perf probe: Do not show --line option without dwarf support

Do not show --line option in help message when perf
doesn't support dwarf.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
LKML-Reference: <20100225133512.6725.88423.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index ad47bd4..c7e14d0 100644 (file)
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -156,7 +156,9 @@ static const char * const probe_usage[] = {
        "perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]",
        "perf probe [<options>] --del '[GROUP:]EVENT' ...",
        "perf probe --list",
+#ifndef NO_LIBDWARF
        "perf probe --line 'LINEDESC'",
+#endif
        NULL
 };