diff options
Diffstat (limited to 'src/tools/perf/ui/browsers/annotate.c')
| -rw-r--r-- | src/tools/perf/ui/browsers/annotate.c | 1021 |
1 files changed, 0 insertions, 1021 deletions
diff --git a/src/tools/perf/ui/browsers/annotate.c b/src/tools/perf/ui/browsers/annotate.c deleted file mode 100644 index 08545ae..0000000 --- a/src/tools/perf/ui/browsers/annotate.c +++ /dev/null @@ -1,1021 +0,0 @@ -#include "../../util/util.h" -#include "../browser.h" -#include "../helpline.h" -#include "../libslang.h" -#include "../ui.h" -#include "../util.h" -#include "../../util/annotate.h" -#include "../../util/hist.h" -#include "../../util/sort.h" -#include "../../util/symbol.h" -#include "../../util/evsel.h" -#include <pthread.h> - -struct browser_disasm_line { - struct rb_node rb_node; - u32 idx; - int idx_asm; - int jump_sources; - /* - * actual length of this array is saved on the nr_events field - * of the struct annotate_browser - */ - double percent[1]; -}; - -static struct annotate_browser_opt { - bool hide_src_code, - use_offset, - jump_arrows, - show_nr_jumps; -} annotate_browser__opts = { - .use_offset = true, - .jump_arrows = true, -}; - -struct annotate_browser { - struct ui_browser b; - struct rb_root entries; - struct rb_node *curr_hot; - struct disasm_line *selection; - struct disasm_line **offsets; - int nr_events; - u64 start; - int nr_asm_entries; - int nr_entries; - int max_jump_sources; - int nr_jumps; - bool searching_backwards; - u8 addr_width; - u8 jumps_width; - u8 target_width; - u8 min_addr_width; - u8 max_addr_width; - char search_bf[128]; -}; - -static inline struct browser_disasm_line *disasm_line__browser(struct disasm_line *dl) -{ - return (struct browser_disasm_line *)(dl + 1); -} - -static bool disasm_line__filter(struct ui_browser *browser __maybe_unused, - void *entry) -{ - if (annotate_browser__opts.hide_src_code) { - struct disasm_line *dl = list_entry(entry, struct disasm_line, node); - return dl->offset == -1; - } - - return false; -} - -static int annotate_browser__jumps_percent_color(struct annotate_browser *browser, - int nr, bool current) -{ - if (current && (!browser->b.use_navkeypressed || browser->b.navkeypressed)) - return HE_COLORSET_SELECTED; - if (nr == browser->max_jump_sources) - return HE_COLORSET_TOP; - if (nr > 1) - return HE_COLORSET_MEDIUM; - return HE_COLORSET_NORMAL; -} - -static int annotate_browser__set_jumps_percent_color(struct annotate_browser *browser, - int nr, bool current) -{ - int color = annotate_browser__jumps_percent_color(browser, nr, current); - return ui_browser__set_color(&browser->b, color); -} - -static void annotate_browser__write(struct ui_browser *browser, void *entry, int row) -{ - struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); - struct disasm_line *dl = list_entry(entry, struct disasm_line, node); - struct browser_disasm_line *bdl = disasm_line__browser(dl); - bool current_entry = ui_browser__is_current_entry(browser, row); - bool change_color = (!annotate_browser__opts.hide_src_code && - (!current_entry || (browser->use_navkeypressed && - !browser->navkeypressed))); - int width = browser->width, printed; - int i, pcnt_width = 7 * ab->nr_events; - double percent_max = 0.0; - char bf[256]; - - for (i = 0; i < ab->nr_events; i++) { - if (bdl->percent[i] > percent_max) - percent_max = bdl->percent[i]; - } - - if (dl->offset != -1 && percent_max != 0.0) { - for (i = 0; i < ab->nr_events; i++) { - ui_browser__set_percent_color(browser, bdl->percent[i], - current_entry); - slsmg_printf("%6.2f ", bdl->percent[i]); - } - } else { - ui_browser__set_percent_color(browser, 0, current_entry); - slsmg_write_nstring(" ", pcnt_width); - } - - SLsmg_write_char(' '); - - /* The scroll bar isn't being used */ - if (!browser->navkeypressed) - width += 1; - - if (!