Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file oprof_start.cpp |
| 3 | * The GUI start main class |
| 4 | * |
| 5 | * @remark Copyright 2002 OProfile authors |
| 6 | * @remark Read the file COPYING |
| 7 | * |
| 8 | * @author Philippe Elie |
| 9 | * @author John Levon |
| 10 | */ |
| 11 | |
| 12 | #include <sys/stat.h> |
| 13 | #include <unistd.h> |
| 14 | |
| 15 | #include <ctime> |
| 16 | #include <cstdio> |
| 17 | #include <cmath> |
| 18 | #include <sstream> |
| 19 | #include <iostream> |
| 20 | #include <fstream> |
| 21 | #include <algorithm> |
| 22 | |
| 23 | #include <qlineedit.h> |
| 24 | #include <qlistview.h> |
| 25 | #include <qcombobox.h> |
| 26 | #include <qlistbox.h> |
| 27 | #include <qfiledialog.h> |
| 28 | #include <qbuttongroup.h> |
| 29 | #include <qcheckbox.h> |
| 30 | #include <qtabwidget.h> |
| 31 | #include <qmessagebox.h> |
| 32 | #include <qvalidator.h> |
| 33 | #include <qlabel.h> |
| 34 | #include <qpushbutton.h> |
| 35 | #include <qheader.h> |
| 36 | |
| 37 | #include "config.h" |
| 38 | #include "oprof_start.h" |
| 39 | #include "op_config.h" |
| 40 | #include "op_config_24.h" |
| 41 | #include "string_manip.h" |
| 42 | #include "op_cpufreq.h" |
| 43 | #include "op_alloc_counter.h" |
| 44 | #include "oprof_start_util.h" |
| 45 | #include "file_manip.h" |
| 46 | |
| 47 | #include "op_hw_config.h" |
| 48 | |
| 49 | using namespace std; |
| 50 | |
| 51 | static char const * green_xpm[] = { |
| 52 | "16 16 2 1", |
| 53 | " c None", |
| 54 | ". c #00FF00", |
| 55 | " ....... ", |
| 56 | " ........... ", |
| 57 | " ............. ", |
| 58 | " ............. ", |
| 59 | "............... ", |
| 60 | "............... ", |
| 61 | "............... ", |
| 62 | "............... ", |
| 63 | "............... ", |
| 64 | "............... ", |
| 65 | "............... ", |
| 66 | " ............. ", |
| 67 | " ............. ", |
| 68 | " ........... ", |
| 69 | " ....... ", |
| 70 | " " }; |
| 71 | |
| 72 | static char const * red_xpm[] = { |
| 73 | "16 16 2 1", |
| 74 | " c None", |
| 75 | ". c #FF0000", |
| 76 | " ....... ", |
| 77 | " ........... ", |
| 78 | " ............. ", |
| 79 | " ............. ", |
| 80 | "............... ", |
| 81 | "............... ", |
| 82 | "............... ", |
| 83 | "............... ", |
| 84 | "............... ", |
| 85 | "............... ", |
| 86 | "............... ", |
| 87 | " ............. ", |
| 88 | " ............. ", |
| 89 | " ........... ", |
| 90 | " ....... ", |
| 91 | " " }; |
| 92 | |
| 93 | static QPixmap * green_pixmap; |
| 94 | static QPixmap * red_pixmap; |
| 95 | |
| 96 | |
| 97 | op_event_descr::op_event_descr() |
| 98 | : |
| 99 | counter_mask(0), |
| 100 | val(0), |
| 101 | unit(0), |
| 102 | min_count(0) |
| 103 | { |
| 104 | } |
| 105 | |
| 106 | |
| 107 | oprof_start::oprof_start() |
| 108 | : |
| 109 | oprof_start_base(0, 0, false, 0), |
| 110 | event_count_validator(new QIntValidator(event_count_edit)), |
| 111 | current_event(0), |
| 112 | cpu_speed(op_cpu_frequency()), |
| 113 | total_nr_interrupts(0) |
| 114 | { |
| 115 | green_pixmap = new QPixmap(green_xpm); |
| 116 | red_pixmap = new QPixmap(red_xpm); |
| 117 | vector<string> args; |
| 118 | args.push_back("--init"); |
| 119 | |
| 120 | if (do_exec_command(OP_BINDIR "/opcontrol", args)) |
| 121 | exit(EXIT_FAILURE); |
| 122 | |
| 123 | cpu_type = op_get_cpu_type(); |
| 124 | op_nr_counters = op_get_nr_counters(cpu_type); |
| 125 | |
| 126 | if (cpu_type == CPU_TIMER_INT) { |
| 127 | setup_config_tab->removePage(counter_setup_page); |
| 128 | } else { |
| 129 | fill_events(); |
| 130 | } |
| 131 | |
| 132 | op_interface interface = op_get_interface(); |
| 133 | if (interface == OP_INTERFACE_NO_GOOD) { |
| 134 | QMessageBox::warning(this, 0, "Couldn't determine kernel" |
| 135 | " interface version"); |
| 136 | exit(EXIT_FAILURE); |
| 137 | } |
| 138 | bool is_26 = interface == OP_INTERFACE_26; |
| 139 | |
| 140 | if (is_26) { |
| 141 | note_table_size_edit->hide(); |
| 142 | note_table_size_label->hide(); |
| 143 | if (!op_file_readable("/dev/oprofile/backtrace_depth")) { |
| 144 | callgraph_depth_label->hide(); |
| 145 | callgraph_depth_edit->hide(); |
| 146 | } |
| 147 | } else { |
| 148 | callgraph_depth_label->hide(); |
| 149 | callgraph_depth_edit->hide(); |
| 150 | buffer_watershed_label->hide(); |
| 151 | buffer_watershed_edit->hide(); |
| 152 | cpu_buffer_size_label->hide(); |
