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Date: Tue, 20 Jun 2023 10:29:50 +0800
From: kernel test robot <oliver.sang@...el.com>
To: David Howells <dhowells@...hat.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
Linux Memory Management List <linux-mm@...ck.org>,
Jakub Kicinski <kuba@...nel.org>, Jens Axboe <axboe@...nel.dk>,
Matthew Wilcox <willy@...radead.org>,
<linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<netdev@...r.kernel.org>, <ying.huang@...el.com>,
<feng.tang@...el.com>, <fengwei.yin@...el.com>,
<oliver.sang@...el.com>
Subject: [linux-next:master] [splice, net] 2dc334f1a6:
netperf.Throughput_Mbps 29.9% improvement
Hello,
kernel test robot noticed a 29.9% improvement of netperf.Throughput_Mbps on:
commit: 2dc334f1a63a8839b88483a3e73c0f27c9c1791c ("splice, net: Use sendmsg(MSG_SPLICE_PAGES) rather than ->sendpage()")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
testcase: netperf
test machine: 128 threads 4 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz (Ice Lake) with 256G memory
parameters:
ip: ipv4
runtime: 300s
nr_threads: 200%
cluster: cs-localhost
send_size: 10K
test: TCP_SENDFILE
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
=========================================================================================
cluster/compiler/cpufreq_governor/ip/kconfig/nr_threads/rootfs/runtime/send_size/tbox_group/test/testcase:
cs-localhost/gcc-12/performance/ipv4/x86_64-rhel-8.3/200%/debian-11.1-x86_64-20220510.cgz/300s/10K/lkp-icl-2sp2/TCP_SENDFILE/netperf
commit:
81840b3b91 ("tls: Allow MSG_SPLICE_PAGES but treat it as normal sendmsg")
2dc334f1a6 ("splice, net: Use sendmsg(MSG_SPLICE_PAGES) rather than ->sendpage()")
81840b3b91aad060 2dc334f1a63a8839b88483a3e73
---------------- ---------------------------
%stddev %change %stddev
\ | \
5702242 ± 6% -15.6% 4814280 ± 4% cpuidle..usage
1180 ± 15% -45.2% 646.67 ± 45% perf-c2c.HITM.local
16580465 +3.3% 17124667 vmstat.system.cs
220034 -9.8% 198521 vmstat.system.in
-2613383 +86.0% -4860317 sched_debug.cfs_rq:/.spread0.avg
88.31 ± 24% +70.3% 150.36 ± 8% sched_debug.cfs_rq:/.util_est_enqueued.min
4501 ± 4% +13.3% 5101 ± 4% sched_debug.cpu.avg_idle.min
5657476 ± 6% -15.7% 4769566 ± 4% turbostat.C1
67713300 -9.9% 61042056 turbostat.IRQ
11318 ± 6% -19.3% 9130 ± 5% turbostat.POLL
67414 ± 3% -9.6% 60931 ± 8% proc-vmstat.nr_active_anon
67414 ± 3% -9.6% 60931 ± 8% proc-vmstat.nr_zone_active_anon
39564 ± 22% -21.8% 30940 ± 3% proc-vmstat.numa_pages_migrated
39564 ± 22% -21.8% 30940 ± 3% proc-vmstat.pgmigrate_success
5026 +29.9% 6530 netperf.Throughput_Mbps
1286708 +29.9% 1671781 netperf.Throughput_total_Mbps
2.541e+09 +3.3% 2.626e+09 netperf.time.involuntary_context_switches
7339 -3.2% 7105 netperf.time.percent_of_cpu_this_job_got
21534 -3.7% 20739 netperf.time.system_time
817.24 +10.6% 903.64 netperf.time.user_time
7000 ± 10% +64.1% 11486 ± 9% netperf.time.voluntary_context_switches
4.712e+09 +29.9% 6.122e+09 netperf.workload
0.99 ± 2% -37.8% 0.62 ± 7% perf-stat.i.MPKI
5.941e+10 -1.4% 5.856e+10 perf-stat.i.branch-instructions
1.03 -0.1 0.92 perf-stat.i.branch-miss-rate%
6.1e+08 -12.1% 5.361e+08 perf-stat.i.branch-misses
10.08 ± 3% +7.0 17.03 ± 5% perf-stat.i.cache-miss-rate%
3.046e+08 ± 3% -39.6% 1.84e+08 ± 7% perf-stat.i.cache-references
16798255 +3.3% 17348981 perf-stat.i.context-switches
1.04 +1.8% 1.06 perf-stat.i.cpi
1831 ± 3% -12.2% 1608 ± 2% perf-stat.i.cpu-migrations
12505 ± 3% +9.8% 13733 ± 7% perf-stat.i.cycles-between-cache-misses
8.983e+10 -2.4% 8.77e+10 perf-stat.i.dTLB-loads
0.01 ± 10% +0.0 0.01 ± 2% perf-stat.i.dTLB-store-miss-rate%
4562369 ± 10% +23.5% 5633059 ± 2% perf-stat.i.dTLB-store-misses
5.131e+10 -3.2% 4.969e+10 perf-stat.i.dTLB-stores
3.139e+11 -1.5% 3.092e+11 perf-stat.i.instructions
0.97 -1.7% 0.95 perf-stat.i.ipc
249.05 +186.8% 714.20 ± 3% perf-stat.i.metric.K/sec
1568 -2.4% 1531 perf-stat.i.metric.M/sec
0.97 ± 3% -38.7% 0.60 ± 7% perf-stat.overall.MPKI
1.03 -0.1 0.92 perf-stat.overall.branch-miss-rate%
8.89 ± 3% +4.6 13.46 ± 3% perf-stat.overall.cache-miss-rate%
1.04 +1.7% 1.06 perf-stat.overall.cpi
12031 ± 3% +10.2% 13256 ± 7% perf-stat.overall.cycles-between-cache-misses
0.01 ± 10% +0.0 0.01 ± 2% perf-stat.overall.dTLB-store-miss-rate%
0.96 -1.7% 0.95 perf-stat.overall.ipc
20265 -24.2% 15352 perf-stat.overall.path-length
5.919e+10 -1.4% 5.835e+10 perf-stat.ps.branch-instructions
6.077e+08 -12.1% 5.342e+08 perf-stat.ps.branch-misses
3.038e+08 ± 3% -39.6% 1.835e+08 ± 7% perf-stat.ps.cache-references
16735247 +3.3% 17287047 perf-stat.ps.context-switches
1835 ± 2% -11.8% 1617 ± 2% perf-stat.ps.cpu-migrations
8.95e+10 -2.4% 8.739e+10 perf-stat.ps.dTLB-loads
4543807 ± 10% +23.5% 5610443 ± 2% perf-stat.ps.dTLB-store-misses
5.113e+10 -3.2% 4.951e+10 perf-stat.ps.dTLB-stores
3.128e+11 -1.5% 3.081e+11 perf-stat.ps.instructions
9.549e+13 -1.6% 9.399e+13 perf-stat.total.instructions
46.72 -46.7 0.00 perf-profile.calltrace.cycles-pp.generic_splice_sendpage.direct_splice_actor.splice_direct_to_actor.do_splice_direct.do_sendfile
46.31 -46.3 0.00 perf-profile.calltrace.cycles-pp.__splice_from_pipe.generic_splice_sendpage.direct_splice_actor.splice_direct_to_actor.do_splice_direct
44.84 -44.8 0.00 perf-profile.calltrace.cycles-pp.pipe_to_sendpage.__splice_from_pipe.generic_splice_sendpage.direct_splice_actor.splice_direct_to_actor
44.42 -44.4 0.00 perf-profile.calltrace.cycles-pp.sock_sendpage.pipe_to_sendpage.__splice_from_pipe.generic_splice_sendpage.direct_splice_actor
44.08 -44.1 0.00 perf-profile.calltrace.cycles-pp.kernel_sendpage.sock_sendpage.pipe_to_sendpage.__splice_from_pipe.generic_splice_sendpage
43.65 -43.6 0.00 perf-profile.calltrace.cycles-pp.inet_sendpage.kernel_sendpage.sock_sendpage.pipe_to_sendpage.__splice_from_pipe
43.10 -43.1 0.00 perf-profile.calltrace.cycles-pp.tcp_sendpage.inet_sendpage.kernel_sendpage.sock_sendpage.pipe_to_sendpage
32.84 -32.8 0.00 perf-profile.calltrace.cycles-pp.tcp_sendpage_locked.tcp_sendpage.inet_sendpage.kernel_sendpage.sock_sendpage
