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authorJim Cromie <jim.cromie@gmail.com>2020-07-20 02:10:44 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-24 18:00:08 +0300
commit481c0e33f1e71a7ad934bab07b6f3f77243ef0e5 (patch)
tree7c2fa6e0f861ad397692d1b4bb0dabf04d4891f7 /include/asm-generic
parent1ff838487d6fcd013f2bde44c8e486f9d6758271 (diff)
downloadlinux-481c0e33f1e71a7ad934bab07b6f3f77243ef0e5.tar.xz
dyndbg: refine debug verbosity; 1 is basic, 2 more chatty
The verbose/debug logging done for `cat $MNT/dynamic_debug/control` is voluminous (2 per control file entry + 2 per PAGE). Moreover, it just prints pointer and sequence, which is not useful to a dyndbg user. So just drop them. Also require verbose>=2 for several other debug printks that are a bit too chatty for typical needs; ddebug_change() prints changes, once per modified callsite. Since queries like "+p" will enable ~2300 callsites in a typical laptop, a user probably doesn't need to see them often. ddebug_exec_queries() still summarizes with verbose=1. ddebug_(add|remove)_module() also print 1 line per action on a module, not needed by typical modprobe user. This leaves verbose=1 better focussed on the >control parsing process. Acked-by: <jbaron@akamai.com> Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Link: https://lore.kernel.org/r/20200719231058.1586423-5-jim.cromie@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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