Re: [ts-7000] Re: sub 10ms sleeps/timers in Linu 2.6.29

[Razvan-Ionut Stoian <>]

Apply Matts' patches (2.6.32) , download the "clockevents"  patches and apply them. (http://groups.yahoo.com/group/ts-7000/attachments/folder/2051772589/item/list).

Unfortunately, there is no 2.6.32 real-time patch, so if you really want this, you have to patch a 2.6.33 vanilla kernel using Matt's patches and then adapt the clockevents patch your kernel version 2.6.33.



--- On Mon, 9/20/10, mailorder_va <> wrote:

From: mailorder_va <>
Subject: [ts-7000] Re: sub 10ms sleeps/timers in Linu 2.6.29
To:
Date: Monday, September 20, 2010, 11:08 AM

 

Thanks! Is this the "linux-2.6.29.1-ts7200_matt-4.tar.gz" file that I need to apply? I could not find anything else that applies to 2.6.29 or that said clockevents.

--- In , Razvan-Ionut Stoian <> wrote:
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> You should apply the "clockevents"à patch to your kernel sources. You can find it in the file section.
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> --- On Mon, 9/20/10, mailorder_va <> wrote:
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> From: mailorder_va <>
> Subject: [ts-7000] sub 10ms sleeps/timers in Linu 2.6.29
> To:
> Date: Monday, September 20, 2010, 10:32 AM
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> I am trying to get sub 10ms time resolution (1 ms or less needed). I compiled 2.6.29 and was able to get it to run on the ts7200. I wrote a simple program which does a usleep(100) for 1000 times and it takes 10 seconds to run (ie usleep resolution is 10ms). I searched and found mention of CONFIG_HIGH_RES_TIMERS - this variable does not seem to be defined in the .config file. The CLOCK_HZ in the .config file seems to be set at 100 and I cannot seem to change it (ie I can change it but Kconfig sets it back to 100). I am probably missing something obvious - just do not know what.
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> Thanks
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