Date: Sat, 04 Aug 2012 13:51:52 -0600 From: Ian Lepore <freebsd@damnhippie.dyndns.org> To: Tim Kientzle <kientzle@freebsd.org> Cc: freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Re: How to Expose Chip-level Ethernet Statistics? Message-ID: <1344109912.1128.94.camel@revolution.hippie.lan> In-Reply-To: <D964DD93-51C6-43AE-B18A-09DEC4AB59FA@freebsd.org> References: <D964DD93-51C6-43AE-B18A-09DEC4AB59FA@freebsd.org>
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On Sat, 2012-08-04 at 12:21 -0700, Tim Kientzle wrote: > I believe that some of the issues I'm having with this > Ethernet driver might be easier to diagnose if I could > expose the chip-level statistics counters (especially queue > overrun counts). > > Is there a standard way to do this? > > I've looked at systat, netstat, and ifconfig but haven't > yet found a standard tool that queries this sort of > information. (If I could find that, I could figure out > which ioctl it used…) > > Pointers appreciated… In particular, if there's another > Ethernet driver that does this well, I can use that for a > reference. > > Tim I don't know if this is exactly what you mean, but have a look at src/tools/tools/ifinfo, and find some examples of drivers that fill in that info by grepping for ifmib_iso_8802_3. (I really know nothing about this stuff, except that your request triggered a memory that the atmel if_ate driver gathers some stats that I've not seen in most other drivers.) -- Ian
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