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1/*
2 * db-export.c: Support for exporting data suitable for import to a database
3 * Copyright (c) 2014, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 */
15
16#include <errno.h>
17
18#include "evsel.h"
19#include "machine.h"
20#include "thread.h"
21#include "comm.h"
22#include "symbol.h"
23#include "event.h"
24#include "util.h"
25#include "thread-stack.h"
26#include "callchain.h"
27#include "call-path.h"
28#include "db-export.h"
29
30struct deferred_export {
31 struct list_head node;
32 struct comm *comm;
33};
34
35static int db_export__deferred(struct db_export *dbe)
36{
37 struct deferred_export *de;
38 int err;
39
40 while (!list_empty(&dbe->deferred)) {
41 de = list_entry(dbe->deferred.next, struct deferred_export,
42 node);
43 err = dbe->export_comm(dbe, de->comm);
44 list_del(&de->node);
45 free(de);
46 if (err)
47 return err;
48 }
49
50 return 0;
51}
52
53static void db_export__free_deferred(struct db_export *dbe)
54{
55 struct deferred_export *de;
56
57 while (!list_empty(&dbe->deferred)) {
58 de = list_entry(dbe->deferred.next, struct deferred_export,
59 node);
60 list_del(&de->node);
61 free(de);
62 }
63}
64
65static int db_export__defer_comm(struct db_export *dbe, struct comm *comm)
66{
67 struct deferred_export *de;
68
69 de = zalloc(sizeof(struct deferred_export));
70 if (!de)
71 return -ENOMEM;
72
73 de->comm = comm;
74 list_add_tail(&de->node, &dbe->deferred);
75
76 return 0;
77}
78
79int db_export__init(struct db_export *dbe)
80{
81 memset(dbe, 0, sizeof(struct db_export));
82 INIT_LIST_HEAD(&dbe->deferred);
83 return 0;
84}
85
86int db_export__flush(struct db_export *dbe)
87{
88 return db_export__deferred(dbe);
89}
90
91void db_export__exit(struct db_export *dbe)
92{
93 db_export__free_deferred(dbe);
94 call_return_processor__free(dbe->crp);
95 dbe->crp = NULL;
96}
97
98int db_export__evsel(struct db_export *dbe, struct perf_evsel *evsel)
99{
100 if (evsel->db_id)
101 return 0;
102
103 evsel->db_id = ++dbe->evsel_last_db_id;
104
105 if (dbe->export_evsel)
106 return dbe->export_evsel(dbe, evsel);
107
108 return 0;
109}
110
111int db_export__machine(struct db_export *dbe, struct machine *machine)
112{
113 if (machine->db_id)
114 return 0;
115
116 machine->db_id = ++dbe->machine_last_db_id;
117
118 if (dbe->export_machine)
119 return dbe->export_machine(dbe, machine);
120
121 return 0;
122}
123
124int db_export__thread(struct db_export *dbe, struct thread *thread,
125 struct machine *machine, struct comm *comm)
126{
127 struct thread *main_thread;
128 u64 main_thread_db_id = 0;
129 int err;
130
131 if (thread->db_id)
132 return 0;
133
134 thread->db_id = ++dbe->thread_last_db_id;
135
136 if (thread->pid_ != -1) {
137 if (thread->pid_ == thread->tid) {
138 main_thread = thread;
139 } else {
140 main_thread = machine__findnew_thread(machine,
141 thread->pid_,
142 thread->pid_);
143 if (!main_thread)
144 return -ENOMEM;
145 err = db_export__thread(dbe, main_thread, machine,
146 comm);
147 if (err)
148 goto out_put;
149 if (comm) {
150 err = db_export__comm_thread(dbe, comm, thread);
151 if (err)
152 goto out_put;
153 }
154 }
155 main_thread_db_id = main_thread->db_id;
156 if (main_thread != thread)
157 thread__put(main_thread);
158 }
159
160 if (dbe->export_thread)
161 return dbe->export_thread(dbe, thread, main_thread_db_id,
162 machine);
163
164 return 0;
165
166out_put:
167 thread__put(main_thread);
168 return err;
169}
170
