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-rw-r--r--smartt-perf/util/ui/browser.c337
-rw-r--r--smartt-perf/util/ui/browser.h51
-rw-r--r--smartt-perf/util/ui/browsers/annotate.c237
-rw-r--r--smartt-perf/util/ui/browsers/hists.c1013
-rw-r--r--smartt-perf/util/ui/browsers/map.c156
-rw-r--r--smartt-perf/util/ui/browsers/map.h6
-rw-r--r--smartt-perf/util/ui/helpline.c69
-rw-r--r--smartt-perf/util/ui/helpline.h11
-rw-r--r--smartt-perf/util/ui/libslang.h27
-rw-r--r--smartt-perf/util/ui/progress.c60
-rw-r--r--smartt-perf/util/ui/progress.h11
-rw-r--r--smartt-perf/util/ui/setup.c42
-rw-r--r--smartt-perf/util/ui/util.c127
-rw-r--r--smartt-perf/util/ui/util.h10
14 files changed, 2157 insertions, 0 deletions
diff --git a/smartt-perf/util/ui/browser.c b/smartt-perf/util/ui/browser.c
new file mode 100644
index 0000000..8bc010e
--- /dev/null
+++ b/smartt-perf/util/ui/browser.c
@@ -0,0 +1,337 @@
+#include "libslang.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 "../color.h"
+#include "../util.h"
+#include <stdio.h>
+
+static int ui_browser__percent_color(double percent, bool current)
+{
+ if (current)
+ return HE_COLORSET_SELECTED;
+ if (percent >= MIN_RED)
+ return HE_COLORSET_TOP;
+ if (percent >= MIN_GREEN)
+ return HE_COLORSET_MEDIUM;
+ return HE_COLORSET_NORMAL;
+}
+
+void ui_browser__set_color(struct ui_browser *self __used, int color)
+{
+ SLsmg_set_color(color);
+}
+
+void ui_browser__set_percent_color(struct ui_browser *self,
+ double percent, bool current)
+{
+ int color = ui_browser__percent_color(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);
+}
+
+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;
+
+ switch (whence) {
+ case SEEK_SET:
+ pos = head->next;
+ break;
+ case SEEK_CUR:
+ pos = self->top;
+ break;
+ case SEEK_END:
+ pos = head->prev;
+ break;
+ default:
+ return;
+ }
+
+ if (offset > 0) {
+ while (offset-- != 0)
+ pos = pos->next;
+ } else {
+ while (offset++ != 0)
+ pos = 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)
+{
+ int cols, rows;
+ newtGetScreenSize(&cols, &rows);
+
+ self->width = cols - 1;
+ self->height = rows - 2;
+ self->y = 1;
+ self->x = 0;
+}
+
+void ui_browser__reset_index(struct ui_browser *self)
+{
+ self->index = self->top_idx = 0;
+ self->seek(self, 0, SEEK_SET);
+}
+
+void ui_browser__add_exit_key(struct ui_browser *self, int key)
+{
+ newtFormAddHotKey(self->form, key);
+}
+
+void ui_browser__add_exit_keys(struct ui_browser *self, int keys[])
+{
+ int i = 0;
+
+ while (keys[i] && i < 64) {
+ ui_browser__add_exit_key(self, keys[i]);
+ ++i;
+ }
+}
+
+int ui_browser__show(struct ui_browser *self, const char *title,
+ const char *helpline, ...)
+{
+ va_list ap;
+ int keys[] = { NEWT_KEY_UP, NEWT_KEY_DOWN, NEWT_KEY_PGUP,
+ NEWT_KEY_PGDN, NEWT_KEY_HOME, NEWT_KEY_END, ' ',
+ NEWT_KEY_LEFT, NEWT_KEY_ESCAPE, 'q', CTRL('c'), 0 };
+
+ if (self->form != NULL)
+ newtFormDestroy(self->form);
+
+ ui_browser__refresh_dimensions(self);
+ self->form = newtForm(NULL, NULL, 0);
+ if (self->form == NULL)
+ return -1;
+
+ self->sb = newtVerticalScrollbar(self->width, 1, self->height,
+ HE_COLORSET_NORMAL,
+ HE_COLORSET_SELECTED);
+ if (self->sb == NULL)
+ return -1;
+
+ SLsmg_gotorc(0, 0);
+ ui_browser__set_color(self, NEWT_COLORSET_ROOT);
+ slsmg_write_nstring(title, self->width);
+
+ ui_browser__add_exit_keys(self, keys);
+ newtFormAddComponent(self->form, self->sb);
+
+ va_start(ap, helpline);
+ ui_helpline__vpush(helpline, ap);
+ va_end(ap);
+ return 0;
+}
+
+void ui_browser__hide(struct ui_browser *self)
+{
+ newtFormDestroy(self->form);
+ self->form = NULL;
+ ui_helpline__pop();
+}
+
+int ui_browser__refresh(struct ui_browser *self)
+{
+ int row;
+
+ newtScrollbarSet(self->sb, self->index, self->nr_entries - 1);
+ row = self->refresh(self);
+ ui_browser__set_color(self, HE_COLORSET_NORMAL);
+ SLsmg_fill_region(self->y + row, self->x,
+ self->height - row, self->width, ' ');
+
+ return 0;
+}
+
+int ui_browser__run(struct ui_browser *self)
+{
+ struct newtExitStruct es;
+
+ if (ui_browser__refresh(self) < 0)
