[openib-general] Re: Re: Userspace testing results (many kernels, many svn trees)

Nishanth Aravamudan nacc at us.ibm.com
Mon Jan 23 15:34:38 PST 2006


On 23.01.2006 [23:22:45 +0200], Michael S. Tsirkin wrote:
> Quoting r. Nishanth Aravamudan <nacc at us.ibm.com>:
> > Subject: Re: Re: Userspace testing results (many kernels,many svn trees)
> > 
> > On 23.01.2006 [10:24:12 -0800], Nishanth Aravamudan wrote:
> > > On 23.01.2006 [19:55:05 +0200], Michael S. Tsirkin wrote:
> > > > Quoting r. Shirley Ma <xma at us.ibm.com>:
> > > > > Subject: Re: Re: Userspace testing results (many kernels,?many svn trees)
> > > > > 
> > > > > 
> > > > > >If true, it seems that this line
> > > > > >typedef unsigned long long cycles_t;
> > > > > >should be replaced by
> > > > > >typedef unsigned long cycles_t; 
> > > > > 
> > > > > Yes. 
> > > > 
> > > > OK, I did it this way.
> > > > # svn ci get_clock.h
> > > >  Sending        get_clock.h
> > > >  Transmitting file data .
> > > >  Committed revision 5163.
> > > > 
> > > > You might want to try this rev out.
> > > 
> > > heh, ok. I'm going to let the 5162 version of a 32/32 setup finish,
> > > then run 5163.
> > 
> > Looks like 5162/5163 is fine building wise. Here is what I got for
> > rdma_lat for a 32-bit server and 32-bit client:
> > 
> > loading libehca   local address: LID 0x0d QPN 0x140406 PSN 0x253f3e RKey 0x2340032 VAddr 0x00000010019001
> >   remote address: LID 0x08 QPN 0x140406 PSN 0xa79d77 RKey 0x2340032 VAddr 0x00000010019001
> >   Latency typical: 3.25746e+09 usec
> >   Latency best   : 3.19975e+09 usec
> >   Latency worst  : 4.21767e+10 usec
> > 
> > and for rdma_bw:
> > 
> > loading libehca  local address:  LID 0x0d, QPN 0x150406, PSN 0x1b3ee5 RKey 0x23a0032 VAddr 0x000000f7fce000
> >   remote address: LID 0x08, QPN 0x150406, PSN 0x2fa0a9, RKey 0x23a0032 VAddr 0x000000f7fb8000
> >   Bandwidth peak (#0 to #999): 4.3446e-07 MB/sec
> >   Bandwidth average: 4.3446e-07 MB/sec
> >   Service Demand peak (#0 to #999): 17301 cycles/KB
> >   Service Demand Avg  : 0 cycles/KB
> > 
> > So it's still present...
> > 
> > Thanks,
> > Nish
> 
> Hmm. Could you please try running e.g. rdma_lat with -H to get all the results?

rdma_lat -H:

