diff options
Diffstat (limited to 'tools/perf/ui')
| -rw-r--r-- | tools/perf/ui/browser.c | 606 | ||||
| -rw-r--r-- | tools/perf/ui/browser.h | 67 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/annotate.c | 673 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/hists.c | 1345 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/map.c | 154 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/map.h | 6 | ||||
| -rw-r--r-- | tools/perf/ui/helpline.c | 79 | ||||
| -rw-r--r-- | tools/perf/ui/helpline.h | 16 | ||||
| -rw-r--r-- | tools/perf/ui/keysyms.h | 27 | ||||
| -rw-r--r-- | tools/perf/ui/libslang.h | 29 | ||||
| -rw-r--r-- | tools/perf/ui/progress.c | 32 | ||||
| -rw-r--r-- | tools/perf/ui/progress.h | 8 | ||||
| -rw-r--r-- | tools/perf/ui/setup.c | 155 | ||||
| -rw-r--r-- | tools/perf/ui/ui.h | 11 | ||||
| -rw-r--r-- | tools/perf/ui/util.c | 250 | ||||
| -rw-r--r-- | tools/perf/ui/util.h | 14 |
16 files changed, 3472 insertions, 0 deletions
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c new file mode 100644 index 000000000000..a1b140cf75ac --- /dev/null +++ b/tools/perf/ui/browser.c @@ -0,0 +1,606 @@ +#include "../util.h" +#include "../cache.h" +#include "../../perf.h" +#include "libslang.h" +#include <newt.h> +#include "ui.h" +#include "util.h" +#include <linux/compiler.h> +#include <linux/list.h> +#include <linux/rbtree.h> +#include <stdlib.h> +#include <sys/ttydefaults.h> +#include "browser.h" +#include "helpline.h" +#include "keysyms.h" +#include "../color.h" + +static int ui_browser__percent_color(struct ui_browser *browser, + double percent, bool current) +{ + if (current && (!browser->use_navkeypressed || browser->navkeypressed)) + return HE_COLORSET_SELECTED; + if (percent >= MIN_RED) + return HE_COLORSET_TOP; + if (percent >= MIN_GREEN) + return HE_COLORSET_MEDIUM; + return HE_COLORSET_NORMAL; +} + +int ui_browser__set_color(struct ui_browser *browser, int color) +{ + int ret = browser->current_color; + browser->current_color = color; + SLsmg_set_color(color); + return ret; +} + +void ui_browser__set_percent_color(struct ui_browser *self, + double percent, bool current) +{ + int color = ui_browser__percent_color(self, percent, current); + ui_browser__set_color(self, color); +} + +void ui_browser__gotorc(struct ui_browser *self, int y, int x) +{ + SLsmg_gotorc(self->y + y, self->x + x); +} + +static struct list_head * +ui_browser__list_head_filter_entries(struct ui_browser *browser, + struct list_head *pos) +{ + do { + if (!browser->filter || !browser->filter(browser, pos)) + return pos; + pos = pos->next; + } while (pos != browser->entries); + + return NULL; +} + +static struct list_head * +ui_browser__list_head_filter_prev_entries(struct ui_browser *browser, + struct list_head *pos) +{ + do { + if (!browser->filter || !browser->filter(browser, pos)) + return pos; + pos = pos->prev; + } while (pos != browser->entries); + + return NULL; +} + +void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence) +{ + struct list_head *head = self->entries; + struct list_head *pos; + + if (self->nr_entries == 0) + return; + + switch (whence) { + case SEEK_SET: + pos = ui_browser__list_head_filter_entries(self, head->next); + break; + case SEEK_CUR: + pos = self->top; + break; + case SEEK_END: + pos = ui_browser__list_head_filter_prev_entries(self, head->prev); + break; + default: + return; + } + + assert(pos != NULL); + + if (offset > 0) { + while (offset-- != 0) + pos = ui_browser__list_head_filter_entries(self, pos->next); + } else { + while (offset++ != 0) + pos = ui_browser__list_head_filter_prev_entries(self, pos->prev); + } + + self->top = pos; +} + +void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence) +{ + struct rb_root *root = self->entries; + struct rb_node *nd; + + switch (whence) { + case SEEK_SET: + nd = rb_first(root); + break; + case SEEK_CUR: + nd = self->top; + break; + case SEEK_END: + nd = rb_last(root); + break; + default: + return; + } + + if (offset > 0) { + while (offset-- != 0) + nd = rb_next(nd); + } else { + while (offset++ != 0) + nd = rb_prev(nd); + } + + self->top = nd; +} + +unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self) +{ + struct rb_node *nd; + int row = 0; + + if (self->top == NULL) + self->top = rb_first(self->entries); + + nd = self->top; + + while (nd != NULL) { + ui_browser__gotorc(self, row, 0); + self->write(self, nd, row); + if (++row == self->height) + break; + nd = rb_next(nd); + } + + return row; +} + +bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row) +{ + return self->top_idx + row == self->index; +} + +void ui_browser__refresh_dimensions(struct ui_browser *self) +{ + self->width = SLtt_Screen_Cols - 1; + self->height = SLtt_Screen_Rows - 2; + self->y = 1; + self->x = 0; +} + +void ui_browser__handle_resize(struct ui_browser *browser) +{ + ui__refresh_dimensions(false); + ui_browser__show(browser, browser->title, ui_helpline__current); + ui_browser__refresh(browser); +} + +int ui_browser__warning(struct ui_browser *browser, int timeout, + const char *format, ...) +{ + va_list args; + char *text; + int key = 0, err; + + va_start(args, format); + err = vasprintf(&text, format, args); + va_end(args); + + if (err < 0) { + va_start(args, format); + ui_helpline__vpush(format, args); + va_end(args); + } else { + while ((key == ui__question_window("Warning!", text, + "Press any key...", + timeout)) == K_RESIZE) + ui_browser__handle_resize(browser); + free(text); + } + + return key; +} + +int ui_browser__help_window(struct ui_browser *browser, const char *text) +{ + int key; + + while ((key = ui__help_window(text)) == K_RESIZE) + ui_browser__handle_resize(browser); + + return key; +} + +bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text) +{ + int key; + + while ((key = ui__dialog_yesno(text)) == K_RESIZE) + ui_browser__handle_resize(browser); + + return key == K_ENTER || toupper(key) == 'Y'; +} + +void ui_browser__reset_index(struct ui_browser *self) +{ + self->index = self->top_idx = 0; + self->seek(self, 0, SEEK_SET); +} + +void __ui_browser__show_title(struct ui_browser *browser, const char *title) +{ + SLsmg_gotorc(0, 0); + ui_browser__set_color(browser, NEWT_COLORSET_ROOT); + slsmg_write_nstring(title, browser->width + 1); +} + +void ui_browser__show_title(struct ui_browser *browser, const char *title) +{ + pthread_mutex_lock(&ui__lock); + __ui_browser__show_title(browser, title); + pthread_mutex_unlock(&ui__lock); +} + +int ui_browser__show(struct ui_browser *self, const char *title, + const char *helpline, ...) +{ + int err; + va_list ap; + + ui_browser__refresh_dimensions(self); + + pthread_mutex_lock(&ui__lock); + __ui_browser__show_title(self, title); + + self->title = title; + free(self->helpline); + self->helpline = NULL; + + va_start(ap, helpline); + err = vasprintf(&self->helpline, helpline, ap); + va_end(ap); + if (err > 0) + ui_helpline__push(self->helpline); + pthread_mutex_unlock(&ui__lock); + return err ? 0 : -1; +} + +void ui_browser__hide(struct ui_browser *browser __used) +{ + pthread_mutex_lock(&ui__lock); + ui_helpline__pop(); + pthread_mutex_unlock(&ui__lock); +} + +static void ui_browser__scrollbar_set(struct ui_browser *browser) +{ + int height = browser->height, h = 0, pct = 0, + col = browser->width, + row = browser->y - 1; + + if (browser->nr_entries > 1) { + pct = ((browser->index * (browser->height - 1)) / + (browser->nr_entries - 1)); + } + + SLsmg_set_char_set(1); + + while (h < height) { + ui_browser__gotorc(browser, row++, col); + SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR); + ++h; + } + + SLsmg_set_char_set(0); +} + +static int __ui_browser__refresh(struct ui_browser *browser) +{ + int row; + int width = browser->width; + + row = browser->refresh(browser); + ui_browser__set_color(browser, HE_COLORSET_NORMAL); + + if (!browser->use_navkeypressed || browser->navkeypressed) + ui_browser__scrollbar_set(browser); + else + width += 1; + + SLsmg_fill_region(browser->y + row, browser->x, + browser->height - row, width, ' '); + + return 0; +} + +int ui_browser__refresh(struct ui_browser *browser) +{ + pthread_mutex_lock(&ui__lock); + __ui_browser__refresh(browser); + pthread_mutex_unlock(&ui__lock); + + return 0; +} + +/* + * Here we're updating nr_entries _after_ we started browsing, i.e. we