[LITMUS^RT] real-time benchmarks - WCET for Litmus-rt

[jhwzero]

Hi Glenn,

 

Thank you very much for your reply.

It is good way for me to put some loads for the experiments.

 

Regards,

 

Hyunwoo Joe.

 

From: litmus-dev-bounces at lists.litmus-rt.org [mailto:litmus-dev-bounces at lists.litmus-rt.org] On Behalf Of Glenn Elliott
Sent: Thursday, November 07, 2013 11:46 AM
To: litmus-dev at lists.litmus-rt.org
Subject: Re: [LITMUS^RT] real-time benchmarks - WCET for Litmus-rt

 

 

On Nov 6, 2013, at 9:38 PM, jhwzero <jhwzero at cnu.ac.kr> wrote:





Hi

           I am trying some experiments using revised cyclictest for Litmus-rt. But I would like to make more cpu utilization while its running in real-time manner. I am curious If somebody knows ported benchmarks which can control cpu utilization or measure worst case execution time(WCET) instead of cyclictest for Litmus-Rt??   

 

Sincerely,

 

Hyunwoo Joe

 

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If you’re looking to put tightly controlled load on the system, you can take a look at liblitmus’s rtspin application.  You can set up a task that releases X milliseconds of work every Y milliseconds.  The task will run as a real-time task though, so it might not be a good way to create background load unless you’re using the fixed-priority scheduler.

 

-Glenn

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