Messages in this thread | | | Date | Fri, 10 Dec 2004 16:26:23 -0800 | From | Andrew Morton <> | Subject | Re: How do klogd and syslogd influence code execution timing? |
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Konstantin Kletschke <lists@ku-gbr.de> wrote: > > It is absolutely _required_ that we start syslogd and klogd before > inserting the storage device.
The difference is that if klogd is running, a printk() will cause a wakeup to be delivered to klogd in release_console_sem(). That will cause the CPU to go into the scheduler code, take and release locks, take more time, etc.
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