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