Finding Your Raspberry Pi’s System Information

weixin_30838873

于 2016-06-14 18:05:00 发布

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文章标签： raspberry pi 嵌入式

原文链接：http://www.cnblogs.com/weixinforspurs/p/5584964.html

本文介绍了如何通过一系列命令来监控Raspberry Pi的CPU温度、频率及内存使用情况等关键性能指标，同时还提供了查看已启用硬件编解码器的方法。

1 cat /proc/cpuinfo
2 vcgencmd measure_temp
3 cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
4 cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
5 cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
6 vcgencmd measure_clock arm
7 vcgencmd measure_volts core

To see which hardware codecs have been enabled, use “vcgencmd codec_enabled CODECNAME” whereCODECNAME is one of H264, MPG2, WVC1, MPG4, MJPG, or WMV9. For example:

1 vcgencmd codec_enabled H264

To see how the memory is split between the CPU and the GPU use:

vcgencmd get_mem arm && vcgencmd get_mem gpu

see how much free memory is available to the system use:

1 free -o -h

转载于:https://www.cnblogs.com/weixinforspurs/p/5584964.html