diff options
Diffstat (limited to 'tools/perf/util/newt.c')
| -rw-r--r-- | tools/perf/util/newt.c | 965 |
1 files changed, 11 insertions, 954 deletions
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c index b596926..6bccdaa 100644 --- a/tools/perf/util/newt.c +++ b/tools/perf/util/newt.c @@ -1,24 +1,19 @@ -#define _GNU_SOURCE -#include <stdio.h> -#undef _GNU_SOURCE -#include "ui/libslang.h" -#include <signal.h> -#include <stdlib.h> -#include <elf.h> #include <newt.h> +#include <signal.h> +#include <stdio.h> +#include <stdbool.h> +#include <string.h> #include <sys/ttydefaults.h> #include "cache.h" -#include "hist.h" -#include "pstack.h" -#include "session.h" -#include "sort.h" -#include "symbol.h" +#include "debug.h" #include "ui/browser.h" #include "ui/helpline.h" -#include "ui/browsers/map.h" newtComponent newt_form__new(void); +int popup_menu(int argc, char * const argv[]); +int ui__help_window(const char *text); +bool dialog_yesno(const char *msg); char browser__last_msg[1024]; @@ -57,7 +52,7 @@ newtComponent newt_form__new(void) return self; } -static int popup_menu(int argc, char * const argv[]) +int popup_menu(int argc, char * const argv[]) { struct newtExitStruct es; int i, rc = -1, max_len = 5; @@ -91,7 +86,7 @@ out_destroy_form: return rc; } -static int ui__help_window(const char *text) +int ui__help_window(const char *text) { struct newtExitStruct es; newtComponent tb, form = newt_form__new(); @@ -133,316 +128,13 @@ out_destroy_form: return rc; } -static bool dialog_yesno(const char *msg) +bool dialog_yesno(const char *msg) { /* newtWinChoice should really be accepting const char pointers... */ char yes[] = "Yes", no[] = "No"; return newtWinChoice(NULL, yes, no, (char *)msg) == 1; } -static char *callchain_list__sym_name(struct callchain_list *self, - char *bf, size_t bfsize) -{ - if (self->ms.sym) - return self->ms.sym->name; - - snprintf(bf, bfsize, "%#Lx", self->ip); - return bf; -} - -struct hist_browser { - struct ui_browser b; - struct hists *hists; - struct hist_entry *he_selection; - struct map_symbol *selection; -}; - -static void hist_browser__reset(struct hist_browser *self); -static int hist_browser__run(struct hist_browser *self, const char *title, - struct newtExitStruct *es); -static unsigned int hist_browser__refresh(struct ui_browser *self); -static void ui_browser__hists_seek(struct ui_browser *self, - off_t offset, int whence); - -static struct hist_browser *hist_browser__new(struct hists *hists) -{ - struct hist_browser *self = zalloc(sizeof(*self)); - - if (self) { - self->hists = hists; - self->b.refresh = hist_browser__refresh; - self->b.seek = ui_browser__hists_seek; - } - - return self; -} - -static void hist_browser__delete(struct hist_browser *self) -{ - newtFormDestroy(self->b.form); - newtPopWindow(); - free(self); -} - -static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self) -{ - return self->he_selection; -} - -static struct thread *hist_browser__selected_thread(struct hist_browser *self) -{ - return self->he_selection->thread; -} - -static int hist_browser__title(char *bf, size_t size, const char *ev_name, - const struct dso *dso, const struct thread *thread) -{ - int printed = 0; - - if (thread) - printed += snprintf(bf + printed, size - printed, - "Thread: %s(%d)", - (thread->comm_set ? thread->comm : ""), - thread->pid); - if (dso) - printed += snprintf(bf + printed, size - printed, - "%sDSO: %s", thread ? " " : "", - dso->short_name); - return printed ?: snprintf(bf, size, "Event: %s", ev_name); -} - -int hists__browse(struct hists *self, const char *helpline, const char *ev_name) -{ - struct hist_browser *browser = hist_browser__new(self); - struct pstack *fstack; - const struct thread *thread_filter = NULL; - const struct dso *dso_filter = NULL; - struct newtExitStruct es; - char msg[160]; - int key = -1; - - if (browser == NULL) - return -1; - - fstack = pstack__new(2); - if (fstack == NULL) - goto out; - - ui_helpline__push(helpline); - - hist_browser__title(msg, sizeof(msg), ev_name, - dso_filter, thread_filter); - - while (1) { - const