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On Monday 21 August 2006 09:35, Hans-Werner Hilse wrote: |
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> Hi, |
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> |
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> On Sun, 20 Aug 2006 22:01:24 -0400 Jerry McBride |
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> |
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> <mcbrides9@×××××××.net> wrote: |
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> > Would some kind soul save me a bit of research time? Which of the two |
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> > alternative init schemes are faster, initng or runit? |
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> |
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> That most likely doesn't depend on the init process. Most time is |
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> consumed by the numerous (re-)starts of /bin/sh, i.e. bash in most |
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> cases, through all the init scripts. |
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> |
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> If you're about to play with an embedded device like machine and boot |
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> time really matters, I'd suggest writing the system setup tasks (rcS) |
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> in pure C. If you want to save a few shell startups, you might as well |
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> use /etc/inittab and sysvinit. Sysvinit, initng, runit or minit (which |
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> I like best) doesn't really matter for timing. That time is wasted in |
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> other places. |
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> |
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> For a VDR (digital PVR) machine, I'm using busybox' reduced sysvinit |
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> clone. Works like a charm, from boot till VDR running it's about 30sec. |
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> You might get a few more seconds for reimplementing system setup in |
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> pure C, as suggested. AFAIK, e.g. the Linksys Linux firmware does that. |
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> You might consider using their program as a template.. |
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> |
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We've settled upon initng and fcache. Between the two, I can boot a "fully |
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loaded" laptop in under 13 seconds. That's pretty impressive. |
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Thanks for the tips and info. |
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Cheers... Jerry. |
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-- |
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