transferratesareshownin512-byteblocksinsteadofthedefault1Kblocks.EXAMPLESiostatDisplayasinglehistorysincebo...
Please note that iostat and vmstat are part of the sar utility. You should install sysstat package as explained in oursar(sysstat) article to get iostat and vmstat working. IOSTAT EXAMPLES 1. iostat – Basic example Iostat without any argument displays information about the CPU usage, and I/O...
Examples of "iotop" command in Linux - Monitor disk input/output per process Linux Commands Use Ncdu command to Check disk space usage on Linux Linux 10 Useful fdisk Command Examples on Linux - Manage disk partitions Linux Commands 10 "ps" command examples in Linux - Monitor processes Lin...
fio 有很多测试任务配置文件,在git工程 examples 文件夹中,我们可以使用命令行参数进行直接配置,也可以直接通过配置文件配置一次测试的内容。 IO状态监控 进行磁盘测试的时候,我们可以使用iostat 等监控工具,查看所有磁盘当前的读写状态 监控磁盘IO命令:iostat –mx 1 Iostat介绍 iostat主要用于监控系统设备的IO负载情况,...
iostat [ -c ] [ -d ] [ -h ] [ -k | -m ] [ -N ] [ -t ] [ -V ] [ -x ] [ -y ] [ -z ] [ -j { ID | LABEL | PATH | UUID | ... } ] [ [ -T ] -g group_name ] [ -p [ device [,...] | ALL ] ] [ device [...] | ALL ] [ interval [ count...
Examples 1.Show the device utilization report for all storage devices (partitions not included) $ iostat -d You can reduce the clutter in the output by adding-z option that will omit devices that have zero activity. To get reports for specific devices by passing the device name as an argume...
examples iostat -d2// 每两秒输出一次报告 iostat -d26// 每两秒输出一次报告 一共输出六次 iostat -x sda sdb26// 为sda 和 sdb 每两秒输出一次拓展报告会 输出6次报告 iostat -p sda // 展示sda和它所有partition的报告
EXAMPLES iostat Display a single history since boot report for all CPU and Devices. iostat -d 2 Display a continuous device report at two second intervals. iostat -d 2 6 Display six reports at two second intervals for all devices.
$ ./examples/link-cp <in-file> <out-file> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 3.1 io_uring-test 这个程序使用 4 个 SQE,从输入文件中读取最多 16KB 数据。 源码及注释 为方便看清主要逻辑,忽略了一些错误处理代码,完整代码见 io_uring-test.c。
EXAMPLES iostat -w 1 da0 da1 cd0 Display statistics for the first two Direct Access devices and the first CDROM device every second ad infinitum. iostat -c 2 Display the statistics for the first four devices in the system twice, with a one second display interval. iostat -t da -t cd...