From: kernel test robot <oliver.sang@intel.com>
To: <jason.zeng@intel.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <oliver.sang@intel.com>
Subject: [bytedance:5.15-velinux] [mm/page_alloc] 70a0ba8eec: netperf.Throughput_Mbps 157.8% improvement
Date: Fri, 24 Oct 2025 13:38:47 +0800 [thread overview]
Message-ID: <202510241319.250f4fef-lkp@intel.com> (raw)
Hello,
kernel test robot noticed a 157.8% improvement of netperf.Throughput_Mbps on:
commit: 70a0ba8eec7fecbbdf4d0aab45233a10ec83ab31 ("mm/page_alloc: limit number of high-order pages on PCP during bulk free")
https://github.com/bytedance/kernel.git 5.15-velinux
testcase: netperf
config: x86_64-bytedance-5.15-velinux
compiler: gcc-12
test machine: 256 threads 2 sockets Intel(R) Xeon(R) 6767P CPU @ 2.4GHz (Granite Rapids) with 256G memory
parameters:
ip: ipv4
runtime: 300s
nr_threads: 50%
cluster: cs-localhost
test: UDP_STREAM
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251024/202510241319.250f4fef-lkp@intel.com
=========================================================================================
cluster/compiler/cpufreq_governor/ip/kconfig/nr_threads/rootfs/runtime/tbox_group/test/testcase:
cs-localhost/gcc-12/performance/ipv4/x86_64-bytedance-5.15-velinux/50%/debian-13-x86_64-20250902.cgz/300s/lkp-gnr-2sp3/UDP_STREAM/netperf
commit:
55140b0d44 ("mm/page_alloc: free pages in a single pass during bulk free")
70a0ba8eec ("mm/page_alloc: limit number of high-order pages on PCP during bulk free")
55140b0d4411f37e 70a0ba8eec7fecbbdf4d0aab452
---------------- ---------------------------
%stddev %change %stddev
\ | \
86953 -21.7% 68097 uptime.idle
2.148e+10 ± 3% -88.9% 2.383e+09 ± 2% cpuidle..time
3.947e+08 ± 3% -99.8% 927032 ± 8% cpuidle..usage
840.50 ± 13% -72.2% 233.83 ± 13% perf-c2c.DRAM.local
132713 -73.1% 35759 ± 11% perf-c2c.HITM.local
2944 ± 2% +92.3% 5663 ± 16% perf-c2c.HITM.remote
135657 -69.5% 41423 ± 8% perf-c2c.HITM.total
27.73 ± 2% -24.8 2.90 ± 7% mpstat.cpu.all.idle%
15.95 ± 8% -14.7 1.26 ± 4% mpstat.cpu.all.soft%
55.64 +39.9 95.49 mpstat.cpu.all.sys%
0.68 -0.3 0.35 ± 5% mpstat.cpu.all.usr%
264.67 ± 6% -51.6% 128.17 ± 60% mpstat.max_utilization.seconds
75.80 +31.5% 99.71 mpstat.max_utilization_pct
2640 +32.0% 3484 turbostat.Avg_MHz
73.34 +23.4 96.79 turbostat.Busy%
27.42 ± 2% -24.4 2.98 ± 2% turbostat.C1%
0.12 ± 4% -14.3% 0.10 turbostat.IPC
4.817e+08 ± 2% -78.7% 1.025e+08 turbostat.IRQ
11472272 +10.7% 12705147 turbostat.NMI
0.02 ± 17% -0.0 0.00 turbostat.POLL%
645.37 -7.6% 596.50 turbostat.PkgWatt
21473 +41.6% 30408 ± 2% netperf.ThroughputBoth_Mbps
2748559 +41.6% 3892308 ± 2% netperf.ThroughputBoth_total_Mbps
10543 -78.8% 2230 ± 4% netperf.ThroughputRecv_Mbps
1349560 -78.8% 285540 ± 4% netperf.ThroughputRecv_total_Mbps
10929 ± 3% +157.8% 28177 ± 2% netperf.Throughput_Mbps
1398999 ± 3% +157.8% 3606768 ± 2% netperf.Throughput_total_Mbps
114930 ± 19% +19082.1% 22046105 ± 19% netperf.time.involuntary_context_switches
88.44 ± 3% +81.4% 160.43 ± 3% netperf.time.user_time
1.573e+09 +41.6% 2.228e+09 ± 2% netperf.workload
0.75 ± 5% +669.2% 5.78 ± 53% perf-sched.total_wait_and_delay.average.ms
3961911 -85.2% 587653 ± 65% perf-sched.total_wait_and_delay.count.ms
7677 ± 14% -48.0% 3989 ± 13% perf-sched.total_wait_and_delay.max.ms
0.66 ± 4% +763.7% 5.74 ± 52% perf-sched.total_wait_time.average.ms
4976 -24.1% 3776 ± 7% perf-sched.total_wait_time.max.ms
0.75 ± 5% +669.2% 5.78 ± 53% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
3961911 -85.2% 587653 ± 65% perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown]
7677 ± 14% -48.0% 3989 ± 13% perf-sched.wait_and_delay.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
0.66 ± 4% +763.7% 5.74 ± 52% perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
4976 -24.1% 3776 ± 7% perf-sched.wait_time.max.ms.[unknown].[unknown].[unknown].[unknown].[unknown]
1013810 ± 2% +72.7% 1751139 ± 12% meminfo.Active
1013235 ± 2% +72.8% 1750563 ± 12% meminfo.Active(anon)
965784 -16.9% 802110 meminfo.AnonPages
