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2026-09-08 - 17:12
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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 Tue Sep 08, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
153360525518,31sleep70-21swapper/707:05:257
152617424030,7sleep50-21swapper/507:05:075
153523223322,8sleep40-21swapper/407:08:114
153517823323,7sleep60-21swapper/607:07:246
21522322260,1chrt2152233-21ssh11:43:057
1535641992524,0cyclictest0-21swapper/708:55:127
1535636992522,2cyclictest1772197-21kworker/u16:2+flush-8:010:05:245
1535634992521,3cyclictest1999284-21kworker/u16:1+flush-8:011:04:584
1535636992321,2cyclictest2177965-21kworker/u16:1+events_unbound12:00:065
1535641992221,0cyclictest0-21swapper/707:30:177
1535641992120,0cyclictest0-21swapper/709:58:007
1535636992119,2cyclictest1772197-21kworker/u16:2+flush-8:009:55:065
1535641992019,0cyclictest0-21swapper/709:26:567
1535636992018,2cyclictest2104062-21kworker/u16:2+flush-8:011:35:045
1535636992018,2cyclictest1796671-21kworker/u16:4+flush-8:010:25:275
1535641991918,0cyclictest0-21swapper/709:45:107
1535641991917,1cyclictest2039738-21sh10:55:297
153564199190,17cyclictest1808753-21turbostat09:24:587
153564199190,17cyclictest0-21swapper/708:26:457
1535636991917,2cyclictest2104062-21kworker/u16:2+flush-8:012:20:195
1535636991917,2cyclictest2067591-21kworker/u16:0+flush-8:011:55:095
1535636991914,4cyclictest1626256-21latency_hist07:54:595
1535641991817,0cyclictest0-21swapper/710:12:087
1535641991816,1cyclictest2275187-21ssh12:32:587
153564199180,17cyclictest0-21swapper/712:05:237
1535636991816,2cyclictest2104062-21kworker/u16:2+flush-8:012:19:395
1535634991816,2cyclictest1577828-21kworker/u16:3+events_unbound10:55:134
153564199173,6cyclictest0-21swapper/708:17:467
153564199171,14cyclictest2174717-21ssh11:50:227
1535641991612,3cyclictest1256-21snmpd12:27:237
153564199160,14cyclictest1256-21snmpd12:04:467
153564199160,14cyclictest0-21swapper/709:05:237
153563999163,5cyclictest0-21swapper/609:02:246
1535639991614,2cyclictest1772197-21kworker/u16:2+flush-8:009:55:146
153563699162,13cyclictest2172159-21kthreadcore11:50:175
1535636991614,2cyclictest2177965-21kworker/u16:1+flush-8:012:08:385
1535636991614,2cyclictest1796671-21kworker/u16:4+flush-8:010:59:575
1535636991614,2cyclictest1665413-21kworker/u16:0+events_unbound08:26:565
1535634991614,2cyclictest1772197-21kworker/u16:2+flush-8:010:15:294
153564199156,8cyclictest0-21swapper/707:12:567
1535641991513,1cyclictest1577947-21turbostat07:29:597
1535641991513,1cyclictest0-21swapper/712:15:167
1535641991513,1cyclictest0-21swapper/709:11:397
153564199150,14cyclictest0-21swapper/712:10:227
153564199150,14cyclictest0-21swapper/711:25:227
153564199150,13cyclictest1854789-21ssh09:40:227
153564199150,13cyclictest1771711-21diskmemload10:05:217
1535639991513,1cyclictest0-21swapper/607:15:036
1535639991511,3cyclictest1821065-21latency_hist09:29:596
1535636991513,2cyclictest2264514-21kworker/u16:1+flush-8:012:35:275
1535636991513,2cyclictest1772197-21kworker/u16:2+flush-8:009:45:505
1535636991513,2cyclictest1763187-21kworker/u16:1+flush-8:009:05:165
1535636991513,2cyclictest1665413-21kworker/u16:0+events_unbound08:31:025
1535636991513,2cyclictest1577828-21kworker/u16:3+flush-8:010:50:095
1535636991513,2cyclictest1577828-21kworker/u16:3+flush-8:010:40:095
1535634991513,2cyclictest1606605-21kworker/u16:1+flush-8:008:06:024
153564199147,6cyclictest14114-21gmain10:31:277
153564199142,5cyclictest0-21swapper/708:41:357
1535641991413,0cyclictest0-21swapper/709:50:287
1535641991411,2cyclictest1256-21snmpd10:37:207
1535641991411,2cyclictest1256-21snmpd10:27:447
153564199140,6cyclictest0-21swapper/708:45:147
153564199140,5cyclictest0-21swapper/708:08:437
