| 1 | /* |
| 2 | * Copyright (C) 2011 Julien Desfossez |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <signal.h> |
| 22 | #include <string.h> |
| 23 | #include <ncurses.h> |
| 24 | #include <panel.h> |
| 25 | #include <pthread.h> |
| 26 | #include <semaphore.h> |
| 27 | |
| 28 | #include "cursesdisplay.h" |
| 29 | #include "lttngtoptypes.h" |
| 30 | #include "common.h" |
| 31 | |
| 32 | #define DEFAULT_DELAY 15 |
| 33 | #define MAX_LINE_LENGTH 50 |
| 34 | #define MAX_LOG_LINES 4 |
| 35 | |
| 36 | /* to prevent concurrent updates of the different windows */ |
| 37 | sem_t update_display_sem; |
| 38 | |
| 39 | char *termtype; |
| 40 | WINDOW *footer, *header, *center, *status; |
| 41 | WINDOW *perf_panel_window = NULL; |
| 42 | PANEL *perf_panel, *main_panel; |
| 43 | |
| 44 | int perf_panel_visible = 0; |
| 45 | int perf_line_selected = 0; |
| 46 | |
| 47 | int last_display_index, currently_displayed_index; |
| 48 | |
| 49 | struct processtop *selected_process = NULL; |
| 50 | int selected_tid; |
| 51 | char *selected_comm; |
| 52 | int selected_ret; |
| 53 | |
| 54 | int selected_line = 0; /* select bar position */ |
| 55 | int selected_in_list = 0; /* selection relative to the whole list */ |
| 56 | int list_offset = 0; /* first index in the list to display (scroll) */ |
| 57 | int nb_log_lines = 0; |
| 58 | char log_lines[MAX_LINE_LENGTH * MAX_LOG_LINES + MAX_LOG_LINES]; |
| 59 | |
| 60 | int max_elements = 80; |
| 61 | |
| 62 | int toggle_threads = -1; |
| 63 | int toggle_pause = -1; |
| 64 | int toggle_tree = -1; |
| 65 | |
| 66 | int max_center_lines; |
| 67 | |
| 68 | pthread_t keyboard_thread; |
| 69 | |
| 70 | void reset_ncurses() |
| 71 | { |
| 72 | curs_set(1); |
| 73 | endwin(); |
| 74 | exit(0); |
| 75 | } |
| 76 | |
| 77 | static void handle_sigterm(int signal) |
| 78 | { |
| 79 | reset_ncurses(); |
| 80 | } |
| 81 | |
| 82 | void init_screen() |
| 83 | { |
| 84 | initscr(); |
| 85 | noecho(); |
| 86 | halfdelay(DEFAULT_DELAY); |
| 87 | nonl(); |
| 88 | intrflush(stdscr, false); |
| 89 | keypad(stdscr, true); |
| 90 | curs_set(0); |
| 91 | |
| 92 | if (has_colors()) { |
| 93 | start_color(); |
| 94 | init_pair(1, COLOR_RED, COLOR_BLACK); /* - */ |
| 95 | init_pair(2, COLOR_GREEN, COLOR_BLACK); /* + */ |
| 96 | init_pair(3, COLOR_BLACK, COLOR_WHITE); /* keys */ |
| 97 | init_pair(4, COLOR_WHITE, COLOR_GREEN); /* keys activated */ |
| 98 | init_pair(5, COLOR_WHITE, COLOR_BLUE); /* select line */ |
| 99 | } |
| 100 | termtype = getenv("TERM"); |
| 101 | if (!strcmp(termtype, "xterm") || !strcmp(termtype, "xterm-color") || |
| 102 | !strcmp(termtype, "vt220")) { |
| 103 | define_key("\033[H", KEY_HOME); |
| 104 | define_key("\033[F", KEY_END); |
| 105 | define_key("\033OP", KEY_F(1)); |
| 106 | define_key("\033OQ", KEY_F(2)); |
| 107 | define_key("\033OR", KEY_F(3)); |
| 108 | define_key("\033OS", KEY_F(4)); |
| 109 | define_key("\0330U", KEY_F(6)); |
| 110 | define_key("\033[11~", KEY_F(1)); |
| 111 | define_key("\033[12~", KEY_F(2)); |
| 112 | define_key("\033[13~", KEY_F(3)); |
| 113 | define_key("\033[14~", KEY_F(4)); |
| 114 | define_key("\033[16~", KEY_F(6)); |
| 115 | define_key("\033[17;2~", KEY_F(18)); |
| 116 | } |
| 117 | signal(SIGTERM, handle_sigterm); |
| 118 | mousemask(BUTTON1_CLICKED, NULL); |
| 119 | refresh(); |
| 120 | } |
| 121 | |
| 122 | WINDOW *create_window(int height, int width, int startx, int starty) |
| 123 | { |
| 124 | WINDOW *win; |
| 125 | win = newwin(height, width, startx, starty); |
| 126 | box(win, 0 , 0); |
| 127 | wrefresh(win); |
| 128 | return win; |
| 129 | } |
| 130 | |
| 131 | WINDOW *create_window_no_border(int height, int width, int startx, int starty) |
| 132 | { |
| 133 | WINDOW *win; |
| 134 | win = newwin(height, width, startx, starty); |
| 135 | wrefresh(win); |
| 136 | return win; |
| 137 | } |
| 138 | |
| 139 | void print_digit(WINDOW *win, int digit) |
| 140 | { |
| 141 | if (digit < 0) { |
| 142 | wattron(win, COLOR_PAIR(1)); |
| 143 | wprintw(win, "%d", digit); |
| 144 | wattroff(win, COLOR_PAIR(1)); |
