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2026-09-24 - 23:02
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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 Thu Sep 24, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60123425644,8sleep40-21swapper/407:07:264
60114325015,30sleep70-21swapper/707:06:097
601696994341,2cyclictest1121417-21kworker/u16:4+events_unbound12:15:276
601694994038,2cyclictest770341-21kworker/u16:2+flush-8:010:30:275
601696993936,2cyclictest750992-21kworker/u16:4+events_unbound09:45:126
601699993837,0cyclictest0-21swapper/711:22:597
60129123813,8sleep50-21swapper/507:08:155
601699993635,0cyclictest0-21swapper/710:57:447
601699993635,0cyclictest0-21swapper/710:23:587
601699993634,1cyclictest0-21swapper/712:07:157
601694993634,2cyclictest936621-21kworker/u16:0+events_unbound09:56:325
8534872350,0sleep7853488-21grep09:15:167
601696993533,2cyclictest936621-21kworker/u16:0+events_unbound10:03:236
601696993532,2cyclictest750992-21kworker/u16:4+flush-8:009:40:236
601699993433,0cyclictest0-21swapper/712:25:427
601699993433,0cyclictest0-21swapper/709:19:587
601699993332,0cyclictest0-21swapper/712:31:277
601699993332,0cyclictest0-21swapper/709:34:517
601699993329,2cyclictest1140498-21cut11:10:217
60113223322,8sleep60-21swapper/607:06:006
60169999321,29cyclictest6295-21gnome-software09:56:067
601696993230,2cyclictest1233098-21kworker/u16:1+flush-8:012:00:586
601696993230,2cyclictest1134319-21kworker/u16:0+events_unbound12:36:066
601696993229,2cyclictest750992-21kworker/u16:4+flush-8:010:10:556
601699993128,2cyclictest1193879-21rm11:31:127
601696993128,2cyclictest1083914-21kworker/u16:3+events_unbound11:39:596
601694993127,3cyclictest750992-21kworker/u16:4+flush-8:008:35:145
601699993029,0cyclictest0-21swapper/711:02:387
601699993029,0cyclictest0-21swapper/709:05:327
601699993029,0cyclictest0-21swapper/708:56:117
601699993029,0cyclictest0-21swapper/708:56:117
601696993027,2cyclictest750992-21kworker/u16:4+flush-8:009:50:236
601699992928,0cyclictest0-21swapper/708:40:197
601699992927,1cyclictest672198-21strings07:40:207
601699992926,2cyclictest1243670-21ssh11:51:547
601696992927,2cyclictest1121417-21kworker/u16:4+events_unbound11:24:526
601699992827,0cyclictest0-21swapper/712:15:537
601699992827,0cyclictest0-21swapper/711:46:507
601699992827,0cyclictest0-21swapper/709:28:187
601699992827,0cyclictest0-21swapper/709:03:077
601699992826,1cyclictest985693-21ssh10:09:187
601699992826,1cyclictest847742-21ssh09:10:497
60169999280,26cyclictest6733-21gmain11:16:267
601696992825,2cyclictest601456-21kworker/u16:3+events_unbound07:20:226
601694992826,2cyclictest887239-21kworker/u16:3+flush-8:009:35:285
601694992826,2cyclictest750992-21kworker/u16:4+flush-8:009:45:285
601699992726,0cyclictest0-21swapper/710:40:567
601699992725,1cyclictest0-21swapper/712:36:017
601699992724,2cyclictest997609-21ssh10:13:347
601696992726,1cyclictest770341-21kworker/u16:2+events_unbound10:29:346
601696992725,2cyclictest750992-21kworker/u16:4+events_unbound09:21:126
601696992724,2cyclictest1134319-21kworker/u16:0+flush-8:011:35:166
601699992625,0cyclictest0-21swapper/710:47:507
601699992625,0cyclictest0-21swapper/710:31:577
601699992625,0cyclictest0-21swapper/710:02:017
601699992625,0cyclictest0-21swapper/709:38:577
601696992624,2cyclictest721919-21kworker/u16:0+events_unbound08:10:196
601699992524,0cyclictest0-21swapper/712:00:017
601699992524,0cyclictest0-21swapper/711:56:577
601699992524,0cyclictest0-21swapper/711:40:437
601699992524,0cyclictest0-21swapper/710:53:137
601699992524,0cyclictest0-21swapper/710:39:407
601699992524,0cyclictest0-21swapper/709:45:557
601699992524,0cyclictest0-21swapper/707:14:477
601699992523,1cyclictest1181509-21ssh11:26:097
601699992523,1cyclictest0-21swapper/709:42:307
601696992523,2cyclictest887239-21kworker/u16:3+events_unbound09:35:166
601696992523,2cyclictest601456-21kworker/u16:3+events_unbound07:45:266
601696992523,2cyclictest1134319-21kworker/u16:0+flush-8:011:15:186
601696992523,2cyclictest1121417-21kworker/u16:4+events_unbound12:05:276
601699992423,0cyclictest0-21swapper/712:14:057
601699992421,2cyclictest1034667-21ssh10:28:307
601699992322,0cyclictest0-21swapper/709:51:497
601699992322,0cyclictest0-21swapper/708:20:397
601696992321,2cyclictest1096573-21kworker/u16:1+events_unbound11:09:036
601696992321,2cyclictest1096573-21kworker/u16:1+events_unbound11:09:036
601696992321,2cyclictest1083914-21kworker/u16:3+events_unbound10:49:466
601694992320,3cyclictest1134319-21kworker/u16:0+flush-8:012:30:275
601694992320,2cyclictest644481-21kworker/u16:1+flush-8:008:05:225
601690992320,2cyclictest959096-21pool-/usr/libex09:56:154
601699992221,0cyclictest0-21swapper/712:24:017
601699992221,0cyclictest0-21swapper/711:37:017
601699992221,0cyclictest0-21swapper/711:08:537
601699992221,0cyclictest0-21swapper/711:08:537
601699992221,0cyclictest0-21swapper/707:17:047
601696992220,2cyclictest887239-21kworker/u16:3+flush-8:009:55:136
601696992220,2cyclictest770341-21kworker/u16:2+flush-8:010:52:036
601696992220,2cyclictest1267909-21kworker/u16:2+events_unbound12:24:116
601696992220,2cyclictest1134319-21kworker/u16:0+events_unbound11:54:396
601696992220,2cyclictest1096573-21kworker/u16:1+flush-8:011:00:166
601696992219,2cyclictest770341-21kworker/u16:2+events_unbound10:29:596
12404832220,0sleep40-21swapper/411:50:204
601699992120,0cyclictest0-21swapper/708:49:487
601699992120,0cyclictest0-21swapper/708:32:447
601699992120,0cyclictest0-21swapper/708:05:277
601699992120,0cyclictest0-21swapper/707:38:447
601696992119,2cyclictest1338300-21kworker/u16:1+events_unbound12:34:076
601696992119,2cyclictest1144083-21kworker/u16:2+events_unbound11:33:076
601696992119,2cyclictest1134319-21kworker/u16:0+events_unbound11:28:186
601694992118,3cyclictest770341-21kworker/u16:2+flush-8:011:00:235
601694992118,2cyclictest1134319-21kworker/u16:0+flush-8:012:20:025
601699992019,0cyclictest0-21swapper/707:52:117
601699992018,1cyclictest0-21swapper/708:39:567
601696992018,2cyclictest770341-21kworker/u16:2+events_unbound09:30:356
601696992018,2cyclictest770341-21kworker/u16:2+events_unbound09:25:246
601696992018,2cyclictest644481-21kworker/u16:1+flush-8:008:15:196
601696992018,2cyclictest3127396-21kworker/u16:2+events_unbound07:30:226
601696992018,2cyclictest1233098-21kworker/u16:1+events_unbound11:58:316
601696992017,2cyclictest644481-21kworker/u16:1+events_unbound08:25:036
601694992018,2cyclictest750992-21kworker/u16:4+flush-8:009:00:285
601694992018,2cyclictest644481-21kworker/u16:1+flush-8:007:54:535
601694992017,2cyclictest644481-21kworker/u16:1+events_unbound07:45:115
601699991917,1cyclictest0-21swapper/710:16:097
60169999190,17cyclictest799517-21grep08:50:077
601696991917,2cyclictest770341-21kworker/u16:2+flush-8:008:49:526
601696991917,2cyclictest750992-21kworker/u16:4+events_unbound08:54:436
601696991917,2cyclictest644481-21kworker/u16:1+events_unbound09:19:076
601696991917,2cyclictest1036902-21kworker/u16:0+events_unbound10:58:066
601694991917,2cyclictest770341-21kworker/u16:2+flush-8:010:40:255
601694991917,2cyclictest770341-21kworker/u16:2+flush-8:010:10:275
601694991917,2cyclictest1134319-21kworker/u16:0+flush-8:011:50:145
601699991817,0cyclictest0-21swapper/707:46:357
601699991816,1cyclictest0-21swapper/707:30:037
601696991812,6cyclictest1134319-21kworker/u16:0+flush-8:012:10:176
601694991816,2cyclictest750992-21kworker/u16:4+flush-8:010:01:425
601694991816,2cyclictest3127396-21kworker/u16:2+events_unbound07:30:275
601690991813,4cyclictest702231-21awk07:59:564
601699991716,0cyclictest0-21swapper/708:28:037