171int db_export__comm(struct db_export *dbe, struct comm *comm,
172 struct thread *main_thread)
173{
174 int err;
175
176 if (comm->db_id)
177 return 0;
178
179 comm->db_id = ++dbe->comm_last_db_id;
180
181 if (dbe->export_comm) {
182 if (main_thread->comm_set)
183 err = dbe->export_comm(dbe, comm);
184 else
185 err = db_export__defer_comm(dbe, comm);
186 if (err)
187 return err;
188 }
189
190 return db_export__comm_thread(dbe, comm, main_thread);
191}
192
193int db_export__comm_thread(struct db_export *dbe, struct comm *comm,
194 struct thread *thread)
195{
196 u64 db_id;
197
198 db_id = ++dbe->comm_thread_last_db_id;
199
200 if (dbe->export_comm_thread)
201 return dbe->export_comm_thread(dbe, db_id, comm, thread);
202
203 return 0;
204}
205
206int db_export__dso(struct db_export *dbe, struct dso *dso,
207 struct machine *machine)
208{
209 if (dso->db_id)
210 return 0;
211
212 dso->db_id = ++dbe->dso_last_db_id;
213
214 if (dbe->export_dso)
215 return dbe->export_dso(dbe, dso, machine);
216
217 return 0;
218}
219
220int db_export__symbol(struct db_export *dbe, struct symbol *sym,
221 struct dso *dso)
222{
223 u64 *sym_db_id = symbol__priv(sym);
224
225 if (*sym_db_id)
226 return 0;
227
228 *sym_db_id = ++dbe->symbol_last_db_id;
229
230 if (dbe->export_symbol)
231 return dbe->export_symbol(dbe, sym, dso);
232
233 return 0;
234}
235
236static int db_ids_from_al(struct db_export *dbe, struct addr_location *al,
237 u64 *dso_db_id, u64 *sym_db_id, u64 *offset)
238{
239 int err;
240
241 if (al->map) {
242 struct dso *dso = al->map->dso;
243
244 err = db_export__dso(dbe, dso, al->machine);
245 if (err)
246 return err;
247 *dso_db_id = dso->db_id;
248
249 if (!al->sym) {
250 al->sym = symbol__new(al->addr, 0, 0, "unknown");
251 if (al->sym)
252 dso__insert_symbol(dso, al->map->type, al->sym);
253 }
254
255 if (al->sym) {
256 u64 *db_id = symbol__priv(al->sym);
257
258 err = db_export__symbol(dbe, al->sym, dso);
259 if (err)
260 return err;
261 *sym_db_id = *db_id;
262 *offset = al->addr - al->sym->start;
263 }
264 }
265
266 return 0;
267}
268
269static struct call_path *call_path_from_sample(struct db_export *dbe,
270 struct machine *machine,
271 struct thread *thread,
272 struct perf_sample *sample,
273 struct perf_evsel *evsel)
274{
275 u64 kernel_start = machine__kernel_start(machine);
276 struct call_path *current = &dbe->cpr->call_path;
277 enum chain_order saved_order = callchain_param.order;
278 int err;
279
280 if (!symbol_conf.use_callchain || !sample->callchain)
281 return NULL;
282
283 /*
284 * Since the call path tree must be built starting with the root, we
285 * must use ORDER_CALL for call chain resolution, in order to process
286 * the callchain starting with the root node and ending with the leaf.
287 */
288 callchain_param.order = ORDER_CALLER;
289 err = thread__resolve_callchain(thread, &callchain_cursor, evsel,
290 sample, NULL, NULL, PERF_MAX_STACK_DEPTH);
291 if (err) {
292 callchain_param.order = saved_order;
293 return NULL;
294 }
295 callchain_cursor_commit(&callchain_cursor);
296
297 while (1) {
298 struct callchain_cursor_node *node;
299 struct addr_location al;
300 u64 dso_db_id = 0, sym_db_id = 0, offset = 0;
301
302 memset(&al, 0, sizeof(al));
303
304 node = callchain_cursor_current(&callchain_cursor);
305 if (!node)
306 break;
307 /*
308 * Handle export of symbol and dso for this node by
309 * constructing an addr_location struct and then passing it to
310 * db_ids_from_al() to perform the export.
