Hi Brice, I would like to get your opinion on the following issue. On IBM LPAR, kernel reports die_id and physical_package_id to be -1. See [0]
hwloc-calc converts these values into an unsigned integer, resulting in Socket ID 2^32-1: hwloc-calc --physical-output --intersect socket core:0 4294967295 I'm not quite sure why are die_id and physical_package_id set to -1. Perhaps it signalizes some error condition. I will try to find out. However, I think that hwloc-calc should store the values as an unsigned integers and represent them the same way as kernel. BTW, when using hwloc API, I'm getting the correct values: obj[0] = hwloc_get_pu_obj_by_os_index(topology, pu_hier]); obj[2] = hwloc_get_ancestor_obj_by_type (topology, HWLOC_OBJ_SOCKET, obj[0]); obj[2]->os_index => -1 What are your thoughts? Thanks a lot! Jirka [0] /sys/devices/system/cpu/cpu1/topology $ cat die_id -1 $ cat physical_package_id -1
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