projects / lttngtop.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Cleanup IO units
[lttngtop.git] / src / cursesdisplay.c
CommitLineData
1fc22eb4
JD		 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 *
71bd7ce1
AM		 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.
1fc22eb4
JD		 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"
b093de8a 29#include "iostreamtop.h"
1fc22eb4
JD		 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 */
37sem_t update_display_sem;
38
39char *termtype;
40WINDOW *footer, *header, *center, *status;
41WINDOW *perf_panel_window = NULL;
42PANEL *perf_panel, *main_panel;
43
44int perf_panel_visible = 0;
45int perf_line_selected = 0;
46
47int last_display_index, currently_displayed_index;
48
49struct processtop *selected_process = NULL;
1fc22eb4
JD		 50int selected_ret;
51
52int selected_line = 0; /* select bar position */
53int selected_in_list = 0; /* selection relative to the whole list */
54int list_offset = 0; /* first index in the list to display (scroll) */
55int nb_log_lines = 0;
56char log_lines[MAX_LINE_LENGTH * MAX_LOG_LINES + MAX_LOG_LINES];
57
58int max_elements = 80;
59
60int toggle_threads = -1;
61int toggle_pause = -1;
1fc22eb4
JD		 62
63int max_center_lines;
635dc837 64GPtrArray *selected_processes;
1fc22eb4
JD		 65
66pthread_t keyboard_thread;
67
68void reset_ncurses()
69{
70 curs_set(1);
71 endwin();
72 exit(0);
73}
74
75static void handle_sigterm(int signal)
76{
77 reset_ncurses();
78}
79
80void init_screen()
81{
82 initscr();
83 noecho();
84 halfdelay(DEFAULT_DELAY);
85 nonl();
86 intrflush(stdscr, false);
87 keypad(stdscr, true);
88 curs_set(0);
89
90 if (has_colors()) {
91 start_color();
92 init_pair(1, COLOR_RED, COLOR_BLACK); /* - */
93 init_pair(2, COLOR_GREEN, COLOR_BLACK); /* + */
94 init_pair(3, COLOR_BLACK, COLOR_WHITE); /* keys */
95 init_pair(4, COLOR_WHITE, COLOR_GREEN); /* keys activated */
96 init_pair(5, COLOR_WHITE, COLOR_BLUE); /* select line */
635dc837 97 init_pair(6, COLOR_WHITE, COLOR_GREEN); /* selected process */
1fc22eb4
JD		 98 }
99 termtype = getenv("TERM");
100 if (!strcmp(termtype, "xterm") || !strcmp(termtype, "xterm-color") ||
101 !strcmp(termtype, "vt220")) {
102 define_key("\033[H", KEY_HOME);
103 define_key("\033[F", KEY_END);
104 define_key("\033OP", KEY_F(1));
105 define_key("\033OQ", KEY_F(2));
106 define_key("\033OR", KEY_F(3));
107 define_key("\033OS", KEY_F(4));
108 define_key("\0330U", KEY_F(6));
109 define_key("\033[11~", KEY_F(1));
110 define_key("\033[12~", KEY_F(2));
111 define_key("\033[13~", KEY_F(3));
112 define_key("\033[14~", KEY_F(4));
113 define_key("\033[16~", KEY_F(6));
114 define_key("\033[17;2~", KEY_F(18));
115 }
116 signal(SIGTERM, handle_sigterm);
117 mousemask(BUTTON1_CLICKED, NULL);
118 refresh();
119}
120
121WINDOW *create_window(int height, int width, int startx, int starty)
122{
123 WINDOW *win;
124 win = newwin(height, width, startx, starty);
125 box(win, 0 , 0);
126 wrefresh(win);
127 return win;
128}
129
130WINDOW *create_window_no_border(int height, int width, int startx, int starty)
131{
132 WINDOW *win;
133 win = newwin(height, width, startx, starty);
134 wrefresh(win);
135 return win;
136}
137
138void print_digit(WINDOW *win, int digit)
139{
140 if (digit < 0) {
141 wattron(win, COLOR_PAIR(1));
142 wprintw(win, "%d", digit);
143 wattroff(win, COLOR_PAIR(1));
144 } else if (digit > 0) {
145 wattron(win, COLOR_PAIR(2));
146 wprintw(win, "+%d", digit);
147 wattroff(win, COLOR_PAIR(2));
148 } else {
149 wprintw(win, "0");
150 }
151}
152
153void print_digits(WINDOW *win, int first, int second)