601696991715,2cyclictest996825-21kworker/u16:0+events_unbound10:15:476
601696991715,2cyclictest770341-21kworker/u16:2+flush-8:009:10:476
601696991715,2cyclictest770341-21kworker/u16:2+events_unbound10:05:346
601696991715,2cyclictest1019915-21kworker/u16:1+events_unbound10:23:486
601694991713,3cyclictest711898-21latency_hist08:04:575
601690991715,1cyclictest750992-21kworker/u16:4+events_unbound10:40:014
601690991713,3cyclictest1096573-21kworker/u16:1+flush-8:011:09:524
601690991713,3cyclictest1096573-21kworker/u16:1+flush-8:011:09:524
601699991615,0cyclictest0-21swapper/708:15:317
601699991615,0cyclictest0-21swapper/708:03:007
601699991613,2cyclictest1275-21snmpd07:58:567
601696991614,2cyclictest1036902-21kworker/u16:0+events_unbound10:37:396
601696991613,2cyclictest601456-21kworker/u16:3+flush-8:008:05:076
601690991612,3cyclictest911904-21cat09:39:574
601690991611,4cyclictest1331787-21cat12:29:564
601699991514,0cyclictest0-21swapper/708:13:277
601699991514,0cyclictest0-21swapper/707:26:237
601696991513,2cyclictest1267909-21kworker/u16:2+events_unbound12:27:546
601696991513,2cyclictest1083914-21kworker/u16:3+events_unbound11:10:076
601696991513,2cyclictest1036902-21kworker/u16:0+flush-8:010:40:026
60169499150,1cyclictest0-21swapper/510:17:025
60169499150,1cyclictest0-21swapper/509:15:145
601699991414,0cyclictest0-21swapper/707:22:567
601694991413,1cyclictest0-21swapper/511:27:495
601694991413,1cyclictest0-21swapper/511:13:485
601694991413,1cyclictest0-21swapper/510:56:185
601694991413,1cyclictest0-21swapper/509:50:435
60169499140,1cyclictest0-21swapper/509:27:425
60169499140,14cyclictest0-21swapper/511:24:215
60169499140,14cyclictest0-21swapper/510:24:085
60169499140,14cyclictest0-21swapper/510:06:295
60169499140,14cyclictest0-21swapper/509:33:035
601690991413,1cyclictest0-21swapper/409:45:414
60169099140,1cyclictest0-21swapper/409:11:574
60169099140,14cyclictest0-21swapper/412:22:234
60169099140,14cyclictest0-21swapper/411:24:414
60169099140,14cyclictest0-21swapper/411:14:084
601696991311,2cyclictest644481-21kworker/u16:1+flush-8:008:00:086
601696991311,2cyclictest1121417-21kworker/u16:4+events_unbound11:45:476
601694991312,1cyclictest0-21swapper/511:55:065
601694991311,2cyclictest750992-21kworker/u16:4+flush-8:009:39:585
60169499130,13cyclictest0-21swapper/512:15:265
60169499130,13cyclictest0-21swapper/511:34:555
60169499130,13cyclictest0-21swapper/510:35:575
60169499130,0cyclictest0-21swapper/511:45:005
601690991312,1cyclictest0-21swapper/412:07:154
601690991312,1cyclictest0-21swapper/411:28:094
601690991312,1cyclictest0-21swapper/411:03:344
601690991312,1cyclictest0-21swapper/410:15:294
601690991312,1cyclictest0-21swapper/409:52:474
601690991312,1cyclictest0-21swapper/408:47:124
601690991312,1cyclictest0-21swapper/407:24:074
601690991310,2cyclictest663500-21munin-run07:39:574
601690991310,2cyclictest644481-21kworker/u16:1+flush-8:009:29:574
60169099130,13cyclictest0-21swapper/412:37:504
60169099130,13cyclictest0-21swapper/412:34:224
60169099130,13cyclictest0-21swapper/409:17:184
60169099130,12cyclictest0-21swapper/407:50:074
601696991211,1cyclictest0-21swapper/608:57:336
601696991211,1cyclictest0-21swapper/608:57:336
601696991211,1cyclictest0-21swapper/607:51:106
601696991210,2cyclictest750992-21kworker/u16:4+events_unbound08:34:436
601696991210,2cyclictest644481-21kworker/u16:1+flush-8:009:05:286
601696991210,2cyclictest3127396-21kworker/u16:2+flush-8:007:19:536
60169699120,1cyclictest0-21swapper/607:57:106
601694991211,1cyclictest0-21swapper/512:39:245
601694991211,1cyclictest0-21swapper/511:06:425
601694991211,1cyclictest0-21swapper/511:06:425
601694991211,1cyclictest0-21swapper/509:22:205
601694991210,1cyclictest818459-21idleruntime-cro08:59:575
601694991210,1cyclictest818459-21idleruntime-cro08:59:575