*dl->line) - slsmg_write_nstring(" ", width - pcnt_width); - else if (dl->offset == -1) { - printed = scnprintf(bf, sizeof(bf), "%*s ", - ab->addr_width, " "); - slsmg_write_nstring(bf, printed); - slsmg_write_nstring(dl->line, width - printed - pcnt_width + 1); - } else { - u64 addr = dl->offset; - int color = -1; - - if (!annotate_browser__opts.use_offset) - addr += ab->start; - - if (!annotate_browser__opts.use_offset) { - printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); - } else { - if (bdl->jump_sources) { - if (annotate_browser__opts.show_nr_jumps) { - int prev; - printed = scnprintf(bf, sizeof(bf), "%*d ", - ab->jumps_width, - bdl->jump_sources); - prev = annotate_browser__set_jumps_percent_color(ab, bdl->jump_sources, - current_entry); - slsmg_write_nstring(bf, printed); - ui_browser__set_color(browser, prev); - } - - printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", - ab->target_width, addr); - } else { - printed = scnprintf(bf, sizeof(bf), "%*s ", - ab->addr_width, " "); - } - } - - if (change_color) - color = ui_browser__set_color(browser, HE_COLORSET_ADDR); - slsmg_write_nstring(bf, printed); - if (change_color) - ui_browser__set_color(browser, color); - if (dl->ins && dl->ins->ops->scnprintf) { - if (ins__is_jump(dl->ins)) { - bool fwd = dl->ops.target.offset > (u64)dl->offset; - - ui_browser__write_graph(browser, fwd ? SLSMG_DARROW_CHAR : - SLSMG_UARROW_CHAR); - SLsmg_write_char(' '); - } else if (ins__is_call(dl->ins)) { - ui_browser__write_graph(browser, SLSMG_RARROW_CHAR); - SLsmg_write_char(' '); - } else { - slsmg_write_nstring(" ", 2); - } - } else { - if (strcmp(dl->name, "retq")) { - slsmg_write_nstring(" ", 2); - } else { - ui_browser__write_graph(browser, SLSMG_LARROW_CHAR); - SLsmg_write_char(' '); - } - } - - disasm_line__scnprintf(dl, bf, sizeof(bf), !annotate_browser__opts.use_offset); - slsmg_write_nstring(bf, width - pcnt_width - 3 - printed); - } - - if (current_entry) - ab->selection = dl; -} - -static bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym) -{ - if (!dl || !dl->ins || !ins__is_jump(dl->ins) - || !disasm_line__has_offset(dl) - || dl->ops.target.offset >= symbol__size(sym)) - return false; - - return true; -} - -static void annotate_browser__draw_current_jump(struct ui_browser *browser) -{ - struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); - struct disasm_line *cursor = ab->selection, *target; - struct browser_disasm_line *btarget, *bcursor; - unsigned int from, to; - struct map_symbol *ms = ab->b.priv; - struct symbol *sym = ms->sym; - u8 pcnt_width = 7; - - /* PLT symbols contain external offsets */ - if (strstr(sym->name, "@plt")) - return; - - if (!disasm_line__is_valid_jump(cursor, sym)) - return; - - target = ab->offsets[cursor->ops.target.offset]; - if (!target) - return; - - bcursor = disasm_line__browser(cursor); - btarget = disasm_line__browser(target); - - if (annotate_browser__opts.hide_src_code) { - from = bcursor->idx_asm; - to = btarget->idx_asm; - } else { - from = (u64)bcursor->idx; - to = (u64)btarget->idx; - } - - pcnt_width *= ab->nr_events; - - ui_browser__set_color(browser, HE_COLORSET_CODE); - __ui_browser__line_arrow(browser, pcnt_width + 2 + ab->addr_width, - from, to); -} - -static unsigned int annotate_browser__refresh(struct ui_browser *browser) -{ - struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); - int ret = ui_browser__list_head_refresh(browser); - int pcnt_width; - - pcnt_width = 7 * ab->nr_events; - - if (annotate_browser__opts.jump_arrows) - annotate_browser__draw_current_jump(browser); - - ui_browser__set_color(browser, HE_COLORSET_NORMAL); - __ui_browser__vline(browser, pcnt_width, 0, browser->height - 1); - return