have to + * forget about any reference to any entry in the underlying data structure, + * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser + * after an output_resort and hist decay. + */ +void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries) +{ + off_t offset = nr_entries - browser->nr_entries; + + browser->nr_entries = nr_entries; + + if (offset < 0) { + if (browser->top_idx < (u64)-offset) + offset = -browser->top_idx; + + browser->index += offset; + browser->top_idx += offset; + } + + browser->top = NULL; + browser->seek(browser, browser->top_idx, SEEK_SET); +} + +int ui_browser__run(struct ui_browser *self, int delay_secs) +{ + int err, key; + + while (1) { + off_t offset; + + pthread_mutex_lock(&ui__lock); + err = __ui_browser__refresh(self); + SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); + if (err < 0) + break; + + key = ui__getch(delay_secs); + + if (key == K_RESIZE) { + ui__refresh_dimensions(false); + ui_browser__refresh_dimensions(self); + __ui_browser__show_title(self, self->title); + ui_helpline__puts(self->helpline); + continue; + } + + if (self->use_navkeypressed && !self->navkeypressed) { + if (key == K_DOWN || key == K_UP || + key == K_PGDN || key == K_PGUP || + key == K_HOME || key == K_END || + key == ' ') { + self->navkeypressed = true; + continue; + } else + return key; + } + + switch (key) { + case K_DOWN: + if (self->index == self->nr_entries - 1) + break; + ++self->index; + if (self->index == self->top_idx + self->height) { + ++self->top_idx; + self->seek(self, +1, SEEK_CUR); + } + break; + case K_UP: + if (self->index == 0) + break; + --self->index; + if (self->index < self->top_idx) { + --self->top_idx; + self->seek(self, -1, SEEK_CUR); + } + break; + case K_PGDN: + case ' ': + if (self->top_idx + self->height > self->nr_entries - 1) + break; + + offset = self->height; + if (self->index + offset > self->nr_entries - 1) + offset = self->nr_entries - 1 - self->index; + self->index += offset; + self->top_idx += offset; + self->seek(self, +offset, SEEK_CUR); + break; + case K_PGUP: + if (self->top_idx == 0) + break; + + if (self->top_idx < self->height) + offset = self->top_idx; + else + offset = self->height; + + self->index -= offset; + self->top_idx -= offset; + self->seek(self, -offset, SEEK_CUR); + break; + case K_HOME: + ui_browser__reset_index(self); + break; + case K_END: + offset = self->height - 1; + if (offset >= self->nr_entries) + offset = self->nr_entries - 1; + + self->index = self->nr_entries - 1; + self->top_idx = self->index - offset; + self->seek(self, -offset, SEEK_END); + break; + default: + return key; + } + } + return -1; +} + +unsigned int ui_browser__list_head_refresh(struct ui_browser *self) +{ + struct list_head *pos; + struct list_head *head = self->entries; + int row = 0; + + if (self->top == NULL || self->top == self->entries) + self->top = ui_browser__list_head_filter_entries(self, head->next); + + pos = self->top; + + list_for_each_from(pos, head) { + if (!self->filter || !self->filter(self, pos)) { + ui_browser__gotorc(self, row, 0); + self->write(self, pos, row); + if (++row == self->height) + break; + } + } + + return row; +} + +static struct ui_browser__colorset { + const char *name, *fg, *bg; + int colorset; +} ui_browser__colorsets[] = { + { + .colorset = HE_COLORSET_TOP, + .name = "top", + .fg = "red", + .bg = "default", + }, + { + .colorset = HE_COLORSET_MEDIUM, + .name = "medium", + .fg = "green", + .bg = "default", + }, + { + .colorset = HE_COLORSET_NORMAL, + .name = "normal", + .fg = "default", + .bg = "default", + }, + { + .colorset = HE_COLORSET_SELECTED, + .name = "selected", + .fg = "black", + .bg = "lightgray", + }, + { + .colorset = HE_COLORSET_CODE, + .name = "code", + .fg = "blue", + .bg = "default", + }, + { + .colorset = HE_COLORSET_ADDR, + .name = "addr", + .fg = "magenta", + .bg = "default", + }, + { + .name = NULL, + } +}; + + +static int ui_browser__color_config(const char *var, const char *value, + void *data __used) +{ + char *fg = NULL, *bg; + int i; + + /* same dir for all commands */ + if (prefixcmp(var, "colors.") != 0) + return 0; + + for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) { + const char *name = var + 7; + + if (strcmp(ui_browser__colorsets[i].name, name) != 0) + continue; + + fg = strdup(value); + if (fg == NULL) + break; + + bg = strchr(fg, ','); + if (bg == NULL) + break; + + *bg = '\0'; + while (isspace(*++bg)); + ui_browser__colorsets[i].bg = bg; + ui_browser__colorsets[i].fg = fg; + return 0; + } + + free(fg); + return -1; +} + +void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence) +{ + switch (whence) { + case SEEK_SET: + browser->top = browser->entries; + break; + case SEEK_CUR: + browser->top = browser->top + browser->top_idx + offset; + break; + case SEEK_END: + browser->top = browser->top + browser->nr_entries + offset; + break; + default: + return; + } +} + +unsigned int ui_browser__argv_refresh(struct ui_browser *browser) +{ + unsigned int row = 0, idx = browser->top_idx; + char **pos; + + if (browser->top == NULL) + browser->top = browser->entries; + + pos = (char **)browser->top; + while (idx < browser->nr_entries) { + if (!browser->filter || !browser->filter(browser, *pos)) { + ui_browser__gotorc(browser, row, 0); + browser->write(browser, pos, row); + if (++row == browser->height) + break; + } + + ++idx; + ++pos; + } + + return row; +} + +void ui_browser__init(void) +{ + int i = 0; + + perf_config(ui_browser__color_config, NULL); + + while (ui_browser__colorsets[i].name) { + struct ui_browser__colorset *c = &ui_browser__colorsets[i++]; + sltt_set_color(c->colorset, c->name, c->fg, c->bg); + } +} diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h new file mode 100644 index 000000000000..2550277db9f9 --- /dev/null +++ b/tools/perf/ui/browser.h @@ -0,0 +1,67 @@ +#ifndef _PERF_UI_BROWSER_H_ +#define _PERF_UI_BROWSER_H_ 1 + +#include <stdbool.h> +#include <sys/types.h> +#include "../types.h" + +#define HE_COLORSET_TOP 50 +#define HE_COLORSET_MEDIUM 51 +#define HE_COLORSET_NORMAL 52 +#define HE_COLORSET_SELECTED 53 +#define HE_COLORSET_CODE 54 +#define HE_COLORSET_ADDR 55 + +struct ui_browser { + u64 index, top_idx; + void *top, *entries; + u16 y, x, width, height; + int current_color; + void *priv; + const char *title; + char *helpline; + unsigned int (*refresh)(struct ui_browser *self); + void (*write)(struct ui_browser *self, void *entry, int row); + void (*seek)(struct ui_browser *self, off_t offset, int whence); + bool (*filter)(struct ui_browser *self, void *entry); + u32 nr_entries; + bool navkeypressed; + bool use_navkeypressed; +}; + +int ui_browser__set_color(struct ui_browser *browser, int color); +void ui_browser__set_percent_color(struct ui_browser *self, + double percent, bool current); +bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row); +void ui_browser__refresh_dimensions(struct ui_browser *self); +void ui_browser__reset_index(struct ui_browser *self); + +void ui_browser__gotorc(struct ui_browser *self, int y, int x); +void __ui_browser__show_title(struct ui_browser *browser, const char *title); +void ui_browser__show_title(struct ui_browser *browser, const char *title); +int ui_browser__show(struct ui_browser *self, const char *title, + const char *helpline, ...); +void ui_browser__hide(struct ui_browser *self); +int ui_browser__refresh(struct ui_browser *self); +int ui_browser__run(struct ui_browser *browser, int delay_secs); +void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries); +void ui_browser__handle_resize(struct ui_browser *browser); + +int ui_browser__warning(struct ui_browser *browser, int timeout, + const char *format, ...); +int ui_browser__help_window(struct ui_browser *browser, const char *text); +bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text); +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_sec); + +void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence); +unsigned int ui_browser__argv_refresh(struct ui_browser *browser); + +void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence); +unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self); + +void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence); +unsigned int ui_browser__list_head_refresh(struct ui_browser *self); + +void