ofp, "# all events. They don't necessarily correspond to "
1712 "the 'common_*' fields\n");
1714 fprintf(ofp, "# in the format files. Those fields not available as "
1715 "handler params can\n");
1717 fprintf(ofp, "# be retrieved using Python functions of the form "
1718 "common_*(context).\n");
1720 fprintf(ofp, "# See the perf-script-python Documentation for the list "
1721 "of available functions.\n\n");
1723 fprintf(ofp, "from __future__ import print_function\n\n");
1724 fprintf(ofp, "import os\n");
1725 fprintf(ofp, "import sys\n\n");
1727 fprintf(ofp, "sys.path.append(os.environ['PERF_EXEC_PATH'] + \\\n");
1728 fprintf(ofp, "\t'/scripts/python/Perf-Trace-Util/lib/Perf/Trace')\n");
1729 fprintf(ofp, "\nfrom perf_trace_context import *\n");
1730 fprintf(ofp, "from Core import *\n\n\n");
1732 fprintf(ofp, "def trace_begin():\n");
1733 fprintf(ofp, "\tprint(\"in trace_begin\")\n\n");
1735 fprintf(ofp, "def trace_end():\n");
1736 fprintf(ofp, "\tprint(\"in trace_end\")\n\n");
1738 while ((event = trace_find_next_event(pevent, event))) {
1739 fprintf(ofp, "def %s__%s(", event->system, event->name);
1740 fprintf(ofp, "event_name, ");
1741 fprintf(ofp, "context, ");
1742 fprintf(ofp, "common_cpu,\n");
1743 fprintf(ofp, "\tcommon_secs, ");
1744 fprintf(ofp, "common_nsecs, ");
1745 fprintf(ofp, "common_pid, ");
1746 fprintf(ofp, "common_comm,\n\t");
1747 fprintf(ofp, "common_callchain, ");
1752 for (f = event->format.fields; f; f = f->next) {
1755 if (++count % 5 == 0)
1756 fprintf(ofp, "\n\t");
1758 fprintf(ofp, "%s", f->name);
1762 if (++count % 5 == 0)
1763 fprintf(ofp, "\n\t\t");
1764 fprintf(ofp, "perf_sample_dict");
1766 fprintf(ofp, "):\n");
1768 fprintf(ofp, "\t\tprint_header(event_name, common_cpu, "
1769 "common_secs, common_nsecs,\n\t\t\t"
1770 "common_pid, common_comm)\n\n");
1772 fprintf(ofp, "\t\tprint(\"");
1777 for (f = event->format.fields; f; f = f->next) {
1780 if (count && count % 3 == 0) {
1781 fprintf(ofp, "\" \\\n\t\t\"");
1785 fprintf(ofp, "%s=", f->name);
1786 if (f->flags & TEP_FIELD_IS_STRING ||
1787 f->flags & TEP_FIELD_IS_FLAG ||
1788 f->flags & TEP_FIELD_IS_ARRAY ||
1789 f->flags & TEP_FIELD_IS_SYMBOLIC)
1790 fprintf(ofp, "%%s");
1791 else if (f->flags & TEP_FIELD_IS_SIGNED)
1792 fprintf(ofp, "%%d");
1794 fprintf(ofp, "%%u");
1797 fprintf(ofp, "\" %% \\\n\t\t(");
1802 for (f = event->format.fields; f; f = f->next) {
1806 if (++count % 5 == 0)
1807 fprintf(ofp, "\n\t\t");
1809 if (f->flags & TEP_FIELD_IS_FLAG) {
1810 if ((count - 1) % 5 != 0) {
1811 fprintf(ofp, "\n\t\t");
1814 fprintf(ofp, "flag_str(\"");
1815 fprintf(ofp, "%s__%s\", ", event->system,
1817 fprintf(ofp, "\"%s\", %s)", f->name,
1819 } else if (f->flags & TEP_FIELD_IS_SYMBOLIC) {
1820 if ((count - 1) % 5 != 0) {
1821 fprintf(ofp, "\n\t\t");
1824 fprintf(ofp, "symbol_str(\"");
1825 fprintf(ofp, "%s__%s\", ", event->system,
1827 fprintf(ofp, "\"%s\", %s)", f->name,
1830 fprintf(ofp, "%s", f->name);
1833 fprintf(ofp, "))\n\n");
1835 fprintf(ofp, "\t\tprint('Sample: {'+"
1836 "get_dict_as_string(perf_sample_dict['sample'], ', ')+'}')\n\n");
1838 fprintf(ofp, "\t\tfor node in common_callchain:");
1839 fprintf(ofp, "\n\t\t\tif 'sym' in node:");
1840 fprintf(ofp, "\n\t\t\t\tprint(\"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name']))");
1841 fprintf(ofp, "\n\t\t\telse:");
1842 fprintf(ofp, "\n\t\t\t\tprint(\"\t[%%x]\" %% (node['ip']))\n\n");
1843 fprintf(ofp, "\t\tprint()\n\n");
1847 fprintf(ofp, "def trace_unhandled(event_name, context, "
1848 "event_fields_dict, perf_sample_dict):\n");
1850 fprintf(ofp, "\t\tprint(get_dict_as_string(event_fields_dict))\n");
1851 fprintf(ofp, "\t\tprint('Sample: {'+"
1852 "get_dict_as_string(perf_sample_dict['sample'], ', ')+'}')\n\n");
1854 fprintf(ofp, "def print_header("
1855 "event_name, cpu, secs, nsecs, pid, comm):\n"
1856 "\tprint(\"%%-20s %%5u %%05u.%%09u %%8u %%-20s \" %% \\\n\t"
1857 "(event_name, cpu, secs, nsecs, pid, comm), end=\"\")\n\n");
1859 fprintf(ofp, "def get_dict_as_string(a_dict, delimiter=' '):\n"
1860 "\treturn delimiter.join"
1861 "(['%%s=%%s'%%(k,str(v))for k,v in sorted(a_dict.items())])\n");
1865 fprintf(stderr, "generated Python script: %s\n", fname);
1870 struct scripting_ops python_scripting_ops = {
1872 .start_script = python_start_script,
1873 .flush_script = python_flush_script,
1874 .stop_script = python_stop_script,
1875 .process_event = python_process_event,
1876 .process_switch = python_process_switch,
1877 .process_stat = python_process_stat,
1878 .process_stat_interval = python_process_stat_interval,
1879 .generate_script = python_generate_script,