| 153 | cpu_buffer_size_edit->hide(); |
| 154 | } |
| 155 | |
| 156 | // setup the configuration page. |
| 157 | kernel_filename_edit->setText(config.kernel_filename.c_str()); |
| 158 | |
| 159 | no_vmlinux->setChecked(config.no_kernel); |
| 160 | |
| 161 | buffer_size_edit->setText(QString().setNum(config.buffer_size)); |
| 162 | buffer_watershed_edit->setText(QString().setNum(config.buffer_watershed)); |
| 163 | cpu_buffer_size_edit->setText(QString().setNum(config.cpu_buffer_size)); |
| 164 | note_table_size_edit->setText(QString().setNum(config.note_table_size)); |
| 165 | callgraph_depth_edit->setText(QString().setNum(config.callgraph_depth)); |
| 166 | verbose->setChecked(config.verbose); |
| 167 | separate_lib_cb->setChecked(config.separate_lib); |
| 168 | separate_kernel_cb->setChecked(config.separate_kernel); |
| 169 | separate_cpu_cb->setChecked(config.separate_cpu); |
| 170 | separate_thread_cb->setChecked(config.separate_thread); |
| 171 | |
| 172 | // the unit mask check boxes |
| 173 | hide_masks(); |
| 174 | |
| 175 | event_count_edit->setValidator(event_count_validator); |
| 176 | QIntValidator * iv; |
| 177 | iv = new QIntValidator(OP_MIN_BUF_SIZE, OP_MAX_BUF_SIZE, buffer_size_edit); |
| 178 | buffer_size_edit->setValidator(iv); |
| 179 | iv = new QIntValidator(OP_MIN_NOTE_TABLE_SIZE, OP_MAX_NOTE_TABLE_SIZE, note_table_size_edit); |
| 180 | note_table_size_edit->setValidator(iv); |
| 181 | iv = new QIntValidator(0, INT_MAX, callgraph_depth_edit); |
| 182 | callgraph_depth_edit->setValidator(iv); |
| 183 | iv = new QIntValidator(0, INT_MAX, buffer_watershed_edit); |
| 184 | buffer_watershed_edit->setValidator(iv); |
| 185 | iv = new QIntValidator(0, OP_MAX_CPU_BUF_SIZE, cpu_buffer_size_edit); |
| 186 | cpu_buffer_size_edit->setValidator(iv); |
| 187 | |
| 188 | // daemon status timer |
| 189 | startTimer(5000); |
| 190 | timerEvent(0); |
| 191 | |
| 192 | resize(minimumSizeHint()); |
| 193 | |
| 194 | // force the pixmap re-draw |
| 195 | event_selected(); |
| 196 | } |
| 197 | |
| 198 | |
| 199 | void oprof_start::fill_events() |
| 200 | { |
| 201 | // we need to build the event descr stuff before loading the |
| 202 | // configuration because we use locate_event to get an event descr |
| 203 | // from its name. |
| 204 | struct list_head * pos; |
| 205 | struct list_head * events = op_events(cpu_type); |
| 206 | |
| 207 | list_for_each(pos, events) { |
| 208 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
| 209 | |
| 210 | op_event_descr descr; |
| 211 | |
| 212 | descr.counter_mask = event->counter_mask; |
| 213 | descr.val = event->val; |
| 214 | if (event->unit->num) { |
| 215 | descr.unit = event->unit; |
| 216 | } else { |
| 217 | descr.unit = 0; |
| 218 | } |
| 219 | |
| 220 | descr.name = event->name; |
| 221 | descr.help_str = event->desc; |
| 222 | descr.min_count = event->min_count; |
| 223 | |
| 224 | for (uint ctr = 0; ctr < op_nr_counters; ++ctr) { |
| 225 | uint count; |
| 226 | |
| 227 | if (!(descr.counter_mask & (1 << ctr))) |
| 228 | continue; |
| 229 | |
| 230 | if (cpu_type == CPU_RTC) { |
| 231 | count = 1024; |
| 232 | } else { |
| 233 | /* setting to cpu Hz / 2000 gives a safe value for |
| 234 | * all events, and a good one for most. |
| 235 | */ |
| 236 | if (cpu_speed) |
| 237 | count = int(cpu_speed * 500); |
| 238 | else |
| 239 | count = descr.min_count * 100; |
| 240 | } |
| 241 | |
| 242 | event_cfgs[descr.name].count = count; |
| 243 | event_cfgs[descr.name].umask = 0; |
| 244 | if (descr.unit) |
| 245 | event_cfgs[descr.name].umask = descr.unit->default_mask; |
| 246 | event_cfgs[descr.name].os_ring_count = 1; |
| 247 | event_cfgs[descr.name].user_ring_count = 1; |
| 248 | } |
| 249 | |
| 250 | v_events.push_back(descr); |
| 251 | } |
| 252 | |
| 253 | events_list->header()->hide(); |
| 254 | events_list->setSorting(-1); |
| 255 | |
| 256 | fill_events_listbox(); |
| 257 | |
| 258 | read_set_events(); |
| 259 | |
| 260 | // FIXME: why this ? |
| 261 | if (cpu_type == CPU_RTC) |
| 262 | events_list->setCurrentItem(events_list->firstChild()); |
| 263 | |
| 264 | load_config_file(); |
| 265 | } |
| 266 | |
| 267 | |
| 268 | namespace { |
| 269 | |
| 270 | /// find the first item with the given text in column 0 or return NULL |
| 271 | QListViewItem * findItem(QListView * view, char const * name) |
| 272 | { |
| 273 | // Qt 2.3.1 does not have QListView::findItem() |
| 274 | QListViewItem * item = view->firstChild(); |
