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2026-03-10 - 19:17
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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 highest latencies:
System rack0slot2.osadl.org (updated Tue Mar 10, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11218996865,2cyclictest460857-21kworker/u16:1+events_unbound12:09:356
11223995855,2cyclictest733452-21ntpq12:24:327
11218995250,2cyclictest460857-21kworker/u16:1+events_unbound11:09:336
11223995047,2cyclictest338079-21timerwakeupswit09:39:377
11223994948,0cyclictest0-21swapper/710:39:257
1122399480,46cyclictest472822-21latency_hist10:39:067
140024736,7sleep50-21swapper/506:59:115
1122399460,44cyclictest605699-21fschecks_count11:34:207
11223994443,0cyclictest0-21swapper/709:54:447
11223994441,2cyclictest505772-21ntpq10:49:357
11223994240,1cyclictest244475-21diskmemload11:49:257
11223994240,1cyclictest107-21kcompactd011:14:427
11218994239,2cyclictest34038-21kworker/u16:1+events_unbound07:49:226
11223994140,0cyclictest0-21swapper/712:29:447
1122399410,39cyclictest697689-21rm12:09:377
11218994139,2cyclictest482487-21kworker/u16:0+events_unbound10:44:326
1064524130,8sleep40-21swapper/407:00:064
1122399400,38cyclictest167946-21latency_hist08:24:077
11218994038,2cyclictest244956-21kworker/u16:4+events_unbound10:04:486
11223993937,1cyclictest244475-21diskmemload12:19:347
11223993937,1cyclictest244475-21diskmemload09:59:557
11223993936,2cyclictest307689-21ssh09:29:267
11218993937,2cyclictest4157381-21kworker/u16:0+events_unbound10:00:326
11218993937,2cyclictest4157381-21kworker/u16:0+events_unbound09:36:206
19102383,30sleep70-21swapper/706:59:217
11223993834,3cyclictest544413-21ssh11:08:367
11223993833,4cyclictest280610-21latency_hist09:19:067
11218993836,2cyclictest688579-21kworker/u16:2+events_unbound12:33:086
11218993836,2cyclictest425260-21kworker/u16:4+events_unbound11:32:416
11218993836,2cyclictest4157381-21kworker/u16:0+events_unbound09:42:216
1089123828,7sleep60-21swapper/607:03:376
11223993734,2cyclictest402227-21sed10:09:207
11218993735,2cyclictest4157381-21kworker/u16:0+events_unbound09:48:376
11218993735,2cyclictest388811-21kworker/u16:2+events_unbound10:35:466
11218993735,2cyclictest244956-21kworker/u16:4+events_unbound09:08:176
11212993735,2cyclictest205166-21kworker/u16:1+flush-8:009:44:064
11223993633,2cyclictest393751-21kthreadcore10:04:287
1122399360,34cyclictest207760-21cut08:44:237
11218993634,2cyclictest602776-21kworker/u16:0+events_unbound11:41:016
11218993634,2cyclictest460857-21kworker/u16:1+flush-8:010:39:386
11218993634,2cyclictest425260-21kworker/u16:4+events_unbound11:19:356
11218993633,2cyclictest1402-21kworker/u16:3+events_unbound07:19:346
11223993534,0cyclictest0-21swapper/711:32:277
11223993534,0cyclictest0-21swapper/711:26:127
11223993533,1cyclictest244475-21diskmemload09:06:287
11223993531,3cyclictest5747-21gnome-shell10:30:167
11218993533,2cyclictest602776-21kworker/u16:0+events_unbound12:22:586
11218993533,2cyclictest602776-21kworker/u16:0+events_unbound12:03:576
