15 lines
1018 B
Markdown
15 lines
1018 B
Markdown
# sysstat
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The sysstat package contains the sar, sadf, mpstat, iostat, pidstat, nfsiostat, cifsiostat and sa tools for Linux.
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The sar command collects and reports system activity information.
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The information collected by sar can be saved in a file in a binary format for future inspection.
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The statistics reported by sar concern I/O transfer rates, paging activity, process-related activities, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities and TTY statistics, among others.
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Both UP and SMP machines are fully supported.
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The sadf command may be used to display data collected by sar in various formats (CSV, XML, etc.).
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The iostat command reports CPU utilization and I/O statistics for disks.
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The mpstat command reports global and per-processor statistics.
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The pidstat command reports statistics for Linux tasks (processes).
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The nfsiostat command reports I/O statistics for network filesystems.
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The cifsiostat command reports I/O statistics for CIFS filesystems.
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