ui_browser__init(void); +#endif /* _PERF_UI_BROWSER_H_ */ diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c new file mode 100644 index 000000000000..4db5186472b5 --- /dev/null +++ b/tools/perf/ui/browsers/annotate.c @@ -0,0 +1,673 @@ +#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 <pthread.h> +#include <newt.h> + +struct annotate_browser { + struct ui_browser b; + struct rb_root entries; + struct rb_node *curr_hot; + struct objdump_line *selection; + u64 start; + int nr_asm_entries; + int nr_entries; + bool hide_src_code; + bool use_offset; + bool searching_backwards; + char search_bf[128]; +}; + +struct objdump_line_rb_node { + struct rb_node rb_node; + double percent; + u32 idx; + int idx_asm; +}; + +static inline +struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self) +{ + return (struct objdump_line_rb_node *)(self + 1); +} + +static bool objdump_line__filter(struct ui_browser *browser, void *entry) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + + if (ab->hide_src_code) { + struct objdump_line *ol = list_entry(entry, struct objdump_line, node); + return ol->offset == -1; + } + + return false; +} + +static void annotate_browser__write(struct ui_browser *self, void *entry, int row) +{ + struct annotate_browser *ab = container_of(self, struct annotate_browser, b); + struct objdump_line *ol = list_entry(entry, struct objdump_line, node); + bool current_entry = ui_browser__is_current_entry(self, row); + bool change_color = (!ab->hide_src_code && + (!current_entry || (self->use_navkeypressed && + !self->navkeypressed))); + 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); + + /* The scroll bar isn't being used */ + if (!self->navkeypressed) + width += 1; + + if (ol->offset != -1 && change_color) + ui_browser__set_color(self, HE_COLORSET_CODE); + + if (!*ol->line) + slsmg_write_nstring(" ", width - 18); + else if (ol->offset == -1) + slsmg_write_nstring(ol->line, width - 18); + else { + char bf[64]; + u64 addr = ol->offset; + int printed, color = -1; + + if (!ab->use_offset) + addr += ab->start; + + printed = scnprintf(bf, sizeof(bf), " %" PRIx64 ":", addr); + if (change_color) + color = ui_browser__set_color(self, HE_COLORSET_ADDR); + slsmg_write_nstring(bf, printed); + if (change_color) + ui_browser__set_color(self, color); + slsmg_write_nstring(ol->line, width - 18 - printed); + } + + if (current_entry) + ab->selection = ol; +} + +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(¬es->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 objdump_line *pos, u32 idx) +{ + unsigned back; + + ui_browser__refresh_dimensions(&self->b); + back = self->b.height / 2; + self->b.top_idx = self->b.index = idx; + + while (self->b.top_idx != 0 && back != 0) { + pos = list_entry(pos->node.prev, struct objdump_line, node); + + if (objdump_line__filter(&self->b, &pos->node)) + continue; + + --self->b.top_idx; + --back; + } + + self->b.top = pos; + self->b.navkeypressed = true; +} + +static void annotate_browser__set_rb_top(struct annotate_browser *browser, + struct rb_node *nd) +{ + struct objdump_line_rb_node *rbpos; + struct objdump_line *pos; + + rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node); + pos = ((struct objdump_line *)rbpos) - 1; + annotate_browser__set_top(browser, pos, rbpos->idx); + browser->curr_hot = nd; +} + +static void annotate_browser__calc_percent(struct annotate_browser *browser, + int evidx) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct objdump_line *pos; + + browser->entries = RB_ROOT; + + pthread_mutex_lock(¬es->lock); + + list_for_each_entry(pos, ¬es->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(¬es->lock); + + browser->curr_hot = rb_last(&browser->entries); +} + +static bool annotate_browser__toggle_source(struct annotate_browser *browser) +{ + struct objdump_line *ol; + struct objdump_line_rb_node *olrb; + off_t offset = browser->b.index - browser->b.top_idx; + + browser->b.seek(&browser->b, offset, SEEK_CUR); + ol = list_entry(browser->b.top, struct objdump_line, node); + olrb = objdump_line__rb(ol); + + if (browser->hide_src_code) { + if (olrb->idx_asm < offset) + offset = olrb->idx; + + browser->b.nr_entries = browser->nr_entries; + browser->hide_src_code = false; + browser->b.seek(&browser->b, -offset, SEEK_CUR); + browser->b.top_idx = olrb->idx - offset; + browser->b.index = olrb->idx; + } else { + if (olrb->idx_asm < 0) { + ui_helpline__puts("Only available for assembly lines."); + browser->b.seek(&browser->b, -offset, SEEK_CUR); + return false; + } + + if (olrb->idx_asm < offset) + offset = olrb->idx_asm; + + browser->b.nr_entries = browser->nr_asm_entries; + browser->hide_src_code = true; + browser->b.seek(&browser->b, -offset, SEEK_CUR); + browser->b.top_idx = olrb->idx_asm - offset; + browser->b.index = olrb->idx_asm; + } + + return true; +} + +static bool annotate_browser__callq(struct annotate_browser *browser, + int evidx, void (*timer)(void *arg), + void *arg, int delay_secs) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes; + struct symbol *target; + char *s = strstr(browser->selection->line, "callq "); + u64 ip; + + if (s == NULL) + return false; + + s = strchr(s, ' '); + if (s++ == NULL) { + ui_helpline__puts("Invallid callq instruction."); + return true; + } + + ip = strtoull(s, NULL, 16); + ip = ms->map->map_ip(ms->map, ip); + 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, evidx, timer, arg, delay_secs); + ui_browser__show_title(&browser->b, sym->name); + return true; +} + +static struct objdump_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 objdump_line *pos; + + *idx = 0; + list_for_each_entry(pos, ¬es->src->source, node) { + if (pos->offset == offset) + return pos; + if (!objdump_line__filter(&browser->b, &pos->node)) + ++*idx; + } + + return NULL; +} + +static bool annotate_browser__jump(struct annotate_browser *browser) +{ + const char *jumps[] = { "je ", "jne ", "ja ", "jmpq ", "js ", "jmp ", NULL }; + struct objdump_line *line; + s64 idx, offset; + char *s = NULL; + int i = 0; + + while (jumps[i]) { + s = strstr(browser->selection->line, jumps[i++]); + if (s) + break; + } + + if (s == NULL) + return false; + + s = strchr(s, '+'); + if (s++ == NULL) { + ui_helpline__puts("Invallid jump instruction."); + return true; + } + + offset = strtoll(s, NULL, 16); + line = annotate_browser__find_offset(browser, offset, &idx); + if (line == NULL) { + ui_helpline__puts("Invallid jump offset"); + return true; + } + + annotate_browser__set_top(browser, line, idx); + + return true; +} + +static struct objdump_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 objdump_line *pos = browser->selection; + + *idx = browser->b.index; + list_for_each_entry_continue(pos, ¬es->src->source, node) { + if (objdump_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 objdump_line *line; + s64 idx; + + line = annotate_browser__find_string(browser, browser->search_bf, &idx); + if (line == NULL) { + ui_helpline__puts("String not found!"); + return false; + } + + annotate_browser__set_top(browser, line, idx); + browser->searching_backwards = false; + return true; +} + +static struct objdump_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 objdump_line *pos = browser->selection; + + *idx = browser->b.index; + list_for_each_entry_continue_reverse(pos, ¬es->src->source, node) { + if (objdump_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 objdump_line *line; + s64 idx; + + line = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); + if (line == NULL) { + ui_helpline__puts("String not found!"); + return false; + } + + annotate_browser__set_top(browser, line, 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 int annotate_browser__run(struct annotate_browser *self, int evidx, + void(*timer)(void *arg), + void *arg, int delay_secs) +{ + struct rb_node *nd = NULL; + struct map_symbol *ms = self->b.priv; + struct symbol *sym = ms->sym; + const char *help = "<-/ESC: Exit, TAB/shift+TAB: Cycle hot lines, " + "H: Go to hottest line, ->/ENTER: Line action, " + "O: Toggle offset view, " + "S: Toggle source code view"; + int key; + + if (ui_browser__show(&self->b, sym->name, help) < 0) + return -1; + + annotate_browser__calc_percent(self, evidx); + + if (self->curr_hot) { + annotate_browser__set_rb_top(self, self->curr_hot); + self->b.navkeypressed = false; + } + + nd = self->curr_hot; + + while (1) { + key = ui_browser__run(&self->b, delay_secs); + + if (delay_secs != 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 K_TIMER: + if (timer != NULL) + timer(arg); + + if (delay_secs != 0) + symbol__annotate_decay_histogram(sym, evidx); + continue; + case K_TAB: + if (nd != NULL) { + nd = rb_prev(nd); + if (nd == NULL) + nd = rb_last(&self->entries); + } else + nd = self->curr_hot; + break; + case K_UNTAB: + if (nd != NULL) + nd = rb_next(nd); + if (nd == NULL) + nd = rb_first(&self->entries); + else + nd = self->curr_hot; + break; + case 'H': + case 'h': + nd = self->curr_hot; + break; + case 'S': + case 's': + if (annotate_browser__toggle_source(self)) + ui_helpline__puts(help); + continue; + case 'O': + case 'o': + self->use_offset = !self->use_offset; + continue; + case '/': + if (annotate_browser__search(self, delay_secs)) { +show_help: + ui_helpline__puts(help); + } + continue; + case 'n': + if (self->searching_backwards ? + annotate_browser__continue_search_reverse(self, delay_secs) : + annotate_browser__continue_search(self, delay_secs)) + goto show_help; + continue; + case '?': + if (annotate_browser__search_reverse(self, delay_secs)) + goto show_help; + continue; + case K_ENTER: + case K_RIGHT: + if (self->selection == NULL) + ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); + else if (self->selection->offset == -1) + ui_helpline__puts("Actions are only available for assembly lines."); + else if (!(annotate_browser__jump(self) || + annotate_browser__callq(self, evidx, timer, arg, delay_secs))) + ui_helpline__puts("Actions are only available for the 'callq' and 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(self, nd); + } +out: + ui_browser__hide(&self->b); + return key; +} + +int hist_entry__tui_annotate(struct hist_entry *he, int evidx, + void(*timer)(void *arg), void *arg, int delay_secs) +{ + return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, + timer, arg, delay_secs); +} + +int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, + void(*timer)(void *arg), void *arg, + int delay_secs) +{ + struct objdump_line *pos, *n; + struct annotation *notes; + struct map_symbol ms = { + .map = map, + .sym = sym, + }; + struct annotate_browser browser = { + .b = { + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = annotate_browser__write, + .filter = objdump_line__filter, + .priv = &ms, + .use_navkeypressed = true, + }, + }; + 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("%s", ui_helpline__last_msg); + return -1; + } + + 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 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.nr_entries++; + if (pos->offset != -1) + rbpos->idx_asm = browser.nr_asm_entries++; + else + rbpos->idx_asm = -1; + } + + browser.b.nr_entries = browser.nr_entries; + browser.b.entries = ¬es->src->source, + browser.b.width += 18; /* Percentage */ + ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs); + list_for_each_entry_safe(pos, n, ¬es->src->source, node) { + list_del(&pos->node); + objdump_line__free(pos); + } + return ret; +} diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c new file mode 100644 index 000000000000..466827e91b87 --- /dev/null +++ b/tools/perf/ui/browsers/hists.c @@ -0,0 +1,1345 @@ +#include <stdio.h> +#include "../libslang.h" +#include <stdlib.h> +#include <string.h> +#include <newt.h> +#include <linux/rbtree.h> + +#include "../../util/evsel.h" +#include "../../util/evlist.h" +#include "../../util/hist.h" +#include "../../util/pstack.h" +#include "../../util/sort.h" +#include "../../util/util.h" + +#include "../browser.h" +#include "../helpline.h" +#include "../util.h" +#include "../ui.h" +#include "map.h" + +struct hist_browser { + struct ui_browser b; + struct hists *hists; + struct hist_entry *he_selection; + struct map_symbol *selection; + bool has_symbols; +}; + +static int hists__browser_title(struct hists *self, char *bf, size_t size, + const char *ev_name); + +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 void map_symbol__set_folding(struct map_symbol *self, bool unfold) +{ + self->unfolded = unfold ? self->has_children : false; +} + +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 map_symbol__toggle_fold(struct map_symbol *self) +{ + if (!self) + return false; + + if (!self->has_children) + return false; + + self->unfolded = !self->unfolded; + return true; +} + +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; + bool first = true; + + list_for_each_entry(chain, &child->val, list) { + if (first) { + first = false; + chain->ms.has_children = chain->list.next != &child->val || + !RB_EMPTY_ROOT(&child->rb_root); + } else + chain->ms.has_children = chain->list.next == &child->val && + !RB_EMPTY_ROOT(&child->rb_root); + } + + 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_EMPTY_ROOT(&self->rb_root); + + 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) { + self->ms.has_children = !RB_EMPTY_ROOT(&self->sorted_chain); + callchain__init_have_children(&self->sorted_chain); + self->init_have_children = true; + } +} + +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 callchain_node__set_folding_rb_tree(struct callchain_node *self, bool unfold) +{ + 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; + bool has_children = false; + + list_for_each_entry(chain, &child->val, list) { + ++n; + map_symbol__set_folding(&chain->ms, unfold); + has_children = chain->ms.has_children; + } + + if (has_children) + n += callchain_node__set_folding_rb_tree(child, unfold); + } + + return n; +} + +static int callchain_node__set_folding(struct callchain_node *node, bool unfold) +{ + struct callchain_list *chain; + bool has_children = false; + int n = 0; + + list_for_each_entry(chain, &node->val, list) { + ++n; + map_symbol__set_folding(&chain->ms, unfold); + has_children = chain->ms.has_children; + } + + if (has_children) + n += callchain_node__set_folding_rb_tree(node, unfold); + + return n; +} + +static int callchain__set_folding(struct rb_root *chain, bool unfold) +{ + 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__set_folding(node, unfold); + } + + return n; +} + +static void hist_entry__set_folding(struct hist_entry *self, bool unfold) +{ + hist_entry__init_have_children(self); + map_symbol__set_folding(&self->ms, unfold); + + if (self->ms.has_children) { + int n = callchain__set_folding(&self->sorted_chain, unfold); + self->nr_rows = unfold ? n : 0; + } else + self->nr_rows = 0; +} + +static void hists__set_folding(struct hists *self, bool unfold) +{ + struct rb_node *nd; + + self->nr_entries = 0; + + for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { + struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); + hist_entry__set_folding(he, unfold); + self->nr_entries += 1 + he->nr_rows; + } +} + +static void hist_browser__set_folding(struct hist_browser *self, bool unfold) +{ + hists__set_folding(self->hists, unfold); + self->b.nr_entries = self->hists->nr_entries; + /* Go to the start, we may be way after valid entries after a collapse */ + ui_browser__reset_index(&self->b); +} + +static void ui_browser__warn_lost_events(struct ui_browser *browser) +{ + ui_browser__warning(browser, 4, + "Events are being lost, check IO/CPU overload!