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/