kernel日志信息(power limit)

wer21213

日志信息频繁出现Package power limit notification、Core power limit normal
、Package power limit normal、Core power limit notification等

1、版本
cat /etc/redhat-release
CentOS release 6.2 (Final)

2、内核
uname -r
2.6.32-220.el6.x86_64

3、机型
DELL R520机器
  
4、查看kernel日志信息
Jun  1 18:35:53 10.1.1.1 CPU1: Package power limit notification (total events = 102593)
Jun  1 18:35:53 10.1.1.1 CPU2: Package power limit notification (total events = 102775)
Jun  1 18:35:53 10.1.1.1 CPU3: Package power limit notification (total events = 102823)
Jun  1 18:35:53 10.1.1.1 CPU0: Package power limit notification (total events = 102023)
Jun  1 18:35:53 10.1.1.1 CPU2: Core power limit normal
Jun  1 18:35:53 10.1.1.1 CPU1: Core power limit normal
Jun  1 18:35:53 10.1.1.1 CPU0: Core power limit normal
Jun  1 18:35:53 10.1.1.1 CPU3: Core power limit normal
Jun  1 18:35:53 10.1.1.1 CPU1: Package power limit normal
Jun  1 18:35:53 10.1.1.1 CPU0: Package power limit normal
Jun  1 18:35:53 10.1.1.1 CPU3: Package power limit normal
Jun  1 18:35:53 10.1.1.1 CPU2: Package power limit normal
Jun  5 12:35:42 10.1.1.1 CPU0: Core power limit notification (total events = 101473)
Jun  5 12:35:42 10.1.1.1 CPU1: Core power limit notification (total events = 101707)
Jun  5 12:35:42 10.1.1.1 CPU2: Core power limit notification (total events = 101625)
Jun  5 12:35:42 10.1.1.1 CPU3: Core power limit notification (total events = 101444)
Jun  5 12:35:42 10.1.1.1 CPU1: Package power limit notification (total events = 102595)
Jun  5 12:35:42 10.1.1.1 CPU2: Package power limit notification (total events = 102777)
Jun  5 12:35:42 10.1.1.1 CPU3: Package power limit notification (total events = 102825)
Jun  5 12:35:42 10.1.1.1 CPU0: Package power limit notification (total events = 102025)
Jun  5 12:35:42 10.1.1.1 CPU0: Core power limit normal
Jun  5 12:35:42 10.1.1.1 CPU2: Core power limit normal
Jun  5 12:35:42 10.1.1.1 CPU2: Package power limit normal
Jun  5 12:35:42 10.1.1.1 CPU1: Core power limit normal
Jun  5 12:35:42 10.1.1.1 CPU3: Core power limit normal
Jun  5 12:35:42 10.1.1.1 CPU1: Package power limit normal
Jun  5 12:35:42 10.1.1.1 CPU3: Package power limit normal
Jun  5 12:35:42 10.1.1.1 CPU0: Package power limit normal
由于Dell服务器BIOS设置（默认为节能模式）导致服务器性能降低
解决办法可以在bios中或使用dell开源软件omsa修改