11218993533,2cyclictest4157381-21kworker/u16:0+events_unbound10:25:006
11218993533,2cyclictest4157381-21kworker/u16:0+events_unbound10:14:346
11218993533,2cyclictest205166-21kworker/u16:1+flush-8:008:44:376
11218993533,2cyclictest1402-21kworker/u16:3+flush-8:007:09:386
11218993532,2cyclictest4157381-21kworker/u16:0+events_unbound08:54:256
11223993434,0cyclictest0-21swapper/710:23:457
11223993433,0cyclictest0-21swapper/709:34:407
11223993433,0cyclictest0-21swapper/709:21:487
11223993433,0cyclictest0-21swapper/707:29:407
11223993431,2cyclictest21034-21munin-node07:09:127
11223993430,2cyclictest342023-21iostat_ios09:44:217
11218993432,2cyclictest688579-21kworker/u16:2+flush-8:012:14:526
11218993432,2cyclictest53356-21kworker/u16:2+events_unbound08:09:326
11218993432,2cyclictest4157381-21kworker/u16:0+flush-8:009:29:426
11218993432,2cyclictest244956-21kworker/u16:4+events_unbound09:13:186
11223993331,1cyclictest447148-21ssh10:26:007
11223993331,1cyclictest244475-21diskmemload09:28:217
11218993331,2cyclictest53356-21kworker/u16:2+flush-8:008:14:356
11218993331,2cyclictest4157381-21kworker/u16:0+events_unbound08:39:376
11218993331,2cyclictest205166-21kworker/u16:1+events_unbound09:14:346
11218993331,2cyclictest149212-21kworker/u16:3+events_unbound08:26:286
11218993330,2cyclictest34038-21kworker/u16:1+events_unbound07:30:526
11223993232,0cyclictest0-21swapper/711:58:287
11223993231,1cyclictest675424-21ssh12:01:527
1122399320,31cyclictest267054-21ssh09:11:217
1122399320,30cyclictest142051-21cut08:09:247
11218993230,2cyclictest482487-21kworker/u16:0+events_unbound11:17:386
11218993230,2cyclictest460857-21kworker/u16:1+events_unbound12:08:076
11218993230,2cyclictest460857-21kworker/u16:1+events_unbound12:08:076
11218993230,2cyclictest425260-21kworker/u16:4+events_unbound11:00:436
11218993230,2cyclictest205166-21kworker/u16:1+events_unbound09:56:476
11218993230,2cyclictest205166-21kworker/u16:1+events_unbound09:53:266
11218993229,2cyclictest482487-21kworker/u16:0+events_unbound10:49:066
11223993131,0cyclictest0-21swapper/711:48:567
11223993131,0cyclictest0-21swapper/710:57:497
11223993130,0cyclictest0-21swapper/710:14:157
11223993130,0cyclictest0-21swapper/708:14:177
11223993130,0cyclictest0-21swapper/707:39:227
11223993128,2cyclictest712483-21ssh12:19:057
11218993129,2cyclictest602776-21kworker/u16:0+flush-8:011:55:166
11218993129,2cyclictest460857-21kworker/u16:1+events_unbound11:48:016
11218993129,2cyclictest425260-21kworker/u16:4+events_unbound11:06:376
11218993129,2cyclictest4157381-21kworker/u16:0+events_unbound10:20:016
11218993129,2cyclictest4157381-21kworker/u16:0+events_unbound10:11:136
11218993129,2cyclictest4157381-21kworker/u16:0+events_unbound08:51:176
11218993129,2cyclictest388811-21kworker/u16:2+events_unbound10:31:386
1122399300,28cyclictest111680-21sh07:54:217
11218993028,2cyclictest615563-21kworker/u16:2+events_unbound11:49:236
11218993028,2cyclictest580687-21kworker/u16:2+events_unbound11:25:426
11218993027,2cyclictest53356-21kworker/u16:2+flush-8:007:59:366
