81db0af99d04b1fff3d2868cc1599b7649c8f8f9
[lttngtop.git] / src / cursesdisplay.c
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 along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <signal.h>
21 #include <string.h>
22 #include <ncurses.h>
23 #include <panel.h>
24 #include <pthread.h>
25 #include <semaphore.h>
26
27 #include "cursesdisplay.h"
28 #include "lttngtoptypes.h"
29 #include "iostreamtop.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",
214 log_lines[i]);
215 }
216 }
217 wrefresh(status);
218 }
219
220 void print_key(WINDOW *win, char *key, char *desc, int toggle)
221 {
222 int pair;
223 if (toggle > 0)
224 pair = 4;
225 else
226 pair = 3;
227 wattron(win, COLOR_PAIR(pair));
228 wprintw(footer, "%s", key);
229 wattroff(win, COLOR_PAIR(pair));
230 wprintw(footer, ":%s", desc);
231 }
232
233 void update_footer()
234 {
235 sem_wait(&update_display_sem);
236 werase(footer);
237 wmove(footer, 1, 1);
238 print_key(footer, "F2", "CPUtop ", current_view == cpu);
239 print_key(footer, "F3", "PerfTop ", current_view == perf);
240 print_key(footer, "F6", "IOTop ", current_view == iostream);
241 print_key(footer, "Enter", "Details ", current_view == process_details);
242 print_key(footer, "q", "Quit | ", 0);
243 print_key(footer, "P", "Perf Pref ", 0);
244 print_key(footer, "p", "Pause ", toggle_pause);
245
246 wrefresh(footer);
247 sem_post(&update_display_sem);
248 }
249
250 void basic_header()
251 {
252 werase(header);
253 box(header, 0 , 0);
254 set_window_title(header, "Statistics for interval [gathering data...[");
255 wattron(header, A_BOLD);
256 mvwprintw(header, 1, 4, "CPUs");
257 mvwprintw(header, 2, 4, "Processes");
258 mvwprintw(header, 3, 4, "Threads");
259 mvwprintw(header, 4, 4, "Files");
260 mvwprintw(header, 5, 4, "Network");
261 mvwprintw(header, 6, 4, "IO");
262 wattroff(header, A_BOLD);
263 wrefresh(header);
264 }
265
266 void update_header()
267 {
268 werase(header);
269 box(header, 0 , 0);
270 set_window_title(header, "Statistics for interval ");
271 wattron(header, A_BOLD);
272 /*
273 wprintw(header, "[%lu.%lu, %lu.%lu[",
274 data->start.tv_sec, data->start.tv_nsec,
275 data->end.tv_sec, data->end.tv_nsec);
276 */
277 wprintw(header, "[%lu, %lu[",
278 data->start,
279 data->end);
280 mvwprintw(header, 1, 4, "CPUs");
281 wattroff(header, A_BOLD);
282 wprintw(header, "\t%d\t(max/cpu : %0.2f%)", data->cpu_table->len,
283 100.0/data->cpu_table->len);
284 print_headers(2, "Processes", data->nbproc, data->nbnewproc,
285 -1*(data->nbdeadproc));
286 print_headers(3, "Threads", data->nbthreads, data->nbnewthreads,
287 -1*(data->nbdeadthreads));
288 print_headers(4, "Files", data->nbfiles, data->nbnewfiles,
289 -1*(data->nbclosedfiles));
290 mvwprintw(header, 4, 43, "N/A kbytes/sec");
291 print_headers(5, "Network", 114, 0, 0);
292 mvwprintw(header, 5, 43, "N/A Mbytes/sec");
293 wrefresh(header);
294 }
295
296 gint sort_by_cpu_desc(gconstpointer p1, gconstpointer p2)
297 {
298 struct processtop *n1 = *(struct processtop **)p1;
299 struct processtop *n2 = *(struct processtop **)p2;
300 unsigned long totaln1 = n1->totalcpunsec;
301 unsigned long totaln2 = n2->totalcpunsec;
302
303 if (totaln1 < totaln2)
304 return 1;
305 if (totaln1 == totaln2)
306 return 0;
307 return -1;
308 }
309
310 gint sort_by_cpu_group_by_threads_desc(gconstpointer p1, gconstpointer p2)
311 {
312 struct processtop *n1 = *(struct processtop **)p1;
313 struct processtop *n2 = *(struct processtop **)p2;
314 unsigned long totaln1 = n1->threadstotalcpunsec;
315 unsigned long totaln2 = n2->threadstotalcpunsec;
316
317 if (totaln1 < totaln2)
