-/*
- * Copyright (C) 2011 Julien Desfossez
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <string.h>
-#include <ncurses.h>
-#include <panel.h>
-#include <pthread.h>
-#include <semaphore.h>
-
-#include "cursesdisplay.h"
-#include "lttngtoptypes.h"
-#include "common.h"
-
-#define DEFAULT_DELAY 15
-#define MAX_LINE_LENGTH 50
-#define MAX_LOG_LINES 4
-
-/* to prevent concurrent updates of the different windows */
-sem_t update_display_sem;
-
-char *termtype;
-WINDOW *footer, *header, *center, *status;
-WINDOW *perf_panel_window = NULL;
-PANEL *perf_panel, *main_panel;
-
-int perf_panel_visible = 0;
-int perf_line_selected = 0;
-
-int last_display_index, currently_displayed_index;
-
-struct processtop *selected_process = NULL;
-int selected_tid;
-char *selected_comm;
-int selected_ret;
-
-int selected_line = 0; /* select bar position */
-int selected_in_list = 0; /* selection relative to the whole list */
-int list_offset = 0; /* first index in the list to display (scroll) */
-int nb_log_lines = 0;
-char log_lines[MAX_LINE_LENGTH * MAX_LOG_LINES + MAX_LOG_LINES];
-
-int max_elements = 80;
-
-int toggle_threads = -1;
-int toggle_pause = -1;
-int toggle_tree = -1;
-
-int max_center_lines;
-
-pthread_t keyboard_thread;
-
-void reset_ncurses()
-{
- curs_set(1);
- endwin();
- exit(0);
-}
-
-static void handle_sigterm(int signal)
-{
- reset_ncurses();
-}
-
-void init_screen()
-{
- initscr();
- noecho();
- halfdelay(DEFAULT_DELAY);
- nonl();
- intrflush(stdscr, false);
- keypad(stdscr, true);
- curs_set(0);
-
- if (has_colors()) {
- start_color();
- init_pair(1, COLOR_RED, COLOR_BLACK); /* - */
- init_pair(2, COLOR_GREEN, COLOR_BLACK); /* + */
- init_pair(3, COLOR_BLACK, COLOR_WHITE); /* keys */
- init_pair(4, COLOR_WHITE, COLOR_GREEN); /* keys activated */
- init_pair(5, COLOR_WHITE, COLOR_BLUE); /* select line */
- }
- termtype = getenv("TERM");
- if (!strcmp(termtype, "xterm") || !strcmp(termtype, "xterm-color") ||
- !strcmp(termtype, "vt220")) {
- define_key("\033[H", KEY_HOME);
- define_key("\033[F", KEY_END);
- define_key("\033OP", KEY_F(1));
- define_key("\033OQ", KEY_F(2));
- define_key("\033OR", KEY_F(3));
- define_key("\033OS", KEY_F(4));
- define_key("\0330U", KEY_F(6));
- define_key("\033[11~", KEY_F(1));
- define_key("\033[12~", KEY_F(2));
- define_key("\033[13~", KEY_F(3));
- define_key("\033[14~", KEY_F(4));
- define_key("\033[16~", KEY_F(6));
- define_key("\033[17;2~", KEY_F(18));
- }
- signal(SIGTERM, handle_sigterm);
- mousemask(BUTTON1_CLICKED, NULL);
- refresh();
-}
-
-WINDOW *create_window(int height, int width, int startx, int starty)
-{
- WINDOW *win;
- win = newwin(height, width, startx, starty);
- box(win, 0 , 0);
- wrefresh(win);
- return win;
-}
-
-WINDOW *create_window_no_border(int height, int width, int startx, int starty)
-{
- WINDOW *win;
- win = newwin(height, width, startx, starty);
- wrefresh(win);
- return win;
-}
-
-void print_digit(WINDOW *win, int digit)
-{
- if (digit < 0) {
- wattron(win, COLOR_PAIR(1));
- wprintw(win, "%d", digit);
- wattroff(win, COLOR_PAIR(1));
- } else if (digit > 0) {
- wattron(win, COLOR_PAIR(2));
- wprintw(win, "+%d", digit);
- wattroff(win, COLOR_PAIR(2));
- } else {
- wprintw(win, "0");
- }
-}
-
-void print_digits(WINDOW *win, int first, int second)
-{
- wprintw(win, "(");
- print_digit(win, first);
- wprintw(win, ", ");
- print_digit(win, second);
- wprintw(win, ")");
-}
-
-void print_headers(int line, char *desc, int value, int first, int second)