9128042 -40.8% 5407071 ± 4% meminfo.Cached
6772256 -57.5% 2880600 ± 8% meminfo.Committed_AS
5551502 -83.4% 919631 ± 3% meminfo.Inactive
5551354 -83.4% 919483 ± 3% meminfo.Inactive(anon)
3549531 -89.1% 386805 ± 12% meminfo.Mapped
13247319 -35.6% 8534127 ± 3% meminfo.Memused
22057 -29.8% 15491 meminfo.PageTables
5602172 -66.4% 1881201 ± 12% meminfo.Shmem
13376418 -33.9% 8846841 ± 2% meminfo.max_used_kB
931.16 ± 23% +4921.5% 46758 ±146% numa-vmstat.node0.nr_active_anon
124950 -72.8% 34006 ± 14% numa-vmstat.node0.nr_mapped
1449 ± 19% +3512.1% 52351 ±144% numa-vmstat.node0.nr_shmem
931.16 ± 23% +4921.4% 46757 ±146% numa-vmstat.node0.nr_zone_active_anon
252137 ± 2% +55.1% 391082 ± 10% numa-vmstat.node1.nr_active_anon
1412738 ± 2% -67.5% 458528 ± 14% numa-vmstat.node1.nr_file_pages
1234368 ± 4% -89.9% 125143 ± 61% numa-vmstat.node1.nr_inactive_anon
764116 -91.8% 62578 ± 18% numa-vmstat.node1.nr_mapped
3359 ± 8% -41.6% 1960 ± 14% numa-vmstat.node1.nr_page_table_pages
1399125 -70.1% 418018 ± 10% numa-vmstat.node1.nr_shmem
252137 ± 2% +55.1% 391081 ± 10% numa-vmstat.node1.nr_zone_active_anon
1234367 ± 4% -89.9% 125143 ± 61% numa-vmstat.node1.nr_zone_inactive_anon
4204 ± 23% +4347.7% 186988 ±146% numa-meminfo.node0.Active
3724 ± 23% +4913.0% 186700 ±146% numa-meminfo.node0.Active(anon)
498738 -72.7% 136034 ± 14% numa-meminfo.node0.Mapped
5798 ± 19% +3511.2% 209412 ±144% numa-meminfo.node0.Shmem
1009339 ± 2% +55.0% 1564631 ± 10% numa-meminfo.node1.Active
1009243 ± 2% +55.0% 1564344 ± 10% numa-meminfo.node1.Active(anon)
5650898 ± 2% -67.5% 1834433 ± 14% numa-meminfo.node1.FilePages
4936718 ± 4% -89.9% 500899 ± 61% numa-meminfo.node1.Inactive
4936693 ± 4% -89.9% 500825 ± 61% numa-meminfo.node1.Inactive(anon)
3053490 -91.7% 252553 ± 17% numa-meminfo.node1.Mapped
7486356 ± 4% -55.7% 3316775 ± 16% numa-meminfo.node1.MemUsed
13431 ± 8% -41.6% 7845 ± 14% numa-meminfo.node1.PageTables
5596446 -70.1% 1672391 ± 10% numa-meminfo.node1.Shmem
253460 ± 2% +72.7% 437631 ± 12% proc-vmstat.nr_active_anon
241472 -16.9% 200542 proc-vmstat.nr_anon_pages
6120877 +1.9% 6238602 proc-vmstat.nr_dirty_background_threshold
12256721 +1.9% 12492458 proc-vmstat.nr_dirty_threshold
2282483 -40.8% 1351838 ± 4% proc-vmstat.nr_file_pages
61581025 +1.9% 62759954 proc-vmstat.nr_free_pages
1388160 -83.4% 229959 ± 3% proc-vmstat.nr_inactive_anon
889178 -89.0% 97383 ± 12% proc-vmstat.nr_mapped
5523 -29.9% 3872 proc-vmstat.nr_page_table_pages
1401014 -66.4% 470370 ± 12% proc-vmstat.nr_shmem
49237 -3.8% 47374 proc-vmstat.nr_slab_reclaimable
125948 -1.3% 124255 proc-vmstat.nr_slab_unreclaimable
253460 ± 2% +72.7% 437631 ± 12% proc-vmstat.nr_zone_active_anon
1388160 -83.4% 229959 ± 3% proc-vmstat.nr_zone_inactive_anon
1.576e+09 +40.2% 2.21e+09 ± 2% proc-vmstat.numa_hit
1.576e+09 +40.2% 2.21e+09 ± 2% proc-vmstat.numa_local
162736 ± 14% +85.7% 302272 ± 18% proc-vmstat.pgactivate
1.573e+09 +40.4% 2.208e+09 ± 2% proc-vmstat.pgalloc_normal
1585512 -16.9% 1318078 proc-vmstat.pgfault
1.57e+09 +40.6% 2.208e+09 ± 2% proc-vmstat.pgfree
38581 +16.9% 45092 proc-vmstat.pgreuse
1.36 ± 4% -20.2% 1.08 ± 14% perf-stat.i.MPKI
1.716e+10 ± 2% +7.4% 1.843e+10 ± 2% perf-stat.i.branch-instructions
0.31 -0.2 0.09 perf-stat.i.branch-miss-rate%
53096999 -72.6% 14544729 ± 2% perf-stat.i.branch-misses
1.83 ± 6% +6.9 8.69 ± 22% perf-stat.i.cache-miss-rate%
6.645e+09 -81.8% 1.207e+09 ± 8% perf-stat.i.cache-references
2618496 ± 3% -94.5% 143522 ± 18% perf-stat.i.context-switches
8.58 ± 2% +14.4% 9.82 ± 2% perf-stat.i.cpi
6.869e+11 +30.1% 8.935e+11 perf-stat.i.cpu-cycles
46520 ± 26% -99.5% 255.07 perf-stat.i.cpu-migrations
6419 ± 3% +67.7% 10764 ± 16% perf-stat.i.cycles-between-cache-misses
8e+10 ± 2% +12.5% 8.997e+10 ± 2% perf-stat.i.instructions
0.12 ± 2% -9.8% 0.11 ± 2% perf-stat.i.ipc
10.23 ± 3% -98.6% 0.14 ± 58% perf-stat.i.metric.K/sec
4878 -18.2% 3988 perf-stat.i.minor-faults
4881 -18.2% 3991 perf-stat.i.page-faults
1.34 ± 4% -19.4% 1.08 ± 14% perf-stat.overall.MPKI
0.31 -0.2 0.08 perf-stat.overall.branch-miss-rate%