311 */
312 al.sym = node->sym;
313 al.map = node->map;
314 al.machine = machine;
315 al.addr = node->ip;
316
317 if (al.map && !al.sym)
318 al.sym = dso__find_symbol(al.map->dso, MAP__FUNCTION,
319 al.addr);
320
321 db_ids_from_al(dbe, &al, &dso_db_id, &sym_db_id, &offset);
322
323 /* add node to the call path tree if it doesn't exist */
324 current = call_path__findnew(dbe->cpr, current,
325 al.sym, node->ip,
326 kernel_start);
327
328 callchain_cursor_advance(&callchain_cursor);
329 }
330
331 /* Reset the callchain order to its prior value. */
332 callchain_param.order = saved_order;
333
334 if (current == &dbe->cpr->call_path) {
335 /* Bail because the callchain was empty. */
336 return NULL;
337 }
338
339 return current;
340}
341
342int db_export__branch_type(struct db_export *dbe, u32 branch_type,
343 const char *name)
344{
345 if (dbe->export_branch_type)
346 return dbe->export_branch_type(dbe, branch_type, name);
347
348 return 0;
349}
350
351int db_export__sample(struct db_export *dbe, union perf_event *event,
352 struct perf_sample *sample, struct perf_evsel *evsel,
353 struct addr_location *al)
354{
355 struct thread* thread = al->thread;
356 struct export_sample es = {
357 .event = event,
358 .sample = sample,
359 .evsel = evsel,
360 .al = al,
361 };
362 struct thread *main_thread;
363 struct comm *comm = NULL;
364 int err;
365
366 err = db_export__evsel(dbe, evsel);
367 if (err)
368 return err;
369
370 err = db_export__machine(dbe, al->machine);
371 if (err)
372 return err;
373
374 main_thread = thread__main_thread(al->machine, thread);
375 if (main_thread)
376 comm = machine__thread_exec_comm(al->machine, main_thread);
377
378 err = db_export__thread(dbe, thread, al->machine, comm);
379 if (err)
380 goto out_put;
381
382 if (comm) {
383 err = db_export__comm(dbe, comm, main_thread);
384 if (err)
385 goto out_put;
386 es.comm_db_id = comm->db_id;
387 }
388
389 es.db_id = ++dbe->sample_last_db_id;
390
391 err = db_ids_from_al(dbe, al, &es.dso_db_id, &es.sym_db_id, &es.offset);
392 if (err)
393 goto out_put;
394
395 if (dbe->cpr) {
396 struct call_path *cp = call_path_from_sample(dbe, al->machine,
397 thread, sample,
398 evsel);
399 if (cp) {
400 db_export__call_path(dbe, cp);
401 es.call_path_id = cp->db_id;
402 }
403 }
404
405 if ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
406 sample_addr_correlates_sym(&evsel->attr)) {
407 struct addr_location addr_al;
408
409 thread__resolve(thread, &addr_al, sample);
410 err = db_ids_from_al(dbe, &addr_al, &es.addr_dso_db_id,
411 &es.addr_sym_db_id, &es.addr_offset);
412 if (err)
413 goto out_put;
414 if (dbe->crp) {
415 err = thread_stack__process(thread, comm, sample, al,
416 &addr_al, es.db_id,
417 dbe->crp);
418 if (err)
419 goto out_put;
420 }
421 }
422
423 if (dbe->export_sample)
424 err = dbe->export_sample(dbe, &es);
425
426out_put:
427 thread__put(main_thread);
428 return err;
429}
430
431static struct {
432 u32 branch_type;
433 const char *name;
434} branch_types[] = {
435 {0, "no branch"},
436 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
437 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
438 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "conditional jump"},
439 {PERF_IP_FLAG_BRANCH, "unconditional jump"},
440 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT,
441 "software interrupt"},
442 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT,
443 "return from interrupt"},
444 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET,
445 "system call"},
446 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET,
447 "return from system call"},
448 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "asynchronous branch"},
449 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |
450 PERF_IP_FLAG_INTERRUPT, "hardware interrupt"},
451 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "transaction abort"},
452 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "trace begin"},
453 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "trace end"},
454 {0, NULL}
455};
456
457int db_export__branch_types(struct db_export *dbe)
458{
459 int i, err = 0;
460
461 for (i = 0; branch_types[i].name ; i++) {
462 err = db_export__branch_type(dbe, branch_types[i].branch_type,
463 branch_types[i].name);
464 if (err)
465 break;
466 }
467 return err;
468}
469
470int db_export__call_path(struct db_export *dbe, struct call_path *cp)
471{
472 int err;
473
474 if (cp->db_id)
475 return 0;
476
477 if (cp->parent) {
478 err = db_export__call_path(dbe, cp->parent);
479 if (err)
480 return err;
481 }
482
483 cp->db_id = ++dbe->call_path_last_db_id;
484
485 if (dbe->export_call_path)
486 return dbe->export_call_path(dbe, cp);
487
488 return 0;
489}
490
491int db_export__call_return(struct db_export *dbe, struct call_return *cr)
492{
493 int err;
494
495 if (cr->db_id)
496 return 0;
497
498 err = db_export__call_path(dbe, cr->cp);
499 if (err)
500 return err;
501
502 cr->db_id = ++dbe->call_return_last_db_id;
503
504 if (dbe->export_call_return)
505 return dbe->export_call_return(dbe, cr);
506
507 return 0;
508}
1/*
2 * db-export.c: Support for exporting data suitable for import to a database
3 * Copyright (c) 2014, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 */
15
16#include <errno.h>
17
18#include "evsel.h"
19#include "machine.h"
20#include "thread.h"
21#include "comm.h"
22#include "symbol.h"
23#include "event.h"
24#include "util.h"
25#include "thread-stack.h"
26#include "db-export.h"
27
28struct deferred_export {
29 struct list_head node;
30 struct comm *comm;
31};
32
33static int db_export__deferred(struct db_export *dbe)
34{
35 struct deferred_export *de;
36 int err;
37
38 while (!list_empty(&dbe->deferred)) {
39 de = list_entry(dbe->deferred.next, struct deferred_export,
40 node);
41 err = dbe->export_comm(dbe, de->comm);
42 list_del(&de->node);
43 free(de);
44 if (err)
45 return err;
46 }
47
48 return 0;
49}
50
51static void db_export__free_deferred(struct db_export *dbe)
52{
53 struct deferred_export *de;
54
55 while (!list_empty(&dbe->deferred)) {
56 de = list_entry(dbe->deferred.next, struct deferred_export,
57 node);
58 list_del(&de->node);
59 free(de);
60 }
61}
62
63static int db_export__defer_comm(struct db_export *dbe, struct comm *comm)
64{
65 struct deferred_export *de;
66
67 de = zalloc(sizeof(struct deferred_export));
68 if (!de)
69 return -ENOMEM;
70
71 de->comm = comm;
72 list_add_tail(&de->node, &dbe->deferred);
73
74 return 0;
75}
76
77int db_export__init(struct db_export *dbe)
78{
79 memset(dbe, 0, sizeof(struct db_export));
80 INIT_LIST_HEAD(&dbe->deferred);
81 return 0;
82}
83
84int db_export__flush(struct db_export *dbe)
85{
86 return db_export__deferred(dbe);
87}
88
89void db_export__exit(struct db_export *dbe)
90{
91 db_export__free_deferred(dbe);
92 call_return_processor__free(dbe->crp);
93 dbe->crp = NULL;
94}
95
96int db_export__evsel(struct db_export *dbe, struct perf_evsel *evsel)
97{
98 if (evsel->db_id)
99 return 0;
100
101 evsel->db_id = ++dbe->evsel_last_db_id;
102
103 if (dbe->export_evsel)
104 return dbe->export_evsel(dbe, evsel);
105
106 return 0;
107}
108
109int db_export__machine(struct db_export *dbe, struct machine *machine)
110{
111 if (machine->db_id)
112 return 0;
113
114 machine->db_id = ++dbe->machine_last_db_id;
115
116 if (dbe->export_machine)
117 return dbe->export_machine(dbe, machine);
118
119 return 0;
120}
121
122int db_export__thread(struct db_export *dbe, struct thread *thread,
