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Message-ID: <20080804093742.395d271e@extreme> Date: Mon, 4 Aug 2008 09:37:42 -0700 From: Stephen Hemminger <shemminger@...tta.com> To: David Miller <davem@...emloft.net> Cc: greearb@...delatech.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [RFC] netdev: debugging option On Sun, 20 Jul 2008 00:05:09 -0700 (PDT) David Miller <davem@...emloft.net> wrote: > From: Stephen Hemminger <shemminger@...tta.com> > Date: Sat, 19 Jul 2008 23:04:24 -0700 > > > This adds a debugging option for network devices. It could grow to add other > > uses, but for now just add some messages about device reference counting. > > > > Signed-off-by: Stephen Hemminger <shemminger@...tta.com> > > I think this is useful but it could use some minor > mods before we put it in. > > For example, this thing will spam the logs in at least two > common cases: > > 1) Lots of routing cache replacements > > 2) For older drivers using netif_rx() (and therefore, every > current tunnel), every RX packet will trigger a log message Fixed by later patch. > So we really need to add some kind of run time enable and also a > filter of some sort, even if it's just on device. The sysctl in the patch is default off, so unless it is turned on, the log is quiet -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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