2 * Copyright (c) 2005-2007, Joseph Koshy
3 * Copyright (c) 2007 The FreeBSD Foundation
6 * Portions of this software were developed by A. Joseph Koshy under
7 * sponsorship from the FreeBSD Foundation and Google, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * Transform a hwpmc(4) log into human readable form, and into
33 * gprof(1) compatible profiles.
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
39 #include <sys/param.h>
40 #include <sys/endian.h>
42 #include <sys/imgact_aout.h>
43 #include <sys/imgact_elf.h>
46 #include <sys/queue.h>
47 #include <sys/socket.h>
51 #include <netinet/in.h>
71 #include "pmcstat_log.h"
72 #include "pmcpl_annotate.h"
79 pmcpl_annotate_process(struct pmcstat_process *pp, struct pmcstat_pmcrecord *pmcr,
80 uint32_t nsamples, uintfptr_t *cc, int usermode, uint32_t cpu)
82 struct pmcstat_pcmap *map;
83 struct pmcstat_symbol *sym;
85 struct pmcstat_image *image;
87 (void) pmcr; (void) nsamples; (void) usermode; (void) cpu;
89 map = pmcstat_process_find_map(usermode ? pp : pmcstat_kernproc, cc[0]);
92 pmcstat_stats.ps_samples_unknown_offset++;
96 assert(cc[0] >= map->ppm_lowpc && cc[0] < map->ppm_highpc);
98 image = map->ppm_image;
99 newpc = cc[0] - (map->ppm_lowpc +
100 (image->pi_vaddr - image->pi_start));
101 sym = pmcstat_symbol_search(image, newpc);
105 fprintf(args.pa_graphfile, "%p %s 0x%jx 0x%jx\n",
107 pmcstat_string_unintern(sym->ps_name),
108 (uintmax_t)(sym->ps_start +
109 image->pi_vaddr), (uintmax_t)(sym->ps_end +