[linux-2.6-block.git] / tools / perf / util / db-export.c

/*
 * db-export.c: Support for exporting data suitable for import to a database
 * Copyright (c) 2014, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 */

#include <errno.h>

#include "evsel.h"
#include "machine.h"
#include "thread.h"
#include "comm.h"
#include "symbol.h"
#include "event.h"
#include "util.h"
#include "thread-stack.h"
#include "call-path.h"
#include "db-export.h"

struct deferred_export {
	struct list_head node;
	struct comm *comm;
};

static int db_export__deferred(struct db_export *dbe)
{
	struct deferred_export *de;
	int err;

	while (!list_empty(&dbe->deferred)) {
		de = list_entry(dbe->deferred.next, struct deferred_export,
				node);
		err = dbe->export_comm(dbe, de->comm);
		list_del(&de->node);
		free(de);
		if (err)
			return err;
	}

	return 0;
}

static void db_export__free_deferred(struct db_export *dbe)
{
	struct deferred_export *de;

	while (!list_empty(&dbe->deferred)) {
		de = list_entry(dbe->deferred.next, struct deferred_export,
				node);
		list_del(&de->node);
		free(de);
	}
}

static int db_export__defer_comm(struct db_export *dbe, struct comm *comm)
{
	struct deferred_export *de;

	de = zalloc(sizeof(struct deferred_export));
	if (!de)
		return -ENOMEM;

	de->comm = comm;
	list_add_tail(&de->node, &dbe->deferred);

	return 0;
}

int db_export__init(struct db_export *dbe)
{
	memset(dbe, 0, sizeof(struct db_export));
	INIT_LIST_HEAD(&dbe->deferred);
	return 0;
}

int db_export__flush(struct db_export *dbe)
{
	return db_export__deferred(dbe);
}

void db_export__exit(struct db_export *dbe)
{
	db_export__free_deferred(dbe);
	call_return_processor__free(dbe->crp);
	dbe->crp = NULL;
}

int db_export__evsel(struct db_export *dbe, struct perf_evsel *evsel)
{
	if (evsel->db_id)
		return 0;

	evsel->db_id = ++dbe->evsel_last_db_id;

	if (dbe->export_evsel)
		return dbe->export_evsel(dbe, evsel);

	return 0;
}

int db_export__machine(struct db_export *dbe, struct machine *machine)
{
	if (machine->db_id)
		return 0;

	machine->db_id = ++dbe->machine_last_db_id;

	if (dbe->export_machine)
		return dbe->export_machine(dbe, machine);

	return 0;
}

int db_export__thread(struct db_export *dbe, struct thread *thread,
		      struct machine *machine, struct comm *comm)
{
	struct thread *main_thread;
	u64 main_thread_db_id = 0;
	int err;

	if (thread->db_id)
		return 0;

	thread->db_id = ++dbe->thread_last_db_id;

	if (thread->pid_ != -1) {
		if (thread->pid_ == thread->tid) {
			main_thread = thread;
		} else {
			main_thread = machine__findnew_thread(machine,
							      thread->pid_,
							      thread->pid_);
			if (!main_thread)
				return -ENOMEM;
			err = db_export__thread(dbe, main_thread, machine,
						comm);
			if (err)
				goto out_put;
			if (comm) {
				err = db_export__comm_thread(dbe, comm, thread);
				if (err)
					goto out_put;
			}
		}
		main_thread_db_id = main_thread->db_id;
		if (main_thread != thread)
			thread__put(main_thread);
	}

	if (dbe->export_thread)
		return dbe->export_thread(dbe, thread, main_thread_db_id,
					  machine);

	return 0;

out_put:
	thread__put(main_thread);
	return err;
}

int db_export__comm(struct db_export *dbe, struct comm *comm,
		    struct thread *main_thread)
{
	int err;

	if (comm->db_id)
		return 0;

	comm->db_id = ++dbe->comm_last_db_id;

