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2026-08-24 - 08:57
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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 Mon Aug 24, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4116650994944,4cyclictest255961-21latency_hist21:47:207
411623724736,8sleep40-21swapper/419:05:494
411616124535,7sleep50-21swapper/519:04:465
41162112424,32sleep70-21swapper/719:05:287
4116650993532,2cyclictest278168-21ssh21:53:487
4116650993532,2cyclictest278168-21ssh21:53:487
4116650993529,5cyclictest352046-21latency_hist22:27:217
4116645993533,2cyclictest4097115-21kworker/u16:1+events_unbound20:07:505
411609423422,9sleep60-21swapper/619:03:506
4116650993231,0cyclictest0-21swapper/700:26:597
4116650993230,1cyclictest531074-21ssh23:40:197
4116650993230,1cyclictest399886-21ssh22:47:077
4116650993130,0cyclictest0-21swapper/723:15:437
4116650993130,0cyclictest0-21swapper/723:15:437
4116645993129,2cyclictest460095-21kworker/u16:5+flush-8:023:44:515
4116645993128,2cyclictest4188590-21kworker/u16:2+events_unbound20:42:225
4116642993128,2cyclictest388010-21kworker/u16:3+flush-8:023:27:404
4116650993029,0cyclictest0-21swapper/721:23:487
4116650993028,1cyclictest159976-21diskmemload23:19:247
4116650993028,1cyclictest159976-21diskmemload22:18:087
4116650993028,1cyclictest159976-21diskmemload00:36:287
4116650993028,1cyclictest159976-21diskmemload00:36:287
4116650993026,3cyclictest159976-21diskmemload00:11:117
4116650993025,4cyclictest648-21systemd-journal21:02:217
4116650992928,0cyclictest0-21swapper/723:22:557
4116650992928,0cyclictest0-21swapper/722:42:087
4116650992928,0cyclictest0-21swapper/700:18:317
4116650992927,1cyclictest422485-21ssh22:54:237
4116650992927,1cyclictest159976-21diskmemload22:13:527
4116650992923,5cyclictest4159094-21latency_hist19:27:227
4116650992827,0cyclictest0-21swapper/723:32:557
4116650992827,0cyclictest0-21swapper/723:07:237
4116645992826,2cyclictest460095-21kworker/u16:5+events_unbound23:38:255
4116645992826,2cyclictest130955-21kworker/u16:0+events_unbound22:33:225
4116645992826,2cyclictest130955-21kworker/u16:0+events_unbound22:33:225
4116650992726,0cyclictest0-21swapper/722:36:407
4116650992726,0cyclictest0-21swapper/722:36:407
4116650992723,3cyclictest613970-21ssh00:13:047
4116645992725,2cyclictest615188-21kworker/u16:2+events_unbound00:26:275
4116645992725,2cyclictest130955-21kworker/u16:0+flush-8:022:48:215
4116642992724,2cyclictest304414-21kworker/u16:2+flush-8:022:57:484
4116650992625,0cyclictest0-21swapper/723:03:287
4116650992625,0cyclictest0-21swapper/721:32:207
4116650992624,1cyclictest651132-21ssh00:30:167
4116650992624,1cyclictest302073-21ssh22:03:327
4116650992624,1cyclictest170943-21ssh21:10:237
4116645992624,2cyclictest268017-21kworker/u16:3+flush-8:022:13:155
4116645992624,2cyclictest130955-21kworker/u16:0+events_unbound22:57:055
4116645992624,2cyclictest130955-21kworker/u16:0+events_unbound21:50:215
4116650992524,0cyclictest0-21swapper/721:42:207
4116650992523,1cyclictest507773-21ssh23:31:527
4116650992523,1cyclictest0-21swapper/700:02:137
4116645992523,2cyclictest566034-21kworker/u16:2+events_unbound23:56:285
4116645992523,2cyclictest566034-21kworker/u16:2+events_unbound23:56:285