+ return -1;
+
+ while (1) {
+ off_t offset;
+
+ newtFormRun(self->form, &es);
+
+ if (es.reason != NEWT_EXIT_HOTKEY)
+ break;
+ switch (es.u.key) {
+ case NEWT_KEY_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 NEWT_KEY_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 NEWT_KEY_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 NEWT_KEY_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 NEWT_KEY_HOME:
+ ui_browser__reset_index(self);
+ break;
+ case NEWT_KEY_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 es.u.key;
+ }
+ if (ui_browser__refresh(self) < 0)
+ return -1;
+ }
+ 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 = head->next;
+
+ pos = self->top;
+
+ list_for_each_from(pos, head) {
+ ui_browser__gotorc(self, row, 0);
+ self->write(self, pos, row);
+ if (++row == self->height)
+ break;
+ }
+
+ return row;
+}
+
+static struct newtPercentTreeColors {
+ const char *topColorFg, *topColorBg;
+ const char *mediumColorFg, *mediumColorBg;
+ const char *normalColorFg, *normalColorBg;
+ const char *selColorFg, *selColorBg;
+ const char *codeColorFg, *codeColorBg;
+} defaultPercentTreeColors = {
+ "red", "lightgray",
+ "green", "lightgray",
+ "black", "lightgray",
+ "lightgray", "magenta",
+ "blue", "lightgray",
+};
+
+void ui_browser__init(void)
+{
+ struct newtPercentTreeColors *c = &defaultPercentTreeColors;
+
+ sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
+ sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
+ sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg);
+ sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg);
+ sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg);
+}
diff --git a/smartt-perf/util/ui/browser.h b/smartt-perf/util/ui/browser.h
new file mode 100644
index 0000000..0dc7e4d
--- /dev/null
+++ b/smartt-perf/util/ui/browser.h
@@ -0,0 +1,51 @@
+#ifndef _PERF_UI_BROWSER_H_
+#define _PERF_UI_BROWSER_H_ 1
+
+#include <stdbool.h>
+#include <newt.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
+
+struct ui_browser {
+ newtComponent form, sb;
+ u64 index, top_idx;
+ void *top, *entries;
+ u16 y, x, width, height;
+ void *priv;
+ 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);
+ u32 nr_entries;
+};
+
+
+void ui_browser__set_color(struct ui_browser *self, 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__add_exit_key(struct ui_browser *self, int key);
+void ui_browser__add_exit_keys(struct ui_browser *self, int keys[]);
+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 *self);
+
+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/smartt-perf/util/ui/browsers/annotate.c b/smartt-perf/util/ui/browsers/annotate.c
new file mode 100644
index 0000000..82b78f9
--- /dev/null
+++ b/smartt-perf/util/ui/browsers/annotate.c
@@ -0,0 +1,237 @@
+#include "../browser.h"
+#include "../helpline.h"
+#include "../libslang.h"
+#include "../../hist.h"
+#include "../../sort.h"
+#include "../../symbol.h"
+
+static void ui__error_window(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
+ va_end(ap);
+}
+
+struct annotate_browser {
+ struct ui_browser b;
+ struct rb_root entries;
+ struct rb_node *curr_hot;
+};
+
+struct objdump_line_rb_node {
+ struct rb_node rb_node;
+ double percent;
+ u32 idx;
+};
+
+static inline
+struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self)
+{
+ return (struct objdump_line_rb_node *)(self + 1);
+}
+
+static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
+{
+ struct objdump_line *ol = rb_entry(entry, struct objdump_line, node);
+ bool current_entry = ui_browser__is_current_entry(self, row);
+ int width = self->width;
+
+ if (ol->offset != -1) {
+ struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
+ ui_browser__set_percent_color(self, olrb->percent, current_entry);
+ slsmg_printf(" %7.2f ", olrb->percent);
+ if (!current_entry)
+ ui_browser__set_color(self, HE_COLORSET_CODE);
+ } else {
+ ui_browser__set_percent_color(self, 0, current_entry);
+ slsmg_write_nstring(" ", 9);
+ }
+
+ SLsmg_write_char(':');
+ slsmg_write_nstring(" ", 8);
+ if (!*ol->line)