struct thread *thread; - const struct dso *dso; - char *options[16]; - int nr_options = 0, choice = 0, i, - annotate = -2, zoom_dso = -2, zoom_thread = -2, - browse_map = -2; - - if (hist_browser__run(browser, msg, &es)) - break; - - thread = hist_browser__selected_thread(browser); - dso = browser->selection->map ? browser->selection->map->dso : NULL; - - if (es.reason == NEWT_EXIT_HOTKEY) { - key = es.u.key; - - switch (key) { - case NEWT_KEY_F1: - goto do_help; - case NEWT_KEY_TAB: - case NEWT_KEY_UNTAB: - /* - * Exit the browser, let hists__browser_tree - * go to the next or previous - */ - goto out_free_stack; - default:; - } - - key = toupper(key); - switch (key) { - case 'A': - if (browser->selection->map == NULL && - browser->selection->map->dso->annotate_warned) - continue; - goto do_annotate; - case 'D': - goto zoom_dso; - case 'T': - goto zoom_thread; - case 'H': - case '?': -do_help: - ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n" - "<- Zoom out\n" - "a Annotate current symbol\n" - "h/?/F1 Show this window\n" - "d Zoom into current DSO\n" - "t Zoom into current Thread\n" - "q/CTRL+C Exit browser"); - continue; - default:; - } - if (is_exit_key(key)) { - if (key == NEWT_KEY_ESCAPE) { - if (dialog_yesno("Do you really want to exit?")) - break; - else - continue; - } else - break; - } - - if (es.u.key == NEWT_KEY_LEFT) { - const void *top; - - if (pstack__empty(fstack)) - continue; - top = pstack__pop(fstack); - if (top == &dso_filter) - goto zoom_out_dso; - if (top == &thread_filter) - goto zoom_out_thread; - continue; - } - } - - if (browser->selection->sym != NULL && - !browser->selection->map->dso->annotate_warned && - asprintf(&options[nr_options], "Annotate %s", - browser->selection->sym->name) > 0) - annotate = nr_options++; - - if (thread != NULL && - asprintf(&options[nr_options], "Zoom %s %s(%d) thread", - (thread_filter ? "out of" : "into"), - (thread->comm_set ? thread->comm : ""), - thread->pid) > 0) - zoom_thread = nr_options++; - - if (dso != NULL && - asprintf(&options[nr_options], "Zoom %s %s DSO", - (dso_filter ? "out of" : "into"), - (dso->kernel ? "the Kernel" : dso->short_name)) > 0) - zoom_dso = nr_options++; - - if (browser->selection->map != NULL && - asprintf(&options[nr_options], "Browse map details") > 0) - browse_map = nr_options++; - - options[nr_options++] = (char *)"Exit"; - - choice = popup_menu(nr_options, options); - - for (i = 0; i < nr_options - 1; ++i) - free(options[i]); - - if (choice == nr_options - 1) - break; - - if (choice == -1) - continue; - - if (choice == annotate) { - struct hist_entry *he; -do_annotate: - if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) { - browser->selection->map->dso->annotate_warned = 1; - ui_helpline__puts("No vmlinux file found, can't " - "annotate with just a " - "kallsyms file"); - continue; - } - - he = hist_browser__selected_entry(browser); - if (he == NULL) - continue; - - hist_entry__tui_annotate(he); - } else if (choice == browse_map) - map__browse(browser->selection->map); - else if (choice == zoom_dso) { -zoom_dso: - if (dso_filter) { - pstack__remove(fstack, &dso_filter); -zoom_out_dso: - ui_helpline__pop(); - dso_filter = NULL; - } else { - if (dso == NULL) - continue; - ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", - dso->kernel ? "the Kernel" : dso->short_name); - dso_filter = dso; - pstack__push(fstack, &dso_filter); - } - hists__filter_by_dso(self, dso_filter); - hist_browser__title(msg, sizeof(msg), ev_name, - dso_filter, thread_filter); - hist_browser__reset(browser); - } else if (choice == zoom_thread) { -zoom_thread: - if (thread_filter) { - pstack__remove(fstack, &thread_filter); -zoom_out_thread: - ui_helpline__pop(); - thread_filter = NULL; - } else { - ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", - thread->comm_set ? thread->comm : "", - thread->pid); - thread_filter = thread; - pstack__push(fstack, &thread_filter); - } - hists__filter_by_thread(self, thread_filter); - hist_browser__title(msg, sizeof(msg), ev_name, - dso_filter, thread_filter); - hist_browser__reset(browser); - } - } -out_free_stack: - pstack__delete(fstack); -out: - hist_browser__delete(browser); - return key; -} - -int hists__tui_browse_tree(struct rb_root *self, const char *help) -{ - struct rb_node *first = rb_first(self), *nd = first, *next; - int key = 0; - - while (nd) { - struct hists *hists = rb_entry(nd, struct hists, rb_node); - const char *ev_name = __event_name(hists->type, hists->config); - - key = hists__browse(hists, help, ev_name); - - if (is_exit_key(key)) - break; - - switch (key) { - case NEWT_KEY_TAB: - next = rb_next(nd); - if (next) - nd = next; - break; - case NEWT_KEY_UNTAB: - if (nd == first) - continue; - nd = rb_prev(nd); - default: - break; - } - } - - return key; -} - static void newt_suspend(void *d __used) { newtSuspend(); @@ -476,638 +168,3 @@ void exit_browser(bool wait_for_ok) newtFinished(); } } - -static void hist_browser__refresh_dimensions(struct hist_browser *self) -{ - /* 3 == +/- toggle symbol before actual hist_entry rendering */ - self->b.width = 3 + (hists__sort_list_width(self->hists) + - sizeof("[k]")); -} - -static void hist_browser__reset(struct hist_browser *self) -{ - self->b.nr_entries = self->hists->nr_entries; - hist_browser__refresh_dimensions(self); - ui_browser__reset_index(&self->b); -} - -static char tree__folded_sign(bool unfolded) -{ - return unfolded ? '-' : '+'; -} - -static char map_symbol__folded(const struct map_symbol *self) -{ - return self->has_children ? tree__folded_sign(self->unfolded) : ' '; -} - -static char hist_entry__folded(const struct hist_entry *self) -{ - return map_symbol__folded(&self->ms); -} - -static char callchain_list__folded(const struct callchain_list *self) -{ - return map_symbol__folded(&self->ms); -} - -static bool map_symbol__toggle_fold(struct map_symbol *self) -{ - if (!self->has_children) - return false; - - self->unfolded = !self->unfolded; - return true; -} - -#define LEVEL_OFFSET_STEP 3 - -static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self, - struct callchain_node *chain_node, - u64 total, int level, - unsigned short row, - off_t *row_offset, - bool *is_current_entry) -{ - struct rb_node *node; - int first_row = row, width, offset = level * LEVEL_OFFSET_STEP; - u64 new_total, remaining; - - if (callchain_param.mode == CHAIN_GRAPH_REL) - new_total = chain_node->children_hit; - else - new_total = total; - - remaining = new_total; - node = rb_first(&chain_node->rb_root); - while (node) { - struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); - struct rb_node *next = rb_next(node); - u64 cumul = cumul_hits(child); - struct callchain_list *chain; - char folded_sign = ' '; - int first = true; - int extra_offset = 0; - - remaining -= cumul; - - list_for_each_entry(chain, &child->val, list) { - char ipstr[BITS_PER_LONG / 4 + 1], *alloc_str; - const char *str; - int color; - bool was_first = first; - - if (first) { - first = false; - chain->ms.has_children = chain->list.next != &child->val || - rb_first(&child->rb_root) != NULL; - } else { - extra_offset = LEVEL_OFFSET_STEP; - chain->ms.has_children = chain->list.next == &child->val && - rb_first(&child->rb_root) != NULL; - } - - folded_sign = callchain_list__folded(chain); - if (*row_offset != 0) { - --*row_offset; - goto do_next; - } - - alloc_str = NULL; - str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); - if (was_first) { - double percent = cumul * 100.0 / new_total; - - if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) - str = "Not enough memory!"; - else - str = alloc_str; - } - - color = HE_COLORSET_NORMAL; - width = self->b.width - (offset + extra_offset + 2); - if (ui_browser__is_current_entry(&self->b, row)) { - self->selection = &chain->ms; - color = HE_COLORSET_SELECTED; - *is_current_entry = true; - } - - SLsmg_set_color(color); - SLsmg_gotorc(self->b.y + row, self->b.x); - slsmg_write_nstring(" ", offset + extra_offset); - slsmg_printf("%c ", folded_sign); - slsmg_write_nstring(str, width); - free(alloc_str); - - if (++row == self->b.height) - goto out; -do_next: - if (folded_sign == '+') - break; - } - - if (folded_sign == '-') { - const int new_level = level + (extra_offset ? 