1.61 ± 2% +6.6 8.22 ± 22% perf-stat.overall.cache-miss-rate%
8.57 ± 2% +15.7% 9.91 ± 2% perf-stat.overall.cpi
6420 ± 3% +46.8% 9428 ± 16% perf-stat.overall.cycles-between-cache-misses
0.12 ± 2% -13.6% 0.10 ± 2% perf-stat.overall.ipc
15502 -20.0% 12401 perf-stat.overall.path-length
1.717e+10 ± 2% +7.6% 1.848e+10 ± 2% perf-stat.ps.branch-instructions
53004191 -72.4% 14638673 ± 2% perf-stat.ps.branch-misses
6.631e+09 -81.9% 1.203e+09 ± 8% perf-stat.ps.cache-references
2614035 ± 3% -94.4% 146411 ± 18% perf-stat.ps.context-switches
6.853e+11 +30.4% 8.935e+11 perf-stat.ps.cpu-cycles
46475 ± 25% -99.5% 247.55 perf-stat.ps.cpu-migrations
8.003e+10 +12.7% 9.022e+10 ± 2% perf-stat.ps.instructions
4755 -18.9% 3859 perf-stat.ps.minor-faults
4758 -18.8% 3862 perf-stat.ps.page-faults
2.439e+13 +13.3% 2.763e+13 ± 2% perf-stat.total.instructions
228146 ± 27% -96.7% 7597 ±141% sched_debug.cfs_rq:/.MIN_vruntime.avg
22331084 ± 10% -91.3% 1944137 ±141% sched_debug.cfs_rq:/.MIN_vruntime.max
2069150 ± 17% -94.1% 121288 ±141% sched_debug.cfs_rq:/.MIN_vruntime.stddev
0.62 +34.6% 0.84 sched_debug.cfs_rq:/.h_nr_running.avg
0.40 -79.2% 0.08 ± 9% sched_debug.cfs_rq:/.h_nr_running.stddev
228146 ± 27% -96.7% 7597 ±141% sched_debug.cfs_rq:/.max_vruntime.avg
22331084 ± 10% -91.3% 1944137 ±141% sched_debug.cfs_rq:/.max_vruntime.max
2069150 ± 17% -94.1% 121288 ±141% sched_debug.cfs_rq:/.max_vruntime.stddev
21297524 ± 7% +83.4% 39059246 sched_debug.cfs_rq:/.min_vruntime.avg
29255285 ± 7% +35.0% 39484619 sched_debug.cfs_rq:/.min_vruntime.max
12149520 ± 8% +90.3% 23117001 ± 11% sched_debug.cfs_rq:/.min_vruntime.min
3965031 ± 13% -60.4% 1568773 ± 11% sched_debug.cfs_rq:/.min_vruntime.stddev
0.62 +34.7% 0.84 sched_debug.cfs_rq:/.nr_running.avg
0.40 -82.8% 0.07 ± 9% sched_debug.cfs_rq:/.nr_running.stddev
642.64 +35.1% 868.05 sched_debug.cfs_rq:/.runnable_avg.avg
12.72 ±196% +1646.5% 222.19 ± 33% sched_debug.cfs_rq:/.runnable_avg.min
272.63 -72.3% 75.64 ± 6% sched_debug.cfs_rq:/.runnable_avg.stddev
1510202 ± 86% -109.2% -139483 sched_debug.cfs_rq:/.spread0.avg
9468217 ± 17% -96.9% 288852 ±192% sched_debug.cfs_rq:/.spread0.max
-7640223 +110.5% -16085770 sched_debug.cfs_rq:/.spread0.min
3965570 ± 13% -60.4% 1568865 ± 11% sched_debug.cfs_rq:/.spread0.stddev
641.82 +34.9% 865.99 sched_debug.cfs_rq:/.util_avg.avg
1107 ± 5% -9.7% 999.89 sched_debug.cfs_rq:/.util_avg.max
11.22 ±215% +1672.3% 198.89 ± 33% sched_debug.cfs_rq:/.util_avg.min
271.63 -72.1% 75.66 ± 7% sched_debug.cfs_rq:/.util_avg.stddev
282.84 ± 2% +83.2% 518.08 ± 3% sched_debug.cfs_rq:/.util_est_enqueued.avg
196.82 +10.1% 216.79 ± 2% sched_debug.cfs_rq:/.util_est_enqueued.stddev
538212 +42.0% 764052 ± 2% sched_debug.cpu.avg_idle.avg
424676 -32.0% 288955 ± 3% sched_debug.cpu.avg_idle.stddev
6049 +36.3% 8247 sched_debug.cpu.curr->pid.avg
3855 -80.9% 736.09 ± 5% sched_debug.cpu.curr->pid.stddev
0.00 ± 49% +117.2% 0.00 ± 50% sched_debug.cpu.next_balance.stddev
0.62 +35.0% 0.84 sched_debug.cpu.nr_running.avg
0.41 -78.0% 0.09 ± 9% sched_debug.cpu.nr_running.stddev
1506613 ± 10% -94.2% 88111 ± 18% sched_debug.cpu.nr_switches.avg
726658 ± 14% -52.6% 344629 ± 24% sched_debug.cpu.nr_switches.stddev
46.92 ± 4% -33.6 13.30 ± 2% perf-profile.calltrace.cycles-pp.__ip_append_data.ip_make_skb.udp_sendmsg.__sock_sendmsg.__sys_sendto
40.10 ± 4% -32.5 7.55 perf-profile.calltrace.cycles-pp.sk_page_frag_refill.__ip_append_data.ip_make_skb.udp_sendmsg.__sock_sendmsg
40.08 ± 4% -32.5 7.53 perf-profile.calltrace.cycles-pp.skb_page_frag_refill.sk_page_frag_refill.__ip_append_data.ip_make_skb.udp_sendmsg
39.59 ± 4% -32.3 7.31 perf-profile.calltrace.cycles-pp.__alloc_pages.skb_page_frag_refill.sk_page_frag_refill.__ip_append_data.ip_make_skb
39.52 ± 4% -32.3 7.26 perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages.skb_page_frag_refill.sk_page_frag_refill.__ip_append_data
39.09 ± 4% -32.1 6.98 perf-profile.calltrace.cycles-pp.rmqueue.get_page_from_freelist.__alloc_pages.skb_page_frag_refill.sk_page_frag_refill
