2 // Copyright (c) 2010-2019 Intel Corporation
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
19 #include <rte_cycles.h>
25 #include "display_latency.h"
26 #include "display_mempools.h"
27 #include "display_ports.h"
28 #include "display_priority.h"
29 #include "display_irq.h"
30 #include "display_latency_distr.h"
31 #include "display_rings.h"
32 #include "display_pkt_len.h"
33 #include "display_l4gen.h"
34 #include "display_tasks.h"
35 #include "stats_irq.h"
36 #include "stats_prio_task.h"
45 #include "stats_port.h"
46 #include "stats_latency.h"
47 #include "stats_global.h"
48 #include "stats_core.h"
50 #include "prox_assert.h"
53 #include "prox_port_cfg.h"
55 static struct screen_state screen_state = {
60 static struct display_screen *display_screens[16];
61 static struct display_screen *current_screen;
62 static size_t n_screens;
63 static size_t longest_title;
65 void display_set_pps_unit(int val)
67 screen_state.pps_unit = val;
70 /* Set up the display mutex as recursive. This enables threads to use
71 display_[un]lock() to lock the display when multiple calls to for
72 instance plog_info() need to be made. */
73 static pthread_mutex_t disp_mtx = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
75 static void stats_display_layout(uint8_t in_place);
77 void display_lock(void)
79 pthread_mutex_lock(&disp_mtx);
82 void display_unlock(void)
84 pthread_mutex_unlock(&disp_mtx);
87 /* Advanced text output */
88 static WINDOW *scr = NULL, *win_txt, *win_general, *win_cmd, *win_stat, *win_title, *win_tabs, *win_help;
89 static int win_txt_height = 1;
92 static uint16_t max_n_lines;
94 static int cmd_cursor_pos;
95 static const char *cmd_cmd;
98 /* Colors used in the interface */
118 int display_getch(void)
129 void display_cmd(const char *cmd, int cl, int cursor_pos)
132 if (cursor_pos == -1 || cursor_pos > cmd_len)
133 cursor_pos = cmd_len;
134 cmd_cursor_pos = cursor_pos;
139 if (cursor_pos < cmd_len) {
140 waddnstr(win_cmd, cmd, cursor_pos);
141 wbkgdset(win_cmd, COLOR_PAIR(YELLOW_ON_BLACK));
142 waddnstr(win_cmd, cmd + cursor_pos, 1);
143 wbkgdset(win_cmd, COLOR_PAIR(BLACK_ON_YELLOW));
144 waddnstr(win_cmd, cmd + cursor_pos + 1, cmd_len - (cursor_pos + 1));
147 waddnstr(win_cmd, cmd, cmd_len);
148 wmove(win_cmd, cursor_pos, 0);
149 wbkgdset(win_cmd, COLOR_PAIR(YELLOW_ON_BLACK));
150 waddstr(win_cmd, " ");
151 wbkgdset(win_cmd, COLOR_PAIR(BLACK_ON_YELLOW));
154 wattroff(win_stat, A_UNDERLINE);
159 static void refresh_cmd_win(void)
161 display_cmd(cmd_cmd, cmd_len, cmd_cursor_pos);
164 static WINDOW *create_subwindow(int height, int width, int y_pos, int x_pos)
166 WINDOW *win = subwin(scr, height, width, y_pos, x_pos);
171 /* The limit parameter sets the last column that something can be
172 printed. If characters would be printed _past_ the limit, the last
173 character printed within the limit will be a '~' to signify that
174 the string cut off. The limit parameter will be ignored if its
176 static inline int mvwaddstrv(WINDOW *win, int y, int x, int limit, const char *fmt, va_list ap)
181 ret = vsnprintf(buf, sizeof(buf), fmt, ap);
189 /* To prevent strings from wrapping, cut the string at the end
191 if (x + len > COLS) {
192 buf[COLS - 1 - x] = 0;
196 if (limit != -1 && x + len > limit) {
197 int new_len = limit - x;
202 buf[new_len + 1] = 0;
209 /* Format string capable [mv]waddstr() wrappers */
210 __attribute__((format(printf, 4, 5))) static inline int mvwaddstrf(WINDOW* win, int y, int x, const char *fmt, ...)
