1 files changed, 22 insertions, 0 deletions

diff --git a/networking/libiproute/utils.c b/networking/libiproute/utils.c
index d0fe30605..37b5311f0 100644
--- a/networking/libiproute/utils.c
+++ b/networking/libiproute/utils.c
@@ -13,6 +13,28 @@
 #include "utils.h"
 #include "inet_common.h"
 
+unsigned get_hz(void)
+{
+        static unsigned hz_internal;
+        FILE *fp;
+
+        if (hz_internal)
+                return hz_internal;
+
+        fp = fopen_for_read("/proc/net/psched");
+        if (fp) {
+                unsigned nom, denom;
+
+                if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2)
+                        if (nom == 1000000)
+                                hz_internal = denom;
+                fclose(fp);
+        }
+        if (!hz_internal)
+                hz_internal = bb_clk_tck();
+        return hz_internal;
+}
+
 unsigned get_unsigned(char *arg, const char *errmsg)
 {
         unsigned long res;