2 : 1); - row += hist_browser__show_callchain_node_rb_tree(self, child, new_total, - new_level, row, row_offset, - is_current_entry); - } - if (row == self->b.height) - goto out; - node = next; - } -out: - return row - first_row; -} - -static int hist_browser__show_callchain_node(struct hist_browser *self, - struct callchain_node *node, - int level, unsigned short row, - off_t *row_offset, - bool *is_current_entry) -{ - struct callchain_list *chain; - int first_row = row, - offset = level * LEVEL_OFFSET_STEP, - width = self->b.width - offset; - char folded_sign = ' '; - - list_for_each_entry(chain, &node->val, list) { - char ipstr[BITS_PER_LONG / 4 + 1], *s; - int color; - /* - * FIXME: This should be moved to somewhere else, - * probably when the callchain is created, so as not to - * traverse it all over again - */ - chain->ms.has_children = rb_first(&node->rb_root) != NULL; - folded_sign = callchain_list__folded(chain); - - if (*row_offset != 0) { - --*row_offset; - continue; - } - - color = HE_COLORSET_NORMAL; - if (ui_browser__is_current_entry(&self->b, row)) { - self->selection = &chain->ms; - color = HE_COLORSET_SELECTED; - *is_current_entry = true; - } - - s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); - SLsmg_gotorc(self->b.y + row, self->b.x); - SLsmg_set_color(color); - slsmg_write_nstring(" ", offset); - slsmg_printf("%c ", folded_sign); - slsmg_write_nstring(s, width - 2); - - if (++row == self->b.height) - goto out; - } - - if (folded_sign == '-') - row += hist_browser__show_callchain_node_rb_tree(self, node, - self->hists->stats.total_period, - level + 1, row, - row_offset, - is_current_entry); -out: - return row - first_row; -} - -static int hist_browser__show_callchain(struct hist_browser *self, - struct rb_root *chain, - int level, unsigned short row, - off_t *row_offset, - bool *is_current_entry) -{ - struct rb_node *nd; - int first_row = row; - - for (nd = rb_first(chain); nd; nd = rb_next(nd)) { - struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); - - row += hist_browser__show_callchain_node(self, node, level, - row, row_offset, - is_current_entry); - if (row == self->b.height) - break; - } - - return row - first_row; -} - -static int hist_browser__show_entry(struct hist_browser *self, - struct hist_entry *entry, - unsigned short row) -{ - char s[256]; - double percent; - int printed = 0; - int color, width = self->b.width; - char folded_sign = ' '; - bool current_entry = ui_browser__is_current_entry(&self->b, row); - off_t row_offset = entry->row_offset; - - if (current_entry) { - self->he_selection = entry; - self->selection = &entry->ms; - } - - if (symbol_conf.use_callchain) { - entry->ms.has_children = !RB_EMPTY_ROOT(&entry->sorted_chain); - folded_sign = hist_entry__folded(entry); - } - - if (row_offset == 0) { - hist_entry__snprintf(entry, s, sizeof(s), self->hists, NULL, false, - 0, false, self->hists->stats.total_period); - percent = (entry->period * 100.0) / self->hists->stats.total_period; - - color = HE_COLORSET_SELECTED; - if (!current_entry) { - if (percent >= MIN_RED) - color = HE_COLORSET_TOP; - else if (percent >= MIN_GREEN) - color = HE_COLORSET_MEDIUM; - else - color = HE_COLORSET_NORMAL; - } - - SLsmg_set_color(color); - SLsmg_gotorc(self->b.y + row, self->b.x); - if (symbol_conf.use_callchain) { - slsmg_printf("%c ", folded_sign); - width -= 2; - } - slsmg_write_nstring(s, width); - ++row; - ++printed; - } else - --row_offset; - - if (folded_sign == '-' && row != self->b.height) { - printed += hist_browser__show_callchain(self, &entry->sorted_chain, - 1, row, &row_offset, - ¤t_entry); - if (current_entry) - self->he_selection = entry; - } - - return printed; -} - -static unsigned int hist_browser__refresh(struct ui_browser *self) -{ - unsigned row = 0; - struct rb_node *nd; - struct hist_browser *hb = container_of(self, struct hist_browser, b); - - if (self->top == NULL) - self->top = rb_first(&hb->hists->entries); - - for (nd = self->top; nd; nd = rb_next(nd)) { - struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - - if (h->filtered) - continue; - - row += hist_browser__show_entry(hb, h, row); - if (row == self->height) - break; - } - - return row; -} - -static void callchain_node__init_have_children_rb_tree(struct callchain_node *self) -{ - struct rb_node *nd = rb_first(&self->rb_root); - - for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { - struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); - struct callchain_list *chain; - int first = true; - - list_for_each_entry(chain, &child->val, list) { - if (first) { - first = false; - chain->ms.has_children = chain->list.next != &child->val || - rb_first(&child->rb_root) != NULL; - } else - chain->ms.has_children = chain->list.next == &child->val && - rb_first(&child->rb_root) != NULL; - } - - callchain_node__init_have_children_rb_tree(child); - } -} - -static void callchain_node__init_have_children(struct callchain_node *self) -{ - struct callchain_list *chain; - - list_for_each_entry(chain, &self->val, list) - chain->ms.has_children = rb_first(&self->rb_root) != NULL; - - callchain_node__init_have_children_rb_tree(self); -} - -static void callchain__init_have_children(struct rb_root *self) -{ - struct rb_node *nd; - - for (nd = rb_first(self); nd; nd = rb_next(nd)) { - struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); - callchain_node__init_have_children(node); - } -} - -static void hist_entry__init_have_children(struct hist_entry *self) -{ - if (!self->init_have_children) { - callchain__init_have_children(&self->sorted_chain); - self->init_have_children = true; - } -} - -static struct rb_node *hists__filter_entries(struct rb_node *nd) -{ - while (nd != NULL) { - struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - if (!h->filtered) - return nd; - - nd = rb_next(nd); - } - - return NULL; -} - -static struct rb_node *hists__filter_prev_entries(struct rb_node *nd) -{ - while (nd != NULL) { - struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); - if (!h->filtered) - return nd; - - nd = rb_prev(nd); - } - - return NULL; -} - -static void ui_browser__hists_seek(struct ui_browser *self, - off_t offset, int whence) -{ - struct hist_entry *h; - struct rb_node *nd; - bool first = true; - - switch (whence) { - case SEEK_SET: - nd = hists__filter_entries(rb_first(self->entries)); - break; - case SEEK_CUR: - nd = self->top; - goto do_offset; - case SEEK_END: - nd = hists__filter_prev_entries(rb_last(self->entries)); - first = false; - break; - default: - return; - } - - /* - * Moves not relative to the first visible entry invalidates its - * row_offset: - */ - h = rb_entry(self->top, struct hist_entry, rb_node); - h->row_offset = 0; - - /* - * Here we have to check if nd is expanded (+), if it is we can't go - * the next top level hist_entry, instead we must compute an offset of - * what _not_ to show and not change the first visible entry. - * - * This offset increments when we are going from top to bottom and - * decreases when we're going from bottom to top. - * - * As we don't have backpointers to the top level in the callchains - * structure, we need to always print the whole hist_entry callchain, - * skipping the first ones that are before the first visible entry - * and stop when we printed enough lines to fill the screen. - */ -do_offset: - if (offset > 0) { - do { - h = rb_entry(nd, struct hist_entry, rb_node); - if (h->ms.unfolded) { - u16 remaining = h->nr_rows - h->row_offset; - if (offset > remaining) { - offset -= remaining; - h->row_offset = 0; - } else { - h->row_offset += offset; - offset = 0; - self->top = nd; - break; - } - } - nd = hists__filter_entries(rb_next(nd)); - if (nd == NULL) - break; - --offset; - self->top = nd; - } while (offset != 0); - } else if (offset < 0) { - while (1) { - h = rb_entry(nd, struct hist_entry, rb_node); - if (h->ms.unfolded) { - if (first) { - if (-offset > h->row_offset) { - offset += h->row_offset; - h->row_offset = 0; - } else { - h->row_offset += offset; - offset = 0; - self->top = nd; - break; - } - } else { - if (-offset > h->nr_rows) { - offset += h->nr_rows; - h->row_offset = 0; - } else { - h->row_offset = h->nr_rows + offset; - offset = 0; - self->top = nd; - break; - } - } - } - - nd = hists__filter_prev_entries(rb_prev(nd)); - if (nd == NULL) - break; - ++offset; - self->top = nd; - if (offset == 0) { - /* - * Last unfiltered hist_entry, check if it is - * unfolded, if it is then we should have - * row_offset at its last entry. - */ - h = rb_entry(nd, struct hist_entry, rb_node); - if (h->ms.unfolded) - h->row_offset = h->nr_rows; - break; - } - first = false; - } - } else { - self->top = nd; - h = rb_entry(nd, struct hist_entry, rb_node); - h->row_offset = 0; - } -} - -static int callchain_node__count_rows_rb_tree(struct callchain_node *self) -{ - int n = 0; - struct rb_node *nd; - - for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { - struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); - struct callchain_list *chain; - char folded_sign = ' '; /* No children */ - - list_for_each_entry(chain, &child->val, list) { - ++n; - /* We need this because we may not have children */ - folded_sign = callchain_list__folded(chain); - if (folded_sign == '+') - break; - } - - if (folded_sign == '-') /* Have children and they're unfolded */ - n += callchain_node__count_rows_rb_tree(child); - } - - return n; -} - -static int callchain_node__count_rows(struct callchain_node *node) -{ - struct callchain_list *chain; - bool unfolded = false; - int n = 0; - - list_for_each_entry(chain, &node->val, list) { - ++n; - unfolded = chain->ms.unfolded; - } - - if (unfolded) - n += callchain_node__count_rows_rb_tree(node); - - return n; -} - -static int callchain__count_rows(struct rb_root *chain) -{ - struct rb_node *nd; - int n = 0; - - for (nd = rb_first(chain); nd; nd = rb_next(nd)) { - struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); - n += callchain_node__count_rows(node); - } - - return n; -} - -static bool hist_browser__toggle_fold(struct hist_browser *self) -{ - if (map_symbol__toggle_fold(self->selection)) { - struct hist_entry *he = self->he_selection; - - hist_entry__init_have_children(he); - self->hists->nr_entries -= he->nr_rows; - - if (he->ms.unfolded) - he->nr_rows = callchain__count_rows(&he->sorted_chain); - else - he->nr_rows = 0; - self->hists->nr_entries += he->nr_rows; - self->b.nr_entries = self->hists->nr_entries; - - return true; - } - - /* If it doesn't have children, no toggling performed */ - return false; -} - -static int hist_browser__run(struct hist_browser *self, const char *title, - struct newtExitStruct *es) -{ - char str[256], unit; - unsigned long nr_events = self->hists->stats.nr_events[PERF_RECORD_SAMPLE]; - - self->b.entries = &self->hists->entries; - self->b.nr_entries = self->hists->nr_entries; - - hist_browser__refresh_dimensions(self); - - nr_events = convert_unit(nr_events, &unit); - snprintf(str, sizeof(str), "Events: %lu%c ", - nr_events, unit); - newtDrawRootText(0, 0, str); - - if (ui_browser__show(&self->b, title) < 0) - return -1; - - newtFormAddHotKey(self->b.form, 'A'); - newtFormAddHotKey(self->b.form, 'a'); - newtFormAddHotKey(self->b.form, '?'); - newtFormAddHotKey(self->b.form, 'h'); - newtFormAddHotKey(self->b.form, 'H'); - newtFormAddHotKey(self->b.form, 'd'); - - newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT); - newtFormAddHotKey(self->b.form, NEWT_KEY_RIGHT); - newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER); - - while (1) { - ui_browser__run(&self->b, es); - - if (es->reason != NEWT_EXIT_HOTKEY) - break; - switch (es->u.key) { - case 'd': { /* Debug */ - static int seq; - struct hist_entry *h = rb_entry(self->b.top, - struct hist_entry, rb_node); - ui_helpline__pop(); - ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d", - seq++, self->b.nr_entries, - self->hists->nr_entries, - self->b.height, - self->b.index, - self->b.top_idx, - h->row_offset, h->nr_rows); - } - continue; - case NEWT_KEY_ENTER: - if (hist_browser__toggle_fold(self)) - break; - /* fall thru */ - default: - return 0; - } - } - return 0; -} |