loading libehca   local address: LID 0x0d QPN 0x140406 PSN 0x304b04 RKey 0x2340032 VAddr 0x00000010019001
  remote address: LID 0x08 QPN 0x140406 PSN 0xc99ca RKey 0x2340032 VAddr 0x00000010019001
#, usec
1, 3.20378e+09
2, 3.20646e+09
3, 3.21451e+09
4, 3.21586e+09
5, 3.2172e+09
6, 3.21854e+09
7, 3.21854e+09
8, 3.21988e+09
9, 3.21988e+09
10, 3.22123e+09
11, 3.22123e+09
12, 3.22123e+09
13, 3.22123e+09
14, 3.22123e+09
15, 3.22123e+09
16, 3.22257e+09
17, 3.22257e+09
18, 3.22257e+09
19, 3.22257e+09
20, 3.22391e+09
21, 3.22391e+09
22, 3.22391e+09
23, 3.22391e+09
24, 3.22391e+09
25, 3.22391e+09
26, 3.22391e+09
27, 3.22391e+09
28, 3.22391e+09
29, 3.22391e+09
30, 3.22391e+09
31, 3.22525e+09
32, 3.22525e+09
33, 3.22525e+09
34, 3.22525e+09
35, 3.22525e+09
36, 3.22525e+09
37, 3.22525e+09
38, 3.22659e+09
39, 3.22659e+09
40, 3.22659e+09
41, 3.22659e+09
42, 3.22659e+09
43, 3.22659e+09
44, 3.22659e+09
45, 3.22659e+09
46, 3.22794e+09
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651, 3.26418e+09
652, 3.26418e+09
653, 3.26418e+09
654, 3.26418e+09
655, 3.26418e+09
656, 3.26418e+09
657, 3.26418e+09
658, 3.26418e+09
659, 3.26418e+09
660, 3.26552e+09
661, 3.26552e+09
662, 3.26552e+09
663, 3.26552e+09
664, 3.26552e+09
665, 3.26552e+09
666, 3.26552e+09
667, 3.26552e+09
668, 3.26552e+09
669, 3.26552e+09
670, 3.26552e+09
671, 3.26552e+09
672, 3.26552e+09
673, 3.26552e+09
674, 3.26552e+09
675, 3.26552e+09
676, 3.26552e+09
677, 3.26552e+09
678, 3.26552e+09
679, 3.26552e+09
680, 3.26552e+09
681, 3.26552e+09
682, 3.26552e+09
683, 3.26552e+09
684, 3.26552e+09
685, 3.26552e+09
686, 3.26552e+09
687, 3.26552e+09
688, 3.26552e+09
689, 3.26686e+09
690, 3.26686e+09
691, 3.26686e+09
692, 3.26686e+09
693, 3.26686e+09
694, 3.26686e+09
695, 3.26686e+09
696, 3.26686e+09
697, 3.26686e+09
698, 3.26686e+09
699, 3.26686e+09
700, 3.26686e+09
701, 3.26686e+09
702, 3.26686e+09
703, 3.26686e+09
704, 3.26686e+09
705, 3.26686e+09
706, 3.26686e+09
707, 3.26686e+09
708, 3.26686e+09
709, 3.26686e+09
710, 3.26686e+09
711, 3.26686e+09
712, 3.26686e+09
713, 3.26686e+09
714, 3.26686e+09
715, 3.26686e+09
716, 3.26686e+09
717, 3.26686e+09
718, 3.2682e+09
719, 3.2682e+09
720, 3.2682e+09
721, 3.2682e+09
722, 3.2682e+09
723, 3.2682e+09
724, 3.2682e+09
725, 3.2682e+09
726, 3.2682e+09
727, 3.2682e+09
728, 3.2682e+09
729, 3.2682e+09
730, 3.2682e+09
731, 3.2682e+09
732, 3.2682e+09
733, 3.2682e+09
734, 3.2682e+09
735, 3.2682e+09
736, 3.2682e+09
737, 3.2682e+09
738, 3.2682e+09
739, 3.2682e+09
740, 3.2682e+09
741, 3.2682e+09
742, 3.2682e+09
743, 3.2682e+09
744, 3.26954e+09
745, 3.26954e+09
746, 3.26954e+09
747, 3.26954e+09
748, 3.26954e+09
749, 3.26954e+09
750, 3.26954e+09
751, 3.26954e+09
752, 3.26954e+09
753, 3.26954e+09
754, 3.26954e+09
755, 3.26954e+09
756, 3.26954e+09
757, 3.26954e+09
758, 3.26954e+09
759, 3.26954e+09
760, 3.26954e+09
761, 3.26954e+09
762, 3.26954e+09
763, 3.26954e+09
764, 3.26954e+09
765, 3.26954e+09
766, 3.26954e+09
767, 3.27089e+09
768, 3.27089e+09
769, 3.27089e+09
770, 3.27089e+09
771, 3.27089e+09
772, 3.27089e+09
773, 3.27089e+09
774, 3.27089e+09
775, 3.27089e+09
776, 3.27089e+09
777, 3.27089e+09
778, 3.27089e+09
779, 3.27089e+09
780, 3.27089e+09
781, 3.27089e+09
782, 3.27089e+09
783, 3.27089e+09
784, 3.27089e+09
785, 3.27089e+09
786, 3.27089e+09
787, 3.27089e+09
788, 3.27089e+09
789, 3.27089e+09
790, 3.27223e+09
791, 3.27223e+09
792, 3.27223e+09
793, 3.27223e+09
794, 3.27223e+09
795, 3.27223e+09
796, 3.27223e+09
797, 3.27223e+09
798, 3.27223e+09
799, 3.27223e+09
800, 3.27223e+09
801, 3.27223e+09
