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-rw-r--r--tools/perf/util/thread.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index a9df7f2c6dc9..2b7b2d91c016 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -7,6 +7,7 @@
#include "util.h"
#include "debug.h"
#include "comm.h"
+#include "unwind.h"
int thread__init_map_groups(struct thread *thread, struct machine *machine)
{
@@ -37,6 +38,9 @@ struct thread *thread__new(pid_t pid, pid_t tid)
thread->cpu = -1;
INIT_LIST_HEAD(&thread->comm_list);
+ if (unwind__prepare_access(thread) < 0)
+ goto err_thread;
+
comm_str = malloc(32);
if (!comm_str)
goto err_thread;
@@ -48,6 +52,7 @@ struct thread *thread__new(pid_t pid, pid_t tid)
goto err_thread;
list_add(&comm->list, &thread->comm_list);
+
}
return thread;
@@ -69,6 +74,7 @@ void thread__delete(struct thread *thread)
list_del(&comm->list);
comm__free(comm);
}
+ unwind__finish_access(thread);
free(thread);
}