216 ret = mvwaddstrv(win, y, x, -1, fmt, ap);
221 __attribute__((format(printf, 5, 6))) static inline int mvwaddstrf_limit(WINDOW* win, int y, int x, int limit, const char *fmt, ...)
227 ret = mvwaddstrv(win, y, x, limit, fmt, ap);
232 // red: link down; Green: link up
233 static short link_color(const uint8_t if_port)
235 return COLOR_PAIR(prox_port_cfg[if_port].link_up? GREEN_ON_NOTHING : RED_ON_NOTHING);
238 static void (*ncurses_sigwinch)(int);
240 static void sigwinch(int in)
242 if (ncurses_sigwinch)
243 ncurses_sigwinch(in);
245 stats_display_layout(0);
248 static void set_signal_handler(void)
250 struct sigaction old;
252 sigaction(SIGWINCH, NULL, &old);
253 ncurses_sigwinch = old.sa_handler;
255 signal(SIGWINCH, sigwinch);
258 void display_column_port_ring(const struct display_column *display_column, int row, struct port_queue *ports, int port_count, struct rte_ring **rings, int ring_count)
260 if (row >= max_n_lines)
263 int pos = display_column->offset;
264 int limit = pos + display_column->width;
266 for (int i = 0; i < port_count && pos < limit; i++) {
267 wbkgdset(win_stat, link_color(ports[i].port));
268 pos += mvwaddstrf_limit(win_stat, row + 2, pos, limit, "%u", ports[i].port);
269 wbkgdset(win_stat, COLOR_PAIR(NO_COLOR));
271 if (i != port_count - 1)
272 pos += mvwaddstrf_limit(win_stat, row + 2, pos, limit, " ");
275 for (uint8_t ring_id = 0; ring_id < ring_count && pos < limit; ++ring_id) {
276 pos += mvwaddstrf_limit(win_stat, row + 2, pos, limit, "%s", rings[ring_id]->name);
280 static void display_add_screen(struct display_screen *screen)
282 display_screens[n_screens++] = screen;
283 if (longest_title < strlen(screen->title))
284 longest_title = strlen(screen->title);
287 static void display_init_screens(void)
292 display_add_screen(display_tasks());
293 display_add_screen(display_ports());
294 display_add_screen(display_mempools());
295 display_add_screen(display_latency());
296 #ifdef LATENCY_HISTOGRAM
297 display_add_screen(display_latency_distr());
299 display_add_screen(display_rings());
300 display_add_screen(display_l4gen());
301 display_add_screen(display_pkt_len());
302 if (stats_get_n_prio_tasks_tot())
303 display_add_screen(display_priority());
304 if (stats_get_n_irq_tasks())
305 display_add_screen(display_irq());
308 void display_init(void)
312 /* Assign default foreground/background colors to color number -1 */
313 use_default_colors();
315 init_pair(NO_COLOR, -1, -1);
316 init_pair(RED_ON_BLACK, COLOR_RED, COLOR_BLACK);
317 init_pair(BLACK_ON_CYAN, COLOR_BLACK, COLOR_CYAN);
318 init_pair(BLACK_ON_GREEN, COLOR_BLACK, COLOR_GREEN);
319 init_pair(BLACK_ON_WHITE, COLOR_BLACK, COLOR_WHITE);
320 init_pair(BLACK_ON_YELLOW, COLOR_BLACK, COLOR_YELLOW);
321 init_pair(YELLOW_ON_BLACK, COLOR_YELLOW, COLOR_BLACK);
322 init_pair(WHITE_ON_RED, COLOR_WHITE, COLOR_RED);
323 init_pair(YELLOW_ON_NOTHING, COLOR_YELLOW, -1);
324 init_pair(GREEN_ON_NOTHING, COLOR_GREEN, -1);
325 init_pair(RED_ON_NOTHING, COLOR_RED, -1);
326 init_pair(BLUE_ON_NOTHING, COLOR_BLUE, -1);
327 init_pair(CYAN_ON_NOTHING, COLOR_CYAN, -1);
328 init_pair(MAGENTA_ON_NOTHING, COLOR_MAGENTA, -1);
329 init_pair(WHITE_ON_NOTHING, COLOR_WHITE, -1);
330 /* nodelay(scr, TRUE); */
333 /* Create fullscreen log window. When stats are displayed
334 later, it is recreated with appropriate dimensions. */