-{
- wattron(header, A_BOLD);
- mvwprintw(header, line, 4, "%s", desc);
- wattroff(header, A_BOLD);
- mvwprintw(header, line, 16, "N/A", value);
- wmove(header, line, 24);
- print_digits(header, first, second);
- wmove(header, line, 40);
-}
-
-void set_window_title(WINDOW *win, char *title)
-{
- wattron(win, A_BOLD);
- mvwprintw(win, 0, 1, title);
- wattroff(win, A_BOLD);
-}
-
-void print_log(char *str)
-{
- int i;
- int current_line = 1;
- int current_char = 1;
- char *tmp, *tmp2;
- /* rotate the line buffer */
- if (nb_log_lines >= MAX_LOG_LINES) {
- tmp = strndup(log_lines, MAX_LINE_LENGTH * MAX_LOG_LINES + MAX_LOG_LINES);
- tmp2 = strchr(tmp, '\n');
- memset(log_lines, '\0', strlen(log_lines));
- strncat(log_lines, tmp2 + 1, strlen(tmp2) - 1);
- log_lines[strlen(log_lines)] = '\n';
- log_lines[strlen(log_lines)] = '\0';
- free(tmp);
- }
- nb_log_lines++;
-
- strncat(log_lines, str, MAX_LINE_LENGTH - 1);
-
- if (nb_log_lines < MAX_LOG_LINES)
- log_lines[strlen(log_lines)] = '\n';
- log_lines[strlen(log_lines)] = '\0';
-
- werase(status);
- box(status, 0 , 0);
- set_window_title(status, "Status");
- for (i = 0; i < strlen(log_lines); i++) {
- if (log_lines[i] == '\n') {
- wmove(status, ++current_line, 1);
- current_char = 1;
- } else {
- mvwprintw(status, current_line, current_char++, "%c", log_lines[i]);
- }
- }
- wrefresh(status);
-}
-
-void print_key(WINDOW *win, char *key, char *desc, int toggle)
-{
- int pair;
- if (toggle > 0)
- pair = 4;
- else
- pair = 3;
- wattron(win, COLOR_PAIR(pair));
- wprintw(footer, "%s", key);
- wattroff(win, COLOR_PAIR(pair));
- wprintw(footer, ":%s", desc);
-}
-
-void update_footer()
-{
- sem_wait(&update_display_sem);
- werase(footer);
- wmove(footer, 1, 1);
- print_key(footer, "F2", "CPUtop ", current_view == cpu);
- print_key(footer, "F3", "PerfTop ", current_view == perf);
- print_key(footer, "F6", "IOTop ", current_view == iostream);
- print_key(footer, "Enter", "Details ", current_view == process_details);
- print_key(footer, "q", "Quit | ", 0);
- print_key(footer, "P", "Perf Pref ", 0);
- print_key(footer, "p", "Pause ", toggle_pause);
-
- wrefresh(footer);
- sem_post(&update_display_sem);
-}
-
-void basic_header()
-{
- werase(header);
- box(header, 0 , 0);
- set_window_title(header, "Statistics for interval [gathering data...[");
- wattron(header, A_BOLD);
- mvwprintw(header, 1, 4, "CPUs");
- mvwprintw(header, 2, 4, "Processes");
- mvwprintw(header, 3, 4, "Threads");
- mvwprintw(header, 4, 4, "Files");
- mvwprintw(header, 5, 4, "Network");
- mvwprintw(header, 6, 4, "IO");
- wattroff(header, A_BOLD);
- wrefresh(header);
-}
-
-void update_header()
-{
- werase(header);
- box(header, 0 , 0);
- set_window_title(header, "Statistics for interval ");
- wattron(header, A_BOLD);
- /*
- wprintw(header, "[%lu.%lu, %lu.%lu[",
- data->start.tv_sec, data->start.tv_nsec,
- data->end.tv_sec, data->end.tv_nsec);
- */
- wprintw(header, "[%lu, %lu[",
- data->start,
- data->end);
- mvwprintw(header, 1, 4, "CPUs");
- wattroff(header, A_BOLD);
- wprintw(header, "\t%d\t(max/cpu : %0.2f%)", data->cpu_table->len,
- 100.0/data->cpu_table->len);
- print_headers(2, "Processes", data->nbproc, data->nbnewproc,
- -1*(data->nbdeadproc));
- print_headers(3, "Threads", data->nbthreads, data->nbnewthreads,
- -1*(data->nbdeadthreads));
- print_headers(4, "Files", data->nbfiles, data->nbnewfiles,
- -1*(data->nbclosedfiles));
- mvwprintw(header, 4, 43, "N/A kbytes/sec");