11218993027,2cyclictest53356-21kworker/u16:2+flush-8:007:59:366
11218993027,2cyclictest4157381-21kworker/u16:0+events_unbound08:20:526
11214993026,3cyclictest640625-21kworker/u16:3+flush-8:011:54:065
11223992929,0cyclictest0-21swapper/711:21:287
11218992927,2cyclictest53356-21kworker/u16:2+events_unbound08:38:086
11218992927,2cyclictest34038-21kworker/u16:1+events_unbound07:44:526
11218992927,2cyclictest205166-21kworker/u16:1+flush-8:009:20:046
11223992828,0cyclictest0-21swapper/711:42:397
11223992828,0cyclictest0-21swapper/711:01:527
11223992825,2cyclictest358926-21cut09:49:287
11218992826,2cyclictest615563-21kworker/u16:2+events_unbound11:38:266
11218992826,2cyclictest53356-21kworker/u16:2+flush-8:008:04:396
11218992826,2cyclictest53356-21kworker/u16:2+events_unbound07:38:376
11218992826,2cyclictest53356-21kworker/u16:2+events_unbound07:25:166
11218992826,2cyclictest4157381-21kworker/u16:0+events_unbound08:32:166
11214992826,2cyclictest615563-21kworker/u16:2+flush-8:011:44:065
11218992725,2cyclictest688579-21kworker/u16:2+events_unbound12:28:546
11218992725,2cyclictest482487-21kworker/u16:0+events_unbound10:58:386
11223992626,0cyclictest0-21swapper/711:10:247
11223992624,1cyclictest686648-21ssh12:05:327
11223992624,1cyclictest686648-21ssh12:05:327
11218992624,2cyclictest53356-21kworker/u16:2+flush-8:007:54:256
11218992624,2cyclictest34038-21kworker/u16:1+events_unbound07:43:326
11218992623,2cyclictest4157381-21kworker/u16:0+flush-8:008:59:236
1122399250,23cyclictest5747-21gnome-shell07:14:167
1122399250,23cyclictest5747-21gnome-shell07:14:167
11218992523,2cyclictest1402-21kworker/u16:3+events_unbound07:18:336
11218992523,2cyclictest1402-21kworker/u16:3+events_unbound07:18:336
11214992523,2cyclictest602776-21kworker/u16:0+flush-8:012:04:275
11214992523,2cyclictest602776-21kworker/u16:0+flush-8:012:04:275
11218992422,2cyclictest3472824-21kworker/u16:2+events_unbound07:07:506
11223992221,0cyclictest0-21swapper/707:24:217
11218992220,2cyclictest4157381-21kworker/u16:0+events_unbound09:28:506
11223992121,0cyclictest0-21swapper/710:49:047
3259312200,0sleep40-21swapper/409:34:394
11214992019,1cyclictest602776-21kworker/u16:0+events_unbound12:01:305
11223991914,4cyclictest234899-21latency_hist08:59:067
11214991816,2cyclictest4157381-21kworker/u16:0+flush-8:010:29:285
11214991815,3cyclictest34038-21kworker/u16:1+events_unbound07:26:125
11212991714,3cyclictest0-21swapper/407:04:244
1121299170,3cyclictest0-21swapper/411:10:484
1121299170,1cyclictest0-21swapper/411:17:444
11223991613,2cyclictest103248-21kthreadcore07:49:247
1121299163,13cyclictest0-21swapper/408:40:484
1121299160,0cyclictest0-21swapper/411:59:034
1121299160,0cyclictest0-21swapper/409:21:594
11223991511,3cyclictest176553-21ntpq08:24:317
1122399150,14cyclictest220775-21grep08:49:277
1122399150,13cyclictest73944-21kthreadcore07:34:237
11214991513,2cyclictest4157381-21kworker/u16:0+flush-8:010:18:075
11212991513,2cyclictest0-21swapper/409:55:084
11212991512,3cyclictest0-21swapper/409:25:294
