Please see the error message and system info below. What could be wrong here? Thanks. user@yyy:~$ sudo /opt/intel/vtune_amplifier_xe/bin64/amplxe-cl -collect lightweight-hotspots -follow-child -target-duration-type=short -no-allow-multiple-runs -no-analyze-system -data-limit=100 -slow-frames-threshold=40 -fast-frames-threshold=100 --duration 10 --target-pid 1709 2> osi_DLL_Error: libUnknown.so: ca 2> nnot open shared object file: No 2>  such file or directory 2> Unable to open shared library: l 2> ibUnknown.so Error: There are no valid events specified - Sampling aborted. 2> Run parameters are not valid - A 2> borting sampling run ... 2> Sampling collector options are i 2> ncorrect; collection cannot cont 2> inue. Please try again. user@yyy:~$ amplxe-cl -V Intel® VTune™ Amplifier XE 2011 Update 9 (build 229127) Command Line Tool Copyright (C) 2009-2012 Intel Corporation. All rights reserved. user@yyy:~$ cat /proc/cpuinfo  processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel® Xeon™ CPU 3.80GHz stepping : 10 cpu MHz : 3800.118 cache size : 2048 KB fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts pni dtes64 monitor ds_cpl est tm2 cid cx16 xtpr lahf_lm bogomips : 7600.23 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel® Xeon™ CPU 3.80GHz stepping : 10 cpu MHz : 3800.118 cache size : 2048 KB fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts pni dtes64 monitor ds_cpl est tm2 cid cx16 xtpr lahf_lm bogomips : 7600.32 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: user@yyy:~$ uname -a Linux  2.6.32-42-server #95-Ubuntu SMP Wed Jul 25 16:10:49 UTC 2012 x86_64 GNU/Linux