- print_headers(5, "Network", 114, 0, 0);
- mvwprintw(header, 5, 43, "N/A Mbytes/sec");
- wrefresh(header);
-}
-
-gint sort_by_cpu_desc(gconstpointer p1, gconstpointer p2)
-{
- struct processtop *n1 = *(struct processtop **)p1;
- struct processtop *n2 = *(struct processtop **)p2;
- unsigned long totaln1 = n1->totalcpunsec;
- unsigned long totaln2 = n2->totalcpunsec;
-
- if (totaln1 < totaln2)
- return 1;
- if (totaln1 == totaln2)
- return 0;
- return -1;
-}
-
-gint sort_by_cpu_group_by_threads_desc(gconstpointer p1, gconstpointer p2)
-{
- struct processtop *n1 = *(struct processtop **)p1;
- struct processtop *n2 = *(struct processtop **)p2;
- unsigned long totaln1 = n1->threadstotalcpunsec;
- unsigned long totaln2 = n2->threadstotalcpunsec;
-
- if (totaln1 < totaln2)
- return 1;
- if (totaln1 == totaln2)
- return 0;
- return -1;
-}
-
-void update_cputop_display()
-{
- int i;
- int header_offset = 2;
- struct processtop *tmp;
- unsigned long elapsed;
- double maxcputime;
- int nblinedisplayed = 0;
- int current_line = 0;
-
- elapsed = data->end - data->start;
- maxcputime = elapsed * data->cpu_table->len / 100.0;
-
- g_ptr_array_sort(data->process_table, sort_by_cpu_desc);
-
- set_window_title(center, "CPU Top");
- wattron(center, A_BOLD);
- mvwprintw(center, 1, 1, "CPU(%)");
- mvwprintw(center, 1, 12, "TGID");
- mvwprintw(center, 1, 22, "PID");
- mvwprintw(center, 1, 32, "NAME");
- wattroff(center, A_BOLD);
-
- max_center_lines = LINES - 7 - 7 - 1 - header_offset;
-
- /* iterate the process (thread) list */
- for (i = list_offset; i < data->process_table->len &&
- nblinedisplayed < max_center_lines; i++) {
- tmp = g_ptr_array_index(data->process_table, i);
-
- if (current_line == selected_line) {
- selected_process = tmp;
- selected_tid = tmp->tid;
- selected_comm = tmp->comm;
- wattron(center, COLOR_PAIR(5));
- mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
- }
- /* CPU(%) */
- mvwprintw(center, current_line + header_offset, 1, "%1.2f",
- tmp->totalcpunsec / maxcputime);
- /* TGID */
- mvwprintw(center, current_line + header_offset, 12, "%d", tmp->pid);
- /* PID */
- mvwprintw(center, current_line + header_offset, 22, "%d", tmp->tid);
- /* NAME */
- mvwprintw(center, current_line + header_offset, 32, "%s", tmp->comm);
- wattroff(center, COLOR_PAIR(5));
- nblinedisplayed++;
- current_line++;
- }
-}
-
-gint sort_perf(gconstpointer p1, gconstpointer p2, gpointer key)
-{
- struct processtop *n1 = *(struct processtop **) p1;
- struct processtop *n2 = *(struct processtop **) p2;
-
- struct perfcounter *tmp1, *tmp2;
- unsigned long totaln2 = 0;
- unsigned long totaln1 = 0;
-
- if (!key)
- return 0;
-
- tmp1 = g_hash_table_lookup(n1->perf, key);
- if (!tmp1)
- totaln1 = 0;
- else
- totaln1 = tmp1->count;
-
- tmp2 = g_hash_table_lookup(n2->perf, key);
- if (!tmp2)
- totaln2 = 0;
- else
- totaln2 = tmp2->count;
-
- if (totaln1 < totaln2)
- return 1;
- if (totaln1 == totaln2) {
- totaln1 = n1->tid;
- totaln2 = n2->tid;
- if (totaln1 < totaln2)
- return 1;
- return -1;
- }
- return -1;
-}
-
-void print_key_title(char *key, int line)
-{
- wattron(center, A_BOLD);
- mvwprintw(center, line, 1, "%s\t", key);
- wattroff(center, A_BOLD);
-}
-
-void update_process_details()
-{
- unsigned long elapsed;
- double maxcputime;
- struct processtop *tmp = find_process_tid(data, selected_tid, selected_comm);
-
- set_window_title(center, "Process details");
-
-
- elapsed = data->end - data->start;
