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2026-06-15 - 00:02
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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
Characteristics of the 376 highest latencies:
System rack6slot0.osadl.org (updated Sun Jun 14, 2026 13:02:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1479399202191,8cyclictest0-21swapper/611:47:0436
1479399202191,8cyclictest0-21swapper/611:47:0336
1479399202191,8cyclictest0-21swapper/611:47:0336
1479399201197,2cyclictest0-21swapper/611:35:1936
1479399201197,2cyclictest0-21swapper/611:35:1936
1479399201197,2cyclictest0-21swapper/611:35:1936
1479299200182,15cyclictest0-21swapper/512:00:3735
1479299200182,15cyclictest0-21swapper/512:00:3735
1479299200182,15cyclictest0-21swapper/512:00:3635
14822991961,183cyclictest0-21swapper/2912:10:1422
14822991961,183cyclictest0-21swapper/2912:10:1422
14822991961,183cyclictest0-21swapper/2912:10:1322
1483199195185,8cyclictest0-21swapper/3810:40:4132
1483199195185,8cyclictest0-21swapper/3810:40:4132
1483199195185,8cyclictest0-21swapper/3810:40:4132
1482899195190,4cyclictest0-21swapper/3512:21:5829
1482899195190,4cyclictest0-21swapper/3512:21:5729
1482599194141,40cyclictest0-21swapper/3209:55:3426
1482599194141,40cyclictest0-21swapper/3209:55:3426
1482599194141,40cyclictest0-21swapper/3209:55:3426
1482899192186,5cyclictest0-21swapper/3510:54:3329
1482899192186,5cyclictest0-21swapper/3510:54:3329
1482899191184,5cyclictest0-21swapper/3509:05:1529
1482899191184,5cyclictest0-21swapper/3509:05:1529
1482899190186,2cyclictest0-21swapper/3511:21:2329
1482899190186,2cyclictest0-21swapper/3511:21:2229
1482899189181,6cyclictest0-21swapper/3511:51:5729
1482899189181,6cyclictest0-21swapper/3511:51:5729
1482899189181,6cyclictest0-21swapper/3511:51:5729
1482899187172,10cyclictest0-21swapper/3509:03:1929
1482899187168,12cyclictest0-21swapper/3507:25:0129
1482899187168,12cyclictest0-21swapper/3507:25:0129
1482899186174,10cyclictest0-21swapper/3511:10:4729
1482899186174,10cyclictest0-21swapper/3511:10:4729
1482599186154,30cyclictest0-21swapper/3209:35:3726
1482599186154,30cyclictest0-21swapper/3209:35:3726
14830991851,178cyclictest24614-21bash09:10:1631
14830991851,178cyclictest24614-21bash09:10:1531
1482899184176,4cyclictest0-21swapper/3510:14:4329
1482899184176,4cyclictest0-21swapper/3510:14:4329
1482899184176,4cyclictest0-21swapper/3510:14:4229
1479399184174,5cyclictest0-21swapper/611:42:3936
1479399184174,5cyclictest0-21swapper/611:42:3936
1482599183152,29cyclictest0-21swapper/3211:36:0826
1482599183152,29cyclictest0-21swapper/3211:36:0826
1482599183152,29cyclictest0-21swapper/3211:36:0826
1482899182176,4cyclictest3535-21qemu-system-x8607:15:0029
1482899182176,4cyclictest3535-21qemu-system-x8607:15:0029
1482899181178,2cyclictest0-21swapper/3510:38:0029
1482899181178,2cyclictest0-21swapper/3510:38:0029
1482899181149,12cyclictest0-21swapper/3511:55:4029
1482899181149,12cyclictest0-21swapper/3511:55:4029
1482899181149,12cyclictest0-21swapper/3511:55:4029
1482699181178,2cyclictest0-21swapper/3308:50:2127
1482699181178,2cyclictest0-21swapper/3308:50:2127
1478799181176,4cyclictest0-21swapper/107:10:521
