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authorJason Baron <jbaron@redhat.com>2009-02-05 11:51:38 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-03-24 16:38:26 -0700
commite9d376f0fa66bd630fe27403669c6ae6c22a868f (patch)
tree6eadef32eb421647ae98d88341b9aceb259aaf22 /fs/pnode.h
parent095160aee954688a9bad225952c4bee546541e19 (diff)
dynamic debug: combine dprintk and dynamic printk
This patch combines Greg Bank's dprintk() work with the existing dynamic printk patchset, we are now calling it 'dynamic debug'. The new feature of this patchset is a richer /debugfs control file interface, (an example output from my system is at the bottom), which allows fined grained control over the the debug output. The output can be controlled by function, file, module, format string, and line number. for example, enabled all debug messages in module 'nf_conntrack': echo -n 'module nf_conntrack +p' > /mnt/debugfs/dynamic_debug/control to disable them: echo -n 'module nf_conntrack -p' > /mnt/debugfs/dynamic_debug/control A further explanation can be found in the documentation patch. Signed-off-by: Greg Banks <gnb@sgi.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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