perf record: Export the callchain parsing routine and help
Will be used by perf top, that will first setup the symbol system to
deal with callchains and then call these routines to ask the kernel
for callchains.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-jg0dh8rmlx7x11e7u7mnasvd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index eb34057..3ee9f67 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -143,4 +143,9 @@
cursor->curr = cursor->curr->next;
cursor->pos++;
}
+
+struct option;
+
+int record_parse_callchain_opt(const struct option *opt, const char *arg, int unset);
+extern const char record_callchain_help[];
#endif /* __PERF_CALLCHAIN_H */