154{
155 wprintw(win, "(");
156 print_digit(win, first);
157 wprintw(win, ", ");
158 print_digit(win, second);
159 wprintw(win, ")");
160}
161
162void print_headers(int line, char *desc, int value, int first, int second)
163{
164 wattron(header, A_BOLD);
165 mvwprintw(header, line, 4, "%s", desc);
166 wattroff(header, A_BOLD);
e05a35a6 167 mvwprintw(header, line, 16, "%d", value);
1fc22eb4
JD		 168 wmove(header, line, 24);
169 print_digits(header, first, second);
170 wmove(header, line, 40);
171}
172
173void set_window_title(WINDOW *win, char *title)
174{
175 wattron(win, A_BOLD);
176 mvwprintw(win, 0, 1, title);
177 wattroff(win, A_BOLD);
178}
179
180void print_log(char *str)
181{
182 int i;
183 int current_line = 1;
184 int current_char = 1;
185 char *tmp, *tmp2;
186 /* rotate the line buffer */
187 if (nb_log_lines >= MAX_LOG_LINES) {
188 tmp = strndup(log_lines, MAX_LINE_LENGTH * MAX_LOG_LINES + MAX_LOG_LINES);
189 tmp2 = strchr(tmp, '\n');
190 memset(log_lines, '\0', strlen(log_lines));
191 strncat(log_lines, tmp2 + 1, strlen(tmp2) - 1);
192 log_lines[strlen(log_lines)] = '\n';
193 log_lines[strlen(log_lines)] = '\0';
194 free(tmp);
195 }
196 nb_log_lines++;
197
198 strncat(log_lines, str, MAX_LINE_LENGTH - 1);
199
200 if (nb_log_lines < MAX_LOG_LINES)
201 log_lines[strlen(log_lines)] = '\n';
202 log_lines[strlen(log_lines)] = '\0';
203
204 werase(status);
205 box(status, 0 , 0);
206 set_window_title(status, "Status");
207 for (i = 0; i < strlen(log_lines); i++) {
208 if (log_lines[i] == '\n') {
209 wmove(status, ++current_line, 1);
210 current_char = 1;
211 } else {
b093de8a
MB		 212 mvwprintw(status, current_line, current_char++, "%c",
213 log_lines[i]);
1fc22eb4
JD		 214 }
215 }
216 wrefresh(status);
217}
218
635dc837
JD		 219int process_selected(struct processtop *process)
220{
221 int i;
222 struct processtop *stored_process;
223
224 for (i = 0; i < selected_processes->len; i++) {
225 stored_process = g_ptr_array_index(selected_processes, i);
226 if (stored_process->tid == process->tid)
227 return 1;
228 }
229 return 0;
230}
231
232void update_selected_processes()
233{
234 if (process_selected(selected_process)) {
235 g_ptr_array_remove(selected_processes, selected_process);
236 print_log("Process removed");
237 } else {
238 g_ptr_array_add(selected_processes, selected_process);
239 print_log("Process added");
240 }
241}
242
1fc22eb4
JD		 243void print_key(WINDOW *win, char *key, char *desc, int toggle)
244{
245 int pair;
246 if (toggle > 0)
247 pair = 4;
248 else
249 pair = 3;
250 wattron(win, COLOR_PAIR(pair));
251 wprintw(footer, "%s", key);
252 wattroff(win, COLOR_PAIR(pair));
253 wprintw(footer, ":%s", desc);
254}
255
256void update_footer()
257{
258 sem_wait(&update_display_sem);
259 werase(footer);
260 wmove(footer, 1, 1);
261 print_key(footer, "F2", "CPUtop ", current_view == cpu);
262 print_key(footer, "F3", "PerfTop ", current_view == perf);
e7be7d41 263 print_key(footer, "F4", "IOTop ", current_view == iostream);
1fc22eb4 264 print_key(footer, "Enter", "Details ", current_view == process_details);
635dc837 265 print_key(footer, "Space", "Highlight ", 0);
1fc22eb4
JD		 266 print_key(footer, "q", "Quit | ", 0);
267 print_key(footer, "P", "Perf Pref ", 0);
268 print_key(footer, "p", "Pause ", toggle_pause);
269
270 wrefresh(footer);
271 sem_post(&update_display_sem);
272}
273
274void basic_header()
275{
276 werase(header);
277 box(header, 0 , 0);
278 set_window_title(header, "Statistics for interval [gathering data...[");
279 wattron(header, A_BOLD);
280 mvwprintw(header, 1, 4, "CPUs");