| 275 | |
| 276 | while (item && strcmp(item->text(0).latin1(), name)) |
| 277 | item = item->nextSibling(); |
| 278 | |
| 279 | return item; |
| 280 | } |
| 281 | |
| 282 | }; |
| 283 | |
| 284 | |
| 285 | void oprof_start::setup_default_event() |
| 286 | { |
| 287 | struct op_default_event_descr descr; |
| 288 | op_default_event(cpu_type, &descr); |
| 289 | |
| 290 | event_cfgs[descr.name].umask = descr.um; |
| 291 | event_cfgs[descr.name].count = descr.count; |
| 292 | event_cfgs[descr.name].user_ring_count = 1; |
| 293 | event_cfgs[descr.name].os_ring_count = 1; |
| 294 | |
| 295 | QListViewItem * item = findItem(events_list, descr.name); |
| 296 | if (item) |
| 297 | item->setSelected(true); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | void oprof_start::read_set_events() |
| 302 | { |
| 303 | string name = get_config_filename(".oprofile/daemonrc"); |
| 304 | |
| 305 | ifstream in(name.c_str()); |
| 306 | |
| 307 | if (!in) { |
| 308 | setup_default_event(); |
| 309 | return; |
| 310 | } |
| 311 | |
| 312 | string str; |
| 313 | |
| 314 | bool one_enabled = false; |
| 315 | |
| 316 | while (getline(in, str)) { |
| 317 | string const val = split(str, '='); |
| 318 | string const name = str; |
| 319 | |
| 320 | if (!is_prefix(name, "CHOSEN_EVENTS_")) |
| 321 | continue; |
| 322 | |
| 323 | one_enabled = true; |
| 324 | |
| 325 | // CHOSEN_EVENTS_#nr=CPU_CLK_UNHALTED:10000:0:1:1 |
| 326 | vector<string> parts = separate_token(val, ':'); |
| 327 | |
| 328 | if (parts.size() != 5 && parts.size() != 2) { |
| 329 | cerr << "invalid configuration file\n"; |
| 330 | // FIXME |
| 331 | exit(EXIT_FAILURE); |
| 332 | } |
| 333 | |
| 334 | string ev_name = parts[0]; |
| 335 | event_cfgs[ev_name].count = |
| 336 | op_lexical_cast<unsigned int>(parts[1]); |
| 337 | |
| 338 | // CPU_CLK_UNHALTED:10000 is also valid |
| 339 | if (parts.size() == 5) { |
| 340 | event_cfgs[ev_name].umask = |
| 341 | op_lexical_cast<unsigned int>(parts[2]); |
| 342 | event_cfgs[ev_name].user_ring_count = |
| 343 | op_lexical_cast<unsigned int>(parts[3]); |
| 344 | event_cfgs[ev_name].os_ring_count = |
| 345 | op_lexical_cast<unsigned int>(parts[4]); |
| 346 | } else { |
| 347 | event_cfgs[ev_name].umask = 0; |
| 348 | event_cfgs[ev_name].user_ring_count = 1; |
| 349 | event_cfgs[ev_name].os_ring_count = 1; |
| 350 | } |
| 351 | |
| 352 | QListViewItem * item = findItem(events_list, ev_name.c_str()); |
| 353 | if (item) |
| 354 | item->setSelected(true); |
| 355 | } |
| 356 | |
| 357 | // use default event if none set |
| 358 | if (!one_enabled) |
| 359 | setup_default_event(); |
| 360 | } |
| 361 | |
| 362 | |
| 363 | void oprof_start::load_config_file() |
| 364 | { |
| 365 | string name = get_config_filename(".oprofile/daemonrc"); |
| 366 | |
| 367 | ifstream in(name.c_str()); |
| 368 | if (!in) { |
| 369 | if (!check_and_create_config_dir()) |
| 370 | return; |
| 371 | |
| 372 | ofstream out(name.c_str()); |
| 373 | if (!out) { |
| 374 | QMessageBox::warning(this, 0, "Unable to open configuration " |
| 375 | "file ~/.oprofile/daemonrc"); |
| 376 | } |
| 377 | return; |
| 378 | } |
| 379 | |
| 380 | in >> config; |
| 381 | } |
| 382 | |
| 383 | |
| 384 | // user request a "normal" exit so save the config file. |
| 385 | void oprof_start::accept() |
| 386 | { |
| 387 | // record the previous settings |
| 388 | record_selected_event_config(); |
| 389 | |
| 390 | save_config(); |
| 391 | |
| 392 | QDialog::accept(); |
| 393 | } |
| 394 | |
| 395 | |
| 396 | void oprof_start::closeEvent(QCloseEvent *) |
| 397 | { |
| 398 | accept(); |
| 399 | } |
| 400 | |
| 401 | |
| 402 | void oprof_start::timerEvent(QTimerEvent *) |
| 403 | { |
| 404 | static time_t last = time(0); |
| 405 | |
| 406 | daemon_status dstat; |
| 407 | |
| 408 | flush_profiler_data_btn->setEnabled(dstat.running); |
| 409 | stop_profiler_btn->setEnabled(dstat.running); |
| 410 | start_profiler_btn->setEnabled(!dstat.running); |
| 411 | reset_sample_files_btn->setEnabled(!dstat.running); |
| 412 | |
| 413 | if (!dstat.running) { |
| 414 | daemon_label->setText("Profiler is not running."); |
| 415 | return; |
| 416 | } |
| 417 | |
| 418 | ostringstream ss; |
| 419 | ss << "Profiler running:"; |
| 420 | |
| 421 | time_t curr = time(0); |
| 422 | total_nr_interrupts += dstat.nr_interrupts; |
| 423 | |
| 424 | if (curr - last) |
| 425 | ss << " (" << dstat.nr_interrupts / (curr - last) << " interrupts / second, total " << total_nr_interrupts << ")"; |
