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2026-04-08 - 01:54
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Wed Apr 08, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104812218150,22sleep00-21swapper/019:07:080
103532208156,25sleep30-21swapper/319:05:303
106272200161,25sleep20-21swapper/219:09:032
104302200161,26sleep10-21swapper/119:06:281
100452550,0sleep00-21swapper/023:22:340
26822230,0sleep20-21swapper/220:00:002
1081599131,9cyclictest240-21systemd-journal22:33:193
10786991312,1cyclictest9-21ksoftirqd/020:00:120
10807991212,0cyclictest0-21swapper/221:47:232
10807991210,1cyclictest28-21ksoftirqd/219:49:592
10786991210,1cyclictest9-21ksoftirqd/020:35:000
1080799119,1cyclictest28-21ksoftirqd/220:05:002
1081599107,1cyclictest35-21ksoftirqd/323:55:003
1080799101,8cyclictest5588-21/usr/sbin/munin00:00:192
1078699107,1cyclictest240-21systemd-journal21:15:000
1078699100,9cyclictest561-21nscd22:13:530
1078699100,7cyclictest3417-21diskmemload23:36:290
1078699100,5cyclictest9223-21apt-get22:40:110
108159998,1cyclictest35-21ksoftirqd/322:25:003
108159990,5cyclictest28359-21kworker/u8:000:35:133
108079997,1cyclictest24207-21perf23:00:002
108079994,2cyclictest240-21systemd-journal22:40:002
108079990,8cyclictest18877-21/usr/sbin/munin23:35:212
107869991,5cyclictest548-21systemd-logind00:05:200
107869991,4cyclictest13172-21latency_hist19:15:000
107869990,8cyclictest3417-21diskmemload22:55:110
108159986,1cyclictest35-21ksoftirqd/323:55:143
108159986,1cyclictest29640-21cat00:30:163
108159983,2cyclictest13072-21cat21:20:203
108159982,5cyclictest3417-21diskmemload21:12:493
108159982,5cyclictest28359-21kworker/u8:023:45:083
108159982,2cyclictest3417-21diskmemload00:20:293
108159982,1cyclictest3417-21diskmemload23:37:073
108159981,4cyclictest3417-21diskmemload23:07:543
108159981,4cyclictest3417-21diskmemload22:09:073
108159981,4cyclictest0-21swapper/300:10:103
108159980,5cyclictest0-21swapper/322:15:103
108159980,2cyclictest0-21swapper/323:20:113
108079986,1cyclictest28-21ksoftirqd/219:45:002
108079985,1cyclictest240-21systemd-journal19:51:002
108079980,2cyclictest15648-21sh22:47:312
108009980,6cyclictest11262-21chrt23:25:131
107869987,1cyclictest19660-21ssh21:30:090
107869987,1cyclictest13500-21ssh21:20:480
107869986,1cyclictest9-21ksoftirqd/019:35:000
107869986,1cyclictest31938-21ssh21:45:130
107869980,7cyclictest28001-21expr21:40:130
107869980,7cyclictest19455-21ssh00:17:030
107869980,7cyclictest0-21swapper/000:00:140
107869980,5cyclictest1-21systemd00:32:000
799270,1sleep10-21swapper/122:29:191
19243270,0sleep10-21swapper/122:51:551
108159976,1cyclictest17933-21cat00:15:143
108159975,1cyclictest28508-21cat21:40:153
108159975,1cyclictest10153-21munin-run22:00:003
108159974,1cyclictest3417-21diskmemload22:59:333
108159973,4cyclictest8222-1kworker/3:2H21:00:553
108159973,4cyclictest12461-21kworker/u8:121:16:363
108159973,2cyclictest3417-21diskmemload23:03:273
108159973,2cyclictest240-21systemd-journal22:00:183
108159973,1cyclictest3204-21ssh23:14:513
108159971,3cyclictest3417-21diskmemload23:29:273
108159971,3cyclictest3417-21diskmemload23:17:483
108159971,3cyclictest0-21swapper/322:10:113