e05a35a6 281 mvwprintw(header, 2, 4, "Threads");
dc8f04dd 282 mvwprintw(header, 3, 4, "FDs");
1fc22eb4
JD		 283 wattroff(header, A_BOLD);
284 wrefresh(header);
285}
286
91be6bb5
JD		 287struct tm format_timestamp(uint64_t timestamp)
288{
289 struct tm tm;
290 uint64_t ts_sec = 0, ts_nsec;
291 time_t time_s;
292
293 ts_nsec = timestamp;
294 ts_sec += ts_nsec / NSEC_PER_SEC;
295 ts_nsec = ts_nsec % NSEC_PER_SEC;
296
297 time_s = (time_t) ts_sec;
298
299 localtime_r(&time_s, &tm);
300
301 return tm;
302}
303
69362330
JD		 304static void scale_unit(uint64_t bytes, char *ret)
305{
306 if (bytes >= 1000000000)
307 sprintf(ret, "%" PRIu64 "G", bytes/1000000000);
308 if (bytes >= 1000000)
309 sprintf(ret, "%" PRIu64 "M", bytes/1000000);
310 else if (bytes >= 1000)
311 sprintf(ret, "%" PRIu64 "K", bytes/1000);
312 else
313 sprintf(ret, "%" PRIu64, bytes);
314}
315uint64_t total_io()
316{
317 int i;
318 struct processtop *tmp;
319 uint64_t total = 0;
320
321 for (i = 0; i < data->process_table->len; i++) {
322 tmp = g_ptr_array_index(data->process_table, i);
323 total += tmp->fileread;
324 total += tmp->filewrite;
325 }
326
327 return total;
328}
329
1fc22eb4
JD		 330void update_header()
331{
91be6bb5
JD		 332 struct tm start, end;
333 uint64_t ts_nsec_start, ts_nsec_end;
69362330 334 char io[4];
91be6bb5
JD		 335
336 ts_nsec_start = data->start % NSEC_PER_SEC;
337 start = format_timestamp(data->start);
338
339 ts_nsec_end = data->end % NSEC_PER_SEC;
340 end = format_timestamp(data->end);
341
1fc22eb4
JD		 342 werase(header);
343 box(header, 0 , 0);
344 set_window_title(header, "Statistics for interval ");
345 wattron(header, A_BOLD);
91be6bb5
JD		 346
347 wprintw(header, "[%02d:%02d:%02d.%09" PRIu64 ", %02d:%02d:%02d.%09" PRIu64 "[",
348 start.tm_hour, start.tm_min, start.tm_sec, ts_nsec_start,
349 end.tm_hour, end.tm_min, end.tm_sec, ts_nsec_end);
1fc22eb4
JD		 350 mvwprintw(header, 1, 4, "CPUs");
351 wattroff(header, A_BOLD);
352 wprintw(header, "\t%d\t(max/cpu : %0.2f%)", data->cpu_table->len,
353 100.0/data->cpu_table->len);
e05a35a6 354 print_headers(2, "Threads", data->nbthreads, data->nbnewthreads,
1fc22eb4 355 -1*(data->nbdeadthreads));
dc8f04dd 356 print_headers(3, "FDs", data->nbfiles, data->nbnewfiles,
1fc22eb4 357 -1*(data->nbclosedfiles));
69362330
JD		 358 scale_unit(total_io(), io);
359 mvwprintw(header, 3, 43, "%sB/sec", io);
1fc22eb4
JD		 360 wrefresh(header);
361}
362
363gint sort_by_cpu_desc(gconstpointer p1, gconstpointer p2)
364{
365 struct processtop *n1 = *(struct processtop **)p1;
366 struct processtop *n2 = *(struct processtop **)p2;
367 unsigned long totaln1 = n1->totalcpunsec;
368 unsigned long totaln2 = n2->totalcpunsec;
369
370 if (totaln1 < totaln2)
371 return 1;
372 if (totaln1 == totaln2)
373 return 0;
374 return -1;
375}
376
377gint sort_by_cpu_group_by_threads_desc(gconstpointer p1, gconstpointer p2)
378{
379 struct processtop *n1 = *(struct processtop **)p1;
380 struct processtop *n2 = *(struct processtop **)p2;
381 unsigned long totaln1 = n1->threadstotalcpunsec;
382 unsigned long totaln2 = n2->threadstotalcpunsec;
383
384 if (totaln1 < totaln2)
385 return 1;
386 if (totaln1 == totaln2)
387 return 0;
388 return -1;
389}
390
391void update_cputop_display()
392{
393 int i;
394 int header_offset = 2;
395 struct processtop *tmp;
396 unsigned long elapsed;
397 double maxcputime;
398 int nblinedisplayed = 0;
399 int current_line = 0;
400
401 elapsed = data->end - data->start;
402 maxcputime = elapsed * data->cpu_table->len / 100.0;
403
404 g_ptr_array_sort(data->process_table, sort_by_cpu_desc);
