Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file opgprof_options.cpp |
| 3 | * Options for opgprof tool |
| 4 | * |
| 5 | * @remark Copyright 2003 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | * @author Philippe Elie |
| 10 | */ |
| 11 | |
| 12 | #include <cstdlib> |
| 13 | |
| 14 | #include <vector> |
| 15 | #include <list> |
| 16 | #include <iterator> |
| 17 | #include <iostream> |
| 18 | #include <cstdlib> |
| 19 | |
| 20 | #include "opgprof_options.h" |
| 21 | #include "popt_options.h" |
| 22 | #include "cverb.h" |
| 23 | #include "profile_spec.h" |
| 24 | #include "arrange_profiles.h" |
| 25 | |
| 26 | using namespace std; |
| 27 | |
| 28 | profile_classes classes; |
| 29 | inverted_profile image_profile; |
| 30 | |
| 31 | namespace options { |
| 32 | string gmon_filename = "gmon.out"; |
| 33 | |
| 34 | // Ugly, for build only |
| 35 | demangle_type demangle; |
| 36 | } |
| 37 | |
| 38 | |
| 39 | namespace { |
| 40 | |
| 41 | popt::option options_array[] = { |
| 42 | popt::option(options::gmon_filename, "output-filename", 'o', |
| 43 | "output filename, defaults to gmon.out if not specified", |
| 44 | "filename"), |
| 45 | popt::option(options::threshold_opt, "threshold", 't', |
| 46 | "minimum percentage needed to produce output", |
| 47 | "percent"), |
| 48 | }; |
| 49 | |
| 50 | |
| 51 | bool try_merge_profiles(profile_spec const & spec, bool exclude_dependent) |
| 52 | { |
| 53 | list<string> sample_files = spec.generate_file_list(exclude_dependent, false); |
| 54 | |
| 55 | cverb << vsfile |
| 56 | << "Matched sample files: " << sample_files.size() << endl; |
| 57 | copy(sample_files.begin(), sample_files.end(), |
| 58 | ostream_iterator<string>(cverb << vsfile, "\n")); |
| 59 | |
| 60 | // opgprof merge all by default |
| 61 | merge_option merge_by; |
| 62 | merge_by.cpu = true; |
| 63 | merge_by.lib = true; |
| 64 | merge_by.tid = true; |
| 65 | merge_by.tgid = true; |
| 66 | merge_by.unitmask = true; |
| 67 | |
| 68 | classes = arrange_profiles(sample_files, merge_by, |
| 69 | spec.extra_found_images); |
| 70 | |
| 71 | cverb << vsfile << "profile_classes:\n" << classes << endl; |
| 72 | |
| 73 | size_t nr_classes = classes.v.size(); |
| 74 | |
| 75 | list<inverted_profile> iprofiles = invert_profiles(classes); |
| 76 | |
| 77 | if (nr_classes == 1 && iprofiles.size() == 1) { |
| 78 | image_profile = *(iprofiles.begin()); |
| 79 | return true; |
| 80 | } |
| 81 | |
| 82 | // come round for another try |
| 83 | if (exclude_dependent) |
| 84 | return false; |
| 85 | |
| 86 | if (iprofiles.empty()) { |
| 87 | cerr << "error: no sample files found: profile specification " |
| 88 | "too strict ?" << endl; |
| 89 | exit(EXIT_FAILURE); |
| 90 | } |
| 91 | |
| 92 | if (nr_classes > 1 || iprofiles.size() > 1) { |
| 93 | cerr << "error: specify exactly one binary to process " |
| 94 | "and give an event: or count: specification if necessary" |
| 95 | << endl; |
| 96 | exit(EXIT_FAILURE); |
| 97 | } |
| 98 | |
| 99 | return false; |
| 100 | } |
| 101 | |
| 102 | } // anonymous namespace |
| 103 | |
| 104 | |
| 105 | void handle_options(options::spec const & spec) |
| 106 | { |
| 107 | if (spec.first.size()) { |
| 108 | cerr << "differential profiles not allowed" << endl; |
| 109 | exit(EXIT_FAILURE); |
| 110 | } |
| 111 | |
| 112 | profile_spec const pspec = |
| 113 | profile_spec::create(spec.common, options::image_path, |
| 114 | options::root_path); |
| 115 | |
| 116 | cverb << vsfile << "output filename: " << options::gmon_filename |
| 117 | << endl; |
| 118 | |
| 119 | // we do a first try with exclude-dependent if it fails we include |
| 120 | // dependent. First try should catch "opgrof /usr/bin/make" whilst |
| 121 | // the second catch "opgprof /lib/libc-2.2.5.so" |
| 122 | if (!try_merge_profiles(pspec, true)) |
| 123 | try_merge_profiles(pspec, false); |
| 124 | } |