	if (dbe->export_comm) {
		if (main_thread->comm_set)
			err = dbe->export_comm(dbe, comm);
		else
			err = db_export__defer_comm(dbe, comm);
		if (err)
			return err;
	}

	return db_export__comm_thread(dbe, comm, main_thread);
}

int db_export__comm_thread(struct db_export *dbe, struct comm *comm,
			   struct thread *thread)
{
	u64 db_id;

	db_id = ++dbe->comm_thread_last_db_id;

	if (dbe->export_comm_thread)
		return dbe->export_comm_thread(dbe, db_id, comm, thread);

	return 0;
}

int db_export__dso(struct db_export *dbe, struct dso *dso,
		   struct machine *machine)
{
	if (dso->db_id)
		return 0;

	dso->db_id = ++dbe->dso_last_db_id;

	if (dbe->export_dso)
		return dbe->export_dso(dbe, dso, machine);

	return 0;
}

int db_export__symbol(struct db_export *dbe, struct symbol *sym,
		      struct dso *dso)
{
	u64 *sym_db_id = symbol__priv(sym);

	if (*sym_db_id)
		return 0;

	*sym_db_id = ++dbe->symbol_last_db_id;

	if (dbe->export_symbol)
		return dbe->export_symbol(dbe, sym, dso);

	return 0;
}

static struct thread *get_main_thread(struct machine *machine, struct thread *thread)
{
	if (thread->pid_ == thread->tid)
		return thread__get(thread);

	if (thread->pid_ == -1)
		return NULL;

	return machine__find_thread(machine, thread->pid_, thread->pid_);
}

static int db_ids_from_al(struct db_export *dbe, struct addr_location *al,
			  u64 *dso_db_id, u64 *sym_db_id, u64 *offset)
{
	int err;

	if (al->map) {
		struct dso *dso = al->map->dso;

		err = db_export__dso(dbe, dso, al->machine);
		if (err)
			return err;
		*dso_db_id = dso->db_id;

		if (!al->sym) {
			al->sym = symbol__new(al->addr, 0, 0, "unknown");
			if (al->sym)
				symbols__insert(&dso->symbols[al->map->type],
						al->sym);
		}

		if (al->sym) {
			u64 *db_id = symbol__priv(al->sym);

			err = db_export__symbol(dbe, al->sym, dso);
			if (err)
				return err;
			*sym_db_id = *db_id;
			*offset = al->addr - al->sym->start;
		}
	}

	return 0;
}

int db_export__branch_type(struct db_export *dbe, u32 branch_type,
			   const char *name)
{
	if (dbe->export_branch_type)
		return dbe->export_branch_type(dbe, branch_type, name);

	return 0;
}

int db_export__sample(struct db_export *dbe, union perf_event *event,
		      struct perf_sample *sample, struct perf_evsel *evsel,
		      struct addr_location *al)
{
	struct thread* thread = al->thread;
	struct export_sample es = {
		.event = event,
		.sample = sample,
		.evsel = evsel,
		.al = al,
	};
	struct thread *main_thread;
	struct comm *comm = NULL;
	int err;

	err = db_export__evsel(dbe, evsel);
	if (err)
		return err;

	err = db_export__machine(dbe, al->machine);
	if (err)
		return err;

	main_thread = get_main_thread(al->machine, thread);
	if (main_thread)
		comm = machine__thread_exec_comm(al->machine, main_thread);

	err = db_export__thread(dbe, thread, al->machine, comm);
	if (err)
		goto out_put;

	if (comm) {
		err = db_export__comm(dbe, comm, main_thread);
		if (err)
			goto out_put;
		es.comm_db_id = comm->db_id;
	}

	es.db_id = ++dbe->sample_last_db_id;

	err = db_ids_from_al(dbe, al, &es.dso_db_id, &es.sym_db_id, &es.offset);
	if (err)
		goto out_put;

	if ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
	    sample_addr_correlates_sym(&evsel->attr)) {
		struct addr_location addr_al;