1478799181176,4cyclictest0-21swapper/107:10:521
14825991790,100cyclictest0-21swapper/3211:40:1826
14825991790,100cyclictest0-21swapper/3211:40:1826
1482299179153,18cyclictest0-21swapper/2910:48:3822
1482299179153,18cyclictest0-21swapper/2910:48:3822
1479799179173,4cyclictest0-21swapper/1010:41:012
1479799179173,4cyclictest0-21swapper/1010:41:012
1479799179173,4cyclictest0-21swapper/1010:41:002
1482899178166,8cyclictest0-21swapper/3512:20:0629
1482899178166,8cyclictest0-21swapper/3512:20:0629
1482899178165,11cyclictest0-21swapper/3509:10:2929
1482899178165,11cyclictest0-21swapper/3509:10:2929
1482899178161,9cyclictest0-21swapper/3511:25:4729
1482899178161,9cyclictest0-21swapper/3511:25:4729
1482899177170,4cyclictest0-21swapper/3507:40:1629
1482899177170,4cyclictest0-21swapper/3507:40:1529
1482599177138,38cyclictest0-21swapper/3211:08:4526
1482599177138,38cyclictest0-21swapper/3211:08:4526
1479399177135,13cyclictest0-21swapper/608:20:2936
1479399177135,13cyclictest0-21swapper/608:20:2836
1483099176158,16cyclictest0-21swapper/3710:07:4431
1483099176158,16cyclictest0-21swapper/3710:07:4431
1482899176166,8cyclictest0-21swapper/3510:49:2629
1482899176166,8cyclictest0-21swapper/3510:49:2629
1480699176153,21cyclictest0-21swapper/1610:25:508
1480699176153,21cyclictest0-21swapper/1610:25:508
14806991761,171cyclictest2466-21CPU8
14806991761,171cyclictest2466-21CPU8
14806991761,171cyclictest2466-21CPU8
1480599176135,39cyclictest0-21swapper/1511:59:157
1480599176135,39cyclictest0-21swapper/1511:59:157
1480599176135,39cyclictest0-21swapper/1511:59:157
1480399176166,9cyclictest0-21swapper/1310:22:185
1480399176166,9cyclictest0-21swapper/1310:22:185
1478799176168,7cyclictest0-21swapper/107:10:041
1479799175166,7cyclictest0-21swapper/1009:33:302
1479799175166,7cyclictest0-21swapper/1009:33:302
1479799175166,7cyclictest0-21swapper/1009:33:292
1479399175164,9cyclictest0-21swapper/608:00:4236
1479399175164,9cyclictest0-21swapper/608:00:4236
1482899174162,8cyclictest0-21swapper/3512:26:1129
1482899174162,8cyclictest0-21swapper/3512:26:1129
1482899174161,8cyclictest17484-21nfsd10:15:4129
1482899174161,8cyclictest17484-21nfsd10:15:4129
1482899174161,8cyclictest17484-21nfsd10:15:4129
1482899173166,6cyclictest0-21swapper/3511:43:0129
1482899173166,6cyclictest0-21swapper/3511:43:0029
1482899173163,8cyclictest0-21swapper/3510:31:1729
1482899173163,8cyclictest0-21swapper/3510:31:1729
1482899173163,8cyclictest0-21swapper/3510:31:1629
148259917384,86cyclictest0-21swapper/3211:10:1526
148259917384,86cyclictest0-21swapper/3211:10:1426
1479999173166,6cyclictest0-21swapper/1108:35:243
1479999173166,6cyclictest0-21swapper/1108:35:233
1482899172166,4cyclictest0-21swapper/3508:05:2329
1482899172164,6cyclictest0-21swapper/3512:14:2329
1482899172164,6cyclictest0-21swapper/3512:14:2329
1482899172164,6cyclictest0-21swapper/3512:14:2329
148099917278,70cyclictest3542-21CPU11
148099917278,70cyclictest3542-21CPU11
1479399172129,20cyclictest0-21swapper/609:34:3436
1479399172129,20cyclictest0-21swapper/609:34:3436
1479399172129,20cyclictest0-21swapper/609:34:3436
1480399171131,26cyclictest4407-21CPU5
