WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted, check /p

[gunsoy]

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WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,
check /proc/sys/kernel/kptr_restrict.

Samples in kernel functions may not be resolved if a suitable vmlinux
file is not found in the buildid cache or in the vmlinux path.

Samples in kernel modules won't be resolved at all.

If some relocation was applied (e.g. kexec) symbols may be misresolved
even with a suitable vmlinux or kallsyms file.

[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.117 MB perf.data (~5117 samples) ]
[kernel.kallsyms] with build id 4d98c6253ca172fe64acd700b031b925606a3e09 not found, continuing without symbols
server/SDL2_2/bin/Debug/SDL2_2: Segmentation fault