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#include <x86intrin.h>
#include <unistd.h>
#include <inttypes.h>
#include <string.h>
#include "util.h"
void force_read(const void *p) {
(void)*(volatile char *)p;
}
void flush_cache_line(const void *memory) {
_mm_clflush(memory);
_mm_mfence();
for (int i = 0; i < 10000; i++) {}
}
uint64_t time_read(const void *memory) {
uint64_t start = __rdtsc();
_mm_lfence();
force_read(memory);
_mm_mfence();
_mm_lfence();
uint64_t result = __rdtsc() - start;
_mm_mfence();
_mm_lfence();
return result;
}
/*
void flush_oracle(page_t *pages) {
for (int i = 0; i < NUM_CHAR_VALUES; i++) {
flush_cache_line(&pages[i]);
}
}
*/