| 145 | } else if (digit > 0) { |
| 146 | wattron(win, COLOR_PAIR(2)); |
| 147 | wprintw(win, "+%d", digit); |
| 148 | wattroff(win, COLOR_PAIR(2)); |
| 149 | } else { |
| 150 | wprintw(win, "0"); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | void print_digits(WINDOW *win, int first, int second) |
| 155 | { |
| 156 | wprintw(win, "("); |
| 157 | print_digit(win, first); |
| 158 | wprintw(win, ", "); |
| 159 | print_digit(win, second); |
| 160 | wprintw(win, ")"); |
| 161 | } |
| 162 | |
| 163 | void print_headers(int line, char *desc, int value, int first, int second) |
| 164 | { |
| 165 | wattron(header, A_BOLD); |
| 166 | mvwprintw(header, line, 4, "%s", desc); |
| 167 | wattroff(header, A_BOLD); |
| 168 | mvwprintw(header, line, 16, "N/A", value); |
| 169 | wmove(header, line, 24); |
| 170 | print_digits(header, first, second); |
| 171 | wmove(header, line, 40); |
| 172 | } |
| 173 | |
| 174 | void set_window_title(WINDOW *win, char *title) |
| 175 | { |
| 176 | wattron(win, A_BOLD); |
| 177 | mvwprintw(win, 0, 1, title); |
| 178 | wattroff(win, A_BOLD); |
| 179 | } |
| 180 | |
| 181 | void print_log(char *str) |
| 182 | { |
| 183 | int i; |
| 184 | int current_line = 1; |
| 185 | int current_char = 1; |
| 186 | char *tmp, *tmp2; |
| 187 | /* rotate the line buffer */ |
| 188 | if (nb_log_lines >= MAX_LOG_LINES) { |
| 189 | tmp = strndup(log_lines, MAX_LINE_LENGTH * MAX_LOG_LINES + MAX_LOG_LINES); |
| 190 | tmp2 = strchr(tmp, '\n'); |
| 191 | memset(log_lines, '\0', strlen(log_lines)); |
| 192 | strncat(log_lines, tmp2 + 1, strlen(tmp2) - 1); |
| 193 | log_lines[strlen(log_lines)] = '\n'; |
| 194 | log_lines[strlen(log_lines)] = '\0'; |
| 195 | free(tmp); |
| 196 | } |
| 197 | nb_log_lines++; |
| 198 | |
| 199 | strncat(log_lines, str, MAX_LINE_LENGTH - 1); |
| 200 | |
| 201 | if (nb_log_lines < MAX_LOG_LINES) |
| 202 | log_lines[strlen(log_lines)] = '\n'; |
| 203 | log_lines[strlen(log_lines)] = '\0'; |
| 204 | |
| 205 | werase(status); |
| 206 | box(status, 0 , 0); |
| 207 | set_window_title(status, "Status"); |
| 208 | for (i = 0; i < strlen(log_lines); i++) { |
| 209 | if (log_lines[i] == '\n') { |
| 210 | wmove(status, ++current_line, 1); |
| 211 | current_char = 1; |
| 212 | } else { |
| 213 | mvwprintw(status, current_line, current_char++, "%c", log_lines[i]); |
| 214 | } |
| 215 | } |
| 216 | wrefresh(status); |
| 217 | } |
| 218 | |
| 219 | void print_key(WINDOW *win, char *key, char *desc, int toggle) |
| 220 | { |
| 221 | int pair; |
| 222 | if (toggle > 0) |
| 223 | pair = 4; |
| 224 | else |
| 225 | pair = 3; |
| 226 | wattron(win, COLOR_PAIR(pair)); |
| 227 | wprintw(footer, "%s", key); |
| 228 | wattroff(win, COLOR_PAIR(pair)); |
| 229 | wprintw(footer, ":%s", desc); |
| 230 | } |
| 231 | |
| 232 | void update_footer() |
| 233 | { |
| 234 | sem_wait(&update_display_sem); |
| 235 | werase(footer); |
| 236 | wmove(footer, 1, 1); |
| 237 | print_key(footer, "F2", "CPUtop ", current_view == cpu); |
| 238 | print_key(footer, "F3", "PerfTop ", current_view == perf); |
| 239 | print_key(footer, "F6", "IOTop ", current_view == iostream); |
| 240 | print_key(footer, "Enter", "Details ", current_view == process_details); |
| 241 | print_key(footer, "q", "Quit | ", 0); |
| 242 | print_key(footer, "P", "Perf Pref ", 0); |
| 243 | print_key(footer, "p", "Pause ", toggle_pause); |
| 244 | |
| 245 | wrefresh(footer); |
| 246 | sem_post(&update_display_sem); |
| 247 | } |
| 248 | |
| 249 | void basic_header() |
| 250 | { |
| 251 | werase(header); |
| 252 | box(header, 0 , 0); |
| 253 | set_window_title(header, "Statistics for interval [gathering data...["); |
| 254 | wattron(header, A_BOLD); |
| 255 | mvwprintw(header, 1, 4, "CPUs"); |
| 256 | mvwprintw(header, 2, 4, "Processes"); |
| 257 | mvwprintw(header, 3, 4, "Threads"); |
| 258 | mvwprintw(header, 4, 4, "Files"); |
| 259 | mvwprintw(header, 5, 4, "Network"); |
| 260 | mvwprintw(header, 6, 4, "IO"); |
| 261 | wattroff(header, A_BOLD); |
| 262 | wrefresh(header); |
