Messages in this thread | | | Date | Fri, 15 Sep 2006 16:26:40 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [PATCH 0/11] LTTng-core (basic tracing infrastructure) 0.5.108 |
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Hi,
* Alan Cox (alan@lxorguk.ukuu.org.uk) wrote: > In addition ideally we want a mechanism that is also sufficient that > printk can be mangled into so that you can pull all the printk text > strings _out_ of the kernel and into the debug traces for embedded work. > > [ie you want printk("Oh dear %s exploded.\n", foo->bar); to end up with > "Oh dear %s exploded.\n" out of kernel and in kernel > > tracepoint_printk(foo->bar); >
Good idea, trivial to implement on top of LTTng. When seeing printk's reentrancy limitations, I have though about doing it a couple of times.
Mathieu
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