153564199140,1cyclictest0-21swapper/707:15:257
1535639991413,1cyclictest2250929-21kworker/u16:0+events_unbound12:39:046
1535639991413,1cyclictest0-21swapper/610:55:176
153563999140,1cyclictest0-21swapper/610:35:246
1535636991412,2cyclictest2104062-21kworker/u16:2+flush-8:012:25:355
1535636991412,2cyclictest1999284-21kworker/u16:1+events_unbound11:05:275
1535636991412,2cyclictest1796671-21kworker/u16:4+flush-8:010:35:125
1535636991412,2cyclictest1796671-21kworker/u16:4+events_unbound10:31:315
1535636991412,2cyclictest1796671-21kworker/u16:4+events_unbound10:10:365
1535636991412,2cyclictest1796671-21kworker/u16:4+events_unbound10:02:295
1535636991412,2cyclictest1772197-21kworker/u16:2+events_unbound09:10:115
1535636991412,2cyclictest1577828-21kworker/u16:3+events_unbound11:00:225
153563699140,1cyclictest0-21swapper/507:11:105
153563699140,14cyclictest0-21swapper/511:30:305
153563699140,14cyclictest0-21swapper/510:45:065
153563699140,14cyclictest0-21swapper/510:15:285
153563699140,14cyclictest0-21swapper/508:11:135
1535634991413,1cyclictest0-21swapper/411:48:414
1535634991413,1cyclictest0-21swapper/411:34:394
1535634991413,1cyclictest0-21swapper/409:56:264
1535634991413,1cyclictest0-21swapper/409:41:564
153563499140,1cyclictest0-21swapper/410:38:324
153563499140,1cyclictest0-21swapper/407:30:254
153563499140,14cyclictest0-21swapper/411:24:534
153563499140,14cyclictest0-21swapper/411:24:534
153563499140,14cyclictest0-21swapper/409:04:184
224917621310,2sleep42177965-21kworker/u16:1+flush-8:012:20:304
153564199139,3cyclictest2190091-21sh11:59:437
153564199138,4cyclictest645-21systemd-journal08:32:037
153564199136,6cyclictest14114-21gmain09:15:397
153564199136,6cyclictest14114-21gmain09:15:397
153564199136,6cyclictest0-21swapper/708:00:377
153564199134,8cyclictest0-21swapper/708:38:417
1535641991310,2cyclictest2137760-21ssh11:35:237
153564199130,5cyclictest0-21swapper/707:40:457
153564199130,12cyclictest0-21swapper/707:21:427
153563999135,7cyclictest0-21swapper/607:10:026
1535639991312,1cyclictest0-21swapper/611:19:436
1535639991312,1cyclictest0-21swapper/611:02:236
1535639991312,1cyclictest0-21swapper/608:08:486
1535636991312,1cyclictest0-21swapper/512:13:335
1535636991312,1cyclictest0-21swapper/511:10:105
1535636991312,1cyclictest0-21swapper/508:03:405
1535636991311,2cyclictest2067591-21kworker/u16:0+events_unbound11:26:125
1535636991311,2cyclictest1796671-21kworker/u16:4+flush-8:009:42:085
1535636991311,2cyclictest1796671-21kworker/u16:4+events_unbound10:22:125
1535636991311,2cyclictest1772197-21kworker/u16:2+events_unbound09:35:225
1535636991311,2cyclictest1541285-21kworker/u16:2+flush-8:007:39:545
1535636991311,2cyclictest1541285-21kworker/u16:2+events_unbound07:55:145
153563699130,1cyclictest0-21swapper/508:38:125
153563699130,13cyclictest0-21swapper/511:21:505
153563699130,13cyclictest0-21swapper/511:21:505
153563699130,13cyclictest0-21swapper/508:21:295
153563499139,3cyclictest1771866-21cat09:09:594
1535634991312,1cyclictest0-21swapper/412:26:314
1535634991312,1cyclictest0-21swapper/412:18:574
1535634991312,1cyclictest0-21swapper/411:57:214
1535634991312,1cyclictest0-21swapper/411:36:524
1535634991312,1cyclictest0-21swapper/411:09:544
1535634991312,1cyclictest0-21swapper/410:53:124
1535634991312,1cyclictest0-21swapper/410:29:234
1535634991312,1cyclictest0-21swapper/409:10:054
153563499130,13cyclictest0-21swapper/412:05:224
153563499130,13cyclictest0-21swapper/412:04:564
153563499130,13cyclictest0-21swapper/409:16:144
153563499130,13cyclictest0-21swapper/409:16:144
153564199129,2cyclictest1845735-21ssh09:39:597
153564199128,3cyclictest1256-21snmpd11:45:047
153564199128,3cyclictest1256-21snmpd11:18:097
