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2026-08-29 - 19:25
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Sat Aug 29, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55319521020,1sleep7553198-21sh10:10:067
16124025241,8sleep40-21swapper/407:05:514
9169432500,0sleep7916944-21rm12:36:407
161833994943,5cyclictest893957-21latency_hist12:29:487
161828994442,2cyclictest189913-21kworker/u16:0+flush-8:007:59:496
1615002428,29sleep70-21swapper/707:09:317
161833993934,4cyclictest708638-21latency_hist11:14:487
161833993934,4cyclictest272627-21latency_hist08:04:497
161828993836,2cyclictest379752-21kworker/u16:1+events_unbound09:24:486
16149923827,8sleep60-21swapper/607:09:306
15218723727,7sleep50-21swapper/507:04:555
161828993331,2cyclictest709025-21kworker/u16:2+events_unbound12:11:596
5962632320,1chrt596264-21ssh10:28:017
161828993129,2cyclictest161526-21kworker/u16:2+flush-8:007:19:496
161828993028,2cyclictest709025-21kworker/u16:2+events_unbound11:17:006
161828993028,2cyclictest549427-21kworker/u16:0+events_unbound10:13:006
161828993028,2cyclictest253173-21kworker/u16:3+events_unbound09:04:446
161828993027,2cyclictest549427-21kworker/u16:0+events_unbound10:29:516
161824993028,2cyclictest271701-21kworker/u16:2+events_unbound08:10:034
161828992927,2cyclictest379752-21kworker/u16:1+flush-8:010:29:496
161828992927,2cyclictest189913-21kworker/u16:0+flush-8:007:54:486
161828992826,2cyclictest709025-21kworker/u16:2+events_unbound12:09:216
161828992826,2cyclictest549427-21kworker/u16:0+events_unbound11:03:476
161828992826,2cyclictest484417-21kworker/u16:2+events_unbound10:04:486
161828992826,2cyclictest484417-21kworker/u16:2+events_unbound10:04:486
161828992826,2cyclictest301940-21kworker/u16:4+events_unbound08:50:126
161828992826,2cyclictest253173-21kworker/u16:3+events_unbound09:35:236
161828992825,2cyclictest379752-21kworker/u16:1+events_unbound09:29:516
161833992726,0cyclictest0-21swapper/708:41:197
161828992725,2cyclictest770517-21kworker/u16:4+events_unbound12:04:246
161828992725,2cyclictest770517-21kworker/u16:4+events_unbound12:04:246
161828992725,2cyclictest758221-21kworker/u16:1+flush-8:011:35:296
161833992625,0cyclictest0-21swapper/707:17:257
161828992624,2cyclictest906338-21kworker/u16:3+events_unbound12:35:246
161828992624,2cyclictest709025-21kworker/u16:2+events_unbound11:20:066
161828992624,2cyclictest709025-21kworker/u16:2+events_unbound11:20:066
161828992624,2cyclictest379752-21kworker/u16:1+events_unbound10:48:566
161828992523,2cyclictest709025-21kworker/u16:2+flush-8:012:15:526
161828992523,2cyclictest694640-21kworker/u16:3+events_unbound11:47:556
161828992523,2cyclictest560169-21kworker/u16:4+events_unbound10:36:556
161824992524,1cyclictest854487-21kworker/u16:0+events_unbound12:35:524
161824992522,2cyclictest142477-21kworker/u16:1+events_unbound07:14:524
161833992423,0cyclictest0-21swapper/708:16:367
161828992422,2cyclictest770517-21kworker/u16:4+events_unbound11:58:076
161828992422,2cyclictest560169-21kworker/u16:4+events_unbound10:56:516
161828992422,2cyclictest549427-21kworker/u16:0+events_unbound10:20:596
