perf units: Move parse_tag_value() to units.[ch]

Its basically to do units handling, so move to a more appropriately
named object.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-90ob9vfepui24l8l2makhd9u@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

4 files changed, 36 insertions, 34 deletions

diff --git a/tools/perf/util/units.c b/tools/perf/util/units.c
index f6a2a3d117d5..4767ec2c5ef6 100644
--- a/tools/perf/util/units.c
+++ b/tools/perf/util/units.c
@@ -1,8 +1,37 @@
 #include "units.h"
 #include <inttypes.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
 #include <linux/kernel.h>
 #include <linux/time64.h>
 
+unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
+{
+        struct parse_tag *i = tags;
+
+        while (i->tag) {
+                char *s = strchr(str, i->tag);
+
+                if (s) {
+                        unsigned long int value;
+                        char *endptr;
+
+                        value = strtoul(str, &endptr, 10);
+                        if (s != endptr)
+                                break;
+
+                        if (value > ULONG_MAX / i->mult)
+                                break;
+                        value *= i->mult;
+                        return value;
+                }
+                i++;
+        }
+
+        return (unsigned long) -1;
+}
+
 unsigned long convert_unit(unsigned long value, char *unit)
 {
         *unit = ' ';
diff --git a/tools/perf/util/units.h b/tools/perf/util/units.h
index 3ed7774afaa9..f02c87317150 100644
--- a/tools/perf/util/units.h
+++ b/tools/perf/util/units.h
@@ -4,6 +4,13 @@
 #include <stddef.h>
 #include <linux/types.h>
 
+struct parse_tag {
+        char tag;
+        int  mult;
+};
+
+unsigned long parse_tag_value(const char *str, struct parse_tag *tags);
+
 unsigned long convert_unit(unsigned long value, char *unit);
 int unit_number__scnprintf(char *buf, size_t size, u64 n);
 
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index b460f0db84d1..28c9f335006c 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -334,33 +334,6 @@ int hex2u64(const char *ptr, u64 *long_val)
         return p - ptr;
 }
 
-unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
-{
-        struct parse_tag *i = tags;
-
-        while (i->tag) {
-                char *s;
-
-                s = strchr(str, i->tag);
-                if (s) {
-                        unsigned long int value;
-                        char *endptr;
-
-                        value = strtoul(str, &endptr, 10);
-                        if (s != endptr)
-                                break;
-
-                        if (value > ULONG_MAX / i->mult)
-                                break;
-                        value *= i->mult;
-                        return value;
-                }
-                i++;
-        }
-
-        return (unsigned long) -1;
-}
-
 int perf_event_paranoid(void)
 {
         int value;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index dabdc810ffdc..d620719775a8 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -59,13 +59,6 @@ int hex2u64(const char *ptr, u64 *val);
 extern unsigned int page_size;
 extern int cacheline_size;
 
-struct parse_tag {
-        char tag;
-        int mult;
-};
-
-unsigned long parse_tag_value(const char *str, struct parse_tag *tags);
-
 bool find_process(const char *name);
 
 int fetch_kernel_version(unsigned int *puint,