2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
4 * Parts came from builtin-{top,stat,record}.c, see those files for further
7 * Released under the GPL v2. (and only v2, not any later version)
9 #include "../browser.h"
10 #include "../../annotate.h"
11 #include "../helpline.h"
12 #include "../libslang.h"
14 #include "../../evlist.h"
15 #include "../../hist.h"
16 #include "../../sort.h"
17 #include "../../symbol.h"
18 #include "../../top.h"
20 struct perf_top_browser {
23 struct sym_entry *selection;
30 static void perf_top_browser__write(struct ui_browser *browser, void *entry, int row)
32 struct perf_top_browser *top_browser = container_of(browser, struct perf_top_browser, b);
33 struct sym_entry *syme = rb_entry(entry, struct sym_entry, rb_node);
34 bool current_entry = ui_browser__is_current_entry(browser, row);
35 struct symbol *symbol = sym_entry__symbol(syme);
36 struct perf_top *top = browser->priv;
37 int width = browser->width;
40 pcnt = 100.0 - (100.0 * ((top_browser->sum_ksamples - syme->snap_count) /
41 top_browser->sum_ksamples));
42 ui_browser__set_percent_color(browser, pcnt, current_entry);
44 if (top->evlist->nr_entries == 1 || !top->display_weighted) {
45 slsmg_printf("%20.2f ", syme->weight);
48 slsmg_printf("%9.1f %10ld ", syme->weight, syme->snap_count);
52 slsmg_printf("%4.1f%%", pcnt);
56 slsmg_printf(" %016" PRIx64, symbol->start);
60 slsmg_printf(" %-*.*s ", top_browser->sym_width, top_browser->sym_width,
62 width -= top_browser->sym_width;
63 slsmg_write_nstring(width >= syme->map->dso->long_name_len ?
64 syme->map->dso->long_name :
65 syme->map->dso->short_name, width);
68 top_browser->selection = syme;
71 static void perf_top_browser__update_rb_tree(struct perf_top_browser *browser)
73 struct perf_top *top = browser->b.priv;
74 u64 top_idx = browser->b.top_idx;
76 browser->root = RB_ROOT;
77 browser->b.top = NULL;
78 browser->sum_ksamples = perf_top__decay_samples(top, &browser->root);
79 perf_top__find_widths(top, &browser->root, &browser->dso_width,
80 &browser->dso_short_width,
82 if (browser->sym_width + browser->dso_width > browser->b.width - 29) {
83 browser->dso_width = browser->dso_short_width;
84 if (browser->sym_width + browser->dso_width > browser->b.width - 29)
85 browser->sym_width = browser->b.width - browser->dso_width - 29;
89 * Adjust the ui_browser indexes since the entries in the browser->root
90 * rb_tree may have changed, then seek it from start, so that we get a
91 * possible new top of the screen.
93 browser->b.nr_entries = top->rb_entries;
95 if (top_idx >= browser->b.nr_entries) {
96 if (browser->b.height >= browser->b.nr_entries)
97 top_idx = browser->b.nr_entries - browser->b.height;
102 if (browser->b.index >= top_idx + browser->b.height)
103 browser->b.index = top_idx + browser->b.index - browser->b.top_idx;
105 if (browser->b.index >= browser->b.nr_entries)
106 browser->b.index = browser->b.nr_entries - 1;
108 browser->b.top_idx = top_idx;
109 browser->b.seek(&browser->b, top_idx, SEEK_SET);
112 static void perf_top_browser__annotate(struct perf_top_browser *browser)
114 struct sym_entry *syme = browser->selection;
115 struct symbol *sym = sym_entry__symbol(syme);
116 struct annotation *notes = symbol__annotation(sym);
117 struct perf_top *top = browser->b.priv;
119 if (notes->src != NULL)
122 pthread_mutex_lock(¬es->lock);
124 top->sym_filter_entry = NULL;
126 if (symbol__alloc_hist(sym, top->evlist->nr_entries) < 0) {
127 pr_err("Not enough memory for annotating '%s' symbol!\n",
129 pthread_mutex_unlock(¬es->lock);
133 top->sym_filter_entry = syme;
135 pthread_mutex_unlock(¬es->lock);
137 symbol__tui_annotate(sym, syme->map, 0, top->delay_secs * 1000);
140 static int perf_top_browser__run(struct perf_top_browser *browser)
144 struct perf_top *top = browser->b.priv;
145 int delay_msecs = top->delay_secs * 1000;
146 int exit_keys[] = { 'a', NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
148 perf_top_browser__update_rb_tree(browser);
149 perf_top__header_snprintf(top, title, sizeof(title));
150 perf_top__reset_sample_counters(top);
152 if (ui_browser__show(&browser->b, title,
153 "ESC: exit, ENTER|->|a: Live Annotate") < 0)
156 newtFormSetTimer(browser->b.form, delay_msecs);
157 ui_browser__add_exit_keys(&browser->b, exit_keys);
160 key = ui_browser__run(&browser->b);
164 /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
165 perf_top_browser__update_rb_tree(browser);
166 perf_top__header_snprintf(top, title, sizeof(title));
167 perf_top__reset_sample_counters(top);
168 ui_browser__set_color(&browser->b, NEWT_COLORSET_ROOT);
170 slsmg_write_nstring(title, browser->b.width);
175 if (browser->selection)
176 perf_top_browser__annotate(browser);
180 case NEWT_KEY_ESCAPE:
181 if (!ui__dialog_yesno("Do you really want to exit?"))
189 ui_browser__hide(&browser->b);
193 int perf_top__tui_browser(struct perf_top *top)
195 struct perf_top_browser browser = {
197 .entries = &browser.root,
198 .refresh = ui_browser__rb_tree_refresh,
199 .seek = ui_browser__rb_tree_seek,
200 .write = perf_top_browser__write,
205 ui_helpline__push("Press <- or ESC to exit");
206 return perf_top_browser__run(&browser);