1121299150,1cyclictest0-21swapper/410:59:374
1121299150,0cyclictest0-21swapper/409:32:544
11223991414,0cyclictest0-21swapper/708:35:167
1121499140,1cyclictest0-21swapper/512:25:235
1121499140,1cyclictest0-21swapper/512:20:395
1121499140,1cyclictest0-21swapper/510:56:285
1121499140,1cyclictest0-21swapper/510:10:355
11212991413,1cyclictest0-21swapper/411:37:464
11212991413,1cyclictest0-21swapper/411:21:414
11212991413,1cyclictest0-21swapper/410:40:044
11212991413,1cyclictest0-21swapper/409:04:504
11212991412,2cyclictest0-21swapper/408:36:184
1121299140,1cyclictest0-21swapper/411:05:364
1121299140,14cyclictest0-21swapper/412:12:464
1121299140,14cyclictest0-21swapper/411:40:084
1121299140,14cyclictest0-21swapper/410:15:384
1121299140,11cyclictest0-21swapper/408:07:374
3372292130,0sleep50-21swapper/509:39:295
1122399139,3cyclictest1267-21snmpd07:06:367
1122399136,6cyclictest5944-21gmain07:59:197
1122399136,6cyclictest5944-21gmain07:59:197
11223991310,2cyclictest92376-21diskstats07:44:197
11214991312,1cyclictest0-21swapper/511:21:515
11214991312,1cyclictest0-21swapper/510:28:145
11214991312,1cyclictest0-21swapper/509:47:065
11214991311,2cyclictest425260-21kworker/u16:4+events_unbound10:41:485
11212991312,1cyclictest0-21swapper/412:21:454
11212991312,1cyclictest0-21swapper/411:49:354
1121299130,7cyclictest56180-21chrt07:24:264
1121299130,1cyclictest0-21swapper/408:16:174
1121299130,13cyclictest0-21swapper/409:45:504
1121299130,0cyclictest0-21swapper/412:30:444
1121299130,0cyclictest0-21swapper/408:55:084
1121299130,0cyclictest0-21swapper/408:48:554
1121299130,0cyclictest0-21swapper/407:34:594
1122399128,3cyclictest44795-21cat07:19:227
1122399128,3cyclictest186156-21ntp_states08:29:347
1122399128,3cyclictest130045-21/usr/sbin/munin08:04:357
1122399123,8cyclictest1267-21snmpd08:39:327
11214991211,1cyclictest0-21swapper/512:18:175
11214991211,1cyclictest0-21swapper/511:34:275
11214991210,2cyclictest1402-21kworker/u16:3+flush-8:007:14:235
11214991210,2cyclictest1402-21kworker/u16:3+flush-8:007:14:235
1121499120,12cyclictest0-21swapper/511:32:245
1121499120,12cyclictest0-21swapper/509:35:265
1121499120,12cyclictest0-21swapper/508:49:525
1121499120,11cyclictest0-21swapper/507:58:385
1121499120,11cyclictest0-21swapper/507:22:325
1121499120,0cyclictest0-21swapper/509:58:555
11212991211,1cyclictest0-21swapper/412:08:114
11212991211,1cyclictest0-21swapper/412:08:114
11212991211,1cyclictest0-21swapper/412:03:374
11212991211,1cyclictest0-21swapper/411:44:514
11212991210,2cyclictest0-21swapper/410:36:174
1121299120,8cyclictest0-21swapper/409:14:354
1121299120,12cyclictest0-21swapper/408:22:544
1121299120,11cyclictest518421-21chrt10:54:464
1122399110,4cyclictest238729-21kthreadcore08:59:257
1121499115,5cyclictest6010-21gdbus11:25:135
11214991110,1cyclictest0-21swapper/512:32:385
11214991110,1cyclictest0-21swapper/509:06:165
11214991110,1cyclictest0-21swapper/508:21:105
11214991110,1cyclictest0-21swapper/507:12:545
1121499110,11cyclictest0-21swapper/509:51:025
1121499110,11cyclictest0-21swapper/508:56:015