108159971,2cyclictest3417-21diskmemload21:27:183
108159970,6cyclictest3417-21diskmemload21:38:573
108079976,1cyclictest61650irq/122-eno123:15:172
108079976,1cyclictest61650irq/122-eno123:05:152
108079976,1cyclictest61650irq/122-eno121:54:422
108079975,1cyclictest61650irq/122-eno121:55:132
108079974,2cyclictest10781-21cyclictest22:06:262
108079974,1cyclictest548-21systemd-logind22:30:192
108079971,6cyclictest13153-21munin-node20:26:212
108079971,2cyclictest0-21swapper/219:35:112
108079970,6cyclictest0-21swapper/223:24:182
108079970,6cyclictest0-21swapper/221:15:542
108009970,6cyclictest0-21swapper/120:05:151
108009970,4cyclictest0-21swapper/122:35:111
107869976,1cyclictest28488-1kworker/u9:123:55:070
107869975,1cyclictest9-21ksoftirqd/020:36:420
107869975,1cyclictest27444-21cat23:45:150
107869975,1cyclictest10797-21cat20:15:160
107869972,1cyclictest16852-21/usr/sbin/munin22:50:150
107869972,1cyclictest0-21swapper/023:25:190
107869971,5cyclictest24920-21ssh00:25:120
107869970,6cyclictest3417-21diskmemload22:00:110
107869970,6cyclictest27275-21ssh21:39:570
107869970,6cyclictest23546-21pmu-power22:15:160
107869970,6cyclictest16743-21ssh22:07:140
107869970,6cyclictest1558-21strings19:55:170
107869970,6cyclictest13189-21aten2.4-expect22:45:120
107869970,6cyclictest1074-21apt-get22:30:010
107869970,6cyclictest0-21swapper/023:16:430
107869970,6cyclictest0-21swapper/023:10:140
107869970,6cyclictest0-21swapper/021:25:130
107869970,6cyclictest0-21swapper/000:35:160
107869970,2cyclictest0-21swapper/021:55:100
107869970,1cyclictest3417-21diskmemload23:31:430
107869970,1cyclictest3417-21diskmemload22:22:140
107869970,1cyclictest30381-21ssh23:06:040
107869970,1cyclictest30037-21ssh22:25:130
107869970,1cyclictest0-21swapper/023:41:280
107869970,1cyclictest0-21swapper/021:54:240
107869970,1cyclictest0-21swapper/021:18:120
108159965,1cyclictest846-21ssh21:45:313
108159965,1cyclictest6974-21timerandwakeup22:35:203
108159965,1cyclictest19478-21ssh22:52:373
108159964,1cyclictest35-21ksoftirqd/319:34:593
108159963,1cyclictest3417-21diskmemload23:31:083
108159963,1cyclictest240-21systemd-journal19:58:153
108159962,3cyclictest3417-21diskmemload21:50:303
108159962,2cyclictest0-21swapper/300:00:203
108159960,6cyclictest3417-21diskmemload00:05:393
108159960,6cyclictest11679-21ssh22:42:063
108159960,5cyclictest13153-21munin-node19:18:183
108159960,4cyclictest0-21swapper/322:46:413
108159960,4cyclictest0-21swapper/321:30:203
108159960,3cyclictest0-21swapper/323:40:303
108159960,3cyclictest0-21swapper/322:28:073
108159960,1cyclictest240-21systemd-journal20:49:553
108159960,1cyclictest0-21swapper/320:00:123
108159960,1cyclictest0-21swapper/300:25:133
108079966,0cyclictest61650irq/122-eno123:51:562
108079966,0cyclictest61650irq/122-eno123:45:052
108079966,0cyclictest61650irq/122-eno123:41:202
108079966,0cyclictest61650irq/122-eno123:30:492
108079966,0cyclictest61650irq/122-eno123:10:192
108079966,0cyclictest61650irq/122-eno123:00:152
108079966,0cyclictest61650irq/122-eno122:50:182
108079966,0cyclictest61650irq/122-eno122:40:132
108079966,0cyclictest61650irq/122-eno122:25:032
108079966,0cyclictest61650irq/122-eno122:20:172