405
406 set_window_title(center, "CPU Top");
407 wattron(center, A_BOLD);
408 mvwprintw(center, 1, 1, "CPU(%)");
409 mvwprintw(center, 1, 12, "TGID");
410 mvwprintw(center, 1, 22, "PID");
411 mvwprintw(center, 1, 32, "NAME");
412 wattroff(center, A_BOLD);
413
dc8f04dd 414 max_center_lines = LINES - 5 - 7 - 1 - header_offset;
1fc22eb4
JD		 415
416 /* iterate the process (thread) list */
417 for (i = list_offset; i < data->process_table->len &&
418 nblinedisplayed < max_center_lines; i++) {
419 tmp = g_ptr_array_index(data->process_table, i);
420
635dc837
JD		 421 if (process_selected(tmp)) {
422 wattron(center, COLOR_PAIR(6));
423 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
424 }
1fc22eb4
JD		 425 if (current_line == selected_line) {
426 selected_process = tmp;
1fc22eb4
JD		 427 wattron(center, COLOR_PAIR(5));
428 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
429 }
430 /* CPU(%) */
431 mvwprintw(center, current_line + header_offset, 1, "%1.2f",
432 tmp->totalcpunsec / maxcputime);
433 /* TGID */
434 mvwprintw(center, current_line + header_offset, 12, "%d", tmp->pid);
435 /* PID */
436 mvwprintw(center, current_line + header_offset, 22, "%d", tmp->tid);
437 /* NAME */
438 mvwprintw(center, current_line + header_offset, 32, "%s", tmp->comm);
635dc837 439 wattroff(center, COLOR_PAIR(6));
1fc22eb4
JD		 440 wattroff(center, COLOR_PAIR(5));
441 nblinedisplayed++;
442 current_line++;
443 }
444}
445
446gint sort_perf(gconstpointer p1, gconstpointer p2, gpointer key)
447{
448 struct processtop *n1 = *(struct processtop **) p1;
449 struct processtop *n2 = *(struct processtop **) p2;
450
451 struct perfcounter *tmp1, *tmp2;
452 unsigned long totaln2 = 0;
453 unsigned long totaln1 = 0;
454
455 if (!key)
456 return 0;
457
458 tmp1 = g_hash_table_lookup(n1->perf, key);
459 if (!tmp1)
460 totaln1 = 0;
461 else
462 totaln1 = tmp1->count;
463
464 tmp2 = g_hash_table_lookup(n2->perf, key);
465 if (!tmp2)
466 totaln2 = 0;
467 else
468 totaln2 = tmp2->count;
469
470 if (totaln1 < totaln2)
471 return 1;
472 if (totaln1 == totaln2) {
473 totaln1 = n1->tid;
474 totaln2 = n2->tid;
475 if (totaln1 < totaln2)
476 return 1;
477 return -1;
478 }
479 return -1;
480}
481
482void print_key_title(char *key, int line)
483{
484 wattron(center, A_BOLD);
485 mvwprintw(center, line, 1, "%s\t", key);
486 wattroff(center, A_BOLD);
487}
488
489void update_process_details()
490{
491 unsigned long elapsed;
492 double maxcputime;
635dc837
JD		 493 struct processtop *tmp = find_process_tid(data,
494 selected_process->tid,
495 selected_process->comm);
b093de8a
MB		 496 struct files *file_tmp;
497 int i, j = 0;
69362330 498 char unit[4];
1fc22eb4
JD		 499
500 set_window_title(center, "Process details");
501
502
503 elapsed = data->end - data->start;
504 maxcputime = elapsed * data->cpu_table->len / 100.0;
505
506 print_key_title("Name", 1);
635dc837 507 wprintw(center, "%s", tmp->comm);
1fc22eb4 508 print_key_title("TID", 2);
635dc837 509 wprintw(center, "%d", tmp->tid);
1fc22eb4
JD		 510 if (!tmp) {
511 print_key_title("Does not exit at this time", 3);
512 return;
513 }
514
515 print_key_title("PID", 3);
516 wprintw(center, "%d", tmp->pid);
517 print_key_title("PPID", 4);
518 wprintw(center, "%d", tmp->ppid);
519 print_key_title("CPU", 5);
520 wprintw(center, "%1.2f %%", tmp->totalcpunsec/maxcputime);
b093de8a
MB		 521
522 print_key_title("READ B/s", 6);
69362330
JD		 523 scale_unit(tmp->fileread, unit);
524 wprintw(center, "%s", unit);
b093de8a
MB		 525
526 print_key_title("WRITE B/s", 7);
69362330
JD		 527 scale_unit(tmp->filewrite, unit);