153564199126,6cyclictest14605-21gmain11:01:117
1535641991211,0cyclictest0-21swapper/710:51:357
1535641991211,0cyclictest0-21swapper/710:00:517
153563999129,2cyclictest1672918-21kthreadcore08:15:186
153563999129,2cyclictest1256-21snmpd07:40:186
1535639991211,1cyclictest0-21swapper/610:32:076
1535639991211,1cyclictest0-21swapper/609:24:476
1535639991211,1cyclictest0-21swapper/607:37:546
1535639991210,2cyclictest86-21ksoftirqd/612:30:106
1535639991210,2cyclictest1577828-21kworker/u16:3+flush-8:009:15:146
1535639991210,2cyclictest1577828-21kworker/u16:3+flush-8:009:15:146
1535639991210,1cyclictest0-21swapper/612:25:156
153563999120,1cyclictest0-21swapper/611:48:066
153563999120,1cyclictest0-21swapper/608:43:586
153563999120,12cyclictest0-21swapper/611:51:156
1535636991211,1cyclictest0-21swapper/511:42:205
1535636991210,2cyclictest2202520-21kworker/u16:3+events_unbound12:31:195
1535636991210,2cyclictest2067591-21kworker/u16:0+events_unbound11:17:305
1535636991210,2cyclictest1772197-21kworker/u16:2+flush-8:009:20:485
1535636991210,2cyclictest1772197-21kworker/u16:2+events_unbound09:52:205
1535636991210,2cyclictest1577828-21kworker/u16:3+flush-8:009:16:225
1535636991210,2cyclictest1577828-21kworker/u16:3+flush-8:009:16:225
1535636991210,2cyclictest1577828-21kworker/u16:3+flush-8:008:45:235
1535636991210,2cyclictest1541285-21kworker/u16:2+flush-8:007:40:155
153563699120,12cyclictest0-21swapper/511:45:175
153563699120,12cyclictest0-21swapper/508:18:295
1535634991211,1cyclictest0-21swapper/411:16:134
1535634991211,1cyclictest0-21swapper/410:10:574
1535634991211,1cyclictest0-21swapper/410:01:384
1535634991211,1cyclictest0-21swapper/409:26:294
1535634991211,1cyclictest0-21swapper/408:34:094
1535641991111,0cyclictest0-21swapper/710:21:357
153564199110,2cyclictest2248447-21ssh12:20:197
153564199110,10cyclictest1256-21snmpd10:48:357
153563999119,2cyclictest2177965-21kworker/u16:1+events_unbound11:55:136
153563999119,1cyclictest0-21swapper/612:10:156
153563999119,1cyclictest0-21swapper/610:49:586
153563999119,1cyclictest0-21swapper/609:50:186
153563999119,1cyclictest0-21swapper/608:30:156
153563999117,3cyclictest1896179-21cat10:00:126
153563999117,3cyclictest1616621-21awk07:49:596
153563999116,4cyclictest1920278-21cpuspeed_turbos10:10:156
153563999116,4cyclictest1907913-21expr10:05:106
153563999114,6cyclictest0-21swapper/608:25:196
1535639991110,1cyclictest0-21swapper/611:42:546
1535639991110,1cyclictest0-21swapper/611:33:266
1535639991110,1cyclictest0-21swapper/610:22:116
153563999110,5cyclictest0-21swapper/608:21:256
153563999110,4cyclictest1839708-21cut09:35:206
153563999110,4cyclictest1641440-21kthreadcore08:00:186
153563999110,4cyclictest1621328-21cut07:50:166
153563999110,3cyclictest1723829-21cpuspeed_turbos08:45:116
153563999110,1cyclictest0-21swapper/607:22:376
153563999110,11cyclictest0-21swapper/611:27:086
153563999110,11cyclictest0-21swapper/608:37:586
153563999110,10cyclictest2056243-21irqcore11:05:146
153563999110,10cyclictest1768155-21cut09:05:196
153563999110,10cyclictest1748231-21grep08:55:166
153563699119,2cyclictest1772197-21kworker/u16:2+flush-8:009:30:195
153563699119,2cyclictest1606605-21kworker/u16:1+events_unbound07:45:325
153563699119,2cyclictest1577828-21kworker/u16:3+flush-8:009:25:575
153563699119,2cyclictest1577828-21kworker/u16:3+events_unbound09:00:135
153563699119,2cyclictest1501566-21kworker/u16:1+events_unbound07:27:335
1535636991110,1cyclictest0-21swapper/508:42:175
1535636991110,1cyclictest0-21swapper/508:06:405
153563499119,1cyclictest0-21swapper/412:35:184
153563499119,1cyclictest0-21swapper/408:45:184
153563499113,8cyclictest0-21swapper/408:54:084
1535634991110,1cyclictest0-21swapper/411:13:034
1535634991110,1cyclictest0-21swapper/410:33:294
