Quoting r. Nishanth Aravamudan <[EMAIL PROTECTED]>: > Subject: Re: [openib-general] Re: Re: Userspace testing results (manykernels, > many svn trees) > > On 24.01.2006 [23:19:52 +0200], Michael S. Tsirkin wrote: > > Quoting r. Nishanth Aravamudan <[EMAIL PROTECTED]>: > > > Subject: Re: [openib-general] Re: Re: Userspace testing results > > > (manykernels, many svn trees) > > > > > > On 24.01.2006 [21:39:23 +0200], Michael S. Tsirkin wrote: > > > > Quoting r. Roland Dreier <[EMAIL PROTECTED]>: > > > > > Subject: Re: [openib-general] Re: Re: Userspace testing results > > > > > (manykernels, many svn trees) > > > > > > > > > > Michael> 1 sec = 5.37731e+14 usec > > > > > > > > > > Michael> which seems to indicate something's still wrong. > > > > > > > > > > BTW this number is pretty close to 2^32 times bigger than 1e6, so the > > > > > problem is probably still using long long to return the result of > > > > > mftb (which will result in shifting the result by 32 bits, ie > > > > > multiplying by 2^32). > > > > > > > > Hmm. > > > > Maybe make clean wasnt run after updating? > > > > Could it be un on rev 5174? > > > > > > Heh, here's what happens with 5174: > > > > > > Correlation coefficient r^2: 0.773428 < 0.9 > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > 1 sec = inf usec > > > > > > And so forth... > > > > > > Thanks, > > > Nish > > > > Hmm. Looks like mftb is returning wrong data. > > Could you uncomment lines setting DEBUG and DEBUG_DATA at the top? > > This will print all mftb values out. > > Here you go: > > x=100 y=21172 > x=110 y=21985 > x=120 y=23709 > x=130 y=26136 > x=140 y=27815 > x=150 y=29919 > x=160 y=32063 > x=170 y=33921 > x=180 y=35829 > x=190 y=37941 > x=200 y=40042 > x=210 y=42064 > x=220 y=43935 > x=230 y=45957 > x=240 y=47818 > x=250 y=50004 > x=260 y=51942 > x=270 y=54173 > x=280 y=56043 > x=290 y=57951 > x=300 y=59798 > x=310 y=62034 > x=320 y=63812 > x=330 y=65928 > x=340 y=67835 > x=350 y=69929 > x=360 y=71869 > x=370 y=73876 > x=380 y=75872 > x=390 y=77927 > x=400 y=79865 > x=410 y=81923 > x=420 y=84076 > x=430 y=85937 > x=440 y=87819 > x=450 y=89999 > x=460 y=91831 > x=470 y=93975 > x=480 y=95994 > x=490 y=97743 > x=500 y=99868 > x=510 y=101917 > x=520 y=103806 > x=530 y=105724 > x=540 y=107811 > x=550 y=110012 > x=560 y=111876 > x=570 y=113934 > x=580 y=115857 > x=590 y=117735 > x=600 y=119811 > x=610 y=121907 > x=620 y=124025 > x=630 y=125983 > x=640 y=127945 > x=650 y=129729 > x=660 y=131898 > x=670 y=133723 > x=680 y=135868 > x=690 y=137742 > x=700 y=139815 > x=710 y=141800 > x=720 y=143812 > x=730 y=145768 > x=740 y=147790 > x=750 y=149935 > x=760 y=151826 > x=770 y=154003 > x=780 y=155618 > x=790 y=157746 > x=800 y=159846 > x=810 y=161874 > x=820 y=163914 > x=830 y=165901 > x=840 y=167634 > x=850 y=169793 > x=860 y=171833 > x=870 y=173895 > x=880 y=175657 > x=890 y=177807 > x=900 