From: David Miller <davem@davemloft.net>
To: erik.hugne@ericsson.com
Cc: richard.alpe@ericsson.com, ying.xue@windriver.com,
jon.maloy@ericsson.com, netdev@vger.kernel.org,
tipc-discussion@lists.sourceforge.net
Subject: Re: [PATCH net-next] tipc: ratelimit network event traces
Date: Mon, 19 Jan 2015 19:46:31 -0500 (EST) [thread overview]
Message-ID: <20150119.194631.158476804095735240.davem@davemloft.net> (raw)
In-Reply-To: <1421658164-26185-1-git-send-email-erik.hugne@ericsson.com>
From: <erik.hugne@ericsson.com>
Date: Mon, 19 Jan 2015 10:02:44 +0100
> From: Erik Hugne <erik.hugne@ericsson.com>
>
> 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.
> We fix this by adding ratelimiting to the info/warning logs
> regarding link state and node availability.
>
> Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
> Reviewed-by: Ying Xue <ying.xue@windriver.com>
Really these various state transition messages that are enabled
by default really should not be.
If you want to watch for every event like this, listen on a
netlink socket or set some debugging level param to some non-
default value.
prev parent reply other threads:[~2015-01-20 0:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 9:02 [PATCH net-next] tipc: ratelimit network event traces erik.hugne
2015-01-19 16:07 ` Jon Maloy
2015-01-20 0:46 ` David Miller [this message]
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