"Collins, Tom" wrote:
> Hi...
>
> This is my first post, so if this is off topic for this list, please
direct
> me
> to another one that is more appropriate. Thanks
>
> That said, I am wanting to dynamically modify the kernel in specific
places
> to
> implement a custom kernel trace mechanism.
"Collins, Tom" wrote:
[snip]
> I have one more question: My trace code is currently
> implemented as a kernel loadable module. Would I need
> to change that so that it is built as part of the kernel,
> or can I keep it as a loadable module? If I can keep it
> as a module, I would ensure that t
PM
To: Andreas Dilger
Cc: Collins, Tom; [EMAIL PROTECTED]
Subject: Re: Dynamically altering code segments
Dprobes is one mechanism for doing what you want. It works the same way
OS/2 dynamic trace did. Another mecnahism, also available from the dprobes
web page is the GKHI (generalised kernel
er <[EMAIL PROTECTED]>
To: "Collins, Tom" <[EMAIL PROTECTED]>
cc: [EMAIL PROTECTED]
Subject: Re: Dynamically altering code segments
Tom Collins writes:
> I am wanting to dynamically modify the kernel in specific places to
> implement a custom kernel trace mechanism
Tom Collins writes:
> I am wanting to dynamically modify the kernel in specific places to
> implement a custom kernel trace mechanism. The general idea is that,
> when the "trace" is off, there are NOP instruction sequences at various
> places in the kernel. When the "trace" is turned on, those
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