\n\n" + "You may want to run 'perf' using a RT scheduler policy:\n\n" + " perf top -r 80\n\n" + "Or reduce the sampling frequency."); +} + +static int hist_browser__run(struct hist_browser *self, const char *ev_name, + void(*timer)(void *arg), void *arg, int delay_secs) +{ + int key; + char title[160]; + + self->b.entries = &self->hists->entries; + self->b.nr_entries = self->hists->nr_entries; + + hist_browser__refresh_dimensions(self); + hists__browser_title(self->hists, title, sizeof(title), ev_name); + + if (ui_browser__show(&self->b, title, + "Press '?' for help on key bindings") < 0) + return -1; + + while (1) { + key = ui_browser__run(&self->b, delay_secs); + + switch (key) { + case K_TIMER: + timer(arg); + ui_browser__update_nr_entries(&self->b, self->hists->nr_entries); + + if (self->hists->stats.nr_lost_warned != + self->hists->stats.nr_events[PERF_RECORD_LOST]) { + self->hists->stats.nr_lost_warned = + self->hists->stats.nr_events[PERF_RECORD_LOST]; + ui_browser__warn_lost_events(&self->b); + } + + hists__browser_title(self->hists, title, sizeof(title), ev_name); + ui_browser__show_title(&self->b, title); + continue; + 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); + } + break; + case 'C': + /* Collapse the whole world. */ + hist_browser__set_folding(self, false); + break; + case 'E': + /* Expand the whole world. */ + hist_browser__set_folding(self, true); + break; + case K_ENTER: + if (hist_browser__toggle_fold(self)) + break; + /* fall thru */ + default: + goto out; + } + } +out: + ui_browser__hide(&self->b); + return key; +} + +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, "%#" PRIx64, self->ip); + return bf; +} + +#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 = callchain_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; + else + extra_offset = LEVEL_OFFSET_STEP; + + 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; + } + + ui_browser__set_color(&self->b, color); + ui_browser__gotorc(&self->b, row, 0); + 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; + + 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)); + ui_browser__gotorc(&self->b, row, 0); + ui_browser__set_color(&self->b, 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 width = self->b.width - 6; /* The percentage */ + 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) { + hist_entry__init_have_children(entry); + folded_sign = hist_entry__folded(entry); + } + + if (row_offset == 0) { + hist_entry__snprintf(entry, s, sizeof(s), self->hists); + percent = (entry->period * 100.0) / self->hists->stats.total_period; + + ui_browser__set_percent_color(&self->b, percent, current_entry); + ui_browser__gotorc(&self->b, row, 0); + if (symbol_conf.use_callchain) { + slsmg_printf("%c ", folded_sign); + width -= 2; + } + + slsmg_printf(" %5.2f%%", percent); + + /* The scroll bar isn't being used */ + if (!self->b.navkeypressed) + width += 1; + + if (!current_entry || !self->b.navkeypressed) + ui_browser__set_color(&self->b, HE_COLORSET_NORMAL); + + if (symbol_conf.show_nr_samples) { + slsmg_printf(" %11u", entry->nr_events); + width -= 12; + } + + if (symbol_conf.show_total_period) { + slsmg_printf(" %12" PRIu64, entry->period); + width -= 13; + } + + 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 void ui_browser__hists_init_top(struct ui_browser *browser) +{ + if (browser->top == NULL) { + struct hist_browser *hb; + + hb = container_of(browser, struct hist_browser, b); + browser->top = rb_first(&hb->hists->entries); + } +} + +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); + + ui_browser__hists_init_top(self); + + 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 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; + + if (self->nr_entries == 0) + return; + + ui_browser__hists_init_top(self); + + 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 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; + self->b.use_navkeypressed = true; + if (sort__branch_mode == 1) + self->has_symbols = sort_sym_from.list.next != NULL; + else + self->has_symbols = sort_sym.list.next != NULL; + } + + return self; +} + +static void hist_browser__delete(struct hist_browser *self) +{ + 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 hists__browser_title(struct hists *self, char *bf, size_t size, + const char *ev_name) +{ + char unit; + int printed; + const struct dso *dso = self->dso_filter; + const struct thread *thread = self->thread_filter; + unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; + u64 nr_events = self->stats.total_period; + + nr_samples = convert_unit(nr_samples, &unit); + printed = scnprintf(bf, size, + "Samples: %lu%c of event '%s', Event count (approx.): %lu", + nr_samples, unit, ev_name, nr_events); + + + if (self->uid_filter_str) + printed += snprintf(bf + printed, size - printed, + ", UID: %s", self->uid_filter_str); + if (thread) + printed += scnprintf(bf + printed, size - printed, + ", Thread: %s(%d)", + (thread->comm_set ? thread->comm : ""), + thread->pid); + if (dso) + printed += scnprintf(bf + printed, size - printed, + ", DSO: %s", dso->short_name); + return printed; +} + +static inline void free_popup_options(char **options, int n) +{ + int i; + + for (i = 0; i < n; ++i) { + free(options[i]); + options[i] = NULL; + } +} + +static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, + const char *helpline, const char *ev_name, + bool left_exits, + void(*timer)(void *arg), void *arg, + int delay_secs) +{ + struct hists *self = &evsel->hists; + struct hist_browser *browser = hist_browser__new(self); + struct branch_info *bi; + struct pstack *fstack; + char *options[16]; + int nr_options = 0; + int key = -1; + char buf[64]; + + if (browser == NULL) + return -1; + + fstack = pstack__new(2); + if (fstack == NULL) + goto out; + + ui_helpline__push(helpline); + + memset(options, 0, sizeof(options)); + + while (1) { + const struct thread *thread = NULL; + const struct dso *dso = NULL; + int choice = 0, + annotate = -2, zoom_dso = -2, zoom_thread = -2, + annotate_f = -2, annotate_t = -2, browse_map = -2; + + nr_options = 0; + + key = hist_browser__run(browser, ev_name, timer, arg, delay_secs); + + if (browser->he_selection != NULL) { + thread = hist_browser__selected_thread(browser); + dso = browser->selection->map ? browser->selection->map->dso : NULL; + } + switch (key) { + case K_TAB: + case K_UNTAB: + if (nr_events == 1) + continue; + /* + * Exit the browser, let hists__browser_tree + * go to the next or previous + */ + goto out_free_stack; + case 'a': + if (!browser->has_symbols) { + ui_browser__warning(&browser->b, delay_secs * 2, + "Annotation is only available for symbolic views, " + "include \"sym*\" in --sort to use it."); + continue; + } + + if (browser->selection == NULL || + browser->selection->sym == NULL || + browser->selection->map->dso->annotate_warned) + continue; + goto do_annotate; + case 'd': + goto zoom_dso; + case 't': + goto zoom_thread; + case 's': + if (ui_browser__input_window("Symbol to show", + "Please enter the name of symbol you want to see", + buf, "ENTER: OK, ESC: Cancel", + delay_secs * 2) == K_ENTER) { + self->symbol_filter_str = *buf ? buf : NULL; + hists__filter_by_symbol(self); + hist_browser__reset(browser); + } + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(&browser->b, + "h/?/F1 Show this window\n" + "UP/DOWN/PGUP\n" + "PGDN/SPACE Navigate\n" + "q/ESC/CTRL+C Exit browser\n\n" + "For multiple event sessions:\n\n" + "TAB/UNTAB Switch events\n\n" + "For symbolic views (--sort has sym):\n\n" + "-> Zoom into DSO/Threads & Annotate current symbol\n" + "<- Zoom out\n" + "a Annotate current symbol\n" + "C Collapse all callchains\n" + "E Expand all callchains\n" + "d Zoom into current DSO\n" + "t Zoom into current Thread\n" + "s Filter symbol by name"); + continue; + case K_ENTER: + case K_RIGHT: + /* menu */ + break; + case K_LEFT: { + const void *top; + + if (pstack__empty(fstack)) { + /* + * Go back to the perf_evsel_menu__run or other user + */ + if (left_exits) + goto out_free_stack; + continue; + } + top = pstack__pop(fstack); + if (top == &browser->hists->dso_filter) + goto zoom_out_dso; + if (top == &browser->hists->thread_filter) + goto zoom_out_thread; + continue; + } + case K_ESC: + if (!left_exits && + !ui_browser__dialog_yesno(&browser->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case 'q': + case CTRL('c'): + goto out_free_stack; + default: + continue; + } + + if (!browser->has_symbols) + goto add_exit_option; + + if (sort__branch_mode == 1) { + bi = browser->he_selection->branch_info; + if (browser->selection != NULL && + bi && + bi->from.sym != NULL && + !bi->from.map->dso->annotate_warned && + asprintf(&options[nr_options], "Annotate %s", + bi->from.sym->name) > 0) + annotate_f = nr_options++; + + if (browser->selection != NULL && + bi && + bi->to.sym != NULL && + !bi->to.map->dso->annotate_warned && + (bi->to.sym != bi->from.sym || + bi->to.map->dso != bi->from.map->dso) && + asprintf(&options[nr_options], "Annotate %s", + bi->to.sym->name) > 0) + annotate_t = nr_options++; + } else { + + if (browser->selection != NULL && + 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", + (browser->hists->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", + (browser->hists->dso_filter ? "out of" : "into"), + (dso->kernel ? "the Kernel" : dso->short_name)) > 0) + zoom_dso = nr_options++; + + if (browser->selection != NULL && + browser->selection->map != NULL && + asprintf(&options[nr_options], "Browse map details") > 0) + browse_map = nr_options++; +add_exit_option: + options[nr_options++] = (char *)"Exit"; +retry_popup_menu: + choice = ui__popup_menu(nr_options, options); + + if (choice == nr_options - 1) + break; + + if (choice == -1) { + free_popup_options(options, nr_options - 1); + continue; + } + + if (choice == annotate || choice == annotate_t || choice == annotate_f) { + struct hist_entry *he; + int err; +do_annotate: + he = hist_browser__selected_entry(browser); + if (he == NULL) + continue; + + /* + * we stash the branch_info symbol + map into the + * the ms so we don't have to rewrite all the annotation + * code to use branch_info. + * in branch mode, the ms struct is not used + */ + if (choice == annotate_f) { + he->ms.sym = he->branch_info->from.sym; + he->ms.map = he->branch_info->from.map; + } else if (choice == annotate_t) { + he->ms.sym = he->branch_info->to.sym; + he->ms.map = he->branch_info->to.map; + } + + /* + * Don't let this be freed, say, by hists__decay_entry. + */ + he->used = true; + err = hist_entry__tui_annotate(he, evsel->idx, + timer, arg, delay_secs); + he->used = false; + /* + * offer option to annotate the other branch source or target + * (if they exists) when returning from annotate + */ + if ((err == 'q' || err == CTRL('c')) + && annotate_t != -2 && annotate_f != -2) + goto retry_popup_menu; + + ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); + if (err) + ui_browser__handle_resize(&browser->b); + + } else if (choice == browse_map) + map__browse(browser->selection->map); + else if (choice == zoom_dso) { +zoom_dso: + if (browser->hists->dso_filter) { + pstack__remove(fstack, &browser->hists->dso_filter); +zoom_out_dso: + ui_helpline__pop(); + browser->hists->dso_filter = NULL; + sort_dso.elide = false; + } 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); + browser->hists->dso_filter = dso; + sort_dso.elide = true; + pstack__push(fstack, &browser->hists->dso_filter); + } + hists__filter_by_dso(self); + hist_browser__reset(browser); + } else if (choice == zoom_thread) { +zoom_thread: + if (browser->hists->thread_filter) { + pstack__remove(fstack, &browser->hists->thread_filter); +zoom_out_thread: + ui_helpline__pop(); + browser->hists->thread_filter = NULL; + sort_thread.elide = false; + } else { + ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", + thread->comm_set ? thread->comm : "", + thread->pid); + browser->hists->thread_filter = thread; + sort_thread.elide = true; + pstack__push(fstack, &browser->hists->thread_filter); + } + hists__filter_by_thread(self); + hist_browser__reset(browser); + } + } +out_free_stack: + pstack__delete(fstack); +out: + hist_browser__delete(browser); + free_popup_options(options, nr_options - 1); + return key; +} + +struct perf_evsel_menu { + struct ui_browser b; + struct perf_evsel *selection; + bool lost_events, lost_events_warned; +}; + +static void perf_evsel_menu__write(struct ui_browser *browser, + void *entry, int row) +{ + struct perf_evsel_menu *menu = container_of(browser, + struct perf_evsel_menu, b); + struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE]; + const char *ev_name = event_name(evsel); + char bf[256], unit; + const char *warn = " "; + size_t printed; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + nr_events = convert_unit(nr_events, &unit); + printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, + unit, unit == ' ' ? "" : " ", ev_name); + slsmg_printf("%s", bf); + + nr_events = evsel->hists.stats.nr_events[PERF_RECORD_LOST]; + if (nr_events != 0) { + menu->lost_events = true; + if (!current_entry) + ui_browser__set_color(browser, HE_COLORSET_TOP); + nr_events = convert_unit(nr_events, &unit); + printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", + nr_events, unit, unit == ' ' ? "" : " "); + warn = bf; + } + + slsmg_write_nstring(warn, browser->width - printed); + + if (current_entry) + menu->selection = evsel; +} + +static int perf_evsel_menu__run(struct perf_evsel_menu *menu, + int nr_events, const char *help, + void(*timer)(void *arg), void *arg, int delay_secs) +{ + struct perf_evlist *evlist = menu->b.priv; + struct perf_evsel *pos; + const char *ev_name, *title = "Available samples"; + int key; + + if (ui_browser__show(&menu->b, title, + "ESC: exit, ENTER|->: Browse histograms") < 0) + return -1; + + while (1) { + key = ui_browser__run(&menu->b, delay_secs); + + switch (key) { + case K_TIMER: + timer(arg); + + if (!menu->lost_events_warned && menu->lost_events) { + ui_browser__warn_lost_events(&menu->b); + menu->lost_events_warned = true; + } + continue; + case K_RIGHT: + case K_ENTER: + if (!menu->selection) + continue; + pos = menu->selection; +browse_hists: + perf_evlist__set_selected(evlist, pos); + /* + * Give the calling tool a chance to populate the non + * default evsel resorted hists tree. + */ + if (timer) + timer(arg); + ev_name = event_name(pos); + key = perf_evsel__hists_browse(pos, nr_events, help, + ev_name, true, timer, + arg, delay_secs); + ui_browser__show_title(&menu->b, title); + switch (key) { + case K_TAB: + if (pos->node.next == &evlist->entries) + pos = list_entry(evlist->entries.next, struct perf_evsel, node); + else + pos = list_entry(pos->node.next, struct perf_evsel, node); + goto browse_hists; + case K_UNTAB: + if (pos->node.prev == &evlist->entries) + pos = list_entry(evlist->entries.prev, struct perf_evsel, node); + else + pos = list_entry(pos->node.prev, struct perf_evsel, node); + goto browse_hists; + case K_ESC: + if (!ui_browser__dialog_yesno(&menu->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + case K_LEFT: + continue; + case K_ESC: + if (!ui_browser__dialog_yesno(&menu->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + } + +out: + ui_browser__hide(&menu->b); + return key; +} + +static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, + const char *help, + void(*timer)(void *arg), void *arg, + int delay_secs) +{ + struct perf_evsel *pos; + struct perf_evsel_menu menu = { + .b = { + .entries = &evlist->entries, + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = perf_evsel_menu__write, + .nr_entries = evlist->nr_entries, + .priv = evlist, + }, + }; + + ui_helpline__push("Press ESC to exit"); + + list_for_each_entry(pos, &evlist->entries, node) { + const char *ev_name = event_name(pos); + size_t line_len = strlen(ev_name) + 7; + + if (menu.b.width < line_len) + menu.b.width = line_len; + /* + * Cache the evsel name, tracepoints have a _high_ cost per + * event_name() call. + */ + if (pos->name == NULL) + pos->name = strdup(ev_name); + } + + return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer, + arg, delay_secs); +} + +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, + void(*timer)(void *arg), void *arg, + int delay_secs) +{ + + if (evlist->nr_entries == 1) { + struct perf_evsel *first = list_entry(evlist->entries.next, + struct perf_evsel, node); + const char *ev_name = event_name(first); + return perf_evsel__hists_browse(first, evlist->nr_entries, help, + ev_name, false, timer, arg, + delay_secs); + } + + return __perf_evlist__tui_browse_hists(evlist, help, + timer, arg, delay_secs); +} diff --git a/tools/perf/ui/browsers/map.c b/tools/perf/ui/browsers/map.c new file mode 100644 index 000000000000..98851d55a53e --- /dev/null +++ b/tools/perf/ui/browsers/map.c @@ -0,0 +1,154 @@ +#include "../libslang.h" +#include <elf.h> +#include <newt.h> +#include <inttypes.h> +#include <sys/ttydefaults.h> +#include <string.h> +#include <linux/bitops.h> +#include "../../util/util.h" +#include "../../util/debug.