tracing/kprobes: Add failure messages for debugging
Add verbose failure messages to kprobe-tracer for debugging. Signed-off-by: NMasami Hiramatsu <mhiramat@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20091017000728.16556.16713.stgit@dhcp-100-2-132.bos.redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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