https://community.intel.com/t5/Analyzers/Missing-infomration-at-memoery-access-analysis/m-p/1102791#M15973 <P>Hi, I run the memory-access analysis on a machine with Intel Xeon E5 processor. (CentOS 7, kernel 3.1)</P> <P>amplxe-cl -collect memory-access --target-pid 787&nbsp;-knob analyze-mem-objects=true -knob mem-object-size-min-thres=16</P> <P>I have two problems:</P> <P>(1) The profiled results show DRAM Bandwidth per socket and CPU Time per socket. But there is no information on QPI-related information which is necessary to see the effects of NUMA memory accesses.</P> <P>(2) The profiled results does not show any memory access information to the objects.</P> <P>What can be the possible cause of this lack of information? Where should I start to tackle the problem?</P> Fri, 24 Feb 2017 06:55:41 GMT seongyun_k_ 2017-02-24T06:55:41Z https://community.intel.com/t5/Analyzers/Missing-infomration-at-memoery-access-analysis/m-p/1102791#M15973 <P>Hi, I run the memory-access analysis on a machine with Intel Xeon E5 processor. (CentOS 7, kernel 3.1)</P> <P>amplxe-cl -collect memory-access --target-pid 787&nbsp;-knob analyze-mem-objects=true -knob mem-object-size-min-thres=16</P> <P>I have two problems:</P> <P>(1) The profiled results show DRAM Bandwidth per socket and CPU Time per socket. But there is no information on QPI-related information which is necessary to see the effects of NUMA memory accesses.</P> <P>(2) The profiled results does not show any memory access information to the objects.</P> <P>What can be the possible cause of this lack of information? Where should I start to tackle the problem?</P> Fri, 24 Feb 2017 06:55:41 GMT https://community.intel.com/t5/Analyzers/Missing-infomration-at-memoery-access-analysis/m-p/1102791#M15973 seongyun_k_ 2017-02-24T06:55:41Z