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sysstat

system performance tools for Linux

Description

The sysstat package contains the following system performance tools:
 - sar: collects and reports system activity information;
 - iostat: reports CPU utilization and disk I/O statistics;
 - tapestat: reports statistics for tapes connected to the system;
 - mpstat: reports global and per-processor statistics;
 - pidstat: reports statistics for Linux tasks (processes);
 - sadf: displays data collected by sar in various formats;
 - cifsiostat: reports I/O statistics for CIFS filesystems.

The statistics reported by sar deal with 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. Both UP and SMP machines are fully supported.

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