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16 lines
347 B
C
16 lines
347 B
C
/* https://cirosantilli.com/linux-kernel-module-cheat#x86-rdtscp-instruction */
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#include <inttypes.h>
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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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#include <x86intrin.h>
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int main(void) {
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uint32_t pid;
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printf("0x%016" PRIX64 "\n", (uint64_t)__rdtscp(&pid));
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printf("0x%08" PRIX32 "\n", pid);
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return EXIT_SUCCESS;
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}
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