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 - 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.		  * 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.

Translation(s): English - Español ~

(!) Discussion

sysstat 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.