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  • 解决linux中Kipmi0进程对CPU使用率很高问题

    kipmi is supposed to run with low priority. When you say it consumes 70-90% of the CPUs, is that constant (does it still consume the processor when they are other tasks in the process queue that should have a larger slice of the CPU time) or the 70%/90% comes when the machine is idle? 
    A second issue to investigate is whether you have pending controller issues (alarms of varying nature that are not resolved) and/or older versions of controller firmware.

    查看服务chkconfig 发现只有近似 ipmievd  服务,估计就是这个,跟网上资料说的ipmi有出入!

    Fix:不需要修复

     代码如下 复制代码
    No fix required. You should ignore increased CPU utilization as it has no impact on actual system performance.

    虽然这是一个利用空余的CPU资源进行一些接口自动调节的任务,但看着占那么多的资源还是怕出意外。

    找到:可以临时降低

     代码如下 复制代码

    echo 100 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us www.111cn.net

    In our system,after set this parameter,the cpu of kipmi0 decreased to 15%.

    确实执行上面命令后,所占CPU单核资源从100%降低到10%

    You can try this.永久性降低

     代码如下 复制代码
    To make the changes persistent you can configure the options for the ipmi_si kernel module.
    Create a file in /etc/modprobe.d/, i.e./etc/modprobe.d/ipmi.conf, and add the following content:
    # Prevent kipmi0 from consuming 100% CPU
    options ipmi_si kipmid_max_busy_us=100
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  • 原文地址:https://www.cnblogs.com/linn/p/4807183.html
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