【OLK-5.10】arm64 CI ；kmemleak in graph_trace_open

【严重程度】一般
【特性】调测/trace
【重现类型】无规律重现
【定位分析】设置function_graph tracer后，打开trace文件，开始读的时候如果正好tracer被切换成nop，则关闭文件时不会释放内存导致泄露。

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