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2026-07-05 - 01:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack0slot2.osadl.org (updated Sun Jul 05, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
351681225821,31sleep70-21swapper/719:07:597
351674125141,7sleep40-21swapper/419:07:004
3517187994948,0cyclictest0-21swapper/721:14:207
3517180994138,2cyclictest3745129-21kworker/u16:2+events_unbound22:18:505
3517180994038,2cyclictest4169748-21kworker/u16:4+events_unbound00:06:395
3517180994038,2cyclictest3745129-21kworker/u16:2+events_unbound21:51:445
3517180993937,2cyclictest3745129-21kworker/u16:2+events_unbound23:08:205
351666823929,7sleep50-21swapper/519:05:575
3517187993836,1cyclictest106-21kcompactd000:24:357
3517180993836,2cyclictest3745129-21kworker/u16:2+events_unbound23:13:195
3517180993836,2cyclictest3745129-21kworker/u16:2+events_unbound21:44:165
3517187993736,0cyclictest0-21swapper/721:36:477
3517180993735,2cyclictest4116902-21kworker/u16:1+events_unbound23:46:395
3517180993735,2cyclictest3802909-21kworker/u16:3+events_unbound22:36:195
3517180993735,2cyclictest3745129-21kworker/u16:2+events_unbound22:10:555
3517180993735,2cyclictest22897-21kworker/u16:2+events_unbound00:22:155
40208772360,0sleep74020878-21ssh22:57:007
3517180993634,2cyclictest4116902-21kworker/u16:1+events_unbound23:53:115
3517180993634,2cyclictest4058682-21kworker/u16:3+events_unbound23:42:365
3517180993634,2cyclictest3982876-21kworker/u16:6+events_unbound22:57:435
3517180993634,2cyclictest3802909-21kworker/u16:3+events_unbound21:59:475
3517180993634,2cyclictest3745129-21kworker/u16:2+events_unbound23:00:185
3517180993634,2cyclictest3745129-21kworker/u16:2+events_unbound21:26:475
3517180993634,2cyclictest3725641-21kworker/u16:0+events_unbound21:17:035
351718799350,34cyclictest3656970-21latency_hist20:18:497
3517180993533,2cyclictest4169747-21kworker/u16:0+events_unbound00:15:205
3517180993533,2cyclictest39691-21kworker/u16:0+events_unbound00:29:505
3517180993533,2cyclictest3802909-21kworker/u16:3+events_unbound22:49:395
3517180993533,2cyclictest3802909-21kworker/u16:3+events_unbound22:15:445
3517180993533,2cyclictest3802909-21kworker/u16:3+events_unbound21:42:155
3517180993533,2cyclictest3725641-21kworker/u16:0+events_unbound21:20:245
351660123523,8sleep60-21swapper/619:05:016
3517180993432,2cyclictest4116902-21kworker/u16:1+events_unbound23:35:035
3517180993432,2cyclictest4058682-21kworker/u16:3+flush-8:000:26:235
3517180993432,2cyclictest4058682-21kworker/u16:3+events_unbound23:56:395
3517180993432,2cyclictest4009787-21kworker/u16:0+events_unbound23:30:435
3517180993432,2cyclictest3982876-21kworker/u16:6+events_unbound23:17:355
3517180993432,2cyclictest3802909-21kworker/u16:3+events_unbound22:07:085
3517180993432,2cyclictest3761058-21kworker/u16:1+events_unbound21:33:125
3517180993432,2cyclictest3745129-21kworker/u16:2+events_unbound22:43:145
3517180993432,2cyclictest3745129-21kworker/u16:2+events_unbound22:43:145
3517180993432,2cyclictest3745129-21kworker/u16:2+events_unbound22:31:075
3517187993331,1cyclictest3754493-21diskmemload22:07:227
3517180993331,2cyclictest4058682-21kworker/u16:3+events_unbound23:23:355
3517180993331,2cyclictest4058682-21kworker/u16:3+events_unbound23:23:355
3517180993331,2cyclictest4058682-21kworker/u16:3+events_unbound00:38:425
