-----Original Message----- From: wireshark-dev-boun...@wireshark.org [mailto:wireshark-dev-boun...@wireshark.org] On Behalf Of Guy Harris Sent: den 27 mars 2017 22:33 To: Developer support list for Wireshark <wireshark-dev@wireshark.org> Subject: Re: [Wireshark-dev] Why does the extcap stuff take so long to start up?
On Mar 27, 2017, at 1:14 PM, Guy Harris <g...@alum.mit.edu> wrote: >> Currently, with that fix, I get results like >> >> $ time ./tshark -r /tmp/nothing.pcap >> >> real 0m1.407s >> user 0m0.312s >> sys 0m0.676s >> >> with the extcap directory in place and results like >> >> $ time ./tshark -r /tmp/nothing.pcap >> >> real 0m0.334s >> user 0m0.182s >> sys 0m0.146s >> with the extcap directory moved out of the way, so the extcap executables >> are taking some time to run, but it's better than wasting time trying to run >> androiddump.c or Makefile.am. >And, if I move various extcap executables out of the way: > >$ time ./tshark -r /tmp/nothing.pcap # all executables > >real 0m1.484s >user 0m0.313s >sys 0m0.720s > >$ time ./tshark -r /tmp/nothing.pcap # after removing androiddump > >real 0m1.179s >user 0m0.287s >sys 0m0.588s > >$ time ./tshark -r /tmp/nothing.pcap # after removing ciscodump > >real 0m0.950s >user 0m0.254s >sys 0m0.491s > >$ time ./tshark -r /tmp/nothing.pcap # after removing randpktcdump > >real 0m0.688s >user 0m0.228s >sys 0m0.334s > >$ time ./tshark -r /tmp/nothing.pcap # after removing sshdump > >real 0m0.493s >user 0m0.198s >sys 0m0.235s > >$ time ./tshark -r /tmp/nothing.pcap # after removing udpdump > >real 0m0.335s >user 0m0.183s >sys 0m0.145s > >So that's about .3 seconds for androiddump, about .23 seconds for ciscodump, >about .26 seconds for randpktcdump, about .19 seconds for sshdump, and about >.16 seconds for usbdump. > >So none of them are individually out of the ordinary, but about 1.5 to 2.5 >seconds per program, with 5 programs, adds up. > Would it be possible to run them in parallel? Regards Anders ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> Archives: https://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> Archives: https://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe
