在perf命令监控下系统性能时，报错“Too many events are opened.”
linux:/mnt/test # perf stat -p 31224 -d
Error:
Too many events are opened.
Try again after reducing the number of events.
解决办法：
修改进程最大打开文件数量
linux:/mnt/test # ulimit -n 65536
在perf命令监控下系统性能时，报错“Too many events are opened.”
linux:/mnt/test # perf stat -p 31224 -d
Error:
Too many events are opened.
Try again after reducing the number of events.
解决办法：
修改进程最大打开文件数量
linux:/mnt/test # ulimit -n 65536
