config BR2_PACKAGE_SYSSTAT
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bool "sysstat"
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depends on BR2_USE_MMU # fork()
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help
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The sysstat utilities are a collection of performance
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monitoring tools for Linux. These include sar, sadf, mpstat,
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iostat, pidstat and sa tools.
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Some Features :
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* Input / Output and transfer rate statistics (global, per
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device, per partition, per network filesystem and per
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Linux task / PID)
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* CPU statistics (global, per CPU and per Linux task /
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PID), including support for virtualization architectures
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* Memory and swap space utilization statistics
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* Virtual memory, paging and fault statistics
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* Per-task (per-PID) memory and page fault statistics
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* Global CPU and page fault statistics for tasks and all
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their children
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* Process creation activity
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* Interrupt statistics (global, per CPU and per interrupt,
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including potential APIC interrupt sources)
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* Extensive network statistics: network interface activity
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(number of packets and kB received and transmitted per
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second, etc.) including failures from network devices;
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network traffic statistics for IP, TCP, ICMP and UDP
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protocols based on SNMPv2 standards; support for
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IPv6-related protocols.
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* NFS server and client activity
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* Socket statistics
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* Run queue and system load statistics
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* Kernel internal tables utilization statistics
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* System and per Linux task switching activity
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* Swapping statistics
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* TTY device activity
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* Power management statistics
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http://pagesperso-orange.fr/sebastien.godard/
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