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https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 02:05:57 +01:00
dae60aa248
Then inside, split packages/lkmc into kernel_modules and userland, to keep userland out of the kernel_modules parent path, which makes no sense. Copy built modules and userland to the output rootfs overlay. Document Linux distro tradeoffs.
21 lines
373 B
C
21 lines
373 B
C
/* https://github.com/cirosantilli/linux-kernel-module-cheat#rdtsc */
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(__i386__) || defined(__x86_64__)
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#include <x86intrin.h>
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#endif
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int main(void) {
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uintmax_t val;
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#if defined(__i386__) || defined(__x86_64__)
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val = __rdtsc();
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#else
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val = 0;
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#endif
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printf("%ju\n", val);
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return EXIT_SUCCESS;
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}
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