block/blk-mq.c

1984

unsigned int ewma;

block/blk-mq.c

1986

ewma = hctx->dispatch_busy;

block/blk-mq.c

1988

if (!ewma && !busy)

block/blk-mq.c

1991

ewma *= BLK_MQ_DISPATCH_BUSY_EWMA_WEIGHT - 1;

block/blk-mq.c

1993

ewma += 1 << BLK_MQ_DISPATCH_BUSY_EWMA_FACTOR;

block/blk-mq.c

1994

ewma /= BLK_MQ_DISPATCH_BUSY_EWMA_WEIGHT;

block/blk-mq.c

1996

hctx->dispatch_busy = ewma;

drivers/md/bcache/util.h

409

#define ewma_add(ewma, val, weight, factor) \

drivers/md/bcache/util.h

411

(ewma) *= (weight) - 1; \

drivers/md/bcache/util.h

412

(ewma) += (val) << factor; \

drivers/md/bcache/util.h

413

(ewma) /= (weight); \

drivers/md/bcache/util.h

414

(ewma) >> factor; \

drivers/net/wireless/ralink/rt2x00/rt2x00link.c

25

static inline int rt2x00link_get_avg_rssi(struct ewma_rssi *ewma)

drivers/net/wireless/ralink/rt2x00/rt2x00link.c

29

avg = ewma_rssi_read(ewma);

kernel/sched/fair.c

5564

unsigned int ewma, dequeued, last_ewma_diff;

kernel/sched/fair.c

5570

ewma = READ_ONCE(se->avg.util_est);

kernel/sched/fair.c

5576

if (ewma & UTIL_AVG_UNCHANGED)

kernel/sched/fair.c

5586

if (ewma <= dequeued) {

kernel/sched/fair.c

5587

ewma = dequeued;

kernel/sched/fair.c

5595

last_ewma_diff = ewma - dequeued;

kernel/sched/fair.c

5622

ewma <<= UTIL_EST_WEIGHT_SHIFT;

kernel/sched/fair.c

5623

ewma -= last_ewma_diff;

kernel/sched/fair.c

5624

ewma >>= UTIL_EST_WEIGHT_SHIFT;

kernel/sched/fair.c

5626

ewma |= UTIL_AVG_UNCHANGED;

kernel/sched/fair.c

5627

WRITE_ONCE(se->avg.util_est, ewma);

mm/ksm.c

439

change = ewma(advisor_ctx.change, change);

net/ipv4/tcp_input.c

506

u32 ewma;

net/ipv4/tcp_input.c

517

ewma = delivered_pkts << PKTS_ACKED_PREC;

net/ipv4/tcp_input.c

519

ewma = tp->pkts_acked_ewma;

net/ipv4/tcp_input.c

520

ewma = (((ewma << PKTS_ACKED_WEIGHT) - ewma) +

net/ipv4/tcp_input.c

524

tp->pkts_acked_ewma = min_t(u32, ewma, 0xFFFFU);