It’s there, not exactly but yeah you will get the utilization details of few intervals as below.
root@PE1_re> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state Master
Election priority Master (default)
DRAM 4071 MB (4096 MB installed)
Memory utilization 27 percent
5 sec CPU utilization:
User 1 percent
Background 0 percent
Kernel 0 percent
Interrupt 4 percent
Idle 95 percent
1 min CPU utilization:
User 1 percent
Background 0 percent
Kernel 1 percent
Interrupt 3 percent
Idle 95 percent
5 min CPU utilization:
User 1 percent
Background 0 percent
Kernel 1 percent
Interrupt 3 percent
Idle 96 percent
15 min CPU utilization:
User 1 percent
Background 0 percent
Kernel 1 percent
Interrupt 3 percent
Idle 96 percent
Model RE-VMX
Start time 2017-12-09 05:37:11 PST
Uptime 40 days, 12 hours, 39 minutes, 10 seconds
Last reboot reason 0x200:normal shutdown
Load averages: 1 minute 5 minute 15 minute
0.00 0.01 0.00
root@PE1_re>