forked from Minki/linux
a3f895be1f
Simple algorithm, just look for the next backward jump that points to
before the cursor.
Then draw an arrow connecting the jump to its target.
Do this as you move the cursor, entering/exiting possible loops.
Ex (graph chars replaced to avoid mail encoding woes):
avc_has_perm_flags
0.00 | nopl 0x0(%rax)
5.36 |+-> 68: mov (%rax),%rax
5.15 || test %rax,%rax
0.00 || v je 130
2.96 || 74: cmp -0x20(%rax),%ebx
47.38 || lea -0x20(%rax),%rcx
0.28 || ^ jne 68
3.16 || cmp -0x18(%rax),%dx
0.00 |+------^ jne 68
4.92 | cmp 0x4(%rcx),%r13d
0.00 | v jne 68
1.15 | test %rcx,%rcx
0.00 | v je 130
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-5gairf6or7dazlx3ocxwvftm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
#ifndef _PERF_UI_BROWSER_H_
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#define _PERF_UI_BROWSER_H_ 1
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#include <stdbool.h>
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#include <sys/types.h>
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#include "../types.h"
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#define HE_COLORSET_TOP 50
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#define HE_COLORSET_MEDIUM 51
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#define HE_COLORSET_NORMAL 52
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#define HE_COLORSET_SELECTED 53
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#define HE_COLORSET_CODE 54
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#define HE_COLORSET_ADDR 55
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struct ui_browser {
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u64 index, top_idx;
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void *top, *entries;
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u16 y, x, width, height;
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int current_color;
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void *priv;
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const char *title;
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char *helpline;
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unsigned int (*refresh)(struct ui_browser *self);
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void (*write)(struct ui_browser *self, void *entry, int row);
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void (*seek)(struct ui_browser *self, off_t offset, int whence);
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bool (*filter)(struct ui_browser *self, void *entry);
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u32 nr_entries;
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bool navkeypressed;
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bool use_navkeypressed;
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};
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int ui_browser__set_color(struct ui_browser *browser, int color);
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void ui_browser__set_percent_color(struct ui_browser *self,
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double percent, bool current);
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bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row);
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void ui_browser__refresh_dimensions(struct ui_browser *self);
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void ui_browser__reset_index(struct ui_browser *self);
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void ui_browser__gotorc(struct ui_browser *self, int y, int x);
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void ui_browser__write_graph(struct ui_browser *browser, int graph);
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void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column,
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u64 start, u64 end, int start_width);
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void __ui_browser__show_title(struct ui_browser *browser, const char *title);
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void ui_browser__show_title(struct ui_browser *browser, const char *title);
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int ui_browser__show(struct ui_browser *self, const char *title,
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const char *helpline, ...);
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void ui_browser__hide(struct ui_browser *self);
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int ui_browser__refresh(struct ui_browser *self);
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int ui_browser__run(struct ui_browser *browser, int delay_secs);
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void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries);
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void ui_browser__handle_resize(struct ui_browser *browser);
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int ui_browser__warning(struct ui_browser *browser, int timeout,
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const char *format, ...);
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int ui_browser__help_window(struct ui_browser *browser, const char *text);
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bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text);
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int ui_browser__input_window(const char *title, const char *text, char *input,
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const char *exit_msg, int delay_sec);
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void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence);
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unsigned int ui_browser__argv_refresh(struct ui_browser *browser);
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void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence);
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unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self);
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void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence);
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unsigned int ui_browser__list_head_refresh(struct ui_browser *self);
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void ui_browser__init(void);
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#endif /* _PERF_UI_BROWSER_H_ */
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