I have just found that cat /sys/devices/system/cpu/cpu*/topology/physical_package_id -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
which seems to be wrong..... Jirka On Thursday, August 05, 2010 12:19:41 am Jirka Hladky wrote: > Hi, > > I just got access to one POWER7 box. Both hwloc 1.0.2 and latest hwloc 1.1 > seem to have problems to detect the sockets correctly. > > It's IBM 8406-71Y server equipped with only one socket. On the chip there > are 8 cores. lstopo seems to be wrong here, reporting 8 sockets. > > I'm not sure if this problem arose in linux kernel or it's bug in lstopo > code. Does anybody else tried to run hwloc on POWER7? > > Thanks > Jirka > > > Kernel: 2.6.32-54.el6.ppc64 > > r...@ibm-js24-01.lab.bos.redhat.com: /tmp/hwloc-1.1a1r2387/utils > $ ./lstopo > Machine (7616MB) > Socket #0 + L3 #0 (4096KB) + L2 #0 (256KB) + L1 #0 (32KB) + Core #0 > PU #0 (phys=0) > PU #1 (phys=1) > PU #2 (phys=2) > PU #3 (phys=3) > Socket #1 + L3 #1 (4096KB) + L2 #1 (256KB) + L1 #1 (32KB) + Core #1 > PU #4 (phys=4) > PU #5 (phys=5) > PU #6 (phys=6) > PU #7 (phys=7) > Socket #2 + L3 #2 (4096KB) + L2 #2 (256KB) + L1 #2 (32KB) + Core #2 > PU #8 (phys=8) > PU #9 (phys=9) > PU #10 (phys=10) > PU #11 (phys=11) > Socket #3 + L3 #3 (4096KB) + L2 #3 (256KB) + L1 #3 (32KB) + Core #3 > PU #12 (phys=12) > PU #13 (phys=13) > PU #14 (phys=14) > PU #15 (phys=15) > Socket #4 + L3 #4 (4096KB) + L2 #4 (256KB) + L1 #4 (32KB) + Core #4 > PU #16 (phys=16) > PU #17 (phys=17) > PU #18 (phys=18) > PU #19 (phys=19) > Socket #5 + L3 #5 (4096KB) + L2 #5 (256KB) + L1 #5 (32KB) + Core #5 > PU #20 (phys=20) > PU #21 (phys=21) > PU #22 (phys=22) > PU #23 (phys=23) > Socket #6 + L3 #6 (4096KB) + L2 #6 (256KB) + L1 #6 (32KB) + Core #6 > PU #24 (phys=24) > PU #25 (phys=25) > PU #26 (phys=26) > PU #27 (phys=27) > Socket #7 + L3 #7 (4096KB) + L2 #7 (256KB) + L1 #7 (32KB) + Core #7 > PU #28 (phys=28) > PU #29 (phys=29) > PU #30 (phys=30) > PU #31 (phys=31) > _______________________________________________ > hwloc-devel mailing list > hwloc-de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-devel