4116645992523,2cyclictest450153-21kworker/u16:4+events_unbound23:30:505
4116645992523,2cyclictest4188590-21kworker/u16:2+events_unbound20:02:575
4116645992523,2cyclictest4139872-21kworker/u16:0+flush-8:019:53:525
4116645992523,2cyclictest4097115-21kworker/u16:1+events_unbound19:35:045
4116645992523,2cyclictest268017-21kworker/u16:3+events_unbound22:28:255
4116645992523,2cyclictest130955-21kworker/u16:0+events_unbound21:05:005
4116645992522,2cyclictest4116433-21kworker/u16:2+events_unbound19:17:235
4116645992521,3cyclictest130955-21kworker/u16:0+flush-8:021:27:375
4116650992423,0cyclictest0-21swapper/723:48:317
4116647992418,6cyclictest130955-21kworker/u16:0+flush-8:022:52:326
4116645992422,2cyclictest92272-21kworker/u16:4+events_unbound21:26:465
4116645992422,2cyclictest530194-21kworker/u16:1+events_unbound00:33:265
4116645992422,2cyclictest530194-21kworker/u16:1+events_unbound00:33:265
4116645992422,2cyclictest517889-21kworker/u16:0+events_unbound23:50:425
4116645992422,2cyclictest517889-21kworker/u16:0+events_unbound00:01:255
4116645992422,2cyclictest4188590-21kworker/u16:2+events_unbound20:28:455
4116645992422,2cyclictest4188590-21kworker/u16:2+events_unbound20:24:085
4116645992422,2cyclictest4139872-21kworker/u16:0+flush-8:019:41:455
4116645992422,2cyclictest4139872-21kworker/u16:0+events_unbound20:19:245
4116645992422,2cyclictest4116433-21kworker/u16:2+events_unbound19:12:445
4116645992422,2cyclictest304414-21kworker/u16:2+events_unbound23:04:255
4116645992422,2cyclictest268017-21kworker/u16:3+events_unbound22:07:585
4116645992422,2cyclictest268017-21kworker/u16:3+events_unbound21:56:465
4116645992422,2cyclictest268017-21kworker/u16:3+events_unbound21:56:465
4116645992422,2cyclictest268016-21kworker/u16:1+flush-8:021:59:235
4116650992322,0cyclictest0-21swapper/723:53:197
4116650992322,0cyclictest0-21swapper/723:53:197
4116650992322,0cyclictest0-21swapper/721:33:367
4116650992322,0cyclictest0-21swapper/721:18:257
4116645992321,2cyclictest91930-21kworker/u16:1+flush-8:020:34:595
4116645992321,2cyclictest530194-21kworker/u16:1+events_unbound00:31:385
4116645992321,2cyclictest530194-21kworker/u16:1+events_unbound00:20:225
4116645992321,2cyclictest530194-21kworker/u16:1+events_unbound00:16:375
4116645992321,2cyclictest460095-21kworker/u16:5+events_unbound00:08:255
4116645992321,2cyclictest4188590-21kworker/u16:2+events_unbound20:39:445
4116645992321,2cyclictest4139872-21kworker/u16:0+events_unbound19:29:445
4116645992321,2cyclictest4097115-21kworker/u16:1+events_unbound19:45:455
4116645992321,2cyclictest130955-21kworker/u16:0+events_unbound22:38:065
4116645992321,2cyclictest130955-21kworker/u16:0+events_unbound21:47:075
4116645992320,2cyclictest460095-21kworker/u16:5+events_unbound23:32:315
4116642992319,3cyclictest130955-21kworker/u16:0+flush-8:022:02:394
4116650992221,0cyclictest0-21swapper/721:49:087
4116650992220,1cyclictest411574-21ssh22:51:357
4116645992220,2cyclictest92272-21kworker/u16:4+events_unbound21:09:305
4116645992220,2cyclictest450153-21kworker/u16:4+flush-8:023:22:155
4116645992220,2cyclictest424018-21kworker/u16:1+events_unbound23:11:465
4116645992220,2cyclictest4188590-21kworker/u16:2+events_unbound20:14:555
4116645992220,2cyclictest4139872-21kworker/u16:0+events_unbound19:59:525