1480399171131,26cyclictest4407-21CPU5
1479299171149,20cyclictest0-21swapper/511:49:1535
1479299171149,20cyclictest0-21swapper/511:49:1535
1479299171149,20cyclictest0-21swapper/511:49:1535
1478899171153,6cyclictest0-21swapper/210:04:1812
1478899171153,6cyclictest0-21swapper/210:04:1812
1478899171153,6cyclictest0-21swapper/210:04:1812
1483099170146,22cyclictest0-21swapper/3712:10:0131
1483099170146,22cyclictest0-21swapper/3712:10:0131
1483099170146,22cyclictest0-21swapper/3712:10:0131
1482899170164,5cyclictest0-21swapper/3509:47:5829
1482899170164,5cyclictest0-21swapper/3509:47:5829
1482899170163,4cyclictest0-21swapper/3508:26:0329
1482899170163,4cyclictest0-21swapper/3508:26:0329
1482899170162,7cyclictest0-21swapper/3508:49:2829
1482899170162,7cyclictest0-21swapper/3508:49:2829
1482899170158,9cyclictest0-21swapper/3508:10:2229
1482899170158,10cyclictest16310-21sh11:31:2729
1482899170158,10cyclictest16310-21sh11:31:2729
1482899170158,10cyclictest16310-21sh11:31:2729
1482899170154,11cyclictest4508-21latency_hist07:30:0429
1482899170154,11cyclictest4508-21latency_hist07:30:0429
14825991702,160cyclictest37265-21CPU26
14825991702,160cyclictest37265-21CPU26
14825991702,160cyclictest37265-21CPU26
148159917038,128cyclictest34930-21kworker/u81:1+events_unbound10:00:1317
148159917038,128cyclictest34930-21kworker/u81:1+events_unbound10:00:1317
148159917038,128cyclictest34930-21kworker/u81:1+events_unbound10:00:1317
1480399170153,7cyclictest0-21swapper/1311:01:315
1480399170153,7cyclictest0-21swapper/1311:01:315
1480399170143,23cyclictest3547-21CPU5
1480399170143,23cyclictest3547-21CPU5
1480399170143,23cyclictest3547-21CPU5
1479999170163,5cyclictest0-21swapper/1110:00:403
1479999170163,5cyclictest0-21swapper/1110:00:403
1479999170163,5cyclictest0-21swapper/1110:00:403
1479999170156,5cyclictest0-21swapper/1109:01:523
1482899169162,4cyclictest0-21swapper/3507:50:0029
1482899169162,4cyclictest0-21swapper/3507:50:0029
1482599169125,40cyclictest0-21swapper/3211:18:3326
1482599169125,40cyclictest0-21swapper/3211:18:3326
14825991691,164cyclictest0-21swapper/3211:00:1626
14825991691,164cyclictest0-21swapper/3211:00:1626
1481199169166,2cyclictest0-21swapper/2009:15:2613
1481199169166,2cyclictest0-21swapper/2009:15:2613
1481199169166,2cyclictest0-21swapper/2009:15:2613
1480799169162,3cyclictest3609-21CPU9
1480799169162,3cyclictest3609-21CPU9
1480399169146,12cyclictest171rcu_preempt12:33:435
1480399169146,12cyclictest171rcu_preempt12:33:425
1479399169107,39cyclictest0-21swapper/610:02:4836
1479399169107,39cyclictest0-21swapper/610:02:4836
1479399169107,39cyclictest0-21swapper/610:02:4736
1479299169163,4cyclictest0-21swapper/511:11:4835
1479299169163,4cyclictest0-21swapper/511:11:4835
14830991681,119cyclictest17483-21nfsd08:40:1331
14830991681,119cyclictest17483-21nfsd08:40:1331
1482899168163,4cyclictest0-21swapper/3511:18:3829
1482899168163,4cyclictest0-21swapper/3511:18:3829
1482899168160,4cyclictest3544-21CPU29
1482899168160,4cyclictest3544-21CPU29
1482899168160,4cyclictest3544-21CPU29
14825991681,142cyclictest0-21swapper/3209:01:3126
1480399168160,7cyclictest0-21swapper/1311:10:025
1480399168160,7cyclictest0-21swapper/1311:10:025