318 return 1;
319 if (totaln1 == totaln2)
320 return 0;
321 return -1;
322 }
323
324 void update_cputop_display()
325 {
326 int i;
327 int header_offset = 2;
328 struct processtop *tmp;
329 unsigned long elapsed;
330 double maxcputime;
331 int nblinedisplayed = 0;
332 int current_line = 0;
333
334 elapsed = data->end - data->start;
335 maxcputime = elapsed * data->cpu_table->len / 100.0;
336
337 g_ptr_array_sort(data->process_table, sort_by_cpu_desc);
338
339 set_window_title(center, "CPU Top");
340 wattron(center, A_BOLD);
341 mvwprintw(center, 1, 1, "CPU(%)");
342 mvwprintw(center, 1, 12, "TGID");
343 mvwprintw(center, 1, 22, "PID");
344 mvwprintw(center, 1, 32, "NAME");
345 wattroff(center, A_BOLD);
346
347 max_center_lines = LINES - 7 - 7 - 1 - header_offset;
348
349 /* iterate the process (thread) list */
350 for (i = list_offset; i < data->process_table->len &&
351 nblinedisplayed < max_center_lines; i++) {
352 tmp = g_ptr_array_index(data->process_table, i);
353
354 if (current_line == selected_line) {
355 selected_process = tmp;
356 selected_tid = tmp->tid;
357 selected_comm = tmp->comm;
358 wattron(center, COLOR_PAIR(5));
359 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
360 }
361 /* CPU(%) */
362 mvwprintw(center, current_line + header_offset, 1, "%1.2f",
363 tmp->totalcpunsec / maxcputime);
364 /* TGID */
365 mvwprintw(center, current_line + header_offset, 12, "%d", tmp->pid);
366 /* PID */
367 mvwprintw(center, current_line + header_offset, 22, "%d", tmp->tid);
368 /* NAME */
369 mvwprintw(center, current_line + header_offset, 32, "%s", tmp->comm);
370 wattroff(center, COLOR_PAIR(5));
371 nblinedisplayed++;
372 current_line++;
373 }
374 }
375
376 gint sort_perf(gconstpointer p1, gconstpointer p2, gpointer key)
377 {
378 struct processtop *n1 = *(struct processtop **) p1;
379 struct processtop *n2 = *(struct processtop **) p2;
380
381 struct perfcounter *tmp1, *tmp2;
382 unsigned long totaln2 = 0;
383 unsigned long totaln1 = 0;
384
385 if (!key)
386 return 0;
387
388 tmp1 = g_hash_table_lookup(n1->perf, key);
389 if (!tmp1)
390 totaln1 = 0;
391 else
392 totaln1 = tmp1->count;
393
394 tmp2 = g_hash_table_lookup(n2->perf, key);
395 if (!tmp2)
396 totaln2 = 0;
397 else
398 totaln2 = tmp2->count;
399
400 if (totaln1 < totaln2)
401 return 1;
402 if (totaln1 == totaln2) {
403 totaln1 = n1->tid;
404 totaln2 = n2->tid;
405 if (totaln1 < totaln2)
406 return 1;
407 return -1;
408 }
409 return -1;
410 }
411
412 void print_key_title(char *key, int line)
413 {
414 wattron(center, A_BOLD);
415 mvwprintw(center, line, 1, "%s\t", key);
416 wattroff(center, A_BOLD);
417 }
418
419 void update_process_details()
420 {
421 unsigned long elapsed;
422 double maxcputime;
423 struct processtop *tmp = find_process_tid(data, selected_tid, selected_comm);
424 struct files *file_tmp;
425 int i, j = 0;
426
427 set_window_title(center, "Process details");
428
429
430 elapsed = data->end - data->start;
431 maxcputime = elapsed * data->cpu_table->len / 100.0;
432
433 print_key_title("Name", 1);
434 wprintw(center, "%s", selected_comm);
435 print_key_title("TID", 2);
436 wprintw(center, "%d", selected_tid);
437 if (!tmp) {
438 print_key_title("Does not exit at this time", 3);
439 return;
440 }
441
442 print_key_title("PID", 3);
443 wprintw(center, "%d", tmp->pid);
444 print_key_title("PPID", 4);
445 wprintw(center, "%d", tmp->ppid);
446 print_key_title("CPU", 5);
447 wprintw(center, "%1.2f %%", tmp->totalcpunsec/maxcputime);
448
449 print_key_title("READ B/s", 6);
450 wprintw(center, "%d", tmp->fileread);
451
452 print_key_title("WRITE B/s", 7);
