On Fri, 08 Sep 2017 14:12:59 -0700 Eric Dumazet <eric.duma...@gmail.com> wrote:
> From: Eric Dumazet <eduma...@google.com> > > TCA_FQ_LOW_RATE_THRESHOLD sch_fq attribute was added in linux-4.9 > > Tested: > > lpaa5:/tmp# tc -qd add dev eth1 root fq > lpaa5:/tmp# tc -s qd sh dev eth1 > qdisc fq 8003: root refcnt 5 limit 10000p flow_limit 1000p buckets 4096 \ > orphan_mask 4095 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1 quantum > 3648 \ > initial_quantum 18240 low_rate_threshold 550Kbit refill_delay 40.0ms > Sent 62139 bytes 395 pkt (dropped 0, overlimits 0 requeues 0) > backlog 0b 0p requeues 0 > 116 flows (114 inactive, 0 throttled) > 1 gc, 0 highprio, 0 throttled > > lpaa5:/tmp# ./netperf -H lpaa6 -t TCP_RR -l10 -- -q 500000 -r 300,300 -o > P99_LATENCY > 99th Percentile Latency Microseconds > 7081 > > lpaa5:/tmp# tc qd replace dev eth1 root fq low_rate_threshold 10Mbit > lpaa5:/tmp# ./netperf -H lpaa6 -t TCP_RR -l10 -- -q 500000 -r 300,300 -o > P99_LATENCY > 99th Percentile Latency Microseconds > 858 > > > Signed-off-by: Eric Dumazet <eduma...@google.com> Applied