+ slsmg_write_nstring(" ", width - 18);
+ else
+ slsmg_write_nstring(ol->line, width - 18);
+}
+
+static double objdump_line__calc_percent(struct objdump_line *self,
+ struct list_head *head,
+ struct symbol *sym)
+{
+ double percent = 0.0;
+
+ if (self->offset != -1) {
+ int len = sym->end - sym->start;
+ unsigned int hits = 0;
+ struct sym_priv *priv = symbol__priv(sym);
+ struct sym_ext *sym_ext = priv->ext;
+ struct sym_hist *h = priv->hist;
+ s64 offset = self->offset;
+ struct objdump_line *next = objdump__get_next_ip_line(head, self);
+
+
+ while (offset < (s64)len &&
+ (next == NULL || offset < next->offset)) {
+ if (sym_ext) {
+ percent += sym_ext[offset].percent;
+ } else
+ hits += h->ip[offset];
+
+ ++offset;
+ }
+
+ if (sym_ext == NULL && h->sum)
+ percent = 100.0 * hits / h->sum;
+ }
+
+ return percent;
+}
+
+static void objdump__insert_line(struct rb_root *self,
+ struct objdump_line_rb_node *line)
+{
+ struct rb_node **p = &self->rb_node;
+ struct rb_node *parent = NULL;
+ struct objdump_line_rb_node *l;
+
+ while (*p != NULL) {
+ parent = *p;
+ l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
+ if (line->percent < l->percent)
+ p = &(*p)->rb_left;
+ else
+ p = &(*p)->rb_right;
+ }
+ rb_link_node(&line->rb_node, parent, p);
+ rb_insert_color(&line->rb_node, self);
+}
+
+static void annotate_browser__set_top(struct annotate_browser *self,
+ struct rb_node *nd)
+{
+ struct objdump_line_rb_node *rbpos;
+ struct objdump_line *pos;
+ unsigned back;
+
+ ui_browser__refresh_dimensions(&self->b);
+ back = self->b.height / 2;
+ rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
+ pos = ((struct objdump_line *)rbpos) - 1;
+ self->b.top_idx = self->b.index = rbpos->idx;
+
+ while (self->b.top_idx != 0 && back != 0) {
+ pos = list_entry(pos->node.prev, struct objdump_line, node);
+
+ --self->b.top_idx;
+ --back;
+ }
+
+ self->b.top = pos;
+ self->curr_hot = nd;
+}
+
+static int annotate_browser__run(struct annotate_browser *self)
+{
+ struct rb_node *nd;
+ struct hist_entry *he = self->b.priv;
+ int key;
+
+ if (ui_browser__show(&self->b, he->ms.sym->name,
+ "<-, -> or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
+ return -1;
+ /*
+ * To allow builtin-annotate to cycle thru multiple symbols by
+ * examining the exit key for this function.
+ */
+ ui_browser__add_exit_key(&self->b, NEWT_KEY_RIGHT);
+
+ nd = self->curr_hot;
+ if (nd) {
+ int tabs[] = { NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0 };
+ ui_browser__add_exit_keys(&self->b, tabs);
+ }
+
+ while (1) {
+ key = ui_browser__run(&self->b);
+
+ switch (key) {
+ case NEWT_KEY_TAB:
+ nd = rb_prev(nd);
+ if (nd == NULL)
+ nd = rb_last(&self->entries);
+ annotate_browser__set_top(self, nd);
+ break;
+ case NEWT_KEY_UNTAB:
+ nd = rb_next(nd);
+ if (nd == NULL)
+ nd = rb_first(&self->entries);
+ annotate_browser__set_top(self, nd);
+ break;
+ default:
+ goto out;
+ }
+ }
+out:
+ ui_browser__hide(&self->b);
+ return key;
+}
+
+int hist_entry__tui_annotate(struct hist_entry *self)
+{
+ struct objdump_line *pos, *n;
+ struct objdump_line_rb_node *rbpos;
+ LIST_HEAD(head);
+ struct annotate_browser browser = {
+ .b = {
+ .entries = &head,
+ .refresh = ui_browser__list_head_refresh,
+ .seek = ui_browser__list_head_seek,
+ .write = annotate_browser__write,
+ .priv = self,
+ },
+ };
+ int ret;
+
+ if (self->ms.sym == NULL)
+ return -1;
+
+ if (self->ms.map->dso->annotate_warned)
+ return -1;
+
+ if (hist_entry__annotate(self, &head, sizeof(*rbpos)) < 0) {
+ ui__error_window(ui_helpline__last_msg);
+ return -1;
+ }
+
+ ui_helpline__push("Press <- or ESC to exit");
+
+ list_for_each_entry(pos, &head, node) {
+ size_t line_len = strlen(pos->line);
+ if (browser.b.width < line_len)
+ browser.b.width = line_len;
+ rbpos = objdump_line__rb(pos);
+ rbpos->idx = browser.b.nr_entries++;
+ rbpos->percent = objdump_line__calc_percent(pos, &head, self->ms.sym);
+ if (rbpos->percent < 0.01)
+ continue;
+ objdump__insert_line(&browser.entries, rbpos);
+ }
+
+ /*
+ * Position the browser at the hottest line.
