oprofiling is much saner looking now with rc6-smoketest
Dave Taht
dave.taht at gmail.com
Tue Aug 30 18:41:54 PDT 2011
This is the same test, repeated, sans firewall rules - all iptables
rules cleared. I get about 220MB/sec without oprofile running, and 208
with it running. (vs about 190MB with the iptables rules in the
previous run)
As noted earlier this is with netperf running on the router itself,
with web10g patched in. Web10g supplies some interesting statistics
(attached), and I have a tcptrace/xplot.org screenshots of the
previous run here:
http://huchra.bufferbloat.net/~d/rc6-smoke-captures/
that is also interesting. There is a knee at 30 seconds and other
somewhat odd looking behavior when you zoom in.
I further note that the laptop driving this test (via a gige pcmcia
card) has a default txqueuelen of 1000 and I don't presently know the
length of the dma tx ring, and is running the std ubuntu 11.4 kernel (
2.6.38-11-generic), with ecn,sack,dsack enabled.
And the best performance I've got from the laptop to a pentium 4 box
was 290Mbit. I note that I'm pretty happy with 220Mbit OK! I wanted to
have a baseline value before I started fiddling with vlan and dscp
stuff....
CPU: MIPS 24K, speed 0 MHz (estimated)
Counted INSTRUCTIONS events (Instructions completed) with a unit mask
of 0x00 (No unit mask) count 100000
samples % app name symbol name
-------------------------------------------------------------------------------
17141 14.8045 vmlinux csum_partial
17141 100.000 vmlinux csum_partial [self]
-------------------------------------------------------------------------------
17024 14.7035 vmlinux __copy_user
17024 100.000 vmlinux __copy_user [self]
-------------------------------------------------------------------------------
8888 7.6765 nf_conntrack /nf_conntrack
8888 100.000 nf_conntrack /nf_conntrack [self]
-------------------------------------------------------------------------------
4139 3.5748 vmlinux __do_softirq
4139 100.000 vmlinux __do_softirq [self]
-------------------------------------------------------------------------------
4055 3.5023 ip_tables /ip_tables
4055 100.000 ip_tables /ip_tables [self]
--
Dave Täht
SKYPE: davetaht
US Tel: 1-239-829-5608
http://the-edge.blogspot.com
-------------- next part --------------
Connection 64 (172.29.1.33_22 172.29.1.123_51581)
LocalAddressType : 1
LocalAddress : 172.29.1.33
LocalPort : 22
RemAddressType : 1
RemAddress : 172.29.1.123
RemPort : 51581
SegsOut : 2668
DataSegsOut : 2668
DataOctetsOut : 493373
SegsRetrans : 3
OctetsRetrans : 208
SegsIn : 4272
DataSegsIn : 1885
DataOctetsIn : 93215
ElapsedSecs : 6618
ElapsedMicroSecs : 723887
CurMSS : 1460
PipeSize : 0
MaxPipeSize : 4380
SmoothedRTT : 10
CurRTO : 210
CongSignals : 0
CurCwnd : 8760
CurSsthresh : 4294967295
Timeouts : 0
CurRwinSent : 16888
MaxRwinSent : 16888
ZeroRwinSent : 0
CurRwinRcvd : 293248
MaxRwinRcvd : 293248
ZeroRwinRcvd : 0
SndLimTransRwin : 0
SndLimTransCwnd : 1
SndLimTransSnd : 2
SndLimTimeRwin : 0
SndLimTimeCwnd : 400477716