3517180993331,2cyclictest4058682-21kworker/u16:3+events_unbound00:13:315
3517180993331,2cyclictest4058682-21kworker/u16:3+events_unbound00:03:075
3517180993331,2cyclictest3802909-21kworker/u16:3+events_unbound21:36:395
3517180993331,2cyclictest3745129-21kworker/u16:2+events_unbound22:44:595
3517180993331,2cyclictest3745129-21kworker/u16:2+events_unbound22:25:035
3517180993330,2cyclictest3524475-21kworker/u16:4+events_unbound19:13:515
3517187993231,0cyclictest0-21swapper/720:43:517
3517187993230,1cyclictest3924336-21ssh22:18:467
3517182993230,2cyclictest3627519-21kworker/u16:2+events_unbound20:29:126
3517182993228,3cyclictest4058682-21kworker/u16:3+events_unbound00:04:106
3517180993230,2cyclictest3815578-21kworker/u16:0+events_unbound21:55:075
3517180993129,2cyclictest3676830-21kworker/u16:4+flush-8:020:59:125
3517180993129,2cyclictest2800150-21kworker/u16:3+events_unbound19:44:095
3517180993129,2cyclictest2800150-21kworker/u16:3+events_unbound19:44:095
3517180993128,3cyclictest3524475-21kworker/u16:4+events_unbound19:09:165
3517187993029,0cyclictest0-21swapper/721:56:027
3517180993028,2cyclictest3761058-21kworker/u16:1+events_unbound21:10:515
3517180993028,2cyclictest3745129-21kworker/u16:2+events_unbound23:24:555
3517182992927,2cyclictest3982876-21kworker/u16:6+events_unbound22:49:156
3517182992927,2cyclictest2800150-21kworker/u16:3+flush-8:019:29:196
3517187992827,0cyclictest0-21swapper/723:50:067
3517187992827,0cyclictest0-21swapper/722:41:527
3517187992827,0cyclictest0-21swapper/722:41:527
3517187992726,0cyclictest0-21swapper/723:29:567
3517187992726,0cyclictest0-21swapper/722:46:087
3517187992726,0cyclictest0-21swapper/721:29:317
3517187992726,0cyclictest0-21swapper/720:13:127
3517187992726,0cyclictest0-21swapper/700:17:297
3517187992726,0cyclictest0-21swapper/700:09:297
3517187992726,0cyclictest0-21swapper/700:01:207
3517187992724,2cyclictest3838704-21ssh21:42:297
3517187992723,3cyclictest3948195-21sh22:27:577
3517174992723,3cyclictest46047-21kworker/u16:1+flush-8:000:29:064
3517187992625,0cyclictest0-21swapper/723:46:097
3517187992625,0cyclictest0-21swapper/723:24:357
3517187992625,0cyclictest0-21swapper/723:09:207
3517187992625,0cyclictest0-21swapper/723:05:097
3517187992625,0cyclictest0-21swapper/720:03:127
3517187992625,0cyclictest0-21swapper/719:44:167
3517187992625,0cyclictest0-21swapper/719:44:167
3517187992625,0cyclictest0-21swapper/700:19:147
3517187992624,1cyclictest3936244-21ssh22:23:207
3517182992624,2cyclictest4058682-21kworker/u16:3+events_unbound00:14:106
3517182992624,2cyclictest3745129-21kworker/u16:2+events_unbound22:18:446
3517180992624,2cyclictest3657347-21kworker/u16:3+events_unbound20:49:595
3517180992624,2cyclictest3558971-21kworker/u16:0+events_unbound19:38:005
3517187992524,0cyclictest0-21swapper/723:16:097
3517187992524,0cyclictest0-21swapper/720:07:117
3517187992524,0cyclictest0-21swapper/700:30:497
3517187992523,1cyclictest0-21swapper/721:47:327
3517180992523,2cyclictest3598844-21kworker/u16:1+events_unbound19:50:595
3517180992523,2cyclictest3558971-21kworker/u16:0+events_unbound19:32:595
3517187992423,0cyclictest0-21swapper/722:00:247
3517187992422,1cyclictest0-21swapper/700:36:337
3517187992421,2cyclictest4165597-21ssh23:54:577
3517187992421,2cyclictest3960677-21ssh22:33:337