+ */
+ browser.curr_hot = rb_last(&browser.entries);
+ if (browser.curr_hot)
+ annotate_browser__set_top(&browser, browser.curr_hot);
+
+ browser.b.width += 18; /* Percentage */
+ ret = annotate_browser__run(&browser);
+ list_for_each_entry_safe(pos, n, &head, node) {
+ list_del(&pos->node);
+ objdump_line__free(pos);
+ }
+ return ret;
+}
diff --git a/smartt-perf/util/ui/browsers/hists.c b/smartt-perf/util/ui/browsers/hists.c
new file mode 100644
index 0000000..60c463c
--- /dev/null
+++ b/smartt-perf/util/ui/browsers/hists.c
@@ -0,0 +1,1013 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#undef _GNU_SOURCE
+#include "../libslang.h"
+#include <stdlib.h>
+#include <string.h>
+#include <newt.h>
+#include <linux/rbtree.h>
+
+#include "../../hist.h"
+#include "../../pstack.h"
+#include "../../sort.h"
+#include "../../util.h"
+
+#include "../browser.h"
+#include "../helpline.h"
+#include "../util.h"
+#include "map.h"
+
+struct hist_browser {
+ struct ui_browser b;
+ struct hists *hists;
+ struct hist_entry *he_selection;
+ struct map_symbol *selection;
+};
+
+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->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 int hist_browser__run(struct hist_browser *self, const char *title)
+{
+ int key;
+ int exit_keys[] = { 'a', '?', 'h', 'C', 'd', 'D', 'E', 't',
+ NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT, 0, };
+
+ self->b.entries = &self->hists->entries;
+ self->b.nr_entries = self->hists->nr_entries;
+
+ hist_browser__refresh_dimensions(self);
+
+ if (ui_browser__show(&self->b, title,
+ "Press '?' for help on key bindings") < 0)
+ return -1;
+
+ ui_browser__add_exit_keys(&self->b, exit_keys);
+
+ while (1) {
+ key = ui_browser__run(&self->b);
+
+ switch (key) {
+ case 'D': { /* Debug */
+ static int seq;
+ struct hist_entry *h = rb_entry(self->b.top,
+ struct hist_entry, rb_node);
+ ui_helpline__pop();
+ ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d",
+ seq++, self->b.nr_entries,
+ self->hists->nr_entries,
+ self->b.height,
+ self->b.index,
+ self->b.top_idx,
+ h->row_offset, h->nr_rows);
+ }
+ 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 NEWT_KEY_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 = 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 color, width = self->b.width;
+ char folded_sign = ' ';
+ bool current_entry = ui_browser__is_current_entry(&self->b, row);
+ off_t row_offset = entry->row_offset;
+
+ if (current_entry) {
+ self->he_selection = entry;
+ self->selection = &entry->ms;
+ }
+
+ if (symbol_conf.use_callchain) {
+ 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, NULL, false,
+ 0, false, self->hists->stats.total_period);
+ percent = (entry->period * 100.0) / self->hists->stats.total_period;
+
+ color = HE_COLORSET_SELECTED;
+ if (!current_entry) {
+ if (percent >= MIN_RED)
+ color = HE_COLORSET_TOP;
+ else if (percent >= MIN_GREEN)
+ color = HE_COLORSET_MEDIUM;
+ else
+ color = HE_COLORSET_NORMAL;
+ }
+
+ ui_browser__set_color(&self->b, color);
+ ui_browser__gotorc(&self->b, row, 0);
+ if (symbol_conf.use_callchain) {
+ slsmg_printf("%c ", folded_sign);
+ width -= 2;
+ }
+ slsmg_write_nstring(s, width);
+ ++row;
+ ++printed;
+ } else
+ --row_offset;
+
+ if (folded_sign == '-' && row != self->b.height) {
+ printed += hist_browser__show_callchain(self, &entry->sorted_chain,
+ 1, row, &row_offset,
+ &current_entry);
+ if (current_entry)
+ self->he_selection = entry;
+ }
+
+ return printed;
+}
+
+static unsigned int hist_browser__refresh(struct ui_browser *self)
+{
+ unsigned row = 0;
+ struct rb_node *nd;
+ struct hist_browser *hb = container_of(self, struct hist_browser, b);
+
+ if (self->top == NULL)
+ self->top = rb_first(&hb->hists->entries);
+
+ for (nd = self->top; nd; nd = rb_next(nd)) {
+ struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+ if (h->filtered)
+ continue;
+
+ row += hist_browser__show_entry(hb, h, row);
+ if (row == self->height)
+ break;
+ }
+
+ return row;
+}
+
+static struct rb_node *hists__filter_entries(struct rb_node *nd)
+{
+ while (nd != NULL) {
+ struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+ if (!h->filtered)
+ return nd;
+
+ nd = rb_next(nd);
+ }
+
+ return NULL;
+}
+
+static struct rb_node *hists__filter_prev_entries(struct rb_node *nd)
+{
+ while (nd != NULL) {
+ struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+ if (!h->filtered)
+ return nd;
+
+ nd = rb_prev(nd);
+ }
+
+ return NULL;
+}
+
+static void ui_browser__hists_seek(struct ui_browser *self,
+ off_t offset, int whence)
+{
+ struct hist_entry *h;
+ struct rb_node *nd;
+ bool first = true;
+
+ switch (whence) {
+ case SEEK_SET:
+ nd = hists__filter_entries(rb_first(self->entries));
+ break;
+ case SEEK_CUR:
+ nd = self->top;
+ goto do_offset;
+ case SEEK_END:
+ nd = hists__filter_prev_entries(rb_last(self->entries));
+ first = false;
+ break;
+ default:
+ return;
+ }
+
+ /*
+ * Moves not relative to the first visible entry invalidates its
+ * row_offset:
+ */
+ h = rb_entry(self->top, struct hist_entry, rb_node);
+ h->row_offset = 0;
+
+ /*
+ * Here we have to check if nd is expanded (+), if it is we can't go
+ * the next top level hist_entry, instead we must compute an offset of
+ * what _not_ to show and not change the first visible entry.
