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 40 struct 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 49 struct pmcstat_cgnode_hash { 50 struct pmcstat_cgnode *pch_cgnode; 51 pmc_id_t pch_pmcid; 52 LIST_ENTRY(pmcstat_cgnode_hash) pch_next; 53 }; 54 extern LIST_HEAD(pmcstat_cgnode_hash_list, pmcstat_cgnode_hash) pmcstat_cgnode_hash[PMCSTAT_NHASH]; 55 extern int pmcstat_cgnode_hash_count; 56 57 /* Function prototypes */ 58 int pmcpl_cg_init(void); 59 void pmcpl_cg_shutdown(FILE *mf); 60 void pmcpl_cg_process( 61 struct pmcstat_process *pp, struct pmcstat_pmcrecord *pmcr, 62 uint32_t nsamples, uintfptr_t *cc, int usermode, uint32_t cpu); 63 int pmcpl_cg_topkeypress(int c, void *w); 64 void pmcpl_cg_topdisplay(void); 65 void pmcpl_cg_configure(char *opt); 66 67 #endif /* _PMCSTAT_PL_CALLGRAPH_H_ */ 68