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2026-06-25 - 15:47
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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 Thu Jun 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2616821000,0sleep20-21swapper/212:30:042
203712820,1sleep020365-21sshd10:10:580
72112710,0sleep40-21swapper/411:39:444
38972680,1sleep7758-21runrttasks11:16:577
144562560,12sleep685150irq/25-em1-rx-009:34:126
49112550,0sleep5551rcuc/511:09:185
70172530,0sleep70-21swapper/712:28:497
1453125126,8sleep40-21swapper/407:06:294
37462500,0sleep70-21swapper/709:58:317
29022500,1sleep02876-21sshd12:20:570
260052490,0sleep60-21swapper/611:57:486
1460024926,8sleep60-21swapper/607:07:276
1458524925,9sleep00-21swapper/007:07:130
109982490,0sleep3401ktimersoftd/312:13:473
284072480,0sleep50-21swapper/511:42:505
221882480,0sleep30-21swapper/310:12:533
151152480,0sleep70-21swapper/709:24:367
243382470,0sleep00-21swapper/010:51:190
59402460,0sleep70-21swapper/712:15:277
247312460,0sleep30-21swapper/309:52:033
198972460,0sleep119893-21systemd-cgroups10:05:141
184142460,0sleep50-21swapper/509:51:415
318432450,0sleep00-21swapper/008:32:470
148082450,0sleep70-21swapper/710:39:087
146622450,0sleep714639-21sshd10:52:387
1432424532,9sleep70-21swapper/707:03:357
94062440,0sleep50-21swapper/509:30:025
272342440,1sleep427231-21systemd09:27:134
99632430,0sleep10-21swapper/111:56:551
269192430,0sleep3391rcuc/312:35:503
213662430,0sleep60-21swapper/609:07:456
141622430,0sleep20-21swapper/210:46:562
50772420,1sleep05076-21sshd12:02:150
155522420,0sleep50-21swapper/512:27:275
1447424220,8sleep50-21swapper/507:05:425
130212420,0sleep50-21swapper/511:47:385
1439524130,8sleep20-21swapper/207:04:342
263432400,1sleep126339-21sshd12:35:481
190602400,0sleep00-21swapper/012:14:160
317552390,2sleep41474899cyclictest09:18:084
314822390,0sleep60-21swapper/610:42:126
259542390,0sleep50-21swapper/509:25:145
154392390,0sleep00-21swapper/010:22:110
1436923927,8sleep30-21swapper/307:04:113
79722380,0sleep5551rcuc/511:28:245
251652380,0sleep30-21swapper/310:34:003
1430923826,9sleep10-21swapper/107:03:211
39492350,2sleep51475199cyclictest11:37:455
255712340,0sleep60-21swapper/609:44:216
255712340,0sleep60-21swapper/609:44:216
245132330,2sleep01474499cyclictest09:25:090
14746992510,1cyclictest33-21ksoftirqd/211:48:382
1475899248,2cyclictest65-21ksoftirqd/610:52:206
1475899230,2cyclictest12101-21systemd-cgroups11:51:186
1474699225,16cyclictest33-21ksoftirqd/211:32:352
14746992218,3cyclictest33-21ksoftirqd/212:16:022
58442210,0sleep65843-21sshd10:59:506
1475899217,3cyclictest65-21ksoftirqd/612:22:556
1475899208,2cyclictest65-21ksoftirqd/610:08:086
1475899206,3cyclictest65-21ksoftirqd/610:15:266
1475899206,1cyclictest65-21ksoftirqd/610:21:466
1475899205,3cyclictest65-21ksoftirqd/610:43:106
14758992016,1cyclictest65-21ksoftirqd/609:21:296
14758992010,2cyclictest65-21ksoftirqd/611:28:106
14746992017,3cyclictest33-21ksoftirqd/210:14:272
57222190,0sleep60-21swapper/612:04:056
160482190,0sleep10-21swapper/109:37:591
1475899198,3cyclictest65-21ksoftirqd/610:01:536
1475899196,3cyclictest65-21ksoftirqd/610:06:016
1475899196,3cyclictest65-21ksoftirqd/609:32:126
14758991917,1cyclictest631rcuc/610:35:566
14758991912,4cyclictest65-21ksoftirqd/611:14:566
14758991912,4cyclictest65-21ksoftirqd/609:14:166
1475899191,4cyclictest65-21ksoftirqd/609:26:126
1474699194,14cyclictest33-21ksoftirqd/209:22:352
14746991916,3cyclictest33-21ksoftirqd/209:48:532
14746991915,2cyclictest121rcu_preempt09:24:432
14746991914,4cyclictest33-21ksoftirqd/210:57:392
108482190,0sleep10-21swapper/110:12:191
226812180,0sleep30-21swapper/310:58:503
1475899187,3cyclictest65-21ksoftirqd/611:03:366
1475899186,1cyclictest65-21ksoftirqd/610:22:396
14758991813,2cyclictest65-21ksoftirqd/612:16:056
14758991813,1cyclictest65-21ksoftirqd/612:10:236
14758991813,1cyclictest65-21ksoftirqd/612:10:236
1475899181,3cyclictest1-21systemd11:56:346
1475899181,2cyclictest121rcu_preempt11:22:256
1475899181,2cyclictest121rcu_preempt11:22:256
1475899180,3cyclictest65-21ksoftirqd/609:55:446
1474699183,1cyclictest33-21ksoftirqd/210:56:122
14746991814,1cyclictest33-21ksoftirqd/209:57:402
14746991811,6cyclictest33-21ksoftirqd/209:11:412
1474699180,1cyclictest464-21systemd-journal12:25:442
3012170,0sleep70-21swapper/709:16:277
299822170,0sleep30-21swapper/309:56:193
14763991715,1cyclictest73-21ksoftirqd/710:14:527
1475899178,3cyclictest65-21ksoftirqd/609:51:336
1475899177,2cyclictest65-21ksoftirqd/612:21:196
1475899175,1cyclictest65-21ksoftirqd/610:54:416
1475899174,3cyclictest65-21ksoftirqd/611:07:366
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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