ret; -} - -static int disasm__cmp(struct browser_disasm_line *a, - struct browser_disasm_line *b, int nr_pcnt) -{ - int i; - - for (i = 0; i < nr_pcnt; i++) { - if (a->percent[i] == b->percent[i]) - continue; - return a->percent[i] < b->percent[i]; - } - return 0; -} - -static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_line *bdl, - int nr_events) -{ - struct rb_node **p = &root->rb_node; - struct rb_node *parent = NULL; - struct browser_disasm_line *l; - - while (*p != NULL) { - parent = *p; - l = rb_entry(parent, struct browser_disasm_line, rb_node); - - if (disasm__cmp(bdl, l, nr_events)) - p = &(*p)->rb_left; - else - p = &(*p)->rb_right; - } - rb_link_node(&bdl->rb_node, parent, p); - rb_insert_color(&bdl->rb_node, root); -} - -static void annotate_browser__set_top(struct annotate_browser *browser, - struct disasm_line *pos, u32 idx) -{ - unsigned back; - - ui_browser__refresh_dimensions(&browser->b); - back = browser->b.height / 2; - browser->b.top_idx = browser->b.index = idx; - - while (browser->b.top_idx != 0 && back != 0) { - pos = list_entry(pos->node.prev, struct disasm_line, node); - - if (disasm_line__filter(&browser->b, &pos->node)) - continue; - - --browser->b.top_idx; - --back; - } - - browser->b.top = pos; - browser->b.navkeypressed = true; -} - -static void annotate_browser__set_rb_top(struct annotate_browser *browser, - struct rb_node *nd) -{ - struct browser_disasm_line *bpos; - struct disasm_line *pos; - u32 idx; - - bpos = rb_entry(nd, struct browser_disasm_line, rb_node); - pos = ((struct disasm_line *)bpos) - 1; - idx = bpos->idx; - if (annotate_browser__opts.hide_src_code) - idx = bpos->idx_asm; - annotate_browser__set_top(browser, pos, idx); - browser->curr_hot = nd; -} - -static void annotate_browser__calc_percent(struct annotate_browser *browser, - struct perf_evsel *evsel) -{ - struct map_symbol *ms = browser->b.priv; - struct symbol *sym = ms->sym; - struct annotation *notes = symbol__annotation(sym); - struct disasm_line *pos, *next; - s64 len = symbol__size(sym); - - browser->entries = RB_ROOT; - - pthread_mutex_lock(¬es->lock); - - list_for_each_entry(pos, ¬es->src->source, node) { - struct browser_disasm_line *bpos = disasm_line__browser(pos); - const char *path = NULL; - double max_percent = 0.0; - int i; - - if (pos->offset == -1) { - RB_CLEAR_NODE(&bpos->rb_node); - continue; - } - - next = disasm__get_next_ip_line(¬es->src->source, pos); - - for (i = 0; i < browser->nr_events; i++) { - bpos->percent[i] = disasm__calc_percent(notes, - evsel->idx + i, - pos->offset, - next ? next->offset : len, - &path); - - if (max_percent < bpos->percent[i]) - max_percent = bpos->percent[i]; - } - - if (max_percent < 0.01) { - RB_CLEAR_NODE(&bpos->rb_node); - continue; - } - disasm_rb_tree__insert(&browser->entries, bpos, - browser->nr_events); - } - pthread_mutex_unlock(¬es->lock); - - browser->curr_hot = rb_last(&browser->entries); -} - -static bool annotate_browser__toggle_source(struct annotate_browser *browser) -{ - struct disasm_line *dl; - struct browser_disasm_line *bdl; - off_t offset = browser->b.index - browser->b.top_idx; - - browser->b.seek(&browser->b, offset, SEEK_CUR); - dl = list_entry(browser->b.top, struct disasm_line, node); - bdl = disasm_line__browser(dl); - - if (annotate_browser__opts.hide_src_code) { - if (bdl->idx_asm < offset) - offset = bdl->idx; - - browser->b.nr_entries = browser->nr_entries; - annotate_browser__opts.hide_src_code = false; - browser->b.seek(&browser->b, -offset, SEEK_CUR); - browser->b.top_idx = bdl->idx - offset; - browser->b.index = bdl->idx; - } else { - if (bdl->idx_asm < 0) { - ui_helpline__puts("Only available for assembly lines."); - browser->b.seek(&browser->b, -offset, SEEK_CUR); - return false; - } - - if (bdl->idx_asm < offset) - offset = bdl->idx_asm; - - browser->b.nr_entries = browser->nr_asm_entries; - annotate_browser__opts.hide_src_code = true; - browser->b.seek(&browser->b, -offset, SEEK_CUR); - browser->b.top_idx = bdl->idx_asm - offset; - browser->b.index = bdl->idx_asm; - } - - return true; -} - -static void annotate_browser__init_asm_mode(struct annotate_browser *browser) -{ - ui_browser__reset_index(&browser->b); - browser->b.nr_entries = browser->nr_asm_entries; -} - -#define SYM_TITLE_MAX_SIZE (PATH_MAX + 64) - -static int sym_title(struct symbol *sym, struct map *map, char *title, - size_t sz) -{ - return snprintf(title, sz, "%s %s", sym->name, map->dso->long_name); -} - -static bool annotate_browser__callq(struct annotate_browser *browser, - struct perf_evsel *evsel, - struct hist_browser_timer *hbt) -{ - struct map_symbol *ms = browser->b.priv; - struct disasm_line *dl = browser->selection; - struct symbol *sym = ms->sym; - struct annotation *notes; - struct symbol *target; - u64 ip; - char title[SYM_TITLE_MAX_SIZE]; - - if (!ins__is_call(dl->ins)) - return false; - - ip = ms->map->map_ip(ms->map, dl->ops.target.addr); - target = map__find_symbol(ms->map, ip, NULL); - if (target == NULL) { - ui_helpline__puts("The called function was not found."); - return true; - } - - notes = symbol__annotation(target); - pthread_mutex_lock(¬es->lock); - - if (notes->src == NULL && symbol__alloc_hist(target) < 0) { - pthread_mutex_unlock(¬es->lock); - ui__warning("Not enough memory for annotating '%s' symbol!\n", - target->name); - return true; - } - - pthread_mutex_unlock(¬es->lock); - symbol__tui_annotate(target, ms->map, evsel, hbt); - sym_title(sym, ms->map, title, sizeof(title)); - ui_browser__show_title(&browser->b, title); - return true; -} - -static -struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser, - s64 offset, s64 *idx) -{ - struct map_symbol *ms = browser->b.priv; - struct symbol *sym = ms->sym; - struct annotation *notes = symbol__annotation(sym); - struct disasm_line *pos; - - *idx = 0; - list_for_each_entry(pos, ¬es->src->source, node) { - if (pos->offset == offset) - return pos; - if (!disasm_line__filter(&browser->b, &pos->node)) - ++*idx; - } - - return NULL; -} - -static bool annotate_browser__jump(struct annotate_browser *browser) -{ - struct disasm_line *dl = browser->selection; - s64 idx; - - if (!ins__is_jump(dl->ins)) - return false; - - dl = annotate_browser__find_offset(browser, dl->ops.target.offset, &idx); - if (dl == NULL) { - ui_helpline__puts("Invalid jump offset"); - return true; - } - - annotate_browser__set_top(browser, dl, idx); - - return true; -} - -static -struct disasm_line *annotate_browser__find_string(struct annotate_browser *browser, - char *s, s64 *idx) -{ - struct map_symbol *ms = browser->b.priv; - struct symbol *sym = ms->sym; - struct annotation *notes = symbol__annotation(sym); - struct disasm_line *pos = browser->selection; - - *idx = browser->b.index; - list_for_each_entry_continue(pos, ¬es->src->source, node) { - if (disasm_line__filter(&browser->b, &pos->node)) - continue; - - ++*idx; - - if (pos->line && strstr(pos->line, s) != NULL) - return pos; - } - - return NULL; -} - -static bool __annotate_browser__search(struct annotate_browser *browser) -{ - struct disasm_line *dl; - s64 idx; - - dl = annotate_browser__find_string(browser, browser->search_bf, &idx); - if (dl == NULL) { - ui_helpline__puts("String not found!"); - return false; - } - - annotate_browser__set_top(browser, dl, idx); - browser->searching_backwards = false; - return true; -} - -static -struct disasm_line *annotate_browser__find_string_reverse(struct annotate_browser *browser, - char *s, s64 *idx) -{ - struct map_symbol *ms = browser->b.priv; - struct symbol *sym = ms->sym; - struct annotation *notes = symbol__annotation(sym); - struct disasm_line *pos = browser->selection; - - *idx = browser->b.index; - list_for_each_entry_continue_reverse(pos, ¬es->src->source, node) { - if (disasm_line__filter(&browser->b, &pos->node)) - continue; - - --*idx; - - if (pos->line && strstr(pos->line, s) != NULL) - return pos; - } - - return NULL; -} - -static bool __annotate_browser__search_reverse(struct annotate_browser *browser) -{ - struct disasm_line *dl; - s64 idx; - - dl = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); - if (dl == NULL) { - ui_helpline__puts("String not found!"); - return false; - } - - annotate_browser__set_top(browser, dl, idx); - browser->searching_backwards = true; - return true; -} - -static bool annotate_browser__search_window(struct annotate_browser *browser, - int delay_secs) -{ - if (ui_browser__input_window("Search", "String: ", browser->search_bf, - "ENTER: OK, ESC: Cancel", - delay_secs * 2) != K_ENTER || - !*browser->search_bf) - return false; - - return true; -} - -static bool annotate_browser__search(struct annotate_browser *browser, int delay_secs) -{ - if (annotate_browser__search_window(browser, delay_secs)) - return __annotate_browser__search(browser); - - return false; -} - -static bool annotate_browser__continue_search(struct annotate_browser *browser, - int delay_secs) -{ - if (!*browser->search_bf) - return annotate_browser__search(browser, delay_secs); - - return __annotate_browser__search(browser); -} - -static bool annotate_browser__search_reverse(struct annotate_browser *browser, - int delay_secs) -{ - if (annotate_browser__search_window(browser, delay_secs)) - return __annotate_browser__search_reverse(browser); - - return false; -} - -static -bool annotate_browser__continue_search_reverse(struct annotate_browser *browser, - int delay_secs) -{ - if (!*browser->search_bf) - return annotate_browser__search_reverse(browser, delay_secs); - - return __annotate_browser__search_reverse(browser); -} - -static void annotate_browser__update_addr_width(struct annotate_browser *browser) -{ - if (annotate_browser__opts.use_offset) - browser->target_width = browser->min_addr_width; - else - browser->target_width = browser->max_addr_width; - - browser->addr_width = browser->target_width; - - if (annotate_browser__opts.show_nr_jumps) - browser->addr_width += browser->jumps_width + 1; -} - -static int annotate_browser__run(struct annotate_browser *browser, - struct perf_evsel *evsel, - struct hist_browser_timer *hbt) -{ - struct rb_node *nd = NULL; - struct map_symbol *ms = browser->b.priv; - struct symbol *sym = ms->sym; - const char *help = "Press 'h' for help on key bindings"; - int delay_secs = hbt ? hbt->refresh : 0; - int key; - char title[SYM_TITLE_MAX_SIZE]; - - sym_title(sym, ms->map, title, sizeof(title)); - if (ui_browser__show(&browser->b, title, help) < 0) - return -1; - - annotate_browser__calc_percent(browser, evsel); - - if (browser->curr_hot) { - annotate_browser__set_rb_top(browser, browser->curr_hot); - browser->b.navkeypressed = false; - } - - nd = browser->curr_hot; - - while (1) { - key = ui_browser__run(&browser->b, delay_secs); - - if (delay_secs != 0) { - annotate_browser__calc_percent(browser, evsel); - /* - * 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 K_TIMER: - if (hbt) - hbt->timer(hbt->arg); - - if (delay_secs != 0) - symbol__annotate_decay_histogram(sym, evsel->idx); - continue; - case K_TAB: - if (nd != NULL) { - nd = rb_prev(nd); - if (nd == NULL) - nd = rb_last(&browser->entries); - } else - nd = browser->curr_hot; - break; - case K_UNTAB: - if (nd != NULL) - nd = rb_next(nd); - if (nd == NULL) - nd = rb_first(&browser->entries); - else - nd = browser->curr_hot; - break; - case