4116645992220,2cyclictest4097115-21kworker/u16:1+events_unbound19:23:485
4116645992220,2cyclictest304414-21kworker/u16:2+events_unbound22:22:515
4116645992220,2cyclictest172318-21kworker/u16:1+events_unbound21:34:075
4116645992220,2cyclictest130955-21kworker/u16:0+flush-8:022:19:415
4116645992220,2cyclictest130955-21kworker/u16:0+events_unbound21:42:025
4116645992220,2cyclictest130955-21kworker/u16:0+events_unbound21:12:555
4116645992219,2cyclictest91930-21kworker/u16:1+events_unbound20:57:235
4116645992219,2cyclictest517889-21kworker/u16:0+events_unbound00:02:335
4116642992220,2cyclictest4097115-21kworker/u16:1+flush-8:019:42:364
4116650992120,0cyclictest0-21swapper/722:10:407
4116645992119,2cyclictest4188590-21kworker/u16:2+events_unbound20:51:555
4116645992119,2cyclictest4116433-21kworker/u16:2+events_unbound19:08:205
4116645992119,2cyclictest268016-21kworker/u16:1+flush-8:022:05:215
4116645992119,2cyclictest130955-21kworker/u16:0+flush-8:022:46:085
4116650992018,1cyclictest0-21swapper/719:47:357
4116647992018,2cyclictest130955-21kworker/u16:0+flush-8:022:07:316
4116645992018,2cyclictest91930-21kworker/u16:1+events_unbound20:54:295
4116645992018,2cyclictest4097115-21kworker/u16:1+flush-8:019:48:445
4116645992018,2cyclictest388010-21kworker/u16:3+events_unbound23:12:495
4116645992018,2cyclictest388010-21kworker/u16:3+events_unbound23:12:495
4116645992018,2cyclictest172318-21kworker/u16:1+flush-8:021:19:375
4116650991918,0cyclictest0-21swapper/721:59:327
4116650991918,0cyclictest0-21swapper/720:05:327
4116647991917,2cyclictest615188-21kworker/u16:2+flush-8:000:22:206
4116645991917,2cyclictest450153-21kworker/u16:4+flush-8:023:24:435
4116645991917,2cyclictest388010-21kworker/u16:3+flush-8:023:01:405
4116642991917,2cyclictest530194-21kworker/u16:1+flush-8:023:57:474
4116650991817,0cyclictest0-21swapper/723:46:417
4116650991816,1cyclictest0-21swapper/719:32:347
4116650991812,5cyclictest82178-21latency_hist20:27:217
4116642991816,2cyclictest517889-21kworker/u16:0+events_unbound23:42:354
4116642991816,2cyclictest130955-21kworker/u16:0+events_unbound21:02:344
4116650991716,0cyclictest0-21swapper/721:02:487
4116650991716,0cyclictest0-21swapper/719:58:577
4116650991716,0cyclictest0-21swapper/700:03:557
4116650991715,1cyclictest4138779-21ntp_states19:12:467
4116650991615,0cyclictest0-21swapper/721:17:137
4116650991614,1cyclictest159976-21diskmemload22:27:407
4116650991614,1cyclictest0-21swapper/720:27:437
4116650991612,3cyclictest1302-21snmpd20:17:177
411665099161,13cyclictest45348-21grep20:07:377
4116642991614,2cyclictest268016-21kworker/u16:1+flush-8:021:57:354
4116642991613,2cyclictest91930-21kworker/u16:1+flush-8:020:42:364
411665099157,6cyclictest4179407-21sshd-session19:37:357
411665099150,14cyclictest648-21systemd-journal19:47:207
4116647991514,1cyclictest0-21swapper/623:21:566
4116647991514,1cyclictest0-21swapper/622:52:186
4116647991513,2cyclictest4097115-21kworker/u16:1+flush-8:020:02:486
4116647991513,1cyclictest0-21swapper/619:17:346
4116647991511,3cyclictest4116433-21kworker/u16:2+flush-8:019:12:526
411664799150,15cyclictest0-21swapper/621:12:016
411664299150,1cyclictest0-21swapper/423:39:534
4116647991413,1cyclictest0-21swapper/623:43:136
4116647991413,1cyclictest0-21swapper/622:37:006