31.27 -31.3 0.00 perf-profile.calltrace.cycles-pp.tcp_sendmsg_locked.tcp_sendpage_locked.tcp_sendpage.inet_sendpage.kernel_sendpage
13.69 -13.7 0.00 perf-profile.calltrace.cycles-pp.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendpage_locked.tcp_sendpage.inet_sendpage
13.38 -13.4 0.00 perf-profile.calltrace.cycles-pp.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendpage_locked.tcp_sendpage
10.07 -10.1 0.00 perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendpage_locked
8.24 -8.2 0.00 perf-profile.calltrace.cycles-pp.release_sock.tcp_sendpage.inet_sendpage.kernel_sendpage.sock_sendpage
7.47 -7.5 0.00 perf-profile.calltrace.cycles-pp.__release_sock.release_sock.tcp_sendpage.inet_sendpage.kernel_sendpage
5.08 -5.1 0.00 perf-profile.calltrace.cycles-pp.tcp_v4_do_rcv.__release_sock.release_sock.tcp_sendpage.inet_sendpage
5.05 -5.0 0.00 perf-profile.calltrace.cycles-pp.tcp_rcv_established.tcp_v4_do_rcv.__release_sock.release_sock.tcp_sendpage
46.88 -4.6 42.24 perf-profile.calltrace.cycles-pp.direct_splice_actor.splice_direct_to_actor.do_splice_direct.do_sendfile.__x64_sys_sendfile64
54.68 -2.7 51.97 perf-profile.calltrace.cycles-pp.splice_direct_to_actor.do_splice_direct.do_sendfile.__x64_sys_sendfile64.do_syscall_64
55.18 -2.6 52.58 perf-profile.calltrace.cycles-pp.do_splice_direct.do_sendfile.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe
62.26 -2.3 59.96 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.sendfile.sendfile_tcp_stream.main.__libc_start_main
61.81 -2.3 59.55 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile.sendfile_tcp_stream.main
58.87 -2.2 56.66 perf-profile.calltrace.cycles-pp.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile.sendfile_tcp_stream
58.05 -2.2 55.86 perf-profile.calltrace.cycles-pp.do_sendfile.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile
62.97 -2.1 60.82 perf-profile.calltrace.cycles-pp.sendfile.sendfile_tcp_stream.main.__libc_start_main
64.15 -1.9 62.26 perf-profile.calltrace.cycles-pp.sendfile_tcp_stream.main.__libc_start_main
8.78 -0.9 7.90 perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg.sock_recvmsg
7.96 -0.8 7.11 perf-profile.calltrace.cycles-pp.__ip_queue_xmit.__tcp_transmit_skb.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg
9.12 -0.8 8.32 perf-profile.calltrace.cycles-pp.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked
7.14 -0.8 6.36 perf-profile.calltrace.cycles-pp.ip_finish_output2.__ip_queue_xmit.__tcp_transmit_skb.tcp_recvmsg_locked.tcp_recvmsg
6.81 -0.8 6.04 perf-profile.calltrace.cycles-pp.__dev_queue_xmit.ip_finish_output2.__ip_queue_xmit.__tcp_transmit_skb.tcp_recvmsg_locked
9.56 ± 3% -0.5 9.04 perf-profile.calltrace.cycles-pp.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish
9.97 ± 2% -0.5 9.45 perf-profile.calltrace.cycles-pp.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core
1.66 ± 4% -0.5 1.17 ± 3% perf-profile.calltrace.cycles-pp.mem_cgroup_charge_skmem.__sk_mem_raise_allocated.__sk_mem_schedule.tcp_wmem_schedule.tcp_sendmsg_locked
1.24 ± 14% -0.4 0.82 perf-profile.calltrace.cycles-pp.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv.tcp_v4_rcv.ip_protocol_deliver_rcu
12.65 ± 2% -0.4 12.28 perf-profile.calltrace.cycles-pp.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action
12.56 ± 2% -0.4 12.20 perf-profile.calltrace.cycles-pp.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog.__napi_poll
12.19 ± 2% -0.4 11.83 perf-profile.calltrace.cycles-pp.tcp_v4_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog
17.14 -0.3 16.86 perf-profile.calltrace.cycles-pp.__do_softirq.do_softirq.__local_bh_enable_ip.__dev_queue_xmit.ip_finish_output2
17.45 -0.3 17.16 perf-profile.calltrace.cycles-pp.do_softirq.__local_bh_enable_ip.__dev_queue_xmit.ip_finish_output2.__ip_queue_xmit
2.54 -0.1 2.43 perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.40 -0.1 2.30 perf-profile.calltrace.cycles-pp.schedule.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
2.31 -0.1 2.20 perf-profile.calltrace.cycles-pp.__schedule.schedule.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode
0.68 -0.0 0.65 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile
0.55 ± 2% +0.0 0.60 ± 2% perf-profile.calltrace.cycles-pp.security_file_permission.do_sendfile.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.55 +0.0 0.60 perf-profile.calltrace.cycles-pp.touch_atime.splice_direct_to_actor.do_splice_direct.do_sendfile.__x64_sys_sendfile64
0.83 +0.1 0.89 perf-profile.calltrace.cycles-pp.switch_mm_irqs_off.__schedule.schedule.schedule_timeout.wait_woken
1.19 +0.1 1.30 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.sendfile
1.19 +0.1 1.30 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile
1.20 +0.1 1.32 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.recv
1.20 +0.1 1.32 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv
1.20 +0.1 1.32 perf-profile.calltrace.cycles-pp.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv
0.73 +0.1 0.86 perf-profile.calltrace.cycles-pp.__cond_resched.kmem_cache_alloc_node.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked
0.64 ± 2% +0.1 0.79 perf-profile.calltrace.cycles-pp.__schedule.__cond_resched.kmem_cache_alloc_node.__alloc_skb.tcp_stream_alloc_skb
0.56 +0.2 0.71 perf-profile.calltrace.cycles-pp._copy_from_user.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile
0.53 +0.2 0.68 perf-profile.calltrace.cycles-pp.skb_release_data.__kfree_skb.tcp_clean_rtx_queue.tcp_ack.tcp_rcv_established
0.55 +0.2 0.70 perf-profile.calltrace.cycles-pp.__kfree_skb.tcp_clean_rtx_queue.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv
2.28 +0.2 2.44 perf-profile.calltrace.cycles-pp.recv
2.20 +0.2 2.38 perf-profile.calltrace.cycles-pp.sendfile
0.74 +0.2 0.93 perf-profile.calltrace.cycles-pp.__fsnotify_parent.do_sendfile.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.42 ± 44% +0.2 0.64 perf-profile.calltrace.cycles-pp.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe.sendfile