528 wprintw(center, "%s", unit);
b093de8a 529
93d80d35
JD		 530 wattron(center, A_BOLD);
531 mvwprintw(center, 8, 1, "FD");
69362330
JD		 532 mvwprintw(center, 8, 10, "READ");
533 mvwprintw(center, 8, 17, "WRITE");
534 mvwprintw(center, 8, 24, "FILENAME");
93d80d35
JD		 535 wattroff(center, A_BOLD);
536
b093de8a
MB		 537 for (i = 0; i < tmp->process_files_table->len; i++) {
538 file_tmp = get_file(tmp, i);
539 if (file_tmp != NULL) {
93d80d35 540 mvwprintw(center, 9 + j, 1, "%d", i);
69362330
JD		 541 scale_unit(file_tmp->read, unit);
542 mvwprintw(center, 9 + j, 10, "%s", unit);
543 scale_unit(file_tmp->write, unit);
544 mvwprintw(center, 9 + j, 17, "%s", unit);
545 mvwprintw(center, 9 + j, 24, "%s", file_tmp->name);
b093de8a
MB		 546 j++;
547 }
548 }
1fc22eb4
JD		 549}
550
551void update_perf()
552{
bb053abb 553 int i;
1fc22eb4
JD		 554 int nblinedisplayed = 0;
555 int current_line = 0;
556 struct processtop *tmp;
557 int header_offset = 2;
558 int perf_row = 40;
559 struct perfcounter *perfn1, *perfn2;
1fc22eb4
JD		 560 char *perf_key = NULL;
561 int value;
85db4618
JD		 562 GHashTableIter iter;
563 gpointer key;
1fc22eb4
JD		 564
565 set_window_title(center, "Perf Top");
566 wattron(center, A_BOLD);
567 mvwprintw(center, 1, 1, "PID");
568 mvwprintw(center, 1, 11, "TID");
569 mvwprintw(center, 1, 22, "NAME");
570
571 perf_row = 40;
85db4618
JD		 572 g_hash_table_iter_init(&iter, data->perf_list);
573 while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfn1)) {
1fc22eb4 574 if (perfn1->visible) {
6419078d 575 /* + 5 to strip the "perf_" prefix */
1fc22eb4 576 mvwprintw(center, 1, perf_row, "%s",
6419078d 577 (char *) key + 5);
1fc22eb4
JD		 578 perf_row += 20;
579 }
580 if (perfn1->sort) {
85db4618 581 perf_key = (char *) key;
1fc22eb4 582 }
1fc22eb4 583 }
85db4618 584
1fc22eb4
JD		 585 wattroff(center, A_BOLD);
586
587 g_ptr_array_sort_with_data(data->process_table, sort_perf, perf_key);
85db4618 588
91be6bb5 589 for (i = 0; i < data->process_table->len &&
1fc22eb4 590 nblinedisplayed < max_center_lines; i++) {
1fc22eb4
JD		 591 tmp = g_ptr_array_index(data->process_table, i);
592
635dc837
JD		 593 if (process_selected(tmp)) {
594 wattron(center, COLOR_PAIR(6));
595 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
596 }
1fc22eb4
JD		 597 if (current_line == selected_line) {
598 selected_process = tmp;
599 wattron(center, COLOR_PAIR(5));
600 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
601 }
602
603 mvwprintw(center, current_line + header_offset, 1, "%d", tmp->pid);
604 mvwprintw(center, current_line + header_offset, 11, "%d", tmp->tid);
605 mvwprintw(center, current_line + header_offset, 22, "%s", tmp->comm);
606
85db4618 607 g_hash_table_iter_init(&iter, data->perf_list);
1fc22eb4
JD		 608
609 perf_row = 40;
85db4618 610 while (g_hash_table_iter_next (&iter, &key, (gpointer) &perfn1)) {
1fc22eb4 611 if (perfn1->visible) {
85db4618 612 perfn2 = g_hash_table_lookup(tmp->perf, (char *) key);
1fc22eb4
JD		 613 if (perfn2)
614 value = perfn2->count;
615 else
616 value = 0;
b093de8a
MB		 617 mvwprintw(center, current_line + header_offset,
618 perf_row, "%d", value);
1fc22eb4
JD		 619 perf_row += 20;
620 }
1fc22eb4
JD		 621 }
622
635dc837 623 wattroff(center, COLOR_PAIR(6));
1fc22eb4
JD		 624 wattroff(center, COLOR_PAIR(5));
625 nblinedisplayed++;
626 current_line++;
627 }
628}
629
1fc22eb4
JD		 630gint sort_by_ret_desc(gconstpointer p1, gconstpointer p2)
631{
632 struct processtop *n1 = *(struct processtop **)p1;
633 struct processtop *n2 = *(struct processtop **)p2;