453 wprintw(center, "%d", tmp->filewrite);
454
455 for (i = 0; i < tmp->process_files_table->len; i++) {
456 file_tmp = get_file(tmp, i);
457 if (file_tmp != NULL) {
458 print_key_title("file", 8+j);
459 wprintw(center, "%s fd = %d", file_tmp->name, i);
460 wprintw(center, " read = %d", file_tmp->read);
461 wprintw(center, " write = %d", file_tmp->write);
462 j++;
463 }
464 }
465 }
466
467 void update_perf()
468 {
469 int i;
470 int nblinedisplayed = 0;
471 int current_line = 0;
472 struct processtop *tmp;
473 int header_offset = 2;
474 int perf_row = 40;
475 struct perfcounter *perfn1, *perfn2;
476 char *perf_key = NULL;
477 int value;
478 GHashTableIter iter;
479 gpointer key;
480
481 set_window_title(center, "Perf Top");
482 wattron(center, A_BOLD);
483 mvwprintw(center, 1, 1, "PID");
484 mvwprintw(center, 1, 11, "TID");
485 mvwprintw(center, 1, 22, "NAME");
486
487 perf_row = 40;
488 g_hash_table_iter_init(&iter, data->perf_list);
489 while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfn1)) {
490 if (perfn1->visible) {
491 /* + 5 to strip the "perf_" prefix */
492 mvwprintw(center, 1, perf_row, "%s",
493 (char *) key + 5);
494 perf_row += 20;
495 }
496 if (perfn1->sort) {
497 perf_key = (char *) key;
498 }
499 }
500
501 wattroff(center, A_BOLD);
502
503 g_ptr_array_sort_with_data(data->process_table, sort_perf, perf_key);
504
505 for (i = 0; i < data->process_table->len &&
506 nblinedisplayed < max_center_lines; i++) {
507 tmp = g_ptr_array_index(data->process_table, i);
508
509 if (current_line == selected_line) {
510 selected_process = tmp;
511 wattron(center, COLOR_PAIR(5));
512 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
513 }
514
515 mvwprintw(center, current_line + header_offset, 1, "%d", tmp->pid);
516 mvwprintw(center, current_line + header_offset, 11, "%d", tmp->tid);
517 mvwprintw(center, current_line + header_offset, 22, "%s", tmp->comm);
518
519 g_hash_table_iter_init(&iter, data->perf_list);
520
521 perf_row = 40;
522 while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfn1)) {
523 if (perfn1->visible) {
524 perfn2 = g_hash_table_lookup(tmp->perf, (char *) key);
525 if (perfn2)
526 value = perfn2->count;
527 else
528 value = 0;
529 mvwprintw(center, current_line + header_offset,
530 perf_row, "%d", value);
531 perf_row += 20;
532 }
533 }
534
535 wattroff(center, COLOR_PAIR(5));
536 nblinedisplayed++;
537 current_line++;
538 }
539 }
540
541 void update_fileio()
542 {
543 int i;
544 int offset;
545
546 set_window_title(center, "IO Top");
547 wattron(center, A_BOLD);
548 mvwprintw(center, 1, 10, "READ");
549 mvwprintw(center, 2, 1, "bytes");
550 mvwprintw(center, 2, 15, "bytes/sec");
551
552 mvwprintw(center, 1, 39, "WRITE");
553 mvwprintw(center, 2, 33, "bytes");
554 mvwprintw(center, 2, 45, "bytes/sec");
555
556 if (toggle_threads > 0) {
557 mvwprintw(center, 1, 60, "TGID");
558 mvwprintw(center, 1, 70, "PID");
559 offset = 8;
560 } else {
561 mvwprintw(center, 1, 60, "PID(TGID)");
562 offset = 0;
563 }
564 mvwprintw(center, 1, 72 + offset, "NAME");
565 wattroff(center, A_BOLD);
566
567 for (i = 3; i < LINES - 3 - 8 - 1; i++) {
568 mvwprintw(center, i, 1, "%d", i*1000);
569 mvwprintw(center, i, 15, "%dk", i);
570 mvwprintw(center, i, 28, "| %d", i*2000);
571 mvwprintw(center, i, 45, "%dk", i*2);
572 if (toggle_threads > 0) {
573 mvwprintw(center, i, 57, "| %d", i);
574 mvwprintw(center, i, 70, "%d", i);
575 } else {
576 mvwprintw(center, i, 57, "| %d", i);
577 }
578 mvwprintw(center, i, 72 + offset, "process_%d", i);
579 }
580 }
581
582 gint sort_by_ret_desc(gconstpointer p1, gconstpointer p2)