1535634991110,1cyclictest0-21swapper/409:22:234
1535634991110,1cyclictest0-21swapper/408:44:054
1535634991110,1cyclictest0-21swapper/408:27:224
1535634991110,1cyclictest0-21swapper/408:18:324
1535634991110,1cyclictest0-21swapper/407:12:484
153563499110,11cyclictest0-21swapper/408:14:364
153564199109,0cyclictest0-21swapper/708:20:157
153564199109,0cyclictest0-21swapper/707:45:147
153564199107,2cyclictest2072256-21ssh11:10:167
153564199107,2cyclictest1597281-21perf07:39:597
153564199107,2cyclictest1256-21snmpd12:39:207
153564199107,2cyclictest1256-21snmpd11:21:217
153564199107,2cyclictest1256-21snmpd11:21:217
153564199105,4cyclictest645-21systemd-journal11:29:587
153564199100,9cyclictest1943938-21sh10:19:407
153564199100,9cyclictest1256-21snmpd10:43:177
153564199100,5cyclictest0-21swapper/708:12:587
153563999109,1cyclictest0-21swapper/612:24:506
153563999109,1cyclictest0-21swapper/612:01:496
153563999109,1cyclictest0-21swapper/608:14:386
153563999108,1cyclictest0-21swapper/611:35:166
153563999106,3cyclictest1627424-21cat07:55:156
153563999102,7cyclictest0-21swapper/612:05:186
153563999101,3cyclictest1574506-21grep07:25:186
153563999101,2cyclictest0-21swapper/609:10:106
153563999100,9cyclictest2229856-21kthreadcore12:15:146
153563999100,9cyclictest1958112-21irqstats10:25:146
153563999100,9cyclictest0-21swapper/609:30:246
153563999100,4cyclictest2068236-21fschecks_count11:10:116
153563999100,10cyclictest0-21swapper/609:46:136
153563699108,2cyclictest1577828-21kworker/u16:3+flush-8:008:59:485
153563699108,2cyclictest1577828-21kworker/u16:3+flush-8:008:50:215
153563499109,1cyclictest0-21swapper/411:43:204
153563499109,1cyclictest0-21swapper/411:28:124
153563499109,1cyclictest0-21swapper/410:43:444
153563499109,1cyclictest0-21swapper/410:20:154
153563499109,1cyclictest0-21swapper/407:38:394
153563499108,2cyclictest1606605-21kworker/u16:1+events_unbound07:50:134
153563499108,1cyclictest0-21swapper/412:30:154
153563499108,1cyclictest0-21swapper/411:50:174
153563499108,1cyclictest0-21swapper/410:45:144
153563499108,1cyclictest0-21swapper/410:05:154
153563499108,1cyclictest0-21swapper/409:50:194
153563499108,1cyclictest0-21swapper/409:30:214
153563499108,1cyclictest0-21swapper/408:55:174
153563499108,1cyclictest0-21swapper/408:20:204
153563499108,1cyclictest0-21swapper/407:59:594
153563499108,1cyclictest0-21swapper/407:40:184
153563499108,1cyclictest0-21swapper/407:25:174
153563499107,2cyclictest1256-21snmpd07:19:424
15356419996,2cyclictest1875-21containerd07:50:097
15356419996,2cyclictest0-21swapper/709:29:597
15356419993,5cyclictest1627881-21kthreadcore07:55:187
15356419993,4cyclictest901-21dbus-daemon11:05:117
15356399997,2cyclictest86-21ksoftirqd/609:40:086
15356399996,2cyclictest0-21swapper/607:30:176
15356399993,6cyclictest0-21swapper/611:23:566
15356399993,6cyclictest0-21swapper/611:23:566
15356399990,8cyclictest2019285-21iptables10:50:156
15356399990,8cyclictest1996457-21kthreadcore10:40:176
15356399990,8cyclictest1940713-21sed10:15:226
15356399990,8cyclictest1739512-21kthreadcore08:50:186
15356369996,2cyclictest1256-21snmpd07:15:115
15356349998,1cyclictest0-21swapper/409:45:054
15356349997,1cyclictest0-21swapper/412:10:154
15356349997,1cyclictest0-21swapper/409:35:184
15356349997,1cyclictest0-21swapper/408:00:164
15356349997,1cyclictest0-21swapper/407:20:204
15356349996,2cyclictest1256-21snmpd07:45:064
15356419984,3cyclictest1057-21runrttasks08:53:417
15356419983,4cyclictest1753837-21sed09:00:147
15356369987,1cyclictest0-21swapper/507:20:125
15356369986,2cyclictest1541285-21kworker/u16:2+flush-8:007:30:565
15356349987,1cyclictest0-21swapper/408:39:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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