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delay when querying /proc/loadavg
- From: m0viefreak <m0viefreak dot cm at googlemail dot com>
- To: Cygwin Mailing List <cygwin at cygwin dot com>
- Date: Mon, 22 Jun 2015 18:14:05 +0200
- Subject: delay when querying /proc/loadavg
- Authentication-results: sourceware.org; auth=none
Hello,
I noticed that there is long delay when getting the content of /proc/ladavg:
$ time cat /proc/loadavg
0.00 0.00 0.00 1/16
cat /proc/loadavg 0.01s user 1.47s system 100% cpu 1.480 total
I am aware that loadavg is not meaningful on cygwin and always returns
"0 0 0", but it is used in many programs and scripts. For example I
noticed it with my .bashrc/.zshrc that I copied from another (native
linux) system.
This slowdown also seems to affect programs like 'top' which takes a
long time to start and behaves very sluggish when navigating due to
updating those values.
Is there a reason it takes that long to react? On every other system
getting the value is instant.
--
m0vie
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