5.84 +0.3 6.10 perf-profile.calltrace.cycles-pp.__schedule.schedule.schedule_timeout.wait_woken.sk_wait_data
2.68 ± 2% +0.3 2.94 perf-profile.calltrace.cycles-pp.ttwu_do_activate.try_to_wake_up.__wake_up_common.__wake_up_common_lock.sock_def_readable
6.02 +0.3 6.30 perf-profile.calltrace.cycles-pp.schedule.schedule_timeout.wait_woken.sk_wait_data.tcp_recvmsg_locked
6.28 +0.3 6.58 perf-profile.calltrace.cycles-pp.schedule_timeout.wait_woken.sk_wait_data.tcp_recvmsg_locked.tcp_recvmsg
0.84 +0.3 1.14 perf-profile.calltrace.cycles-pp.do_splice_to.splice_direct_to_actor.do_splice_direct.do_sendfile.__x64_sys_sendfile64
1.15 +0.3 1.44 perf-profile.calltrace.cycles-pp.copy_page_to_iter_pipe.filemap_read.generic_file_splice_read.splice_direct_to_actor.do_splice_direct
0.27 ±100% +0.3 0.57 ± 5% perf-profile.calltrace.cycles-pp.ip_rcv.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action
6.55 +0.3 6.86 perf-profile.calltrace.cycles-pp.wait_woken.sk_wait_data.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg
1.32 +0.3 1.64 perf-profile.calltrace.cycles-pp.filemap_get_read_batch.filemap_get_pages.filemap_read.generic_file_splice_read.splice_direct_to_actor
1.58 +0.3 1.90 perf-profile.calltrace.cycles-pp.tcp_clean_rtx_queue.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv.__release_sock
1.23 ± 14% +0.4 1.58 perf-profile.calltrace.cycles-pp.__check_object_size.simple_copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg_locked
0.28 ±100% +0.4 0.64 perf-profile.calltrace.cycles-pp.switch_fpu_return.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.63 +0.4 2.00 perf-profile.calltrace.cycles-pp.simple_copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg_locked.tcp_recvmsg
7.69 +0.4 8.08 perf-profile.calltrace.cycles-pp.sk_wait_data.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg.sock_recvmsg
1.54 +0.4 1.93 perf-profile.calltrace.cycles-pp.filemap_get_pages.filemap_read.generic_file_splice_read.splice_direct_to_actor.do_splice_direct
1.98 +0.4 2.37 perf-profile.calltrace.cycles-pp.tcp_ack.tcp_rcv_established.tcp_v4_do_rcv.__release_sock.release_sock
0.32 ±100% +0.4 0.72 perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv
0.36 ±100% +0.4 0.80 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv.process_requests
0.49 ± 73% +0.4 0.94 perf-profile.calltrace.cycles-pp.pick_next_task_fair.__schedule.schedule.schedule_timeout.wait_woken
0.34 ±100% +0.4 0.79 ± 3% perf-profile.calltrace.cycles-pp.__sk_mem_reduce_allocated.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg.sock_recvmsg
0.65 ± 51% +0.5 1.10 perf-profile.calltrace.cycles-pp.check_heap_object.__check_object_size.simple_copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter
0.00 +0.5 0.51 perf-profile.calltrace.cycles-pp.__entry_text_start.sendfile.sendfile_tcp_stream.main.__libc_start_main
0.00 +0.5 0.51 perf-profile.calltrace.cycles-pp.__fget_light.do_sendfile.__x64_sys_sendfile64.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.00 +0.5 0.52 perf-profile.calltrace.cycles-pp.__virt_addr_valid.check_heap_object.__check_object_size.simple_copy_to_iter.__skb_datagram_iter
0.00 +0.5 0.52 perf-profile.calltrace.cycles-pp.restore_fpregs_from_fpstate.switch_fpu_return.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
0.00 +0.5 0.52 perf-profile.calltrace.cycles-pp.tcp_current_mss.tcp_send_mss.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
0.00 +0.5 0.53 perf-profile.calltrace.cycles-pp.prepare_task_switch.__schedule.schedule.schedule_timeout.wait_woken
0.00 +0.5 0.55 perf-profile.calltrace.cycles-pp.touch_atime.generic_file_splice_read.splice_direct_to_actor.do_splice_direct.do_sendfile
0.00 +0.6 0.60 perf-profile.calltrace.cycles-pp.page_cache_pipe_buf_release.splice_to_socket.direct_splice_actor.splice_direct_to_actor.do_splice_direct
14.75 +0.7 15.40 perf-profile.calltrace.cycles-pp.__dev_queue_xmit.ip_finish_output2.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit
3.56 ± 2% +0.7 4.23 perf-profile.calltrace.cycles-pp.ip_finish_output2.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit.tcp_sendmsg_locked
0.00 +0.7 0.68 perf-profile.calltrace.cycles-pp.tcp_send_mss.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket
0.00 +0.7 0.73 perf-profile.calltrace.cycles-pp.__schedule.__cond_resched.__release_sock.release_sock.tcp_sendmsg
0.00 +0.8 0.80 perf-profile.calltrace.cycles-pp.__cond_resched.__release_sock.release_sock.tcp_sendmsg.sock_sendmsg
1.62 ± 13% +0.8 2.42 perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.try_to_wake_up.__wake_up_common.__wake_up_common_lock
3.33 ± 2% +0.9 4.20 perf-profile.calltrace.cycles-pp.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_rcv_established
3.68 ± 2% +1.0 4.66 perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_rcv_established.tcp_v4_do_rcv
0.00 +1.0 1.04 perf-profile.calltrace.cycles-pp.skb_append_pagefrags.skb_splice_from_iter.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
1.21 ± 19% +1.1 2.28 perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up.__wake_up_common
4.12 ± 2% +1.1 5.23 perf-profile.calltrace.cycles-pp.tcp_write_xmit.__tcp_push_pending_frames.tcp_rcv_established.tcp_v4_do_rcv.__release_sock
4.16 ± 2% +1.1 5.28 perf-profile.calltrace.cycles-pp.__tcp_push_pending_frames.tcp_rcv_established.tcp_v4_do_rcv.__release_sock.release_sock
0.00 +1.2 1.22 perf-profile.calltrace.cycles-pp.kmem_cache_alloc_node.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg
4.79 +1.2 6.03 perf-profile.calltrace.cycles-pp.filemap_read.generic_file_splice_read.splice_direct_to_actor.do_splice_direct.do_sendfile
0.00 +1.4 1.40 perf-profile.calltrace.cycles-pp.iov_iter_extract_pages.skb_splice_from_iter.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
5.53 +1.4 6.94 perf-profile.calltrace.cycles-pp.copyout._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg_locked
5.99 +1.5 7.51 perf-profile.calltrace.cycles-pp._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg_locked.tcp_recvmsg
