mirror of https://github.com/torvalds/linux.git
24990d89c2
While chasing yet another receive autotuning bug, I found useful to add rcv_ssthresh, window_clamp and rcv_wnd. tcp_stream 40597 [068] 2172.978198: tcp:tcp_rcvbuf_grow: time=50307 rtt_us=50179 copied=77824 inq=0 space=40960 ooo=0 scaling_ratio=219 rcvbuf=131072 rcv_ssthresh=107474 window_clamp=112128 rcv_wnd=110592 tcp_stream 40597 [068] 2173.028528: tcp:tcp_rcvbuf_grow: time=50336 rtt_us=50206 copied=110592 inq=0 space=77824 ooo=0 scaling_ratio=219 rcvbuf=509444 rcv_ssthresh=328658 window_clamp=435813 rcv_wnd=331776 tcp_stream 40597 [068] 2173.078830: tcp:tcp_rcvbuf_grow: time=50305 rtt_us=50070 copied=270336 inq=0 space=110592 ooo=0 scaling_ratio=219 rcvbuf=509444 rcv_ssthresh=431159 window_clamp=435813 rcv_wnd=434176 tcp_stream 40597 [068] 2173.129137: tcp:tcp_rcvbuf_grow: time=50313 rtt_us=50118 copied=434176 inq=0 space=270336 ooo=0 scaling_ratio=219 rcvbuf=2457847 rcv_ssthresh=1299511 window_clamp=2102611 rcv_wnd=1302528 tcp_stream 40597 [068] 2173.179451: tcp:tcp_rcvbuf_grow: time=50318 rtt_us=50041 copied=1019904 inq=0 space=434176 ooo=0 scaling_ratio=219 rcvbuf=2457847 rcv_ssthresh=2087445 window_clamp=2102611 rcv_wnd=2088960 Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Neal Cardwell <ncardwell@google.com> Link: https://patch.msgid.link/20251028-net-tcp-recv-autotune-v3-2-74b43ba4c84c@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| 9p.h | ||
| afs.h | ||
| alarmtimer.h | ||
| amdxdna.h | ||
| asoc.h | ||
| avc.h | ||
| bcache.h | ||
| block.h | ||
| bpf_test_run.h | ||
| bridge.h | ||
| btrfs.h | ||
| cachefiles.h | ||
| capability.h | ||
| cgroup.h | ||
| clk.h | ||
| cma.h | ||
| compaction.h | ||
| context_tracking.h | ||
| cpuhp.h | ||
| csd.h | ||
| damon.h | ||
| devfreq.h | ||
| devlink.h | ||
| dlm.h | ||
| dma.h | ||
| dma_fence.h | ||
| erofs.h | ||
| error_report.h | ||
| exceptions.h | ||
| ext4.h | ||
| f2fs.h | ||
| fib.h | ||
| fib6.h | ||
| filelock.h | ||
| filemap.h | ||
| firewire.h | ||
| firewire_ohci.h | ||
| fs_dax.h | ||
| fscache.h | ||
| fsi.h | ||
| fsi_master_aspeed.h | ||
| fsi_master_ast_cf.h | ||
| fsi_master_gpio.h | ||
| fsi_master_i2cr.h | ||
| gpio.h | ||
| gpu_mem.h | ||
| habanalabs.h | ||
| handshake.h | ||
| host1x.h | ||
| huge_memory.h | ||
| hugetlbfs.h | ||
| hw_pressure.h | ||
| hwmon.h | ||
| i2c.h | ||
| i2c_slave.h | ||
| ib_mad.h | ||
| ib_umad.h | ||
| icmp.h | ||
| initcall.h | ||
| intel-sst.h | ||
| intel_ifs.h | ||
| intel_ish.h | ||
| io_uring.h | ||
| iocost.h | ||
| iommu.h | ||
| ipi.h | ||
| irq.h | ||
| irq_matrix.h | ||
| iscsi.h | ||
| jbd2.h | ||
| kmem.h | ||
| ksm.h | ||
| kvm.h | ||
| kyber.h | ||
| libata.h | ||
| lock.h | ||
| maple_tree.h | ||
| mce.h | ||
| mctp.h | ||
| mdio.h | ||
| memcg.h | ||
| migrate.h | ||
| mlxsw.h | ||
| mmap.h | ||
| mmap_lock.h | ||
| mmc.h | ||
| mmflags.h | ||
| module.h | ||
| mptcp.h | ||
| napi.h | ||
| nbd.h | ||
| neigh.h | ||
| net.h | ||
| net_probe_common.h | ||
| netfs.h | ||
| netlink.h | ||
| nilfs2.h | ||
| nmi.h | ||
| notifier.h | ||
| objagg.h | ||
| oom.h | ||
| osnoise.h | ||
| page_isolation.h | ||
| page_pool.h | ||
| page_ref.h | ||
| pagemap.h | ||
| percpu.h | ||
| power.h | ||
| power_cpu_migrate.h | ||
| preemptirq.h | ||
| printk.h | ||
| pwc.h | ||
| pwm.h | ||
| qdisc.h | ||
| qla.h | ||
| qrtr.h | ||
| rcu.h | ||
| rdma_core.h | ||
| readahead.h | ||
| regulator.h | ||
| rpcgss.h | ||
| rpcrdma.h | ||
| rpm.h | ||
| rseq.h | ||
| rtc.h | ||
| rust_sample.h | ||
| rwmmio.h | ||
| rxrpc.h | ||
| sched.h | ||
| sched_ext.h | ||
| scmi.h | ||
| scsi.h | ||
| sctp.h | ||
| signal.h | ||
| siox.h | ||
| skb.h | ||
| smbus.h | ||
| sock.h | ||
| sof.h | ||
| sof_intel.h | ||
| spi.h | ||
| spmi.h | ||
| sunrpc.h | ||
| sunvnet.h | ||
| swiotlb.h | ||
| syscalls.h | ||
| target.h | ||
| task.h | ||
| tcp.h | ||
| tegra_apb_dma.h | ||
| thp.h | ||
| timer.h | ||
| timer_migration.h | ||
| timestamp.h | ||
| tlb.h | ||
| tsm_mr.h | ||
| udp.h | ||
| v4l2.h | ||
| vb2.h | ||
| vmalloc.h | ||
| vmscan.h | ||
| vsock_virtio_transport_common.h | ||
| watchdog.h | ||
| wbt.h | ||
| workqueue.h | ||
| writeback.h | ||
| xdp.h | ||
| xen.h | ||