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OMAPL138B-EP: sys/bios系统输出缓存区怎么调大?

Part Number: OMAPL138B-EP
Other Parts Discussed in Thread: OMAP-L138

我使用命令:cat /sys/kernel/debug/remoteproc/remoteproc0/trace0 查看DSP输出的信息,如果输出信息非常多的话,后面的信息总是把前面的覆盖了,非常不方便。怎么能把这个缓冲区调大,我试了好几个地方都不好使。