1479999168155,10cyclictest2454-21CPU3
1479999168155,10cyclictest2454-21CPU3
1478799168115,43cyclictest0-21swapper/112:29:121
1478799168115,43cyclictest0-21swapper/112:29:121
14825991671,133cyclictest0-21swapper/3209:10:1226
14825991671,133cyclictest0-21swapper/3209:10:1126
1479799167154,7cyclictest0-21swapper/1008:45:502
1479799167154,7cyclictest0-21swapper/1008:45:502
1479799167153,11cyclictest0-21swapper/1012:27:402
1479799167153,11cyclictest0-21swapper/1012:27:402
1479399167150,3cyclictest20660-21kworker/u81:3-events_unbound11:22:2236
1479399167150,3cyclictest20660-21kworker/u81:3-events_unbound11:22:2236
1479399167148,3cyclictest0-21swapper/611:28:4336
1479399167148,3cyclictest0-21swapper/611:28:4336
1482899166161,4cyclictest0-21swapper/3507:36:0929
1482899166161,4cyclictest0-21swapper/3507:36:0929
1482599166148,16cyclictest0-21swapper/3210:38:4126
1482599166148,16cyclictest0-21swapper/3210:38:4026
148149916613,141cyclictest37357-21CPU16
148149916613,141cyclictest37357-21CPU16
1480999166161,3cyclictest0-21swapper/1909:23:3811
1480999166161,3cyclictest0-21swapper/1909:23:3811
1480999166161,3cyclictest0-21swapper/1909:23:3811
148069916673,89cyclictest0-21swapper/1610:06:568
148069916673,89cyclictest0-21swapper/1610:06:568
1480399166146,11cyclictest0-21swapper/1311:45:155
1480399166146,11cyclictest0-21swapper/1311:45:155
1480399166146,11cyclictest0-21swapper/1311:45:155
1479399166149,16cyclictest40511-21kworker/u80:2-ext4-rsv-conversion11:57:2336
1479399166149,16cyclictest40511-21kworker/u80:2-ext4-rsv-conversion11:57:2336
1479399166149,16cyclictest40511-21kworker/u80:2-ext4-rsv-conversion11:57:2236
1482899165161,2cyclictest0-21swapper/3510:09:2529
1482899165161,2cyclictest0-21swapper/3510:09:2529
14823991652,4cyclictest2466-21CPU24
14823991652,4cyclictest2466-21CPU24
14806991651,86cyclictest3535-21qemu-system-x8612:25:018
14806991651,86cyclictest3535-21qemu-system-x8612:25:008
1479999165141,22cyclictest0-21swapper/1110:47:353
1479999165141,22cyclictest0-21swapper/1110:47:353
1483099164128,34cyclictest0-21swapper/3711:26:4631
1483099164128,34cyclictest0-21swapper/3711:26:4631
1482899164159,4cyclictest0-21swapper/3507:16:1029
1482899164159,4cyclictest0-21swapper/3507:16:1029
1482899164155,5cyclictest0-21swapper/3508:25:0129
1482899164155,5cyclictest0-21swapper/3508:25:0129
148259916493,59cyclictest0-21swapper/3211:25:1226
148259916493,59cyclictest0-21swapper/3211:25:1226
1480899164154,5cyclictest0-21swapper/1809:26:3310
1480899164154,5cyclictest0-21swapper/1809:26:3210
1480799164151,7cyclictest0-21swapper/1712:19:269
1480799164151,7cyclictest0-21swapper/1712:19:259
14806991641,2cyclictest0-21swapper/1609:10:198
14806991641,2cyclictest0-21swapper/1609:10:198
1478899164131,24cyclictest2447-21CPU12
1478899164131,24cyclictest2447-21CPU12
1478899164131,24cyclictest2447-21CPU12
14830991632,156cyclictest0-21swapper/3708:20:2031
14830991632,156cyclictest0-21swapper/3708:20:1931
1483099163103,57cyclictest3544-21CPU31
1483099163103,57cyclictest3544-21CPU31
1482899163155,5cyclictest0-21swapper/3508:15:2729
1482899163155,5cyclictest0-21swapper/3508:15:2729
14825991630,160cyclictest20959-2110-uname10:50:1626
