Re: [PATCH v3 0/7] Venus dynamic debug

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On Tue, Jun 9, 2020 at 4:23 PM Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> On Tue, 2020-06-09 at 15:21 -0600, jim.cromie@xxxxxxxxx wrote:
> >
> > As Joe noted, there is a lot of ad-hockery to possibly clean up,
> > but I dont grok how these levels should be distinguished from
> > KERN_(WARN|INFO|DEBUG) constants.
>
> These are not KERN_<LEVEL> at all, all are emitted at KERN_DEBUG

yes indeed.  but they are chosen by programmer, fixed by compiler.  not dynamic.
<pmladek@xxxxxxxx> also noted the conceptual adjacency (ambiguity),
and referenced KERN_<lvl>



If we need this extra query-term, lets call it   mbits / mflags /
module_flags / module_bits
it needs to be module specific, so also requiring "module foo" search
term in the query.
( "modflags" is no good, cuz "mod" also means "modified" - just mflags
is better )

Already, we have function, file, module, all of which convey semantic
structure of the code,
and they also match wildcards, so " function foo_*_* " is an effective grouping.
Id think this would cover most cases.

Finally, all "module venus +p " callsites could be explicitly
specified individually in
universe=`grep venus control | wc -l`
lines, likely a small set.
Using the semantic structure exposed by `grep venus control`, it would
likely be far less.



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