| 426 | |
| 427 | daemon_label->setText(ss.str().c_str()); |
| 428 | |
| 429 | last = curr; |
| 430 | } |
| 431 | |
| 432 | |
| 433 | void oprof_start::fill_events_listbox() |
| 434 | { |
| 435 | setUpdatesEnabled(false); |
| 436 | |
| 437 | for (vector<op_event_descr>::reverse_iterator cit = v_events.rbegin(); |
| 438 | cit != v_events.rend(); ++cit) { |
| 439 | new QListViewItem(events_list, cit->name.c_str()); |
| 440 | } |
| 441 | |
| 442 | setUpdatesEnabled(true); |
| 443 | update(); |
| 444 | } |
| 445 | |
| 446 | |
| 447 | void oprof_start::display_event(op_event_descr const & descr) |
| 448 | { |
| 449 | setUpdatesEnabled(false); |
| 450 | |
| 451 | setup_unit_masks(descr); |
| 452 | os_ring_count_cb->setEnabled(true); |
| 453 | user_ring_count_cb->setEnabled(true); |
| 454 | event_count_edit->setEnabled(true); |
| 455 | |
| 456 | event_setting & cfg = event_cfgs[descr.name]; |
| 457 | |
| 458 | os_ring_count_cb->setChecked(cfg.os_ring_count); |
| 459 | user_ring_count_cb->setChecked(cfg.user_ring_count); |
| 460 | QString count_text; |
| 461 | count_text.setNum(cfg.count); |
| 462 | event_count_edit->setText(count_text); |
| 463 | event_count_validator->setRange(descr.min_count, max_perf_count()); |
| 464 | |
| 465 | setUpdatesEnabled(true); |
| 466 | update(); |
| 467 | } |
| 468 | |
| 469 | |
| 470 | bool oprof_start::is_selectable_event(QListViewItem * item) |
| 471 | { |
| 472 | if (item->isSelected()) |
| 473 | return true; |
| 474 | |
| 475 | selected_events.insert(item); |
| 476 | |
| 477 | bool ret = false; |
| 478 | if (alloc_selected_events()) |
| 479 | ret = true; |
| 480 | |
| 481 | selected_events.erase(item); |
| 482 | |
| 483 | return ret; |
| 484 | } |
| 485 | |
| 486 | |
| 487 | void oprof_start::draw_event_list() |
| 488 | { |
| 489 | QListViewItem * cur; |
| 490 | for (cur = events_list->firstChild(); cur; cur = cur->nextSibling()) { |
| 491 | if (is_selectable_event(cur)) |
| 492 | cur->setPixmap(0, *green_pixmap); |
| 493 | else |
| 494 | cur->setPixmap(0, *red_pixmap); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | |
| 499 | bool oprof_start::alloc_selected_events() const |
| 500 | { |
| 501 | vector<op_event const *> events; |
| 502 | |
| 503 | set<QListViewItem *>::const_iterator it; |
| 504 | for (it = selected_events.begin(); it != selected_events.end(); ++it) |
| 505 | events.push_back(find_event_by_name((*it)->text(0).latin1(),0,0)); |
| 506 | |
| 507 | size_t * map = |
| 508 | map_event_to_counter(&events[0], events.size(), cpu_type); |
| 509 | |
| 510 | if (!map) |
| 511 | return false; |
| 512 | |
| 513 | free(map); |
| 514 | return true; |
| 515 | } |
| 516 | |
| 517 | void oprof_start::event_selected() |
| 518 | { |
| 519 | // The deal is simple: QT lack of a way to know what item was the last |
| 520 | // (de)selected item so we record a set of selected items and diff |
| 521 | // it in the appropriate way with the previous list of selected items. |
| 522 | |
| 523 | set<QListViewItem *> current_selection; |
| 524 | QListViewItem * cur; |
| 525 | for (cur = events_list->firstChild(); cur; cur = cur->nextSibling()) { |
| 526 | if (cur->isSelected()) |
| 527 | current_selection.insert(cur); |
| 528 | } |
| 529 | |
| 530 | // First remove the deselected item. |
| 531 | vector<QListViewItem *> new_deselected; |
| 532 | set_difference(selected_events.begin(), selected_events.end(), |
| 533 | current_selection.begin(), current_selection.end(), |
| 534 | back_inserter(new_deselected)); |
| 535 | vector<QListViewItem *>::const_iterator it; |
| 536 | for (it = new_deselected.begin(); it != new_deselected.end(); ++it) |
| 537 | selected_events.erase(*it); |
| 538 | |
| 539 | // Now try to add the newly selected item if enough HW resource exists |
| 540 | vector<QListViewItem *> new_selected; |
| 541 | set_difference(current_selection.begin(), current_selection.end(), |
| 542 | selected_events.begin(), selected_events.end(), |
| 543 | back_inserter(new_selected)); |
| 544 | for (it = new_selected.begin(); it != new_selected.end(); ++it) { |
| 545 | selected_events.insert(*it); |
| 546 | if (!alloc_selected_events()) { |
| 547 | (*it)->setSelected(false); |
| 548 | selected_events.erase(*it); |
| 549 | } else { |
| 550 | current_event = *it; |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | draw_event_list(); |
| 555 | |
