From: Julien Desfossez Date: Tue, 10 Apr 2012 21:54:26 +0000 (-0400) Subject: Allow the user to highlight processes X-Git-Tag: v0.2~36 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=635dc8372a4f76c6ee13cc1381528e6ed85152c1;p=lttngtop.git Allow the user to highlight processes When the users presses Space, the process under the blue line is highlighted across all views. Signed-off-by: Julien Desfossez --- diff --git a/src/cursesdisplay.c b/src/cursesdisplay.c index 4c91e1e..ca49bf9 100644 --- a/src/cursesdisplay.c +++ b/src/cursesdisplay.c @@ -47,8 +47,6 @@ 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 */ @@ -63,6 +61,7 @@ int toggle_threads = -1; int toggle_pause = -1; int max_center_lines; +GPtrArray *selected_processes; pthread_t keyboard_thread; @@ -95,6 +94,7 @@ void init_screen() 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 */ + init_pair(6, COLOR_WHITE, COLOR_GREEN); /* selected process */ } termtype = getenv("TERM"); if (!strcmp(termtype, "xterm") || !strcmp(termtype, "xterm-color") || @@ -216,6 +216,30 @@ void print_log(char *str) wrefresh(status); } +int process_selected(struct processtop *process) +{ + int i; + struct processtop *stored_process; + + for (i = 0; i < selected_processes->len; i++) { + stored_process = g_ptr_array_index(selected_processes, i); + if (stored_process->tid == process->tid) + return 1; + } + return 0; +} + +void update_selected_processes() +{ + if (process_selected(selected_process)) { + g_ptr_array_remove(selected_processes, selected_process); + print_log("Process removed"); + } else { + g_ptr_array_add(selected_processes, selected_process); + print_log("Process added"); + } +} + void print_key(WINDOW *win, char *key, char *desc, int toggle) { int pair; @@ -238,6 +262,7 @@ void update_footer() print_key(footer, "F3", "PerfTop ", current_view == perf); print_key(footer, "F4", "IOTop ", current_view == iostream); print_key(footer, "Enter", "Details ", current_view == process_details); + print_key(footer, "Space", "Highlight ", 0); print_key(footer, "q", "Quit | ", 0); print_key(footer, "P", "Perf Pref ", 0); print_key(footer, "p", "Pause ", toggle_pause); @@ -365,10 +390,12 @@ void update_cputop_display() nblinedisplayed < max_center_lines; i++) { tmp = g_ptr_array_index(data->process_table, i); + if (process_selected(tmp)) { + wattron(center, COLOR_PAIR(6)); + mvwhline(center, current_line + header_offset, 1, ' ', COLS-3); + } 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); } @@ -381,6 +408,7 @@ void update_cputop_display() 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(6)); wattroff(center, COLOR_PAIR(5)); nblinedisplayed++; current_line++; @@ -434,7 +462,9 @@ void update_process_details() { unsigned long elapsed; double maxcputime; - struct processtop *tmp = find_process_tid(data, selected_tid, selected_comm); + struct processtop *tmp = find_process_tid(data, + selected_process->tid, + selected_process->comm); struct files *file_tmp; int i, j = 0; @@ -445,9 +475,9 @@ void update_process_details() maxcputime = elapsed * data->cpu_table->len / 100.0; print_key_title("Name", 1); - wprintw(center, "%s", selected_comm); + wprintw(center, "%s", tmp->comm); print_key_title("TID", 2); - wprintw(center, "%d", selected_tid); + wprintw(center, "%d", tmp->tid); if (!tmp) { print_key_title("Does not exit at this time", 3); return; @@ -527,10 +557,12 @@ void update_perf() nblinedisplayed < max_center_lines; i++) { tmp = g_ptr_array_index(data->process_table, i); + if (process_selected(tmp)) { + wattron(center, COLOR_PAIR(6)); + mvwhline(center, current_line + header_offset, 1, ' ', COLS-3); + } 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); } @@ -555,6 +587,7 @@ void update_perf() } } + wattroff(center, COLOR_PAIR(6)); wattroff(center, COLOR_PAIR(5)); nblinedisplayed++; current_line++; @@ -604,10 +637,12 @@ void update_iostream() nblinedisplayed < max_center_lines; i++) { tmp = g_ptr_array_index(data->process_table, i); + if (process_selected(tmp)) { + wattron(center, COLOR_PAIR(6)); + mvwhline(center, current_line + header_offset, 1, ' ', COLS-3); + } 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); } @@ -639,6 +674,7 @@ void update_iostream() 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(6)); wattroff(center, COLOR_PAIR(5)); nblinedisplayed++; current_line++; @@ -752,7 +788,6 @@ void update_perf_panel(int line_selected, int toggle_view, int toggle_sort) doupdate(); } - void toggle_perf_panel(void) { if (perf_panel_visible) { @@ -877,8 +912,12 @@ void *handle_keyboard(void *p) break; case ' ': - if (perf_panel_visible) + if (perf_panel_visible) { update_perf_panel(perf_line_selected, 1, 0); + } else { + update_selected_processes(); + update_current_view(); + } break; case 's': if (perf_panel_visible) @@ -946,6 +985,7 @@ void *handle_keyboard(void *p) void init_ncurses() { + selected_processes = g_ptr_array_new(); sem_init(&update_display_sem, 0, 1); init_screen();