pt-summary
打印出来的信息包括：CPU、内存、硬盘、网卡等信息，还包括文件系统、磁盘调度和队列大小、LVM、RAID、网络链接信息、netstat 的统计，以及前10的负载占用信息和vmstat信息。
[root@781c38071bbd ~]# pt-summary
# Percona Toolkit System Summary Report ######################
Date | 2022-06-23 02:22:52 UTC (local TZ: UTC +0000)
Hostname | 781c38071bbd
Uptime | 22 days, 57 min, 0 users, load average: 0.43, 0.51, 0.41
Platform | Linux
Release | CentOS Linux release 7.9.2009 (Core)
Kernel | 3.10.0-957.el7.x86_64
Architecture | CPU = 64-bit, OS = 64-bit
Threading | NPTL 2.17
SELinux | No SELinux detected
Virtualized | VMWare
# Processor ##################################################
Processors | physical = 1, cores = 4, virtual = 4, hyperthreading = no
Speeds | 4x2199.998
Models | 4xIntel Xeon Processor (Cascadelake)
Caches | 4x16384 KB
# Memory #####################################################
Total | 7.6G
Free | 332.9M
Used | physical = 2.3G, swap allocated = 0.0, swap used = 0.0, virtual = 2.3G
Shared | 431.9M
Buffers | 2.1M
Caches | 5.0G
Dirty | 96 kB
UsedRSS | 878.1M
Swappiness | 30
DirtyPolicy | 30, 10
DirtyStatus | 0, 0
# Mounted Filesystems ########################################
Filesystem Size Used Type Opts Mountpoint
/dev/vda1 144G 30% xfs rw,relatime,attr2,inode64,noquota /etc/hosts
/dev/vda1 144G 30% xfs rw,relatime,attr2,inode64,noquota /etc/hosts
/dev/vda1 144G 30% xfs rw,relatime,attr2,inode64,noquota /etc/hosts
overlay 144G 30% overlay rw,relatime,lowerdir=/var/lib/docker/overlay2/l/J37EJRKARBEGC4RMVSSJ43ETWS:/var/lib/docker/overlay2/l/43QMHPVUM2PBROJW2PWOE2DTDF:/var/lib/docker/overlay2/l/PIL3XSUUJKXAZH36DLCJVKUQ7L:/var/lib/docker/overlay2/l/4O6VBTAKMVPJOJFL6KX3WFD6ZL:/var/lib/docker/overlay2/l/4GMDX4S3VDI2DA7Q2MODQ7DFT4:/var/lib/docker/overlay2/l/X2AFR4LCW5UW3UHH2U6LBJOKZB:/var/lib/docker/overlay2/l/FEYMSNDBRKDTVOOEXO3I45YUJ4:/var/lib/docker/overlay2/l/2PASYDEURHFDKWWHZJWLH6I2SX:/var/lib/docker/overlay2/l/AGMAWV5J5Y2RBPGFIB2NFHYEYF:/var/lib/docker/overlay2/l/3KWTZVHNU65VRR3DAEGPL3YKCC:/var/lib/docker/overlay2/l/RLU4VOTHGGNDOM4ZPHO5DGUI6C:/var/lib/docker/overlay2/l/T5TUW6ZIXBMWTW27Z74LRCRBLE:/var/lib/docker/overlay2/l/QLPXHZ3KXSD2ZPID3AZPLAV7KH:/var/lib/docker/overlay2/l/6HI36M2NJJYQW3OKMAPWPKFHAO,upperdir=/var/lib/docker/overlay2/51583fc356a49c722764b36bbfa72b43f26d6c761b50e2f40713c41beca2eadf/diff,workdir=/var/lib/docker/overlay2/51583fc356a49c722764b36bbfa72b43f26d6c761b50e2f40713c41beca2eadf/work /
shm 64M 0% tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k /dev/shm
tmpfs 3.9G 0% tmpfs rw,nosuid,size=65536k,mode=755 /sys/fs/cgroup
tmpfs 3.9G 0% tmpfs rw,nosuid,nodev,mode=755 /sys/fs/cgroup
tmpfs 3.9G 0% tmpfs rw,nosuid,nodev,relatime,size=797300k,mode=700,uid=42,gid=42 /sys/fs/cgroup
tmpfs 3.9G 0% tmpfs ro,nosuid,nodev,noexec,mode=755 /sys/fs/cgroup
tmpfs 3.9G 1% tmpfs rw,nosuid,size=65536k,mode=755 /run
tmpfs 3.9G 1% tmpfs rw,nosuid,nodev,mode=755 /run