583 {
584 struct processtop *n1 = *(struct processtop **)p1;
585 struct processtop *n2 = *(struct processtop **)p2;
586
587 unsigned long totaln1 = n1->totalfileread + n1->totalfilewrite;
588 unsigned long totaln2 = n2->totalfileread + n2->totalfilewrite;
589
590 if (totaln1 < totaln2)
591 return 1;
592 if (totaln1 == totaln2)
593 return 0;
594 return -1;
595 }
596
597 void update_iostream()
598 {
599 int i;
600 int header_offset = 2;
601 struct processtop *tmp;
602 int nblinedisplayed = 0;
603 int current_line = 0;
604 int total = 0;
605
606 set_window_title(center, "IO Top");
607 wattron(center, A_BOLD);
608 mvwprintw(center, 1, 1, "READ (B/s)");
609 mvwprintw(center, 1, 20, "WRITE (B/s)");
610
611 mvwprintw(center, 1, 40, "TOTAL STREAM");
612
613 mvwprintw(center, 1, 60, "TGID");
614 mvwprintw(center, 1, 80, "PID");
615
616 mvwprintw(center, 1, 92, "NAME");
617 wattroff(center, A_BOLD);
618
619 g_ptr_array_sort(data->process_table, sort_by_ret_desc);
620
621 for (i = list_offset; i < data->process_table->len &&
622 nblinedisplayed < max_center_lines; i++) {
623 tmp = g_ptr_array_index(data->process_table, i);
624
625 if (current_line == selected_line) {
626 selected_process = tmp;
627 selected_tid = tmp->tid;
628 selected_comm = tmp->comm;
629 wattron(center, COLOR_PAIR(5));
630 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
631 }
632
633 /* READ (bytes/sec) */
634 mvwprintw(center, current_line + header_offset, 1, "%lu",
635 tmp->fileread);
636
637 /* WRITE (bytes/sec) */
638 mvwprintw(center, current_line + header_offset, 20, "%lu",
639 tmp->filewrite);
640
641 /* TOTAL STREAM */
642 total = tmp->totalfileread + tmp->totalfilewrite;
643
644 if (total >= 1000000)
645 mvwprintw(center, current_line + header_offset, 40, "%lu MB",
646 total/1000000);
647 else if (total >= 1000)
648 mvwprintw(center, current_line + header_offset, 40, "%lu KB",
649 total/1000);
650 else
651 mvwprintw(center, current_line + header_offset, 40, "%lu B",
652 total);
653
654 /* TGID */
655 mvwprintw(center, current_line + header_offset, 60, "%d", tmp->pid);
656 /* PID */
657 mvwprintw(center, current_line + header_offset, 80, "%d", tmp->tid);
658 /* NAME */
659 mvwprintw(center, current_line + header_offset, 92, "%s", tmp->comm);
660 wattroff(center, COLOR_PAIR(5));
661 nblinedisplayed++;
662 current_line++;
663 }
664 }
665
666 void update_current_view()
667 {
668 sem_wait(&update_display_sem);
669 if (!data)
670 return;
671 update_header();
672
673 werase(center);
674 box(center, 0, 0);
675 switch (current_view) {
676 case cpu:
677 update_cputop_display();
678 break;
679 case perf:
680 update_perf();
681 break;
682 case process_details:
683 update_process_details();
684 break;
685 case fileio:
686 update_fileio();
687 break;
688 case iostream:
689 update_iostream();
690 break;
691 case tree:
692 update_cputop_display();
693 break;
694 default:
695 break;
696 }
697 update_panels();
698 doupdate();
699 sem_post(&update_display_sem);
700 }
701
702 void setup_perf_panel()
703 {
704 int size;
705 if (!data)
706 return;
707 if (perf_panel_window) {
708 del_panel(perf_panel);
709 delwin(perf_panel_window);
710 }
711 size = g_hash_table_size(data->perf_list);
712 perf_panel_window = create_window(size + 2, 30, 10, 10);
713 perf_panel = new_panel(perf_panel_window);
714 perf_panel_visible = 0;
715 hide_panel(perf_panel);
716 }
717
718 void update_perf_panel(int line_selected, int toggle_view, int toggle_sort)
719 {
720 int i;
721 struct perfcounter *perf;
722 GList *perflist;
723
724 if (!data)
725 return;
726
727 werase(perf_panel_window);
728 box(perf_panel_window, 0 , 0);