| 263 | } |
| 264 | |
| 265 | void update_header() |
| 266 | { |
| 267 | werase(header); |
| 268 | box(header, 0 , 0); |
| 269 | set_window_title(header, "Statistics for interval "); |
| 270 | wattron(header, A_BOLD); |
| 271 | /* |
| 272 | wprintw(header, "[%lu.%lu, %lu.%lu[", |
| 273 | data->start.tv_sec, data->start.tv_nsec, |
| 274 | data->end.tv_sec, data->end.tv_nsec); |
| 275 | */ |
| 276 | wprintw(header, "[%lu, %lu[", |
| 277 | data->start, |
| 278 | data->end); |
| 279 | mvwprintw(header, 1, 4, "CPUs"); |
| 280 | wattroff(header, A_BOLD); |
| 281 | wprintw(header, "\t%d\t(max/cpu : %0.2f%)", data->cpu_table->len, |
| 282 | 100.0/data->cpu_table->len); |
| 283 | print_headers(2, "Processes", data->nbproc, data->nbnewproc, |
| 284 | -1*(data->nbdeadproc)); |
| 285 | print_headers(3, "Threads", data->nbthreads, data->nbnewthreads, |
| 286 | -1*(data->nbdeadthreads)); |
| 287 | print_headers(4, "Files", data->nbfiles, data->nbnewfiles, |
| 288 | -1*(data->nbclosedfiles)); |
| 289 | mvwprintw(header, 4, 43, "N/A kbytes/sec"); |
| 290 | print_headers(5, "Network", 114, 0, 0); |
| 291 | mvwprintw(header, 5, 43, "N/A Mbytes/sec"); |
| 292 | wrefresh(header); |
| 293 | } |
| 294 | |
| 295 | gint sort_by_cpu_desc(gconstpointer p1, gconstpointer p2) |
| 296 | { |
| 297 | struct processtop *n1 = *(struct processtop **)p1; |
| 298 | struct processtop *n2 = *(struct processtop **)p2; |
| 299 | unsigned long totaln1 = n1->totalcpunsec; |
| 300 | unsigned long totaln2 = n2->totalcpunsec; |
| 301 | |
| 302 | if (totaln1 < totaln2) |
| 303 | return 1; |
| 304 | if (totaln1 == totaln2) |
| 305 | return 0; |
| 306 | return -1; |
| 307 | } |
| 308 | |
| 309 | gint sort_by_cpu_group_by_threads_desc(gconstpointer p1, gconstpointer p2) |
| 310 | { |
| 311 | struct processtop *n1 = *(struct processtop **)p1; |
| 312 | struct processtop *n2 = *(struct processtop **)p2; |
| 313 | unsigned long totaln1 = n1->threadstotalcpunsec; |
| 314 | unsigned long totaln2 = n2->threadstotalcpunsec; |
| 315 | |
| 316 | if (totaln1 < totaln2) |
| 317 | return 1; |
| 318 | if (totaln1 == totaln2) |
| 319 | return 0; |
| 320 | return -1; |
| 321 | } |
| 322 | |
| 323 | void update_cputop_display() |
| 324 | { |
| 325 | int i; |
| 326 | int header_offset = 2; |
| 327 | struct processtop *tmp; |
| 328 | unsigned long elapsed; |
| 329 | double maxcputime; |
| 330 | int nblinedisplayed = 0; |
| 331 | int current_line = 0; |
| 332 | |
| 333 | elapsed = data->end - data->start; |
| 334 | maxcputime = elapsed * data->cpu_table->len / 100.0; |
| 335 | |
| 336 | g_ptr_array_sort(data->process_table, sort_by_cpu_desc); |
| 337 | |
| 338 | set_window_title(center, "CPU Top"); |
| 339 | wattron(center, A_BOLD); |
| 340 | mvwprintw(center, 1, 1, "CPU(%)"); |
| 341 | mvwprintw(center, 1, 12, "TGID"); |
| 342 | mvwprintw(center, 1, 22, "PID"); |
| 343 | mvwprintw(center, 1, 32, "NAME"); |
| 344 | wattroff(center, A_BOLD); |
| 345 | |
| 346 | max_center_lines = LINES - 7 - 7 - 1 - header_offset; |
| 347 | |
| 348 | /* iterate the process (thread) list */ |
| 349 | for (i = list_offset; i < data->process_table->len && |
| 350 | nblinedisplayed < max_center_lines; i++) { |
| 351 | tmp = g_ptr_array_index(data->process_table, i); |
| 352 | |
| 353 | if (current_line == selected_line) { |
| 354 | selected_process = tmp; |
| 355 | selected_tid = tmp->tid; |
| 356 | selected_comm = tmp->comm; |
| 357 | wattron(center, COLOR_PAIR(5)); |
| 358 | mvwhline(center, current_line + header_offset, 1, ' ', COLS-3); |
| 359 | } |
| 360 | /* CPU(%) */ |
| 361 | mvwprintw(center, current_line + header_offset, 1, "%1.2f", |
| 362 | tmp->totalcpunsec / maxcputime); |
| 363 | /* TGID */ |
| 364 | mvwprintw(center, current_line + header_offset, 12, "%d", tmp->pid); |
| 365 | /* PID */ |
| 366 | mvwprintw(center, current_line + header_offset, 22, "%d", tmp->tid); |
| 367 | /* NAME */ |
| 368 | mvwprintw(center, current_line + header_offset, 32, "%s", tmp->comm); |
| 369 | wattroff(center, COLOR_PAIR(5)); |
| 370 | nblinedisplayed++; |
