From 10424b20c1f29175fce07d0bf7639f2cc324ad78 Mon Sep 17 00:00:00 2001
From: Thomas Graf <tgraf@suug.ch>
Date: Wed, 17 Nov 2010 11:55:42 +0100
Subject: Rename nl_get_hz() to nl_get_user_hz() to indicate it's not the
 in-kernel HZ value

---
 include/netlink/utils.h |  2 +-
 lib/route/neigh.c       |  2 +-
 lib/route/route_obj.c   |  4 ++--
 lib/route/sch/htb.c     |  4 ++--
 lib/utils.c             | 12 ++++++++----
 5 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/include/netlink/utils.h b/include/netlink/utils.h
index 480bab6..9f38f21 100644
--- a/include/netlink/utils.h
+++ b/include/netlink/utils.h
@@ -48,7 +48,7 @@ extern long	nl_size2int(const char *);
 extern long	nl_prob2int(const char *);
 
 /* time translations */
-extern int	nl_get_hz(void);
+extern int	nl_get_user_hz(void);
 extern uint32_t	nl_us2ticks(uint32_t);
 extern uint32_t	nl_ticks2us(uint32_t);
 extern int	nl_str2msec(const char *, uint64_t *);
diff --git a/lib/route/neigh.c b/lib/route/neigh.c
index 6c90bc2..a8ebfd5 100644
--- a/lib/route/neigh.c
+++ b/lib/route/neigh.c
@@ -367,7 +367,7 @@ static void neigh_dump_details(struct nl_object *a, struct nl_dump_params *p)
 {
 	char rtn_type[32];
 	struct rtnl_neigh *n = (struct rtnl_neigh *) a;
-	int hz = nl_get_hz();
+	int hz = nl_get_user_hz();
 
 	neigh_dump_line(a, p);
 
diff --git a/lib/route/route_obj.c b/lib/route/route_obj.c
index 856dce4..c3d7de5 100644
--- a/lib/route/route_obj.c
+++ b/lib/route/route_obj.c
@@ -284,8 +284,8 @@ static void route_dump_stats(struct nl_object *obj, struct nl_dump_params *p)
 		nl_dump_line(p, "    used %u refcnt %u last-use %us "
 				"expires %us\n",
 			     ci->rtci_used, ci->rtci_clntref,
-			     ci->rtci_last_use / nl_get_hz(),
-			     ci->rtci_expires / nl_get_hz());
+			     ci->rtci_last_use / nl_get_user_hz(),
+			     ci->rtci_expires / nl_get_user_hz());
 	}
 }
 
diff --git a/lib/route/sch/htb.c b/lib/route/sch/htb.c
index 93ec28a..4af8a04 100644
--- a/lib/route/sch/htb.c
+++ b/lib/route/sch/htb.c
@@ -284,14 +284,14 @@ static struct nl_msg *htb_class_get_opts(struct rtnl_class *class)
 	if (d->ch_mask & SCH_HTB_HAS_RBUFFER)
 		buffer = d->ch_rbuffer;
 	else
-		buffer = opts.rate.rate / nl_get_hz() + mtu;
+		buffer = opts.rate.rate / nl_get_user_hz() + mtu; /* XXX */
 
 	opts.buffer = rtnl_tc_calc_txtime(buffer, opts.rate.rate);
 
 	if (d->ch_mask & SCH_HTB_HAS_CBUFFER)
 		cbuffer = d->ch_cbuffer;
 	else
-		cbuffer = opts.ceil.rate / nl_get_hz() + mtu;
+		cbuffer = opts.ceil.rate / nl_get_user_hz() + mtu; /* XXX */
 
 	opts.cbuffer = rtnl_tc_calc_txtime(cbuffer, opts.ceil.rate);
 
diff --git a/lib/utils.c b/lib/utils.c
index 56a92bf..1168293 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -313,11 +313,15 @@ static void __init get_psched_settings(void)
 			strncpy(name, "/proc/net/psched", sizeof(name) - 1);
 		
 		if ((fd = fopen(name, "r"))) {
-			uint32_t tick, us;
+			uint32_t ns_per_usec, ns_per_tick;
 			/* the file contains 4 hexadecimals, but we just use
 			   the first two of them */
-			fscanf(fd, "%08x %08x", &tick, &us);
-			ticks_per_usec = (double)tick/(double)us;
+			fscanf(fd, "%08x %08x", &ns_per_usec, &ns_per_tick);
+
+			ticks_per_usec = (double) ns_per_usec / 
+					 (double) ns_per_tick;
+
+
 			fclose(fd);
 		}
 	}
@@ -327,7 +331,7 @@ static void __init get_psched_settings(void)
 /**
  * Return the value of HZ
  */
-int nl_get_hz(void)
+int nl_get_user_hz(void)
 {
 	return user_hz;
 }
-- 
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