| 556 | if (current_event) |
| 557 | display_event(locate_event(current_event->text(0).latin1())); |
| 558 | } |
| 559 | |
| 560 | |
| 561 | void oprof_start::event_over(QListViewItem * item) |
| 562 | { |
| 563 | op_event_descr const & descr = locate_event(item->text(0).latin1()); |
| 564 | |
| 565 | string help_str = descr.help_str.c_str(); |
| 566 | if (!is_selectable_event(item)) { |
| 567 | help_str += " conflicts with:"; |
| 568 | |
| 569 | set<QListViewItem *>::const_iterator it; |
| 570 | for (it = selected_events.begin(); |
| 571 | it != selected_events.end(); ) { |
| 572 | QListViewItem * temp = *it; |
| 573 | selected_events.erase(it++); |
| 574 | if (is_selectable_event(item)) { |
| 575 | help_str += " "; |
| 576 | help_str += temp->text(0).latin1(); |
| 577 | } |
| 578 | selected_events.insert(temp); |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | event_help_label->setText(help_str.c_str()); |
| 583 | } |
| 584 | |
| 585 | |
| 586 | /// select the kernel image filename |
| 587 | void oprof_start::choose_kernel_filename() |
| 588 | { |
| 589 | string name = kernel_filename_edit->text().latin1(); |
| 590 | string result = do_open_file_or_dir(name, false); |
| 591 | |
| 592 | if (!result.empty()) |
| 593 | kernel_filename_edit->setText(result.c_str()); |
| 594 | } |
| 595 | |
| 596 | |
| 597 | // this record the current selected event setting in the event_cfg[] stuff. |
| 598 | // FIXME: need validation? |
| 599 | void oprof_start::record_selected_event_config() |
| 600 | { |
| 601 | if (!current_event) |
| 602 | return; |
| 603 | |
| 604 | string name(current_event->text(0).latin1()); |
| 605 | |
| 606 | event_setting & cfg = event_cfgs[name]; |
| 607 | op_event_descr const & curr = locate_event(name); |
| 608 | |
| 609 | cfg.count = event_count_edit->text().toUInt(); |
| 610 | cfg.os_ring_count = os_ring_count_cb->isChecked(); |
| 611 | cfg.user_ring_count = user_ring_count_cb->isChecked(); |
| 612 | cfg.umask = get_unit_mask(curr); |
| 613 | } |
| 614 | |
| 615 | |
| 616 | // validate and save the configuration (The qt validator installed |
| 617 | // are not sufficient to do the validation) |
| 618 | bool oprof_start::record_config() |
| 619 | { |
| 620 | config.kernel_filename = kernel_filename_edit->text().latin1(); |
| 621 | config.no_kernel = no_vmlinux->isChecked(); |
| 622 | |
| 623 | uint temp = buffer_size_edit->text().toUInt(); |
| 624 | if (temp < OP_MIN_BUF_SIZE || temp > OP_MAX_BUF_SIZE) { |
| 625 | ostringstream error; |
| 626 | |
| 627 | error << "buffer size out of range: " << temp |
| 628 | << " valid range is [" << OP_MIN_BUF_SIZE << ", " |
| 629 | << OP_MAX_BUF_SIZE << "]"; |
| 630 | |
| 631 | QMessageBox::warning(this, 0, error.str().c_str()); |
| 632 | |
| 633 | return false; |
| 634 | } |
| 635 | config.buffer_size = temp; |
| 636 | |
| 637 | temp = buffer_watershed_edit->text().toUInt(); |
| 638 | // watershed above half of buffer size make little sense. |
| 639 | if (temp > config.buffer_size / 2) { |
| 640 | ostringstream error; |
| 641 | |
| 642 | error << "buffer watershed out of range: " << temp |
| 643 | << " valid range is [0 (use default), buffer size/2] " |
| 644 | << "generally 0.25 * buffer size is fine"; |
| 645 | |
| 646 | QMessageBox::warning(this, 0, error.str().c_str()); |
| 647 | |
| 648 | return false; |
| 649 | } |
| 650 | config.buffer_watershed = temp; |
| 651 | |
| 652 | temp = cpu_buffer_size_edit->text().toUInt(); |
| 653 | if ((temp != 0 && temp < OP_MIN_CPU_BUF_SIZE) || |
| 654 | temp > OP_MAX_CPU_BUF_SIZE) { |
| 655 | ostringstream error; |
| 656 | |
| 657 | error << "cpu buffer size out of range: " << temp |
| 658 | << " valid range is [" << OP_MIN_CPU_BUF_SIZE << ", " |
| 659 | << OP_MAX_CPU_BUF_SIZE << "] (size = 0: use default)"; |
| 660 | |
| 661 | QMessageBox::warning(this, 0, error.str().c_str()); |
| 662 | |
| 663 | return false; |
| 664 | } |
| 665 | config.cpu_buffer_size = temp; |
| 666 | |
| 667 | temp = note_table_size_edit->text().toUInt(); |
| 668 | if (temp < OP_MIN_NOTE_TABLE_SIZE || temp > OP_MAX_NOTE_TABLE_SIZE) { |
| 669 | ostringstream error; |
| 670 | |
| 671 | error << "note table size out of range: " << temp |
| 672 | << " valid range is [" << OP_MIN_NOTE_TABLE_SIZE << ", " |
| 673 | << OP_MAX_NOTE_TABLE_SIZE << "]"; |
| 674 | |
| 675 | QMessageBox::warning(this, 0, error.str().c_str()); |
| 676 | |
| 677 | return false; |
| 678 | } |
| 679 | config.note_table_size = temp; |