| 371 | current_line++; |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | gint sort_perf(gconstpointer p1, gconstpointer p2, gpointer key) |
| 376 | { |
| 377 | struct processtop *n1 = *(struct processtop **) p1; |
| 378 | struct processtop *n2 = *(struct processtop **) p2; |
| 379 | |
| 380 | struct perfcounter *tmp1, *tmp2; |
| 381 | unsigned long totaln2 = 0; |
| 382 | unsigned long totaln1 = 0; |
| 383 | |
| 384 | if (!key) |
| 385 | return 0; |
| 386 | |
| 387 | tmp1 = g_hash_table_lookup(n1->perf, key); |
| 388 | if (!tmp1) |
| 389 | totaln1 = 0; |
| 390 | else |
| 391 | totaln1 = tmp1->count; |
| 392 | |
| 393 | tmp2 = g_hash_table_lookup(n2->perf, key); |
| 394 | if (!tmp2) |
| 395 | totaln2 = 0; |
| 396 | else |
| 397 | totaln2 = tmp2->count; |
| 398 | |
| 399 | if (totaln1 < totaln2) |
| 400 | return 1; |
| 401 | if (totaln1 == totaln2) { |
| 402 | totaln1 = n1->tid; |
| 403 | totaln2 = n2->tid; |
| 404 | if (totaln1 < totaln2) |
| 405 | return 1; |
| 406 | return -1; |
| 407 | } |
| 408 | return -1; |
| 409 | } |
| 410 | |
| 411 | void print_key_title(char *key, int line) |
| 412 | { |
| 413 | wattron(center, A_BOLD); |
| 414 | mvwprintw(center, line, 1, "%s\t", key); |
| 415 | wattroff(center, A_BOLD); |
| 416 | } |
| 417 | |
| 418 | void update_process_details() |
| 419 | { |
| 420 | unsigned long elapsed; |
| 421 | double maxcputime; |
| 422 | struct processtop *tmp = find_process_tid(data, selected_tid, selected_comm); |
| 423 | |
| 424 | set_window_title(center, "Process details"); |
| 425 | |
| 426 | |
| 427 | elapsed = data->end - data->start; |
| 428 | maxcputime = elapsed * data->cpu_table->len / 100.0; |
| 429 | |
| 430 | print_key_title("Name", 1); |
| 431 | wprintw(center, "%s", selected_comm); |
| 432 | print_key_title("TID", 2); |
| 433 | wprintw(center, "%d", selected_tid); |
| 434 | if (!tmp) { |
| 435 | print_key_title("Does not exit at this time", 3); |
| 436 | return; |
| 437 | } |
| 438 | |
| 439 | print_key_title("PID", 3); |
| 440 | wprintw(center, "%d", tmp->pid); |
| 441 | print_key_title("PPID", 4); |
| 442 | wprintw(center, "%d", tmp->ppid); |
| 443 | print_key_title("CPU", 5); |
| 444 | wprintw(center, "%1.2f %%", tmp->totalcpunsec/maxcputime); |
| 445 | } |
| 446 | |
| 447 | void update_perf() |
| 448 | { |
| 449 | int i, j; |
| 450 | int nblinedisplayed = 0; |
| 451 | int current_line = 0; |
| 452 | struct processtop *tmp; |
| 453 | int header_offset = 2; |
| 454 | int perf_row = 40; |
| 455 | struct perfcounter *perfn1, *perfn2; |
| 456 | GList *perflist; |
| 457 | char *perf_key = NULL; |
| 458 | int value; |
| 459 | |
| 460 | set_window_title(center, "Perf Top"); |
| 461 | wattron(center, A_BOLD); |
| 462 | mvwprintw(center, 1, 1, "PID"); |
| 463 | mvwprintw(center, 1, 11, "TID"); |
| 464 | mvwprintw(center, 1, 22, "NAME"); |
| 465 | |
| 466 | perf_row = 40; |
| 467 | perflist = g_list_first(g_hash_table_get_keys(data->perf_list)); |
| 468 | while (perflist) { |
| 469 | perfn1 = g_hash_table_lookup(data->perf_list, perflist->data); |
| 470 | /* + 6 to strip the "_perf_" prefix */ |
| 471 | if (perfn1->visible) { |
| 472 | mvwprintw(center, 1, perf_row, "%s", |
| 473 | (char *) perflist->data + 6); |
| 474 | perf_row += 20; |
| 475 | } |
| 476 | if (perfn1->sort) { |
| 477 | perf_key = (char *) perflist->data; |
| 478 | } |
| 479 | perflist = g_list_next(perflist); |
| 480 | } |
| 481 | wattroff(center, A_BOLD); |
| 482 | |
| 483 | g_ptr_array_sort_with_data(data->process_table, sort_perf, perf_key); |
| 484 | for (i = 0; i < data->process_table->len && |
| 485 | nblinedisplayed < max_center_lines; i++) { |
| 486 | GList *perf_keys; |
| 487 | tmp = g_ptr_array_index(data->process_table, i); |
| 488 | |
| 489 | if (current_line == selected_line) { |
| 490 | selected_process = tmp; |
| 491 | wattron(center, COLOR_PAIR(5)); |
| 492 | mvwhline(center, current_line + header_offset, 1, ' ', COLS-3); |
| 493 | } |
| 494 | |
| 495 | mvwprintw(center, current_line + header_offset, 1, "%d", tmp->pid); |
