Function estimateObjectIdleTime

src/evict.cpp:93–101

Given an object returns the min number of milliseconds the object was never * requested, using an approximated LRU algorithm. */

/* Given an object returns the min number of milliseconds the object was never
 * requested, using an approximated LRU algorithm. */
unsigned long long estimateObjectIdleTime(robj_roptr o) {
    unsigned long long lruclock = LRU_CLOCK();
    if (lruclock >= o->lru) {
        return (lruclock - o->lru) * LRU_CLOCK_RESOLUTION;
    } else {
        return (lruclock + (LRU_CLOCK_MAX - o->lru)) *
                    LRU_CLOCK_RESOLUTION;
    }
}

unsigned long long getIdle(robj *obj, const expireEntry *e) {
    unsigned long long idle;