14825991630,160cyclictest20959-2110-uname10:50:1526
1480899163160,2cyclictest0-21swapper/1811:04:5710
1480899163160,2cyclictest0-21swapper/1811:04:5710
1480899163129,20cyclictest0-21swapper/1812:30:4410
1480899163129,20cyclictest0-21swapper/1812:30:4410
14806991630,153cyclictest0-21swapper/1612:17:278
14806991630,153cyclictest0-21swapper/1612:17:278
1480399163155,2cyclictest0-21swapper/1311:25:535
1480399163155,2cyclictest0-21swapper/1311:25:535
1480399163154,8cyclictest0-21swapper/1312:04:295
1480399163154,8cyclictest0-21swapper/1312:04:295
1480399163154,8cyclictest0-21swapper/1312:04:285
1479799163158,4cyclictest0-21swapper/1011:17:502
1479799163158,4cyclictest0-21swapper/1011:17:492
1479799163154,4cyclictest0-21swapper/1007:38:442
1479799163154,4cyclictest0-21swapper/1007:38:442
1479299163132,6cyclictest0-21swapper/511:07:2035
1479299163132,6cyclictest0-21swapper/511:07:2035
14830991620,159cyclictest0-21swapper/3712:00:2931
14830991620,159cyclictest0-21swapper/3712:00:2931
14830991620,159cyclictest0-21swapper/3712:00:2931
1482899162156,4cyclictest0-21swapper/3511:45:1029
1482899162156,4cyclictest0-21swapper/3511:45:1029
1482899162156,4cyclictest0-21swapper/3511:45:1029
1480799162152,6cyclictest0-21swapper/1711:48:029
1480799162152,6cyclictest0-21swapper/1711:48:029
1480799162152,6cyclictest0-21swapper/1711:48:029
1480399162152,8cyclictest0-21swapper/1307:14:325
1480399162152,8cyclictest0-21swapper/1307:14:325
1480399162152,6cyclictest0-21swapper/1310:28:275
1480399162152,6cyclictest0-21swapper/1310:28:275
1478899162111,48cyclictest4407-21CPU12
1478899162111,48cyclictest4407-21CPU12
1478699162157,4cyclictest0-21swapper/010:58:130
1478699162157,4cyclictest0-21swapper/010:58:130
1478699162157,4cyclictest0-21swapper/010:58:130
1483199161157,2cyclictest0-21swapper/3810:06:0532
1483199161157,2cyclictest0-21swapper/3810:06:0532
1482899161155,4cyclictest0-21swapper/3508:05:0429
1482899161152,4cyclictest0-21swapper/3508:35:5229
1482899161152,4cyclictest0-21swapper/3508:35:5129
1482899161148,6cyclictest0-21swapper/3510:42:5329
1482899161148,6cyclictest0-21swapper/3510:42:5329
1482899161148,6cyclictest0-21swapper/3510:42:5229
14822991611,4cyclictest1-21systemd10:55:2022
14822991611,4cyclictest1-21systemd10:55:2022
14822991611,4cyclictest1-21systemd10:55:2022
1480999161153,6cyclictest0-21swapper/1909:45:4311
1480999161153,6cyclictest0-21swapper/1909:45:4211
1479999161126,14cyclictest0-21swapper/1112:33:183
1479999161126,14cyclictest0-21swapper/1112:33:183
1479399161149,6cyclictest0-21swapper/612:26:2336
1479399161149,6cyclictest0-21swapper/612:26:2336
1479299161150,6cyclictest2454-21CPU35
1479299161150,6cyclictest2454-21CPU35
1479299161150,6cyclictest2454-21CPU35
1478799161146,13cyclictest0-21swapper/111:57:281
1478799161146,13cyclictest0-21swapper/111:57:281
1478799161146,13cyclictest0-21swapper/111:57:271
1478799161133,18cyclictest7271-21systemd10:55:511
1478799161133,18cyclictest7271-21systemd10:55:511
1478799161133,18cyclictest7271-21systemd10:55:511
14830991603,147cyclictest0-21swapper/3711:46:3431
14830991603,147cyclictest0-21swapper/3711:46:3331
