litmus-rt.git - The LITMUS^RT kernel.

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Diffstat (limited to 'net/tipc/link.c')

0 files changed, 0 insertions, 0 deletions

#include "../browser.h" #include "../helpline.h" #include "../libslang.h" #include "../../annotate.h" #include "../../hist.h" #include "../../sort.h" #include "../../symbol.h" #include <pthread.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); } 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); if (!current_entry) ui_browser__set_color(self, HE_COLORSET_CODE); } static double objdump_line__calc_percent(struct objdump_line *self, struct symbol *sym, int evidx) { double percent = 0.0; if (self->offset != -1) { int len = sym->end - sym->start; unsigned int hits = 0; struct annotation *notes = symbol__annotation(sym); struct source_line *src_line = notes->src->lines; struct sym_hist *h = annotation__histogram(notes, evidx); s64 offset = self->offset; struct objdump_line *next; next = objdump__get_next_ip_line(&notes->src->source, self); while (offset < (s64)len && (next == NULL || offset < next->offset)) { if (src_line) { percent += src_line[offset].percent; } else hits += h->addr[offset]; ++offset; } /* * If the percentage wasn't already calculated in * symbol__get_source_line, do it now: */ if (src_line == 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 void annotate_browser__calc_percent(struct annotate_browser *browser, int evidx) { struct symbol *sym = browser->b.priv; struct annotation *notes = symbol__annotation(sym); struct objdump_line *pos; browser->entries = RB_ROOT; pthread_mutex_lock(&notes->lock); list_for_each_entry(pos, &notes->src->source, node) { struct objdump_line_rb_node *rbpos = objdump_line__rb(pos); rbpos->percent = objdump_line__calc_percent(pos, sym, evidx); if (rbpos->percent < 0.01) { RB_CLEAR_NODE(&rbpos->rb_node); continue; } objdump__insert_line(&browser->entries, rbpos); } pthread_mutex_unlock(&notes->lock); browser->curr_hot = rb_last(&browser->entries); } static int annotate_browser__run(struct annotate_browser *self, int evidx, int refresh) { struct rb_node *nd = NULL; struct symbol *sym = self->b.priv; /* * RIGHT To allow builtin-annotate to cycle thru multiple symbols by * examining the exit key for this function. */ int exit_keys[] = { 'H', NEWT_KEY_TAB, NEWT_KEY_UNTAB, NEWT_KEY_RIGHT, 0 }; int key; if (ui_browser__show(&self->b, sym->name, "<-, -> or ESC: exit, TAB/shift+TAB: " "cycle hottest lines, H: Hottest") < 0) return -1; ui_browser__add_exit_keys(&self->b, exit_keys); annotate_browser__calc_percent(self, evidx); if (self->curr_hot) annotate_browser__set_top(self, self->curr_hot); nd = self->curr_hot; if (refresh != 0) newtFormSetTimer(self->b.form, refresh); while (1) { key = ui_browser__run(&self->b); if (refresh != 0) { annotate_browser__calc_percent(self, evidx); /* * Current line focus got out of the list of most active * lines, NULL it so that if TAB|UNTAB is pressed, we * move to curr_hot (current hottest line). */ if (nd != NULL && RB_EMPTY_NODE(nd)) nd = NULL; } switch (key) { case -1: /* * FIXME we need to check if it was * es.reason == NEWT_EXIT_TIMER */ if (refresh != 0) symbol__annotate_decay_histogram(sym, evidx); continue; case NEWT_KEY_TAB: if (nd != NULL) { nd = rb_prev(nd); if (nd == NULL) nd = rb_last(&self->entries); } else nd = self->curr_hot; break; case NEWT_KEY_UNTAB: if (nd != NULL) nd = rb_next(nd); if (nd == NULL) nd = rb_first(&self->entries); else nd = self->curr_hot; break; case 'H': nd = self->curr_hot; break; default: goto out; } if (nd != NULL) annotate_browser__set_top(self, nd); } out: ui_browser__hide(&self->b); return key; } int hist_entry__tui_annotate(struct hist_entry *he, int evidx) { return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, 0); } int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, int refresh) { struct objdump_line *pos, *n; struct annotation *notes; struct annotate_browser browser = { .b = { .refresh = ui_browser__list_head_refresh, .seek = ui_browser__list_head_seek, .write = annotate_browser__write, .priv = sym, }, }; int ret; if (sym == NULL) return -1; if (map->dso->annotate_warned) return -1; if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) { ui__error_window(ui_helpline__last_msg); return -1; } ui_helpline__push("Press <- or ESC to exit"); notes = symbol__annotation(sym); list_for_each_entry(pos, &notes->src->source, node) { struct objdump_line_rb_node *rbpos; 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++; } browser.b.entries = &notes->src->source, browser.b.width += 18; /* Percentage */ ret = annotate_browser__run(&browser, evidx, refresh); list_for_each_entry_safe(pos, n, &notes->src->source, node) { list_del(&pos->node); objdump_line__free(pos); } return ret; }


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