b093de8a
MB		 634
635 unsigned long totaln1 = n1->totalfileread + n1->totalfilewrite;
636 unsigned long totaln2 = n2->totalfileread + n2->totalfilewrite;
1fc22eb4
JD		 637
638 if (totaln1 < totaln2)
639 return 1;
640 if (totaln1 == totaln2)
641 return 0;
642 return -1;
643}
644
645void update_iostream()
646{
647 int i;
648 int header_offset = 2;
649 struct processtop *tmp;
650 int nblinedisplayed = 0;
651 int current_line = 0;
b093de8a 652 int total = 0;
69362330 653 char unit[4];
1fc22eb4
JD		 654
655 set_window_title(center, "IO Top");
656 wattron(center, A_BOLD);
69362330
JD		 657 mvwprintw(center, 1, 1, "PID");
658 mvwprintw(center, 1, 11, "TID");
659 mvwprintw(center, 1, 22, "NAME");
660 mvwprintw(center, 1, 40, "R (B/sec)");
661 mvwprintw(center, 1, 52, "W (B/sec)");
662 mvwprintw(center, 1, 64, "Total");
1fc22eb4
JD		 663 wattroff(center, A_BOLD);
664
665 g_ptr_array_sort(data->process_table, sort_by_ret_desc);
666
667 for (i = list_offset; i < data->process_table->len &&
668 nblinedisplayed < max_center_lines; i++) {
669 tmp = g_ptr_array_index(data->process_table, i);
670
635dc837
JD		 671 if (process_selected(tmp)) {
672 wattron(center, COLOR_PAIR(6));
673 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
674 }
1fc22eb4
JD		 675 if (current_line == selected_line) {
676 selected_process = tmp;
1fc22eb4
JD		 677 wattron(center, COLOR_PAIR(5));
678 mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
679 }
69362330
JD		 680 /* TGID */
681 mvwprintw(center, current_line + header_offset, 1, "%d", tmp->pid);
682 /* PID */
683 mvwprintw(center, current_line + header_offset, 11, "%d", tmp->tid);
684 /* NAME */
685 mvwprintw(center, current_line + header_offset, 22, "%s", tmp->comm);
b093de8a 686
1fc22eb4 687 /* READ (bytes/sec) */
69362330
JD		 688 scale_unit(tmp->fileread, unit);
689 mvwprintw(center, current_line + header_offset, 40, "%s", unit);
1fc22eb4
JD		 690
691 /* WRITE (bytes/sec) */
69362330
JD		 692 scale_unit(tmp->filewrite, unit);
693 mvwprintw(center, current_line + header_offset, 52, "%s", unit);
1fc22eb4
JD		 694
695 /* TOTAL STREAM */
b093de8a
MB		 696 total = tmp->totalfileread + tmp->totalfilewrite;
697
69362330
JD		 698 scale_unit(total, unit);
699 mvwprintw(center, current_line + header_offset, 64, "%s", unit);
b093de8a 700
635dc837 701 wattroff(center, COLOR_PAIR(6));
1fc22eb4
JD		 702 wattroff(center, COLOR_PAIR(5));
703 nblinedisplayed++;
704 current_line++;
705 }
706}
707
708void update_current_view()
709{
710 sem_wait(&update_display_sem);
711 if (!data)
712 return;
713 update_header();
714
715 werase(center);
716 box(center, 0, 0);
717 switch (current_view) {
718 case cpu:
719 update_cputop_display();
720 break;
721 case perf:
722 update_perf();
723 break;
724 case process_details:
725 update_process_details();
726 break;
1fc22eb4
JD		 727 case iostream:
728 update_iostream();
729 break;
730 case tree:
731 update_cputop_display();
732 break;
733 default:
734 break;
735 }
736 update_panels();
737 doupdate();
738 sem_post(&update_display_sem);
739}
740
741void setup_perf_panel()
742{
743 int size;
744 if (!data)
745 return;
746 if (perf_panel_window) {
747 del_panel(perf_panel);
748 delwin(perf_panel_window);
749 }
750 size = g_hash_table_size(data->perf_list);
751 perf_panel_window = create_window(size + 2, 30, 10, 10);
752 perf_panel = new_panel(perf_panel_window);
753 perf_panel_visible = 0;
754 hide_panel(perf_panel);
755}
756
757void update_perf_panel(int line_selected, int toggle_view, int toggle_sort)
758{
759 int i;
760 struct perfcounter *perf;
761 GList *perflist;
762
