Messages in this thread | | | Date | Sat, 6 Dec 2008 21:48:40 -0800 | From | Greg KH <> | Subject | Re: [rfc] [patch] hook tracer to dynamic debug |
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On Fri, Dec 05, 2008 at 02:39:28PM -0500, Jason Baron wrote: > hi, > > Currently, the dynamic debug framework uses 'printk' for output. Here, > i've hooked the backend of the dynamic debug framework to the tracing > framework. This allows the dynamic debug output to be seaprated from the > system log, and allows for higher performance.
Is this really an issue most of the time?
I know logs can get full, but this seems like a bit of an overkill :)
> I've implemented it as a compile time option, but a user might want to > be able to toggle b/w 'printk' and the tracer at run-time...other > ideas? Patch is against the -tip tree...
It would have to be a run-time option if you want any distro to ever be able to enable this in their kernels.
thanks,
greg k-h
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