diff options
Diffstat (limited to 'tools/perf/util/ui/browsers/annotate.c')
| -rw-r--r-- | tools/perf/util/ui/browsers/annotate.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c deleted file mode 100644 index 82b78f99251..00000000000 --- a/tools/perf/util/ui/browsers/annotate.c +++ /dev/null @@ -1,237 +0,0 @@ -#include "../browser.h" -#include "../helpline.h" -#include "../libslang.h" -#include "../../hist.h" -#include "../../sort.h" -#include "../../symbol.h" - -static void ui__error_window(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap); - va_end(ap); -} - -struct annotate_browser { - struct ui_browser b; - struct rb_root entries; - struct rb_node *curr_hot; -}; - -struct objdump_line_rb_node { - struct rb_node rb_node; - double percent; - u32 idx; -}; - -static inline -struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self) -{ - return (struct objdump_line_rb_node *)(self + 1); -} - -static void annotate_browser__write(struct ui_browser *self, void *entry, int row) -{ - struct objdump_line *ol = rb_entry(entry, struct objdump_line, node); - bool current_entry = ui_browser__is_current_entry(self, row); - int width = self->width; - - if (ol->offset != -1) { - struct objdump_line_rb_node *olrb = objdump_line__rb(ol); - ui_browser__set_percent_color(self, olrb->percent, current_entry); - slsmg_printf(" %7.2f ", olrb->percent); - if (!current_entry) - ui_browser__set_color(self, HE_COLORSET_CODE); - } else { - ui_browser__set_percent_color(self, 0, current_entry); - slsmg_write_nstring(" ", 9); - } - - SLsmg_write_char(':'); - slsmg_write_nstring(" ", 8); - if (!*ol->line) - slsmg_write_nstring(" ", width - 18); - else - slsmg_write_nstring(ol->line, width - 18); -} - -static double objdump_line__calc_percent(struct objdump_line *self, - struct list_head *head, - struct symbol *sym) -{ - double percent = 0.0; - - if (self->offset != -1) { - int len = sym->end - sym->start; - unsigned int hits = 0; - struct sym_priv *priv = symbol__priv(sym); - struct sym_ext *sym_ext = priv->ext; - struct sym_hist *h = priv->hist; - s64 offset = self->offset; - struct objdump_line *next = objdump__get_next_ip_line(head, self); - - - while (offset < (s64)len && - (next == NULL || offset < next->offset)) { - if (sym_ext) { - percent += sym_ext[offset].percent; - } else - hits += h->ip[offset]; - - ++offset; - } - - if (sym_ext == NULL && h->sum) - percent = 100.0 * hits / h->sum; - } - - return percent; -} - -static void objdump__insert_line(struct rb_root *self, - struct objdump_line_rb_node *line) -{ - struct rb_node **p = &self->rb_node; - struct rb_node *parent = NULL; - struct objdump_line_rb_node *l; - - while (*p != NULL) { - parent = *p; - l = rb_entry(parent, struct objdump_line_rb_node, rb_node); - if (line->percent < l->percent) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - rb_link_node(&line->rb_node, parent, p); - rb_insert_color(&line->rb_node, self); -} - -static void annotate_browser__set_top(struct annotate_browser *self, - struct rb_node *nd) -{ - struct objdump_line_rb_node *rbpos; - struct objdump_line *pos; - unsigned back; - - ui_browser__refresh_dimensions(&self->b); - back = self->b.height / 2; - rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node); - pos = ((struct objdump_line *)rbpos) - 1; - self->b.top_idx = self->b.index = rbpos->idx; - - while (self->b.top_idx != 0 && back != 0) { - pos = list_entry(pos->node.prev, struct objdump_line, node); - - --self->b.top_idx; - --back; - } - - self->b.top = pos; - self->curr_hot = nd; -} - -static int annotate_browser__run(struct annotate_browser *self) -{ - struct rb_node *nd; - struct hist_entry *he = self->b.priv; - int key; - - if (ui_browser__show(&self->b, he->ms.sym->name, - "<-, -> or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0) - return -1; - /* - * To allow builtin-annotate to cycle thru multiple symbols by - * examining the exit key for this function. - */ - ui_browser__add_exit_key(&self->b, NEWT_KEY_RIGHT); - - nd = self->curr_hot; - if (nd) { - int tabs[] = { NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0 }; - ui_browser__add_exit_keys(&self->b, tabs); - } - - while (1) { - key = ui_browser__run(&self->b); - - switch (key) { - case NEWT_KEY_TAB: - nd = rb_prev(nd); - if (nd == NULL) - nd = rb_last(&self->entries); - annotate_browser__set_top(self, nd); - break; - case NEWT_KEY_UNTAB: - nd = rb_next(nd); - if (nd == NULL) - nd = rb_first(&self->entries); - annotate_browser__set_top(self, nd); - break; - default: - goto out; - } - } -out: - ui_browser__hide(&self->b); - return key; -} - -int hist_entry__tui_annotate(struct hist_entry *self) -{ - struct objdump_line *pos, *n; - struct objdump_line_rb_node *rbpos; - LIST_HEAD(head); - struct annotate_browser browser = { - .b = { - .entries = &head, - .refresh = ui_browser__list_head_refresh, - .seek = ui_browser__list_head_seek, - .write = annotate_browser__write, - .priv = self, - }, - }; - int ret; - - if (self->ms.sym == NULL) - return -1; - - if (self->ms.map->dso->annotate_warned) - return -1; - - if (hist_entry__annotate(self, &head, sizeof(*rbpos)) < 0) { - ui__error_window(ui_helpline__last_msg); - return -1; - } - - ui_helpline__push("Press <- or ESC to exit"); - - list_for_each_entry(pos, &head, node) { - size_t line_len = strlen(pos->line); - if (browser.b.width < line_len) - browser.b.width = line_len; - rbpos = objdump_line__rb(pos); - rbpos->idx = browser.b.nr_entries++; - rbpos->percent = objdump_line__calc_percent(pos, &head, self->ms.sym); - if (rbpos->percent < 0.01) - continue; - objdump__insert_line(&browser.entries, rbpos); - } - - /* - * Position the browser at the hottest line. - */ - browser.curr_hot = rb_last(&browser.entries); - if (browser.curr_hot) - annotate_browser__set_top(&browser, browser.curr_hot); - - browser.b.width += 18; /* Percentage */ - ret = annotate_browser__run(&browser); - list_for_each_entry_safe(pos, n, &head, node) { - list_del(&pos->node); - objdump_line__free(pos); - } - return ret; -} |