path: root/tools/perf/ui/browsers/annotate.c

#include "../../util/util.h"
#include "../browser.h"
#include "../helpline.h"
#include "../ui.h"
#include "../util.h"
#include "../../util/annotate.h"
#include "../../util/hist.h"
#include "../../util/sort.h"
#include "../../util/symbol.h"
#include "../../util/evsel.h"
#include "../../util/config.h"
#include "../../util/evlist.h"
#include <inttypes.h>
#include <pthread.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <sys/ttydefaults.h>

struct disasm_line_samples {
	double		percent;
	u64		nr;
};

#define IPC_WIDTH 6
#define CYCLES_WIDTH 6

struct browser_disasm_line {
	struct rb_node			rb_node;
	u32				idx;
	int				idx_asm;
	int				jump_sources;
	/*
	 * actual length of this array is saved on the nr_events field
	 * of the struct annotate_browser
	 */
	struct disasm_line_samples	samples[1];
};

static struct annotate_browser_opt {
	bool hide_src_code,
	     use_offset,
	     jump_arrows,
	     show_linenr,
	     show_nr_jumps,
	     show_total_period;
} annotate_browser__opts = {
	.use_offset	= true,
	.jump_arrows	= true,
};

struct arch;

struct annotate_browser {
	struct ui_browser b;
	struct rb_root	  entries;
	struct rb_node	  *curr_hot;
	struct disasm_line  *selection;
	struct disasm_line  **offsets;
	struct arch	    *arch;
	int		    nr_events;
	u64		    start;
	int		    nr_asm_entries;
	int		    nr_entries;
	int		    max_jump_sources;
	int		    nr_jumps;
	bool		    searching_backwards;
	bool		    have_cycles;
	u8		    addr_width;
	u8		    jumps_width;
	u8		    target_width;
	u8		    min_addr_width;
	u8		    max_addr_width;
	char		    search_bf[128];
};

static inline struct browser_disasm_line *disasm_line__browser(struct disasm_line *dl)
{
	return (struct browser_disasm_line *)(dl + 1);
}

static bool disasm_line__filter(struct ui_browser *browser __maybe_unused,
				void *entry)
{
	if (annotate_browser__opts.hide_src_code) {
		struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
		return dl->offset == -1;
	}

	return false;
}

static int annotate_browser__jumps_percent_color(struct annotate_browser *browser,
						 int nr, bool current)
{
	if (current && (!browser->b.use_navkeypressed || browser->b.navkeypressed))
		return HE_COLORSET_SELECTED;
	if (nr == browser->max_jump_sources)
		return HE_COLORSET_TOP;
	if (nr > 1)
		return HE_COLORSET_MEDIUM;
	return HE_COLORSET_NORMAL;
}

static int annotate_browser__set_jumps_percent_color(struct annotate_browser *browser,
						     int nr, bool current)
{
	 int color = annotate_browser__jumps_percent_color(browser, nr, current);
	 return ui_browser__set_color(&browser->b, color);
}

static int annotate_browser__pcnt_width(struct annotate_browser *ab)
{
	int w = 7 * ab->nr_events;

	if (ab->have_cycles)
		w += IPC_WIDTH + CYCLES_WIDTH;
	return w;
}

static void annotate_browser__write(struct ui_browser *browser, void *entry, int row)
{
	struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
	struct disasm_line *dl = list_entry(entry, struct disasm_line, node);
	struct browser_disasm_line *bdl = disasm_line__browser(dl);
	bool current_entry = ui_browser__is_current_entry(browser, row);
	bool change_color = (!