perf annotate: Move the default annotate options to the library

One more thing that goes from the TUI code to be used more widely,
for instance it'll affect the default options used by:

  perf annotate --stdio2

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-0nsz0dm0akdbo30vgja2a10e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-annotate.c

@@ -572,6 +572,8 @@ int cmd_annotate(int argc, const char **argv)
 	if (ret < 0)
 		goto out_delete;
 
+	annotation_config__init();
+
 	symbol_conf.try_vmlinux_path = true;
 
 	ret = symbol__init(&annotate.session->header.env);

tools/perf/builtin-report.c

@@ -1340,6 +1340,7 @@ repeat:
 			symbol_conf.priv_size += sizeof(u32);
 			symbol_conf.sort_by_name = true;
 		}
+		annotation_config__init();
 	}
 
 	if (symbol__init(&session->header.env) < 0)

tools/perf/builtin-top.c

@@ -1493,6 +1493,8 @@ int cmd_top(int argc, const char **argv)
 	if (status < 0)
 		goto out_delete_evlist;
 
+	annotation_config__init();
+
 	symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
 	if (symbol__init(NULL) < 0)
 		return -1;

tools/perf/ui/browser.c

@@ -784,6 +784,4 @@ void ui_browser__init(void)
 		struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
 		sltt_set_color(c->colorset, c->name, c->fg, c->bg);
 	}
-
-	annotate_browser__init();
 }

tools/perf/ui/browser.h

@@ -79,5 +79,4 @@ void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int wh
 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser);
 
 void ui_browser__init(void);
-void annotate_browser__init(void);
 #endif /* _PERF_UI_BROWSER_H_ */

tools/perf/ui/browsers/annotate.c

@@ -9,7 +9,6 @@
 #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>
@@ -22,11 +21,6 @@ struct disasm_line_samples {
 	struct sym_hist_entry he;
 };
 
-static struct annotation_options annotate_browser__opts = {
-	.use_offset	= true,
-	.jump_arrows	= true,
-};
-
 struct arch;
 
 struct annotate_browser {
@@ -773,12 +767,6 @@ out:
 int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel,
 			     struct hist_browser_timer *hbt)
 {
-	/* Set default value for show_total_period and show_nr_samples  */
-	annotate_browser__opts.show_total_period =
-		symbol_conf.show_total_period;
-	annotate_browser__opts.show_nr_samples =
-		symbol_conf.show_nr_samples;
-
 	return symbol__tui_annotate(ms->sym, ms->map, evsel, hbt);
 }
 
@@ -819,7 +807,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map,
 	if (map->dso->annotate_warned)
 		return -1;
 
-	err = symbol__annotate2(sym, map, evsel, &annotate_browser__opts, &browser.arch);
+	err = symbol__annotate2(sym, map, evsel, &annotation__default_options, &browser.arch);
 	if (err) {
 		char msg[BUFSIZ];
 		symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
@@ -845,56 +833,3 @@ out_free_offsets:
 	zfree(&notes->offsets);
 	return ret;
 }
-
-#define ANNOTATE_CFG(n) \
-	{ .name = #n, .value = &annotate_browser__opts.n, }
-
-/*
- * Keep the entries sorted, they are bsearch'ed
- */
-static struct annotate_config {
-	const char *name;
-	bool *value;
-} annotate__configs[] = {
-	ANNOTATE_CFG(hide_src_code),
-	ANNOTATE_CFG(jump_arrows),
-	ANNOTATE_CFG(show_linenr),
-	ANNOTATE_CFG(show_nr_jumps),
-	ANNOTATE_CFG(show_nr_samples),
-	ANNOTATE_CFG(show_total_period),
-	ANNOTATE_CFG(use_offset),
-};
-
-#undef ANNOTATE_CFG
-
-static int annotate_config__cmp(const void *name, const void *cfgp)
-{
-	const struct annotate_config *cfg = cfgp;
-
-	return strcmp(name, cfg->name);
-}
-
-static int annotate__config(const char *var, const char *value,
-			    void *data __maybe_unused)
-{
-	struct annotate_config *cfg;
-	const char *name;
-
-	if (!strstarts(var, "annotate."))
-		return 0;
-
-	name = var + 9;
-	cfg = bsearch(name, annotate__configs, ARRAY_SIZE(annotate__configs),
-		      sizeof(struct annotate_config), annotate_config__cmp);
-
-	if (cfg == NULL)
-		ui__warning("%s variable unknown, ignoring...", var);
-	else
-		*cfg->value = perf_config_bool(name, value);
-	return 0;
-}
-
-void annotate_browser__init(void)
-{
-	perf_config(annotate__config, NULL);
-}

tools/perf/util/annotate.c

@@ -14,6 +14,7 @@
 #include "sort.h"
 #include "build-id.h"
 #include "color.h"
+#include "config.h"
 #include "cache.h"
 #include "symbol.h"
 #include "debug.h"
@@ -41,6 +42,11 @@
 
 #include "sane_ctype.h"
 
+struct annotation_options annotation__default_options = {
+	.use_offset     = true,
+	.jump_arrows    = true,
+};
+
 const char 	*disassembler_style;
 const char	*objdump_path;
 static regex_t	 file_lineno;
@@ -2500,3 +2506,59 @@ out_free_offsets:
 	zfree(&notes->offsets);
 	return -1;
 }
+
+#define ANNOTATION__CFG(n) \
+	{ .name = #n, .value = &annotation__default_options.n, }
+
+/*
+ * Keep the entries sorted, they are bsearch'ed
+ */
+static struct annotation_config {
+	const char *name;
+	bool *value;
+} annotation__configs[] = {
+	ANNOTATION__CFG(hide_src_code),
+	ANNOTATION__CFG(jump_arrows),
+	ANNOTATION__CFG(show_linenr),
+	ANNOTATION__CFG(show_nr_jumps),
+	ANNOTATION__CFG(show_nr_samples),
+	ANNOTATION__CFG(show_total_period),
+	ANNOTATION__CFG(use_offset),
+};
+
+#undef ANNOTATION__CFG
+
+static int annotation_config__cmp(const void *name, const void *cfgp)
+{
+	const struct annotation_config *cfg = cfgp;
+
+	return strcmp(name, cfg->name);
+}
+
+static int annotation__config(const char *var, const char *value,
+			    void *data __maybe_unused)
+{
+	struct annotation_config *cfg;
+	const char *name;
+
+	if (!strstarts(var, "annotate."))
+		return 0;
+
+	name = var + 9;
+	cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs),
+		      sizeof(struct annotation_config), annotation_config__cmp);
+
+	if (cfg == NULL)
+		pr_debug("%s variable unknown, ignoring...", var);
+	else
+		*cfg->value = perf_config_bool(name, value);
+	return 0;
+}
+
+void annotation_config__init(void)
+{
+	perf_config(annotation__config, NULL);
+
+	annotation__default_options.show_total_period = symbol_conf.show_total_period;
+	annotation__default_options.show_nr_samples   = symbol_conf.show_nr_samples;
+}

tools/perf/util/annotate.h

@@ -71,6 +71,8 @@ struct annotation_options {
 	     show_total_period;
 };
 
+extern struct annotation_options annotation__default_options;
+
 struct annotation;
 
 struct sym_hist_entry {
@@ -313,4 +315,6 @@ static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused,
 
 extern const char	*disassembler_style;
 
+void annotation_config__init(void);
+
 #endif	/* __PERF_ANNOTATE_H */