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Diffstat (limited to 'tools/perf/ui/browsers/annotate.c')
-rw-r--r--tools/perf/ui/browsers/annotate.c169
1 files changed, 135 insertions, 34 deletions
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 183902dac042..8fe699f98542 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -4,7 +4,9 @@
#include "../ui.h"
#include "../../util/annotate.h"
#include "../../util/debug.h"
+#include "../../util/debuginfo.h"
#include "../../util/dso.h"
+#include "../../util/hashmap.h"
#include "../../util/hist.h"
#include "../../util/sort.h"
#include "../../util/map.h"
@@ -12,7 +14,9 @@
#include "../../util/symbol.h"
#include "../../util/evsel.h"
#include "../../util/evlist.h"
+#include "../../util/thread.h"
#include <inttypes.h>
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/zalloc.h>
@@ -27,10 +31,31 @@ struct annotate_browser {
struct rb_node *curr_hot;
struct annotation_line *selection;
struct arch *arch;
+ /*
+ * perf top can delete hist_entry anytime. Callers should make sure
+ * its lifetime.
+ */
+ struct hist_entry *he;
+ struct debuginfo *dbg;
+ struct evsel *evsel;
+ struct hashmap *type_hash;
bool searching_backwards;
char search_bf[128];
};
+/* A copy of target hist_entry for perf top. */
+static struct hist_entry annotate_he;
+
+static size_t type_hash(long key, void *ctx __maybe_unused)
+{
+ return key;
+}
+
+static bool type_equal(long key1, long key2, void *ctx __maybe_unused)
+{
+ return key1 == key2;
+}
+
static inline struct annotation *browser__annotation(struct ui_browser *browser)
{
struct map_symbol *ms = browser->priv;
@@ -107,12 +132,21 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
.printf = annotate_browser__printf,
.write_graph = annotate_browser__write_graph,
};
+ struct annotation_print_data apd = {
+ .he = ab->he,
+ .arch = ab->arch,
+ .evsel = ab->evsel,
+ .dbg = ab->dbg,
+ };
/* The scroll bar isn't being used */
if (!browser->navkeypressed)
ops.width += 1;
- annotation_line__write(al, notes, &ops);
+ if (!IS_ERR_OR_NULL(ab->type_hash))
+ apd.type_hash = ab->type_hash;
+
+ annotation_line__write(al, notes, &ops, &apd);
if (ops.current_entry)
ab->selection = al;
@@ -515,9 +549,24 @@ static void ui_browser__init_asm_mode(struct ui_browser *browser)
static int sym_title(struct symbol *sym, struct map *map, char *title,
size_t sz, int percent_type)
{
- return snprintf(title, sz, "%s %s [Percent: %s]", sym->name,
+ return snprintf(title, sz, "%s %s [Percent: %s] %s", sym->name,
dso__long_name(map__dso(map)),
- percent_type_str(percent_type));
+ percent_type_str(percent_type),
+ annotate_opts.code_with_type ? "[Type]" : "");
+}
+
+static void annotate_browser__show_function_title(struct annotate_browser *browser)
+{
+ struct ui_browser *b = &browser->b;
+ struct map_symbol *ms = b->priv;
+ struct symbol *sym = ms->sym;
+ char title[SYM_TITLE_MAX_SIZE];
+
+ sym_title(sym, ms->map, title, sizeof(title), annotate_opts.percent_type);
+
+ ui_browser__gotorc_title(b, 0, 0);
+ ui_browser__set_color(b, HE_COLORSET_ROOT);
+ ui_browser__write_nstring(b, title, b->width + 1);
}
/*
@@ -536,7 +585,6 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
struct map_symbol *ms = browser->b.priv, target_ms;
struct disasm_line *dl = disasm_line(browser->selection);
struct annotation *notes;
- char title[SYM_TITLE_MAX_SIZE];
if (!dl->ops.target.sym) {
ui_helpline__puts("The called function was not found.");
@@ -557,9 +605,14 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
target_ms.map = ms->map;
target_ms.sym = dl->ops.target.sym;
annotation__unlock(notes);
- symbol__tui_annotate(&target_ms, evsel, hbt);
- sym_title(ms->sym, ms->map, title, sizeof(title), annotate_opts.percent_type);
- ui_browser__show_title(&browser->b, title);
+ __hist_entry__tui_annotate(browser->he, &target_ms, evsel, hbt);
+
+ /*
+ * The annotate_browser above changed the title with the target function
+ * and now it's back to the original function. Refresh the header line
+ * for the original function again.
+ */
+ annotate_browser__show_function_title(browser);
return true;
}
@@ -731,20 +784,12 @@ bool annotate_browser__continue_search_reverse(struct annotate_browser *browser,
return __annotate_browser__search_reverse(browser);
}
-static int annotate_browser__show(struct ui_browser *browser, char *title, const char *help)
+static int annotate_browser__show(struct annotate_browser *browser, char *title, const char *help)
{
- struct map_symbol *ms = browser->priv;
- struct symbol *sym = ms->sym;
- char symbol_dso[SYM_TITLE_MAX_SIZE];
-
- if (ui_browser__show(browser, title, help) < 0)
+ if (ui_browser__show(&browser->b, title, help) < 0)
return -1;
- sym_title(sym, ms->map, symbol_dso, sizeof(symbol_dso), annotate_opts.percent_type);
-
- ui_browser__gotorc_title(browser, 0, 0);
- ui_browser__set_color(browser, HE_COLORSET_ROOT);
- ui_browser__write_nstring(browser, symbol_dso, browser->width + 1);
+ annotate_browser__show_function_title(browser);
return 0;
}
@@ -793,6 +838,20 @@ static int annotate__scnprintf_title(struct hists *hists, char *bf, size_t size)
return printed;
}
+static void annotate_browser__debuginfo_warning(struct annotate_browser *browser)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct dso *dso = map__dso(ms->map);
+
+ if (browser->dbg == NULL && annotate_opts.code_with_type &&
+ !dso__debuginfo_warned(dso)) {
+ ui__warning("DWARF debuginfo not found.\n\n"
+ "Data-type in this DSO will not be displayed.\n"
+ "Please make sure to have debug information.");
+ dso__set_debuginfo_warned(dso);
+ }
+}
+
static int annotate_browser__run(struct annotate_browser *browser,
struct evsel *evsel,
struct hist_browser_timer *hbt)
@@ -809,7 +868,7 @@ static int annotate_browser__run(struct annotate_browser *browser,
int key;
annotate__scnprintf_title(hists, title, sizeof(title));
- if (annotate_browser__show(&browser->b, title, help) < 0)
+ if (annotate_browser__show(browser, title, help) < 0)
return -1;
annotate_browser__calc_percent(browser, evsel);
@@ -823,6 +882,8 @@ static int annotate_browser__run(struct annotate_browser *browser,
annotation_br_cntr_abbr_list(&br_cntr_text, evsel, false);
+ annotate_browser__debuginfo_warning(browser);
+
while (1) {
key = ui_browser__run(&browser->b, delay_secs);
@@ -845,7 +906,7 @@ static int annotate_browser__run(struct annotate_browser *browser,
if (delay_secs != 0) {
symbol__annotate_decay_histogram(sym, evsel);
annotate__scnprintf_title(hists, title, sizeof(title));
- annotate_browser__show(&browser->b, title, help);
+ annotate_browser__show(browser, title, help);
}
continue;
case K_TAB:
@@ -891,11 +952,12 @@ static int annotate_browser__run(struct annotate_browser *browser,
"b Toggle percent base [period/hits]\n"
"B Branch counter abbr list (Optional)\n"
"? Search string backwards\n"
- "f Toggle showing offsets to full address\n");
+ "f Toggle showing offsets to full address\n"
+ "T Toggle data type display\n");
continue;
case 'r':
script_browse(NULL, NULL);
- annotate_browser__show(&browser->b, title, help);
+ annotate_browser__show(browser, title, help);
continue;
case 'k':
annotate_opts.show_linenr = !annotate_opts.show_linenr;
@@ -910,7 +972,7 @@ static int annotate_browser__run(struct annotate_browser *browser,
if (annotate_browser__toggle_source(browser, evsel))
ui_helpline__puts(help);
annotate__scnprintf_title(hists, title, sizeof(title));
- annotate_browser__show(&browser->b, title, help);
+ annotate_browser__show(browser, title, help);
continue;
