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Rivermax Linux性能调优指南

...to open cpu_dma_latency: error %s", strerror(errno));return fd;}write(fd, &lat, sizeof(lat));return fd}disable pause framesethtool -A [interface] rx off tx offCPU Frequency检查CPU的最大可用频率（有用的命令：cpupower frequency-info，lshw，lscpu）监视CPU的活动，并检查...

ib_send_bw

...ex=<pkey index> PKey index to use for QP --report-both Report RX & TX results separately on Bidirectinal BW tests --report_gbits Report Max/Average BW of test in Gbit/sec (instead of MB/sec) --report-per-port Report BW data on both ports when running Dualport and Duration mode ...

AD_DS1621与12864液晶

...3,0x08,0x64,0x62,0x00,0x00,//% 0x00,0x36,0x49,0x55,0x22,0x50,0x00,0x00,//& 0x00,0x14,0x08,0x3e,0x08,0x14,0x00,0x00,//* 0x00,0x08,0x08,0x3e,0x08,0x08,0x00,0x00,//+ 0x00,0x08,0x08,0x08,0x08,0x08,0x00,0x00,//- 0x00,0x00,0x60,0x60,0x00,0x00,0x00,0x00,//. 0x00,0x20,0x10,0x08,0x04,0x02,0x00,0x00...