Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core

2 files changed, 9 insertions, 1 deletions

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index a08e1cbcbbbd..b39f499e575a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -2282,6 +2282,9 @@ static int setup_list(struct strlist **list, const char *list_str,
 
 int symbol__init(void)
 {
+        if (symbol_conf.initialized)
+                return 0;
+
         elf_version(EV_CURRENT);
         if (symbol_conf.sort_by_name)
                 symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) -
@@ -2307,6 +2310,7 @@ int symbol__init(void)
                        symbol_conf.sym_list_str, "symbol") < 0)
                 goto out_free_comm_list;
 
+        symbol_conf.initialized = true;
         return 0;
 
 out_free_dso_list:
@@ -2318,11 +2322,14 @@ out_free_comm_list:
 
 void symbol__exit(void)
 {
+        if (!symbol_conf.initialized)
+                return;
         strlist__delete(symbol_conf.sym_list);
         strlist__delete(symbol_conf.dso_list);
         strlist__delete(symbol_conf.comm_list);
         vmlinux_path__exit();
         symbol_conf.sym_list = symbol_conf.dso_list = symbol_conf.comm_list = NULL;
+        symbol_conf.initialized = false;
 }
 
 int machines__create_kernel_maps(struct rb_root *self, pid_t pid)
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 0a2c460b6d81..038f2201ee09 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -69,7 +69,8 @@ struct symbol_conf {
                         show_nr_samples,
                         use_callchain,
                         exclude_other,
-                        show_cpu_utilization;
+                        show_cpu_utilization,
+                        initialized;
         const char      *vmlinux_name,
                         *source_prefix,
                         *field_sep;