161828992422,2cyclictest253173-21kworker/u16:3+flush-8:009:50:156
161833992322,0cyclictest0-21swapper/709:02:517
161833992322,0cyclictest0-21swapper/708:47:117
161833992322,0cyclictest0-21swapper/708:34:327
161828992321,2cyclictest498546-21kworker/u16:5+events_unbound09:58:526
161828992321,2cyclictest350732-21kworker/u16:0+flush-8:009:29:446
161824992321,2cyclictest560169-21kworker/u16:4+flush-8:010:34:444
161833992221,0cyclictest0-21swapper/710:59:597
161828992220,2cyclictest484417-21kworker/u16:2+events_unbound10:08:196
161828992220,2cyclictest350732-21kworker/u16:0+events_unbound09:42:006
161824992221,1cyclictest709025-21kworker/u16:2+events_unbound11:52:274
161824992220,2cyclictest189913-21kworker/u16:0+events_unbound07:35:044
161828992119,2cyclictest854487-21kworker/u16:0+flush-8:012:34:436
161828992119,2cyclictest709025-21kworker/u16:2+flush-8:012:20:146
161828992119,2cyclictest549427-21kworker/u16:0+events_unbound11:26:476
161828992118,2cyclictest142477-21kworker/u16:1+events_unbound07:10:016
161824992120,1cyclictest709025-21kworker/u16:2+events_unbound12:23:474
161824992119,2cyclictest350732-21kworker/u16:0+flush-8:009:40:194
161833992019,0cyclictest0-21swapper/712:10:457
161828992018,2cyclictest549427-21kworker/u16:0+events_unbound11:32:586
161828992017,2cyclictest271701-21kworker/u16:2+flush-8:008:30:096
161833991918,0cyclictest0-21swapper/709:45:237
161833991915,3cyclictest1277-21snmpd08:57:097
16183399190,17cyclictest694667-21ssh11:07:097
161828991917,2cyclictest709025-21kworker/u16:2+events_unbound11:53:436
161828991917,2cyclictest271701-21kworker/u16:2+events_unbound08:20:036
161824991917,2cyclictest818134-21kworker/u16:1+flush-8:012:09:474
161833991817,0cyclictest0-21swapper/710:15:467
161833991817,0cyclictest0-21swapper/707:27:587
161833991817,0cyclictest0-21swapper/707:13:467
161833991816,1cyclictest878699-21ssh12:20:167
161833991816,1cyclictest0-21swapper/707:40:087
161828991816,2cyclictest560169-21kworker/u16:4+events_unbound10:52:116
161828991816,2cyclictest484417-21kworker/u16:2+events_unbound10:14:526
161828991816,2cyclictest379752-21kworker/u16:1+events_unbound09:18:236
161828991816,2cyclictest379752-21kworker/u16:1+events_unbound09:18:236
161828991816,2cyclictest379752-21kworker/u16:1+events_unbound09:14:246
161828991816,2cyclictest271701-21kworker/u16:2+events_unbound08:29:006
161828991816,2cyclictest253173-21kworker/u16:3+events_unbound08:09:006
161827991816,2cyclictest549427-21kworker/u16:0+flush-8:011:30:035
161824991816,2cyclictest253173-21kworker/u16:3+flush-8:008:40:044
161833991716,0cyclictest0-21swapper/710:20:047
161833991716,0cyclictest0-21swapper/708:39:317
161833991716,0cyclictest0-21swapper/708:39:317
161833991716,0cyclictest0-21swapper/707:51:237
161833991713,3cyclictest448982-21ssh09:29:497
16183399170,16cyclictest0-21swapper/709:10:127
161828991716,1cyclictest770517-21kworker/u16:4+events_unbound11:43:356
161828991715,2cyclictest560169-21kworker/u16:4+events_unbound10:41:246
161828991715,2cyclictest253173-21kworker/u16:3+events_unbound09:45:276
