Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tui: Fix last use_browser problem related to .perfconfig
  perf symbols: Add the build id cache to the vmlinux path
  perf tui: Reset use_browser if stdout is not a tty
  ring-buffer: Move zeroing out excess in page to ring buffer code
  ring-buffer: Reset "real_end" when page is filled

4 files changed, 26 insertions, 6 deletions

diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index dd824cf3b628..6cddff2bc970 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -22,7 +22,7 @@ int eprintf(int level, const char *fmt, ...)
 
 	if (verbose >= level) {
 		va_start(args, fmt);
-		if (use_browser)
+		if (use_browser > 0)
 			ret = browser__show_help(fmt, args);
 		else
 			ret = vfprintf(stderr, fmt, args);
diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index d54c540f49db..cf182ca132fe 100644
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -1139,6 +1139,7 @@ void setup_browser(void)
 	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
 
 	if (!isatty(1) || !use_browser || dump_trace) {
+		use_browser = 0;
 		setup_pager();
 		return;
 	}
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index aaa51ba147df..7fd6b151feb5 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1695,9 +1695,20 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map,
 			   symbol_filter_t filter)
 {
 	int i, err = 0;
+	char *filename;
 
 	pr_debug("Looking at the vmlinux_path (%d entries long)\n",
-		 vmlinux_path__nr_entries);
+		 vmlinux_path__nr_entries + 1);
+
+	filename = dso__build_id_filename(self, NULL, 0);
+	if (filename != NULL) {
+		err = dso__load_vmlinux(self, map, filename, filter);
+		if (err > 0) {
+			dso__set_long_name(self, filename);
+			goto out;
+		}
+		free(filename);
+	}
 
 	for (i = 0; i < vmlinux_path__nr_entries; ++i) {
 		err = dso__load_vmlinux(self, map, vmlinux_path[i], filter);
@@ -1706,7 +1717,7 @@ int dso__load_vmlinux_path(struct dso *self, struct map *map,
 			break;
 		}
 	}
-
+out:
 	return err;
 }
 
@@ -2102,13 +2113,21 @@ out_fail:
 	return -1;
 }
 
-size_t vmlinux_path__fprintf(FILE *fp)
+size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp)
 {
 	int i;
 	size_t printed = 0;
+	struct dso *kdso = self->vmlinux_maps[MAP__FUNCTION]->dso;
+
+	if (kdso->has_build_id) {
+		char filename[PATH_MAX];
+		if (dso__build_id_filename(kdso, filename, sizeof(filename)))
+			printed += fprintf(fp, "[0] %s\n", filename);
+	}
 
 	for (i = 0; i < vmlinux_path__nr_entries; ++i)
-		printed += fprintf(fp, "[%d] %s\n", i, vmlinux_path[i]);
+		printed += fprintf(fp, "[%d] %s\n",
+				   i + kdso->has_build_id, vmlinux_path[i]);
 
 	return printed;
 }
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 5d25b5eb1456..5e02d2c17154 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -216,6 +216,6 @@ int machines__create_guest_kernel_maps(struct rb_root *self);
 int symbol__init(void);
 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
 
-size_t vmlinux_path__fprintf(FILE *fp);
+size_t machine__fprintf_vmlinux_path(struct machine *self, FILE *fp);
 
 #endif /* __PERF_SYMBOL */