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armclang license checking takes 4 seconds

chotting

armclang license checking takes 4 seconds


I'm using armclang with floating license on WSL(Windows Subsystem for Linux)

All of arm tools run 4~5 seconds(armlink, armasm, armclang...)

$ time echo | /opt/toolchains/ARM-DS5/6.9/bin/armclang --version
Product: ARM Compiler 6.9 Ultimate
Component: ARM Compiler 6.9
Tool: armclang [5ced1d00]

Target: unspecified-arm-none-unspecified

real 0m4.070s
user 0m0.010s
sys 0m0.011s

What should I do? I dumped pcap log from my WSL, first 10 packets tranfer/receive between WSL and license sever without delay, and no packet found for 4 seconds. and continue transfering some packets.

The IP address starting from 172 is mine, 12 is license server address.