atop with a simulated high ICMP load
PRC | sys 0.22s | user 0.01s | | | #proc 158 | #zombie 0 | clones 0 | | | #exit 0 |
CPU | sys 1% | user 0% | irq 131% | | idle 668% | | wait 0% | | steal 0% | guest 0% |
cpu | sys 0% | user 0% | irq 80% | | idle 20% | | cpu007 w 0% | | steal 0% | guest 0% |
cpu | sys 0% | user 0% | irq 52% | | idle 48% | | cpu006 w 0% | | steal 0% | guest 0% |
cpu | sys 1% | user 0% | irq 0% | | idle 99% | | cpu004 w 0% | | steal 0% | guest 0% |
cpu | sys 0% | user 0% | irq 0% | | idle 100% | | cpu000 w 0% | | steal 0% | guest 0% |
CPL | avg1 0.07 | avg5 0.10 | | avg15 0.07 | | csw 3209 | intr 65623 | | | numcpu 8 |
MEM | tot 5.8G | free 5.4G | cache 185.4M | dirty 0.0M | buff 91.2M | slab 33.8M | | | | |
SWP | tot 2.2G | free 2.2G | | | | | | | vmcom 136.4M | vmlim 5.1G |
NET | transport | tcpi 3 | tcpo 3 | udpi 0 | udpo 0 | tcpao 0 | tcppo 0 | tcprs 0 | tcpie 0 | udpip 0 |
NET | network | ipi 438568 | ipo 438568 | ipfrw 0 | deliv 438569 | | | | icmpi 438565 | icmpo 438565 |
NET | eth0 70% | pcki 438531 | pcko 438566 | si 70 Mbps | so 50 Mbps | coll 0 | erri 0 | erro 0 | drpi 0 | drpo 0 |
PID RUID EUID THR SYSCPU USRCPU VGROW RGROW RDDSK WRDSK ST EXC S CPUNR CPU CMD 1/1
24 root root 1 0.18s 0.00s 0K 0K 0K 0K — – S 7 6% ksoftirqd/7
4314 root root 1 0.01s 0.01s 0K 0K 0K 0K — – S 0 1% atop
3727 root root 1 0.02s 0.00s 0K 0K 0K 0K — – S 7 1% kondemand/7
7825 root root 1 0.01s 0.00s 0K 0K 0K 0K — – R 4 0% atop
7135 root root 1 0.00s 0.00s 0K 0K 0K 0K — – S 7 0% sshd
This was created with several `ping -s 1 -q -f $IP` commands across several systems. The CPU is :
Intel(R) Xeon(R) CPU W3530 @ 2.80GHz
What can I say , I am impressed ! I am going to try and max it out and see what it can do all out! This is a HUGE jump from our old P4 based firewall that barfed at 80-100K pps inbound!