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by madog
306 days ago
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Just use gettimeofday/clock_gettime via vDSO. struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
On arm64 it directly uses the cntvct_el0 register under the hood but with a standard/easy to use API instead of messing about with inline assembly. Also avoids a context switch because it's vDSO. |
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