161824991714,2cyclictest498546-21kworker/u16:5+flush-8:010:04:544
161833991615,0cyclictest0-21swapper/708:49:497
161833991615,0cyclictest0-21swapper/708:12:437
161833991615,0cyclictest0-21swapper/707:44:567
161833991613,2cyclictest1277-21snmpd10:54:427
161833991613,2cyclictest0-21swapper/710:04:497
161833991611,4cyclictest648-21systemd-journal10:44:487
161828991614,2cyclictest189913-21kworker/u16:0+events_unbound07:25:596
161833991514,0cyclictest0-21swapper/711:45:257
161833991514,0cyclictest0-21swapper/708:09:477
16183399150,14cyclictest0-21swapper/711:57:447
16183399150,14cyclictest0-21swapper/709:40:117
16183399150,13cyclictest1277-21snmpd12:30:457
16183399150,13cyclictest1277-21snmpd07:34:107
16183399149,4cyclictest807436-21latency_hist11:54:487
161833991413,0cyclictest0-21swapper/709:49:497
161833991413,0cyclictest0-21swapper/708:22:537
161833991411,2cyclictest1277-21snmpd11:41:477
161833991411,2cyclictest1277-21snmpd11:17:107
161833991410,3cyclictest399161-21diskmemload11:30:127
161833991410,3cyclictest1277-21snmpd11:21:437
161833991410,3cyclictest1277-21snmpd11:21:437
16183399140,13cyclictest1277-21snmpd07:39:317
16183399140,13cyclictest0-21swapper/712:00:127
16183399140,13cyclictest0-21swapper/712:00:127
161828991412,2cyclictest709025-21kworker/u16:2+events_unbound12:26:356
161828991412,2cyclictest694640-21kworker/u16:3+events_unbound11:13:436
16182899140,14cyclictest0-21swapper/611:09:146
16182899140,0cyclictest0-21swapper/608:15:026
161827991413,1cyclictest0-21swapper/510:36:115
161827991413,1cyclictest0-21swapper/510:10:295
161827991413,1cyclictest0-21swapper/509:55:025
161827991413,1cyclictest0-21swapper/509:11:315
16182799140,1cyclictest0-21swapper/512:24:575
16182799140,1cyclictest0-21swapper/511:15:165
16182799140,1cyclictest0-21swapper/507:20:045
16182799140,14cyclictest0-21swapper/510:44:045
16182799140,14cyclictest0-21swapper/509:19:245
16182799140,14cyclictest0-21swapper/509:19:245
16182799140,14cyclictest0-21swapper/508:45:215
161824991413,1cyclictest0-21swapper/411:28:144
161824991413,1cyclictest0-21swapper/409:24:574
16182499140,1cyclictest0-21swapper/411:33:454
16182499140,1cyclictest0-21swapper/411:01:264
16182499140,1cyclictest0-21swapper/409:55:124
16183399139,3cyclictest1277-21snmpd10:35:397
16183399138,4cyclictest609625-21latency_hist10:34:487
161833991312,0cyclictest0-21swapper/709:05:457
161833991311,1cyclictest511578-21ssh09:55:037
16182899130,13cyclictest0-21swapper/608:14:146
16182799134,8cyclictest0-21swapper/511:07:075
161827991312,1cyclictest0-21swapper/510:56:405
161824991312,1cyclictest0-21swapper/412:15:124
161824991312,1cyclictest0-21swapper/412:12:034
161824991311,1cyclictest193822-21ntpq07:20:154
16183399129,2cyclictest1277-21snmpd11:25:317
16183399129,2cyclictest1277-21snmpd10:58:157
16183399129,2cyclictest1277-21snmpd10:46:067
16183399129,2cyclictest1277-21snmpd09:15:107
16183399129,2cyclictest1277-21snmpd09:15:107
16183399129,2cyclictest0-21swapper/709:35:147
16183399128,3cyclictest427709-21sh09:20:067
16183399128,3cyclictest1277-21snmpd12:18:037
