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Re: Bash / cygwin process spawning (?) performance very slow
- From: litter at null dot net
- To: litter at null dot net, cygwin at cygwin dot com
- Date: Thu, 24 Sep 2015 11:57:47 +0200
- Subject: Re: Bash / cygwin process spawning (?) performance very slow
- Authentication-results: sourceware.org; auth=none
> On 23/09/2015 17:17, litter@null.net wrote:
>>>> for a file of 167 lines. Process Explorer showed a CPU load of 20% on bash.exe, which was almost completely Kernel time.
>>>> Is such high Kernel load normal?
>>>
>>> may be. forks are time consuming and your command is spending all the
>>> time in fork
>>
>> So why is it spending all its time in fork? That is the question.
>
> https://cygwin.com/faq.html#faq.api.fork
That doesn't answer my question on Kernel load. Why is it fast on your machine, and slow on mine?
How can I find the culprit?
>>
>>> In addition, I suspect your Antivirus is further slowing down the things.
>>
>> I don't run an Antivirus program
>
> than some thing else is crashing your performance
> https://cygwin.com/faq/faq.html#faq.using.bloda
Obviously something is. The FAQ entry does not mention performance, but real failures.
How to further diagnose this?
Best regards,
Paul
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