y=179827 > x=910 y=181875 > x=920 y=183834 > x=930 y=185884 > x=940 y=187860 > x=950 y=189922 > x=960 y=191883 > x=974 y=194497 > x=980 y=195672 > x=990 y=197907 > x=1000 y=199626 > x=1010 y=201735 > x=1020 y=203874 > x=1030 y=205728 > x=1040 y=207861 > x=1050 y=209737 > x=1060 y=211836 > x=1070 y=213749 > x=1080 y=215880 > x=1090 y=217817 > x=1100 y=219729 > x=1110 y=221755 > x=1120 y=223704 > x=1130 y=225783 > x=1140 y=227729 > x=1150 y=229786 > x=1160 y=232030 > x=1170 y=233770 > x=1180 y=235803 > x=1190 y=237791 > x=1200 y=239841 > x=1210 y=241768 > x=1220 y=243862 > x=1230 y=245735 > x=1240 y=247678 > x=1250 y=249795 > x=1260 y=251850 > x=1270 y=253771 > x=1280 y=255840 > x=1290 y=257928 > x=1300 y=259880 > x=1310 y=261752 > x=1320 y=263702 > x=1330 y=265601 > x=1340 y=267671 > x=1350 y=269570 > x=1360 y=271756 > x=1370 y=273750 > x=1380 y=275702 > x=1390 y=277765 > x=1400 y=279695 > x=1410 y=281620 > x=1420 y=283692 > x=1430 y=285587 > x=1440 y=287872 > x=1450 y=289621 > x=1460 y=291676 > x=1470 y=293590 > x=1480 y=295702 > x=1490 y=297790 > x=1500 y=299529 > x=1510 y=301597 > x=1520 y=303741 > x=1530 y=305806 > x=1540 y=307870 > x=1550 y=309780 > x=1560 y=311539 > x=1570 y=313756 > x=1580 y=315725 > x=1590 y=317589 > x=1600 y=319559 > x=1610 y=321651 > x=1620 y=323878 > x=1630 y=325848 > x=1640 y=327742 > x=1650 y=329615 > x=1660 y=331551 > x=1670 y=333784 > x=1680 y=335505 > x=1690 y=337610 > x=1700 y=339742 > x=1710 y=341609 > x=1720 y=343717 > x=1730 y=345641 > x=1740 y=347780 > x=1750 y=349626 > x=1760 y=351749 > x=1770 y=353782 > x=1780 y=355740 > x=1790 y=357413 > x=1800 y=359755 > x=1810 y=361621 > x=1820 y=363584 > x=1830 y=365768 > x=1840 y=367582 > x=1850 y=369810 > x=1860 y=371521 > x=1870 y=373702 > x=1880 y=375905 > x=1890 y=377659 > x=1900 y=379704 > x=1910 y=381626 > x=1920 y=383601 > x=1930 y=385635 > x=1940 y=387715 > x=1950 y=389671 > x=1960 y=391704 > x=1970 y=393599 > x=1980 y=395572 > x=1990 y=397692 > x=2000 y=399776 > x=2010 y=401853 > x=2020 y=403711 > x=2030 y=405478 > x=2040 y=407577 > x=2050 y=409618 > x=2060 y=411603 > x=2070 y=413642 > x=2080 y=415601 > x=2090 y=417823 > a = -8.02523 > b = 199.818 > a / b = -0.0401626 > r^2 = 0.999999 > Warning: measured timestamp frequency 199.818 differs from nominal 1600 MHz > 1 sec = 1.00195e+06 usec > 1 sec = 1.00198e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec > 1 sec = 1.00207e+06 usec
Seems to work fine now ... what changed? Time to try rdma_lat/rdma_bw I guess. > Just an FYI, when I tried redirecting stdout and stderr to a file, the > program never would print the "1 sec = ..." lines. If I just redirect > stderr (which I had to grab all the numbers above), it works fine. Dunno > what's up with that or if it's just a problem on my end. Probably, I'm just using stderr/stdout. -- MST _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
