perf tools: Make is_printable_array global

It's used from 2 objects in perf, so it's better to keep just one copy.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1468685480-18951-3-git-send-email-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/python.c

@@ -295,18 +295,6 @@ static bool is_tracepoint(struct pyrf_event *pevent)
 	return pevent->evsel->attr.type == PERF_TYPE_TRACEPOINT;
 }
 
-static int is_printable_array(char *p, unsigned int len)
-{
-	unsigned int i;
-
-	for (i = 0; i < len; i++) {
-		if (!isprint(p[i]) && !isspace(p[i]))
-			return 0;
-	}
-
-	return 1;
-}
-
 static PyObject*
 tracepoint_field(struct pyrf_event *pe, struct format_field *field)
 {

tools/perf/util/scripting-engines/trace-event-python.c

@@ -386,22 +386,6 @@ static PyObject *python_process_callchain(struct perf_sample *sample,
 	return pylist;
 }
 
-static int is_printable_array(char *p, unsigned int len)
-{
-	unsigned int i;
-
-	if (!p || !len || p[len - 1] != 0)
-		return 0;
-
-	len--;
-
-	for (i = 0; i < len; i++) {
-		if (!isprint(p[i]) && !isspace(p[i]))
-			return 0;
-	}
-	return 1;
-}
-
 static void python_process_tracepoint(struct perf_sample *sample,
 				      struct perf_evsel *evsel,
 				      struct addr_location *al)

tools/perf/util/util.c

@@ -746,3 +746,19 @@ void print_binary(unsigned char *data, size_t len,
 	}
 	printer(BINARY_PRINT_DATA_END, -1, extra);
 }
+
+int is_printable_array(char *p, unsigned int len)
+{
+	unsigned int i;
+
+	if (!p || !len || p[len - 1] != 0)
+		return 0;
+
+	len--;
+
+	for (i = 0; i < len; i++) {
+		if (!isprint(p[i]) && !isspace(p[i]))
+			return 0;
+	}
+	return 1;
+}

tools/perf/util/util.h

@@ -364,4 +364,5 @@ void print_binary(unsigned char *data, size_t len,
 extern int sched_getcpu(void);
 #endif
 
+int is_printable_array(char *p, unsigned int len);
 #endif /* GIT_COMPAT_UTIL_H */