两种方法：
1.system showprocess （类似Linux下top命令）
2.system information
操作演示：
login as: superman superman@192.168.1.254‘s password: FireWall# system showprocess top - 13:23:14 up 171 days, 18:58, 0 users, load average: 0.00, 0.03, 0.00 Tasks: 101 total, 1 running, 100 sleeping, 0 stopped, 0 zombie Cpu(s): 0.1%us, 0.2%sy, 0.0%ni, 99.1%id, 0.0%wa, 0.0%hi, 0.7%si, 0.0%st Mem: 3630320k total, 356344k used, 3273976k free, 932k buffers Swap: 0k total, 0k used, 0k free, 106152k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 13099 root 20 0 4612 1784 568 S 2 0.0 0:24.76 dns_tproxy 1 root 20 0 2736 564 480 S 0 0.0 0:01.81 init 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0 4 root 15 -5 0 0 0 S 0 0.0 4:40.67 ksoftirqd/0 5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0 6 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1 7 root 15 -5 0 0 0 S 0 0.0 1:48.75 ksoftirqd/1 8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1 9 root RT -5 0 0 0 S 0 0.0 0:00.03 migration/2 10 root 15 -5 0 0 0 S 0 0.0 1:49.94 ksoftirqd/2 11 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/2 15 root 15 -5 0 0 0 S 0 0.0 0:09.92 events/0 16 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/1 17 root 15 -5 0 0 0 S 0 0.0 0:00.00 events/2 19 root 15 -5 0 0 0 S 0 0.0 0:00.14 khelper 58 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/0 FireWall# system information Physical Memory Information: Total 3630320 KB Free‘s ratio 95.1% CPU Load Information:(4 cpus) cpu0: User 0.0% System 0.2% Nice 0.0% Si 3.5% Hi 0.0% Total Used 3.7% Idle 96.3% cpu1: User 0.0% System 0.0% Nice 0.0% Si 0.0% Hi 0.0% Total Used 0.0% Idle 100.0% cpu2: User 0.0% System 0.0% Nice 0.0% Si 0.0% Hi 0.0% Total Used 0.0% Idle 100.0% cpu(fast)3: User 0.0% System 6.1% Nice 0.0% Si 0.0% Hi 0.0% Total Used 6.1% Idle 93.9% Session Numbers Information: Totalnum= 17415 Speed(cps)= 365
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