- maxcputime = elapsed * data->cpu_table->len / 100.0;
-
- print_key_title("Name", 1);
- wprintw(center, "%s", selected_comm);
- print_key_title("TID", 2);
- wprintw(center, "%d", selected_tid);
- if (!tmp) {
- print_key_title("Does not exit at this time", 3);
- return;
- }
-
- print_key_title("PID", 3);
- wprintw(center, "%d", tmp->pid);
- print_key_title("PPID", 4);
- wprintw(center, "%d", tmp->ppid);
- print_key_title("CPU", 5);
- wprintw(center, "%1.2f %%", tmp->totalcpunsec/maxcputime);
-}
-
-void update_perf()
-{
- int i, j;
- int nblinedisplayed = 0;
- int current_line = 0;
- struct processtop *tmp;
- int header_offset = 2;
- int perf_row = 40;
- struct perfcounter *perfn1, *perfn2;
- GList *perflist;
- char *perf_key = NULL;
- int value;
-
- set_window_title(center, "Perf Top");
- wattron(center, A_BOLD);
- mvwprintw(center, 1, 1, "PID");
- mvwprintw(center, 1, 11, "TID");
- mvwprintw(center, 1, 22, "NAME");
-
- perf_row = 40;
- perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
- while (perflist) {
- perfn1 = g_hash_table_lookup(data->perf_list, perflist->data);
- /* + 6 to strip the "_perf_" prefix */
- if (perfn1->visible) {
- mvwprintw(center, 1, perf_row, "%s",
- (char *) perflist->data + 6);
- perf_row += 20;
- }
- if (perfn1->sort) {
- perf_key = (char *) perflist->data;
- }
- perflist = g_list_next(perflist);
- }
- wattroff(center, A_BOLD);
-
- g_ptr_array_sort_with_data(data->process_table, sort_perf, perf_key);
- for (i = 0; i < data->process_table->len &&
- nblinedisplayed < max_center_lines; i++) {
- GList *perf_keys;
- tmp = g_ptr_array_index(data->process_table, i);
-
- if (current_line == selected_line) {
- selected_process = tmp;
- wattron(center, COLOR_PAIR(5));
- mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
- }
-
- mvwprintw(center, current_line + header_offset, 1, "%d", tmp->pid);
- mvwprintw(center, current_line + header_offset, 11, "%d", tmp->tid);
- mvwprintw(center, current_line + header_offset, 22, "%s", tmp->comm);
-
- /* FIXME : sometimes there is a segfault here, I have no idea why :-( */
- perf_keys = g_hash_table_get_keys(data->perf_list);
- if (perf_keys)
- perflist = g_list_first(perf_keys);
- else
- perflist = NULL;
-
- perf_row = 40;
- j = 0;
- while (perflist) {
- j++;
- perfn1 = g_hash_table_lookup(data->perf_list, perflist->data);
- if (!perfn1) {
- perflist = g_list_next(perflist);
- continue;
- }
- if (perfn1->visible) {
- perfn2 = g_hash_table_lookup(tmp->perf, perflist->data);
- if (perfn2)
- value = perfn2->count;
- else
- value = 0;
- mvwprintw(center, current_line + header_offset, perf_row, "%d", value);
- perf_row += 20;
- }
- perflist = g_list_next(perflist);
- }
-
- wattroff(center, COLOR_PAIR(5));
- nblinedisplayed++;
- current_line++;
- }
-}
-
-void update_fileio()
-{
- int i;
- int offset;
-
- set_window_title(center, "IO Top");
- wattron(center, A_BOLD);
- mvwprintw(center, 1, 10, "READ");
- mvwprintw(center, 2, 1, "bytes");
- mvwprintw(center, 2, 15, "bytes/sec");
-
- mvwprintw(center, 1, 39, "WRITE");
- mvwprintw(center, 2, 33, "bytes");
- mvwprintw(center, 2, 45, "bytes/sec");
-
- if (toggle_threads > 0) {
- mvwprintw(center, 1, 60, "TGID");
- mvwprintw(center, 1, 70, "PID");
- offset = 8;
- } else {
- mvwprintw(center, 1, 60, "PID(TGID)");
- offset = 0;
- }
- mvwprintw(center, 1, 72 + offset, "NAME");
- wattroff(center, A_BOLD);
-
- for (i = 3; i < LINES - 3 - 8 - 1; i++) {
- mvwprintw(center, i, 1, "%d", i*1000);
- mvwprintw(center, i, 15, "%dk", i);