5.97 +1.5 7.52 perf-profile.calltrace.cycles-pp.generic_file_splice_read.splice_direct_to_actor.do_splice_direct.do_sendfile.__x64_sys_sendfile64
27.79 +1.6 29.36 perf-profile.calltrace.cycles-pp.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg.sock_recvmsg.__sys_recvfrom
28.74 +1.6 30.33 perf-profile.calltrace.cycles-pp.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv.process_requests
28.43 +1.6 30.04 perf-profile.calltrace.cycles-pp.tcp_recvmsg.inet_recvmsg.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
28.62 +1.6 30.23 perf-profile.calltrace.cycles-pp.inet_recvmsg.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64
0.00 +1.6 1.63 perf-profile.calltrace.cycles-pp.__sk_mem_raise_allocated.__sk_mem_schedule.tcp_wmem_schedule.tcp_sendmsg_locked.tcp_sendmsg
29.69 +1.6 31.33 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv.process_requests.spawn_child
28.94 +1.6 30.59 perf-profile.calltrace.cycles-pp.sock_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe
29.94 +1.7 31.60 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.recv.process_requests.spawn_child.accept_connection
29.80 +1.7 31.50 perf-profile.calltrace.cycles-pp.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv
0.00 +1.7 1.73 perf-profile.calltrace.cycles-pp.__sk_mem_schedule.tcp_wmem_schedule.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
0.00 +1.8 1.80 perf-profile.calltrace.cycles-pp.tcp_wmem_schedule.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket
0.00 +2.0 1.98 perf-profile.calltrace.cycles-pp.__alloc_skb.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
8.52 +2.0 10.56 perf-profile.calltrace.cycles-pp.skb_copy_datagram_iter.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg.sock_recvmsg
8.41 +2.0 10.46 perf-profile.calltrace.cycles-pp.__skb_datagram_iter.skb_copy_datagram_iter.tcp_recvmsg_locked.tcp_recvmsg.inet_recvmsg
0.00 +2.7 2.66 perf-profile.calltrace.cycles-pp.tcp_stream_alloc_skb.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket
0.00 +3.6 3.62 perf-profile.calltrace.cycles-pp.skb_splice_from_iter.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket
0.00 +4.5 4.53 perf-profile.calltrace.cycles-pp.__ip_queue_xmit.__tcp_transmit_skb.tcp_write_xmit.tcp_sendmsg_locked.tcp_sendmsg
0.00 +5.0 4.98 perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_write_xmit.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
0.00 +5.6 5.57 perf-profile.calltrace.cycles-pp.tcp_write_xmit.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket
25.85 ± 24% +6.2 32.04 perf-profile.calltrace.cycles-pp.recv.process_requests.spawn_child.accept_connection.accept_connections
0.00 +6.3 6.30 perf-profile.calltrace.cycles-pp.tcp_rcv_established.tcp_v4_do_rcv.__release_sock.release_sock.tcp_sendmsg
0.00 +6.3 6.34 perf-profile.calltrace.cycles-pp.tcp_v4_do_rcv.__release_sock.release_sock.tcp_sendmsg.sock_sendmsg
24.39 ± 26% +8.2 32.62 perf-profile.calltrace.cycles-pp.accept_connections.main.__libc_start_main
24.39 ± 26% +8.2 32.62 perf-profile.calltrace.cycles-pp.accept_connection.accept_connections.main.__libc_start_main
24.39 ± 26% +8.2 32.62 perf-profile.calltrace.cycles-pp.spawn_child.accept_connection.accept_connections.main.__libc_start_main
24.39 ± 26% +8.2 32.62 perf-profile.calltrace.cycles-pp.process_requests.spawn_child.accept_connection.accept_connections.main
0.00 +9.2 9.20 perf-profile.calltrace.cycles-pp.__tcp_transmit_skb.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg
0.00 +9.3 9.30 perf-profile.calltrace.cycles-pp.__release_sock.release_sock.tcp_sendmsg.sock_sendmsg.splice_to_socket
0.00 +9.7 9.69 perf-profile.calltrace.cycles-pp.release_sock.tcp_sendmsg.sock_sendmsg.splice_to_socket.direct_splice_actor
0.00 +11.0 11.00 perf-profile.calltrace.cycles-pp.tcp_write_xmit.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg
0.00 +11.2 11.15 perf-profile.calltrace.cycles-pp.__tcp_push_pending_frames.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket
0.00 +27.1 27.07 perf-profile.calltrace.cycles-pp.tcp_sendmsg_locked.tcp_sendmsg.sock_sendmsg.splice_to_socket.direct_splice_actor
0.00 +38.2 38.19 perf-profile.calltrace.cycles-pp.tcp_sendmsg.sock_sendmsg.splice_to_socket.direct_splice_actor.splice_direct_to_actor
0.00 +39.1 39.07 perf-profile.calltrace.cycles-pp.sock_sendmsg.splice_to_socket.direct_splice_actor.splice_direct_to_actor.do_splice_direct
0.00 +42.0 42.00 perf-profile.calltrace.cycles-pp.splice_to_socket.direct_splice_actor.splice_direct_to_actor.do_splice_direct.do_sendfile
47.09 -47.1 0.00 perf-profile.children.cycles-pp.generic_splice_sendpage
46.72 -46.7 0.00 perf-profile.children.cycles-pp.__splice_from_pipe
45.19 -45.2 0.00 perf-profile.children.cycles-pp.pipe_to_sendpage
44.78 -44.8 0.00 perf-profile.children.cycles-pp.sock_sendpage
44.44 -44.4 0.00 perf-profile.children.cycles-pp.kernel_sendpage
44.05 -44.0 0.00 perf-profile.children.cycles-pp.inet_sendpage
43.51 -43.5 0.00 perf-profile.children.cycles-pp.tcp_sendpage
33.39 -33.4 0.00 perf-profile.children.cycles-pp.tcp_sendpage_locked
47.23 -4.9 42.36 perf-profile.children.cycles-pp.direct_splice_actor
31.96 -4.4 27.58 perf-profile.children.cycles-pp.tcp_sendmsg_locked
55.06 -2.9 52.12 perf-profile.children.cycles-pp.splice_direct_to_actor
55.56 -2.8 52.73 perf-profile.children.cycles-pp.do_splice_direct
58.50 -2.4 56.10 perf-profile.children.cycles-pp.do_sendfile
59.70 -2.2 57.49 perf-profile.children.cycles-pp.__x64_sys_sendfile64
64.44 -2.1 62.38 perf-profile.children.cycles-pp.sendfile_tcp_stream
65.75 -2.0 63.71 perf-profile.children.cycles-pp.sendfile
18.06 -1.5 16.55 perf-profile.children.cycles-pp.__tcp_push_pending_frames
2.79 ± 3% -1.0 1.83 perf-profile.children.cycles-pp.tcp_wmem_schedule
1.58 -0.9 0.70 perf-profile.children.cycles-pp.tcp_send_mss
2.74 ± 3% -0.7 2.01 perf-profile.children.cycles-pp.__sk_mem_schedule
1.28 -0.7 0.61 perf-profile.children.cycles-pp.tcp_current_mss
2.59 ± 3% -0.7 1.92 perf-profile.children.cycles-pp.__sk_mem_raise_allocated
94.99 -0.6 94.39 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