16183399128,2cyclictest1277-21snmpd07:20:167
16183399120,11cyclictest448600-21latency_hist09:29:497
16182899127,4cyclictest186208-21cat07:20:056
161828991211,1cyclictest0-21swapper/607:48:046
161828991210,2cyclictest161526-21kworker/u16:2+events_unbound07:32:006
161827991211,1cyclictest0-21swapper/509:44:195
161827991211,1cyclictest0-21swapper/508:51:115
161827991211,1cyclictest0-21swapper/507:29:415
16182799120,1cyclictest0-21swapper/508:59:235
16182799120,12cyclictest0-21swapper/509:00:575
16182799120,12cyclictest0-21swapper/507:16:365
161824991211,1cyclictest0-21swapper/409:00:124
161824991211,1cyclictest0-21swapper/408:17:104
161824991211,1cyclictest0-21swapper/407:55:154
16183399118,2cyclictest1277-21snmpd09:59:537
16183399118,2cyclictest1277-21snmpd09:59:537
16183399117,3cyclictest1277-21snmpd08:26:457
16183399110,2cyclictest0-21swapper/712:05:057
16183399110,10cyclictest1277-21snmpd11:36:197
16182899119,2cyclictest301940-21kworker/u16:4+flush-8:008:40:096
16182899118,2cyclictest253173-21kworker/u16:3+events_unbound08:54:566
161828991110,1cyclictest0-21swapper/609:09:256
161828991110,1cyclictest0-21swapper/608:37:536
161828991110,1cyclictest0-21swapper/608:37:536
161828991110,1cyclictest0-21swapper/608:01:576
161828991110,1cyclictest0-21swapper/607:34:596
16182799117,3cyclictest808739-21cat11:55:035
16182799117,3cyclictest598599-21cat10:30:035
161827991110,1cyclictest0-21swapper/512:15:305
161827991110,1cyclictest0-21swapper/512:05:155
161827991110,1cyclictest0-21swapper/508:44:345
161827991110,1cyclictest0-21swapper/508:03:345
16182799110,11cyclictest0-21swapper/508:22:295
16182799110,11cyclictest0-21swapper/508:10:315
16182799110,0cyclictest0-21swapper/507:33:095
161824991110,1cyclictest0-21swapper/410:25:574
161824991110,1cyclictest0-21swapper/408:51:134
161824991110,1cyclictest0-21swapper/408:46:104
161824991110,1cyclictest0-21swapper/407:26:244
161824991110,1cyclictest0-21swapper/407:09:514
16182499110,11cyclictest0-21swapper/407:51:474
16182499110,11cyclictest0-21swapper/407:45:384
16183399105,4cyclictest262693-21seq07:57:067
16182899107,2cyclictest271701-21kworker/u16:2+events_unbound08:44:586
16182799109,1cyclictest0-21swapper/512:20:135
16182799109,1cyclictest0-21swapper/512:09:595
16182799109,1cyclictest0-21swapper/508:36:505
16182799109,1cyclictest0-21swapper/508:36:505
16182799109,1cyclictest0-21swapper/508:27:325
16182799109,1cyclictest0-21swapper/508:18:145
16182799109,1cyclictest0-21swapper/507:43:335
16182799107,2cyclictest6832562sleep511:03:595
16182499109,1cyclictest0-21swapper/411:20:214
16182499109,1cyclictest0-21swapper/411:20:214
16182499109,1cyclictest0-21swapper/409:06:494
16182499109,1cyclictest0-21swapper/408:58:374
16182499109,1cyclictest0-21swapper/408:01:244
1618289998,1cyclictest0-21swapper/607:44:366
1618279998,1cyclictest0-21swapper/512:00:315
1618279998,1cyclictest0-21swapper/512:00:315
1618279998,1cyclictest0-21swapper/509:09:095
1618279998,1cyclictest0-21swapper/508:32:355
1618279998,1cyclictest0-21swapper/507:57:255
1618279998,1cyclictest0-21swapper/507:53:575
1618279998,1cyclictest0-21swapper/507:13:085