- mvwprintw(center, i, 28, "| %d", i*2000);
- mvwprintw(center, i, 45, "%dk", i*2);
- if (toggle_threads > 0) {
- mvwprintw(center, i, 57, "| %d", i);
- mvwprintw(center, i, 70, "%d", i);
- } else {
- mvwprintw(center, i, 57, "| %d", i);
- }
- mvwprintw(center, i, 72 + offset, "process_%d", i);
- }
-}
-
-gint sort_by_ret_desc(gconstpointer p1, gconstpointer p2)
-{
- struct processtop *n1 = *(struct processtop **)p1;
- struct processtop *n2 = *(struct processtop **)p2;
- unsigned long totaln1 = n1->iostream->ret_total;
- unsigned long totaln2 = n2->iostream->ret_total;
-
- if (totaln1 < totaln2)
- return 1;
- if (totaln1 == totaln2)
- return 0;
- return -1;
-}
-
-void update_iostream()
-{
- int i;
- int header_offset = 2;
- struct processtop *tmp;
- int nblinedisplayed = 0;
- int current_line = 0;
-
- set_window_title(center, "IO Top");
- wattron(center, A_BOLD);
- mvwprintw(center, 1, 1, "READ (B/s)");
- mvwprintw(center, 1, 20, "WRITE (B/s)");
-
- mvwprintw(center, 1, 40, "TOTAL STREAM");
-
- mvwprintw(center, 1, 60, "TGID");
- mvwprintw(center, 1, 80, "PID");
-
- mvwprintw(center, 1, 92, "NAME");
- wattroff(center, A_BOLD);
-
- g_ptr_array_sort(data->process_table, sort_by_ret_desc);
-
- for (i = list_offset; i < data->process_table->len &&
- nblinedisplayed < max_center_lines; i++) {
- tmp = g_ptr_array_index(data->process_table, i);
-
- if (current_line == selected_line) {
- selected_process = tmp;
- selected_tid = tmp->tid;
- selected_comm = tmp->comm;
- wattron(center, COLOR_PAIR(5));
- mvwhline(center, current_line + header_offset, 1, ' ', COLS-3);
- }
- /* READ (bytes/sec) */
- mvwprintw(center, current_line + header_offset, 1, "%lu",
- tmp->iostream->ret_read);
-
- /* WRITE (bytes/sec) */
- mvwprintw(center, current_line + header_offset, 20, "%lu",
- tmp->iostream->ret_write);
-
- /* TOTAL STREAM */
- if(tmp->iostream->ret_total >= 1000000)
- mvwprintw(center, current_line + header_offset, 40, "%lu MB",
- tmp->iostream->ret_total/1000000);
- else if(tmp->iostream->ret_total >=1000)
- mvwprintw(center, current_line + header_offset, 40, "%lu KB",
- tmp->iostream->ret_total/1000);
- else
- mvwprintw(center, current_line + header_offset, 40, "%lu B",
- tmp->iostream->ret_total);
- /* TGID */
- mvwprintw(center, current_line + header_offset, 60, "%d", tmp->pid);
- /* PID */
- mvwprintw(center, current_line + header_offset, 80, "%d", tmp->tid);
- /* NAME */
- mvwprintw(center, current_line + header_offset, 92, "%s", tmp->comm);
- wattroff(center, COLOR_PAIR(5));
- nblinedisplayed++;
- current_line++;
- }
-}
-
-void update_current_view()
-{
- sem_wait(&update_display_sem);
- if (!data)
- return;
- update_header();
-
- werase(center);
- box(center, 0, 0);
- switch (current_view) {
- case cpu:
- update_cputop_display();
- break;
- case perf:
- update_perf();
- break;
- case process_details:
- update_process_details();
- break;
- case fileio:
- update_fileio();
- break;
- case iostream:
- update_iostream();
- break;
- case tree:
- update_cputop_display();
- break;
- default:
- break;
- }
- update_panels();
- doupdate();
- sem_post(&update_display_sem);
-}
-
-void setup_perf_panel()
-{
- int size;
- if (!data)
- return;
- if (perf_panel_window) {
- del_panel(perf_panel);
- delwin(perf_panel_window);
- }
- size = g_hash_table_size(data->perf_list);
- perf_panel_window = create_window(size + 2, 30, 10, 10);
- perf_panel = new_panel(perf_panel_window);
- perf_panel_visible = 0;
- hide_panel(perf_panel);