SndLimTimeSnd : 4073612272
SendStall : 0
RetranThresh : 3
NonRecovDAEpisodes : 1
SumOctetsReordered : 256
NonRecovDA : 0
SampleRTT : 0
RTTVar : 50
MaxRTT : 40
MinRTT : 0
SumRTT : 9160
CountRTT : 2507
MaxRTO : 230
MinRTO : 210
IpTtl : 64
IpTosIn : 16
IpTosOut : 0
PreCongSumCwnd : 0
PreCongSumRTT : 0
PostCongSumRTT : 0
PostCongCountRTT : 0
ECNsignals : 0
DupAckEpisodes : 0
RcvRTT : 3134114
DupAcksOut : 0
CERcvd : 0
ECESent : 0
ActiveOpen : 0
MSSSent : 1460
MSSRcvd : 1460
WinScaleSent : 1
WinScaleRcvd : 7
TimeStamps : 2
ECN : 3
WillSendSACK : 1
WillUseSACK : 1
State : 1953653102
Nagle : 1
MaxSsCwnd : 14600
MaxCaCwnd : 10220
MaxSsthresh : 5840
MinSsthresh : 2920
InRecovery : 2
DupAcksIn : 0
SpuriousFrDetected : 0
SpuriousRtoDetected : 0
SoftErrors : 0
SoftErrorReason : 0
SlowStart : 2
CongAvoid : 41
OtherReductions : 0
CongOverCount : 0
FastRetran : 0
SubsequentTimeouts : 0
CurTimeoutCount : 0
AbruptTimeouts : 0
SACKsRcvd : 0
SACKBlocksRcvd : 0
DSACKDups : 0
MaxMSS : 1460
MinMSS : 1440
SndInitial : 2230931079
RecInitial : 1469570772
CurRetxQueue : 0
MaxRetxQueue : 0
CurReasmQueue : 0
MaxReasmQueue : 0
SndUna : 2231370872
SndNxt : 2231370872
SndMax : 2231370872
ThruOctetsAcked : 439793
RcvNxt : 1469663891
ThruOctetsReceived : 93119
CurAppWQueue : 0
MaxAppWQueue : 0
CurAppRQueue : 0
MaxAppRQueue : 1144
LimCwnd : 4294965836
LimSsthresh : 0
LimRwin : 64075
LimMSS : 95682560
OtherReductionsCV : 0
OtherReductionsCM : 0
StartTimeSecs : 1314747615
StartTimeMicroSecs : 690002
Sndbuf : 16384
Rcvbuf : 87380
Connection 56 (172.29.1.97_22 172.29.1.123_52588)
LocalAddressType : 1
LocalAddress : 172.29.1.97
LocalPort : 22
RemAddressType : 1
RemAddress : 172.29.1.123
RemPort : 52588
SegsOut : 1241
DataSegsOut : 1241
DataOctetsOut : 110645
SegsRetrans : 0
OctetsRetrans : 0
SegsIn : 2000
DataSegsIn : 914
DataOctetsIn : 45711
ElapsedSecs : 4990
ElapsedMicroSecs : 629033
CurMSS : 1460
PipeSize : 0
MaxPipeSize : 1460
SmoothedRTT : 10
CurRTO : 210
CongSignals : 0
CurCwnd : 14600
CurSsthresh : 4294965836
Timeouts : 0
CurRwinSent : 16888
MaxRwinSent : 16888
ZeroRwinSent : 0
CurRwinRcvd : 64128
MaxRwinRcvd : 64128
ZeroRwinRcvd : 0
SndLimTransRwin : 0
SndLimTransCwnd : 0
SndLimTransSnd : 1
SndLimTimeRwin : 0
SndLimTimeCwnd : 0
SndLimTimeSnd : 4171379644
SendStall : 0
RetranThresh : 3
NonRecovDAEpisodes : 0
SumOctetsReordered : 0
NonRecovDA : 0
SampleRTT : 0
RTTVar : 50
MaxRTT : 120
MinRTT : 0
SumRTT : 3280
CountRTT : 1114
MaxRTO : 230
MinRTO : 210
IpTtl : 64
IpTosIn : 16
IpTosOut : 0
PreCongSumCwnd : 0
PreCongSumRTT : 0
PostCongSumRTT : 0
PostCongCountRTT : 0
ECNsignals : 0
DupAckEpisodes : 0
RcvRTT : 1532633
DupAcksOut : 0
CERcvd : 0
ECESent : 0
ActiveOpen : 0
MSSSent : 1460
MSSRcvd : 1460
WinScaleSent : 1
WinScaleRcvd : 7
TimeStamps : 2
ECN : 3
WillSendSACK : 1
WillUseSACK : 1
State : 1953653102
Nagle : 1
MaxSsCwnd : 14600
MaxCaCwnd : 0
MaxSsthresh : 0
MinSsthresh : 4294967295
InRecovery : 2
DupAcksIn : 0
SpuriousFrDetected : 0
SpuriousRtoDetected : 0
SoftErrors : 0
SoftErrorReason : 0
SlowStart : 0
