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Ciro Santilli 六四事件 法轮功 ca231b82f6 get rid of lkmc package, move userland and kernel-modules to top
Rationale: we already had a non buildroot build system,
maintaining both will be hard, and having short paths is more awesome.
2018-10-25 00:00:02 +00:00

21 lines
373 B
C

/* https://github.com/cirosantilli/linux-kernel-module-cheat#rdtsc */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#if defined(__i386__) || defined(__x86_64__)
#include <x86intrin.h>
#endif
int main(void) {
uintmax_t val;
#if defined(__i386__) || defined(__x86_64__)
val = __rdtsc();
#else
val = 0;
#endif
printf("%ju\n", val);
return EXIT_SUCCESS;
}