Jean-Baptiste Boric 0286160b62 Kernel: Add syscall performance event type ...

This allows tracing the syscalls made by a thread through the kernel's
performance event framework, which is similar in principle to strace.

Currently, this merely logs a stack backtrace to the current thread's
performance event buffer whenever a syscall is made, if profiling is
enabled. Future improvements could include tracing the arguments and
the return value, for example.

2021-08-10 21:55:48 +02:00

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