14830991603,147cyclictest0-21swapper/3711:46:3331
1483099160106,49cyclictest0-21swapper/3709:22:1131
1483099160106,49cyclictest0-21swapper/3709:22:1131
1483099160106,49cyclictest0-21swapper/3709:22:1131
1482899160155,4cyclictest0-21swapper/3508:41:2229
1482899160155,4cyclictest0-21swapper/3508:41:2229
1482899160154,4cyclictest0-21swapper/3507:35:0429
1482899160154,4cyclictest0-21swapper/3507:35:0329
1482899160153,5cyclictest0-21swapper/3507:50:2229
1482899160153,5cyclictest0-21swapper/3507:50:2129
1482599160123,29cyclictest0-21swapper/3209:45:4726
1482599160123,29cyclictest0-21swapper/3209:45:4626
1480999160143,16cyclictest0-21swapper/1909:57:4611
1480999160143,16cyclictest0-21swapper/1909:57:4611
1480999160143,16cyclictest0-21swapper/1909:57:4611
1480999160100,55cyclictest2466-21CPU11
1480999160100,55cyclictest2466-21CPU11
1480999160100,55cyclictest2466-21CPU11
14805991602,5cyclictest2459-21CPU7
14805991602,5cyclictest2459-21CPU7
14805991602,5cyclictest2459-21CPU7
1480399160146,8cyclictest171rcu_preempt11:36:055
1480399160146,8cyclictest171rcu_preempt11:36:055
1480399160146,8cyclictest171rcu_preempt11:36:055
1480399160143,5cyclictest0-21swapper/1308:47:085
1480399160143,5cyclictest0-21swapper/1308:47:085
1479999160154,4cyclictest0-21swapper/1109:40:593
1479999160154,4cyclictest0-21swapper/1109:40:593
1479999160147,11cyclictest0-21swapper/1110:06:313
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1479999160117,31cyclictest0-21swapper/1111:51:393
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1479999160117,31cyclictest0-21swapper/1111:51:383
1479799160153,5cyclictest0-21swapper/1009:07:232
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1479799160150,9cyclictest0-21swapper/1010:12:412
1479799160150,9cyclictest0-21swapper/1010:12:412
1479799160150,9cyclictest0-21swapper/1010:12:412
1479299160144,14cyclictest0-21swapper/509:15:0135
1479299160144,14cyclictest0-21swapper/509:15:0135
1479299160118,13cyclictest171rcu_preempt10:19:2035
1479299160118,13cyclictest171rcu_preempt10:19:2035
1479299160118,13cyclictest171rcu_preempt10:19:1935
1483199159152,5cyclictest0-21swapper/3809:28:4432
1483199159152,5cyclictest0-21swapper/3809:28:4432
1483099159103,45cyclictest0-21swapper/3708:05:2431
1482899159156,2cyclictest0-21swapper/3509:43:0929
1482899159156,2cyclictest0-21swapper/3509:43:0929
1482899159148,10cyclictest0-21swapper/3509:19:4329
1482899159148,10cyclictest0-21swapper/3509:19:4329
1482899159148,10cyclictest0-21swapper/3509:19:4229
148259915987,70cyclictest0-21swapper/3209:50:0826
148259915987,70cyclictest0-21swapper/3209:50:0826
14823991593,144cyclictest0-21swapper/3009:31:3824
14823991593,144cyclictest0-21swapper/3009:31:3824
14823991593,144cyclictest0-21swapper/3009:31:3824
1480899159148,10cyclictest0-21swapper/1807:45:3310
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1480899159118,21cyclictest0-21swapper/1810:59:1510
1480899159118,21cyclictest0-21swapper/1810:59:1510
1480899159118,21cyclictest0-21swapper/1810:59:1510
1480899159109,34cyclictest2464-21CPU10
1480899159109,34cyclictest2464-21CPU10
1480899159109,34cyclictest2464-21CPU10
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