335 win_txt = create_subwindow(0, 0, 0, 0);
336 wbkgd(win_txt, COLOR_PAIR(0));
338 idlok(win_txt, FALSE);
340 scrollok(win_txt, TRUE);
341 /* Leave cursor where it was */
342 leaveok(win_txt, TRUE);
346 set_signal_handler();
348 max_n_lines = (LINES - 5 - 2 - 3);
349 /* core_port_height = max_n_lines < stats_get_n_tasks_tot()? max_n_lines : stats_get_n_tasks_tot(); */
351 display_init_screens();
353 stats_display_layout(0);
356 static void display_page_recalc_offsets(struct display_page *display_page)
358 struct display_table *table;
359 struct display_column *col;
360 int total_offset = 0;
362 for (int i = 0; i < display_page->n_tables; ++i) {
363 table = &display_page->tables[i];
367 table->offset = total_offset;
368 for (int j = 0; j < table->n_cols; ++j) {
369 col = &table->cols[j];
370 col->offset = total_offset;
371 if (j + 1 != table->n_cols)
373 total_offset += col->width;
375 table->width = total_offset - table->offset;
379 void display_page_init(struct display_page *display_page)
381 struct display_table *table;
382 struct display_column *col;
384 int table_offset = 0;
386 memset(display_page, 0, sizeof(*display_page));
387 display_page->n_tables = 0;
388 for (size_t i = 0; i < sizeof(display_page->tables)/sizeof(display_page->tables[0]); ++i) {
389 table = &display_page->tables[i];
390 for (size_t j = 0; j < sizeof(table->cols)/sizeof(table->cols[0]); ++j) {
391 col = &table->cols[j];
392 col->display_page = display_page;
397 struct display_table *display_page_add_table(struct display_page *display_page)
399 struct display_table *table = &display_page->tables[display_page->n_tables];
401 display_page->n_tables++;
405 void display_table_init(struct display_table *table, const char *title)
407 strcpy(table->title, title);
411 struct display_column *display_table_add_col(struct display_table *table)
413 struct display_column *col = &table->cols[table->n_cols];
419 void display_column_init(struct display_column *display_column, const char *title, unsigned width)
421 if (width < strlen(title))
422 width = strlen(title);
424 strcpy(display_column->title, title);
425 display_column->width = width;
426 display_page_recalc_offsets(display_column->display_page);
429 int display_column_get_width(const struct display_column *display_column)
431 return display_column->width;
434 void display_page_draw_frame(const struct display_page *display_page, int height)
436 const struct display_table *table;
437 const struct display_column *col;
439 wattron(win_stat, A_BOLD);
440 wbkgdset(win_stat, COLOR_PAIR(YELLOW_ON_NOTHING));
442 for (int i = 0; i < display_page->n_tables; ++i) {
443 table = &display_page->tables[i];
446 mvwvline(win_stat, 0, table->offset - 1, ACS_VLINE, height + 2);
448 mvwaddstrf(win_stat, 0, table->offset + table->width / 2 - strlen(table->title) / 2, "%s", table->title);
449 for (int j = 0; j < table->n_cols; ++j) {
450 col = &table->cols[j];
453 mvwvline(win_stat, 1, col->offset - 1, ACS_VLINE, height + 1);
454 mvwaddstrf(win_stat, 1, col->offset + col->width / 2 - strlen(col->title) / 2, "%s", col->title);
457 if (i + 1 == display_page->n_tables)
458 mvwvline(win_stat, 0, table->offset + table->width, ACS_VLINE, height + 2);
460 wbkgdset(win_stat, COLOR_PAIR(NO_COLOR));
461 wattroff(win_stat, A_BOLD);
464 void display_column_print(const struct display_column *display_column, int row, const char *fmt, ...)