tmpfs 3.9G 1% tmpfs rw,nosuid,nodev,relatime,size=797300k,mode=700,uid=42,gid=42 /run
tmpfs 3.9G 1% tmpfs ro,nosuid,nodev,noexec,mode=755 /run
tmpfs 64M 0% tmpfs rw,nosuid,size=65536k,mode=755 /dev
tmpfs 64M 0% tmpfs rw,nosuid,nodev,mode=755 /dev
tmpfs 64M 0% tmpfs rw,nosuid,nodev,relatime,size=797300k,mode=700,uid=42,gid=42 /dev
tmpfs 64M 0% tmpfs ro,nosuid,nodev,noexec,mode=755 /dev
tmpfs 779M 1% tmpfs rw,nosuid,size=65536k,mode=755 /run/user/42
tmpfs 779M 1% tmpfs rw,nosuid,nodev,mode=755 /run/user/42
tmpfs 779M 1% tmpfs rw,nosuid,nodev,relatime,size=797300k,mode=700,uid=42,gid=42 /run/user/42
tmpfs 779M 1% tmpfs ro,nosuid,nodev,noexec,mode=755 /run/user/42
# Disk Schedulers And Queue Size #############################
sr0 | [deadline] 128
sr1 | [deadline] 128
sr2 | [deadline] 128
vda | [mq-deadline] 256
# Disk Partioning ############################################
Device Type Start End Size
============ ==== ========== ========== ==================
/dev/vda1 Part 12584960 314572766 154617756672
# Kernel Inode State #########################################
dentry-state | 148098 110976 45 0 0 0
file-nr | 11200 0 786252
inode-nr | 85372 8153
# LVM Volumes ################################################
Unable to collect information
# LVM Volume Groups ##########################################
Unable to collect information
# RAID Controller ############################################
Controller | No RAID controller detected
# Network Config #############################################
# Interface Statistics #######################################
interface rx_bytes rx_packets rx_errors tx_bytes tx_packets tx_errors
========= ========= ========== ========== ========== ========== ==========
lo 2000000000 1750000 0 2000000000 1750000 0
eth0@if14 100000000 70000 0 150000000 60000 0
# Network Connections ########################################
Connections from remote IP addresses
172.17.0.3 1
Connections to local IP addresses
172.17.0.2 1
Connections to top 10 local ports
3306 1
States of connections
ESTABLISHED 1
LISTEN 5
# Top Processes ##############################################
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12155 root 20 0 161968 2084 1540 R 6.7 0.0 0:00.01 top
1 root 20 0 190948 3816 2484 S 0.0 0.0 0:13.28 systemd
20 root 20 0 39192 6560 6116 S 0.0 0.1 0:05.81 systemd-j+
32 root 20 0 43892 1960 1300 S 0.0 0.0 0:00.90 systemd-u+
55 rtkit 21 1 198784 1792 1428 S 0.0 0.0 0:22.58 rtkit-dae+
56 root 20 0 292692 6032 3196 S 0.0 0.1 0:00.74 accounts-+
57 dbus 20 0 58908 3028 1832 S 0.0 0.0 0:03.80 dbus-daem+
63 root 20 0 370544 8084 6252 S 0.0 0.1 0:35.30 NetworkMa+
64 root 20 0 523460 6640 5048 S 0.0 0.1 0:04.17 udisksd
# Notable Processes ##########################################
PID OOM COMMAND
147 -17 sshd
# Memory mamagement ##########################################
Transparent huge pages are enabled.
# The End ####################################################