+ *
+ * This offset increments when we are going from top to bottom and
+ * decreases when we're going from bottom to top.
+ *
+ * As we don't have backpointers to the top level in the callchains
+ * structure, we need to always print the whole hist_entry callchain,
+ * skipping the first ones that are before the first visible entry
+ * and stop when we printed enough lines to fill the screen.
+ */
+do_offset:
+ if (offset > 0) {
+ do {
+ h = rb_entry(nd, struct hist_entry, rb_node);
+ if (h->ms.unfolded) {
+ u16 remaining = h->nr_rows - h->row_offset;
+ if (offset > remaining) {
+ offset -= remaining;
+ h->row_offset = 0;
+ } else {
+ h->row_offset += offset;
+ offset = 0;
+ self->top = nd;
+ break;
+ }
+ }
+ nd = hists__filter_entries(rb_next(nd));
+ if (nd == NULL)
+ break;
+ --offset;
+ self->top = nd;
+ } while (offset != 0);
+ } else if (offset < 0) {
+ while (1) {
+ h = rb_entry(nd, struct hist_entry, rb_node);
+ if (h->ms.unfolded) {
+ if (first) {
+ if (-offset > h->row_offset) {
+ offset += h->row_offset;
+ h->row_offset = 0;
+ } else {
+ h->row_offset += offset;
+ offset = 0;
+ self->top = nd;
+ break;
+ }
+ } else {
+ if (-offset > h->nr_rows) {
+ offset += h->nr_rows;
+ h->row_offset = 0;
+ } else {
+ h->row_offset = h->nr_rows + offset;
+ offset = 0;
+ self->top = nd;
+ break;
+ }
+ }
+ }
+
+ nd = hists__filter_prev_entries(rb_prev(nd));
+ if (nd == NULL)
+ break;
+ ++offset;
+ self->top = nd;
+ if (offset == 0) {
+ /*
+ * Last unfiltered hist_entry, check if it is
+ * unfolded, if it is then we should have
+ * row_offset at its last entry.
+ */
+ h = rb_entry(nd, struct hist_entry, rb_node);
+ if (h->ms.unfolded)
+ h->row_offset = h->nr_rows;
+ break;
+ }
+ first = false;
+ }
+ } else {
+ self->top = nd;
+ h = rb_entry(nd, struct hist_entry, rb_node);
+ h->row_offset = 0;
+ }
+}
+
+static struct hist_browser *hist_browser__new(struct hists *hists)
+{
+ struct hist_browser *self = zalloc(sizeof(*self));
+
+ if (self) {
+ self->hists = hists;
+ self->b.refresh = hist_browser__refresh;
+ self->b.seek = ui_browser__hists_seek;
+ }
+
+ return self;
+}
+
+static void hist_browser__delete(struct hist_browser *self)
+{
+ 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, const struct dso *dso,
+ const struct thread *thread)
+{
+ char unit;
+ int printed;
+ unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
+
+ nr_events = convert_unit(nr_events, &unit);
+ printed = snprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name);
+
+ if (thread)
+ printed += snprintf(bf + printed, size - printed,
+ ", Thread: %s(%d)",
+ (thread->comm_set ? thread->comm : ""),
+ thread->pid);
+ if (dso)
+ printed += snprintf(bf + printed, size - printed,
+ ", DSO: %s", dso->short_name);
+ return printed;
+}
+
+int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
+{
+ struct hist_browser *browser = hist_browser__new(self);
+ struct pstack *fstack;
+ const struct thread *thread_filter = NULL;
+ const struct dso *dso_filter = NULL;
+ char msg[160];
+ int key = -1;
+
+ if (browser == NULL)
+ return -1;
+
+ fstack = pstack__new(2);
+ if (fstack == NULL)
+ goto out;
+
+ ui_helpline__push(helpline);
+
+ hists__browser_title(self, msg, sizeof(msg), ev_name,
+ dso_filter, thread_filter);
+ while (1) {
+ const struct thread *thread;
+ const struct dso *dso;
+ char *options[16];
+ int nr_options = 0, choice = 0, i,
+ annotate = -2, zoom_dso = -2, zoom_thread = -2,
+ browse_map = -2;
+
+ key = hist_browser__run(browser, msg);
+
+ thread = hist_browser__selected_thread(browser);
+ dso = browser->selection->map ? browser->selection->map->dso : NULL;
+
+ switch (key) {
+ case NEWT_KEY_TAB:
+ case NEWT_KEY_UNTAB:
+ /*
+ * Exit the browser, let hists__browser_tree
+ * go to the next or previous
+ */
+ goto out_free_stack;
+ case 'a':
+ if (browser->selection->map == NULL &&
+ browser->selection->map->dso->annotate_warned)
+ continue;
+ goto do_annotate;
+ case 'd':
+ goto zoom_dso;
+ case 't':
+ goto zoom_thread;
+ case NEWT_KEY_F1:
+ case 'h':
+ case '?':
+ ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
+ "<- Zoom out\n"
+ "a Annotate current symbol\n"
+ "h/?/F1 Show this window\n"
+ "C Collapse all callchains\n"
+ "E Expand all callchains\n"
+ "d Zoom into current DSO\n"
+ "t Zoom into current Thread\n"
+ "q/CTRL+C Exit browser");
+ continue;
+ case NEWT_KEY_ENTER:
+ case NEWT_KEY_RIGHT:
+ /* menu */
+ break;
+ case NEWT_KEY_LEFT: {
+ const void *top;
+
+ if (pstack__empty(fstack))
+ continue;
+ top = pstack__pop(fstack);
+ if (top == &dso_filter)
+ goto zoom_out_dso;
+ if (top == &thread_filter)
+ goto zoom_out_thread;
+ continue;
+ }
+ case NEWT_KEY_ESCAPE:
+ if (!ui__dialog_yesno("Do you really want to exit?"))