729 set_window_title(perf_panel_window, "Perf Preferences ");
730 wattron(perf_panel_window, A_BOLD);
731 mvwprintw(perf_panel_window, g_hash_table_size(data->perf_list) + 1, 1,
732 " 's' to sort");
733 wattroff(perf_panel_window, A_BOLD);
734
735 if (toggle_sort == 1) {
736 i = 0;
737 perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
738 while (perflist) {
739 perf = g_hash_table_lookup(data->perf_list, perflist->data);
740 if (i != line_selected)
741 perf->sort = 0;
742 else
743 perf->sort = 1;
744 i++;
745 perflist = g_list_next(perflist);
746 }
747 update_current_view();
748 }
749
750 i = 0;
751 perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
752 while (perflist) {
753 perf = g_hash_table_lookup(data->perf_list, perflist->data);
754 if (i == line_selected && toggle_view == 1) {
755 perf->visible = perf->visible == 1 ? 0:1;
756 update_current_view();
757 }
758 if (i == line_selected) {
759 wattron(perf_panel_window, COLOR_PAIR(5));
760 mvwhline(perf_panel_window, i + 1, 1, ' ', 30 - 2);
761 }
762 if (perf->sort == 1)
763 wattron(perf_panel_window, A_BOLD);
764 mvwprintw(perf_panel_window, i + 1, 1, "[%c] %s",
765 perf->visible == 1 ? 'x' : ' ',
766 (char *) perflist->data + 6);
767 wattroff(perf_panel_window, A_BOLD);
768 wattroff(perf_panel_window, COLOR_PAIR(5));
769 i++;
770 perflist = g_list_next(perflist);
771 }
772 update_panels();
773 doupdate();
774 }
775
776
777 void toggle_perf_panel(void)
778 {
779 if (perf_panel_visible) {
780 hide_panel(perf_panel);
781 perf_panel_visible = 0;
782 } else {
783 setup_perf_panel();
784 update_perf_panel(perf_line_selected, 0, 0);
785 show_panel(perf_panel);
786 perf_panel_visible = 1;
787 }
788 update_panels();
789 doupdate();
790 }
791
792 void display(unsigned int index)
793 {
794 last_display_index = index;
795 currently_displayed_index = index;
796 data = g_ptr_array_index(copies, index);
797 if (!data)
798 return;
799 max_elements = data->process_table->len;
800 update_current_view();
801 update_footer();
802 update_panels();
803 doupdate();
804 }
805
806 void pause_display()
807 {
808 toggle_pause = 1;
809 print_log("Pause");
810 sem_wait(&pause_sem);
811 }
812
813 void resume_display()
814 {
815 toggle_pause = -1;
816 print_log("Resume");
817 sem_post(&pause_sem);
818 }
819
820 void *handle_keyboard(void *p)
821 {
822 int ch;
823 while((ch = getch())) {
824 switch(ch) {
825 /* Move the cursor and scroll */
826 case KEY_DOWN:
827 if (perf_panel_visible) {
828 if (perf_line_selected < g_hash_table_size(data->perf_list) - 1)
829 perf_line_selected++;
830 update_perf_panel(perf_line_selected, 0, 0);
831 } else {
832 if (selected_line < (max_center_lines - 1) &&
833 selected_line < max_elements - 1) {
834 selected_line++;
835 selected_in_list++;
836 } else if (selected_in_list < (max_elements - 1)
837 && (list_offset < (max_elements - max_center_lines))) {
838 selected_in_list++;
839 list_offset++;
840 }
841 update_current_view();
842 }
843 break;
844 case KEY_NPAGE:
845 if ((selected_line + 10 < max_center_lines - 1) &&
846 ((selected_line + 10) < max_elements - 1)) {
847 selected_line += 10;
848 selected_in_list += 10;
849 } else if (max_elements > max_center_lines) {
850 selected_line = max_center_lines - 1;
851 if (selected_in_list + 10 < max_elements - 1) {
852 selected_in_list += 10;
853 list_offset += (selected_in_list - max_center_lines + 1);
854 }
855 } else if (selected_line + 10 > max_elements) {
856 selected_line = max_elements - 1;
857 }
858 update_current_view();
859 break;
860 case KEY_UP:
861 if (perf_panel_visible) {
862 if (perf_line_selected > 0)