38.76 ± 4% -32.1 6.70 perf-profile.calltrace.cycles-pp.rmqueue_bulk.rmqueue.get_page_from_freelist.__alloc_pages.skb_page_frag_refill
38.32 ± 5% -31.7 6.64 perf-profile.calltrace.cycles-pp._raw_spin_lock.rmqueue_bulk.rmqueue.get_page_from_freelist.__alloc_pages
38.23 ± 5% -31.6 6.63 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.rmqueue_bulk.rmqueue.get_page_from_freelist
18.60 ± 7% -18.6 0.00 perf-profile.calltrace.cycles-pp.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu
18.72 ± 7% -17.8 0.92 ± 6% perf-profile.calltrace.cycles-pp.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core
18.70 ± 7% -17.8 0.90 ± 6% perf-profile.calltrace.cycles-pp.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish
18.78 ± 7% -17.8 1.03 ± 5% perf-profile.calltrace.cycles-pp.__udp4_lib_rcv.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog
18.80 ± 7% -17.8 1.04 ± 6% perf-profile.calltrace.cycles-pp.ip_protocol_deliver_rcu.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog.__napi_poll
18.80 ± 7% -17.8 1.05 ± 6% perf-profile.calltrace.cycles-pp.ip_local_deliver_finish.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action
18.87 ± 7% -17.7 1.16 ± 5% perf-profile.calltrace.cycles-pp.__netif_receive_skb_one_core.process_backlog.__napi_poll.net_rx_action.__softirqentry_text_start
18.91 ± 7% -17.7 1.23 ± 5% perf-profile.calltrace.cycles-pp.process_backlog.__napi_poll.net_rx_action.__softirqentry_text_start.do_softirq
18.92 ± 7% -17.7 1.24 ± 5% perf-profile.calltrace.cycles-pp.__napi_poll.net_rx_action.__softirqentry_text_start.do_softirq.__local_bh_enable_ip
18.93 ± 7% -17.7 1.27 ± 5% perf-profile.calltrace.cycles-pp.net_rx_action.__softirqentry_text_start.do_softirq.__local_bh_enable_ip.ip_finish_output2
18.95 ± 7% -17.6 1.30 ± 5% perf-profile.calltrace.cycles-pp.__softirqentry_text_start.do_softirq.__local_bh_enable_ip.ip_finish_output2.ip_send_skb
18.97 ± 7% -17.6 1.32 ± 5% perf-profile.calltrace.cycles-pp.__local_bh_enable_ip.ip_finish_output2.ip_send_skb.udp_send_skb.udp_sendmsg
18.97 ± 7% -17.6 1.32 ± 5% perf-profile.calltrace.cycles-pp.do_softirq.__local_bh_enable_ip.ip_finish_output2.ip_send_skb.udp_send_skb
66.78 -17.4 49.36 perf-profile.calltrace.cycles-pp.udp_sendmsg.__sock_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64
66.80 -17.4 49.40 perf-profile.calltrace.cycles-pp.__sock_sendmsg.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe
19.14 ± 7% -17.4 1.78 ± 7% perf-profile.calltrace.cycles-pp.ip_finish_output2.ip_send_skb.udp_send_skb.udp_sendmsg.__sock_sendmsg
66.91 -17.3 49.58 perf-profile.calltrace.cycles-pp.__sys_sendto.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe.send_omni_inner
66.91 -17.3 49.59 perf-profile.calltrace.cycles-pp.__x64_sys_sendto.do_syscall_64.entry_SYSCALL_64_after_hwframe.send_omni_inner.send_udp_stream
66.95 -17.3 49.68 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.send_omni_inner.send_udp_stream.main
66.93 -17.3 49.66 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.send_omni_inner.send_udp_stream.main
67.06 -17.2 49.84 perf-profile.calltrace.cycles-pp.send_omni_inner.send_udp_stream.main
67.06 -17.2 49.84 perf-profile.calltrace.cycles-pp.send_udp_stream.main
19.20 ± 7% -17.1 2.05 ± 8% perf-profile.calltrace.cycles-pp.ip_send_skb.udp_send_skb.udp_sendmsg.__sock_sendmsg.__sys_sendto
19.22 ± 7% -17.0 2.19 ± 10% perf-profile.calltrace.cycles-pp.udp_send_skb.udp_sendmsg.__sock_sendmsg.__sys_sendto.__x64_sys_sendto
14.66 ± 7% -14.7 0.00 perf-profile.calltrace.cycles-pp.__sk_mem_raise_allocated.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb.__udp4_lib_rcv
14.29 ± 7% -14.3 0.00 perf-profile.calltrace.cycles-pp.mem_cgroup_charge_skmem.__sk_mem_raise_allocated.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb.udp_unicast_rcv_skb
13.68 ± 7% -13.7 0.00 perf-profile.calltrace.cycles-pp.try_charge_memcg.mem_cgroup_charge_skmem.__sk_mem_raise_allocated.__udp_enqueue_schedule_skb.udp_queue_rcv_one_skb
11.15 ± 8% -11.1 0.00 perf-profile.calltrace.cycles-pp.__skb_recv_udp.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
8.46 ± 9% -8.5 0.00 perf-profile.calltrace.cycles-pp.udp_rmem_release.__skb_recv_udp.udp_recvmsg.inet_recvmsg.__sys_recvfrom
8.22 ± 7% -8.2 0.00 perf-profile.calltrace.cycles-pp.page_counter_try_charge.try_charge_memcg.mem_cgroup_charge_skmem.__sk_mem_raise_allocated.__udp_enqueue_schedule_skb
7.52 ± 7% -7.5 0.00 perf-profile.calltrace.cycles-pp.__sk_mem_reduce_allocated.udp_rmem_release.__skb_recv_udp.udp_recvmsg.inet_recvmsg
6.82 ± 8% -6.8 0.00 perf-profile.calltrace.cycles-pp.refill_stock.__sk_mem_reduce_allocated.udp_rmem_release.__skb_recv_udp.udp_recvmsg
6.74 ± 8% -6.7 0.00 perf-profile.calltrace.cycles-pp.drain_stock.refill_stock.__sk_mem_reduce_allocated.udp_rmem_release.__skb_recv_udp
6.68 ± 8% -6.7 0.00 perf-profile.calltrace.cycles-pp.page_counter_uncharge.drain_stock.refill_stock.__sk_mem_reduce_allocated.udp_rmem_release
7.52 -6.4 1.14 ± 6% perf-profile.calltrace.cycles-pp.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
7.51 -6.4 1.14 ± 6% perf-profile.calltrace.cycles-pp.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg.__sys_recvfrom
6.80 -5.8 1.05 ± 6% perf-profile.calltrace.cycles-pp._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg.inet_recvmsg
6.70 -5.7 1.03 ± 6% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string._copy_to_iter.__skb_datagram_iter.skb_copy_datagram_iter.udp_recvmsg
5.59 ± 2% -0.7 4.94 ± 4% perf-profile.calltrace.cycles-pp._copy_from_iter.ip_generic_getfrag.__ip_append_data.ip_make_skb.udp_sendmsg
5.37 ± 2% -0.6 4.73 ± 4% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string._copy_from_iter.ip_generic_getfrag.__ip_append_data.ip_make_skb
5.69 -0.6 5.08 ± 4% perf-profile.calltrace.cycles-pp.ip_generic_getfrag.__ip_append_data.ip_make_skb.udp_sendmsg.__sock_sendmsg
96.28 +3.3 99.62 perf-profile.calltrace.cycles-pp.main
28.41 ± 2% +21.4 49.78 perf-profile.calltrace.cycles-pp.accept_connection.accept_connections.main
28.41 ± 2% +21.4 49.78 perf-profile.calltrace.cycles-pp.accept_connections.main
28.41 ± 2% +21.4 49.78 perf-profile.calltrace.cycles-pp.process_requests.spawn_child.accept_connection.accept_connections.main
28.41 ± 2% +21.4 49.78 perf-profile.calltrace.cycles-pp.spawn_child.accept_connection.accept_connections.main
28.41 ± 2% +21.4 49.78 perf-profile.calltrace.cycles-pp.recv_omni.process_requests.spawn_child.accept_connection.accept_connections
28.14 ± 2% +21.6 49.76 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.recv_omni.process_requests.spawn_child.accept_connection
28.12 ± 2% +21.6 49.76 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv_omni.process_requests.spawn_child
27.97 ± 2% +21.8 49.74 perf-profile.calltrace.cycles-pp.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv_omni.process_requests
27.96 ± 2% +21.8 49.74 perf-profile.calltrace.cycles-pp.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe.recv_omni
27.71 ± 2% +22.0 49.71 perf-profile.calltrace.cycles-pp.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64.entry_SYSCALL_64_after_hwframe
27.70 ± 2% +22.0 49.71 perf-profile.calltrace.cycles-pp.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom.do_syscall_64
0.00 +33.2 33.16 perf-profile.calltrace.cycles-pp.ip_idents_reserve.__ip_select_ident.__ip_make_skb.ip_make_skb.udp_sendmsg
0.00 +33.4 33.36 perf-profile.calltrace.cycles-pp.__ip_select_ident.__ip_make_skb.ip_make_skb.udp_sendmsg.__sock_sendmsg
0.00 +33.5 33.46 perf-profile.calltrace.cycles-pp.__ip_make_skb.ip_make_skb.udp_sendmsg.__sock_sendmsg.__sys_sendto
8.89 ± 4% +39.4 48.33 perf-profile.calltrace.cycles-pp.skb_release_data.__consume_stateless_skb.udp_recvmsg.inet_recvmsg.__sys_recvfrom
8.89 ± 4% +39.4 48.33 perf-profile.calltrace.cycles-pp.__consume_stateless_skb.udp_recvmsg.inet_recvmsg.__sys_recvfrom.__x64_sys_recvfrom
8.44 ± 4% +39.5 47.99 perf-profile.calltrace.cycles-pp.free_unref_page.skb_release_data.__consume_stateless_skb.udp_recvmsg.inet_recvmsg