		thread__resolve(thread, &addr_al, sample);
		err = db_ids_from_al(dbe, &addr_al, &es.addr_dso_db_id,
				     &es.addr_sym_db_id, &es.addr_offset);
		if (err)
			goto out_put;
		if (dbe->crp) {
			err = thread_stack__process(thread, comm, sample, al,
						    &addr_al, es.db_id,
						    dbe->crp);
			if (err)
				goto out_put;
		}
	}

	if (dbe->export_sample)
		err = dbe->export_sample(dbe, &es);

out_put:
	thread__put(main_thread);
	return err;
}

static struct {
	u32 branch_type;
	const char *name;
} branch_types[] = {
	{0, "no branch"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "conditional jump"},
	{PERF_IP_FLAG_BRANCH, "unconditional jump"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT,
	 "software interrupt"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT,
	 "return from interrupt"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET,
	 "system call"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET,
	 "return from system call"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "asynchronous branch"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |
	 PERF_IP_FLAG_INTERRUPT, "hardware interrupt"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "transaction abort"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "trace begin"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "trace end"},
	{0, NULL}
};

int db_export__branch_types(struct db_export *dbe)
{
	int i, err = 0;

	for (i = 0; branch_types[i].name ; i++) {
		err = db_export__branch_type(dbe, branch_types[i].branch_type,
					     branch_types[i].name);
		if (err)
			break;
	}
	return err;
}

int db_export__call_path(struct db_export *dbe, struct call_path *cp)
{
	int err;

	if (cp->db_id)
		return 0;

	if (cp->parent) {
		err = db_export__call_path(dbe, cp->parent);
		if (err)
			return err;
	}

	cp->db_id = ++dbe->call_path_last_db_id;

	if (dbe->export_call_path)
		return dbe->export_call_path(dbe, cp);

	return 0;
}

int db_export__call_return(struct db_export *dbe, struct call_return *cr)
{
	int err;

	if (cr->db_id)
		return 0;

	err = db_export__call_path(dbe, cr->cp);
	if (err)
		return err;

	cr->db_id = ++dbe->call_return_last_db_id;

	if (dbe->export_call_return)
		return dbe->export_call_return(dbe, cr);