CongAvoid : 0
OtherReductions : 0
CongOverCount : 0
FastRetran : 0
SubsequentTimeouts : 0
CurTimeoutCount : 0
AbruptTimeouts : 0
SACKsRcvd : 0
SACKBlocksRcvd : 0
DSACKDups : 0
MaxMSS : 1460
MinMSS : 1440
SndInitial : 1838946708
RecInitial : 749866429
CurRetxQueue : 0
MaxRetxQueue : 0
CurReasmQueue : 0
MaxReasmQueue : 0
SndUna : 1839032533
SndNxt : 1839032533
SndMax : 1839032533
ThruOctetsAcked : 85825
RcvNxt : 749912140
ThruOctetsReceived : 45711
CurAppWQueue : 0
MaxAppWQueue : 0
CurAppRQueue : 0
MaxAppRQueue : 1144
LimCwnd : 4294965836
LimSsthresh : 0
LimRwin : 64075
LimMSS : 95682560
OtherReductionsCV : 0
OtherReductionsCM : 0
StartTimeSecs : 1314742638
StartTimeMicroSecs : 218763
Sndbuf : 16384
Rcvbuf : 87380
Connection 0 (172.29.1.97_22 172.29.1.123_55029)
LocalAddressType : 1
LocalAddress : 172.29.1.97
LocalPort : 22
RemAddressType : 1
RemAddress : 172.29.1.123
RemPort : 55029
SegsOut : 2927
DataSegsOut : 2927
DataOctetsOut : 563021
SegsRetrans : 0
OctetsRetrans : 0
SegsIn : 4394
DataSegsIn : 1820
DataOctetsIn : 93439
ElapsedSecs : 65542
ElapsedMicroSecs : 507312
CurMSS : 1460
PipeSize : 0
MaxPipeSize : 4380
SmoothedRTT : 20
CurRTO : 220
CongSignals : 0
CurCwnd : 14600
CurSsthresh : 4294965836
Timeouts : 0
CurRwinSent : 22712
MaxRwinSent : 22712
ZeroRwinSent : 0
CurRwinRcvd : 357760
MaxRwinRcvd : 357760
ZeroRwinRcvd : 0
SndLimTransRwin : 0
SndLimTransCwnd : 0
SndLimTransSnd : 1
SndLimTimeRwin : 0
SndLimTimeCwnd : 0
SndLimTimeSnd : 2439344612
SendStall : 0
RetranThresh : 3
NonRecovDAEpisodes : 0
SumOctetsReordered : 0
NonRecovDA : 0
SampleRTT : 0
RTTVar : 50
MaxRTT : 50
MinRTT : 0
SumRTT : 12590
CountRTT : 2722
MaxRTO : 230
MinRTO : 210
IpTtl : 64
IpTosIn : 16
IpTosOut : 0
PreCongSumCwnd : 0
PreCongSumRTT : 0
PostCongSumRTT : 0
PostCongCountRTT : 0
ECNsignals : 0
DupAckEpisodes : 0
RcvRTT : 644526
DupAcksOut : 0
CERcvd : 0
ECESent : 0
ActiveOpen : 0
MSSSent : 1460
MSSRcvd : 1460
WinScaleSent : 1
WinScaleRcvd : 7
TimeStamps : 2
ECN : 3
WillSendSACK : 1
WillUseSACK : 1
State : 1953653102
Nagle : 1
MaxSsCwnd : 14600
MaxCaCwnd : 0
MaxSsthresh : 0
MinSsthresh : 4294967295
InRecovery : 2
DupAcksIn : 7
SpuriousFrDetected : 0
SpuriousRtoDetected : 0
SoftErrors : 7
SoftErrorReason : 1
SlowStart : 0
CongAvoid : 0
OtherReductions : 0
CongOverCount : 0
FastRetran : 0
SubsequentTimeouts : 0
CurTimeoutCount : 0
AbruptTimeouts : 0
SACKsRcvd : 0
SACKBlocksRcvd : 0
DSACKDups : 0
MaxMSS : 1460
MinMSS : 1440
SndInitial : 1018333932
RecInitial : 1871301081
CurRetxQueue : 0
MaxRetxQueue : 0
CurReasmQueue : 0
MaxReasmQueue : 0
SndUna : 1018838413
SndNxt : 1018838413
SndMax : 1018838413
ThruOctetsAcked : 504481
RcvNxt : 1871394520
ThruOctetsReceived : 93439
CurAppWQueue : 0
MaxAppWQueue : 0
CurAppRQueue : 0
MaxAppRQueue : 1456
LimCwnd : 4294965836
LimSsthresh : 0
LimRwin : 64075
LimMSS : 95682560
OtherReductionsCV : 0
OtherReductionsCM : 0
StartTimeSecs : 1314684283
StartTimeMicroSecs : 261134
Sndbuf : 16384
Rcvbuf : 87380
More information about the Bloat-devel
mailing list