7.98 ± 5% +39.9 47.86 perf-profile.calltrace.cycles-pp.free_pcppages_bulk.free_unref_page.skb_release_data.__consume_stateless_skb.udp_recvmsg
7.64 ± 5% +40.1 47.71 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.free_pcppages_bulk.free_unref_page.skb_release_data
7.65 ± 5% +40.1 47.79 perf-profile.calltrace.cycles-pp._raw_spin_lock.free_pcppages_bulk.free_unref_page.skb_release_data.__consume_stateless_skb
46.92 ± 4% -33.6 13.31 ± 2% perf-profile.children.cycles-pp.__ip_append_data
40.10 ± 4% -32.5 7.55 perf-profile.children.cycles-pp.sk_page_frag_refill
40.08 ± 4% -32.5 7.54 perf-profile.children.cycles-pp.skb_page_frag_refill
39.63 ± 4% -32.3 7.37 perf-profile.children.cycles-pp.__alloc_pages
39.56 ± 4% -32.2 7.32 perf-profile.children.cycles-pp.get_page_from_freelist
39.14 ± 4% -32.1 7.03 perf-profile.children.cycles-pp.rmqueue
38.79 ± 4% -32.0 6.75 perf-profile.children.cycles-pp.rmqueue_bulk
18.61 ± 7% -18.4 0.17 ± 9% perf-profile.children.cycles-pp.__udp_enqueue_schedule_skb
18.72 ± 7% -17.8 0.92 ± 6% perf-profile.children.cycles-pp.udp_unicast_rcv_skb
18.70 ± 7% -17.8 0.91 ± 6% perf-profile.children.cycles-pp.udp_queue_rcv_one_skb
18.79 ± 7% -17.8 1.03 ± 6% perf-profile.children.cycles-pp.__udp4_lib_rcv
18.80 ± 7% -17.8 1.05 ± 5% perf-profile.children.cycles-pp.ip_protocol_deliver_rcu
18.80 ± 7% -17.8 1.05 ± 6% perf-profile.children.cycles-pp.ip_local_deliver_finish
19.03 ± 7% -17.7 1.31 ± 5% perf-profile.children.cycles-pp.__softirqentry_text_start
18.87 ± 7% -17.7 1.16 ± 5% perf-profile.children.cycles-pp.__netif_receive_skb_one_core
18.92 ± 7% -17.7 1.24 ± 5% perf-profile.children.cycles-pp.__napi_poll
18.92 ± 7% -17.7 1.24 ± 5% perf-profile.children.cycles-pp.process_backlog
18.93 ± 7% -17.7 1.27 ± 5% perf-profile.children.cycles-pp.net_rx_action
18.98 ± 7% -17.6 1.33 ± 5% perf-profile.children.cycles-pp.__local_bh_enable_ip
18.97 ± 7% -17.6 1.32 ± 5% perf-profile.children.cycles-pp.do_softirq
66.79 -17.4 49.37 perf-profile.children.cycles-pp.udp_sendmsg
66.80 -17.4 49.40 perf-profile.children.cycles-pp.__sock_sendmsg
19.14 ± 7% -17.4 1.78 ± 7% perf-profile.children.cycles-pp.ip_finish_output2
66.91 -17.3 49.59 perf-profile.children.cycles-pp.__sys_sendto
66.91 -17.3 49.59 perf-profile.children.cycles-pp.__x64_sys_sendto
67.06 -17.2 49.84 perf-profile.children.cycles-pp.send_omni_inner
67.06 -17.2 49.84 perf-profile.children.cycles-pp.send_udp_stream
19.20 ± 7% -17.1 2.05 ± 8% perf-profile.children.cycles-pp.ip_send_skb
19.22 ± 7% -17.0 2.20 ± 10% perf-profile.children.cycles-pp.udp_send_skb
14.66 ± 7% -14.6 0.10 ± 10% perf-profile.children.cycles-pp.__sk_mem_raise_allocated
14.30 ± 7% -14.2 0.07 ± 10% perf-profile.children.cycles-pp.mem_cgroup_charge_skmem
13.70 ± 7% -13.7 0.04 ± 45% perf-profile.children.cycles-pp.try_charge_memcg
11.15 ± 8% -11.0 0.20 ± 21% perf-profile.children.cycles-pp.__skb_recv_udp
8.46 ± 9% -8.4 0.10 ± 7% perf-profile.children.cycles-pp.udp_rmem_release
8.24 ± 7% -8.2 0.00 perf-profile.children.cycles-pp.page_counter_try_charge
7.52 ± 7% -7.4 0.09 ± 5% perf-profile.children.cycles-pp.__sk_mem_reduce_allocated
6.82 ± 8% -6.8 0.04 ± 45% perf-profile.children.cycles-pp.refill_stock
6.74 ± 8% -6.7 0.01 ±223% perf-profile.children.cycles-pp.drain_stock
6.68 ± 8% -6.7 0.00 perf-profile.children.cycles-pp.page_counter_uncharge
7.52 -6.4 1.14 ± 6% perf-profile.children.cycles-pp.skb_copy_datagram_iter
7.51 -6.4 1.14 ± 6% perf-profile.children.cycles-pp.__skb_datagram_iter
12.24 -6.3 5.92 ± 4% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
6.81 -5.8 1.05 ± 6% perf-profile.children.cycles-pp._copy_to_iter
1.12 ± 7% -1.1 0.04 ± 44% perf-profile.children.cycles-pp.__mod_memcg_state
0.88 -0.8 0.09 ± 61% perf-profile.children.cycles-pp.__schedule
0.82 -0.8 0.05 ±102% perf-profile.children.cycles-pp.__skb_wait_for_more_packets
0.88 ± 4% -0.7 0.13 ± 3% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
0.82 ± 4% -0.7 0.13 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
0.81 ± 4% -0.7 0.12 ± 3% perf-profile.children.cycles-pp.hrtimer_interrupt
