James Harper schrieb:
Just to get this info in one spot (sorry if I'm asking you to repeat
yourselves), please tell me the versions of:
GPLPV
0.10.0.86
Xen (hypervisor)
Dom0 Kernel
-----------------
host : greatmama-n2
release : 2.6.26-2-xen-amd64
version : #1 SMP Sun Jul 26 22:39:03 UTC 2009
machine : x86_64
nr_cpus : 4
nr_nodes : 1
cores_per_socket : 4
threads_per_core : 1
cpu_mhz : 2333
hw_caps :
bfebfbff:20000800:00000000:00000140:000ce3bd:00000000:00000001
total_memory : 4093
free_memory : 2083
node_to_cpu : node0:0-3
xen_major : 3
xen_minor : 2
xen_extra : -1
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler : credit
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
cc_compiler : gcc version 4.3.1 (Debian 4.3.1-2)
cc_compile_by : waldi
cc_compile_domain : debian.org
cc_compile_date : Sat Jun 28 09:32:18 UTC 2008
xend_config_format : 4
-----------------
Dom0 kernel patch source if you aren't running the standard 2.6.18
kernel that ships with Xen, eg a distro kernel perhaps?
all plain debian lenny
Dom0 network module (eg e1000e)
e1000e on eth0
bnx2 on eth2
Dom0 network card (just the make and chipset should be fine)
eth0:
0e:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet
Controller (rev 06)
Subsystem: Hewlett-Packard Company NC360T PCI Express Dual Port
Gigabit Server Adapter
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at fdfe0000 (32-bit, non-prefetchable) [size=128K]
Memory at fdfc0000 (32-bit, non-prefetchable) [size=128K]
I/O ports at 6000 [size=32]
[virtual] Expansion ROM at d1100000 [disabled] [size=128K]
Capabilities: [c8] Power Management version 2
Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
Capabilities: [e0] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [140] Device Serial Number 5c-f0-55-ff-ff-29-1f-00
Kernel driver in use: e1000e
Kernel modules: e1000e
eth2:
03:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708
Gigabit Ethernet (rev 12)
Subsystem: Hewlett-Packard Company NC373i Integrated
Multifunction Gigabit Server Adapter
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 16
Memory at f8000000 (64-bit, non-prefetchable) [size=32M]
[virtual] Expansion ROM at d1300000 [disabled] [size=2K]
Capabilities: [40] PCI-X non-bridge device
Capabilities: [48] Power Management version 2
Capabilities: [50] Vital Product Data <?>
Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
Kernel driver in use: bnx2
Kernel modules: bnx2
TX speed from DomU to Dom0 as measured with 'iperf -w1m' (approx will be
fine)
For now I only have output/speed of some (bacula) backup runs. Receiving
bacula storage daemon resides in Dom0, the sending file-daemon in domU.
I get a rate about 1.3 MB/s. Whithout GPLPV now I get rates about 6-7 MB/s.
TX speed from DomU to a physical machine on the other side of a 1GBit
interface from Dom0
At the moment I don't have any phy machine in the same subnet. But I've
measured filetransfer (smb) speed between the GPLPV server (TX) and
another WinHVM on the same subnet: About poorly 65 kB/s. In the other
direction I get rates about 2.5-3 MB/s (smb traffic). But the other HVM
didn't have GPLPV installed so the bottleneck here was quemu on the peer.
Maybe I also should play around with offloading.
regards,
Robert
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