123 struct machine *machine, struct comm *comm)
124{
125 struct thread *main_thread;
126 u64 main_thread_db_id = 0;
127 int err;
128
129 if (thread->db_id)
130 return 0;
131
132 thread->db_id = ++dbe->thread_last_db_id;
133
134 if (thread->pid_ != -1) {
135 if (thread->pid_ == thread->tid) {
136 main_thread = thread;
137 } else {
138 main_thread = machine__findnew_thread(machine,
139 thread->pid_,
140 thread->pid_);
141 if (!main_thread)
142 return -ENOMEM;
143 err = db_export__thread(dbe, main_thread, machine,
144 comm);
145 if (err)
146 goto out_put;
147 if (comm) {
148 err = db_export__comm_thread(dbe, comm, thread);
149 if (err)
150 goto out_put;
151 }
152 }
153 main_thread_db_id = main_thread->db_id;
154 if (main_thread != thread)
155 thread__put(main_thread);
156 }
157
158 if (dbe->export_thread)
159 return dbe->export_thread(dbe, thread, main_thread_db_id,
160 machine);
161
162 return 0;
163
164out_put:
165 thread__put(main_thread);
166 return err;
167}
168
169int db_export__comm(struct db_export *dbe, struct comm *comm,
170 struct thread *main_thread)
171{
172 int err;
173
174 if (comm->db_id)
175 return 0;
176
177 comm->db_id = ++dbe->comm_last_db_id;
178
179 if (dbe->export_comm) {
180 if (main_thread->comm_set)
181 err = dbe->export_comm(dbe, comm);
182 else
183 err = db_export__defer_comm(dbe, comm);
184 if (err)
185 return err;
186 }
187
188 return db_export__comm_thread(dbe, comm, main_thread);
189}
190
191int db_export__comm_thread(struct db_export *dbe, struct comm *comm,
192 struct thread *thread)
193{
194 u64 db_id;
195
196 db_id = ++dbe->comm_thread_last_db_id;
197
198 if (dbe->export_comm_thread)
199 return dbe->export_comm_thread(dbe, db_id, comm, thread);
200
201 return 0;
202}
203
204int db_export__dso(struct db_export *dbe, struct dso *dso,
205 struct machine *machine)
206{
207 if (dso->db_id)
208 return 0;
209
210 dso->db_id = ++dbe->dso_last_db_id;
211
212 if (dbe->export_dso)
213 return dbe->export_dso(dbe, dso, machine);
214
215 return 0;
216}
217
218int db_export__symbol(struct db_export *dbe, struct symbol *sym,
219 struct dso *dso)
220{
221 u64 *sym_db_id = symbol__priv(sym);
222
223 if (*sym_db_id)
224 return 0;
225
226 *sym_db_id = ++dbe->symbol_last_db_id;
227
228 if (dbe->export_symbol)
229 return dbe->export_symbol(dbe, sym, dso);
230
231 return 0;
232}
233
234static struct thread *get_main_thread(struct machine *machine, struct thread *thread)
235{
236 if (thread->pid_ == thread->tid)
237 return thread__get(thread);
238
239 if (thread->pid_ == -1)
240 return NULL;
241
242 return machine__find_thread(machine, thread->pid_, thread->pid_);
243}
244
245static int db_ids_from_al(struct db_export *dbe, struct addr_location *al,
246 u64 *dso_db_id, u64 *sym_db_id, u64 *offset)
247{
248 int err;
249
250 if (al->map) {
251 struct dso *dso = al->map->dso;
252
253 err = db_export__dso(dbe, dso, al->machine);
254 if (err)
255 return err;
256 *dso_db_id = dso->db_id;
257
258 if (!al->sym) {
259 al->sym = symbol__new(al->addr, 0, 0, "unknown");
260 if (al->sym)
261 symbols__insert(&dso->symbols[al->map->type],
262 al->sym);
263 }
264
265 if (al->sym) {
266 u64 *db_id = symbol__priv(al->sym);
267
268 err = db_export__symbol(dbe, al->sym, dso);
269 if (err)
270 return err;
271 *sym_db_id = *db_id;
272 *offset = al->addr - al->sym->start;
273 }
274 }
275
276 return 0;
277}
278
279int db_export__branch_type(struct db_export *dbe, u32 branch_type,
280 const char *name)
281{
282 if (dbe->export_branch_type)
283 return dbe->export_branch_type(dbe, branch_type, name);
284
285 return 0;
286}
287
288int db_export__sample(struct db_export *dbe, union perf_event *event,
289 struct perf_sample *sample, struct perf_evsel *evsel,
290 struct addr_location *al)
291{
