Module debug::perf

#include <std/debug/perf.h> source

Performance Counters Hardware performance counter access (x86-64 RDTSC, AArch64 PMCCNTR, RISC-V cycle). Freestanding-safe.

Structs

perf_read_cycle	Read the raw cycle counter for the current arch.
perf_read_ns	Read timestamp in nanoseconds (best-effort; returns 0 in freestanding without freq).

PERF_BEGIN
PERF_END