K_F1: - case 'h': - ui_browser__help_window(&browser->b, - "UP/DOWN/PGUP\n" - "PGDN/SPACE Navigate\n" - "q/ESC/CTRL+C Exit\n\n" - "-> Go to target\n" - "<- Exit\n" - "H Cycle thru hottest instructions\n" - "j Toggle showing jump to target arrows\n" - "J Toggle showing number of jump sources on targets\n" - "n Search next string\n" - "o Toggle disassembler output/simplified view\n" - "s Toggle source code view\n" - "/ Search string\n" - "r Run available scripts\n" - "? Search string backwards\n"); - continue; - case 'r': - { - script_browse(NULL); - continue; - } - case 'H': - nd = browser->curr_hot; - break; - case 's': - if (annotate_browser__toggle_source(browser)) - ui_helpline__puts(help); - continue; - case 'o': - annotate_browser__opts.use_offset = !annotate_browser__opts.use_offset; - annotate_browser__update_addr_width(browser); - continue; - case 'j': - annotate_browser__opts.jump_arrows = !annotate_browser__opts.jump_arrows; - continue; - case 'J': - annotate_browser__opts.show_nr_jumps = !annotate_browser__opts.show_nr_jumps; - annotate_browser__update_addr_width(browser); - continue; - case '/': - if (annotate_browser__search(browser, delay_secs)) { -show_help: - ui_helpline__puts(help); - } - continue; - case 'n': - if (browser->searching_backwards ? - annotate_browser__continue_search_reverse(browser, delay_secs) : - annotate_browser__continue_search(browser, delay_secs)) - goto show_help; - continue; - case '?': - if (annotate_browser__search_reverse(browser, delay_secs)) - goto show_help; - continue; - case 'D': { - static int seq; - ui_helpline__pop(); - ui_helpline__fpush("%d: nr_ent=%d, height=%d, idx=%d, top_idx=%d, nr_asm_entries=%d", - seq++, browser->b.nr_entries, - browser->b.height, - browser->b.index, - browser->b.top_idx, - browser->nr_asm_entries); - } - continue; - case K_ENTER: - case K_RIGHT: - if (browser->selection == NULL) - ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); - else if (browser->selection->offset == -1) - ui_helpline__puts("Actions are only available for assembly lines."); - else if (!browser->selection->ins) { - if (strcmp(browser->selection->name, "retq")) - goto show_sup_ins; - goto out; - } else if (!(annotate_browser__jump(browser) || - annotate_browser__callq(browser, evsel, hbt))) { -show_sup_ins: - ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions."); - } - continue; - case K_LEFT: - case K_ESC: - case 'q': - case CTRL('c'): - goto out; - default: - continue; - } - - if (nd != NULL) - annotate_browser__set_rb_top(browser, nd); - } -out: - ui_browser__hide(&browser->b); - return key; -} - -int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel, - struct hist_browser_timer *hbt) -{ - return symbol__tui_annotate(he->ms.sym, he->ms.map, evsel, hbt); -} - -static void annotate_browser__mark_jump_targets(struct annotate_browser *browser, - size_t size) -{ - u64 offset; - struct map_symbol *ms = browser->b.priv; - struct symbol *sym = ms->sym; - - /* PLT symbols contain external offsets */ - if (strstr(sym->name, "@plt")) - return; - - for (offset = 0; offset < size; ++offset) { - struct disasm_line *dl = browser->offsets[offset], *dlt; - struct browser_disasm_line *bdlt; - - if (!disasm_line__is_valid_jump(dl, sym)) - continue; - - dlt = browser->offsets[dl->ops.target.offset]; - /* - * FIXME: Oops, no jump target? Buggy disassembler? Or do we - * have to adjust to the previous offset? - */ - if (dlt == NULL) - continue; - - bdlt = disasm_line__browser(dlt); - if (++bdlt->jump_sources > browser->max_jump_sources) - browser->max_jump_sources = bdlt->jump_sources; - - ++browser->nr_jumps; - } - -} - -static inline int width_jumps(int n) -{ - if (n >= 100) - return 5; - if (n / 10) - return 2; - return 1; -} - -int