Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame^] | 1 | /** |
| 2 | * @file oprof_start_config.cpp |
| 3 | * GUI startup config management |
| 4 | * |
| 5 | * @remark Copyright 2002 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author John Levon |
| 9 | * @author Philippe Elie |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | |
| 14 | #include <sstream> |
| 15 | #include <fstream> |
| 16 | #include <iomanip> |
| 17 | #include <sys/utsname.h> |
| 18 | |
| 19 | #include "string_manip.h" |
| 20 | #include "oprof_start_config.h" |
| 21 | #include "op_config.h" |
| 22 | #include "op_config_24.h" |
| 23 | |
| 24 | using namespace std; |
| 25 | |
| 26 | event_setting::event_setting() |
| 27 | : |
| 28 | count(0), |
| 29 | umask(0), |
| 30 | os_ring_count(0), |
| 31 | user_ring_count(0) |
| 32 | { |
| 33 | } |
| 34 | |
| 35 | |
| 36 | config_setting::config_setting() |
| 37 | : |
| 38 | buffer_size(OP_DEFAULT_BUF_SIZE), |
| 39 | note_table_size(OP_DEFAULT_NOTE_SIZE), |
| 40 | no_kernel(false), |
| 41 | verbose(false), |
| 42 | separate_lib(false), |
| 43 | separate_kernel(false), |
| 44 | separate_cpu(false), |
| 45 | separate_thread(false), |
| 46 | callgraph_depth(0), |
| 47 | buffer_watershed(0), |
| 48 | cpu_buffer_size(0) |
| 49 | { |
| 50 | struct utsname info; |
| 51 | |
| 52 | /* Guess path to vmlinux based on kernel currently running. */ |
| 53 | if (uname(&info)) { |
| 54 | perror("oprof_start: Unable to determine OS release."); |
| 55 | } else { |
| 56 | string const version(info.release); |
| 57 | string const vmlinux_path("/lib/modules/" + version |
| 58 | + "/build/vmlinux"); |
| 59 | kernel_filename = vmlinux_path; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | |
| 64 | void config_setting::load(istream & in) |
| 65 | { |
| 66 | buffer_size = OP_DEFAULT_BUF_SIZE; |
| 67 | note_table_size = OP_DEFAULT_NOTE_SIZE; |
| 68 | |
| 69 | string str; |
| 70 | |
| 71 | while (getline(in, str)) { |
| 72 | string val = split(str, '='); |
| 73 | if (str == "BUF_SIZE") { |
| 74 | buffer_size = op_lexical_cast<unsigned int>(val); |
| 75 | if (buffer_size < OP_DEFAULT_BUF_SIZE) |
| 76 | buffer_size = OP_DEFAULT_BUF_SIZE; |
| 77 | } else if (str == "NOTE_SIZE") { |
| 78 | note_table_size = op_lexical_cast<unsigned int>(val); |
| 79 | if (note_table_size < OP_DEFAULT_NOTE_SIZE) |
| 80 | note_table_size = OP_DEFAULT_NOTE_SIZE; |
| 81 | } else if (str == "VMLINUX") { |
| 82 | if (val == "none") { |
| 83 | kernel_filename = ""; |
| 84 | no_kernel = true; |
| 85 | } else if (!val.empty()) { |
| 86 | no_kernel = false; |
| 87 | kernel_filename = val; |
| 88 | } |
| 89 | } else if (str == "SEPARATE_LIB") { |
| 90 | separate_lib = op_lexical_cast<bool>(val); |
| 91 | } else if (str == "SEPARATE_KERNEL") { |
| 92 | separate_kernel = op_lexical_cast<bool>(val); |
| 93 | } else if (str == "SEPARATE_CPU") { |
| 94 | separate_cpu = op_lexical_cast<bool>(val); |
| 95 | } else if (str == "SEPARATE_THREAD") { |
| 96 | separate_thread = op_lexical_cast<bool>(val); |
| 97 | } else if (str == "CALLGRAPH") { |
| 98 | callgraph_depth = op_lexical_cast<unsigned int>(val); |
| 99 | } else if (str == "BUF_WATERSHED") { |
| 100 | buffer_watershed = op_lexical_cast<unsigned int>(val); |
| 101 | } else if (str == "CPU_BUF_SIZE") { |
| 102 | cpu_buffer_size = op_lexical_cast<unsigned int>(val); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | |
| 108 | istream & operator>>(istream & in, config_setting & object) |
| 109 | { |
| 110 | object.load(in); |
| 111 | return in; |
| 112 | } |