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2026-04-19 - 08:56
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Sun Apr 19, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228752720,0sleep4471rcuc/422:03:204
319962710,1sleep031978-21sshd22:24:140
282862710,0sleep20-21swapper/222:07:182
282862710,0sleep20-21swapper/222:07:182
241652690,0sleep30-21swapper/322:21:533
311592610,0sleep70-21swapper/721:47:057
59252530,0sleep40-21swapper/422:31:554
54272500,0sleep70-21swapper/722:19:017
308492490,1sleep630850-21sshd21:34:076
2475024926,8sleep10-21swapper/119:02:521
2471324927,18sleep40-21swapper/419:02:234
220282490,2sleep42517599cyclictest22:14:254
220282490,2sleep42517599cyclictest22:14:254
48372460,0sleep40-21swapper/423:55:574
29682460,1sleep71-21systemd23:12:517
247592460,0sleep40-21swapper/422:36:444
6412450,0sleep20-21swapper/222:59:402
321162450,0sleep10-21swapper/123:16:211
249212450,0sleep00-21swapper/022:09:010
249212450,0sleep00-21swapper/022:09:010
217122450,0sleep60-21swapper/622:25:336
117152440,1sleep125-21ksoftirqd/121:31:051
5072430,0sleep10-21swapper/100:05:071
297772430,0sleep60-21swapper/600:04:566
159892430,0sleep60-21swapper/623:30:286
128132430,0sleep20-21swapper/221:42:202
285682420,0sleep40-21swapper/421:07:464
2471524229,9sleep60-21swapper/619:02:256
245432420,0sleep10-21swapper/122:51:381
245432420,0sleep10-21swapper/122:51:381
166472420,0sleep30-21swapper/323:41:383
303692410,0sleep30-21swapper/300:06:453
2463524130,8sleep20-21swapper/219:01:172
182212410,0sleep50-21swapper/520:45:535
107222410,0sleep10-21swapper/100:07:311
2481324027,9sleep70-21swapper/719:03:387
2463824027,9sleep50-21swapper/519:01:205
246172400,0sleep60-21swapper/620:00:546
246172400,0sleep60-21swapper/620:00:546
118072390,0sleep70-21swapper/700:00:087
43212380,0sleep00-21swapper/023:52:080
276492380,0sleep50-21swapper/522:03:375
254932380,0sleep60-21swapper/619:05:536
2463323826,8sleep00-21swapper/019:01:150
2248523826,8sleep30-21swapper/319:00:463
59242370,0sleep40-21swapper/421:43:504
148152360,0sleep40-21swapper/421:10:584
148152360,0sleep40-21swapper/421:10:584
2520199249,1cyclictest73-21ksoftirqd/723:05:547
2520199238,3cyclictest73-21ksoftirqd/722:31:007
2520199236,3cyclictest73-21ksoftirqd/723:02:467
25201992316,4cyclictest73-21ksoftirqd/723:30:417
25201992310,2cyclictest73-21ksoftirqd/721:25:277
2515299236,3cyclictest25-21ksoftirqd/121:40:531
25152992312,2cyclictest25-21ksoftirqd/121:11:391
25152992312,2cyclictest25-21ksoftirqd/121:11:391
40262220,0sleep54025-21sshd00:33:225
2520199227,3cyclictest73-21ksoftirqd/721:31:167
25201992218,1cyclictest73-21ksoftirqd/722:48:387
25201992210,1cyclictest73-21ksoftirqd/721:40:347
2515299228,2cyclictest25-21ksoftirqd/100:17:151
2520199217,3cyclictest73-21ksoftirqd/721:55:127
25201992116,3cyclictest73-21ksoftirqd/700:12:557
25201992115,3cyclictest73-21ksoftirqd/721:14:307
25201992115,3cyclictest73-21ksoftirqd/721:14:307
25201992114,4cyclictest73-21ksoftirqd/723:25:097
2515299215,4cyclictest25-21ksoftirqd/122:38:581
2515299215,2cyclictest25-21ksoftirqd/100:00:321
25152992117,1cyclictest25-21ksoftirqd/100:28:591
25152992113,5cyclictest25-21ksoftirqd/121:22:201
25152992113,4cyclictest25-21ksoftirqd/100:13:001
2520199208,3cyclictest73-21ksoftirqd/721:10:117
2520199208,2cyclictest73-21ksoftirqd/700:06:437
2520199207,3cyclictest73-21ksoftirqd/722:03:207
2520199207,3cyclictest73-21ksoftirqd/721:29:387
2520199207,1cyclictest73-21ksoftirqd/723:48:067
2520199206,2cyclictest73-21ksoftirqd/700:32:287
2520199206,1cyclictest73-21ksoftirqd/722:55:107
2520199206,1cyclictest73-21ksoftirqd/722:55:107
2520199206,1cyclictest73-21ksoftirqd/721:43:567
2520199205,2cyclictest73-21ksoftirqd/722:40:467
25201992015,1cyclictest73-21ksoftirqd/722:05:537
25201992015,1cyclictest73-21ksoftirqd/722:05:537
25183992012,7cyclictest11125-21systemd22:37:505
25167992014,3cyclictest41-21ksoftirqd/321:24:223
25152992016,3cyclictest25-21ksoftirqd/121:16:591
25152992016,1cyclictest25-21ksoftirqd/123:03:471
25152992015,3cyclictest25-21ksoftirqd/100:21:221
2520199192,2cyclictest73-21ksoftirqd/722:24:217
25201991917,1cyclictest73-21ksoftirqd/723:50:597
25201991913,4cyclictest73-21ksoftirqd/723:32:467
25183991913,5cyclictest29017-21systemd22:33:185
25167991916,2cyclictest41-21ksoftirqd/300:31:193
2515299199,2cyclictest25-21ksoftirqd/121:50:551
2515299199,1cyclictest121rcu_preempt22:26:241
2515299195,1cyclictest25-21ksoftirqd/122:59:211
2515299194,3cyclictest25-21ksoftirqd/123:30:431
2515299194,3cyclictest25-21ksoftirqd/123:28:211
2515299194,3cyclictest25-21ksoftirqd/121:36:041
2515299193,3cyclictest25-21ksoftirqd/122:16:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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