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