3517180992422,2cyclictest3627519-21kworker/u16:2+events_unbound20:01:315
3517180992422,2cyclictest3598844-21kworker/u16:1+events_unbound20:13:005
3517180992422,2cyclictest2800150-21kworker/u16:3+events_unbound19:53:595
3517187992322,0cyclictest0-21swapper/721:50:417
3517187992322,0cyclictest0-21swapper/721:02:527
3517187992322,0cyclictest0-21swapper/700:06:097
3517187992321,1cyclictest4117278-21ssh23:35:267
3517180992321,2cyclictest3676830-21kworker/u16:4+events_unbound20:43:595
3517180992321,2cyclictest3524475-21kworker/u16:4+events_unbound19:26:005
3517180992321,2cyclictest3487477-21kworker/u16:2+events_unbound19:43:085
3517187992221,0cyclictest0-21swapper/722:09:417
3517187992221,0cyclictest0-21swapper/720:21:447
3517187992221,0cyclictest0-21swapper/719:32:517
3517187992120,0cyclictest0-21swapper/723:40:217
3517187992120,0cyclictest0-21swapper/720:32:437
3517182992119,2cyclictest3745129-21kworker/u16:2+events_unbound23:14:166
3517180992119,2cyclictest2800150-21kworker/u16:3+events_unbound19:20:365
3517187992019,0cyclictest0-21swapper/719:20:287
3517180992018,2cyclictest3676830-21kworker/u16:4+events_unbound20:57:595
3517187991918,0cyclictest0-21swapper/721:12:587
3517187991918,0cyclictest0-21swapper/719:56:347
3517182991917,2cyclictest3676830-21kworker/u16:4+events_unbound20:59:086
3517182991916,2cyclictest3676830-21kworker/u16:4+events_unbound21:09:086
3517180991917,2cyclictest3627519-21kworker/u16:2+events_unbound20:20:035
3517180991917,2cyclictest3598844-21kworker/u16:1+events_unbound20:15:005
3517187991817,0cyclictest0-21swapper/720:57:507
3517187991817,0cyclictest0-21swapper/720:36:437
3517187991817,0cyclictest0-21swapper/720:36:437
3517187991817,0cyclictest0-21swapper/719:24:407
3517187991813,4cyclictest3754492-21latency_hist21:08:497
3517182991816,2cyclictest3696394-21kworker/u16:1+flush-8:020:43:446
3517187991716,0cyclictest0-21swapper/722:59:447
3517187991716,0cyclictest0-21swapper/721:20:027
3517187991716,0cyclictest0-21swapper/719:49:357
3517182991715,2cyclictest3725641-21kworker/u16:0+events_unbound21:28:446
3517182991713,3cyclictest4010572-21cstates22:54:026
3517187991615,0cyclictest0-21swapper/720:43:207
3517187991615,0cyclictest0-21swapper/720:25:157
3517182991614,2cyclictest3524475-21kworker/u16:4+flush-8:019:19:156
3517182991612,3cyclictest64958-21kthreadcore00:34:086
3517180991614,2cyclictest3627519-21kworker/u16:2+events_unbound20:31:035
3517174991615,1cyclictest3982876-21kworker/u16:6+events_unbound23:14:064
3517187991514,0cyclictest0-21swapper/719:41:157
3517187991514,0cyclictest0-21swapper/719:17:327
3517182991513,2cyclictest4169747-21kworker/u16:0+events_unbound00:13:336
3517182991513,2cyclictest3745129-21kworker/u16:2+flush-8:022:19:066
3517182991513,2cyclictest3627519-21kworker/u16:2+flush-8:020:14:156
3517182991513,2cyclictest3558971-21kworker/u16:0+events_unbound19:34:076
3517182991511,4cyclictest0-21swapper/623:12:386
3517174991514,1cyclictest0-21swapper/423:55:094
3517174991513,2cyclictest3745129-21kworker/u16:2+flush-8:022:43:444
3517174991513,2cyclictest3745129-21kworker/u16:2+flush-8:022:43:444
3517182991412,2cyclictest4116902-21kworker/u16:1+events_unbound23:38:486
3517182991412,2cyclictest3745129-21kworker/u16:2+events_unbound23:19:116
3517182991412,2cyclictest3745129-21kworker/u16:2+events_unbound23:19:116