466 if (row >= max_n_lines)
470 char buffer[128] = {0};
471 char *to_print = buffer + 64;
474 int len = vsnprintf(to_print, sizeof(buffer) - 64, fmt, ap);
478 /* If column is too long, add ~ at the end. If it is too
479 short, align on the right. */
480 if (len > display_column->width) {
481 to_print[display_column->width - 1] = '~';
482 to_print[display_column->width] = '\0';
484 int diff = display_column->width - len;
487 to_print -= display_column->width;
488 for (int i = 0; i < diff; i++)
492 mvwaddstrf(win_stat, row + 2, display_column->offset, "%s", to_print);
495 void display_column_print_core_task(const struct display_column *display_column, int row, struct lcore_cfg *lconf, struct task_args *targ)
497 if (row >= max_n_lines)
500 if (lconf->n_tasks_run == 0) {
501 wattron(win_stat, A_BOLD);
502 wbkgdset(win_stat, COLOR_PAIR(RED_ON_NOTHING));
505 mvwaddstrf(win_stat, row + 2, display_column->offset, "%2u/", lconf->id);
506 if (lconf->n_tasks_run == 0) {
507 wattroff(win_stat, A_BOLD);
508 wbkgdset(win_stat, COLOR_PAIR(NO_COLOR));
510 if (!lconf_task_is_running(lconf, targ->id)) {
511 wattron(win_stat, A_BOLD);
512 wbkgdset(win_stat, COLOR_PAIR(RED_ON_NOTHING));
514 mvwaddstrf(win_stat, row + 2, display_column->offset + 3, "%1u", targ->id);
515 if (!lconf_task_is_running(lconf, targ->id)) {
516 wattroff(win_stat, A_BOLD);
517 wbkgdset(win_stat, COLOR_PAIR(NO_COLOR));
521 static void redraw_tabs(unsigned screen_id)
523 const size_t len = longest_title + 1;
525 for (size_t i = 0; i < n_screens; ++i) {
527 wbkgdset(win_tabs, COLOR_PAIR(BLACK_ON_GREEN));
529 mvwaddstrf(win_tabs, 0, i*(len + 3), "%zu ", i+1);
531 wbkgdset(win_tabs, COLOR_PAIR(GREEN_ON_NOTHING));
532 mvwaddstrf(win_tabs, 0, i*(len + 3) + 2, "%s", display_screens[i]->title);
533 for (size_t j = strlen(display_screens[i]->title); j < len - 1; ++j)
534 mvwaddstrf(win_tabs, 0, i*(len + 3) + 2 + j, " ");
536 wbkgdset(win_tabs, COLOR_PAIR(NO_COLOR));
538 wbkgdset(win_tabs, COLOR_PAIR(NO_COLOR));
544 static void draw_title(void)
548 snprintf(title_str, sizeof(title_str), "%s %s: %s", PROGRAM_NAME, VERSION_STR(), prox_cfg.name);
550 wbkgd(win_title, COLOR_PAIR(BLACK_ON_GREEN));
551 title_len = strlen(title_str);
552 mvwaddstrf(win_title, 0, (COLS - title_len)/2, "%s", title_str);
554 redraw_tabs(screen_state.chosen_screen);
557 static void draw_general_frame(void)
559 if (screen_state.toggle == 0) {
560 wattron(win_general, A_BOLD);
561 wbkgdset(win_general, COLOR_PAIR(MAGENTA_ON_NOTHING));
562 mvwaddstrf(win_general, 0, 9, "rx: tx: diff: rx: tx: %%:");
563 mvwaddstrf(win_general, 1, 9, "rx: tx: err: rx: tx: err: %%:");
564 wbkgdset(win_general, COLOR_PAIR(NO_COLOR));
566 wbkgdset(win_general, COLOR_PAIR(BLUE_ON_NOTHING));
567 mvwaddstrf(win_general, 0, 0, "Host pps ");
568 mvwaddstrf(win_general, 1, 0, "NICs pps ");