1.63 ± 3% -0.6 1.06 perf-profile.children.cycles-pp.ktime_get
94.31 -0.5 93.76 perf-profile.children.cycles-pp.do_syscall_64
1.52 -0.5 0.99 perf-profile.children.cycles-pp._raw_spin_lock_bh
22.52 -0.5 22.01 perf-profile.children.cycles-pp.tcp_write_xmit
18.12 -0.5 17.63 perf-profile.children.cycles-pp.__local_bh_enable_ip
1.02 -0.5 0.55 perf-profile.children.cycles-pp.lock_sock_nested
2.63 ± 4% -0.4 2.23 ± 3% perf-profile.children.cycles-pp.mem_cgroup_charge_skmem
12.71 ± 2% -0.4 12.32 perf-profile.children.cycles-pp.ip_local_deliver_finish
12.64 ± 2% -0.4 12.25 perf-profile.children.cycles-pp.ip_protocol_deliver_rcu
12.34 ± 2% -0.4 11.96 perf-profile.children.cycles-pp.tcp_v4_rcv
1.09 -0.4 0.72 perf-profile.children.cycles-pp.read_tsc
17.26 -0.3 16.94 perf-profile.children.cycles-pp.__do_softirq
0.42 -0.3 0.10 ± 3% perf-profile.children.cycles-pp.tcp_rate_check_app_limited
0.49 -0.2 0.24 perf-profile.children.cycles-pp.tcp_tso_segs
0.35 ± 2% -0.2 0.12 ± 4% perf-profile.children.cycles-pp.tcp_push
1.02 ± 4% -0.2 0.82 ± 6% perf-profile.children.cycles-pp.select_task_rq
0.39 ± 8% -0.2 0.19 ± 5% perf-profile.children.cycles-pp.ipv4_mtu
0.93 ± 3% -0.2 0.73 ± 7% perf-profile.children.cycles-pp.select_task_rq_fair
3.80 -0.1 3.66 perf-profile.children.cycles-pp.tcp_ack
0.47 ± 2% -0.1 0.35 ± 2% perf-profile.children.cycles-pp.tcp_established_options
0.72 -0.1 0.60 ± 2% perf-profile.children.cycles-pp.try_charge_memcg
2.60 -0.1 2.48 perf-profile.children.cycles-pp.exit_to_user_mode_loop
0.19 ± 2% -0.1 0.08 ± 4% perf-profile.children.cycles-pp.tcp_downgrade_zcopy_pure
0.19 ± 2% -0.1 0.09 ± 5% perf-profile.children.cycles-pp.tcp_mtu_probe
0.74 -0.1 0.66 perf-profile.children.cycles-pp.__tcp_send_ack
0.58 ± 5% -0.1 0.49 ± 3% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
0.54 ± 6% -0.1 0.46 ± 3% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
0.51 ± 6% -0.1 0.43 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
0.20 -0.1 0.12 perf-profile.children.cycles-pp._raw_spin_unlock_bh
0.49 ± 6% -0.1 0.42 ± 3% perf-profile.children.cycles-pp.hrtimer_interrupt
0.46 ± 6% -0.1 0.39 ± 3% perf-profile.children.cycles-pp.__hrtimer_run_queues
0.16 ± 3% -0.1 0.09 ± 4% perf-profile.children.cycles-pp.tcp_chrono_stop
0.51 -0.1 0.45 perf-profile.children.cycles-pp.check_preempt_curr
0.14 ± 3% -0.1 0.08 perf-profile.children.cycles-pp.woken_wake_function
0.38 ± 8% -0.1 0.32 ± 4% perf-profile.children.cycles-pp.update_process_times
0.42 -0.1 0.36 ± 2% perf-profile.children.cycles-pp.check_preempt_wakeup
0.19 ± 6% -0.1 0.14 ± 3% perf-profile.children.cycles-pp.perf_event_task_tick
0.38 ± 8% -0.1 0.33 ± 4% perf-profile.children.cycles-pp.tick_sched_handle
0.18 ± 8% -0.1 0.13 ± 3% perf-profile.children.cycles-pp.perf_adjust_freq_unthr_context
0.13 ± 2% -0.0 0.08 ± 4% perf-profile.children.cycles-pp.tcp_release_cb
0.31 ± 8% -0.0 0.26 ± 3% perf-profile.children.cycles-pp.scheduler_tick
0.26 ± 6% -0.0 0.22 ± 7% perf-profile.children.cycles-pp.skb_release_head_state
0.14 ± 3% -0.0 0.10 ± 5% perf-profile.children.cycles-pp.iov_iter_bvec
0.10 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.tcp_update_pacing_rate
0.68 -0.0 0.65 perf-profile.children.cycles-pp.kmem_cache_free
0.10 ± 3% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.tcp_rate_skb_delivered
0.66 -0.0 0.63 perf-profile.children.cycles-pp.sk_reset_timer
0.30 ± 2% -0.0 0.28 perf-profile.children.cycles-pp.rcu_all_qs
0.30 ± 2% -0.0 0.28 perf-profile.children.cycles-pp.update_rq_clock_task
0.13 -0.0 0.11 perf-profile.children.cycles-pp.update_irq_load_avg
0.19 -0.0 0.17 ± 2% perf-profile.children.cycles-pp.tcp_ack_update_rtt
0.16 ± 2% -0.0 0.14 perf-profile.children.cycles-pp.sock_put
0.07 -0.0 0.06 perf-profile.children.cycles-pp.tcp_v4_send_check
0.10 +0.0 0.11 perf-profile.children.cycles-pp.rb_insert_color
0.08 +0.0 0.09 perf-profile.children.cycles-pp.save_fpregs_to_fpstate
0.11 +0.0 0.12 ± 3% perf-profile.children.cycles-pp.kfree_skbmem
0.09 +0.0 0.10 ± 3% perf-profile.children.cycles-pp.__tcp_ack_snd_check
0.07 ± 7% +0.0 0.08 perf-profile.children.cycles-pp.__fdget
0.06 ± 6% +0.0 0.07 ± 5% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.44 +0.0 0.46 perf-profile.children.cycles-pp.netperf_sendfile
0.29 ± 2% +0.0 0.31 ± 2% perf-profile.children.cycles-pp.sockfd_lookup_light
0.13 ± 3% +0.0 0.15 ± 3% perf-profile.children.cycles-pp.tcp_v4_fill_cb
0.13 ± 2% +0.0 0.14 ± 3% perf-profile.children.cycles-pp.tcp_skb_entail
0.08 ± 4% +0.0 0.10 perf-profile.children.cycles-pp.xas_descend
0.16 ± 4% +0.0 0.18 ± 2% perf-profile.children.cycles-pp.security_socket_recvmsg
0.06 +0.0 0.08 perf-profile.children.cycles-pp.check_cfs_rq_runtime
0.39 +0.0 0.41 perf-profile.children.cycles-pp.__list_del_entry_valid
0.60 +0.0 0.62 perf-profile.children.cycles-pp.put_prev_entity
0.30 +0.0 0.32 perf-profile.children.cycles-pp.remove_wait_queue
0.08 ± 5% +0.0 0.11 ± 3% perf-profile.children.cycles-pp.tcp_rate_skb_sent
0.06 ± 9% +0.0 0.08 ± 4% perf-profile.children.cycles-pp.tcp_small_queue_check
0.10 ± 5% +0.0 0.12 ± 3% perf-profile.children.cycles-pp.xas_start
0.10 ± 3% +0.0 0.13 ± 2% perf-profile.children.cycles-pp.lock_timer_base
0.33 ± 2% +0.0 0.35 ± 2% perf-profile.children.cycles-pp.refill_stock
0.06 ± 7% +0.0 0.09 perf-profile.children.cycles-pp.demo_interval_tick
0.10 +0.0 0.13 ± 2% perf-profile.children.cycles-pp.make_vfsgid
0.14 ± 4% +0.0 0.17 ± 2% perf-profile.children.cycles-pp.ktime_get_coarse_real_ts64
0.10 ± 4% +0.0 0.13 ± 3% perf-profile.children.cycles-pp.__get_task_ioprio
0.10 ± 4% +0.0 0.13 ± 3% perf-profile.children.cycles-pp.demo_stream_interval
0.47 ± 2% +0.0 0.50 perf-profile.children.cycles-pp.tcp_schedule_loss_probe
0.16 +0.0 0.19 ± 3% perf-profile.children.cycles-pp.generic_file_read_iter
0.10 ± 3% +0.0 0.13 perf-profile.children.cycles-pp.make_vfsuid
0.24 ± 2% +0.0 0.27 perf-profile.children.cycles-pp.is_vmalloc_addr
0.58 ± 2% +0.0 0.61 ± 3% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.83 +0.0 0.86 perf-profile.children.cycles-pp.__switch_to