0.76 ± 4% -0.7 0.09 perf-profile.children.cycles-pp.__hrtimer_run_queues
0.75 ± 4% -0.7 0.09 ± 4% perf-profile.children.cycles-pp.tick_sched_timer
5.60 ± 2% -0.7 4.94 ± 4% perf-profile.children.cycles-pp._copy_from_iter
0.71 -0.7 0.05 ±102% perf-profile.children.cycles-pp.schedule_timeout
0.73 ± 4% -0.7 0.08 perf-profile.children.cycles-pp.tick_sched_handle
0.73 ± 4% -0.7 0.08 perf-profile.children.cycles-pp.update_process_times
0.97 ± 4% -0.6 0.34 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
5.70 ± 2% -0.6 5.09 ± 4% perf-profile.children.cycles-pp.ip_generic_getfrag
0.66 -0.6 0.09 ± 61% perf-profile.children.cycles-pp.schedule
0.54 -0.5 0.06 ± 11% perf-profile.children.cycles-pp.simple_copy_to_iter
0.81 ± 4% -0.5 0.32 ± 10% perf-profile.children.cycles-pp.handle_internal_command
0.81 ± 4% -0.5 0.32 ± 10% perf-profile.children.cycles-pp.run_builtin
0.80 ± 4% -0.5 0.32 ± 10% perf-profile.children.cycles-pp.cmd_record
0.63 -0.4 0.20 ± 3% perf-profile.children.cycles-pp.__check_object_size
0.28 -0.2 0.05 perf-profile.children.cycles-pp.__free_one_page
0.28 ± 4% -0.1 0.14 ± 12% perf-profile.children.cycles-pp.__zone_watermark_ok
0.38 -0.1 0.25 ± 5% perf-profile.children.cycles-pp.sock_alloc_send_pskb
0.12 ± 3% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.__ksize
0.19 ± 2% -0.1 0.10 ± 3% perf-profile.children.cycles-pp.free_pcp_prepare
0.15 ± 2% -0.1 0.06 ± 49% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.13 -0.1 0.04 ± 74% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
0.26 -0.1 0.20 ± 6% perf-profile.children.cycles-pp.__alloc_skb
0.27 -0.1 0.20 ± 6% perf-profile.children.cycles-pp.alloc_skb_with_frags
0.12 -0.1 0.06 perf-profile.children.cycles-pp.__slab_free
0.12 ± 6% -0.1 0.06 perf-profile.children.cycles-pp.scheduler_tick
0.12 ± 3% -0.1 0.07 ± 7% perf-profile.children.cycles-pp.sockfd_lookup_light
0.11 ± 3% -0.0 0.06 perf-profile.children.cycles-pp.__fget_light
0.18 -0.0 0.15 ± 3% perf-profile.children.cycles-pp.kfree
0.09 -0.0 0.06 ± 6% perf-profile.children.cycles-pp.__virt_addr_valid
0.06 ± 6% -0.0 0.05 perf-profile.children.cycles-pp.syscall_return_via_sysret
0.05 +0.0 0.06 ± 7% perf-profile.children.cycles-pp.__udp4_lib_lookup
0.18 ± 11% +0.0 0.22 ± 9% perf-profile.children.cycles-pp.generic_perform_write
0.18 ± 12% +0.0 0.22 ± 9% perf-profile.children.cycles-pp.generic_file_write_iter
0.19 ± 12% +0.0 0.23 ± 10% perf-profile.children.cycles-pp.vfs_write
0.20 ± 11% +0.0 0.24 ± 10% perf-profile.children.cycles-pp.ksys_write
0.06 ± 6% +0.0 0.11 ± 4% perf-profile.children.cycles-pp.kmem_cache_free
0.05 ± 7% +0.1 0.10 ± 3% perf-profile.children.cycles-pp.move_addr_to_kernel
0.00 +0.1 0.05 perf-profile.children.cycles-pp.__mkroute_output
0.00 +0.1 0.05 perf-profile.children.cycles-pp.ip_finish_output
0.21 ± 15% +0.1 0.26 ± 11% perf-profile.children.cycles-pp.record__pushfn
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.sk_filter_trim_cap
0.00 +0.1 0.06 perf-profile.children.cycles-pp.enqueue_to_backlog
0.00 +0.1 0.06 perf-profile.children.cycles-pp.ip_rcv
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.netif_rx_internal
0.11 ± 6% +0.1 0.17 ± 5% perf-profile.children.cycles-pp.fib_table_lookup
0.00 +0.1 0.07 ± 7% perf-profile.children.cycles-pp.netif_rx
0.00 +0.1 0.07 ± 5% perf-profile.children.cycles-pp._copy_from_user
0.00 +0.1 0.08 perf-profile.children.cycles-pp.__cgroup_bpf_run_filter_skb
0.12 ± 4% +0.1 0.20 ± 4% perf-profile.children.cycles-pp.ip_route_output_key_hash_rcu
0.17 ± 4% +0.1 0.28 ± 5% perf-profile.children.cycles-pp.ip_route_output_flow
0.00 +0.1 0.12 ± 28% perf-profile.children.cycles-pp.udp4_hwcsum
0.18 ± 4% +0.1 0.33 ± 13% perf-profile.children.cycles-pp.free_unref_page_commit
0.00 +0.1 0.15 ± 29% perf-profile.children.cycles-pp.ip_send_check
0.00 +0.2 0.17 ± 25% perf-profile.children.cycles-pp.__ip_local_out
0.09 ± 8% +0.2 0.28 ± 22% perf-profile.children.cycles-pp.loopback_xmit
0.00 +0.2 0.20 ± 30% perf-profile.children.cycles-pp.sock_wfree