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../helpline.h" +#include "map.h" + +static int ui_entry__read(const char *title, char *bf, size_t size, int width) +{ + struct newtExitStruct es; + newtComponent form, entry; + const char *result; + int err = -1; + + newtCenteredWindow(width, 1, title); + form = newtForm(NULL, NULL, 0); + if (form == NULL) + return -1; + + entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL); + if (entry == NULL) + goto out_free_form; + + newtFormAddComponent(form, entry); + newtFormAddHotKey(form, NEWT_KEY_ENTER); + newtFormAddHotKey(form, NEWT_KEY_ESCAPE); + newtFormAddHotKey(form, NEWT_KEY_LEFT); + newtFormAddHotKey(form, CTRL('c')); + newtFormRun(form, &es); + + if (result != NULL) { + strncpy(bf, result, size); + err = 0; + } +out_free_form: + newtPopWindow(); + newtFormDestroy(form); + return err; +} + +struct map_browser { + struct ui_browser b; + struct map *map; + u8 addrlen; +}; + +static void map_browser__write(struct ui_browser *self, void *nd, int row) +{ + struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + struct map_browser *mb = container_of(self, struct map_browser, b); + bool current_entry = ui_browser__is_current_entry(self, row); + int width; + + ui_browser__set_percent_color(self, 0, current_entry); + slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ", + mb->addrlen, sym->start, mb->addrlen, sym->end, + sym->binding == STB_GLOBAL ? 'g' : + sym->binding == STB_LOCAL ? 'l' : 'w'); + width = self->width - ((mb->addrlen * 2) + 4); + if (width > 0) + slsmg_write_nstring(sym->name, width); +} + +/* FIXME uber-kludgy, see comment on cmd_report... */ +static u32 *symbol__browser_index(struct symbol *self) +{ + return ((void *)self) - sizeof(struct rb_node) - sizeof(u32); +} + +static int map_browser__search(struct map_browser *self) +{ + char target[512]; + struct symbol *sym; + int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40); + + if (err) + return err; + + if (target[0] == '0' && tolower(target[1]) == 'x') { + u64 addr = strtoull(target, NULL, 16); + sym = map__find_symbol(self->map, addr, NULL); + } else + sym = map__find_symbol_by_name(self->map, target, NULL); + + if (sym != NULL) { + u32 *idx = symbol__browser_index(sym); + + self->b.top = &sym->rb_node; + self->b.index = self->b.top_idx = *idx; + } else + ui_helpline__fpush("%s not found!", target); + + return 0; +} + +static int map_browser__run(struct map_browser *self) +{ + int key; + + if (ui_browser__show(&self->b, self->map->dso->long_name, + "Press <- or ESC to exit, %s / to search", + verbose ? "" : "restart with -v to use") < 0) + return -1; + + while (1) { + key = ui_browser__run(&self->b, 0); + + if (verbose && key == '/') + map_browser__search(self); + else + break; + } + + ui_browser__hide(&self->b); + return key; +} + +int map__browse(struct map *self) +{ + struct map_browser mb = { + .b = { + .entries = &self->dso->symbols[self->type], + .refresh = ui_browser__rb_tree_refresh, + .seek = ui_browser__rb_tree_seek, + .write = map_browser__write, + }, + .map = self, + }; + struct rb_node *nd; + char tmp[BITS_PER_LONG / 4]; + u64 maxaddr = 0; + + for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) { + struct symbol *pos = rb_entry(nd, struct symbol, rb_node); + + if (maxaddr < pos->end) + maxaddr = pos->end; + if (verbose) { + u32 *idx = symbol__browser_index(pos); + *idx = mb.b.nr_entries; + } + ++mb.b.nr_entries; + } + + mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr); + return map_browser__run(&mb); +} diff --git a/tools/perf/ui/browsers/map.h b/tools/perf/ui/browsers/map.h new file mode 100644 index 000000000000..df8581a43e17 --- /dev/null +++ b/tools/perf/ui/browsers/map.h @@ -0,0 +1,6 @@ +#ifndef _PERF_UI_MAP_BROWSER_H_ +#define _PERF_UI_MAP_BROWSER_H_ 1 +struct map; + +int map__browse(struct map *self); +#endif /* _PERF_UI_MAP_BROWSER_H_ */ diff --git a/tools/perf/ui/helpline.c b/tools/perf/ui/helpline.c new file mode 100644 index 000000000000..2f950c2641c8 --- /dev/null +++ b/tools/perf/ui/helpline.c @@ -0,0 +1,79 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../debug.h" +#include "helpline.h" +#include "ui.h" +#include "libslang.h" + +void ui_helpline__pop(void) +{ +} + +char ui_helpline__current[512]; + +void ui_helpline__push(const char *msg) +{ + const size_t sz = sizeof(ui_helpline__current); + + SLsmg_gotorc(SLtt_Screen_Rows - 1, 0); + SLsmg_set_color(0); + SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols); + SLsmg_refresh(); + strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0'; +} + +void ui_helpline__vpush(const char *fmt, va_list ap) +{ + char *s; + + if (vasprintf(&s, fmt, ap) < 0) + vfprintf(stderr, fmt, ap); + else { + ui_helpline__push(s); + free(s); + } +} + +void ui_helpline__fpush(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + ui_helpline__vpush(fmt, ap); + va_end(ap); +} + +void ui_helpline__puts(const char *msg) +{ + ui_helpline__pop(); + ui_helpline__push(msg); +} + +void ui_helpline__init(void) +{ + ui_helpline__puts(" "); +} + +char ui_helpline__last_msg[1024]; + +int ui_helpline__show_help(const char *format, va_list ap) +{ + int ret; + static int backlog; + + pthread_mutex_lock(&ui__lock); + ret = vscnprintf(ui_helpline__last_msg + backlog, + sizeof(ui_helpline__last_msg) - backlog, format, ap); + backlog += ret; + + if (ui_helpline__last_msg[backlog - 1] == '\n') { + ui_helpline__puts(ui_helpline__last_msg); + SLsmg_refresh(); + backlog = 0; + } + pthread_mutex_unlock(&ui__lock); + + return ret; +} diff --git a/tools/perf/ui/helpline.h b/tools/perf/ui/helpline.h new file mode 100644 index 000000000000..7bab6b34e35e --- /dev/null +++ b/tools/perf/ui/helpline.h @@ -0,0 +1,16 @@ +#ifndef _PERF_UI_HELPLINE_H_ +#define _PERF_UI_HELPLINE_H_ 1 + +#include <stdio.h> +#include <stdarg.h> + +void ui_helpline__init(void); +void ui_helpline__pop(void); +void ui_helpline__push(const char *msg); +void ui_helpline__vpush(const char *fmt, va_list ap); +void ui_helpline__fpush(const char *fmt, ...); +void ui_helpline__puts(const char *msg); + +extern char ui_helpline__current[]; + +#endif /* _PERF_UI_HELPLINE_H_ */ diff --git a/tools/perf/ui/keysyms.h b/tools/perf/ui/keysyms.h new file mode 100644 index 000000000000..809eca5707fa --- /dev/null +++ b/tools/perf/ui/keysyms.h @@ -0,0 +1,27 @@ +#ifndef _PERF_KEYSYMS_H_ +#define _PERF_KEYSYMS_H_ 1 + +#include "libslang.h" + +#define K_DOWN SL_KEY_DOWN +#define K_END SL_KEY_END +#define K_ENTER '\r' +#define K_ESC 033 +#define K_F1 SL_KEY_F(1) +#define K_HOME SL_KEY_HOME +#define K_LEFT SL_KEY_LEFT +#define K_PGDN SL_KEY_NPAGE +#define K_PGUP SL_KEY_PPAGE +#define K_RIGHT SL_KEY_RIGHT +#define K_TAB '\t' +#define K_UNTAB SL_KEY_UNTAB +#define K_UP SL_KEY_UP +#define K_BKSPC 0x7f +#define K_DEL SL_KEY_DELETE + +/* Not really keys */ +#define K_TIMER -1 +#define K_ERROR -2 +#define K_RESIZE -3 + +#endif /* _PERF_KEYSYMS_H_ */ diff --git a/tools/perf/ui/libslang.h b/tools/perf/ui/libslang.h new file mode 100644 index 000000000000..4d54b6450f5b --- /dev/null +++ b/tools/perf/ui/libslang.h @@ -0,0 +1,29 @@ +#ifndef _PERF_UI_SLANG_H_ +#define _PERF_UI_SLANG_H_ 1 +/* + * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks + * the build if it isn't defined. Use the equivalent one that glibc + * has on features.h. + */ +#include <features.h> +#ifndef HAVE_LONG_LONG +#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG +#endif +#include <slang.h> + +#if SLANG_VERSION < 20104 +#define slsmg_printf(msg, args...) \ + SLsmg_printf((char *)(msg), ##args) +#define slsmg_write_nstring(msg, len) \ + SLsmg_write_nstring((char *)(msg), len) +#define sltt_set_color(obj, name, fg, bg) \ + SLtt_set_color(obj,(char *)(name), (char *)(fg), (char *)(bg)) +#else +#define slsmg_printf SLsmg_printf +#define slsmg_write_nstring SLsmg_write_nstring +#define sltt_set_color SLtt_set_color +#endif + +#define SL_KEY_UNTAB 0x1000 + +#endif /* _PERF_UI_SLANG_H_ */ diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c new file mode 100644 index 000000000000..13aa64e50e11 --- /dev/null +++ b/tools/perf/ui/progress.c @@ -0,0 +1,32 @@ +#include "../cache.h" +#include "progress.h" +#include "libslang.h" +#include "ui.h" +#include "browser.h" + +void ui_progress__update(u64 curr, u64 total, const char *title) +{ + int bar, y; + /* + * FIXME: We should have a per UI backend way of showing progress, + * stdio will just show a percentage as NN%, etc. + */ + if (use_browser <= 0) + return; + + if (total == 0) + return; + + ui__refresh_dimensions(true); + pthread_mutex_lock(&ui__lock); + y = SLtt_Screen_Rows / 2 - 2; + SLsmg_set_color(0); + SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); + SLsmg_gotorc(y++, 1); + SLsmg_write_string((char *)title); + SLsmg_set_color(HE_COLORSET_SELECTED); + bar = ((SLtt_Screen_Cols - 2) * curr) / total; + SLsmg_fill_region(y, 1, 1, bar, ' '); + SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); +} diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h new file mode 100644 index 000000000000..d9c205b59aa1 --- /dev/null +++ b/tools/perf/ui/progress.h @@ -0,0 +1,8 @@ +#ifndef _PERF_UI_PROGRESS_H_ +#define _PERF_UI_PROGRESS_H_ 1 + +#include <../types.h> + +void ui_progress__update(u64 curr, u64 total, const char *title); + +#endif diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c new file mode 100644 index 000000000000..85a69faa09aa --- /dev/null +++ b/tools/perf/ui/setup.c @@ -0,0 +1,155 @@ +#include <newt.h> +#include <signal.h> +#include <stdbool.h> + +#include "../cache.h" +#include "../debug.h" +#include "browser.h" +#include "helpline.h" +#include "ui.h" +#include "util.h" +#include "libslang.h" +#include "keysyms.h" + +pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; + +static volatile int ui__need_resize; + +void ui__refresh_dimensions(bool force) +{ + if (force || ui__need_resize) { + ui__need_resize = 0; + pthread_mutex_lock(&ui__lock); + SLtt_get_screen_size(); + SLsmg_reinit_smg(); + pthread_mutex_unlock(&ui__lock); + } +} + +static void ui__sigwinch(int sig __used) +{ + ui__need_resize = 1; +} + +static void ui__setup_sigwinch(void) +{ + static bool done; + + if (done) + return; + + done = true; + pthread__unblock_sigwinch(); + signal(SIGWINCH, ui__sigwinch); +} + +int ui__getch(int delay_secs) +{ + struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; + fd_set read_set; + int err, key; + + ui__setup_sigwinch(); + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + + if (delay_secs) { + timeout.tv_sec = delay_secs; + timeout.tv_usec = 0; + } + + err = select(1, &read_set, NULL, NULL, ptimeout); + + if (err == 0) + return K_TIMER; + + if (err == -1) { + if (errno == EINTR) + return K_RESIZE; + return K_ERROR; + } + + key = SLang_getkey(); + if (key != K_ESC) + return key; + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + timeout.tv_sec = 0; + timeout.tv_usec = 20; + err = select(1, &read_set, NULL, NULL, &timeout); + if (err == 0) + return K_ESC; + + SLang_ungetkey(key); + return SLkp_getkey(); +} + +static void newt_suspend(void *d __used) +{ + newtSuspend(); + raise(SIGTSTP); + newtResume(); +} + +static int ui__init(void) +{ + int err = SLkp_init(); + + if (err < 0) + goto out; + + SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB); +out: + return err; +} + +static void ui__exit(void) +{ + SLtt_set_cursor_visibility(1); + SLsmg_refresh(); + SLsmg_reset_smg(); + SLang_reset_tty(); +} + +static void ui__signal(int sig) +{ + ui__exit(); + psignal(sig, "perf"); + exit(0); +} + +void setup_browser(bool fallback_to_pager) +{ + if (!isatty(1) || !use_browser || dump_trace) { + use_browser = 0; + if (fallback_to_pager) + setup_pager(); + return; + } + + use_browser = 1; + newtInit(); + ui__init(); + newtSetSuspendCallback(newt_suspend, NULL); + ui_helpline__init(); + ui_browser__init(); + + signal(SIGSEGV, ui__signal); + signal(SIGFPE, ui__signal); + signal(SIGINT, ui__signal); + signal(SIGQUIT, ui__signal); + signal(SIGTERM, ui__signal); +} + +void exit_browser(bool wait_for_ok) +{ + if (use_browser > 0) { + if (wait_for_ok) + ui__question_window("Fatal Error", + ui_helpline__last_msg, + "Press any key...", 0); + ui__exit(); + } +} diff --git a/tools/perf/ui/ui.h b/tools/perf/ui/ui.h new file mode 100644 index 000000000000..7b67045479f6 --- /dev/null +++ b/tools/perf/ui/ui.h @@ -0,0 +1,11 @@ +#ifndef _PERF_UI_H_ +#define _PERF_UI_H_ 1 + +#include <pthread.h> +#include <stdbool.h> + +extern pthread_mutex_t ui__lock; + +void ui__refresh_dimensions(bool force); + +#endif /* _PERF_UI_H_ */ diff --git a/tools/perf/ui/util.c b/tools/perf/ui/util.c new file mode 100644 index 000000000000..ad4374a16bb0 --- /dev/null +++ b/tools/perf/ui/util.c @@ -0,0 +1,250 @@ +#include "../util.h" +#include <signal.h> +#include <stdbool.h> +#include <string.h> +#include <sys/ttydefaults.h> + +#include "../cache.h" +#include "../debug.h" +#include "browser.h" +#include "keysyms.h" +#include "helpline.h" +#include "ui.h" +#include "util.h" +#include "libslang.h" + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + bool current_entry = ui_browser__is_current_entry(browser, row); + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + slsmg_write_nstring(*arg, browser->width); +} + +static int popup_menu__run(struct ui_browser *menu) +{ + int key; + + if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + case K_ENTER: + key = menu->index; + break; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +int ui__popup_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return popup_menu__run(&menu); +} + +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_secs) +{ + int x, y, len, key; + int max_len = 60, nr_lines = 0; + static char buf[50]; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + max_len += 2; + nr_lines += 8; + y = SLtt_Screen_Rows / 2 - nr_lines / 2; + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 7; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + y += nr_lines; + len = 5; + while (len--) { + SLsmg_gotorc(y + len - 1, x); + SLsmg_write_nstring((char *)" ", max_len); + } + SLsmg_draw_box(y++, x + 1, 3, max_len - 2); + + SLsmg_gotorc(y + 3, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + + x += 2; + len = 0; + key = ui__getch(delay_secs); + while (key != K_TIMER && key != K_ENTER && key != K_ESC) { + if (key == K_BKSPC) { + if (len == 0) + goto next_key; + SLsmg_gotorc(y, x + --len); + SLsmg_write_char(' '); + } else { + buf[len] = key; + SLsmg_gotorc(y, x + len++); + SLsmg_write_char(key); + } + SLsmg_refresh(); + + /* XXX more graceful overflow handling needed */ + if (len == sizeof(buf) - 1) { + ui_helpline__push("maximum size of symbol name reached!"); + key = K_ENTER; + break; + } +next_key: + key = ui__getch(delay_secs); + } + + buf[len] = '\0'; + strncpy(input, buf, len+1); + return key; +} + +int ui__question_window(const char *title, const char *text, + const char *exit_msg, int delay_secs) +{ + int x, y; + int max_len = 0, nr_lines = 0; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + int len; + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + max_len += 2; + nr_lines += 4; + y = SLtt_Screen_Rows / 2 - nr_lines / 2, + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 2; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + SLsmg_gotorc(y + nr_lines - 2, x); + SLsmg_write_nstring((char *)" ", max_len); + SLsmg_gotorc(y + nr_lines - 1, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + return ui__getch(delay_secs); +} + +int ui__help_window(const char *text) +{ + return ui__question_window("Help", text, "Press any key...", 0); +} + +int ui__dialog_yesno(const char *msg) +{ + return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0); +} + +int __ui__warning(const char *title, const char *format, va_list args) +{ + char *s; + + if (use_browser > 0 && vasprintf(&s, format, args) > 0) { + int key; + + pthread_mutex_lock(&ui__lock); + key = ui__question_window(title, s, "Press any key...", 0); + pthread_mutex_unlock(&ui__lock); + free(s); + return key; + } + + fprintf(stderr, "%s:\n", title); + vfprintf(stderr, format, args); + return K_ESC; +} + +int ui__warning(const char *format, ...) +{ + int key; + va_list args; + + va_start(args, format); + key = __ui__warning("Warning", format, args); + va_end(args); + return key; +} + +int ui__error(const char *format, ...) +{ + int key; + va_list args; + + va_start(args, format); + key = __ui__warning("Error", format, args); + va_end(args); + return key; +} diff --git a/tools/perf/ui/util.h b/tools/perf/ui/util.h new file mode 100644 index 000000000000..2d1738bd71c8 --- /dev/null +++ b/tools/perf/ui/util.h @@ -0,0 +1,14 @@ +#ifndef _PERF_UI_UTIL_H_ +#define _PERF_UI_UTIL_H_ 1 + +#include <stdarg.h> + +int ui__getch(int delay_secs); +int ui__popup_menu(int argc, char * const argv[]); +int ui__help_window(const char *text); +int ui__dialog_yesno(const char *msg); +int ui__question_window(const char *title, const char *text, + const char *exit_msg, int delay_secs); +int __ui__warning(const char *title, const char *format, va_list args); + +#endif /* _PERF_UI_UTIL_H_ */ |