summaryrefslogtreecommitdiff
path: root/networking/libiproute/utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'networking/libiproute/utils.c')
-rw-r--r--networking/libiproute/utils.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/networking/libiproute/utils.c b/networking/libiproute/utils.c
index d0fe306..37b5311 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;