| 496 | mvwprintw(center, current_line + header_offset, 11, "%d", tmp->tid); |
| 497 | mvwprintw(center, current_line + header_offset, 22, "%s", tmp->comm); |
| 498 | |
| 499 | /* FIXME : sometimes there is a segfault here, I have no idea why :-( */ |
| 500 | perf_keys = g_hash_table_get_keys(data->perf_list); |
| 501 | if (perf_keys) |
| 502 | perflist = g_list_first(perf_keys); |
| 503 | else |
| 504 | perflist = NULL; |
| 505 | |
| 506 | perf_row = 40; |
| 507 | j = 0; |
| 508 | while (perflist) { |
| 509 | j++; |
| 510 | perfn1 = g_hash_table_lookup(data->perf_list, perflist->data); |
| 511 | if (!perfn1) { |
| 512 | perflist = g_list_next(perflist); |
| 513 | continue; |
| 514 | } |
| 515 | if (perfn1->visible) { |
| 516 | perfn2 = g_hash_table_lookup(tmp->perf, perflist->data); |
| 517 | if (perfn2) |
| 518 | value = perfn2->count; |
| 519 | else |
| 520 | value = 0; |
| 521 | mvwprintw(center, current_line + header_offset, perf_row, "%d", value); |
| 522 | perf_row += 20; |
| 523 | } |
| 524 | perflist = g_list_next(perflist); |
| 525 | } |
| 526 | |
| 527 | wattroff(center, COLOR_PAIR(5)); |
| 528 | nblinedisplayed++; |
| 529 | current_line++; |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | void update_fileio() |
| 534 | { |
| 535 | int i; |
| 536 | int offset; |
| 537 | |
| 538 | set_window_title(center, "IO Top"); |
| 539 | wattron(center, A_BOLD); |
| 540 | mvwprintw(center, 1, 10, "READ"); |
| 541 | mvwprintw(center, 2, 1, "bytes"); |
| 542 | mvwprintw(center, 2, 15, "bytes/sec"); |
| 543 | |
| 544 | mvwprintw(center, 1, 39, "WRITE"); |
| 545 | mvwprintw(center, 2, 33, "bytes"); |
| 546 | mvwprintw(center, 2, 45, "bytes/sec"); |
| 547 | |
| 548 | if (toggle_threads > 0) { |
| 549 | mvwprintw(center, 1, 60, "TGID"); |
| 550 | mvwprintw(center, 1, 70, "PID"); |
| 551 | offset = 8; |
| 552 | } else { |
| 553 | mvwprintw(center, 1, 60, "PID(TGID)"); |
| 554 | offset = 0; |
| 555 | } |
| 556 | mvwprintw(center, 1, 72 + offset, "NAME"); |
| 557 | wattroff(center, A_BOLD); |
| 558 | |
| 559 | for (i = 3; i < LINES - 3 - 8 - 1; i++) { |
| 560 | mvwprintw(center, i, 1, "%d", i*1000); |
| 561 | mvwprintw(center, i, 15, "%dk", i); |
| 562 | mvwprintw(center, i, 28, "| %d", i*2000); |
| 563 | mvwprintw(center, i, 45, "%dk", i*2); |
| 564 | if (toggle_threads > 0) { |
| 565 | mvwprintw(center, i, 57, "| %d", i); |
| 566 | mvwprintw(center, i, 70, "%d", i); |
| 567 | } else { |
| 568 | mvwprintw(center, i, 57, "| %d", i); |
| 569 | } |
| 570 | mvwprintw(center, i, 72 + offset, "process_%d", i); |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | gint sort_by_ret_desc(gconstpointer p1, gconstpointer p2) |
| 575 | { |
| 576 | struct processtop *n1 = *(struct processtop **)p1; |
| 577 | struct processtop *n2 = *(struct processtop **)p2; |
| 578 | unsigned long totaln1 = n1->iostream->ret_total; |
| 579 | unsigned long totaln2 = n2->iostream->ret_total; |
| 580 | |
| 581 | if (totaln1 < totaln2) |
| 582 | return 1; |
| 583 | if (totaln1 == totaln2) |
| 584 | return 0; |
| 585 | return -1; |
| 586 | } |
| 587 | |
| 588 | void update_iostream() |
| 589 | { |
| 590 | int i; |
| 591 | int header_offset = 2; |
| 592 | struct processtop *tmp; |
| 593 | int nblinedisplayed = 0; |
| 594 | int current_line = 0; |
| 595 | |
| 596 | set_window_title(center, "IO Top"); |
| 597 | wattron(center, A_BOLD); |
| 598 | mvwprintw(center, 1, 1, "READ (B/s)"); |
| 599 | mvwprintw(center, 1, 20, "WRITE (B/s)"); |
| 600 | |
| 601 | mvwprintw(center, 1, 40, "TOTAL STREAM"); |
| 602 | |
| 603 | mvwprintw(center, 1, 60, "TGID"); |
| 604 | mvwprintw(center, 1, 80, "PID"); |
| 605 | |
| 606 | mvwprintw(center, 1, 92, "NAME"); |
| 607 | wattroff(center, A_BOLD); |
| 608 | |
| 609 | g_ptr_array_sort(data->process_table, sort_by_ret_desc); |
| 610 | |
| 611 | for (i = list_offset; i < data->process_table->len && |
| 612 | nblinedisplayed < max_center_lines; i++) { |
| 613 | tmp = g_ptr_array_index(data->process_table, i); |
| 614 | |
| 615 | if (current_line == selected_line) { |