4116647991413,1cyclictest0-21swapper/622:37:006
4116647991413,1cyclictest0-21swapper/621:16:366
4116647991412,2cyclictest304414-21kworker/u16:2+events_unbound22:37:446
4116647991412,2cyclictest0-21swapper/623:13:446
4116647991412,2cyclictest0-21swapper/623:13:446
411664799140,1cyclictest0-21swapper/622:23:466
411664799140,1cyclictest0-21swapper/600:05:376
411664799140,14cyclictest0-21swapper/622:05:286
411664799140,14cyclictest0-21swapper/622:00:546
411664799140,14cyclictest0-21swapper/600:34:186
411664799140,14cyclictest0-21swapper/600:34:186
411664799140,14cyclictest0-21swapper/600:26:066
4116642991413,1cyclictest0-21swapper/422:26:344
4116642991413,1cyclictest0-21swapper/400:21:404
411664299140,1cyclictest0-21swapper/421:32:374
411664299140,1cyclictest0-21swapper/400:27:484
411664299140,1cyclictest0-21swapper/400:23:434
411664299140,14cyclictest0-21swapper/400:09:224
411665099139,3cyclictest1302-21snmpd19:07:557
411664799136,6cyclictest505715-21unixbench_singl23:27:526
4116647991313,0cyclictest0-21swapper/619:12:216
4116647991312,1cyclictest0-21swapper/623:59:286
4116647991312,1cyclictest0-21swapper/623:54:536
4116647991312,1cyclictest0-21swapper/623:54:536
4116647991312,1cyclictest0-21swapper/623:40:426
4116647991312,1cyclictest0-21swapper/623:26:316
4116647991312,1cyclictest0-21swapper/622:58:556
4116647991312,1cyclictest0-21swapper/621:45:366
4116647991310,3cyclictest130955-21kworker/u16:0+flush-8:021:47:396
411664799130,1cyclictest0-21swapper/619:48:096
411664799130,13cyclictest0-21swapper/622:19:116
411664799130,13cyclictest0-21swapper/621:56:206
411664799130,13cyclictest0-21swapper/621:56:206
411664799130,0cyclictest0-21swapper/622:28:206
4116642991312,1cyclictest0-21swapper/423:54:424
4116642991312,1cyclictest0-21swapper/423:54:424
4116642991312,1cyclictest0-21swapper/423:21:074
4116642991312,1cyclictest0-21swapper/423:06:184
4116642991312,1cyclictest0-21swapper/422:22:004
4116642991312,1cyclictest0-21swapper/421:16:534
4116642991312,1cyclictest0-21swapper/419:32:494
4116642991310,2cyclictest0-21swapper/421:22:374
411664299130,13cyclictest0-21swapper/422:44:234
411664299130,13cyclictest0-21swapper/421:43:504
411665099126,5cyclictest6050-21gmain20:49:517
411665099126,5cyclictest5965-21gmain22:59:117
411664799128,3cyclictest83347-21cat20:27:366
411664799124,1cyclictest0-21swapper/623:02:406
4116647991210,2cyclictest130955-21kworker/u16:0+flush-8:021:28:006
411664799120,1cyclictest0-21swapper/620:10:516
411664799120,12cyclictest0-21swapper/620:44:166
411664799120,12cyclictest0-21swapper/620:18:346
411664799120,12cyclictest0-21swapper/620:16:316
4116642991211,1cyclictest0-21swapper/421:30:364
4116642991211,1cyclictest0-21swapper/421:21:274
4116642991211,1cyclictest0-21swapper/419:27:374
4116642991211,1cyclictest0-21swapper/400:03:134
411664299120,1cyclictest0-21swapper/420:22:574
411665099118,2cyclictest1302-21snmpd19:31:117
411665099118,2cyclictest0-21swapper/720:17:457
411665099110,10cyclictest1302-21snmpd20:42:337
411664799119,2cyclictest4116433-21kworker/u16:2+events_unbound19:22:366
411664799118,2cyclictest86-21ksoftirqd/623:47:376
411664799118,2cyclictest2106-21grep19:42:436
411664799117,3cyclictest605436-21cat00:12:366
4116647991110,1cyclictest0-21swapper/623:07:356