1121299119,2cyclictest0-21swapper/410:02:324
1121299119,2cyclictest0-21swapper/408:09:404
1121299119,2cyclictest0-21swapper/407:11:204
11212991110,1cyclictest0-21swapper/410:49:414
11212991110,1cyclictest0-21swapper/408:50:484
11212991110,1cyclictest0-21swapper/407:58:284
1121299110,9cyclictest0-21swapper/410:29:454
1121299110,1cyclictest0-21swapper/410:20:584
1121299110,11cyclictest0-21swapper/407:46:584
1121299110,10cyclictest711738-21chrt12:17:414
1121299110,10cyclictest494606-21chrt10:45:004
1121299110,10cyclictest43482-21chrt07:17:134
1121299110,10cyclictest43482-21chrt07:17:134
1121299110,10cyclictest364588-21taskset09:53:464
1121499109,1cyclictest0-21swapper/511:09:045
1121499109,1cyclictest0-21swapper/510:50:095
1121499109,1cyclictest0-21swapper/510:06:395
1121499109,1cyclictest0-21swapper/509:33:325
1121499109,1cyclictest0-21swapper/508:43:525
1121499109,1cyclictest0-21swapper/508:34:445
1121499109,1cyclictest0-21swapper/508:32:315
1121299108,2cyclictest0-21swapper/410:09:574
1121299108,2cyclictest0-21swapper/408:00:404
1121299108,2cyclictest0-21swapper/408:00:404
1121299104,5cyclictest2662832sleep409:09:554
1121299100,9cyclictest733222-21chrt12:24:304
1121299100,9cyclictest590288-21chrt11:24:434
1121299100,9cyclictest52822-21taskset07:19:454
1121299100,9cyclictest447017-21chrt10:25:444
1121299100,9cyclictest399453-21chrt10:06:294
1121299100,9cyclictest244323-21chrt09:02:094
1121299100,9cyclictest186751-21chrt08:29:404
1121299100,4cyclictest0-21swapper/407:29:304
112149998,1cyclictest0-21swapper/512:11:025
112149998,1cyclictest0-21swapper/511:46:265
112149998,1cyclictest0-21swapper/511:17:355
112149998,1cyclictest0-21swapper/509:20:085
112149998,1cyclictest0-21swapper/508:27:575
112149998,1cyclictest0-21swapper/508:18:585
112149998,1cyclictest0-21swapper/508:00:505
112149998,1cyclictest0-21swapper/508:00:505
112149997,2cyclictest388811-21kworker/u16:2+flush-8:010:19:425
112149996,3cyclictest482487-21kworker/u16:0+flush-8:010:44:475
112129990,8cyclictest91381-21chrt07:43:014
112129990,8cyclictest177225-21taskset08:25:234
112129990,8cyclictest109659-21taskset07:49:344
112129990,8cyclictest0-21swapper/411:30:484
112149987,1cyclictest0-21swapper/511:13:205
112149987,1cyclictest0-21swapper/509:25:495
112149987,1cyclictest0-21swapper/508:09:595
112149986,2cyclictest244631-21kworker/u16:2+flush-8:009:09:175
112149976,1cyclictest0-21swapper/511:02:375
112149976,1cyclictest0-21swapper/507:46:485
112149976,1cyclictest0-21swapper/507:39:245
112149976,1cyclictest0-21swapper/507:34:305
112149965,1cyclictest0-21swapper/509:02:105
112149965,1cyclictest0-21swapper/507:32:095
112149963,2cyclictest6636062sleep511:57:155
112149963,2cyclictest3879752sleep510:02:385
112149962,3cyclictest11734-21cat07:04:195
112149960,2cyclictest0-21swapper/510:38:215
112149953,1cyclictest0-21swapper/508:04:095
112149950,5cyclictest0-21swapper/509:14:125
112149950,5cyclictest0-21swapper/508:44:365
112149950,5cyclictest0-21swapper/507:49:225
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