| 616 | selected_process = tmp; |
| 617 | selected_tid = tmp->tid; |
| 618 | selected_comm = tmp->comm; |
| 619 | wattron(center, COLOR_PAIR(5)); |
| 620 | mvwhline(center, current_line + header_offset, 1, ' ', COLS-3); |
| 621 | } |
| 622 | /* READ (bytes/sec) */ |
| 623 | mvwprintw(center, current_line + header_offset, 1, "%lu", |
| 624 | tmp->iostream->ret_read); |
| 625 | |
| 626 | /* WRITE (bytes/sec) */ |
| 627 | mvwprintw(center, current_line + header_offset, 20, "%lu", |
| 628 | tmp->iostream->ret_write); |
| 629 | |
| 630 | /* TOTAL STREAM */ |
| 631 | if(tmp->iostream->ret_total >= 1000000) |
| 632 | mvwprintw(center, current_line + header_offset, 40, "%lu MB", |
| 633 | tmp->iostream->ret_total/1000000); |
| 634 | else if(tmp->iostream->ret_total >=1000) |
| 635 | mvwprintw(center, current_line + header_offset, 40, "%lu KB", |
| 636 | tmp->iostream->ret_total/1000); |
| 637 | else |
| 638 | mvwprintw(center, current_line + header_offset, 40, "%lu B", |
| 639 | tmp->iostream->ret_total); |
| 640 | /* TGID */ |
| 641 | mvwprintw(center, current_line + header_offset, 60, "%d", tmp->pid); |
| 642 | /* PID */ |
| 643 | mvwprintw(center, current_line + header_offset, 80, "%d", tmp->tid); |
| 644 | /* NAME */ |
| 645 | mvwprintw(center, current_line + header_offset, 92, "%s", tmp->comm); |
| 646 | wattroff(center, COLOR_PAIR(5)); |
| 647 | nblinedisplayed++; |
| 648 | current_line++; |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | void update_current_view() |
| 653 | { |
| 654 | sem_wait(&update_display_sem); |
| 655 | if (!data) |
| 656 | return; |
| 657 | update_header(); |
| 658 | |
| 659 | werase(center); |
| 660 | box(center, 0, 0); |
| 661 | switch (current_view) { |
| 662 | case cpu: |
| 663 | update_cputop_display(); |
| 664 | break; |
| 665 | case perf: |
| 666 | update_perf(); |
| 667 | break; |
| 668 | case process_details: |
| 669 | update_process_details(); |
| 670 | break; |
| 671 | case fileio: |
| 672 | update_fileio(); |
| 673 | break; |
| 674 | case iostream: |
| 675 | update_iostream(); |
| 676 | break; |
| 677 | case tree: |
| 678 | update_cputop_display(); |
| 679 | break; |
| 680 | default: |
| 681 | break; |
| 682 | } |
| 683 | update_panels(); |
| 684 | doupdate(); |
| 685 | sem_post(&update_display_sem); |
| 686 | } |
| 687 | |
| 688 | void setup_perf_panel() |
| 689 | { |
| 690 | int size; |
| 691 | if (!data) |
| 692 | return; |
| 693 | if (perf_panel_window) { |
| 694 | del_panel(perf_panel); |
| 695 | delwin(perf_panel_window); |
| 696 | } |
| 697 | size = g_hash_table_size(data->perf_list); |
| 698 | perf_panel_window = create_window(size + 2, 30, 10, 10); |
| 699 | perf_panel = new_panel(perf_panel_window); |
| 700 | perf_panel_visible = 0; |
| 701 | hide_panel(perf_panel); |
| 702 | } |
| 703 | |
| 704 | void update_perf_panel(int line_selected, int toggle_view, int toggle_sort) |
| 705 | { |
| 706 | int i; |
| 707 | struct perfcounter *perf; |
| 708 | GList *perflist; |
| 709 | |
| 710 | if (!data) |
| 711 | return; |
| 712 | |
| 713 | werase(perf_panel_window); |
| 714 | box(perf_panel_window, 0 , 0); |
| 715 | set_window_title(perf_panel_window, "Perf Preferences "); |
| 716 | wattron(perf_panel_window, A_BOLD); |
| 717 | mvwprintw(perf_panel_window, g_hash_table_size(data->perf_list) + 1, 1, " 's' to sort"); |
| 718 | wattroff(perf_panel_window, A_BOLD); |
| 719 | |
| 720 | if (toggle_sort == 1) { |
| 721 | i = 0; |
| 722 | perflist = g_list_first(g_hash_table_get_keys(data->perf_list)); |
| 723 | while (perflist) { |
| 724 | perf = g_hash_table_lookup(data->perf_list, perflist->data); |
| 725 | if (i != line_selected) |
| 726 | perf->sort = 0; |
| 727 | else |
| 728 | perf->sort = 1; |
| 729 | i++; |
| 730 | perflist = g_list_next(perflist); |
| 731 | } |
| 732 | update_current_view(); |
| 733 | } |
| 734 | |
| 735 | i = 0; |
| 736 | perflist = g_list_first(g_hash_table_get_keys(data->perf_list)); |
| 737 | while (perflist) { |
| 738 | perf = g_hash_table_lookup(data->perf_list, perflist->data); |