symbol__tui_annotate(struct symbol *sym, struct map *map, - struct perf_evsel *evsel, - struct hist_browser_timer *hbt) -{ - struct disasm_line *pos, *n; - struct annotation *notes; - size_t size; - struct map_symbol ms = { - .map = map, - .sym = sym, - }; - struct annotate_browser browser = { - .b = { - .refresh = annotate_browser__refresh, - .seek = ui_browser__list_head_seek, - .write = annotate_browser__write, - .filter = disasm_line__filter, - .priv = &ms, - .use_navkeypressed = true, - }, - }; - int ret = -1; - int nr_pcnt = 1; - size_t sizeof_bdl = sizeof(struct browser_disasm_line); - - if (sym == NULL) - return -1; - - size = symbol__size(sym); - - if (map->dso->annotate_warned) - return -1; - - browser.offsets = zalloc(size * sizeof(struct disasm_line *)); - if (browser.offsets == NULL) { - ui__error("Not enough memory!"); - return -1; - } - - if (perf_evsel__is_group_event(evsel)) { - nr_pcnt = evsel->nr_members; - sizeof_bdl += sizeof(double) * (nr_pcnt - 1); - } - - if (symbol__annotate(sym, map, sizeof_bdl) < 0) { - ui__error("%s", ui_helpline__last_msg); - goto out_free_offsets; - } - - ui_helpline__push("Press <- or ESC to exit"); - - notes = symbol__annotation(sym); - browser.start = map__rip_2objdump(map, sym->start); - - list_for_each_entry(pos, ¬es->src->source, node) { - struct browser_disasm_line *bpos; - size_t line_len = strlen(pos->line); - - if (browser.b.width < line_len) - browser.b.width = line_len; - bpos = disasm_line__browser(pos); - bpos->idx = browser.nr_entries++; - if (pos->offset != -1) { - bpos->idx_asm = browser.nr_asm_entries++; - /* - * FIXME: short term bandaid to cope with assembly - * routines that comes with labels in the same column - * as the address in objdump, sigh. - * - * E.g. copy_user_generic_unrolled - */ - if (pos->offset < (s64)size) - browser.offsets[pos->offset] = pos; - } else - bpos->idx_asm = -1; - } - - annotate_browser__mark_jump_targets(&browser, size); - - browser.addr_width = browser.target_width = browser.min_addr_width = hex_width(size); - browser.max_addr_width = hex_width(sym->end); - browser.jumps_width = width_jumps(browser.max_jump_sources); - browser.nr_events = nr_pcnt; - browser.b.nr_entries = browser.nr_entries; - browser.b.entries = ¬es->src->source, - browser.b.width += 18; /* Percentage */ - - if (annotate_browser__opts.hide_src_code) - annotate_browser__init_asm_mode(&browser); - - annotate_browser__update_addr_width(&browser); - - ret = annotate_browser__run(&browser, evsel, hbt); - list_for_each_entry_safe(pos, n, ¬es->src->source, node) { - list_del(&pos->node); - disasm_line__free(pos); - } - -out_free_offsets: - free(browser.offsets); - return ret; -} - -#define ANNOTATE_CFG(n) \ - { .name = #n, .value = &annotate_browser__opts.n, } - -/* - * Keep the entries sorted, they are bsearch'ed - */ -static struct annotate_config { - const char *name; - bool *value; -} annotate__configs[] = { - ANNOTATE_CFG(hide_src_code), - ANNOTATE_CFG(jump_arrows), - ANNOTATE_CFG(show_nr_jumps), - ANNOTATE_CFG(use_offset), -}; - -#undef ANNOTATE_CFG - -static int annotate_config__cmp(const void *name, const void *cfgp) -{ - const struct annotate_config *cfg = cfgp; - - return strcmp(name, cfg->name); -} - -static int annotate__config(const char *var, const char *value, - void *data __maybe_unused) -{ - struct annotate_config *cfg; - const char *name; - - if (prefixcmp(var, "annotate.") != 0) - return 0; - - name = var + 9; - cfg = bsearch(name, annotate__configs, ARRAY_SIZE(annotate__configs), - sizeof(struct annotate_config), annotate_config__cmp); - - if (cfg == NULL) - return -1; - - *cfg->value = perf_config_bool(name, value); - return 0; -} - -void annotate_browser__init(void) -{ - perf_config(annotate__config, NULL); -} |