path: root/Documentation/dynamic-debug-howto.txt
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authorJim Cromie <jim.cromie@gmail.com>2012-04-27 14:30:40 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-30 16:25:39 -0400
commit8e59b5cfb9a6f43753236b554d785e8efca62db7 (patch)
tree1e6116dadf2106fe910d5cbc4fb03488028361fe /Documentation/dynamic-debug-howto.txt
parent4107692760db8160a65347f7bb2fa7fa7bf9b0d1 (diff)
dynamic_debug: add modname arg to exec_query callchain
Pass module name into ddebug_exec_queries(), ddebug_exec_query(), and ddebug_parse_query() as separate parameter. In ddebug_parse_query(), the module name is added into the query struct before the query-string is parsed. This allows the query-string to be shorter: instead of: $modname.dyndbg="module $modname +fp" do this: $modname.dyndbg="+fp" Omitting "module $modname" from the query string is actually required for $modname.dyndbg rules; the set-only-once check added in a previous patch will throw an error if its added again. ddebug_query="..." has no $modname associated with it, so the query string may include it. This also fixes redundant "module $modname" otherwise needed to handle multiple queries per string: $modname.dyndbg="func foo +fp; func bar +fp" Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Acked-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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