| 739 | if (i == line_selected && toggle_view == 1) { |
| 740 | perf->visible = perf->visible == 1 ? 0:1; |
| 741 | update_current_view(); |
| 742 | } |
| 743 | if (i == line_selected) { |
| 744 | wattron(perf_panel_window, COLOR_PAIR(5)); |
| 745 | mvwhline(perf_panel_window, i + 1, 1, ' ', 30 - 2); |
| 746 | } |
| 747 | if (perf->sort == 1) |
| 748 | wattron(perf_panel_window, A_BOLD); |
| 749 | mvwprintw(perf_panel_window, i + 1, 1, "[%c] %s", |
| 750 | perf->visible == 1 ? 'x' : ' ', |
| 751 | (char *) perflist->data + 6); |
| 752 | wattroff(perf_panel_window, A_BOLD); |
| 753 | wattroff(perf_panel_window, COLOR_PAIR(5)); |
| 754 | i++; |
| 755 | perflist = g_list_next(perflist); |
| 756 | } |
| 757 | update_panels(); |
| 758 | doupdate(); |
| 759 | } |
| 760 | |
| 761 | |
| 762 | void toggle_perf_panel(void) |
| 763 | { |
| 764 | if (perf_panel_visible) { |
| 765 | hide_panel(perf_panel); |
| 766 | perf_panel_visible = 0; |
| 767 | } else { |
| 768 | setup_perf_panel(); |
| 769 | update_perf_panel(perf_line_selected, 0, 0); |
| 770 | show_panel(perf_panel); |
| 771 | perf_panel_visible = 1; |
| 772 | } |
| 773 | update_panels(); |
| 774 | doupdate(); |
| 775 | } |
| 776 | |
| 777 | void display(unsigned int index) |
| 778 | { |
| 779 | last_display_index = index; |
| 780 | currently_displayed_index = index; |
| 781 | data = g_ptr_array_index(copies, index); |
| 782 | if (!data) |
| 783 | return; |
| 784 | max_elements = data->process_table->len; |
| 785 | update_current_view(); |
| 786 | update_footer(); |
| 787 | update_panels(); |
| 788 | doupdate(); |
| 789 | } |
| 790 | |
| 791 | void pause_display() |
| 792 | { |
| 793 | toggle_pause = 1; |
| 794 | print_log("Pause"); |
| 795 | sem_wait(&pause_sem); |
| 796 | } |
| 797 | |
| 798 | void resume_display() |
| 799 | { |
| 800 | toggle_pause = -1; |
| 801 | print_log("Resume"); |
| 802 | sem_post(&pause_sem); |
| 803 | } |
| 804 | |
| 805 | void *handle_keyboard(void *p) |
| 806 | { |
| 807 | int ch; |
| 808 | while((ch = getch())) { |
| 809 | switch(ch) { |
| 810 | /* Move the cursor and scroll */ |
| 811 | case KEY_DOWN: |
| 812 | if (perf_panel_visible) { |
| 813 | if (perf_line_selected < g_hash_table_size(data->perf_list) - 1) |
| 814 | perf_line_selected++; |
| 815 | update_perf_panel(perf_line_selected, 0, 0); |
| 816 | } else { |
| 817 | if (selected_line < (max_center_lines - 1) && |
| 818 | selected_line < max_elements - 1) { |
| 819 | selected_line++; |
| 820 | selected_in_list++; |
| 821 | } else if (selected_in_list < (max_elements - 1) |
| 822 | && (list_offset < (max_elements - max_center_lines))) { |
| 823 | selected_in_list++; |
| 824 | list_offset++; |
| 825 | } |
| 826 | update_current_view(); |
| 827 | } |
| 828 | break; |
| 829 | case KEY_NPAGE: |
| 830 | if ((selected_line + 10 < max_center_lines - 1) && |
| 831 | ((selected_line + 10) < max_elements - 1)) { |
| 832 | selected_line += 10; |
| 833 | selected_in_list += 10; |
| 834 | } else if (max_elements > max_center_lines) { |
| 835 | selected_line = max_center_lines - 1; |
| 836 | if (selected_in_list + 10 < max_elements - 1) { |
| 837 | selected_in_list += 10; |
| 838 | list_offset += (selected_in_list - max_center_lines + 1); |
| 839 | } |
| 840 | } else if (selected_line + 10 > max_elements) { |
| 841 | selected_line = max_elements - 1; |
| 842 | } |
| 843 | update_current_view(); |
| 844 | break; |
| 845 | case KEY_UP: |
| 846 | if (perf_panel_visible) { |
| 847 | if (perf_line_selected > 0) |
| 848 | perf_line_selected--; |
| 849 | update_perf_panel(perf_line_selected, 0, 0); |
| 850 | } else { |
| 851 | if (selected_line > 0) { |
| 852 | selected_line--; |
| 853 | selected_in_list--; |
| 854 | } else if (selected_in_list > 0 && list_offset > 0) { |
| 855 | selected_in_list--; |
| 856 | list_offset--; |
| 857 | } |
| 858 | update_current_view(); |
| 859 | } |
| 860 | break; |
| 861 | case KEY_PPAGE: |
| 862 | if (selected_line - 10 > 0) |
| 863 | selected_line -= 10; |
| 864 | else |
| 865 | selected_line = 0; |
| 866 | update_current_view(); |