+ continue;
+ /* Fall thru */
+ default:
+ goto out_free_stack;
+ }
+
+ if (browser->selection->sym != NULL &&
+ !browser->selection->map->dso->annotate_warned &&
+ asprintf(&options[nr_options], "Annotate %s",
+ browser->selection->sym->name) > 0)
+ annotate = nr_options++;
+
+ if (thread != NULL &&
+ asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
+ (thread_filter ? "out of" : "into"),
+ (thread->comm_set ? thread->comm : ""),
+ thread->pid) > 0)
+ zoom_thread = nr_options++;
+
+ if (dso != NULL &&
+ asprintf(&options[nr_options], "Zoom %s %s DSO",
+ (dso_filter ? "out of" : "into"),
+ (dso->kernel ? "the Kernel" : dso->short_name)) > 0)
+ zoom_dso = nr_options++;
+
+ if (browser->selection->map != NULL &&
+ asprintf(&options[nr_options], "Browse map details") > 0)
+ browse_map = nr_options++;
+
+ options[nr_options++] = (char *)"Exit";
+
+ choice = ui__popup_menu(nr_options, options);
+
+ for (i = 0; i < nr_options - 1; ++i)
+ free(options[i]);
+
+ if (choice == nr_options - 1)
+ break;
+
+ if (choice == -1)
+ continue;
+
+ if (choice == annotate) {
+ struct hist_entry *he;
+do_annotate:
+ if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
+ browser->selection->map->dso->annotate_warned = 1;
+ ui_helpline__puts("No vmlinux file found, can't "
+ "annotate with just a "
+ "kallsyms file");
+ continue;
+ }
+
+ he = hist_browser__selected_entry(browser);
+ if (he == NULL)
+ continue;
+
+ hist_entry__tui_annotate(he);
+ } else if (choice == browse_map)
+ map__browse(browser->selection->map);
+ else if (choice == zoom_dso) {
+zoom_dso:
+ if (dso_filter) {
+ pstack__remove(fstack, &dso_filter);
+zoom_out_dso:
+ ui_helpline__pop();
+ dso_filter = NULL;
+ } else {
+ if (dso == NULL)
+ continue;
+ ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
+ dso->kernel ? "the Kernel" : dso->short_name);
+ dso_filter = dso;
+ pstack__push(fstack, &dso_filter);
+ }
+ hists__filter_by_dso(self, dso_filter);
+ hists__browser_title(self, msg, sizeof(msg), ev_name,
+ dso_filter, thread_filter);
+ hist_browser__reset(browser);
+ } else if (choice == zoom_thread) {
+zoom_thread:
+ if (thread_filter) {
+ pstack__remove(fstack, &thread_filter);
+zoom_out_thread:
+ ui_helpline__pop();
+ thread_filter = NULL;
+ } else {
+ ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
+ thread->comm_set ? thread->comm : "",
+ thread->pid);
+ thread_filter = thread;
+ pstack__push(fstack, &thread_filter);
+ }
+ hists__filter_by_thread(self, thread_filter);
+ hists__browser_title(self, msg, sizeof(msg), ev_name,
+ dso_filter, thread_filter);
+ hist_browser__reset(browser);
+ }
+ }
+out_free_stack:
+ pstack__delete(fstack);
+out:
+ hist_browser__delete(browser);
+ return key;
+}
+
+int hists__tui_browse_tree(struct rb_root *self, const char *help)
+{
+ struct rb_node *first = rb_first(self), *nd = first, *next;
+ int key = 0;
+
+ while (nd) {
+ struct hists *hists = rb_entry(nd, struct hists, rb_node);
+ const char *ev_name = __event_name(hists->type, hists->config);
+
+ key = hists__browse(hists, help, ev_name);
+ switch (key) {
+ case NEWT_KEY_TAB:
+ next = rb_next(nd);
+ if (next)
+ nd = next;
+ break;
+ case NEWT_KEY_UNTAB:
+ if (nd == first)
+ continue;
+ nd = rb_prev(nd);
+ default:
+ return key;
+ }
+ }
+
+ return key;
+}
diff --git a/smartt-perf/util/ui/browsers/map.c b/smartt-perf/util/ui/browsers/map.c
new file mode 100644
index 0000000..e515836
--- /dev/null
+++ b/smartt-perf/util/ui/browsers/map.c
@@ -0,0 +1,156 @@
+#include "../libslang.h"
+#include <elf.h>
+#include <inttypes.h>
+#include <sys/ttydefaults.h>
+#include <ctype.h>
+#include <string.h>
+#include <linux/bitops.h>
+#include "../../debug.h"
+#include "../../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 0;
+}
+
+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;
