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-rw-r--r--kernel/trace/trace_hw_branches.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c
index e56df2c..372b47a 100644
--- a/kernel/trace/trace_hw_branches.c
+++ b/kernel/trace/trace_hw_branches.c
@@ -274,6 +274,11 @@ static void trace_bts_prepare(struct trace_iterator *iter)
mutex_unlock(&bts_tracer_mutex);
}
+static void trace_bts_close(struct trace_iterator *iter)
+{
+ tracing_reset_online_cpus(iter->tr);
+}
+
void trace_hw_branch_oops(void)
{
mutex_lock(&bts_tracer_mutex);
@@ -292,7 +297,8 @@ struct tracer bts_tracer __read_mostly =
.print_line = bts_trace_print_line,
.start = bts_trace_start,
.stop = bts_trace_stop,
- .open = trace_bts_prepare
+ .open = trace_bts_prepare,
+ .close = trace_bts_close
};
__init static int init_bts_trace(void)
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