sysstat工具集包含了很多工具集，如sar等，安装过程如下。

root@hanyw:~# apt-get install sysstatReading package lists... DoneBuilding dependency tree... DoneReading state information... DoneSuggested packages:  isagThe following NEW packages will be installed:  sysstat0 upgraded, 1 newly installed, 0 to remove and 29 not upgraded.Need to get 487 kB of archives.After this operation, 1,516 kB of additional disk space will be used.Get:1  jammy/main amd64 sysstat amd64 12.5.2-2build2 [487 kB]Fetched 487 kB in 4s (138 kB/s)  Preconfiguring packages ...Selecting previously unselected package sysstat.(Reading database ... 124960 files and directories currently installed.)Preparing to unpack .../sysstat_12.5.2-2build2_amd64.deb ...Unpacking sysstat (12.5.2-2build2) ...Setting up sysstat (12.5.2-2build2) ...Creating config file /etc/default/sysstat with new versionupdate-alternatives: using /usr/bin/sar.sysstat to provide /usr/bin/sar (sar) in auto modeCreated symlink /etc/systemd/system/sysstat.service.wants/sysstat-collect.timer → /lib/systemd/system/sysstat-collect.timer.Created symlink /etc/systemd/system/sysstat.service.wants/sysstat-summary.timer → /lib/systemd/system/sysstat-summary.timer.Created symlink /etc/systemd/system/multi-user.target.wants/sysstat.service → /lib/systemd/system/sysstat.service.Processing triggers for man-db (2.10.2-1) ...Scanning processes...                                                                                                     Scanning linux images...                                                                                                  Running kernel seems to be up-to-date.No services need to be restarted.No containers need to be restarted.No user sessions are running outdated binaries.No VM guests are running outdated hypervisor (qemu) binaries on this host.

查看软件包信息

root@hanyw:~# dpkg -l |grep sysstatii  sysstat                               12.5.2-2build2                          amd64        system performance tools for Linux

查看sysstat软件包详细信息

root@hanyw:~# apt-cache show sysstatPackage: sysstatArchitecture: amd64Version: 12.5.2-2build2Priority: optionalSection: adminOrigin: UbuntuMaintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>Original-Maintainer: Robert Luberda <robert@debian.org>Bugs: : 1480Depends: lsb-base (>= 3.0-6), ucf (>= 2.003), xz-utils, debconf (>= 0.5) | debconf-2.0, libc6 (>= 2.34), libsensors5 (>= 1:3.5.0)Recommends: systemd | cron | cron-daemonSuggests: isagFilename: pool/main/s/sysstat/sysstat_12.5.2-2build2_amd64.debSize: 486796MD5sum: bf139268cad823c482bfa09028ae724bSHA1: 6f32b627e7d50a76fe35f2b898d41bf5c58906b2SHA256: ee30417a4c76cc112054a81315a0949dbec776366bb9068c91a7203dff30e0c6SHA512: 037c60622c7222abb379da99667d4127c981c8effa16f8513b4ff4872e8bb2d7e0c630c14c5ea80cae1c2ceb92743618cd240ab8d557babe99a97c9f42f3ae1bHomepage: : system performance tools for Linux The sysstat package contains the following system performance tools:  - sar: collects and reports system activity information;  - iostat: reports CPU utilization and disk I/O statistics;  - tapestat: reports statistics for tapes connected to the system;  - mpstat: reports global and per-processor statistics;  - pidstat: reports statistics for Linux tasks (processes);  - sadf: displays data collected by sar in various formats;  - cifsiostat: reports I/O statistics for CIFS filesystems. . The statistics reported by sar deal with I/O transfer rates, paging activity, process-related activities, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities and TTY statistics, among others. Both UP and SMP machines are fully supported.Description-md5: 9ada7023f201e412303d7867f5bcf2beTask: postgresql-server

如下图所示，sysstat软件集中包含了如下的软件包。

sysstat软件包中包含的工具集