3517182991410,3cyclictest3761058-21kworker/u16:1+events_unbound21:19:176
351718299140,14cyclictest0-21swapper/623:01:456
3517180991412,2cyclictest3676830-21kworker/u16:4+events_unbound21:03:515
3517180991412,2cyclictest3676830-21kworker/u16:4+events_unbound20:36:355
3517180991412,2cyclictest3676830-21kworker/u16:4+events_unbound20:36:355
3517174991413,1cyclictest0-21swapper/423:11:484
3517174991413,1cyclictest0-21swapper/423:00:084
3517174991413,1cyclictest0-21swapper/422:32:044
3517174991413,1cyclictest0-21swapper/422:24:494
3517174991413,1cyclictest0-21swapper/421:43:214
3517174991413,1cyclictest0-21swapper/421:14:214
3517174991413,1cyclictest0-21swapper/400:06:214
351717499140,1cyclictest0-21swapper/421:01:354
351717499140,1cyclictest0-21swapper/419:28:344
351717499140,14cyclictest0-21swapper/423:19:414
351717499140,14cyclictest0-21swapper/423:19:414
351717499140,14cyclictest0-21swapper/423:05:114
351717499140,14cyclictest0-21swapper/422:18:504
351717499140,14cyclictest0-21swapper/421:51:334
351717499140,14cyclictest0-21swapper/421:21:174
351718799138,1cyclictest4082408-21ssh23:23:117
351718799138,1cyclictest4082408-21ssh23:23:117
3517187991311,1cyclictest3754493-21diskmemload22:34:477
3517187991311,1cyclictest0-21swapper/720:48:547
3517182991312,1cyclictest0-21swapper/621:14:236
3517182991311,2cyclictest3815578-21kworker/u16:0+events_unbound21:34:036
3517182991311,2cyclictest3802909-21kworker/u16:3+events_unbound22:34:126
3517182991311,2cyclictest3627519-21kworker/u16:2+flush-8:020:34:156
3517182991311,2cyclictest3627519-21kworker/u16:2+flush-8:020:34:156
351718299130,1cyclictest0-21swapper/623:43:046
351718299130,13cyclictest0-21swapper/623:58:026
351718299130,13cyclictest0-21swapper/622:07:416
351718299130,12cyclictest0-21swapper/620:44:036
351718299130,0cyclictest0-21swapper/623:49:036
3517180991311,2cyclictest3598844-21kworker/u16:1+events_unbound20:25:075
351717499139,3cyclictest3558971-21kworker/u16:0+flush-8:019:54:154
3517174991312,1cyclictest0-21swapper/423:42:144
3517174991312,1cyclictest0-21swapper/422:46:354
3517174991312,1cyclictest0-21swapper/422:04:294
3517174991312,1cyclictest0-21swapper/421:35:104
3517174991312,1cyclictest0-21swapper/400:27:004
3517174991312,1cyclictest0-21swapper/400:13:174
351717499130,13cyclictest0-21swapper/423:28:504
351717499130,13cyclictest0-21swapper/422:35:424
351717499130,13cyclictest0-21swapper/421:28:134
351717499130,13cyclictest0-21swapper/420:44:054
351717499130,0cyclictest0-21swapper/423:50:544
351718799128,3cyclictest6527-21gmain21:24:067
351718799127,4cyclictest3579244-21systemd-run19:38:497
3517187991211,0cyclictest0-21swapper/722:49:427
351718299129,2cyclictest3646283-21needreboot20:09:126
3517182991211,1cyclictest0-21swapper/622:00:166
3517182991211,1cyclictest0-21swapper/621:46:526
3517182991210,2cyclictest3745129-21kworker/u16:2+events_unbound22:24:166
3517182991210,2cyclictest3657347-21kworker/u16:3+events_unbound20:49:026
3517182991210,1cyclictest3868544-21kthreadcore21:54:076
351718299120,1cyclictest0-21swapper/621:33:376
351718299120,12cyclictest0-21swapper/623:59:276
351718299120,12cyclictest0-21swapper/623:46:036
351718299120,12cyclictest0-21swapper/623:31:436
351718299120,12cyclictest0-21swapper/623:08:326
351718299120,12cyclictest0-21swapper/622:30:046