4116647991110,1cyclictest0-21swapper/622:12:346
4116647991110,1cyclictest0-21swapper/621:36:566
4116647991110,1cyclictest0-21swapper/621:00:126
4116647991110,1cyclictest0-21swapper/620:36:056
4116647991110,1cyclictest0-21swapper/600:32:156
411664799110,11cyclictest0-21swapper/620:56:066
411664799110,11cyclictest0-21swapper/620:48:226
411664299118,2cyclictest240755-21latency21:37:414
4116642991110,1cyclictest0-21swapper/423:35:184
4116642991110,1cyclictest0-21swapper/423:12:554
4116642991110,1cyclictest0-21swapper/423:12:554
4116642991110,1cyclictest0-21swapper/422:29:054
4116642991110,1cyclictest0-21swapper/400:36:004
4116642991110,1cyclictest0-21swapper/400:36:004
411664299110,11cyclictest0-21swapper/421:47:524
411664299110,11cyclictest0-21swapper/420:04:214
411664299110,11cyclictest0-21swapper/420:02:184
411664299110,11cyclictest0-21swapper/419:13:354
411664299110,0cyclictest0-21swapper/421:00:294
411664299110,0cyclictest0-21swapper/420:50:424
411665099105,5cyclictest6530-21gmain20:54:477
411665099105,4cyclictest1305-21rpcbind20:32:487
411665099104,5cyclictest6233-21gvfs-afc-volume19:17:507
411665099104,5cyclictest6124-21gmain20:40:157
411665099104,5cyclictest6124-21gmain19:52:357
411664799108,1cyclictest0-21swapper/619:27:396
411664799106,4cyclictest0-21swapper/621:17:386
411664799105,5cyclictest0-21swapper/600:07:416
411664799104,5cyclictest0-21swapper/621:37:366
411664799100,3cyclictest4175538-21kthreadcore19:32:426
411664299109,1cyclictest0-21swapper/422:33:404
411664299109,1cyclictest0-21swapper/422:33:404
411664299109,1cyclictest0-21swapper/421:10:154
411664299109,1cyclictest0-21swapper/420:28:384
411664299109,1cyclictest0-21swapper/420:17:174
411664299109,1cyclictest0-21swapper/420:10:024
411664299109,1cyclictest0-21swapper/419:53:004
411664299109,1cyclictest0-21swapper/419:50:574
411664299109,1cyclictest0-21swapper/419:20:224
411664299106,3cyclictest92851-21tune2fs20:32:354
41166479997,1cyclictest0-21swapper/623:32:426
41166479997,1cyclictest0-21swapper/622:42:396
41166479997,1cyclictest0-21swapper/621:02:386
41166479997,1cyclictest0-21swapper/620:37:376
41166479997,1cyclictest0-21swapper/619:37:396
41166479995,3cyclictest73654-21cat20:22:366
41166479994,4cyclictest199150-21cut21:22:406
41166479990,8cyclictest0-21swapper/619:57:396
41166479990,2cyclictest0-21swapper/619:52:356
41166429998,1cyclictest0-21swapper/423:47:274
41166429998,1cyclictest0-21swapper/423:25:414
41166429998,1cyclictest0-21swapper/422:48:574
41166429998,1cyclictest0-21swapper/422:15:224
41166429998,1cyclictest0-21swapper/420:54:484
41166429998,1cyclictest0-21swapper/419:40:044
41166429994,4cyclictest71917-21cat20:17:494
41166429994,4cyclictest605456-21cat00:12:364
41166429986,1cyclictest0-21swapper/420:37:334
41166429984,3cyclictest4121871-21kthreadcore19:07:394
41166429983,4cyclictest455697-21tr23:07:404
41166429983,4cyclictest4152037-21grep19:22:404
41166429983,4cyclictest413722-21tail22:52:404
41166429983,4cyclictest305307-21iostat22:07:364
41166429983,1cyclictest201rcu_preempt21:52:464
41166429983,1cyclictest201rcu_preempt21:52:464
41166429973,3cyclictest376986-21diskstats22:37:344
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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