1618279996,2cyclictest564060-21kthreadcore10:15:085
1618279995,3cyclictest594595-21unixbench_multi10:25:185
1618249998,1cyclictest0-21swapper/409:53:294
1618249998,1cyclictest0-21swapper/409:20:134
1618249995,3cyclictest784052-21cat11:45:044
1618249995,3cyclictest610885-21tune2fs10:35:054
1618249990,8cyclictest897528-21kthreadcore12:30:074
1618279986,1cyclictest0-21swapper/511:45:075
1618279986,1cyclictest0-21swapper/511:20:105
1618279986,1cyclictest0-21swapper/511:20:105
1618279986,1cyclictest0-21swapper/510:45:105
1618279986,1cyclictest0-21swapper/510:05:075
1618279986,1cyclictest0-21swapper/510:00:015
1618279986,1cyclictest0-21swapper/510:00:015
1618279986,1cyclictest0-21swapper/509:45:095
1618279986,1cyclictest0-21swapper/509:35:175
1618279985,2cyclictest0-21swapper/511:25:065
1618279983,4cyclictest901906-21cut12:30:095
1618279983,4cyclictest797169-21cut11:50:055
1618279983,4cyclictest774319-21grep11:40:065
1618279983,4cyclictest438156-21cut09:25:055
1618279983,4cyclictest426652-21cut09:20:055
1618279983,4cyclictest281520-21cut08:05:165
1618279980,5cyclictest912538-21kthreadcore12:35:095
1618249986,1cyclictest0-21swapper/411:15:094
1618249986,1cyclictest0-21swapper/409:45:084
1618249985,2cyclictest253173-21kworker/u16:3+flush-8:008:25:084
1618249984,3cyclictest548305-21cat10:09:594
1618249984,3cyclictest453748-21kthreadcore09:30:074
1618249984,3cyclictest412902-21ps09:15:064
1618249984,3cyclictest412902-21ps09:15:064
1618249983,4cyclictest821259-21sed12:00:034
1618249983,4cyclictest821259-21sed12:00:034
1618249983,4cyclictest775705-21cut11:40:074
1618249983,4cyclictest688376-21cut11:05:064
1618249983,4cyclictest653265-21grep10:50:094
1618249983,4cyclictest577809-21cut10:20:094
1618249983,4cyclictest531623-21kthreadcore10:00:114
1618249983,4cyclictest531623-21kthreadcore10:00:114
1618249983,4cyclictest461888-21cat09:35:024
1618249983,4cyclictest324800-21cut08:30:074
1618249983,4cyclictest224817-21grep07:40:044
1618249980,4cyclictest885655-21kthreadcore12:25:104
1618279975,1cyclictest0-21swapper/509:30:005
1618279975,1cyclictest0-21swapper/507:45:055
1618279973,3cyclictest759379-21iostat_ios11:35:045
1618279973,3cyclictest573418-21expr10:20:025
1618279973,3cyclictest502267-21cat09:50:085
1618279972,4cyclictest697166-21cat11:10:025
1618279972,4cyclictest648290-21sed10:50:055
1618279972,4cyclictest216111-21cut07:35:065
1618249976,1cyclictest0-21swapper/408:34:584
1618249976,1cyclictest0-21swapper/408:34:584
1618249976,1cyclictest0-21swapper/407:29:524
1618249975,1cyclictest0-21swapper/411:10:074
1618249975,1cyclictest0-21swapper/410:40:054
1618249975,1cyclictest0-21swapper/408:20:014
1618249973,3cyclictest808895-21irqcore11:55:054
1618249973,3cyclictest659866-21expr10:55:014
1618249973,3cyclictest635257-21expr10:45:024
1618249973,3cyclictest561393-21grep10:15:064
1618249973,3cyclictest399722-21cpuspeed09:10:004
1618249972,4cyclictest759492-21sed11:35:054
1618249972,4cyclictest273379-21expr08:05:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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