570 wbkgdset(win_general, COLOR_PAIR(CYAN_ON_NOTHING));
571 mvwaddstrf(win_general, 0, 56, "avg");
572 mvwaddstrf(win_general, 1, 56, "avg");
573 wbkgdset(win_general, COLOR_PAIR(NO_COLOR));
574 wattroff(win_general, A_BOLD);
576 wattron(win_general, A_BOLD);
577 wbkgdset(win_general, COLOR_PAIR(BLUE_ON_NOTHING));
578 mvwaddstrf(win_general, 0, 9, "rx: tx: rx-tx: tx/rx: rx/tx:");
579 mvwaddstrf(win_general, 1, 9, "rx: tx: err: tx/rx: rx/tx:");
580 wbkgdset(win_general, COLOR_PAIR(NO_COLOR));
582 wbkgdset(win_general, COLOR_PAIR(CYAN_ON_NOTHING));
583 mvwaddstrf(win_general, 0, 0, "Host tot ");
584 mvwaddstrf(win_general, 1, 0, "NICs tot ");
585 wattroff(win_general, A_BOLD);
589 static void draw_status_bar(void)
591 wbkgd(win_help, COLOR_PAIR(BLACK_ON_WHITE));
593 mvwaddstrf(win_help, 0, 0,
594 "Enter 'help' or command, <ESC> or 'quit' to exit, "
595 "1-%zu to switch screens and 0 to reset stats, '=' to toggle between per-sec and total stats",
598 mvwin(win_help, LINES - 1, 0);
601 static void draw_log_window(void)
603 idlok(win_txt, FALSE);
605 scrollok(win_txt, TRUE);
607 /* Leave cursor where it was */
608 leaveok(win_txt, TRUE);
609 wbkgd(win_txt, COLOR_PAIR(BLACK_ON_CYAN));
613 static void stats_display_layout(uint8_t in_place)
615 uint8_t cur_stats_height;
617 cur_stats_height = current_screen->get_height();
618 cur_stats_height = cur_stats_height > max_n_lines? max_n_lines: cur_stats_height;
622 // moving existing windows does not work
635 win_stat = create_subwindow(cur_stats_height + 2, 0, 4, 0);
636 win_tabs = create_subwindow(1, 0, 1, 0);
637 win_general = create_subwindow(2, 0, 2, 0);
638 win_title = create_subwindow(1, 0, 0, 0);
639 win_cmd = create_subwindow(1, 0, cur_stats_height + 2 + 4, 0);
640 win_txt_height = LINES - cur_stats_height - 2 - 3 - 3;
641 win_txt = create_subwindow(win_txt_height, 0, cur_stats_height + 4 + 3, 0);
642 win_help = create_subwindow(1, 0, LINES - 1, 0);
646 draw_general_frame();
648 wbkgd(win_cmd, COLOR_PAIR(BLACK_ON_YELLOW));
649 idlok(win_cmd, FALSE);
650 /* Move cursor at insertion point */
651 leaveok(win_cmd, FALSE);
656 /* Draw everything to the screen */
658 current_screen->draw_frame(&screen_state);
665 void display_end(void)
667 pthread_mutex_destroy(&disp_mtx);
675 static void pps_print(WINDOW *dst_scr, int y, int x, uint64_t val, int is_blue)
677 uint64_t rx_pps_disp = val;
678 uint64_t rx_pps_disp_frac = 0;
679 uint32_t ten_pow3 = 0;
680 static const char *units = " KMG";
683 while (rx_pps_disp > 1000) {
685 rx_pps_disp_frac = (val - rx_pps_disp*1000) / 10;
690 if (ten_pow3 >= strlen(units)) {
691 wbkgdset(dst_scr, COLOR_PAIR(RED_ON_NOTHING));
692 mvwaddstrf(dst_scr, y, x, "---");
693 wbkgdset(dst_scr, COLOR_PAIR(NO_COLOR));
697 rx_unit = units[ten_pow3];
699 wattron(dst_scr, A_BOLD);
701 wbkgdset(dst_scr, COLOR_PAIR(BLUE_ON_NOTHING));