| 680 | |
| 681 | temp = callgraph_depth_edit->text().toUInt(); |
| 682 | if (temp > INT_MAX) { |
| 683 | ostringstream error; |
| 684 | |
| 685 | error << "callgraph depth out of range: " << temp |
| 686 | << " valid range is [" << 0 << ", " |
| 687 | << INT_MAX << "]"; |
| 688 | |
| 689 | QMessageBox::warning(this, 0, error.str().c_str()); |
| 690 | |
| 691 | return false; |
| 692 | } |
| 693 | config.callgraph_depth = temp; |
| 694 | |
| 695 | config.verbose = verbose->isChecked(); |
| 696 | config.separate_lib = separate_lib_cb->isChecked(); |
| 697 | config.separate_kernel = separate_kernel_cb->isChecked(); |
| 698 | config.separate_cpu = separate_cpu_cb->isChecked(); |
| 699 | config.separate_thread = separate_thread_cb->isChecked(); |
| 700 | |
| 701 | return true; |
| 702 | } |
| 703 | |
| 704 | |
| 705 | void oprof_start::get_unit_mask_part(op_event_descr const & descr, uint num, |
| 706 | bool selected, uint & mask) |
| 707 | { |
| 708 | if (!selected) |
| 709 | return; |
| 710 | if (num >= descr.unit->num) |
| 711 | return; |
| 712 | |
| 713 | if (descr.unit->unit_type_mask == utm_bitmask) |
| 714 | mask |= descr.unit->um[num].value; |
| 715 | else |
| 716 | mask = descr.unit->um[num].value; |
| 717 | } |
| 718 | |
| 719 | |
| 720 | // return the unit mask selected through the unit mask check box |
| 721 | uint oprof_start::get_unit_mask(op_event_descr const & descr) |
| 722 | { |
| 723 | uint mask = 0; |
| 724 | |
| 725 | if (!descr.unit) |
| 726 | return 0; |
| 727 | |
| 728 | // mandatory mask is transparent for user. |
| 729 | if (descr.unit->unit_type_mask == utm_mandatory) { |
| 730 | mask = descr.unit->default_mask; |
| 731 | return mask; |
| 732 | } |
| 733 | |
| 734 | get_unit_mask_part(descr, 0, check0->isChecked(), mask); |
| 735 | get_unit_mask_part(descr, 1, check1->isChecked(), mask); |
| 736 | get_unit_mask_part(descr, 2, check2->isChecked(), mask); |
| 737 | get_unit_mask_part(descr, 3, check3->isChecked(), mask); |
| 738 | get_unit_mask_part(descr, 4, check4->isChecked(), mask); |
| 739 | get_unit_mask_part(descr, 5, check5->isChecked(), mask); |
| 740 | get_unit_mask_part(descr, 6, check6->isChecked(), mask); |
| 741 | get_unit_mask_part(descr, 7, check7->isChecked(), mask); |
| 742 | get_unit_mask_part(descr, 8, check8->isChecked(), mask); |
| 743 | get_unit_mask_part(descr, 9, check9->isChecked(), mask); |
| 744 | get_unit_mask_part(descr, 10, check10->isChecked(), mask); |
| 745 | get_unit_mask_part(descr, 11, check11->isChecked(), mask); |
| 746 | get_unit_mask_part(descr, 12, check12->isChecked(), mask); |
| 747 | get_unit_mask_part(descr, 13, check13->isChecked(), mask); |
| 748 | get_unit_mask_part(descr, 14, check14->isChecked(), mask); |
| 749 | get_unit_mask_part(descr, 15, check15->isChecked(), mask); |
| 750 | return mask; |
| 751 | } |
| 752 | |
| 753 | |
| 754 | void oprof_start::hide_masks() |
| 755 | { |
| 756 | check0->hide(); |
| 757 | check1->hide(); |
| 758 | check2->hide(); |
| 759 | check3->hide(); |
| 760 | check4->hide(); |
| 761 | check5->hide(); |
| 762 | check6->hide(); |
| 763 | check7->hide(); |
| 764 | check8->hide(); |
| 765 | check9->hide(); |
| 766 | check10->hide(); |
| 767 | check11->hide(); |
| 768 | check12->hide(); |
| 769 | check13->hide(); |
| 770 | check14->hide(); |
| 771 | check15->hide(); |
| 772 | } |
| 773 | |
| 774 | |
| 775 | void oprof_start::setup_unit_masks(op_event_descr const & descr) |
| 776 | { |
| 777 | op_unit_mask const * um = descr.unit; |
| 778 | |
| 779 | hide_masks(); |
| 780 | |
| 781 | if (!um || um->unit_type_mask == utm_mandatory) |
| 782 | return; |
| 783 | |
| 784 | event_setting & cfg = event_cfgs[descr.name]; |
| 785 | |
| 786 | unit_mask_group->setExclusive(um->unit_type_mask == utm_exclusive); |
| 787 | |
| 788 | for (size_t i = 0; i < um->num ; ++i) { |
| 789 | QCheckBox * check = 0; |
| 790 | switch (i) { |
| 791 | case 0: check = check0; break; |
| 792 | case 1: check = check1; break; |
| 793 | case 2: check = check2; break; |
| 794 | case 3: check = check3; break; |
| 795 | case 4: check = check4; break; |
| 796 | case 5: check = check5; break; |
| 797 | case 6: check = check6; break; |
| 798 | case 7: check = check7; break; |
| 799 | case 8: check = check8; break; |
| 800 | case 9: check = check9; break; |
| 801 | case 10: check = check10; break; |
| 802 | case 11: check = check11; break; |
| 803 | case 12: check = check12; break; |