+
+ if (verbose)
+ ui_browser__add_exit_key(&self->b, '/');
+
+ while (1) {
+ key = ui_browser__run(&self->b);
+
+ 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/smartt-perf/util/ui/browsers/map.h b/smartt-perf/util/ui/browsers/map.h
new file mode 100644
index 0000000..df8581a
--- /dev/null
+++ b/smartt-perf/util/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/smartt-perf/util/ui/helpline.c b/smartt-perf/util/ui/helpline.c
new file mode 100644
index 0000000..8d79daa
--- /dev/null
+++ b/smartt-perf/util/ui/helpline.c
@@ -0,0 +1,69 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <newt.h>
+
+#include "../debug.h"
+#include "helpline.h"
+
+void ui_helpline__pop(void)
+{
+ newtPopHelpLine();
+}
+
+void ui_helpline__push(const char *msg)
+{
+ newtPushHelpLine(msg);
+}
+
+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;
+
+ ret = vsnprintf(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);
+ newtRefresh();
+ backlog = 0;
+ }
+
+ return ret;
+}
diff --git a/smartt-perf/util/ui/helpline.h b/smartt-perf/util/ui/helpline.h
new file mode 100644
index 0000000..ab6028d
--- /dev/null
+++ b/smartt-perf/util/ui/helpline.h
@@ -0,0 +1,11 @@
+#ifndef _PERF_UI_HELPLINE_H_
+#define _PERF_UI_HELPLINE_H_ 1
+
+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);
+
+#endif /* _PERF_UI_HELPLINE_H_ */
diff --git a/smartt-perf/util/ui/libslang.h b/smartt-perf/util/ui/libslang.h
new file mode 100644
index 0000000..5623da8
--- /dev/null
+++ b/smartt-perf/util/ui/libslang.h
@@ -0,0 +1,27 @@
+#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
+
+#endif /* _PERF_UI_SLANG_H_ */
diff --git a/smartt-perf/util/ui/progress.c b/smartt-perf/util/ui/progress.c
new file mode 100644
index 0000000..d7fc399
--- /dev/null
+++ b/smartt-perf/util/ui/progress.c
@@ -0,0 +1,60 @@
+#include <stdlib.h>
+#include <newt.h>
+#include "../cache.h"
+#include "progress.h"
+
+struct ui_progress {
+ newtComponent form, scale;
+};
+
+struct ui_progress *ui_progress__new(const char *title, u64 total)
+{
+ struct ui_progress *self = malloc(sizeof(*self));
+
+ if (self != NULL) {
+ int cols;
+
+ if (use_browser <= 0)
+ return self;
+ newtGetScreenSize(&cols, NULL);
+ cols -= 4;
+ newtCenteredWindow(cols, 1, title);
+ self->form = newtForm(NULL, NULL, 0);
+ if (self->form == NULL)
+ goto out_free_self;
+ self->scale = newtScale(0, 0, cols, total);
+ if (self->scale == NULL)
+ goto out_free_form;
+ newtFormAddComponent(self->form, self->scale);
+ newtRefresh();
+ }
+
+ return self;
+
+out_free_form:
+ newtFormDestroy(self->form);
+out_free_self:
+ free(self);
+ return NULL;
+}
+
+void ui_progress__update(struct ui_progress *self, u64 curr)
+{
+ /*
+ * 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;
+ newtScaleSet(self->scale, curr);
+ newtRefresh();
+}
+
+void ui_progress__delete(struct ui_progress *self)
+{
+ if (use_browser > 0) {
+ newtFormDestroy(self->form);
+ newtPopWindow();
+ }
+ free(self);
+}
diff --git a/smartt-perf/util/ui/progress.h b/smartt-perf/util/ui/progress.h
new file mode 100644
index 0000000..a3820a0
--- /dev/null
+++ b/smartt-perf/util/ui/progress.h
@@ -0,0 +1,11 @@
+#ifndef _PERF_UI_PROGRESS_H_
+#define _PERF_UI_PROGRESS_H_ 1
+
+struct ui_progress;
+
+struct ui_progress *ui_progress__new(const char *title, u64 total);
+void ui_progress__delete(struct ui_progress *self);
+
+void ui_progress__update(struct ui_progress *self, u64 curr);
+
+#endif
diff --git a/smartt-perf/util/ui/setup.c b/smartt-perf/util/ui/setup.c
new file mode 100644
index 0000000..6620850
--- /dev/null
+++ b/smartt-perf/util/ui/setup.c
@@ -0,0 +1,42 @@
+#include <newt.h>
+#include <signal.h>
+#include <stdbool.h>
+
+#include "../cache.h"
+#include "../debug.h"
+#include "browser.h"
+#include "helpline.h"
+
