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The sysstat package contains the sar, sadf, iostat, nfsiostat, cifsiostat, 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. The nfsiostat command reports I/O statistics for network filesystems. The cifsiostat command reports I/O statistics for CIFS filesystems.

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2012-10-06 16:40
10.1.2

一个新的字段已添加到特区-u 和 mpstat： %gnice （时间花费了运行 niced 的客人）。一个新的字段已添加到特区-： kbdirty （等待获得书面的内存量回磁盘）。舰碰撞的服务管理器已添加支持。Sysstat init 脚本已更新，使其更好地符合 LSB。
标签: Major feature enhancements
A new field has been added to sar -u and mpstat: %gnice (time spent running a niced guest). A new field has been added to sar -r: kbdirty (amount of memory waiting to get written back to disk). Support has been added for the systemd service manager. The sysstat init script has been updated to make it better conform to the LSB.

2012-07-30 08:28
10.1.1

选项-[0-9] + 已添加到特区来显示的很多天前的数据。iostat 和 sar 具有持久性设备名称支持。一个新的选项 (-t) 已添加到 sadf： 此选项告诉 sadf 数据文件创建者而不是 UTC 的本地时间显示时间戳。
标签: Major feature enhancements
Option -[0-9]+ has been added to sar to show the data of that many days ago. iostat and sar have persistent device names support. A new option (-t) has been added to sadf: This option tells sadf to display the timestamps in the local time of the data file creator instead of UTC.

2012-05-17 06:48
10.0.5

选项-g 和-T 已添加到 iostat ；这些选项使用户能够显示设备组的统计信息。南部非洲发展共同体现在会覆盖其标准的每日数据文件时此文件是从过去的一个月。已由 HH-毫米-SS 到 HH:MM:SS sadf 所显示的各种报告中的时间格式。XSD 文档中添加了一个 maxOccurs 指标的时间戳元素。选项-启用收集所有已被添加到配置脚本告诉南共体要收集所有可能的活动，包括可选的。克罗地亚语已添加一个新的翻译文件。
标签: Major feature enhancements, Minor bugfixes
The options -g and -T have been added to iostat; these options enable the user to display statistics for groups of devices. sadc now overwrites its standard daily data file when this file is from a past month. The time format has been changed from HH-MM-SS to HH:MM:SS in the various reports displayed by sadf. A maxOccurs indicator for the timestamp element has been added in the XSD document. The option --enable-collect-all has been added to the configure script to tell sadc to collect all possible activities, including optional ones. A new translation file has been added for Croatian.

2012-03-09 08:33
10.0.4

虚拟设备不再考虑 sar-b 的结果。iostat 现在可以显示目标设备信息，当一个符号链接指定为一个参数。选项 — — 禁用剥离已添加到配置脚本。塞尔维亚文翻译已被添加。
标签: Minor bugfixes, Minor feature enhancements
Virtual devices are no longer taken into account in sar -b results. iostat can now display target device information when a symbolic link is specified as a parameter. The option --disable-stripping has been added to the configure script. A Serbian translation has been added.

2011-11-28 07:03
10.0.3

一个新的输出格式已添加到 sadf： JSON （JavaScript 对象符号）。几个 bug 已修复 sadf XML 输出、 DTD，和 XSD 文档。在随机的系统崩溃时 iostat-N 已得到修复。
标签: Major feature enhancements, Minor bugfixes
A new output format has been added to sadf: JSON (JavaScript Object Notation).
Several bugs have been fixed in sadf XML output, DTD, and XSD documents.
A random crash with iostat -N has been fixed.

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