case 'o':
annotate_opts.use_offset = !annotate_opts.use_offset;
@@ -975,7 +1037,7 @@ show_sup_ins:
continue;
}
case 'P':
- map_symbol__annotation_dump(ms, evsel);
+ map_symbol__annotation_dump(ms, evsel, browser->he);
continue;
case 't':
if (symbol_conf.show_total_period) {
@@ -998,7 +1060,7 @@ show_sup_ins:
case 'b':
switch_percent_type(&annotate_opts, key == 'b');
annotate__scnprintf_title(hists, title, sizeof(title));
- annotate_browser__show(&browser->b, title, help);
+ annotate_browser__show(browser, title, help);
continue;
case 'B':
if (br_cntr_text)
@@ -1011,6 +1073,17 @@ show_sup_ins:
case 'f':
annotation__toggle_full_addr(notes, ms);
continue;
+ case 'T':
+ annotate_opts.code_with_type ^= 1;
+ if (browser->dbg == NULL)
+ browser->dbg = dso__debuginfo(map__dso(ms->map));
+ if (browser->type_hash == NULL) {
+ browser->type_hash = hashmap__new(type_hash, type_equal,
+ /*ctx=*/NULL);
+ }
+ annotate_browser__show(browser, title, help);
+ annotate_browser__debuginfo_warning(browser);
+ continue;
case K_LEFT:
case '<':
case '>':
@@ -1032,12 +1105,6 @@ out:
return key;
}
-int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
- struct hist_browser_timer *hbt)
-{
- return symbol__tui_annotate(ms, evsel, hbt);
-}
-
int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
struct hist_browser_timer *hbt)
{
@@ -1046,11 +1113,12 @@ int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
SLang_init_tty(0, 0, 0);
SLtty_set_suspend_state(true);
- return map_symbol__tui_annotate(&he->ms, evsel, hbt);
+ return __hist_entry__tui_annotate(he, &he->ms, evsel, hbt);
}
-int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
- struct hist_browser_timer *hbt)
+int __hist_entry__tui_annotate(struct hist_entry *he, struct map_symbol *ms,
+ struct evsel *evsel,
+ struct hist_browser_timer *hbt)
{
struct symbol *sym = ms->sym;
struct annotation *notes = symbol__annotation(sym);
@@ -1064,6 +1132,8 @@ int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
.priv = ms,
.use_navkeypressed = true,
},
+ .he = he,
+ .evsel = evsel,
};
struct dso *dso;
int ret = -1, err;
@@ -1093,8 +1163,23 @@ int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
}
}
+ /* Copy necessary information when it's called from perf top */
+ if (hbt != NULL && he != &annotate_he) {
+ annotate_he.hists = he->hists;
+ annotate_he.thread = thread__get(he->thread);
+ annotate_he.cpumode = he->cpumode;
+ map_symbol__copy(&annotate_he.ms, ms);
+
+ browser.he = &annotate_he;
+ }
+
ui_helpline__push("Press ESC to exit");
+ if (annotate_opts.code_with_type) {
+ browser.dbg = dso__debuginfo(dso);
+ browser.type_hash = hashmap__new(type_hash, type_equal, /*ctx=*/NULL);
+ }
+
browser.b.width = notes->src->widths.max_line_len;
browser.b.nr_entries = notes->src->nr_entries;
browser.b.entries = &notes->src->source;
@@ -1105,8 +1190,24 @@ int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
ret = annotate_browser__run(&browser, evsel, hbt);
+ debuginfo__delete(browser.dbg);
+
+ if (!IS_ERR_OR_NULL(browser.type_hash)) {
+ struct hashmap_entry *cur;
+ size_t bkt;
+
+ hashmap__for_each_entry(browser.type_hash, cur, bkt)
+ zfree(&cur->pvalue);
+ hashmap__free(browser.type_hash);
+ }
+
if (not_annotated && !notes->src->tried_source)
annotated_source__purge(notes->src);
+ if (hbt != NULL && he != &annotate_he) {
+ thread__zput(annotate_he.thread);
+ map_symbol__exit(&annotate_he.ms);
+ }
+
return ret;
}
generated by cgit (git 2.34.1) at 2025-10-09 20:52:43 +0000