	return 0;
}
Commit	Line	Data
0db15b1e AH	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"
758008b2	24	#include "util.h"
88f50d60	25	#include "thread-stack.h"
451db126	26	#include "call-path.h"
0db15b1e AH	27	#include "db-export.h"
0db15b1e AH	28
758008b2 AH	29	struct deferred_export {
	30	struct list_head node;
	31	struct comm *comm;
	32	};
	33
	34	static int db_export__deferred(struct db_export *dbe)
	35	{
	36	struct deferred_export *de;
	37	int err;
	38
	39	while (!list_empty(&dbe->deferred)) {
	40	de = list_entry(dbe->deferred.next, struct deferred_export,
	41	node);
	42	err = dbe->export_comm(dbe, de->comm);
	43	list_del(&de->node);
	44	free(de);
	45	if (err)
	46	return err;
	47	}
	48
	49	return 0;
	50	}
	51
	52	static void db_export__free_deferred(struct db_export *dbe)
	53	{
	54	struct deferred_export *de;
	55
	56	while (!list_empty(&dbe->deferred)) {
	57	de = list_entry(dbe->deferred.next, struct deferred_export,
	58	node);
	59	list_del(&de->node);
	60	free(de);
	61	}
	62	}
	63
	64	static int db_export__defer_comm(struct db_export dbe, struct comm comm)
	65	{
	66	struct deferred_export *de;
	67
	68	de = zalloc(sizeof(struct deferred_export));
	69	if (!de)
	70	return -ENOMEM;
	71
	72	de->comm = comm;
	73	list_add_tail(&de->node, &dbe->deferred);
	74
	75	return 0;
	76	}
	77
0db15b1e AH	78	int db_export__init(struct db_export *dbe)
	79	{
	80	memset(dbe, 0, sizeof(struct db_export));
758008b2	81	INIT_LIST_HEAD(&dbe->deferred);
0db15b1e AH	82	return 0;
	83	}
	84
758008b2 AH	85	int db_export__flush(struct db_export *dbe)
	86	{
	87	return db_export__deferred(dbe);
	88	}
	89
88f50d60	90	void db_export__exit(struct db_export *dbe)
0db15b1e	91	{
758008b2	92	db_export__free_deferred(dbe);
88f50d60 AH	93	call_return_processor__free(dbe->crp);
88f50d60 AH	94	dbe->crp = NULL;
0db15b1e AH	95	}
	96
	97	int db_export__evsel(struct db_export dbe, struct perf_evsel evsel)
	98	{
	99	if (evsel->db_id)
	100	return 0;
	101
	102	evsel->db_id = ++dbe->evsel_last_db_id;
	103
	104	if (dbe->export_evsel)
	105	return dbe->export_evsel(dbe, evsel);
	106
	107	return 0;
	108	}
	109
	110	int db_export__machine(struct db_export dbe, struct machine machine)
	111	{
	112	if (machine->db_id)
	113	return 0;
	114
	115	machine->db_id = ++dbe->machine_last_db_id;
	116
	117	if (dbe->export_machine)
	118	return dbe->export_machine(dbe, machine);
	119
	120	return 0;
	121	}
	122
	123	int db_export__thread(struct db_export dbe, struct thread thread,
	124	struct machine machine, struct comm comm)
	125	{
b91fc39f	126	struct thread *main_thread;
0db15b1e AH	127	u64 main_thread_db_id = 0;
	128	int err;
	129
	130	if (thread->db_id)
	131	return 0;
	132
	133	thread->db_id = ++dbe->thread_last_db_id;
	134
	135	if (thread->pid_ != -1) {
0db15b1e AH	136	if (thread->pid_ == thread->tid) {
	137	main_thread = thread;
	138	} else {
	139	main_thread = machine__findnew_thread(machine,
	140	thread->pid_,
	141	thread->pid_);
	142	if (!main_thread)
	143	return -ENOMEM;
	144	err = db_export__thread(dbe, main_thread, machine,
	145	comm);
	146	if (err)
b91fc39f	147	goto out_put;
0db15b1e AH	148	if (comm) {
	149	err = db_export__comm_thread(dbe, comm, thread);
	150	if (err)
b91fc39f	151	goto out_put;
0db15b1e AH	152	}
	153	}
	154	main_thread_db_id = main_thread->db_id;
b91fc39f ACM	155	if (main_thread != thread)
b91fc39f ACM	156	thread__put(main_thread);
0db15b1e AH	157	}
	158
	159	if (dbe->export_thread)
	160	return dbe->export_thread(dbe, thread, main_thread_db_id,
	161	machine);
	162
	163	return 0;
b91fc39f ACM	164
	165	out_put:
	166	thread__put(main_thread);
	167	return err;
0db15b1e AH	168	}
	169
