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RobertDavid
Apprentice
Joined: 08 Aug 2005
Posts: 271
Location: Czech Republic
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 Posted: Sat Apr 01, 2006 8:13 pm Post subject: Why no dynticks in 2.6.16 ck based?? |
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Why dinticks disapeard from 2.6.16-CK based sources?? I just downloaded new archck 2.6.16-archck2 and no dinticks menu option there:( (I dont use SMP)
It worked great for me... Lowered the temperature of my CPU -> lowered the fan rpm during idle...
And also in my notebook and there is energy consumption on the first place!!!
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cheater1034
Veteran
Joined: 09 Sep 2004
Posts: 1558
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| Posted: Sat Apr 01, 2006 8:27 pm Post subject: |
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I believe they are broken since 2.6.16-rc6
| con wrote: | | "...Long live dynticks! Something killed it off in 2.6.16-rc6 and I haven't figured out what it is. I don't know if/when I'll be able to debug this..." |
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Belliash
Advocate
Joined: 24 Nov 2004
Posts: 2503
Location: Wroclaw, Poland
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martin.k
Guru
Joined: 28 Nov 2004
Posts: 493
Location: Wylatowo, Polska
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| Posted: Thu Apr 13, 2006 5:50 pm Post subject: |
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| Morpheouss wrote: | | What is dinticks? |
It's not dinticks but dynticks
| Code: | Dynamic Tick Timer for Linux (dyn-tick) makes the HZ dynamic. When
using dyn-tick, the system runs at full HZ during load, and skips
ticks when possible while idle.
This allows extra power saving measures to be taken during the longer
idle periods. On a PC, the HZ can vary between 6Hz during idle and
1000Hz during load.
Dyn-tick was originally implemented for TI's OMAP ARM architecture,
and has been in use in the linux-omap tree since October 2004. |
It was developed by people from Nokia and than... It came to Con Kolivas' attention after I dropped some posts on ck-mailing list.
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candrews
Developer
Joined: 10 Aug 2005
Posts: 162
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| Posted: Tue Apr 18, 2006 2:51 pm Post subject: |
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| Any ideas what happened to dynamic ticks, and why it was dropped? I just searched through the LKML, and can't find out what happened to it - it seems that people just stopped talking about it. The last I could find was that the patch does not work on SMP systems, and that some work was going to be done, but that was in August. |
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iphitus
Apprentice
Joined: 03 Aug 2005
Posts: 226
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| Posted: Wed Apr 19, 2006 5:57 am Post subject: |
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| candrews wrote: | | Any ideas what happened to dynamic ticks, and why it was dropped? I just searched through the LKML, and can't find out what happened to it - it seems that people just stopped talking about it. The last I could find was that the patch does not work on SMP systems, and that some work was going to be done, but that was in August. |
Read the thread
| con wrote: |
"...Long live dynticks! Something killed it off in 2.6.16-rc6 and I haven't figured out what it is. I don't know if/when I'll be able to debug this..."
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