1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005-2007, Joseph Koshy
5 * Copyright (c) 2007 The FreeBSD Foundation
6 * All rights reserved.
7 *
8 * Portions of this software were developed by A. Joseph Koshy under
9 * sponsorship from the FreeBSD Foundation and Google, Inc.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef	_PMCSTAT_PL_CALLGRAPH_H_
34#define	_PMCSTAT_PL_CALLGRAPH_H_
35
36/*
37 * Each call graph node is tracked by a pmcstat_cgnode struct.
38 */
39
40struct pmcstat_cgnode {
41	struct pmcstat_image	*pcg_image;
42	uintfptr_t		pcg_func;
43	uint32_t		pcg_count;
44	uint32_t		pcg_nchildren;
45	LIST_ENTRY(pmcstat_cgnode) pcg_sibling;
46	LIST_HEAD(,pmcstat_cgnode) pcg_children;
47};
48
49struct pmcstat_cgnode_hash {
50	struct pmcstat_cgnode  *pch_cgnode;
51	pmc_id_t		pch_pmcid;
52	LIST_ENTRY(pmcstat_cgnode_hash) pch_next;
53};
54extern LIST_HEAD(pmcstat_cgnode_hash_list, pmcstat_cgnode_hash) pmcstat_cgnode_hash[PMCSTAT_NHASH];
55extern int pmcstat_cgnode_hash_count;
56
57/* Function prototypes */
58int pmcpl_cg_init(void);
59void pmcpl_cg_shutdown(FILE *mf);
60void pmcpl_cg_process(
61    struct pmcstat_process *pp, struct pmcstat_pmcrecord *pmcr,
62    uint32_t nsamples, uintfptr_t *cc, int usermode, uint32_t cpu);
63int pmcpl_cg_topkeypress(int c, void *w);
64void pmcpl_cg_topdisplay(void);
65void pmcpl_cg_configure(char *opt);
66
67#endif	/* _PMCSTAT_PL_CALLGRAPH_H_ */
68