863 perf_line_selected--;
864 update_perf_panel(perf_line_selected, 0, 0);
865 } else {
866 if (selected_line > 0) {
867 selected_line--;
868 selected_in_list--;
869 } else if (selected_in_list > 0 && list_offset > 0) {
870 selected_in_list--;
871 list_offset--;
872 }
873 update_current_view();
874 }
875 break;
876 case KEY_PPAGE:
877 if (selected_line - 10 > 0)
878 selected_line -= 10;
879 else
880 selected_line = 0;
881 update_current_view();
882 break;
883
884 /* Navigate the history with arrows */
885 case KEY_LEFT:
886 if (currently_displayed_index > 0) {
887 currently_displayed_index--;
888 print_log("Going back in time");
889 } else {
890 print_log("Cannot rewind, last data is already displayed");
891 }
892 data = g_ptr_array_index(copies, currently_displayed_index);
893 max_elements = data->process_table->len;
894
895 /* we force to pause the display when moving in time */
896 if (toggle_pause < 0)
897 pause_display();
898
899 update_current_view();
900 update_footer();
901 break;
902 case KEY_RIGHT:
903 if (currently_displayed_index < last_display_index) {
904 currently_displayed_index++;
905 print_log("Going forward in time");
906 data = g_ptr_array_index(copies, currently_displayed_index);
907 max_elements = data->process_table->len;
908 update_current_view();
909 update_footer();
910 } else {
911 print_log("Manually moving forward");
912 sem_post(&timer);
913 /* we force to resume the refresh when moving forward */
914 if (toggle_pause > 0)
915 resume_display();
916 }
917
918 break;
919 case ' ':
920 if (perf_panel_visible)
921 update_perf_panel(perf_line_selected, 1, 0);
922 break;
923 case 's':
924 if (perf_panel_visible)
925 update_perf_panel(perf_line_selected, 0, 1);
926 break;
927
928 case 13: /* FIXME : KEY_ENTER ?? */
929 if (current_view == cpu) {
930 current_view = process_details;
931 }
932 update_current_view();
933 break;
934
935 case KEY_F(1):
936 toggle_tree *= -1;
937 current_view = cpu;
938 update_current_view();
939 break;
940 case KEY_F(2):
941 current_view = cpu;
942 update_current_view();
943 break;
944 case KEY_F(3):
945 current_view = perf;
946 toggle_tree = -1;
947 update_current_view();
948 break;
949 case KEY_F(4):
950 current_view = fileio;
951 toggle_tree = -1;
952 update_current_view();
953 break;
954 case KEY_F(5):
955 current_view = netio;
956 toggle_tree = -1;
957 update_current_view();
958 break;
959 case KEY_F(6):
960 current_view = iostream;
961 toggle_tree = -1;
962 update_current_view();
963 break;
964 case KEY_F(10):
965 case 'q':
966 reset_ncurses();
967 break;
968 case 't':
969 toggle_threads *= -1;
970 update_current_view();
971 break;
972 case 'p':
973 if (toggle_pause < 0) {
974 pause_display();
975 } else {
976 resume_display();
977 }
978 break;
979 case 'P':
980 toggle_perf_panel();
981 break;
982 default:
983 if (data)
984 update_current_view();
985 break;
986 }
987 update_footer();
988 }
989 return NULL;
990 }
991
992 void init_ncurses()
993 {
994 sem_init(&update_display_sem, 0, 1);
995 init_screen();
996
997 header = create_window(7, COLS - 1, 0, 0);
998 center = create_window(LINES - 7 - 7, COLS - 1, 7, 0);
999 status = create_window(MAX_LOG_LINES + 2, COLS - 1, LINES - 7, 0);
1000 footer = create_window(1, COLS - 1, LINES - 1, 0);
1001
1002 print_log("Starting display");
1003
1004 main_panel = new_panel(center);
1005 setup_perf_panel();
1006
1007 current_view = cpu;
1008
1009 basic_header();
1010 update_footer();
1011
1012 pthread_create(&keyboard_thread, NULL, handle_keyboard, (void *)NULL);
1013 }
1014
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