My throughput dropped from 500 mbps to 8mbps. 8(
On Wednesday 12 January 2005 02:21 pm, Robert Olsson wrote:
> Jeremy M. Guthrie writes:
> > Latest numbers after your patch Robert.
>
> Did the RX interrupts go down?
>
> --ro
>
> > Wed Jan 12 14:05:36 CST 2005
> > eth3 Link encap:Ethernet HWaddr 00:02:B3:D5:7E:30
> > inet addr:10.253.0.1 Bcast:10.255.255.255 Mask:255.255.255.0
> > inet6 addr: fe80::202:b3ff:fed5:7e30/64 Scope:Link
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:21951496 errors:2412189 dropped:2412189
> > overruns:377090 frame:0
> > TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:3455362966 (3295.2 Mb) TX bytes:398 (398.0 b)
> > Base address:0x22a0 Memory:eff80000-effa0000
> >
> > 95b83157 150dc67c 00c734a1 000d2659 00000000 00000000 00000000 00000000
> > 0073cee4
> > 00044494 00000000 00000075 00000000 00000000 00000000 00000000 00000000
> > 00097c77
> > entries in_hit in_slow_tot in_no_route in_brd in_martian_dst
> > in_martian_src out_hit out_slow_tot out_slow_mc gc_total gc_ignored
> > gc_goal_miss gc_dst_overflow in_hlist_search out_hlist_search
> > 0000f8cd 41403122 34c30e49 00000000 00000000 0000b0dd 00006a38 00000002
> > 0027279d 0004147b 00000000 2f528a5f 2f42efcf 0000104f 00000000 81d262df
> > 00c5d75c
> > 0000f8cd 0000e332 0003238f 00000000 00000000 00004263 00000000 00000000
> > 0000001e 000000c0 00000002 00004650 00004626 00000000 00000000 0016b879
> > 0000024c
> >
> >
> >
> >
> >
> > Wed Jan 12 14:06:36 CST 2005
> > eth3 Link encap:Ethernet HWaddr 00:02:B3:D5:7E:30
> > inet addr:10.253.0.1 Bcast:10.255.255.255 Mask:255.255.255.0
> > inet6 addr: fe80::202:b3ff:fed5:7e30/64 Scope:Link
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:28053281 errors:2899869 dropped:2899869
> > overruns:427243 frame:0
> > TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:2607094069 (2486.3 Mb) TX bytes:398 (398.0 b)
> > Base address:0x22a0 Memory:eff80000-effa0000
> >
> > 96154d20 150dc67c 00c78bc2 000d2659 00000000 00000000 00000000 00000000
> > 0073d31d
> > 00044499 00000000 00000075 00000000 00000000 00000000 00000000 00000000
> > 00097d2d
> > entries in_hit in_slow_tot in_no_route in_brd in_martian_dst
> > in_martian_src out_hit out_slow_tot out_slow_mc gc_total gc_ignored
> > gc_goal_miss gc_dst_overflow in_hlist_search out_hlist_search
> > 0000fc6a 419ad196 34c586ba 00000000 00000000 0000b0e0 00006a40 00000002
> > 002729c5 000414cb 00000000 2f5502ff 2f4567f7 0000104f 00000000 83790467
> > 00c5e33c
> > 0000fc6a 0000e333 00032393 00000000 00000000 00004263 00000000 00000000
> > 0000001e 000000c0 00000002 00004650 00004626 00000000 00000000 0016b898
> > 0000024c
> >
> > On Wednesday 12 January 2005 01:27 pm, Robert Olsson wrote:
> > > Jeremy M. Guthrie writes:
> > > > > > ETH3 Interrupts(calc'd from below): 1479968
> > > > >
> > > > > Very strange...
> > > > >
> > > > > eth3 is bound to CPU0 which in turn has all packet load... If we
> > > > > were to believe your CPU0 was saturated (due to the drops). We
> > > > > should see no (RX) interrupts on eth3. But there is a lot... one
> > > > > irq per every three packet. Why?
> > > >
> > > > I have no idea why it would be doing this.
> > >
> > > Huh seems you didn't add the patch I sent. Below is diff from my
> > > editor to your e1000_main.c
> > >
> > > --ro
> > >
> > >
> > > --- e1000_main.c.jmg 2005-01-12 20:14:08.324168072 +0100
> > > +++ e1000_main.c 2005-01-12 20:17:24.777302656 +0100
> > > @@ -2264,14 +2264,13 @@
> > > netdev->quota -= work_done;
> > >
> > > /* if no Rx and Tx cleanup work was done, exit the polling mode */
> > > - if(!tx_cleaned || (work_done < work_to_do) ||
> > > - !netif_running(netdev)) {
> > > + if( (!tx_cleaned && (work_done == 0)) || !netif_running(netdev)) {
> > > quit_polling: netif_rx_complete(netdev);
> > > e1000_irq_enable(adapter);
> > > return 0;
> > > }
> > >
> > > - return (work_done >= work_to_do);
> > > + return 1;
> > > }
> > >
> > > #endif
> >
> > --
> >
> > --------------------------------------------------
> > Jeremy M. Guthrie jeremy.guthrie@xxxxxxxxxx
> > Senior Network Engineer Phone: 608-298-1061
> > Berbee Fax: 608-288-3007
> > 5520 Research Park Drive NOC: 608-298-1102
> > Madison, WI 53711
--
--------------------------------------------------
Jeremy M. Guthrie jeremy.guthrie@xxxxxxxxxx
Senior Network Engineer Phone: 608-298-1061
Berbee Fax: 608-288-3007
5520 Research Park Drive NOC: 608-298-1102
Madison, WI 53711
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