2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005-2007, Joseph Koshy
5 * Copyright (c) 2007 The FreeBSD Foundation
8 * Copyright (c) 2014 Netflix, Inc.
9 * Written by: Adrian Chadd <adrian@FreeBSD.org>
11 * Portions of this software were developed by A. Joseph Koshy under
12 * sponsorship from the FreeBSD Foundation and Google, Inc.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * Transform a hwpmc(4) log into human readable form, and into
38 * gprof(1) compatible profiles.
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
44 #include <sys/param.h>
45 #include <sys/endian.h>
47 #include <sys/imgact_aout.h>
48 #include <sys/imgact_elf.h>
51 #include <sys/queue.h>
52 #include <sys/socket.h>
56 #include <netinet/in.h>
76 #include "pmcstat_log.h"
77 #include "pmcpl_annotate_cg.h"
84 pmcpl_annotate_cg_process(struct pmcstat_process *pp, struct pmcstat_pmcrecord *pmcr,
85 uint32_t nsamples, uintfptr_t *cc, int usermode, uint32_t cpu)
87 struct pmcstat_pcmap *map;
88 struct pmcstat_symbol *sym;
90 struct pmcstat_image *image;
92 char filename[PATH_MAX], funcname[PATH_MAX];
95 (void) pmcr; (void) nsamples; (void) usermode; (void) cpu;
97 for (i = 0; i < (int) nsamples; i++) {
105 map = pmcstat_process_find_map(usermode ? pp : pmcstat_kernproc, cc[i]);
107 assert(cc[i] >= map->ppm_lowpc && cc[i] < map->ppm_highpc);
108 image = map->ppm_image;
109 newpc = cc[i] - (map->ppm_lowpc +
110 (image->pi_vaddr - image->pi_start));
111 sym = pmcstat_symbol_search(image, newpc);
114 if (map != NULL && image != NULL && sym != NULL) {
115 (void) pmcstat_image_addr2line(image, cc[i],
116 filename, sizeof(filename), &sline, funcname, sizeof(funcname));
119 if (map != NULL && sym != NULL) {
120 fprintf(args.pa_graphfile, "%p %s %s:%d\n",
126 fprintf(args.pa_graphfile, "%p <unknown> ??:0\n",
130 fprintf(args.pa_graphfile, "--\n");