| 867 | break; |
| 868 | |
| 869 | /* Navigate the history with arrows */ |
| 870 | case KEY_LEFT: |
| 871 | if (currently_displayed_index > 0) { |
| 872 | currently_displayed_index--; |
| 873 | print_log("Going back in time"); |
| 874 | } else { |
| 875 | print_log("Cannot rewind, last data is already displayed"); |
| 876 | } |
| 877 | data = g_ptr_array_index(copies, currently_displayed_index); |
| 878 | max_elements = data->process_table->len; |
| 879 | |
| 880 | /* we force to pause the display when moving in time */ |
| 881 | if (toggle_pause < 0) |
| 882 | pause_display(); |
| 883 | |
| 884 | update_current_view(); |
| 885 | update_footer(); |
| 886 | break; |
| 887 | case KEY_RIGHT: |
| 888 | if (currently_displayed_index < last_display_index) { |
| 889 | currently_displayed_index++; |
| 890 | print_log("Going forward in time"); |
| 891 | data = g_ptr_array_index(copies, currently_displayed_index); |
| 892 | max_elements = data->process_table->len; |
| 893 | update_current_view(); |
| 894 | update_footer(); |
| 895 | } else { |
| 896 | print_log("Manually moving forward"); |
| 897 | sem_post(&timer); |
| 898 | /* we force to resume the refresh when moving forward */ |
| 899 | if (toggle_pause > 0) |
| 900 | resume_display(); |
| 901 | } |
| 902 | |
| 903 | break; |
| 904 | case ' ': |
| 905 | if (perf_panel_visible) |
| 906 | update_perf_panel(perf_line_selected, 1, 0); |
| 907 | break; |
| 908 | case 's': |
| 909 | if (perf_panel_visible) |
| 910 | update_perf_panel(perf_line_selected, 0, 1); |
| 911 | break; |
| 912 | |
| 913 | case 13: /* FIXME : KEY_ENTER ?? */ |
| 914 | if (current_view == cpu) { |
| 915 | current_view = process_details; |
| 916 | } |
| 917 | update_current_view(); |
| 918 | break; |
| 919 | |
| 920 | case KEY_F(1): |
| 921 | toggle_tree *= -1; |
| 922 | current_view = cpu; |
| 923 | update_current_view(); |
| 924 | break; |
| 925 | case KEY_F(2): |
| 926 | current_view = cpu; |
| 927 | update_current_view(); |
| 928 | break; |
| 929 | case KEY_F(3): |
| 930 | current_view = perf; |
| 931 | toggle_tree = -1; |
| 932 | update_current_view(); |
| 933 | break; |
| 934 | case KEY_F(4): |
| 935 | current_view = fileio; |
| 936 | toggle_tree = -1; |
| 937 | update_current_view(); |
| 938 | break; |
| 939 | case KEY_F(5): |
| 940 | current_view = netio; |
| 941 | toggle_tree = -1; |
| 942 | update_current_view(); |
| 943 | break; |
| 944 | case KEY_F(6): |
| 945 | current_view = iostream; |
| 946 | toggle_tree = -1; |
| 947 | update_current_view(); |
| 948 | break; |
| 949 | case KEY_F(10): |
| 950 | case 'q': |
| 951 | reset_ncurses(); |
| 952 | break; |
| 953 | case 't': |
| 954 | toggle_threads *= -1; |
| 955 | update_current_view(); |
| 956 | break; |
| 957 | case 'p': |
| 958 | if (toggle_pause < 0) { |
| 959 | pause_display(); |
| 960 | } else { |
| 961 | resume_display(); |
| 962 | } |
| 963 | break; |
| 964 | case 'P': |
| 965 | toggle_perf_panel(); |
| 966 | break; |
| 967 | default: |
| 968 | /* |
| 969 | * commented because it makes the list refresh in different order |
| 970 | * if we sort and there are equal values |
| 971 | if (data) |
| 972 | update_current_view(); |
| 973 | */ |
| 974 | break; |
| 975 | } |
| 976 | update_footer(); |
| 977 | } |
| 978 | return NULL; |
| 979 | } |
| 980 | |
| 981 | void init_ncurses() |
| 982 | { |
| 983 | sem_init(&update_display_sem, 0, 1); |
| 984 | init_screen(); |
| 985 | |
| 986 | header = create_window(7, COLS - 1, 0, 0); |
| 987 | center = create_window(LINES - 7 - 7, COLS - 1, 7, 0); |
| 988 | status = create_window(MAX_LOG_LINES + 2, COLS - 1, LINES - 7, 0); |
| 989 | footer = create_window(1, COLS - 1, LINES - 1, 0); |
| 990 | |
| 991 | print_log("Starting display"); |
| 992 | |
| 993 | main_panel = new_panel(center); |
| 994 | setup_perf_panel(); |
| 995 | |
| 996 | current_view = cpu; |
| 997 | |
| 998 | basic_header(); |
| 999 | update_footer(); |
| 1000 | |
| 1001 | pthread_create(&keyboard_thread, NULL, handle_keyboard, (void *)NULL); |
| 1002 | } |
| 1003 | |