| 804 | case 13: check = check13; break; |
| 805 | case 14: check = check14; break; |
| 806 | case 15: check = check15; break; |
| 807 | } |
| 808 | check->setText(um->um[i].desc); |
| 809 | if (um->unit_type_mask == utm_exclusive) |
| 810 | check->setChecked(cfg.umask == um->um[i].value); |
| 811 | else |
| 812 | check->setChecked(cfg.umask & um->um[i].value); |
| 813 | |
| 814 | check->show(); |
| 815 | } |
| 816 | unit_mask_group->setMinimumSize(unit_mask_group->sizeHint()); |
| 817 | setup_config_tab->setMinimumSize(setup_config_tab->sizeHint()); |
| 818 | } |
| 819 | |
| 820 | |
| 821 | uint oprof_start::max_perf_count() const |
| 822 | { |
| 823 | return cpu_type == CPU_RTC ? OP_MAX_RTC_COUNT : OP_MAX_PERF_COUNT; |
| 824 | } |
| 825 | |
| 826 | |
| 827 | void oprof_start::on_flush_profiler_data() |
| 828 | { |
| 829 | vector<string> args; |
| 830 | args.push_back("--dump"); |
| 831 | |
| 832 | if (daemon_status().running) |
| 833 | do_exec_command(OP_BINDIR "/opcontrol", args); |
| 834 | else |
| 835 | QMessageBox::warning(this, 0, "The profiler is not started."); |
| 836 | } |
| 837 | |
| 838 | |
| 839 | // user is happy of its setting. |
| 840 | void oprof_start::on_start_profiler() |
| 841 | { |
| 842 | // save the current settings |
| 843 | record_selected_event_config(); |
| 844 | |
| 845 | bool one_enable = false; |
| 846 | |
| 847 | QListViewItem * cur; |
| 848 | for (cur = events_list->firstChild(); cur; cur = cur->nextSibling()) { |
| 849 | if (!cur->isSelected()) |
| 850 | continue; |
| 851 | |
| 852 | // the missing reference is intended: gcc 2.91.66 can compile |
| 853 | // "op_event_descr const & descr = ..." w/o a warning |
| 854 | op_event_descr const descr = |
| 855 | locate_event(cur->text(0).latin1()); |
| 856 | |
| 857 | event_setting & cfg = event_cfgs[cur->text(0).latin1()]; |
| 858 | |
| 859 | one_enable = true; |
| 860 | |
| 861 | if (!cfg.os_ring_count && !cfg.user_ring_count) { |
| 862 | QMessageBox::warning(this, 0, "You must select to " |
| 863 | "profile at least one of user binaries/kernel"); |
| 864 | return; |
| 865 | } |
| 866 | |
| 867 | if (cfg.count < descr.min_count || |
| 868 | cfg.count > max_perf_count()) { |
| 869 | ostringstream out; |
| 870 | |
| 871 | out << "event " << descr.name << " count of range: " |
| 872 | << cfg.count << " must be in [ " |
| 873 | << descr.min_count << ", " |
| 874 | << max_perf_count() |
| 875 | << "]"; |
| 876 | |
| 877 | QMessageBox::warning(this, 0, out.str().c_str()); |
| 878 | return; |
| 879 | } |
| 880 | |
| 881 | if (descr.unit && |
| 882 | descr.unit->unit_type_mask == utm_bitmask && |
| 883 | cfg.umask == 0) { |
| 884 | ostringstream out; |
| 885 | |
| 886 | out << "event " << descr.name << " invalid unit mask: " |
| 887 | << cfg.umask << endl; |
| 888 | |
| 889 | QMessageBox::warning(this, 0, out.str().c_str()); |
| 890 | return; |
| 891 | } |
| 892 | } |
| 893 | |
| 894 | if (one_enable == false && cpu_type != CPU_TIMER_INT) { |
| 895 | QMessageBox::warning(this, 0, "No counters enabled.\n"); |
| 896 | return; |
| 897 | } |
| 898 | |
| 899 | if (daemon_status().running) { |
| 900 | // gcc 2.91 work around |
| 901 | int user_choice = 0; |
| 902 | user_choice = |
| 903 | QMessageBox::warning(this, 0, |
| 904 | "Profiler already started:\n\n" |
| 905 | "stop and restart it?", |
| 906 | "&Restart", "&Cancel", 0, 0, 1); |
| 907 | |
| 908 | if (user_choice == 1) |
| 909 | return; |
| 910 | |
| 911 | // this flush profiler data also. |
| 912 | on_stop_profiler(); |
| 913 | } |
| 914 | |
| 915 | vector<string> args; |
| 916 | |
| 917 | // save_config validate and setup the config |
| 918 | if (save_config()) { |
| 919 | // now actually start |
| 920 | args.push_back("--start"); |
| 921 | if (config.verbose) |
| 922 | args.push_back("--verbose"); |
| 923 | do_exec_command(OP_BINDIR "/opcontrol", args); |
| 924 | } |
| 925 | |
| 926 | total_nr_interrupts = 0; |
| 927 | timerEvent(0); |
| 928 | } |
| 929 | |
| 930 | |
| 931 | bool oprof_start::save_config() |
| 932 | { |
| 933 | if (!record_config()) |
| 934 | return false; |
| 935 | |
| 936 | vector<string> args; |
| 937 | |
| 938 | // saving config is done by running opcontrol --setup with appropriate |
| 939 | // setted parameters so we use the same config file as command line |
| 940 | // tools |
| 941 | |
| 942 | args.push_back("--setup"); |
| 943 | |
| 944 | bool one_enabled = false; |
| 945 | |