0.14 ± 6% +0.0 0.18 perf-profile.children.cycles-pp.folio_mark_accessed
0.13 ± 3% +0.0 0.17 ± 2% perf-profile.children.cycles-pp.check_stack_object
0.66 +0.0 0.70 perf-profile.children.cycles-pp.__update_load_avg_se
0.08 ± 6% +0.0 0.12 ± 4% perf-profile.children.cycles-pp.check_spread
0.28 ± 2% +0.0 0.32 perf-profile.children.cycles-pp.copy_page_to_iter
0.39 ± 2% +0.0 0.43 ± 4% perf-profile.children.cycles-pp.recv_tcp_stream
0.20 ± 6% +0.0 0.24 ± 6% perf-profile.children.cycles-pp.tcp_add_backlog
0.19 ± 2% +0.0 0.24 ± 2% perf-profile.children.cycles-pp.__sk_dst_check
0.18 ± 5% +0.0 0.23 ± 4% perf-profile.children.cycles-pp.cpuacct_charge
0.01 ±223% +0.0 0.06 ± 9% perf-profile.children.cycles-pp.page_counter_try_charge
0.00 +0.1 0.05 perf-profile.children.cycles-pp.get_pipe_info
0.00 +0.1 0.05 perf-profile.children.cycles-pp.enqueue_timer
0.17 ± 3% +0.1 0.22 perf-profile.children.cycles-pp.rw_verify_area
0.06 ± 6% +0.1 0.11 perf-profile.children.cycles-pp.tcp_urg
0.12 ± 3% +0.1 0.17 ± 2% perf-profile.children.cycles-pp.rb_next
0.75 ± 4% +0.1 0.80 perf-profile.children.cycles-pp.___perf_sw_event
0.17 ± 2% +0.1 0.22 ± 2% perf-profile.children.cycles-pp.fsnotify_perm
0.22 +0.1 0.28 perf-profile.children.cycles-pp.pick_next_entity
0.00 +0.1 0.06 ± 8% perf-profile.children.cycles-pp.tcp_send_delayed_ack
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.iov_iter_pipe
0.74 +0.1 0.79 perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.24 +0.1 0.30 perf-profile.children.cycles-pp.xas_load
0.16 ± 2% +0.1 0.22 ± 2% perf-profile.children.cycles-pp.page_cache_pipe_buf_confirm
0.25 ± 2% +0.1 0.31 perf-profile.children.cycles-pp.sanity
1.03 ± 2% +0.1 1.09 perf-profile.children.cycles-pp.prepare_task_switch
0.04 ± 44% +0.1 0.11 ± 3% perf-profile.children.cycles-pp.switch_ldt
0.30 +0.1 0.37 perf-profile.children.cycles-pp.__put_user_8
0.41 +0.1 0.48 perf-profile.children.cycles-pp.os_xsave
0.11 ± 4% +0.1 0.19 perf-profile.children.cycles-pp.tcp_rearm_rto
1.06 +0.1 1.13 perf-profile.children.cycles-pp.skb_release_data
0.60 +0.1 0.68 perf-profile.children.cycles-pp.tcp_event_new_data_sent
0.12 ± 3% +0.1 0.20 perf-profile.children.cycles-pp.rb_erase
3.97 +0.1 4.05 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.46 +0.1 0.54 perf-profile.children.cycles-pp.__virt_addr_valid
1.85 +0.1 1.94 perf-profile.children.cycles-pp.update_load_avg
0.60 ± 7% +0.1 0.68 ± 7% perf-profile.children.cycles-pp.mem_cgroup_uncharge_skmem
0.28 +0.1 0.37 perf-profile.children.cycles-pp.aa_file_perm
0.13 ± 3% +0.1 0.22 ± 4% perf-profile.children.cycles-pp.security_sock_rcv_skb
3.71 +0.1 3.80 perf-profile.children.cycles-pp.exit_to_user_mode_prepare
0.45 +0.1 0.54 perf-profile.children.cycles-pp.iov_iter_advance
0.43 +0.1 0.52 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.22 +0.1 0.33 ± 2% perf-profile.children.cycles-pp.sk_filter_trim_cap
0.68 +0.1 0.79 perf-profile.children.cycles-pp.__fget_light
0.00 +0.1 0.12 perf-profile.children.cycles-pp.inet_sendmsg
0.50 +0.1 0.63 perf-profile.children.cycles-pp.page_cache_pipe_buf_release
0.48 +0.1 0.61 perf-profile.children.cycles-pp.current_time
0.00 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.apparmor_socket_sock_rcv_skb
0.00 +0.1 0.13 ± 3% perf-profile.children.cycles-pp.sock_from_file
1.08 ± 5% +0.1 1.21 ± 2% perf-profile.children.cycles-pp.enqueue_entity
1.31 ± 5% +0.1 1.45 ± 2% perf-profile.children.cycles-pp.__sk_mem_reduce_allocated
0.60 +0.1 0.74 perf-profile.children.cycles-pp.__entry_text_start
0.57 +0.2 0.72 perf-profile.children.cycles-pp._copy_from_user
2.22 +0.2 2.37 perf-profile.children.cycles-pp.switch_mm_irqs_off
2.78 +0.2 2.94 perf-profile.children.cycles-pp.__alloc_skb
8.46 +0.2 8.62 perf-profile.children.cycles-pp.schedule
0.91 +0.2 1.08 perf-profile.children.cycles-pp.apparmor_file_permission
2.07 +0.2 2.25 perf-profile.children.cycles-pp.kmem_cache_alloc_node
3.58 +0.2 3.76 perf-profile.children.cycles-pp.skb_splice_from_iter
0.74 +0.2 0.92 perf-profile.children.cycles-pp.restore_fpregs_from_fpstate
1.01 +0.2 1.20 perf-profile.children.cycles-pp.check_heap_object
0.83 +0.2 1.03 perf-profile.children.cycles-pp.set_next_entity
0.94 +0.2 1.15 perf-profile.children.cycles-pp.switch_fpu_return
1.17 +0.2 1.42 perf-profile.children.cycles-pp.security_file_permission
1.14 +0.3 1.40 perf-profile.children.cycles-pp.atime_needs_update
2.71 ± 2% +0.3 2.97 perf-profile.children.cycles-pp.ttwu_do_activate
2.05 ± 3% +0.3 2.31 perf-profile.children.cycles-pp.enqueue_task_fair
0.80 +0.3 1.08 perf-profile.children.cycles-pp.skb_append_pagefrags
1.42 +0.3 1.70 perf-profile.children.cycles-pp.touch_atime
6.30 +0.3 6.59 perf-profile.children.cycles-pp.schedule_timeout
1.13 +0.3 1.42 perf-profile.children.cycles-pp.__fsnotify_parent
2.15 ± 3% +0.3 2.44 perf-profile.children.cycles-pp.activate_task
0.86 +0.3 1.17 perf-profile.children.cycles-pp.do_splice_to
6.57 +0.3 6.88 perf-profile.children.cycles-pp.wait_woken
1.20 +0.3 1.51 perf-profile.children.cycles-pp.copy_page_to_iter_pipe
1.16 +0.3 1.48 perf-profile.children.cycles-pp.iov_iter_extract_pages
2.25 +0.3 2.58 perf-profile.children.cycles-pp.pick_next_task_fair
1.34 +0.3 1.67 perf-profile.children.cycles-pp.filemap_get_read_batch
1.59 +0.4 1.95 perf-profile.children.cycles-pp.__check_object_size
2.66 +0.4 3.02 perf-profile.children.cycles-pp.tcp_stream_alloc_skb
0.11 ± 6% +0.4 0.48 perf-profile.children.cycles-pp.aa_sk_perm
7.75 +0.4 8.13 perf-profile.children.cycles-pp.sk_wait_data
1.68 +0.4 2.06 perf-profile.children.cycles-pp.simple_copy_to_iter
1.57 +0.4 1.96 perf-profile.children.cycles-pp.filemap_get_pages
2.63 +0.4 3.06 perf-profile.children.cycles-pp.__cond_resched
0.00 +0.5 0.52 perf-profile.children.cycles-pp.security_socket_sendmsg
9.99 +0.6 10.59 perf-profile.children.cycles-pp.__schedule
14.76 ± 2% +0.7 15.47 perf-profile.children.cycles-pp.tcp_rcv_established
15.16 +0.7 15.89 perf-profile.children.cycles-pp.tcp_v4_do_rcv
4.90 +1.3 6.16 perf-profile.children.cycles-pp.filemap_read