704 wbkgdset(dst_scr, COLOR_PAIR(CYAN_ON_NOTHING));
706 mvwaddstrf(dst_scr, y, x, "%3lu", rx_pps_disp);
707 if (rx_unit != ' ') {
708 mvwaddstrf(dst_scr, y, x + 3, ".%02lu", rx_pps_disp_frac);
709 wattroff(dst_scr, A_BOLD);
710 wbkgdset(dst_scr, COLOR_PAIR(WHITE_ON_NOTHING));
711 wattron(dst_scr, A_BOLD);
712 mvwaddstrf(dst_scr, y, x + 6, "%c", rx_unit);
713 wattroff(dst_scr, A_BOLD);
714 wbkgdset(dst_scr, COLOR_PAIR(NO_COLOR));
717 mvwaddstrf(dst_scr, y, x + 3, " ");
719 wattroff(dst_scr, A_BOLD);
720 wbkgdset(dst_scr, COLOR_PAIR(NO_COLOR));
723 static void display_stats_general_per_sec(void)
725 struct global_stats_sample *gsl = stats_get_global_stats(1);
726 struct global_stats_sample *gsp = stats_get_global_stats(0);
728 uint64_t rx_pps = val_to_rate(gsl->host_rx_packets - gsp->host_rx_packets, gsl->tsc - gsp->tsc);
729 uint64_t tx_pps = val_to_rate(gsl->host_tx_packets - gsp->host_tx_packets, gsl->tsc - gsp->tsc);
730 /* Host: RX, TX, Diff */
731 pps_print(win_general, 0, 12, rx_pps, 1);
732 pps_print(win_general, 0, 25, tx_pps, 1);
736 diff = rx_pps - tx_pps;
737 pps_print(win_general, 0, 40, diff, 1);
739 uint64_t nics_rx_pps = val_to_rate(gsl->nics_rx_packets - gsp->nics_rx_packets, gsl->tsc - gsp->tsc);
740 uint64_t nics_tx_pps = val_to_rate(gsl->nics_tx_packets - gsp->nics_tx_packets, gsl->tsc - gsp->tsc);
741 uint64_t nics_ierrors = val_to_rate(gsl->nics_ierrors - gsp->nics_ierrors, gsl->tsc - gsp->tsc);
742 uint64_t nics_imissed = val_to_rate(gsl->nics_imissed - gsp->nics_imissed, gsl->tsc - gsp->tsc);
744 /* NIC: RX, TX, Diff */
745 pps_print(win_general, 1, 12, nics_rx_pps, 1);
746 pps_print(win_general, 1, 25, nics_tx_pps, 1);
747 pps_print(win_general, 1, 40, nics_ierrors + nics_imissed, 1);
749 wbkgdset(win_general, COLOR_PAIR(CYAN_ON_NOTHING));
750 wattron(win_general, A_BOLD);
751 mvwaddstrf(win_general, 0, 103, "%6.2f", tx_pps > rx_pps? 100 : tx_pps * 100.0 / rx_pps);
752 wattroff(win_general, A_BOLD);
753 wbkgdset(win_general, COLOR_PAIR(NO_COLOR));
755 struct global_stats_sample *gsb = stats_get_global_stats_beg();
757 uint64_t rx_pps = val_to_rate(gsl->host_rx_packets - gsb->host_rx_packets, gsl->tsc - gsb->tsc);
758 uint64_t tx_pps = val_to_rate(gsl->host_tx_packets - gsb->host_tx_packets, gsl->tsc - gsb->tsc);
760 uint64_t nics_rx_pps = val_to_rate(gsl->nics_rx_packets - gsb->nics_rx_packets, gsl->tsc - gsb->tsc);
761 uint64_t nics_tx_pps = val_to_rate(gsl->nics_tx_packets - gsb->nics_tx_packets, gsl->tsc - gsb->tsc);
762 uint64_t nics_ierrors = val_to_rate(gsl->nics_ierrors - gsb->nics_ierrors, gsl->tsc - gsb->tsc);
763 uint64_t nics_imissed = val_to_rate(gsl->nics_imissed - gsb->nics_imissed, gsl->tsc - gsb->tsc);
765 pps_print(win_general, 0, 64, rx_pps, 0);
766 pps_print(win_general, 0, 77, tx_pps, 0);
768 pps_print(win_general, 1, 64, nics_rx_pps, 0);