	170	int db_export__comm(struct db_export dbe, struct comm comm,
	171	struct thread *main_thread)
	172	{
	173	int err;
	174
	175	if (comm->db_id)
	176	return 0;
	177
	178	comm->db_id = ++dbe->comm_last_db_id;
	179
	180	if (dbe->export_comm) {
758008b2 AH	181	if (main_thread->comm_set)
	182	err = dbe->export_comm(dbe, comm);
	183	else
	184	err = db_export__defer_comm(dbe, comm);
0db15b1e AH	185	if (err)
	186	return err;
	187	}
	188
	189	return db_export__comm_thread(dbe, comm, main_thread);
	190	}
	191
	192	int db_export__comm_thread(struct db_export dbe, struct comm comm,
	193	struct thread *thread)
	194	{
	195	u64 db_id;
	196
	197	db_id = ++dbe->comm_thread_last_db_id;
	198
	199	if (dbe->export_comm_thread)
	200	return dbe->export_comm_thread(dbe, db_id, comm, thread);
	201
	202	return 0;
	203	}
	204
	205	int db_export__dso(struct db_export dbe, struct dso dso,
	206	struct machine *machine)
	207	{
	208	if (dso->db_id)
	209	return 0;
	210
	211	dso->db_id = ++dbe->dso_last_db_id;
	212
	213	if (dbe->export_dso)
	214	return dbe->export_dso(dbe, dso, machine);
	215
	216	return 0;
	217	}
	218
	219	int db_export__symbol(struct db_export dbe, struct symbol sym,
	220	struct dso *dso)
	221	{
	222	u64 *sym_db_id = symbol__priv(sym);
	223
	224	if (*sym_db_id)
	225	return 0;
	226
	227	*sym_db_id = ++dbe->symbol_last_db_id;
	228
	229	if (dbe->export_symbol)
	230	return dbe->export_symbol(dbe, sym, dso);
	231
	232	return 0;
	233	}
	234
	235	static struct thread get_main_thread(struct machine machine, struct thread *thread)
	236	{
	237	if (thread->pid_ == thread->tid)
427cde32	238	return thread__get(thread);
0db15b1e AH	239
	240	if (thread->pid_ == -1)
	241	return NULL;
	242
	243	return machine__find_thread(machine, thread->pid_, thread->pid_);
	244	}
	245
	246	static int db_ids_from_al(struct db_export dbe, struct addr_location al,
	247	u64 dso_db_id, u64 sym_db_id, u64 *offset)
	248	{
	249	int err;
	250
	251	if (al->map) {
	252	struct dso *dso = al->map->dso;
	253
	254	err = db_export__dso(dbe, dso, al->machine);
	255	if (err)
	256	return err;
	257	*dso_db_id = dso->db_id;
	258
	259	if (!al->sym) {
	260	al->sym = symbol__new(al->addr, 0, 0, "unknown");
	261	if (al->sym)
	262	symbols__insert(&dso->symbols[al->map->type],
	263	al->sym);
	264	}
	265
	266	if (al->sym) {
	267	u64 *db_id = symbol__priv(al->sym);
	268
	269	err = db_export__symbol(dbe, al->sym, dso);
	270	if (err)
	271	return err;
	272	sym_db_id = db_id;
	273	*offset = al->addr - al->sym->start;
	274	}
	275	}
	276
	277	return 0;
	278	}
	279
f2bff007 AH	280	int db_export__branch_type(struct db_export *dbe, u32 branch_type,
	281	const char *name)
	282	{
	283	if (dbe->export_branch_type)
	284	return dbe->export_branch_type(dbe, branch_type, name);
	285
	286	return 0;
	287	}
	288
0db15b1e AH	289	int db_export__sample(struct db_export dbe, union perf_event event,
0db15b1e AH	290	struct perf_sample sample, struct perf_evsel evsel,
7327259d	291	struct addr_location *al)
0db15b1e	292	{
7327259d	293	struct thread* thread = al->thread;
0db15b1e AH	294	struct export_sample es = {
	295	.event = event,
	296	.sample = sample,
	297	.evsel = evsel,
0db15b1e AH	298	.al = al,
	299	};
	300	struct thread *main_thread;
	301	struct comm *comm = NULL;
	302	int err;
	303
	304	err = db_export__evsel(dbe, evsel);
	305	if (err)
	306	return err;
	307
	308	err = db_export__machine(dbe, al->machine);
	309	if (err)
	310	return err;
	311
	312	main_thread = get_main_thread(al->machine, thread);
	313	if (main_thread)
	314	comm = machine__thread_exec_comm(al->machine, main_thread);
	315
	316	err = db_export__thread(dbe, thread, al->machine, comm);
	317	if (err)
427cde32	318	goto out_put;
