tipc: fix excessive network event logging
If a large number of namespaces is spawned on a node and TIPC is
enabled in each of these, the excessive printk tracing of network
events will cause the system to grind down to a near halt.
The traces are still of debug value, so instead of removing them
completely we fix it by changing the link state and node availability
logging debug traces.
Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/node.c b/net/tipc/node.c
index b1eb092..ee5d33c 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -230,8 +230,8 @@
n_ptr->action_flags |= TIPC_NOTIFY_LINK_UP;
n_ptr->link_id = l_ptr->peer_bearer_id << 16 | l_ptr->bearer_id;
- pr_info("Established link <%s> on network plane %c\n",
- l_ptr->name, l_ptr->net_plane);
+ pr_debug("Established link <%s> on network plane %c\n",
+ l_ptr->name, l_ptr->net_plane);
if (!active[0]) {
active[0] = active[1] = l_ptr;
@@ -239,7 +239,7 @@
goto exit;
}
if (l_ptr->priority < active[0]->priority) {
- pr_info("New link <%s> becomes standby\n", l_ptr->name);
+ pr_debug("New link <%s> becomes standby\n", l_ptr->name);
goto exit;
}
tipc_link_dup_queue_xmit(active[0], l_ptr);
@@ -247,9 +247,9 @@
active[0] = l_ptr;
goto exit;
}
- pr_info("Old link <%s> becomes standby\n", active[0]->name);
+ pr_debug("Old link <%s> becomes standby\n", active[0]->name);
if (active[1] != active[0])
- pr_info("Old link <%s> becomes standby\n", active[1]->name);
+ pr_debug("Old link <%s> becomes standby\n", active[1]->name);
active[0] = active[1] = l_ptr;
exit:
/* Leave room for changeover header when returning 'mtu' to users: */
@@ -297,12 +297,12 @@
n_ptr->link_id = l_ptr->peer_bearer_id << 16 | l_ptr->bearer_id;
if (!tipc_link_is_active(l_ptr)) {
- pr_info("Lost standby link <%s> on network plane %c\n",
- l_ptr->name, l_ptr->net_plane);
+ pr_debug("Lost standby link <%s> on network plane %c\n",
+ l_ptr->name, l_ptr->net_plane);
return;
}
- pr_info("Lost link <%s> on network plane %c\n",
- l_ptr->name, l_ptr->net_plane);
+ pr_debug("Lost link <%s> on network plane %c\n",
+ l_ptr->name, l_ptr->net_plane);
active = &n_ptr->active_links[0];
if (active[0] == l_ptr)
@@ -380,8 +380,8 @@
char addr_string[16];
u32 i;
- pr_info("Lost contact with %s\n",
- tipc_addr_string_fill(addr_string, n_ptr->addr));
+ pr_debug("Lost contact with %s\n",
+ tipc_addr_string_fill(addr_string, n_ptr->addr));
/* Flush broadcast link info associated with lost node */
if (n_ptr->bclink.recv_permitted) {