-}
-
-void update_perf_panel(int line_selected, int toggle_view, int toggle_sort)
-{
- int i;
- struct perfcounter *perf;
- GList *perflist;
-
- if (!data)
- return;
-
- werase(perf_panel_window);
- box(perf_panel_window, 0 , 0);
- set_window_title(perf_panel_window, "Perf Preferences ");
- wattron(perf_panel_window, A_BOLD);
- mvwprintw(perf_panel_window, g_hash_table_size(data->perf_list) + 1, 1, " 's' to sort");
- wattroff(perf_panel_window, A_BOLD);
-
- if (toggle_sort == 1) {
- i = 0;
- perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
- while (perflist) {
- perf = g_hash_table_lookup(data->perf_list, perflist->data);
- if (i != line_selected)
- perf->sort = 0;
- else
- perf->sort = 1;
- i++;
- perflist = g_list_next(perflist);
- }
- update_current_view();
- }
-
- i = 0;
- perflist = g_list_first(g_hash_table_get_keys(data->perf_list));
- while (perflist) {
- perf = g_hash_table_lookup(data->perf_list, perflist->data);
- if (i == line_selected && toggle_view == 1) {
- perf->visible = perf->visible == 1 ? 0:1;
- update_current_view();
- }
- if (i == line_selected) {
- wattron(perf_panel_window, COLOR_PAIR(5));
- mvwhline(perf_panel_window, i + 1, 1, ' ', 30 - 2);
- }
- if (perf->sort == 1)
- wattron(perf_panel_window, A_BOLD);
- mvwprintw(perf_panel_window, i + 1, 1, "[%c] %s",
- perf->visible == 1 ? 'x' : ' ',
- (char *) perflist->data + 6);
- wattroff(perf_panel_window, A_BOLD);
- wattroff(perf_panel_window, COLOR_PAIR(5));
- i++;
- perflist = g_list_next(perflist);
- }
- update_panels();
- doupdate();
-}
-
-
-void toggle_perf_panel(void)
-{
- if (perf_panel_visible) {
- hide_panel(perf_panel);
- perf_panel_visible = 0;
- } else {
- setup_perf_panel();
- update_perf_panel(perf_line_selected, 0, 0);
- show_panel(perf_panel);
- perf_panel_visible = 1;
- }
- update_panels();
- doupdate();
-}
-
-void display(unsigned int index)
-{
- last_display_index = index;
- currently_displayed_index = index;
- data = g_ptr_array_index(copies, index);
- if (!data)
- return;
- max_elements = data->process_table->len;
- update_current_view();
- update_footer();
- update_panels();
- doupdate();
-}
-
-void pause_display()
-{
- toggle_pause = 1;
- print_log("Pause");
- sem_wait(&pause_sem);
-}
-
-void resume_display()
-{
- toggle_pause = -1;
- print_log("Resume");
- sem_post(&pause_sem);
-}
-
-void *handle_keyboard(void *p)
-{
- int ch;
- while((ch = getch())) {
- switch(ch) {
- /* Move the cursor and scroll */
- case KEY_DOWN:
- if (perf_panel_visible) {
- if (perf_line_selected < g_hash_table_size(data->perf_list) - 1)
- perf_line_selected++;
- update_perf_panel(perf_line_selected, 0, 0);
- } else {
- if (selected_line < (max_center_lines - 1) &&
- selected_line < max_elements - 1) {
- selected_line++;
- selected_in_list++;
- } else if (selected_in_list < (max_elements - 1)
- && (list_offset < (max_elements - max_center_lines))) {
- selected_in_list++;
- list_offset++;
- }
- update_current_view();
- }
- break;
- case KEY_NPAGE:
- if ((selected_line + 10 < max_center_lines - 1) &&
- ((selected_line + 10) < max_elements - 1)) {
- selected_line += 10;
- selected_in_list += 10;
- } else if (max_elements > max_center_lines) {
- selected_line = max_center_lines - 1;
- if (selected_in_list + 10 < max_elements - 1) {
- selected_in_list += 10;
- list_offset += (selected_in_list - max_center_lines + 1);
- }
- } else if (selected_line + 10 > max_elements) {
- selected_line = max_elements - 1;
- }