763 if (!data)
764 return;
765
766 werase(perf_panel_window);
767 box(perf_panel_window, 0 , 0);
768 set_window_title(perf_panel_window, "Perf Preferences ");
769 wattron(perf_panel_window, A_BOLD);
b093de8a
MB		 770 mvwprintw(perf_panel_window, g_hash_table_size(data->perf_list) + 1, 1,
771 " 's' to sort");
1fc22eb4
JD		 772 wattroff(perf_panel_window, A_BOLD);
773
774 if (toggle_sort == 1) {
775 i = 0;
776 perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
777 while (perflist) {
778 perf = g_hash_table_lookup(data->perf_list, perflist->data);
779 if (i != line_selected)
780 perf->sort = 0;
781 else
782 perf->sort = 1;
783 i++;
784 perflist = g_list_next(perflist);
785 }
786 update_current_view();
787 }
788
789 i = 0;
790 perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
791 while (perflist) {
792 perf = g_hash_table_lookup(data->perf_list, perflist->data);
793 if (i == line_selected && toggle_view == 1) {
794 perf->visible = perf->visible == 1 ? 0:1;
795 update_current_view();
796 }
797 if (i == line_selected) {
798 wattron(perf_panel_window, COLOR_PAIR(5));
799 mvwhline(perf_panel_window, i + 1, 1, ' ', 30 - 2);
800 }
801 if (perf->sort == 1)
802 wattron(perf_panel_window, A_BOLD);
803 mvwprintw(perf_panel_window, i + 1, 1, "[%c] %s",
804 perf->visible == 1 ? 'x' : ' ',
b8a1df45 805 (char *) perflist->data + 5);
1fc22eb4
JD		 806 wattroff(perf_panel_window, A_BOLD);
807 wattroff(perf_panel_window, COLOR_PAIR(5));
808 i++;
809 perflist = g_list_next(perflist);
810 }
811 update_panels();
812 doupdate();
813}
814
1fc22eb4
JD		 815void toggle_perf_panel(void)
816{
817 if (perf_panel_visible) {
818 hide_panel(perf_panel);
819 perf_panel_visible = 0;
820 } else {
821 setup_perf_panel();
822 update_perf_panel(perf_line_selected, 0, 0);
823 show_panel(perf_panel);
824 perf_panel_visible = 1;
825 }
826 update_panels();
827 doupdate();
828}
829
830void display(unsigned int index)
831{
832 last_display_index = index;
833 currently_displayed_index = index;
834 data = g_ptr_array_index(copies, index);
835 if (!data)
836 return;
837 max_elements = data->process_table->len;
838 update_current_view();
839 update_footer();
840 update_panels();
841 doupdate();
842}
843
844void pause_display()
845{
846 toggle_pause = 1;
847 print_log("Pause");
848 sem_wait(&pause_sem);
849}
850
851void resume_display()
852{
853 toggle_pause = -1;
854 print_log("Resume");
855 sem_post(&pause_sem);
856}
857
858void *handle_keyboard(void *p)
859{
860 int ch;
861 while((ch = getch())) {
862 switch(ch) {
863 /* Move the cursor and scroll */
864 case KEY_DOWN:
865 if (perf_panel_visible) {
866 if (perf_line_selected < g_hash_table_size(data->perf_list) - 1)
867 perf_line_selected++;
868 update_perf_panel(perf_line_selected, 0, 0);
869 } else {
870 if (selected_line < (max_center_lines - 1) &&
871 selected_line < max_elements - 1) {
872 selected_line++;
873 selected_in_list++;
874 } else if (selected_in_list < (max_elements - 1)
875 && (list_offset < (max_elements - max_center_lines))) {
876 selected_in_list++;
877 list_offset++;
878 }
879 update_current_view();
880 }
881 break;
882 case KEY_NPAGE:
1fc22eb4
JD		 883 break;
884 case KEY_UP:
885 if (perf_panel_visible) {
886 if (perf_line_selected > 0)
887 perf_line_selected--;
888 update_perf_panel(perf_line_selected, 0, 0);
889 } else {
890 if (selected_line > 0) {
891 selected_line--;
892 selected_in_list--;
893 } else if (selected_in_list > 0 && list_offset > 0) {
894 selected_in_list--;
895 list_offset--;
896 }
897 update_current_view();
898 }
899 break;
900 case KEY_PPAGE:
1fc22eb4