802, 3.27223e+09
803, 3.27223e+09
804, 3.27223e+09
805, 3.27223e+09
806, 3.27223e+09
807, 3.27223e+09
808, 3.27223e+09
809, 3.27223e+09
810, 3.27357e+09
811, 3.27357e+09
812, 3.27357e+09
813, 3.27357e+09
814, 3.27357e+09
815, 3.27357e+09
816, 3.27357e+09
817, 3.27357e+09
818, 3.27357e+09
819, 3.27357e+09
820, 3.27491e+09
821, 3.27491e+09
822, 3.27491e+09
823, 3.27491e+09
824, 3.27491e+09
825, 3.27491e+09
826, 3.27491e+09
827, 3.27491e+09
828, 3.27491e+09
829, 3.27491e+09
830, 3.27491e+09
831, 3.27491e+09
832, 3.27491e+09
833, 3.27625e+09
834, 3.27625e+09
835, 3.27625e+09
836, 3.27625e+09
837, 3.27625e+09
838, 3.27625e+09
839, 3.27625e+09
840, 3.27625e+09
841, 3.27625e+09
842, 3.27625e+09
843, 3.27625e+09
844, 3.27625e+09
845, 3.2776e+09
846, 3.2776e+09
847, 3.2776e+09
848, 3.2776e+09
849, 3.2776e+09
850, 3.2776e+09
851, 3.2776e+09
852, 3.2776e+09
853, 3.2776e+09
854, 3.2776e+09
855, 3.2776e+09
856, 3.2776e+09
857, 3.2776e+09
858, 3.2776e+09
859, 3.27894e+09
860, 3.27894e+09
861, 3.27894e+09
862, 3.27894e+09
863, 3.27894e+09
864, 3.27894e+09
865, 3.27894e+09
866, 3.27894e+09
867, 3.27894e+09
868, 3.27894e+09
869, 3.27894e+09
870, 3.28028e+09
871, 3.28028e+09
872, 3.28028e+09
873, 3.28028e+09
874, 3.28028e+09
875, 3.28028e+09
876, 3.28028e+09
877, 3.28028e+09
878, 3.28028e+09
879, 3.28028e+09
880, 3.28028e+09
881, 3.28028e+09
882, 3.28028e+09
883, 3.28028e+09
884, 3.28028e+09
885, 3.28162e+09
886, 3.28162e+09
887, 3.28162e+09
888, 3.28162e+09
889, 3.28162e+09
890, 3.28162e+09
891, 3.28162e+09
892, 3.28162e+09
893, 3.28162e+09
894, 3.28297e+09
895, 3.28297e+09
896, 3.28297e+09
897, 3.28297e+09
898, 3.28297e+09
899, 3.28297e+09
900, 3.28431e+09
901, 3.28431e+09
902, 3.28431e+09
903, 3.28431e+09
904, 3.28431e+09
905, 3.28431e+09
906, 3.28431e+09
907, 3.28431e+09
908, 3.28431e+09
909, 3.28431e+09
910, 3.28431e+09
911, 3.28431e+09
912, 3.28431e+09
913, 3.28565e+09
914, 3.28565e+09
915, 3.28565e+09
916, 3.28565e+09
917, 3.28565e+09
918, 3.28565e+09
919, 3.28699e+09
920, 3.28699e+09
921, 3.28699e+09
922, 3.28699e+09
923, 3.28699e+09
924, 3.28699e+09
925, 3.28833e+09
926, 3.28833e+09
927, 3.28833e+09
928, 3.28833e+09
929, 3.28833e+09
930, 3.28833e+09
931, 3.28833e+09
932, 3.28968e+09
933, 3.28968e+09
934, 3.28968e+09
935, 3.28968e+09
936, 3.28968e+09
937, 3.28968e+09
938, 3.29102e+09
939, 3.29102e+09
940, 3.29236e+09
941, 3.29236e+09
942, 3.29236e+09
943, 3.29236e+09
944, 3.29236e+09
945, 3.2937e+09
946, 3.2937e+09
947, 3.2937e+09
948, 3.29505e+09
949, 3.29505e+09
950, 3.29639e+09
951, 3.29773e+09
952, 3.29773e+09
953, 3.29773e+09
954, 3.29773e+09
955, 3.29773e+09
956, 3.29907e+09
957, 3.29907e+09
958, 3.30041e+09
959, 3.30041e+09
960, 3.30176e+09
961, 3.30176e+09
962, 3.30176e+09
963, 3.30176e+09
964, 3.3031e+09
965, 3.3031e+09
966, 3.30444e+09
967, 3.30578e+09
968, 3.30578e+09
969, 3.30578e+09
970, 3.30578e+09
971, 3.30578e+09
972, 3.30712e+09
973, 3.30712e+09
974, 3.30847e+09
975, 3.30981e+09
976, 3.31518e+09
977, 3.31518e+09
978, 3.31652e+09
979, 3.32055e+09
980, 3.32323e+09
981, 3.32592e+09
982, 3.32592e+09
983, 3.32726e+09
984, 3.3286e+09
985, 3.33128e+09
986, 3.33128e+09
987, 3.33397e+09
988, 3.35142e+09
989, 3.35544e+09
990, 3.35679e+09
991, 3.70575e+09
992, 4.54998e+09
993, 4.68554e+09
994, 5.29757e+09
995, 5.413e+09
996, 8.53222e+09
997, 9.34558e+09
998, 1.00247e+10
999, 4.0715e+10
Latency typical: 3.25746e+09 usec
Latency best   : 3.20378e+09 usec
Latency worst  : 4.0715e+10 usec

rdma_bw -H:

reports invalid usage :/



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