0.09 ± 4% +0.2 0.30 ± 22% perf-profile.children.cycles-pp.xmit_one
0.10 ± 6% +0.2 0.30 ± 20% perf-profile.children.cycles-pp.dev_hard_start_xmit
0.14 ± 2% +0.3 0.40 ± 16% perf-profile.children.cycles-pp.__dev_queue_xmit
0.00 +0.6 0.55 ± 8% perf-profile.children.cycles-pp.kfree_skb_reason
51.74 ± 3% +2.9 54.59 perf-profile.children.cycles-pp._raw_spin_lock
51.51 ± 3% +2.9 54.39 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
96.28 +3.7 99.95 perf-profile.children.cycles-pp.main
95.33 +4.4 99.71 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
95.30 +4.4 99.70 perf-profile.children.cycles-pp.do_syscall_64
28.41 ± 2% +21.4 49.78 perf-profile.children.cycles-pp.accept_connection
28.41 ± 2% +21.4 49.78 perf-profile.children.cycles-pp.accept_connections
28.41 ± 2% +21.4 49.78 perf-profile.children.cycles-pp.process_requests
28.41 ± 2% +21.4 49.78 perf-profile.children.cycles-pp.recv_omni
28.41 ± 2% +21.4 49.78 perf-profile.children.cycles-pp.spawn_child
27.98 ± 2% +21.8 49.76 perf-profile.children.cycles-pp.__x64_sys_recvfrom
27.97 ± 2% +21.8 49.76 perf-profile.children.cycles-pp.__sys_recvfrom
27.71 ± 2% +22.0 49.72 perf-profile.children.cycles-pp.inet_recvmsg
27.70 ± 2% +22.0 49.72 perf-profile.children.cycles-pp.udp_recvmsg
0.36 ± 6% +33.0 33.32 perf-profile.children.cycles-pp.ip_idents_reserve
0.38 ± 5% +33.0 33.37 perf-profile.children.cycles-pp.__ip_select_ident
0.42 ± 5% +33.0 33.46 perf-profile.children.cycles-pp.__ip_make_skb
8.89 ± 4% +39.4 48.33 perf-profile.children.cycles-pp.__consume_stateless_skb
8.00 ± 5% +39.9 47.86 perf-profile.children.cycles-pp.free_pcppages_bulk
8.45 ± 4% +40.0 48.42 perf-profile.children.cycles-pp.free_unref_page
8.90 ± 4% +40.0 48.88 perf-profile.children.cycles-pp.skb_release_data
7.36 ± 6% -7.4 0.00 perf-profile.self.cycles-pp.page_counter_try_charge
12.06 -6.2 5.91 ± 4% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
5.58 ± 6% -5.6 0.00 perf-profile.self.cycles-pp.page_counter_uncharge
5.39 ± 7% -5.4 0.00 perf-profile.self.cycles-pp.try_charge_memcg
1.10 ± 7% -1.1 0.04 ± 44% perf-profile.self.cycles-pp.__mod_memcg_state
0.50 -0.4 0.11 ± 4% perf-profile.self.cycles-pp.__check_object_size
0.38 ± 2% -0.3 0.05 ± 8% perf-profile.self.cycles-pp.rmqueue_bulk
0.74 ± 2% -0.3 0.42 ± 6% perf-profile.self.cycles-pp.__ip_append_data
0.47 ± 2% -0.3 0.20 ± 8% perf-profile.self.cycles-pp.skb_page_frag_refill
0.28 ± 3% -0.1 0.14 ± 11% perf-profile.self.cycles-pp.__zone_watermark_ok
0.19 ± 3% -0.1 0.10 ± 3% perf-profile.self.cycles-pp.free_pcp_prepare
0.12 -0.1 0.06 perf-profile.self.cycles-pp.__slab_free
0.10 -0.0 0.05 ± 8% perf-profile.self.cycles-pp.__fget_light
0.22 -0.0 0.20 ± 5% perf-profile.self.cycles-pp._raw_spin_lock
0.06 ± 6% -0.0 0.05 perf-profile.self.cycles-pp.syscall_return_via_sysret
0.06 -0.0 0.05 perf-profile.self.cycles-pp.__alloc_pages
0.00 +0.1 0.05 perf-profile.self.cycles-pp.__cgroup_bpf_run_filter_skb
0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.kmem_cache_free
0.00 +0.1 0.06 ± 9% perf-profile.self.cycles-pp.kfree
0.23 ± 5% +0.1 0.29 ± 4% perf-profile.self.cycles-pp.skb_release_data
0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.free_unref_page
0.09 ± 6% +0.1 0.15 ± 5% perf-profile.self.cycles-pp.fib_table_lookup
0.00 +0.1 0.06 perf-profile.self.cycles-pp.send_omni_inner
0.01 ±223% +0.1 0.08 ± 6% perf-profile.self.cycles-pp.udp_sendmsg
0.00 +0.1 0.08 ± 6% perf-profile.self.cycles-pp.__ip_make_skb
0.00 +0.1 0.12 ± 29% perf-profile.self.cycles-pp.udp4_hwcsum
0.18 ± 4% +0.1 0.33 ± 13% perf-profile.self.cycles-pp.free_unref_page_commit
0.00 +0.1 0.15 ± 28% perf-profile.self.cycles-pp.ip_send_check
0.00 +0.2 0.18 ± 34% perf-profile.self.cycles-pp.sock_wfree
51.44 ± 3% +2.9 54.39 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
0.35 ± 5% +32.9 33.27 perf-profile.self.cycles-pp.ip_idents_reserve
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
reply other threads:[~2025-10-24 5:39 UTC|newest]
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