108079966,0cyclictest61650irq/122-eno122:10:322
108079966,0cyclictest61650irq/122-eno121:40:122
108079966,0cyclictest61650irq/122-eno121:35:112
108079966,0cyclictest61650irq/122-eno121:30:022
108079966,0cyclictest61650irq/122-eno121:23:112
108079966,0cyclictest61650irq/122-eno121:11:452
108079966,0cyclictest61650irq/122-eno121:05:162
108079966,0cyclictest61650irq/122-eno120:59:042
108079966,0cyclictest61650irq/122-eno120:51:562
108079966,0cyclictest61650irq/122-eno120:45:012
108079966,0cyclictest61650irq/122-eno120:05:102
108079966,0cyclictest61650irq/122-eno119:34:302
108079966,0cyclictest61650irq/122-eno119:12:502
108079966,0cyclictest61650irq/122-eno100:35:022
108079966,0cyclictest61650irq/122-eno100:30:112
108079966,0cyclictest61650irq/122-eno100:21:302
108079966,0cyclictest61650irq/122-eno100:15:142
108079966,0cyclictest61650irq/122-eno100:10:582
108079965,1cyclictest61650irq/122-eno122:00:122
108079965,1cyclictest61650irq/122-eno119:15:112
108079965,1cyclictest61650irq/122-eno100:05:142
108079965,0cyclictest61650irq/122-eno120:15:122
108079964,1cyclictest61650irq/122-eno123:25:132
108079964,1cyclictest61650irq/122-eno100:25:152
108079964,1cyclictest22396-21ssh22:15:112
108079963,1cyclictest240-21systemd-journal20:35:462
108079962,4cyclictest0-21swapper/221:27:112
108079962,2cyclictest1741-21apt-get23:55:122
108079960,1cyclictest0-21swapper/220:40:112
108079960,1cyclictest0-21swapper/220:20:112
108009965,1cyclictest0-21swapper/122:55:201
108009963,2cyclictest0-21swapper/120:35:421
108009963,0cyclictest0-21swapper/123:35:201
108009961,3cyclictest0-21swapper/122:05:151
108009961,3cyclictest0-21swapper/121:50:331
108009961,3cyclictest0-21swapper/121:29:121
108009960,6cyclictest0-21swapper/120:25:171
108009960,5cyclictest0-21swapper/119:40:161
108009960,3cyclictest0-21swapper/123:32:371
108009960,2cyclictest0-21swapper/122:45:111
108009960,2cyclictest0-21swapper/120:00:121
108009960,1cyclictest0-21swapper/123:45:211
108009960,1cyclictest0-21swapper/120:30:111
108009960,0cyclictest0-21swapper/123:06:101
108009960,0cyclictest0-21swapper/100:19:531
107869965,1cyclictest30334-21ssh23:50:080
107869965,1cyclictest21622-21ssh00:20:120
107869964,1cyclictest13314-21aten_r1power_fr00:10:110
107869961,2cyclictest0-21swapper/020:55:210
107869960,6cyclictest0-21swapper/020:27:000
107869960,6cyclictest0-21swapper/019:40:400
107869960,6cyclictest0-21swapper/019:17:270
107869960,2cyclictest0-21swapper/022:36:220
107869960,1cyclictest240-21systemd-journal20:54:470
107869960,1cyclictest19424-21fschecks_time19:25:150
107869960,0cyclictest0-21swapper/023:00:160
107869960,0cyclictest0-21swapper/021:00:110
107869960,0cyclictest0-21swapper/020:43:360
107869960,0cyclictest0-21swapper/020:23:450
107869960,0cyclictest0-21swapper/020:07:550
107869960,0cyclictest0-21swapper/019:22:420
108159955,0cyclictest0-21swapper/320:58:323
108159955,0cyclictest0-21swapper/320:33:473
108159955,0cyclictest0-21swapper/319:46:303
108159955,0cyclictest0-21swapper/319:27:413
108159954,1cyclictest35-21ksoftirqd/320:22:473
108159954,1cyclictest31207-21tune2fs19:50:133
108159953,1cyclictest35-21ksoftirqd/319:40:113