0db15b1e AH	319
	320	if (comm) {
	321	err = db_export__comm(dbe, comm, main_thread);
	322	if (err)
427cde32	323	goto out_put;
0db15b1e AH	324	es.comm_db_id = comm->db_id;
	325	}
	326
	327	es.db_id = ++dbe->sample_last_db_id;
	328
	329	err = db_ids_from_al(dbe, al, &es.dso_db_id, &es.sym_db_id, &es.offset);
	330	if (err)
427cde32	331	goto out_put;
0db15b1e AH	332
	333	if ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
	334	sample_addr_correlates_sym(&evsel->attr)) {
	335	struct addr_location addr_al;
	336
c2740a87	337	thread__resolve(thread, &addr_al, sample);
0db15b1e AH	338	err = db_ids_from_al(dbe, &addr_al, &es.addr_dso_db_id,
	339	&es.addr_sym_db_id, &es.addr_offset);
	340	if (err)
427cde32	341	goto out_put;
88f50d60 AH	342	if (dbe->crp) {
	343	err = thread_stack__process(thread, comm, sample, al,
	344	&addr_al, es.db_id,
	345	dbe->crp);
	346	if (err)
427cde32	347	goto out_put;
88f50d60	348	}
0db15b1e AH	349	}
	350
	351	if (dbe->export_sample)
427cde32	352	err = dbe->export_sample(dbe, &es);
0db15b1e	353
427cde32 AH	354	out_put:
	355	thread__put(main_thread);
	356	return err;
0db15b1e	357	}
f2bff007 AH	358
	359	static struct {
	360	u32 branch_type;
	361	const char *name;
	362	} branch_types[] = {
	363	{0, "no branch"},
	364	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_CALL, "call"},
	365	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_RETURN, "return"},
	366	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_CONDITIONAL, "conditional jump"},
	367	{PERF_IP_FLAG_BRANCH, "unconditional jump"},
	368	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_CALL \| PERF_IP_FLAG_INTERRUPT,
	369	"software interrupt"},
	370	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_RETURN \| PERF_IP_FLAG_INTERRUPT,
	371	"return from interrupt"},
	372	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_CALL \| PERF_IP_FLAG_SYSCALLRET,
	373	"system call"},
	374	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_RETURN \| PERF_IP_FLAG_SYSCALLRET,
	375	"return from system call"},
	376	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_ASYNC, "asynchronous branch"},
	377	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_CALL \| PERF_IP_FLAG_ASYNC \|
	378	PERF_IP_FLAG_INTERRUPT, "hardware interrupt"},
	379	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_TX_ABORT, "transaction abort"},
	380	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_TRACE_BEGIN, "trace begin"},
	381	{PERF_IP_FLAG_BRANCH \| PERF_IP_FLAG_TRACE_END, "trace end"},
	382	{0, NULL}
	383	};
	384
	385	int db_export__branch_types(struct db_export *dbe)
	386	{
	387	int i, err = 0;
	388
	389	for (i = 0; branch_types[i].name ; i++) {
	390	err = db_export__branch_type(dbe, branch_types[i].branch_type,
	391	branch_types[i].name);
	392	if (err)
	393	break;
	394	}
	395	return err;
	396	}
88f50d60 AH	397
	398	int db_export__call_path(struct db_export dbe, struct call_path cp)
	399	{
	400	int err;
	401
	402	if (cp->db_id)
	403	return 0;
	404
	405	if (cp->parent) {
	406	err = db_export__call_path(dbe, cp->parent);
	407	if (err)
	408	return err;
	409	}
	410
	411	cp->db_id = ++dbe->call_path_last_db_id;
	412
	413	if (dbe->export_call_path)
	414	return dbe->export_call_path(dbe, cp);
	415
	416	return 0;
	417	}
	418
	419	int db_export__call_return(struct db_export dbe, struct call_return cr)
	420	{
	421	int err;
	422
	423	if (cr->db_id)
	424	return 0;
	425
	426	err = db_export__call_path(dbe, cr->cp);
	427	if (err)
	428	return err;
	429
	430	cr->db_id = ++dbe->call_return_last_db_id;
	431
	432	if (dbe->export_call_return)
	433	return dbe->export_call_return(dbe, cr);
	434
	435	return 0;
	436	}