Argus 3.0.6 and dnaclusters
Carter Bullard
carter at qosient.com
Thu Dec 13 20:12:52 EST 2012
Hey Chris,
So the select() seems to always return something, that's why we were in
the wrong branch. Now, we see that the pcap_dispatch() we call
doesn't process any packets, so we know to sleep a bit.
Cool, send something if it breaks, or catches on fire, or something !!!
Carter
On Dec 13, 2012, at 8:09 PM, Chris Wakelin <c.d.wakelin at reading.ac.uk> wrote:
> Aha! That works - with 5ms I'm down to 200 polls per second (as it
> should be!). I'll have a go with 50us too. I have a feeling one of the
> places I tried the select(0,0,0,0 ...) was the other branch of that "if"
> statement.
>
> Best Wishes,
> Chris
>
> On 14/12/12 01:03, Carter Bullard wrote:
>> Well if you don't mind, lets try a nanosleep() here.
>>
>> ==== //depot/argus/argus/argus/ArgusSource.c#104 - /Volumes/Users/carter/argus/argus/argus/ArgusSource.c ====
>> 3845a3846,3847
>>> struct timespec tsbuf = {0, 50000}, *ts = &tsbuf;
>>> nanosleep(ts, NULL);
>>
>> and we'll see if that does anything useful.
>> Carter
>>
>>
>> On Dec 13, 2012, at 7:35 PM, Carter Bullard <carter at qosient.com> wrote:
>>
>>> Well at least it thinks its selectable ;O)
>>> How bout pumping up the -D to 10 or 12?
>>> Carter
>>>
>>>
>>> On Dec 13, 2012, at 7:17 PM, Chris Wakelin <c.d.wakelin at reading.ac.uk> wrote:
>>>
>>>> Here goes :)
>>>>
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.169756 ArgusNewModeler() returning 0x96d010
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.169941 ArgusNewSource(0x96d010) returning 0x7fe3f76f5010
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.169958 ArgusNewOutput() returning retn 0x96dd00
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.171094 setArgusID(0x7fe3f76f5010, 0x7fff9bee08fc, 0x1) done
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.171151 setArgusPortNum(561) returning
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.171172 ArgusParseResourceFile: ArgusBindAddr "(null)"
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.171196 clearArgusDevice(0x7fe3f76f5010) returning
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.171210 setArgusDevice(dnacl:1 at 12) returning
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.171741 setArgusInterfaceStatus(0x7fe3f76f5010, 1)
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.172926 ArgusEstablishListen(0x96dd00, 0x7fff9bee2960) binding: ::1:561 family: 10
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.172990 ArgusEstablishListen(0x96dd00, 0x7fff9bee2960) binding: 127.0.0.1:561 family: 2
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.173010 ArgusEstablishListen(0x96dd00, 0x7fff9bee2960) returning 4
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.173060 ArgusNewSocket (5) returning 0x7fe3f8f1d010
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.173167 ArgusInitOutput() done
>>>>> argus-3.0.7.2-cdw[14851]: 14 Dec 12 00:14:48.173200 started
>>>>> argus-3.0.7.2-cdw[14851.0017abf6e37f0000]: 14 Dec 12 00:14:48.173198 ArgusOutputProcess(0x96dd00) starting
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.173281 ArgusCloneSource(0x7fe3f76f5010) returning 0x7fe3f5ea6010
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.173298 clearArgusDevice(0x7fe3f5ea6010) returning
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.200604 ArgusOpenInterface() pcap_open_live(dnacl:1 at 12) returned 0x97d7f0
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.200657 Arguslookup_pcap_callback(1) returning 0x413a50
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.200668 ArgusOpenInterface(0x7fe3f5ea6010, 'dnacl:1 at 12') returning 1
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.200888 ArgusInitModeler(0x99b1b0) done
>>>>> argus-3.0.7.2-cdw[14851.0007fff8e37f0000]: 14 Dec 12 00:14:48.200898 ArgusInitSource(0x7fe3f5ea6010) returning 1
>>>>> argus-3.0.7.2-cdw[14851.00273ee2e37f0000]: 14 Dec 12 00:14:48.201035 ArgusGetPackets (0x7fe3f5ea6010) starting
>>>>> argus-3.0.7.2-cdw[14851.00273ee2e37f0000]: 14 Dec 12 00:14:48.201079 setArgusInterfaceStatus(0x7fe3f5ea6010, 1)
>>>>> argus-3.0.7.2-cdw[14851.00273ee2e37f0000]: 14 Dec 12 00:14:48.201093 ArgusGetPackets: interface is selectable
>>>>> argus-3.0.7.2-cdw[14851.00273ee2e37f0000]: 14 Dec 12 00:14:48.201105 setArgusInterfaceStatus(0x7fe3f5ea6010, 1)
>>>>
>>>> Best Wishes,
>>>> Chris
>>>>
>>>> On 14/12/12 00:05, Carter Bullard wrote:
>>>>> Hey Chris,
>>>>> If its not there, I would say there is a problem. If you run it with "-D 3" for a few packets,
>>>>> where is it saying that it is ? ArgusGetPackets ?
>>>>>
>>>>> Carter
>>>>>
>>>>>
>>>>> On Dec 13, 2012, at 7:01 PM, Chris Wakelin <c.d.wakelin at reading.ac.uk> wrote:
>>>>>
>>>>>> That doesn't seem to make any difference, even with no traffic, or if I
>>>>>> make it 5 millseconds. Perhaps it doesn't get to that point in the code?
>>>>>>
>>>>>> Best Wishes,
>>>>>> Chris
>>>>>>
>>>>>> On 13/12/12 23:51, Carter Bullard wrote:
>>>>>>> Hmmmm,
>>>>>>> Well on line 3907 in ArgusSource.c, we come out of a series
>>>>>>> of select() calls, and various workarounds, for various bugs,
>>>>>>> and if we don't have any packets, we set the global time and
>>>>>>> continue. We could put a nanosleep() there, to give up the
>>>>>>> run queue for a little while. I'd put it right before the getimeofday()
>>>>>>> call on line 3908. Maybe sleep for 50 uSeconds?
>>>>>>>
>>>>>>> Try this patch:
>>>>>>>
>>>>>>> ==== //depot/argus/argus/argus/ArgusSource.c#104 - /Volumes/Users/carter/argus/argus/argus/ArgusSource.c ====
>>>>>>> 3907a3908,3910
>>>>>>>> struct timespec tsbuf = {0, 50000}, *ts = &tsbuf;
>>>>>>>> nanosleep(ts, NULL);
>>>>>>>>
>>>>>>>
>>>>>>> To see if that doesn't do something?
>>>>>>>
>>>>>>> Carter
>>>>
>>>> --
>>>> --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+-
>>>> Christopher Wakelin, c.d.wakelin at reading.ac.uk
>>>> IT Services Centre, The University of Reading, Tel: +44 (0)118 378 8439
>>>> Whiteknights, Reading, RG6 2AF, UK Fax: +44 (0)118 975 3094
>>>>
>>>
>>
>>
>
>
> --
> --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+-
> Christopher Wakelin, c.d.wakelin at reading.ac.uk
> IT Services Centre, The University of Reading, Tel: +44 (0)118 378 8439
> Whiteknights, Reading, RG6 2AF, UK Fax: +44 (0)118 975 3094
>
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