doc: implement REUSE with SPDX identifiers

[lttng-ust.git] / doc / examples / getcpu-override / README

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-This getcpu override example shows how to implement and load a getcpu
-override plugin for LTTng-UST. This can be useful in cases where direct
-hardware access is available for architecture-specific registers holding
-the CPU number, and where it should be used rather than the Linux kernel
-sched_getcpu() vDSO/syscall.