| 946 | vector<string> tmpargs; |
| 947 | tmpargs.push_back("--setup"); |
| 948 | |
| 949 | QListViewItem * cur; |
| 950 | for (cur = events_list->firstChild(); cur; cur = cur->nextSibling()) { |
| 951 | if (!cur->isSelected()) |
| 952 | continue; |
| 953 | |
| 954 | event_setting & cfg = event_cfgs[cur->text(0).latin1()]; |
| 955 | |
| 956 | op_event_descr const & descr = |
| 957 | locate_event(cur->text(0).latin1()); |
| 958 | |
| 959 | one_enabled = true; |
| 960 | |
| 961 | string arg = "--event=" + descr.name; |
| 962 | arg += ":" + op_lexical_cast<string>(cfg.count); |
| 963 | arg += ":" + op_lexical_cast<string>(cfg.umask); |
| 964 | arg += ":" + op_lexical_cast<string>(cfg.os_ring_count); |
| 965 | arg += ":" + op_lexical_cast<string>(cfg.user_ring_count); |
| 966 | |
| 967 | tmpargs.push_back(arg); |
| 968 | } |
| 969 | |
| 970 | // only set counters if at least one is enabled |
| 971 | if (one_enabled) |
| 972 | args = tmpargs; |
| 973 | |
| 974 | if (config.no_kernel) { |
| 975 | args.push_back("--no-vmlinux"); |
| 976 | } else { |
| 977 | args.push_back("--vmlinux=" + config.kernel_filename); |
| 978 | } |
| 979 | |
| 980 | args.push_back("--buffer-size=" + |
| 981 | op_lexical_cast<string>(config.buffer_size)); |
| 982 | |
| 983 | if (op_get_interface() == OP_INTERFACE_24) { |
| 984 | args.push_back("--note-table-size=" + |
| 985 | op_lexical_cast<string>(config.note_table_size)); |
| 986 | } else { |
| 987 | args.push_back("--buffer-watershed=" + |
| 988 | op_lexical_cast<string>(config.buffer_watershed)); |
| 989 | args.push_back("--cpu-buffer-size=" + |
| 990 | op_lexical_cast<string>(config.cpu_buffer_size)); |
| 991 | if (op_file_readable("/dev/oprofile/backtrace_depth")) { |
| 992 | args.push_back("--callgraph=" + |
| 993 | op_lexical_cast<string>(config.callgraph_depth)); |
| 994 | } |
| 995 | } |
| 996 | |
| 997 | string sep = "--separate="; |
| 998 | |
| 999 | if (config.separate_lib) |
| 1000 | sep += "library,"; |
| 1001 | if (config.separate_kernel) |
| 1002 | sep += "kernel,"; |
| 1003 | if (config.separate_cpu) |
| 1004 | sep += "cpu,"; |
| 1005 | if (config.separate_thread) |
| 1006 | sep += "thread,"; |
| 1007 | |
| 1008 | if (sep == "--separate=") |
| 1009 | sep += "none"; |
| 1010 | args.push_back(sep); |
| 1011 | |
| 1012 | // 2.95 work-around, it didn't like return !do_exec_command() |
| 1013 | bool ret = !do_exec_command(OP_BINDIR "/opcontrol", args); |
| 1014 | return ret; |
| 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | // flush and stop the profiler if it was started. |
| 1019 | void oprof_start::on_stop_profiler() |
| 1020 | { |
| 1021 | vector<string> args; |
| 1022 | args.push_back("--shutdown"); |
| 1023 | |
| 1024 | if (daemon_status().running) |
| 1025 | do_exec_command(OP_BINDIR "/opcontrol", args); |
| 1026 | else |
| 1027 | QMessageBox::warning(this, 0, "The profiler is already stopped."); |
| 1028 | |
| 1029 | timerEvent(0); |
| 1030 | } |
| 1031 | |
| 1032 | |
| 1033 | void oprof_start::on_separate_kernel_cb_changed(int state) |
| 1034 | { |
| 1035 | if (state == 2) |
| 1036 | separate_lib_cb->setChecked(true); |
| 1037 | } |
| 1038 | |
| 1039 | void oprof_start::on_reset_sample_files() |
| 1040 | { |
| 1041 | int ret = QMessageBox::warning(this, 0, "Are you sure you want to " |
| 1042 | "reset your last profile session ?", "Yes", "No", 0, 0, 1); |
| 1043 | if (!ret) { |
| 1044 | vector<string> args; |
| 1045 | args.push_back("--reset"); |
| 1046 | if (!do_exec_command(OP_BINDIR "/opcontrol", args)) |
| 1047 | // the next timer event will overwrite the message |
| 1048 | daemon_label->setText("Last profile session reseted."); |
| 1049 | else |
| 1050 | QMessageBox::warning(this, 0, |
| 1051 | "Can't reset profiling session."); |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | |
| 1056 | /// function object for matching against name |
| 1057 | class event_name_eq { |
| 1058 | string name_; |
| 1059 | public: |
| 1060 | explicit event_name_eq(string const & s) : name_(s) {} |
| 1061 | bool operator()(op_event_descr const & d) const { |
| 1062 | return d.name == name_; |
| 1063 | } |
| 1064 | }; |
| 1065 | |
| 1066 | |
| 1067 | // helper to retrieve an event descr through its name. |
| 1068 | op_event_descr const & oprof_start::locate_event(string const & name) const |
| 1069 | { |
| 1070 | return *(find_if(v_events.begin(), v_events.end(), event_name_eq(name))); |
| 1071 | } |