#include #include #include "tsc.h" u64 perf_time_to_tsc(u64 ns, struct perf_tsc_conversion *tc) { u64 t, quot, rem; t = ns - tc->time_zero; quot = t / tc->time_mult; rem = t % tc->time_mult; return (quot << tc->time_shift) + (rem << tc->time_shift) / tc->time_mult; } u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc) { u64 quot, rem; quot = cyc >> tc->time_shift; rem = cyc & (((u64)1 << tc->time_shift) - 1); return tc->time_zero + quot * tc->time_mult + ((rem * tc->time_mult) >> tc->time_shift); } u64 __weak rdtsc(void) { return 0; } table id='header'> cgit logo index : net-next.git
net-next plumbingsTobias Klauser
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