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I tried to run vtune but failed as below. I could not su to be root.
-Ikei
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ubuntu@vmopfdtd:~/OpenFDTD_SYCL$ vtune -collect gpu-offload -- ./ofd_sycl data/sample/1st_sample.ofd
vtune: Error: Cannot collect GPU hardware metrics due to a lack of permissions. Use root privileges (recommended) or re-configure your current permissions to make sure you are a member of the render group and /proc/sys/dev/i915/perf_stream_paranoid value is set to 0.
vtune: Error: To run this analysis, do one of the following:
* Set the Stack size option to the unlimited value (0 in command line).
* Provide access to the performance events system with the /proc/sys/kernel/perf_event_paranoid value set to 2 or lower.
You can also configure driverless collection using Perf tool capabilities.
vtune: Warning: Access to /proc/kallsyms file is limited. Consider changing /proc/sys/kernel/kptr_restrict to 0 to enable resolution of OS kernel and kernel module symbols.
vtune: Error: Unlimited stack size (0) not allowed in driverless mode.
ubuntu@vmopfdtd:~/OpenFDTD_SYCL$ emon -v
EMON Version .............. V11.50 Beta
Copyright(C) 1993 Intel Corporation. All rights reserved.
Application Build Date: Nov 12 2024 at 11:04:54
SEP Driver Version: Error retrieving SEP driver version
PAX Driver Version: Error retrieving PAX driver version
Linux Kernel Version: 5.15.0-130-generic
Collection Mode: Driver
Device Type ............... Intel(R) Xeon(R) Processor code named Sapphirerapids
EMON Database ............. sapphirerapids_server
Platform type ............. 131
Error: No further information is available since drivers are not loaded.
Failed to communicate with sep driver. Please check if driver is properly loaded
Problem accessing the sampling driver. The driver may need to be (re)installed with appropriate group/file permissions
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It worked as follows. Thank you. -Ikei
===
ubuntu@vmopfdtd:~/OpenFDTD_SYCL$ sudo /opt/intel/oneapi/vtune/2025.0/bin64/vtune -collect gpu-offload -- ./ofd_sycl data
/sample/1st_sample.ofd
vtune: Warning: CPU frequency data collection is not supported on this platform.
vtune: Warning: To profile kernel modules during the session, make sure they are available in the /lib/modules/kernel_version/ location.
v...
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Hi Ikei,
Thank you for reaching out to us.
To run Vtune, root privileges are required. Simply add the sudo command when executing Vtune, and it will run with the necessary privileges.
Hope this helps.
Regards,
Luqman
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It worked as follows. Thank you. -Ikei
===
ubuntu@vmopfdtd:~/OpenFDTD_SYCL$ sudo /opt/intel/oneapi/vtune/2025.0/bin64/vtune -collect gpu-offload -- ./ofd_sycl data
/sample/1st_sample.ofd
vtune: Warning: CPU frequency data collection is not supported on this platform.
vtune: Warning: To profile kernel modules during the session, make sure they are available in the /lib/modules/kernel_version/ location.
v...
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Hi Ikei,
This thread will no longer be monitored since this issue has been resolved. If you need any additional information from Intel, please submit a new question.
Regards,
Luqman

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