The sysstat package contains the sar, sadf, iostat, mpstat, and pidstat commands for Linux. The sar command collects and reports system activity information. The statistics reported by sar concern I/O transfer rates, paging activity, process-related activites, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities, and TTY statistics, among others. The sadf command may be used to display data collected by sar in various formats. The iostat command reports CPU statistics and I/O statistics for tty devices and disks. The pidstat command reports statistics for Linux processes. The mpstat command reports global and per-processor statistics.
License: GNU General Public License (GPL)
Changes:
This version takes account of all memory zone
types when calculating pgscank, pgscand, and
pgsteal displayed by sar -B. An XML Schema was
added. NLS was updated, adding Dutch, Brazilian
Portuguese, Vietnamese, and Kirghiz translations.
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