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SubjectRe: e1000 performance

On 07.30, "Feldman, Scott" wrote:
> > I think I am getting weird performace with e1000 in 2.4.22-pre.
> Is this behavior new to 2.4.22-pre?
> > Hardware:
> > 03:01.0 Ethernet controller: Intel Corp. 82543GC Gigabit
> > Ethernet Controller (Copper) (rev 02)
> 82543 = PCI, not PCI-X. Are you in a 64-bit slot? Get ethtool 1.8 and
> run ethtool -d eth<x> to see PCI type/width/speed.

Here are the results:
annwn:~# ethtool -d eth2
MAC Registers
0x00000: CTRL (Device control register) 0x0A501A49
Duplex: full
Endian mode (buffers): little
Link reset: reset
Set link up: 1
Invert Loss-Of-Signal: no
Receive flow control: enabled
Transmit flow control: disabled
VLAN mode: disabled
Auto speed detect: disabled
Speed select: 1000Mb/s
Force speed: yes
Force duplex: yes
0x00008: STATUS (Device status register) 0x00001B8F
Duplex: full
Link up: link config
TBI mode: disabled
Link speed: 1000Mb/s
0x00100: RCTL (Receive control register) 0x00008002
Receiver: enabled
Store bad packets: disabled
Unicast promiscuous: disabled
Multicast promiscuous: disabled
Long packet: disabled
Descriptor minimum threshold size: 1/2
Broadcast accept mode: accept
VLAN filter: disabled
Cononical form indicator: disabled
Discard pause frames: filtered
Pass MAC control frames: don't pass
Receive buffer size: 2048
0x02808: RDLEN (Receive desc length) 0x00001000
0x02810: RDH (Receive desc head) 0x0000009B
0x02818: RDT (Receive desc tail) 0x00000090
0x02820: RDTR (Receive delay timer) 0x00000000
0x00400: TCTL (Transmit ctrl register) 0x0004010A
Transmitter: enabled
Pad short packets: enabled
Software XOFF Transmission: disabled
Re-transmit on late collision: disabled
0x03808: TDLEN (Transmit desc length) 0x00001000
0x03810: TDH (Transmit desc head) 0x00000076
0x03818: TDT (Transmit desc tail) 0x00000076
0x03820: TIDV (Transmit delay timer) 0x00000040

More info:

annwn:~# ethtool -i eth2
driver: e1000
version: 5.1.13-k1
firmware-version: N/A
bus-info: 03:01.0
annwn:~# ethtool -S eth2
NIC statistics:
rx_packets: 12523
tx_packets: 6559
rx_bytes: 1828772
tx_bytes: 1434954
rx_errors: 0
tx_errors: 0
rx_dropped: 0
tx_dropped: 0
multicast: 0
collisions: 0
rx_length_errors: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
rx_fifo_errors: 0
rx_missed_errors: 0
tx_aborted_errors: 0
tx_carrier_errors: 6559
tx_fifo_errors: 0
tx_heartbeat_errors: 0
tx_window_errors: 0
tx_abort_late_coll: 0
tx_deferred_ok: 0
tx_single_coll_ok: 0
tx_multi_coll_ok: 0
rx_long_length_errors: 0
rx_short_length_errors: 0
rx_align_errors: 0
tx_tcp_seg_good: 0
tx_tcp_seg_failed: 0
rx_flow_control_xon: 0
rx_flow_control_xoff: 0
tx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_csum_offload_good: 12506
rx_csum_offload_errors: 0

J.A. Magallon <> \ Software is like
sex: \ It's better when it's
Mandrake Linux release 9.2 (Cooker) for i586
Linux 2.4.22-pre9-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-0.7mdk))
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