108159953,1cyclictest28552-21latency_hist20:55:003
108159953,1cyclictest24266-21expr19:35:143
108159953,1cyclictest1535-21tr21:05:133
108159953,1cyclictest12055-21cron20:20:003
108159952,1cyclictest19928-21fschecks_count20:35:143
108159951,2cyclictest7558-21apt-get20:10:113
108159951,1cyclictest16730-21cat19:20:133
108079955,0cyclictest61650irq/122-eno120:31:462
108079955,0cyclictest61650irq/122-eno119:25:122
108079952,2cyclictest31394-21aten_r1power_cu21:00:112
108079950,4cyclictest0-21swapper/220:10:132
108079950,1cyclictest0-21swapper/219:20:202
108009955,0cyclictest0-21swapper/123:57:191
108009955,0cyclictest0-21swapper/123:51:241
108009952,0cyclictest0-21swapper/121:45:191
108009950,5cyclictest0-21swapper/100:00:171
108009950,4cyclictest0-21swapper/121:14:151
108009950,3cyclictest0-21swapper/122:33:511
108009950,3cyclictest0-21swapper/122:19:371
108009950,3cyclictest0-21swapper/122:00:181
108009950,3cyclictest0-21swapper/121:35:181
108009950,3cyclictest0-21swapper/121:17:051
108009950,3cyclictest0-21swapper/119:11:251
108009950,2cyclictest0-21swapper/123:43:561
108009950,2cyclictest0-21swapper/123:13:531
108009950,2cyclictest0-21swapper/122:10:181
108009950,2cyclictest0-21swapper/121:30:141
108009950,2cyclictest0-21swapper/100:23:101
108009950,1cyclictest0-21swapper/123:20:131
108009950,1cyclictest0-21swapper/122:00:001
108009950,1cyclictest0-21swapper/119:52:561
108009950,1cyclictest0-21swapper/100:14:081
107869953,1cyclictest7648-21aten2.4-expect20:10:120
107869950,4cyclictest0-21swapper/019:45:100
107869950,0cyclictest0-21swapper/021:09:290
107869950,0cyclictest0-21swapper/019:52:420
107869950,0cyclictest0-21swapper/019:35:100
108159942,1cyclictest11898-21kernelversion19:10:153
108159941,2cyclictest14657-21apt-get20:25:123
108159940,1cyclictest240-21systemd-journal20:40:013
108159940,1cyclictest240-21systemd-journal20:07:153
108009942,2cyclictest0-21swapper/100:05:121
108009942,1cyclictest0-21swapper/121:21:511
108009941,2cyclictest0-21swapper/120:40:111
108009941,2cyclictest0-21swapper/119:15:111
108009941,1cyclictest0-21swapper/119:20:161
108009941,1cyclictest0-21swapper/100:30:141
108009940,4cyclictest0-21swapper/119:55:171
108009940,4cyclictest0-21swapper/119:30:161
108009940,3cyclictest0-21swapper/123:15:231
108009940,3cyclictest0-21swapper/123:00:111
108009940,2cyclictest0-21swapper/122:43:371
108009940,2cyclictest0-21swapper/121:41:331
108009940,2cyclictest0-21swapper/120:10:111
108009940,2cyclictest0-21swapper/119:25:121
108009940,2cyclictest0-21swapper/100:35:231
108009940,1cyclictest0-21swapper/122:20:201
108009940,1cyclictest0-21swapper/120:45:171
108009940,1cyclictest0-21swapper/120:15:161
108009940,1cyclictest0-21swapper/119:36:591
108009940,1cyclictest0-21swapper/100:25:121
107869940,1cyclictest0-21swapper/020:45:110
108009931,1cyclictest0-21swapper/119:45:111
108009930,1cyclictest0-21swapper/121:05:161
108009930,1cyclictest0-21swapper/121:00:011
108009930,1cyclictest0-21swapper/120:55:131
108009930,1cyclictest0-21swapper/120:50:111
108009930,1cyclictest0-21swapper/120:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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