769 pps_print(win_general, 1, 77, nics_tx_pps, 0);
770 pps_print(win_general, 1, 91, nics_ierrors + nics_imissed, 0);
772 wbkgdset(win_general, COLOR_PAIR(CYAN_ON_NOTHING));
773 wattron(win_general, A_BOLD);
774 uint64_t nics_in = gsl->host_rx_packets - gsb->host_rx_packets + gsl->nics_ierrors - gsb->nics_ierrors + gsl->nics_imissed - gsb->nics_imissed;
775 uint64_t nics_out = gsl->host_tx_packets - gsb->host_tx_packets;
776 mvwaddstrf(win_general, 1, 103, "%6.2f", nics_out > nics_in?
777 100 : nics_out * 100.0 / nics_in);
778 wattron(win_general, A_BOLD);
779 wbkgdset(win_general, COLOR_PAIR(NO_COLOR));
783 static void display_stats_general_total(void)
785 struct global_stats_sample *gsl = stats_get_global_stats(1);
787 int64_t diff = (int64_t)gsl->host_rx_packets - gsl->host_tx_packets;
790 /* Host: RX, TX, Diff */
791 mvwaddstrf(win_general, 0, 13, "%16lu", gsl->host_rx_packets);
792 mvwaddstrf(win_general, 0, 35, "%16lu", gsl->host_tx_packets);
793 mvwaddstrf(win_general, 0, 60, "%16"PRId64"", diff);
794 if (gsl->host_rx_packets == 0)
797 percent = gsl->host_tx_packets * 1000000 / gsl->host_rx_packets;
798 mvwaddstrf(win_general, 0, 88, "%3u.%04u%%", percent / 10000, percent % 10000);
799 if (gsl->host_tx_packets == 0)
802 percent = gsl->host_rx_packets * 1000000 / gsl->host_tx_packets;
803 mvwaddstrf(win_general, 0, 106, "%3u.%04u%%", percent / 10000, percent % 10000);
805 mvwaddstrf(win_general, 1, 13, "%16lu", gsl->nics_rx_packets);
806 mvwaddstrf(win_general, 1, 35, "%16lu", gsl->nics_tx_packets);
807 mvwaddstrf(win_general, 1, 60, "%16lu", gsl->nics_ierrors + gsl->nics_imissed);
808 if (gsl->nics_rx_packets == 0)
811 percent = gsl->nics_tx_packets * 1000000 / gsl->nics_rx_packets;
812 mvwaddstrf(win_general, 1, 88, "%3u.%04u%%", percent / 10000, percent % 10000);
813 if (gsl->nics_tx_packets == 0)
816 percent = gsl->nics_rx_packets * 1000000 / gsl->nics_tx_packets;
817 mvwaddstrf(win_general, 1, 106, "%3u.%04u%%", percent / 10000, percent % 10000);
820 static void display_stats_general(void)
822 /* moment when stats were gathered. */
823 uint64_t cur_tsc = stats_get_last_tsc();
824 uint64_t up_time = tsc_to_sec(cur_tsc - stats_global_start_tsc());
825 uint64_t up_time2 = tsc_to_sec(cur_tsc - stats_global_beg_tsc());
826 uint64_t rem_time = -1;
827 char title_str[128] = {0};
829 if (stats_global_end_tsc()) {
830 uint64_t rem_tsc = stats_global_end_tsc() > cur_tsc? stats_global_end_tsc() - cur_tsc : 0;
832 rem_time = tsc_to_sec(rem_tsc);
835 if (up_time != up_time2 && cur_tsc >= stats_global_beg_tsc()) {
836 if (stats_global_end_tsc())
837 snprintf(title_str, sizeof(title_str), "%5lu (%lu) up, %lu rem", up_time, up_time2, rem_time);
839 snprintf(title_str, sizeof(title_str), "%5lu (%lu) up", up_time, up_time2);
842 if (stats_global_end_tsc())