3517180991210,2cyclictest3627519-21kworker/u16:2+flush-8:020:04:055
351717499127,4cyclictest4132499-21cat23:44:044
351717499127,4cyclictest3864755-21tune2fs21:54:024
3517174991211,1cyclictest0-21swapper/421:59:454
3517174991211,1cyclictest0-21swapper/421:29:204
3517174991211,1cyclictest0-21swapper/420:55:164
3517174991211,1cyclictest0-21swapper/400:36:564
3517174991211,1cyclictest0-21swapper/400:22:544
351717499120,12cyclictest0-21swapper/420:11:174
351718799110,3cyclictest3524559-21tr19:09:107
351718299119,2cyclictest3745129-21kworker/u16:2+flush-8:022:44:316
351718299119,2cyclictest3558971-21kworker/u16:0+flush-8:019:59:086
351718299118,2cyclictest3657347-21kworker/u16:3+flush-8:020:24:066
351718299117,3cyclictest3663327-21kthreadcore20:19:096
3517182991110,1cyclictest0-21swapper/621:43:146
3517182991110,1cyclictest0-21swapper/619:56:496
3517182991110,1cyclictest0-21swapper/619:48:476
3517182991110,1cyclictest0-21swapper/619:48:476
351718299110,3cyclictest3557902-21kthreadcore19:24:096
351718299110,11cyclictest0-21swapper/620:54:506
351718299110,10cyclictest56906-21unixbench_singl00:29:186
351718099119,2cyclictest3696394-21kworker/u16:1+events_unbound20:41:365
3517174991110,1cyclictest0-21swapper/423:35:184
3517174991110,1cyclictest0-21swapper/422:12:504
3517174991110,1cyclictest0-21swapper/421:44:284
3517174991110,1cyclictest0-21swapper/420:16:294
3517174991110,1cyclictest0-21swapper/419:32:404
351717499110,1cyclictest0-21swapper/420:04:494
351717499110,11cyclictest0-21swapper/419:47:574
351717499110,11cyclictest0-21swapper/419:47:574
351717499110,11cyclictest0-21swapper/419:35:204
351718299108,2cyclictest86-21ksoftirqd/621:50:036
351718299106,3cyclictest3531506-21sh19:14:026
351718299104,5cyclictest0-21swapper/600:19:096
351718299103,7cyclictest22897-21kworker/u16:2+flush-8:000:24:056
351718299100,2cyclictest3982300-21grep22:39:156
351718299100,2cyclictest3982300-21grep22:39:156
351717499109,1cyclictest0-21swapper/423:24:534
351717499109,1cyclictest0-21swapper/421:05:034
351717499109,1cyclictest0-21swapper/420:03:344
351717499100,9cyclictest0-21swapper/400:14:094
35171829990,8cyclictest3636559-21ntpq20:04:126
35171829990,4cyclictest4083511-21tr23:24:016
35171829990,2cyclictest3746030-21sed21:04:046
35171749998,1cyclictest0-21swapper/422:15:124
35171749998,1cyclictest0-21swapper/421:10:534
35171749998,1cyclictest0-21swapper/419:13:354
35171749995,3cyclictest3718496-21kthreadcore20:49:074
35171749994,4cyclictest4171625-21cut23:59:094
35171749994,4cyclictest4014486-21cut22:54:084
35171829987,1cyclictest0-21swapper/619:09:226
35171829984,3cyclictest3579822-21grep19:39:016
35171829980,3cyclictest3599501-21cstates19:49:026
35171749987,1cyclictest0-21swapper/420:37:564
35171749987,1cyclictest0-21swapper/420:37:564
35171749986,1cyclictest0-21swapper/422:49:064
35171749986,1cyclictest0-21swapper/420:24:054
35171749986,1cyclictest0-21swapper/419:39:104
35171749983,4cyclictest3701593-21cut20:39:074
35171749983,4cyclictest3545903-21cut19:19:094
35171829975,2cyclictest86-21ksoftirqd/622:09:036
35171749975,1cyclictest0-21swapper/419:13:514
35171749974,2cyclictest3677067-21grep20:29:034
35171749973,3cyclictest3657727-21cat20:19:024
35171749973,3cyclictest3599101-21cat19:49:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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