1 /**
2 * @file populate.cpp
3 * Fill up a profile_container from inverted profiles
4 *
5 * @remark Copyright 2003 OProfile authors
6 * @remark Read the file COPYING
7 *
8 * @author John Levon
9 * @author Philippe Elie
10 *
11 * Modified by Maynard Johnson <maynardj@us.ibm.com>
12 * (C) Copyright IBM Corporation 2007
13 */
14
15 #include "profile.h"
16 #include "profile_container.h"
17 #include "arrange_profiles.h"
18 #include "op_bfd.h"
19 #include "op_header.h"
20 #include "populate.h"
21 #include "populate_for_spu.h"
22
23 #include "image_errors.h"
24
25 #include <iostream>
26
27 using namespace std;
28
29 namespace {
30
31 /// load merged files for one set of sample files
32 bool
populate_from_files(profile_t & profile,op_bfd const & abfd,list<profile_sample_files> const & files)33 populate_from_files(profile_t & profile, op_bfd const & abfd,
34 list<profile_sample_files> const & files)
35 {
36 list<profile_sample_files>::const_iterator it = files.begin();
37 list<profile_sample_files>::const_iterator const end = files.end();
38
39 bool found = false;
40 // we can't handle cg files here obviously
41 for (; it != end; ++it) {
42 // A bit ugly but we must accept silently empty sample filename
43 // since we can create a profile_sample_files for cg file only
44 // (i.e no sample to the binary)
45 if (!it->sample_filename.empty()) {
46 profile.add_sample_file(it->sample_filename);
47 profile.set_offset(abfd);
48 found = true;
49 }
50 }
51
52 return found;
53 }
54
55 } // anon namespace
56
57
58 void
populate_for_image(profile_container & samples,inverted_profile const & ip,string_filter const & symbol_filter,bool * has_debug_info)59 populate_for_image(profile_container & samples, inverted_profile const & ip,
60 string_filter const & symbol_filter, bool * has_debug_info)
61 {
62 if (is_spu_profile(ip)) {
63 populate_for_spu_image(samples, ip, symbol_filter,
64 has_debug_info);
65 return;
66 }
67
68 bool ok = ip.error == image_ok;
69 op_bfd abfd(ip.image, symbol_filter,
70 samples.extra_found_images, ok);
71 if (!ok && ip.error == image_ok)
72 ip.error = image_format_failure;
73
74 if (ip.error == image_format_failure)
75 report_image_error(ip, false, samples.extra_found_images);
76
77 opd_header header;
78
79 bool found = false;
80 for (size_t i = 0; i < ip.groups.size(); ++i) {
81 list<image_set>::const_iterator it
82 = ip.groups[i].begin();
83 list<image_set>::const_iterator const end
84 = ip.groups[i].end();
85
86 // we can only share a profile_t amongst each
87 // image_set's files - this is because it->app_image
88 // changes, and the .add() would mis-attribute
89 // to the wrong app_image otherwise
90 for (; it != end; ++it) {
91 profile_t profile;
92 if (populate_from_files(profile, abfd, it->files)) {
93 header = profile.get_header();
94 samples.add(profile, abfd, it->app_image, i);
95 found = true;
96 }
97 }
98 }
99
100 if (found == true && ip.error == image_ok) {
101 image_error error;
102 string filename =
103 samples.extra_found_images.find_image_path(
104 ip.image, error, true);
105 check_mtime(filename, header);
106 }
107
108 if (has_debug_info)
109 *has_debug_info = abfd.has_debug_info();
110 }
111