843 snprintf(title_str, sizeof(title_str), "%5lu up, %lu rem", up_time, rem_time);
845 snprintf(title_str, sizeof(title_str), "%5lu up", up_time);
848 /* Only print up time information if there is enough space */
849 if ((int)((COLS + title_len)/2 + strlen(title_str) + 1) < COLS) {
850 mvwaddstrf(win_title, 0, COLS - strlen(title_str), "%s", title_str);
854 if (screen_state.toggle == 0)
855 display_stats_general_per_sec();
857 display_stats_general_total();
859 wrefresh(win_general);
862 char *print_time_unit_err_usec(char *dst, struct time_unit_err *t)
864 uint64_t nsec_total = time_unit_to_nsec(&t->time);
866 uint64_t usec = nsec_total/1000;
867 uint64_t nsec = nsec_total - usec*1000;
869 uint64_t nsec_total_error = time_unit_to_nsec(&t->error);
871 uint64_t usec_error = nsec_total_error/1000;
872 uint64_t nsec_error = nsec_total_error - usec_error*1000;
874 sprintf(dst, "%4"PRIu64".%03"PRIu64" +/- %2"PRIu64".%03"PRIu64"", usec, nsec, usec_error, nsec_error);
878 char *print_time_unit_usec(char *dst, struct time_unit *t)
880 uint64_t nsec_total = time_unit_to_nsec(t);
882 uint64_t usec = nsec_total/1000;
883 uint64_t nsec = nsec_total - usec*1000;
885 sprintf(dst, "%4"PRIu64".%03"PRIu64"", usec, nsec);
889 void toggle_display_screen(void)
891 screen_state.toggle = !screen_state.toggle;
892 stats_display_layout(0);
895 void display_screen(unsigned screen_id)
897 if (screen_id >= n_screens) {
898 plog_err("Unsupported screen %d\n", screen_id + 1);
902 if (screen_state.chosen_screen == screen_id) {
903 stats_display_layout(1);
906 screen_state.chosen_screen = screen_id;
907 current_screen = display_screens[screen_id];
908 stats_display_layout(0);
912 void display_page_up(void)
916 void display_page_down(void)
920 void display_refresh(void)
922 stats_display_layout(1);
925 void display_renew(void)
927 stats_display_layout(0);
930 void display_stats(void)
933 current_screen->draw_stats(&screen_state);
934 display_stats_general();
939 static char pages[32768] = {0};
940 static int cur_idx = 0;
941 static size_t pages_len = 0;
943 void display_print_page(void)
946 int cur_idx_prev = cur_idx;
948 if (cur_idx >= (int)pages_len) {
953 for (size_t i = cur_idx; i < pages_len; ++i) {
954 if (pages[i] == '\n') {
956 if (n_lines == win_txt_height - 2) {
964 waddstr(win_txt, pages + cur_idx_prev);
965 if (cur_idx != cur_idx_prev && cur_idx < (int)pages_len)
966 waddstr(win_txt, "\nPRESS ENTER FOR MORE...\n");
974 void display_print(const char *str)
985 /* Check if the whole string can fit on the screen. */
986 pages_len = strlen(str);
988 memset(pages, 0, sizeof(pages));
989 memcpy(pages, str, pages_len);
991 for (size_t i = 0; i < pages_len; ++i) {
992 if (pages[i] == '\n') {
994 if (n_lines == win_txt_height - 2) {
1002 waddstr(win_txt, pages);
1004 waddstr(win_txt, "\nPRESS ENTER FOR MORE...\n");