diff options
Diffstat (limited to 'networking/libiproute/utils.c')
-rw-r--r-- | networking/libiproute/utils.c | 22 |
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; |