5.66 +1.4 7.10 perf-profile.children.cycles-pp.copyout
8.96 +1.5 10.44 perf-profile.children.cycles-pp.release_sock
6.04 +1.5 7.57 perf-profile.children.cycles-pp._copy_to_iter
6.04 +1.6 7.59 perf-profile.children.cycles-pp.generic_file_splice_read
27.83 +1.6 29.41 perf-profile.children.cycles-pp.tcp_recvmsg_locked
28.49 +1.6 30.10 perf-profile.children.cycles-pp.tcp_recvmsg
28.63 +1.6 30.24 perf-profile.children.cycles-pp.inet_recvmsg
28.96 +1.6 30.60 perf-profile.children.cycles-pp.sock_recvmsg
29.97 +1.7 31.66 perf-profile.children.cycles-pp.__x64_sys_recvfrom
29.83 +1.7 31.52 perf-profile.children.cycles-pp.__sys_recvfrom
30.87 +1.8 32.62 perf-profile.children.cycles-pp.accept_connection
30.87 +1.8 32.62 perf-profile.children.cycles-pp.spawn_child
30.87 +1.8 32.62 perf-profile.children.cycles-pp.process_requests
32.83 +1.9 34.70 perf-profile.children.cycles-pp.recv
7.78 +1.9 9.68 perf-profile.children.cycles-pp.__release_sock
8.53 +2.0 10.57 perf-profile.children.cycles-pp.skb_copy_datagram_iter
8.47 +2.1 10.54 perf-profile.children.cycles-pp.__skb_datagram_iter
26.30 ± 24% +6.3 32.62 perf-profile.children.cycles-pp.accept_connections
0.00 +38.4 38.35 perf-profile.children.cycles-pp.tcp_sendmsg
0.00 +39.2 39.19 perf-profile.children.cycles-pp.sock_sendmsg
0.00 +42.3 42.26 perf-profile.children.cycles-pp.splice_to_socket
2.03 -1.0 1.06 perf-profile.self.cycles-pp.tcp_sendmsg_locked
1.43 -0.6 0.87 perf-profile.self.cycles-pp.tcp_write_xmit
1.35 -0.5 0.86 perf-profile.self.cycles-pp._raw_spin_lock_bh
1.04 -0.4 0.69 perf-profile.self.cycles-pp.read_tsc
1.65 -0.4 1.30 perf-profile.self.cycles-pp.skb_splice_from_iter
0.56 -0.3 0.26 perf-profile.self.cycles-pp.tcp_current_mss
0.36 -0.3 0.09 perf-profile.self.cycles-pp.tcp_rate_check_app_limited
1.72 ± 7% -0.3 1.47 ± 5% perf-profile.self.cycles-pp.mem_cgroup_charge_skmem
0.46 -0.2 0.22 ± 3% perf-profile.self.cycles-pp.tcp_tso_segs
0.32 ± 2% -0.2 0.11 ± 4% perf-profile.self.cycles-pp.tcp_push
0.52 ± 10% -0.2 0.33 perf-profile.self.cycles-pp.ktime_get
0.32 -0.2 0.13 ± 3% perf-profile.self.cycles-pp.tcp_send_mss
0.36 ± 9% -0.2 0.18 ± 6% perf-profile.self.cycles-pp.ipv4_mtu
0.64 ± 2% -0.2 0.47 ± 2% perf-profile.self.cycles-pp.__sk_mem_raise_allocated
0.52 -0.1 0.37 ± 2% perf-profile.self.cycles-pp.__local_bh_enable_ip
0.22 -0.1 0.08 ± 6% perf-profile.self.cycles-pp.tcp_wmem_schedule
0.29 ± 3% -0.1 0.15 ± 2% perf-profile.self.cycles-pp.select_task_rq_fair
0.63 -0.1 0.51 ± 2% perf-profile.self.cycles-pp.try_charge_memcg
0.31 -0.1 0.20 ± 2% perf-profile.self.cycles-pp.release_sock
0.27 -0.1 0.16 ± 3% perf-profile.self.cycles-pp.__tcp_push_pending_frames
0.43 ± 2% -0.1 0.32 perf-profile.self.cycles-pp.tcp_established_options
0.16 ± 2% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.tcp_mtu_probe
0.48 -0.1 0.39 perf-profile.self.cycles-pp.do_syscall_64
0.14 ± 2% -0.1 0.06 perf-profile.self.cycles-pp.tcp_downgrade_zcopy_pure
0.14 ± 3% -0.1 0.07 ± 5% perf-profile.self.cycles-pp.lock_sock_nested
0.13 -0.1 0.08 ± 6% perf-profile.self.cycles-pp.woken_wake_function
0.12 ± 4% -0.1 0.07 perf-profile.self.cycles-pp.tcp_chrono_stop
0.13 ± 3% -0.1 0.08 perf-profile.self.cycles-pp._raw_spin_unlock_bh
0.14 ± 3% -0.1 0.08 ± 5% perf-profile.self.cycles-pp.__sk_mem_schedule
0.82 -0.0 0.77 perf-profile.self.cycles-pp.tcp_ack
0.34 ± 2% -0.0 0.29 perf-profile.self.cycles-pp.__mod_timer
0.70 -0.0 0.65 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.14 ± 3% -0.0 0.10 ± 3% perf-profile.self.cycles-pp.direct_splice_actor
0.10 ± 3% -0.0 0.06 perf-profile.self.cycles-pp.tcp_release_cb
0.09 ± 14% -0.0 0.05 ± 8% perf-profile.self.cycles-pp.perf_adjust_freq_unthr_context
0.18 ± 3% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.check_preempt_wakeup
0.10 ± 5% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.tcp_update_pacing_rate
0.56 -0.0 0.53 perf-profile.self.cycles-pp.__ip_queue_xmit
0.11 -0.0 0.08 perf-profile.self.cycles-pp.iov_iter_bvec
0.50 -0.0 0.47 perf-profile.self.cycles-pp.__do_softirq
0.66 -0.0 0.63 perf-profile.self.cycles-pp.kmem_cache_free
0.45 -0.0 0.42 perf-profile.self.cycles-pp.tcp_clean_rtx_queue
0.13 ± 3% -0.0 0.10 perf-profile.self.cycles-pp.update_irq_load_avg
0.49 -0.0 0.46 perf-profile.self.cycles-pp.net_rx_action
0.34 ± 2% -0.0 0.32 ± 2% perf-profile.self.cycles-pp.__x64_sys_sendfile64
0.09 ± 5% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.tcp_rate_skb_delivered
0.22 -0.0 0.20 ± 2% perf-profile.self.cycles-pp.rcu_all_qs
0.14 ± 3% -0.0 0.13 ± 3% perf-profile.self.cycles-pp.sock_put
0.14 ± 3% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.20 -0.0 0.19 ± 2% perf-profile.self.cycles-pp.tcp_event_new_data_sent
0.10 ± 4% -0.0 0.09 ± 5% perf-profile.self.cycles-pp.tcp_rtt_estimator
0.06 -0.0 0.05 perf-profile.self.cycles-pp.remove_wait_queue
0.14 +0.0 0.15 perf-profile.self.cycles-pp.inet_recvmsg
0.10 +0.0 0.11 perf-profile.self.cycles-pp.kfree_skbmem
0.07 +0.0 0.08 perf-profile.self.cycles-pp.xas_load
0.06 +0.0 0.07 perf-profile.self.cycles-pp.save_fpregs_to_fpstate
0.26 +0.0 0.27 perf-profile.self.cycles-pp.schedule_timeout
0.14 ± 3% +0.0 0.16 ± 3% perf-profile.self.cycles-pp.__rdgsbase_inactive
0.10 ± 4% +0.0 0.12 ± 4% perf-profile.self.cycles-pp.tcp_skb_entail
0.10 ± 3% +0.0 0.11 perf-profile.self.cycles-pp.__release_sock
0.12 ± 3% +0.0 0.13 perf-profile.self.cycles-pp.__list_add_valid
0.28 +0.0 0.29 perf-profile.self.cycles-pp.refill_stock
0.08 ± 4% +0.0 0.10 ± 5% perf-profile.self.cycles-pp.rb_insert_color
0.17 ± 2% +0.0 0.19 perf-profile.self.cycles-pp.set_next_entity
0.09 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.tcp_stream_alloc_skb
0.07 ± 5% +0.0 0.08 ± 5% perf-profile.self.cycles-pp.ttwu_do_activate
0.15 ± 3% +0.0 0.16 ± 2% perf-profile.self.cycles-pp.__netif_receive_skb_one_core
0.07 +0.0 0.09 ± 5% perf-profile.self.cycles-pp.xas_descend
0.05 ± 8% +0.0 0.07 perf-profile.self.cycles-pp.demo_stream_interval
0.12 ± 3% +0.0 0.14 ± 4% perf-profile.self.cycles-pp.tcp_v4_fill_cb
0.18 ± 2% +0.0 0.20 perf-profile.self.cycles-pp.do_splice_direct
