Messages in this thread | | | Date | Fri, 19 Aug 2016 15:24:20 +0800 | From | Aaron Lu <> | Subject | Re: [LKP] [lkp] [sctp] a6c2f79287: netperf.Throughput_Mbps -37.2% regression |
| |
On Fri, Aug 19, 2016 at 04:19:39AM -0300, Marcelo Ricardo Leitner wrote: > Hi, > > Em 19-08-2016 02:29, Aaron Lu escreveu: > ... > > It doesn't look insane and sctp_wait_for_sndbuf may actually have > > something to do with a larger sctp_chunk I suppose? > > > > The same perf record doesn't capture any sample for the good commit, > > which suggests the nerperf process doesn't sleep in sctp_wait_for_sndbuf. > > Ahhh yes! It does, and then it would mean your txbuf is too small for the > chunk sizes you're using (sctp tests option -m). > > What's your netperf cmdline again please?
netperf -4 -t SCTP_STREAM_MANY -c -C -l 300 -- -m 10K -H 127.0.0.1
Is the 10K used here a problem? If so, can you suggest a proper value for our netperf performance test? Thanks.
Regards, Aaron
| |