- update_current_view();
- break;
- case KEY_UP:
- if (perf_panel_visible) {
- if (perf_line_selected > 0)
- perf_line_selected--;
- update_perf_panel(perf_line_selected, 0, 0);
- } else {
- if (selected_line > 0) {
- selected_line--;
- selected_in_list--;
- } else if (selected_in_list > 0 && list_offset > 0) {
- selected_in_list--;
- list_offset--;
- }
- update_current_view();
- }
- break;
- case KEY_PPAGE:
- if (selected_line - 10 > 0)
- selected_line -= 10;
- else
- selected_line = 0;
- update_current_view();
- break;
-
- /* Navigate the history with arrows */
- case KEY_LEFT:
- if (currently_displayed_index > 0) {
- currently_displayed_index--;
- print_log("Going back in time");
- } else {
- print_log("Cannot rewind, last data is already displayed");
- }
- data = g_ptr_array_index(copies, currently_displayed_index);
- max_elements = data->process_table->len;
-
- /* we force to pause the display when moving in time */
- if (toggle_pause < 0)
- pause_display();
-
- update_current_view();
- update_footer();
- break;
- case KEY_RIGHT:
- if (currently_displayed_index < last_display_index) {
- currently_displayed_index++;
- print_log("Going forward in time");
- data = g_ptr_array_index(copies, currently_displayed_index);
- max_elements = data->process_table->len;
- update_current_view();
- update_footer();
- } else {
- print_log("Manually moving forward");
- sem_post(&timer);
- /* we force to resume the refresh when moving forward */
- if (toggle_pause > 0)
- resume_display();
- }
-
- break;
- case ' ':
- if (perf_panel_visible)
- update_perf_panel(perf_line_selected, 1, 0);
- break;
- case 's':
- if (perf_panel_visible)
- update_perf_panel(perf_line_selected, 0, 1);
- break;
-
- case 13: /* FIXME : KEY_ENTER ?? */
- if (current_view == cpu) {
- current_view = process_details;
- }
- update_current_view();
- break;
-
- case KEY_F(1):
- toggle_tree *= -1;
- current_view = cpu;
- update_current_view();
- break;
- case KEY_F(2):
- current_view = cpu;
- update_current_view();
- break;
- case KEY_F(3):
- current_view = perf;
- toggle_tree = -1;
- update_current_view();
- break;
- case KEY_F(4):
- current_view = fileio;
- toggle_tree = -1;
- update_current_view();
- break;
- case KEY_F(5):
- current_view = netio;
- toggle_tree = -1;
- update_current_view();
- break;
- case KEY_F(6):
- current_view = iostream;
- toggle_tree = -1;
- update_current_view();
- break;
- case KEY_F(10):
- case 'q':
- reset_ncurses();
- break;
- case 't':
- toggle_threads *= -1;
- update_current_view();
- break;
- case 'p':
- if (toggle_pause < 0) {
- pause_display();
- } else {
- resume_display();
- }
- break;
- case 'P':
- toggle_perf_panel();
- break;
- default:
- /*
- * commented because it makes the list refresh in different order
- * if we sort and there are equal values
- if (data)
- update_current_view();
- */
- break;
- }
- update_footer();
- }
- return NULL;
-}
-
-void init_ncurses()
-{
- sem_init(&update_display_sem, 0, 1);
- init_screen();
-
- header = create_window(7, COLS - 1, 0, 0);
- center = create_window(LINES - 7 - 7, COLS - 1, 7, 0);
- status = create_window(MAX_LOG_LINES + 2, COLS - 1, LINES - 7, 0);
- footer = create_window(1, COLS - 1, LINES - 1, 0);
-
- print_log("Starting display");
-
- main_panel = new_panel(center);
- setup_perf_panel();
-
- current_view = cpu;
-
- basic_header();
- update_footer();
-
- pthread_create(&keyboard_thread, NULL, handle_keyboard, (void *)NULL);
-}
-
projects / lttngtop.git / commitdiff