60169499120,1cyclictest0-21swapper/508:11:235
60169099128,3cyclictest644481-21kworker/u16:1+flush-8:007:40:234
601690991211,1cyclictest0-21swapper/412:17:214
601690991211,1cyclictest0-21swapper/412:14:024
601690991211,1cyclictest0-21swapper/411:31:384
601690991211,1cyclictest0-21swapper/410:56:384
601690991211,1cyclictest0-21swapper/410:01:274
601690991211,1cyclictest0-21swapper/409:31:304
60169099120,1cyclictest0-21swapper/408:50:594
60169099120,1cyclictest0-21swapper/408:31:354
60169099120,11cyclictest0-21swapper/408:00:034
60169699119,2cyclictest770341-21kworker/u16:2+flush-8:008:40:596
60169699117,3cyclictest607802-21kthreadcore07:10:186
60169699110,3cyclictest657798-21kthreadcore07:35:166
60169699110,11cyclictest0-21swapper/607:27:326
60169499119,2cyclictest1083914-21kworker/u16:3+flush-8:011:40:195
60169499117,3cyclictest850163-21cat09:14:575
601694991110,1cyclictest0-21swapper/511:17:165
601694991110,1cyclictest0-21swapper/510:49:315
601694991110,1cyclictest0-21swapper/509:09:535
60169499110,11cyclictest0-21swapper/508:31:065
60169499110,11cyclictest0-21swapper/508:27:095
60169499110,0cyclictest0-21swapper/507:16:505
601690991110,1cyclictest0-21swapper/411:17:364
601690991110,1cyclictest0-21swapper/409:43:574
601690991110,1cyclictest0-21swapper/407:45:524
60169099110,1cyclictest0-21swapper/408:15:494
60169099110,11cyclictest0-21swapper/409:06:164
60169099110,11cyclictest0-21swapper/408:41:314
60169099110,11cyclictest0-21swapper/408:13:564
60169099110,11cyclictest0-21swapper/408:06:034
60169099110,11cyclictest0-21swapper/407:17:294
60169699109,1cyclictest0-21swapper/609:01:206
60169699109,1cyclictest0-21swapper/608:22:426
60169499109,1cyclictest0-21swapper/512:00:095
60169499109,1cyclictest0-21swapper/508:23:135
60169499109,1cyclictest0-21swapper/508:19:165
60169499109,1cyclictest0-21swapper/507:36:335
60169499100,0cyclictest0-21swapper/507:43:105
60169099109,1cyclictest0-21swapper/411:38:344
60169099109,1cyclictest0-21swapper/410:46:234
60169099109,1cyclictest0-21swapper/410:22:344
60169099109,1cyclictest0-21swapper/408:25:364
60169099109,1cyclictest0-21swapper/408:23:424
60169099108,2cyclictest770341-21kworker/u16:2+flush-8:009:20:144
6016969998,1cyclictest0-21swapper/608:38:286
6016949998,1cyclictest0-21swapper/507:27:535
6016949997,2cyclictest601456-21kworker/u16:3+events_unbound07:20:275
6016949997,1cyclictest602665-21/usr/sbin/munin07:10:135
6016949996,2cyclictest694194-21kthreadcore07:55:145
6016909998,1cyclictest0-21swapper/410:29:314
6016969983,4cyclictest664778-21sed07:40:146
6016949987,1cyclictest0-21swapper/511:38:145
6016949987,1cyclictest0-21swapper/508:54:265
6016949984,3cyclictest1331659-21awk12:29:565
6016909987,1cyclictest0-21swapper/411:43:364
6016909987,1cyclictest0-21swapper/410:13:454
6016909987,1cyclictest0-21swapper/409:04:234
6016909987,1cyclictest0-21swapper/408:56:394
6016909987,1cyclictest0-21swapper/408:56:394
6016909984,3cyclictest650664-21kthreadcore07:30:174
6016909983,4cyclictest606289-21cut07:10:174
6016949976,1cyclictest0-21swapper/508:46:425
6016909976,1cyclictest0-21swapper/411:48:394
6016909974,2cyclictest16007-21sshd10:08:104
6016909974,2cyclictest1047-21lldpd10:34:424
6016909972,4cyclictest780030-21date08:39:574
6016909972,4cyclictest634824-21/usr/sbin/munin07:25:134
6016909972,4cyclictest1258099-21date11:59:574
6016949965,1cyclictest0-21swapper/512:08:395
6016949963,2cyclictest12939672sleep512:13:385
6016949962,3cyclictest1097261-21cut10:54:575
6016949962,3cyclictest1024390-21sshd-session10:25:115
6016949960,1cyclictest0-21swapper/508:42:325
6016909964,1cyclictest0-21swapper/410:37:364
6016909960,1cyclictest0-21swapper/412:00:594
6016909950,4cyclictest1085323-21sshd-session10:50:104
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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