0.34 +0.0 0.36 perf-profile.self.cycles-pp.__list_del_entry_valid
0.17 ± 3% +0.0 0.19 perf-profile.self.cycles-pp.tcp_schedule_loss_probe
0.21 +0.0 0.23 ± 2% perf-profile.self.cycles-pp.schedule
0.20 +0.0 0.22 ± 2% perf-profile.self.cycles-pp.switch_fpu_return
0.05 ± 7% +0.0 0.07 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.27 ± 2% +0.0 0.29 perf-profile.self.cycles-pp.wait_woken
0.09 ± 4% +0.0 0.11 ± 3% perf-profile.self.cycles-pp.xas_start
0.28 +0.0 0.30 perf-profile.self.cycles-pp.touch_atime
0.11 ± 5% +0.0 0.13 ± 2% perf-profile.self.cycles-pp.ktime_get_coarse_real_ts64
0.05 ± 7% +0.0 0.07 ± 6% perf-profile.self.cycles-pp.demo_interval_tick
0.09 ± 6% +0.0 0.11 ± 4% perf-profile.self.cycles-pp.sk_filter_trim_cap
0.08 ± 6% +0.0 0.10 ± 3% perf-profile.self.cycles-pp.make_vfsgid
0.23 ± 2% +0.0 0.26 ± 2% perf-profile.self.cycles-pp.recv
0.08 ± 4% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.tcp_rate_skb_sent
0.07 ± 6% +0.0 0.10 ± 3% perf-profile.self.cycles-pp.make_vfsuid
0.21 +0.0 0.24 perf-profile.self.cycles-pp.is_vmalloc_addr
0.10 ± 4% +0.0 0.12 ± 3% perf-profile.self.cycles-pp.__get_task_ioprio
0.15 +0.0 0.18 ± 2% perf-profile.self.cycles-pp.generic_file_read_iter
0.50 +0.0 0.54 perf-profile.self.cycles-pp.__sys_recvfrom
0.10 +0.0 0.13 ± 5% perf-profile.self.cycles-pp.check_stack_object
0.79 +0.0 0.82 perf-profile.self.cycles-pp.__switch_to
0.11 ± 4% +0.0 0.15 ± 3% perf-profile.self.cycles-pp.simple_copy_to_iter
0.25 ± 2% +0.0 0.28 perf-profile.self.cycles-pp.copy_page_to_iter
0.09 ± 5% +0.0 0.13 ± 2% perf-profile.self.cycles-pp.activate_task
0.03 ± 70% +0.0 0.07 ± 5% perf-profile.self.cycles-pp.tcp_small_queue_check
0.11 ± 3% +0.0 0.15 perf-profile.self.cycles-pp.folio_mark_accessed
0.60 +0.0 0.64 perf-profile.self.cycles-pp.__update_load_avg_se
0.32 ± 3% +0.0 0.36 ± 4% perf-profile.self.cycles-pp.recv_tcp_stream
0.11 ± 3% +0.0 0.15 ± 2% perf-profile.self.cycles-pp.__sk_dst_check
0.06 ± 8% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.check_spread
0.13 ± 2% +0.0 0.17 perf-profile.self.cycles-pp.rw_verify_area
0.37 +0.0 0.42 perf-profile.self.cycles-pp.splice_direct_to_actor
0.12 +0.0 0.16 ± 2% perf-profile.self.cycles-pp.do_splice_to
0.18 ± 6% +0.0 0.22 ± 5% perf-profile.self.cycles-pp.cpuacct_charge
0.13 +0.0 0.18 ± 4% perf-profile.self.cycles-pp.page_cache_pipe_buf_confirm
0.15 ± 2% +0.0 0.20 ± 2% perf-profile.self.cycles-pp.fsnotify_perm
0.20 ± 2% +0.0 0.25 perf-profile.self.cycles-pp.pick_next_entity
0.10 ± 4% +0.1 0.16 ± 3% perf-profile.self.cycles-pp.rb_next
0.05 +0.1 0.10 perf-profile.self.cycles-pp.tcp_urg
0.00 +0.1 0.05 perf-profile.self.cycles-pp.check_cfs_rq_runtime
0.00 +0.1 0.05 perf-profile.self.cycles-pp.tcp_send_delayed_ack
0.00 +0.1 0.05 perf-profile.self.cycles-pp.tcp_grow_window
0.20 +0.1 0.25 perf-profile.self.cycles-pp.__entry_text_start
0.67 ± 4% +0.1 0.72 perf-profile.self.cycles-pp.___perf_sw_event
0.66 +0.1 0.72 perf-profile.self.cycles-pp.ip_finish_output2
0.22 ± 2% +0.1 0.27 perf-profile.self.cycles-pp.filemap_get_pages
0.20 ± 2% +0.1 0.25 perf-profile.self.cycles-pp.tcp_data_queue
0.22 ± 2% +0.1 0.28 ± 2% perf-profile.self.cycles-pp.sanity
0.70 +0.1 0.76 perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.10 ± 5% +0.1 0.16 perf-profile.self.cycles-pp.tcp_rearm_rto
1.24 +0.1 1.31 perf-profile.self.cycles-pp.__schedule
0.29 +0.1 0.36 ± 2% perf-profile.self.cycles-pp.__put_user_8
0.41 +0.1 0.48 perf-profile.self.cycles-pp.os_xsave
0.39 +0.1 0.46 perf-profile.self.cycles-pp._copy_to_iter
0.10 ± 6% +0.1 0.17 ± 2% perf-profile.self.cycles-pp.rb_erase
0.00 +0.1 0.08 ± 6% perf-profile.self.cycles-pp.inet_sendmsg
0.23 +0.1 0.31 perf-profile.self.cycles-pp.aa_file_perm
0.33 ± 2% +0.1 0.40 perf-profile.self.cycles-pp.check_heap_object
0.61 +0.1 0.68 ± 2% perf-profile.self.cycles-pp.apparmor_file_permission
0.30 +0.1 0.38 perf-profile.self.cycles-pp.security_file_permission
0.42 +0.1 0.50 perf-profile.self.cycles-pp.__virt_addr_valid
0.41 +0.1 0.50 perf-profile.self.cycles-pp.iov_iter_advance
0.42 +0.1 0.51 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.50 +0.1 0.59 perf-profile.self.cycles-pp.atime_needs_update
0.27 ± 6% +0.1 0.36 ± 2% perf-profile.self.cycles-pp.enqueue_task_fair
0.34 +0.1 0.44 perf-profile.self.cycles-pp.current_time
0.37 +0.1 0.46 perf-profile.self.cycles-pp.sendfile
0.00 +0.1 0.10 perf-profile.self.cycles-pp.switch_ldt
0.69 +0.1 0.79 perf-profile.self.cycles-pp.skb_release_data
0.66 +0.1 0.76 perf-profile.self.cycles-pp.__fget_light
0.00 +0.1 0.11 ± 6% perf-profile.self.cycles-pp.apparmor_socket_sock_rcv_skb
0.41 +0.1 0.52 perf-profile.self.cycles-pp.generic_file_splice_read
0.48 +0.1 0.59 perf-profile.self.cycles-pp.page_cache_pipe_buf_release
0.62 +0.1 0.74 perf-profile.self.cycles-pp.__skb_datagram_iter
0.00 +0.1 0.12 ± 4% perf-profile.self.cycles-pp.sock_from_file
0.00 +0.1 0.12 ± 3% perf-profile.self.cycles-pp.security_socket_sendmsg
0.47 +0.1 0.61 perf-profile.self.cycles-pp.__check_object_size
0.44 +0.1 0.58 perf-profile.self.cycles-pp.sendfile_tcp_stream
0.56 +0.1 0.71 perf-profile.self.cycles-pp._copy_from_user
2.18 +0.2 2.33 perf-profile.self.cycles-pp.switch_mm_irqs_off
0.00 +0.2 0.18 ± 2% perf-profile.self.cycles-pp.tcp_sendmsg
0.73 +0.2 0.92 perf-profile.self.cycles-pp.restore_fpregs_from_fpstate
0.71 +0.2 0.92 perf-profile.self.cycles-pp.iov_iter_extract_pages
0.00 +0.2 0.22 ± 2% perf-profile.self.cycles-pp.sock_sendmsg
0.96 +0.2 1.20 perf-profile.self.cycles-pp.copy_page_to_iter_pipe
0.75 +0.3 1.01 perf-profile.self.cycles-pp.skb_append_pagefrags
1.10 +0.3 1.38 perf-profile.self.cycles-pp.filemap_get_read_batch
0.08 ± 4% +0.3 0.36 perf-profile.self.cycles-pp.aa_sk_perm
1.10 +0.3 1.38 perf-profile.self.cycles-pp.__fsnotify_parent
1.33 +0.4 1.70 perf-profile.self.cycles-pp.filemap_read
5.60 +1.4 7.04 perf-profile.self.cycles-pp.copyout
0.00 +2.0 2.05 perf-profile.self.cycles-pp.splice_to_socket
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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