+static void newt_suspend(void *d __used)
+{
+ newtSuspend();
+ raise(SIGTSTP);
+ newtResume();
+}
+
+void setup_browser(void)
+{
+ if (!isatty(1) || !use_browser || dump_trace) {
+ use_browser = 0;
+ setup_pager();
+ return;
+ }
+
+ use_browser = 1;
+ newtInit();
+ newtCls();
+ newtSetSuspendCallback(newt_suspend, NULL);
+ ui_helpline__init();
+ ui_browser__init();
+}
+
+void exit_browser(bool wait_for_ok)
+{
+ if (use_browser > 0) {
+ if (wait_for_ok) {
+ char title[] = "Fatal Error", ok[] = "Ok";
+ newtWinMessage(title, ok, ui_helpline__last_msg);
+ }
+ newtFinished();
+ }
+}
diff --git a/smartt-perf/util/ui/util.c b/smartt-perf/util/ui/util.c
new file mode 100644
index 0000000..7b5a892
--- /dev/null
+++ b/smartt-perf/util/ui/util.c
@@ -0,0 +1,127 @@
+#include <newt.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sys/ttydefaults.h>
+
+#include "../cache.h"
+#include "../debug.h"
+#include "browser.h"
+#include "helpline.h"
+#include "util.h"
+
+static void newt_form__set_exit_keys(newtComponent self)
+{
+ newtFormAddHotKey(self, NEWT_KEY_LEFT);
+ newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
+ newtFormAddHotKey(self, 'Q');
+ newtFormAddHotKey(self, 'q');
+ newtFormAddHotKey(self, CTRL('c'));
+}
+
+static newtComponent newt_form__new(void)
+{
+ newtComponent self = newtForm(NULL, NULL, 0);
+ if (self)
+ newt_form__set_exit_keys(self);
+ return self;
+}
+
+int ui__popup_menu(int argc, char * const argv[])
+{
+ struct newtExitStruct es;
+ int i, rc = -1, max_len = 5;
+ newtComponent listbox, form = newt_form__new();
+
+ if (form == NULL)
+ return -1;
+
+ listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
+ if (listbox == NULL)
+ goto out_destroy_form;
+
+ newtFormAddComponent(form, listbox);
+
+ for (i = 0; i < argc; ++i) {
+ int len = strlen(argv[i]);
+ if (len > max_len)
+ max_len = len;
+ if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
+ goto out_destroy_form;
+ }
+
+ newtCenteredWindow(max_len, argc, NULL);
+ newtFormRun(form, &es);
+ rc = newtListboxGetCurrent(listbox) - NULL;
+ if (es.reason == NEWT_EXIT_HOTKEY)
+ rc = -1;
+ newtPopWindow();
+out_destroy_form:
+ newtFormDestroy(form);
+ return rc;
+}
+
+int ui__help_window(const char *text)
+{
+ struct newtExitStruct es;
+ newtComponent tb, form = newt_form__new();
+ int rc = -1;
+ int max_len = 0, nr_lines = 0;
+ const char *t;
+
+ if (form == NULL)
+ return -1;
+
+ 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;
+ }
+
+ tb = newtTextbox(0, 0, max_len, nr_lines, 0);
+ if (tb == NULL)
+ goto out_destroy_form;
+
+ newtTextboxSetText(tb, text);
+ newtFormAddComponent(form, tb);
+ newtCenteredWindow(max_len, nr_lines, NULL);
+ newtFormRun(form, &es);
+ newtPopWindow();
+ rc = 0;
+out_destroy_form:
+ newtFormDestroy(form);
+ return rc;
+}
+
+static const char yes[] = "Yes", no[] = "No",
+ warning_str[] = "Warning!", ok[] = "Ok";
+
+bool ui__dialog_yesno(const char *msg)
+{
+ /* newtWinChoice should really be accepting const char pointers... */
+ return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1;
+}
+
+void ui__warning(const char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+ if (use_browser > 0)
+ newtWinMessagev((char *)warning_str, (char *)ok,
+ (char *)format, args);
+ else
+ vfprintf(stderr, format, args);
+ va_end(args);
+}
diff --git a/smartt-perf/util/ui/util.h b/smartt-perf/util/ui/util.h
new file mode 100644
index 0000000..afcbc1d
--- /dev/null
+++ b/smartt-perf/util/ui/util.h
@@ -0,0 +1,10 @@
+#ifndef _PERF_UI_UTIL_H_
+#define _PERF_UI_UTIL_H_ 1
+
+#include <stdbool.h>
+
+int ui__popup_menu(int argc, char * const argv[]);
+int ui__help_window(const char *text);
+bool ui__dialog_yesno(const char *msg);
+
+#endif /* _PERF_UI_UTIL_H_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 05:57:03 +0000