292 struct thread* thread = al->thread;
293 struct export_sample es = {
294 .event = event,
295 .sample = sample,
296 .evsel = evsel,
297 .al = al,
298 };
299 struct thread *main_thread;
300 struct comm *comm = NULL;
301 int err;
302
303 err = db_export__evsel(dbe, evsel);
304 if (err)
305 return err;
306
307 err = db_export__machine(dbe, al->machine);
308 if (err)
309 return err;
310
311 main_thread = get_main_thread(al->machine, thread);
312 if (main_thread)
313 comm = machine__thread_exec_comm(al->machine, main_thread);
314
315 err = db_export__thread(dbe, thread, al->machine, comm);
316 if (err)
317 goto out_put;
318
319 if (comm) {
320 err = db_export__comm(dbe, comm, main_thread);
321 if (err)
322 goto out_put;
323 es.comm_db_id = comm->db_id;
324 }
325
326 es.db_id = ++dbe->sample_last_db_id;
327
328 err = db_ids_from_al(dbe, al, &es.dso_db_id, &es.sym_db_id, &es.offset);
329 if (err)
330 goto out_put;
331
332 if ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
333 sample_addr_correlates_sym(&evsel->attr)) {
334 struct addr_location addr_al;
335
336 thread__resolve(thread, &addr_al, sample);
337 err = db_ids_from_al(dbe, &addr_al, &es.addr_dso_db_id,
338 &es.addr_sym_db_id, &es.addr_offset);
339 if (err)
340 goto out_put;
341 if (dbe->crp) {
342 err = thread_stack__process(thread, comm, sample, al,
343 &addr_al, es.db_id,
344 dbe->crp);
345 if (err)
346 goto out_put;
347 }
348 }
349
350 if (dbe->export_sample)
351 err = dbe->export_sample(dbe, &es);
352
353out_put:
354 thread__put(main_thread);
355 return err;
356}
357
358static struct {
359 u32 branch_type;
360 const char *name;
361} branch_types[] = {
362 {0, "no branch"},
363 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
364 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
365 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "conditional jump"},
366 {PERF_IP_FLAG_BRANCH, "unconditional jump"},
367 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT,
368 "software interrupt"},
369 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT,
370 "return from interrupt"},
371 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET,
372 "system call"},
373 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET,
374 "return from system call"},
375 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "asynchronous branch"},
376 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |
377 PERF_IP_FLAG_INTERRUPT, "hardware interrupt"},
378 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "transaction abort"},
379 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "trace begin"},
380 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "trace end"},
381 {0, NULL}
382};
383
384int db_export__branch_types(struct db_export *dbe)
385{
386 int i, err = 0;
387
388 for (i = 0; branch_types[i].name ; i++) {
389 err = db_export__branch_type(dbe, branch_types[i].branch_type,
390 branch_types[i].name);
391 if (err)
392 break;
393 }
394 return err;
395}
396
397int db_export__call_path(struct db_export *dbe, struct call_path *cp)
398{
399 int err;
400
401 if (cp->db_id)
402 return 0;
403
404 if (cp->parent) {
405 err = db_export__call_path(dbe, cp->parent);
406 if (err)
407 return err;
408 }
409
410 cp->db_id = ++dbe->call_path_last_db_id;
411
412 if (dbe->export_call_path)
413 return dbe->export_call_path(dbe, cp);
414
415 return 0;
416}
417
418int db_export__call_return(struct db_export *dbe, struct call_return *cr)
419{
420 int err;
421
422 if (cr->db_id)
423 return 0;
424
425 err = db_export__call_path(dbe, cr->cp);
426 if (err)
427 return err;
428
429 cr->db_id = ++dbe->call_return_last_db_id;
430
431 if (dbe->export_call_return)
432 return dbe->export_call_return(dbe, cr);
433
434 return 0;
435}