JD		 901 break;
902
903 /* Navigate the history with arrows */
904 case KEY_LEFT:
905 if (currently_displayed_index > 0) {
906 currently_displayed_index--;
907 print_log("Going back in time");
908 } else {
909 print_log("Cannot rewind, last data is already displayed");
910 }
911 data = g_ptr_array_index(copies, currently_displayed_index);
912 max_elements = data->process_table->len;
913
914 /* we force to pause the display when moving in time */
915 if (toggle_pause < 0)
916 pause_display();
917
918 update_current_view();
919 update_footer();
920 break;
921 case KEY_RIGHT:
922 if (currently_displayed_index < last_display_index) {
923 currently_displayed_index++;
924 print_log("Going forward in time");
925 data = g_ptr_array_index(copies, currently_displayed_index);
926 max_elements = data->process_table->len;
927 update_current_view();
928 update_footer();
929 } else {
930 print_log("Manually moving forward");
931 sem_post(&timer);
932 /* we force to resume the refresh when moving forward */
933 if (toggle_pause > 0)
934 resume_display();
935 }
936
937 break;
938 case ' ':
635dc837 939 if (perf_panel_visible) {
1fc22eb4 940 update_perf_panel(perf_line_selected, 1, 0);
635dc837
JD		 941 } else {
942 update_selected_processes();
943 update_current_view();
944 }
1fc22eb4
JD		 945 break;
946 case 's':
947 if (perf_panel_visible)
948 update_perf_panel(perf_line_selected, 0, 1);
949 break;
950
951 case 13: /* FIXME : KEY_ENTER ?? */
041aa219
JD		 952 if (current_view != process_details) {
953 previous_view = current_view;
1fc22eb4 954 current_view = process_details;
041aa219
JD		 955 } else {
956 current_view = previous_view;
957 previous_view = process_details;
1fc22eb4
JD		 958 }
959 update_current_view();
960 break;
961
962 case KEY_F(1):
1fc22eb4 963 current_view = cpu;
af54ebcf 964 selected_line = 0;
1fc22eb4
JD		 965 update_current_view();
966 break;
967 case KEY_F(2):
968 current_view = cpu;
af54ebcf 969 selected_line = 0;
1fc22eb4
JD		 970 update_current_view();
971 break;
972 case KEY_F(3):
973 current_view = perf;
af54ebcf 974 selected_line = 0;
1fc22eb4
JD		 975 update_current_view();
976 break;
977 case KEY_F(4):
1fc22eb4 978 current_view = iostream;
af54ebcf 979 selected_line = 0;
1fc22eb4
JD		 980 update_current_view();
981 break;
982 case KEY_F(10):
983 case 'q':
984 reset_ncurses();
985 break;
986 case 't':
987 toggle_threads *= -1;
988 update_current_view();
989 break;
990 case 'p':
991 if (toggle_pause < 0) {
992 pause_display();
993 } else {
994 resume_display();
995 }
996 break;
997 case 'P':
998 toggle_perf_panel();
999 break;
1000 default:
b093de8a
MB		 1001 if (data)
1002 update_current_view();
1fc22eb4
JD		 1003 break;
1004 }
1005 update_footer();
1006 }
1007 return NULL;
1008}
1009
1010void init_ncurses()
1011{
635dc837 1012 selected_processes = g_ptr_array_new();
1fc22eb4
JD		 1013 sem_init(&update_display_sem, 0, 1);
1014 init_screen();
1015
dc8f04dd
JD		 1016 header = create_window(5, COLS - 1, 0, 0);
1017 center = create_window(LINES - 5 - 7, COLS - 1, 5, 0);
1fc22eb4
JD		 1018 status = create_window(MAX_LOG_LINES + 2, COLS - 1, LINES - 7, 0);
1019 footer = create_window(1, COLS - 1, LINES - 1, 0);
1020
1021 print_log("Starting display");
1022
1023 main_panel = new_panel(center);
1024 setup_perf_panel();
1025
1026 current_view = cpu;
1027
1028 basic_header();
1029 update_footer();
1030
1031 pthread_create(&keyboard_thread, NULL, handle_keyboard, (void *)NULL);
1032}
1033
LTTngTop ncurse top like application showing statistics
This page took 0.064908 seconds and 4 git commands to generate.