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2025-12-29 - 20:21
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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 Mon Dec 29, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2555621020,0sleep7711rcuc/712:07:517
15952550,0sleep41594-21systemd-cgroups10:20:574
301752540,2sleep62905199cyclictest10:37:256
198312520,1sleep41-21systemd09:39:244
2882625127,8sleep70-21swapper/707:08:347
225382490,0sleep50-21swapper/510:56:385
283642470,2sleep32904299cyclictest09:23:303
216892450,0sleep30-21swapper/310:09:433
216892450,0sleep30-21swapper/310:09:433
84012440,1sleep48404-21kworker/u16:410:58:374
232562440,0sleep10-21swapper/110:06:281
4022420,0sleep00-21swapper/010:47:440
133382420,1sleep5492-21systemd-journal11:32:345
48962410,0sleep60-21swapper/610:08:016
2641824130,8sleep30-21swapper/307:04:293
117362410,0sleep60-21swapper/612:26:406
2877024028,8sleep00-21swapper/007:07:470
2866724029,8sleep10-21swapper/107:06:201
2866324028,8sleep60-21swapper/607:06:176
2857024029,8sleep20-21swapper/207:05:012
2641924027,9sleep40-21swapper/407:04:304
48932390,0sleep00-21swapper/011:35:010
310752390,1sleep557-21ksoftirqd/510:24:105
303662390,0sleep20-21swapper/212:14:592
2642023926,9sleep50-21swapper/507:04:315
81252380,0sleep40-21swapper/412:05:564
145022380,0sleep20-21swapper/208:34:442
306792360,0sleep60-21swapper/610:44:136
294692360,0sleep00-21swapper/011:04:090
230132360,0sleep60-21swapper/612:07:346
116072340,1sleep665-21ksoftirqd/612:03:026
271832260,0sleep00-21swapper/012:21:300
29026992114,4cyclictest25-21ksoftirqd/110:13:321
29026992114,4cyclictest25-21ksoftirqd/110:13:321
2904299208,2cyclictest41-21ksoftirqd/312:25:343
288122200,0sleep50-21swapper/509:56:555
2904299196,3cyclictest41-21ksoftirqd/309:47:293
2904299195,2cyclictest41-21ksoftirqd/311:40:243
2904299193,1cyclictest41-21ksoftirqd/311:56:063
29042991914,3cyclictest6956-21systemd12:15:583
2904299188,1cyclictest41-21ksoftirqd/309:49:273
29026991814,3cyclictest25-21ksoftirqd/111:42:381
35472170,0sleep00-21swapper/010:14:360
2905199170,16cyclictest19362-21kworker/6:111:06:476
2904299178,2cyclictest41-21ksoftirqd/310:27:323
29042991712,3cyclictest41-21ksoftirqd/310:21:093
2904299170,3cyclictest41-21ksoftirqd/310:34:413
2904299166,3cyclictest41-21ksoftirqd/311:38:393
2904299166,1cyclictest41-21ksoftirqd/312:09:043
2904299166,1cyclictest41-21ksoftirqd/309:58:553
2904299165,1cyclictest41-21ksoftirqd/309:16:523
2904299165,1cyclictest41-21ksoftirqd/309:16:523
2904299163,4cyclictest41-21ksoftirqd/311:51:373
2904299162,1cyclictest41-21ksoftirqd/310:07:543
29042991615,1cyclictest41-21ksoftirqd/310:53:063
29042991615,1cyclictest41-21ksoftirqd/309:29:233
29042991614,1cyclictest41-21ksoftirqd/312:00:483
29042991611,3cyclictest41-21ksoftirqd/310:30:023
29042991610,4cyclictest41-21ksoftirqd/309:30:093
29042991610,3cyclictest41-21ksoftirqd/311:29:473
2903499168,1cyclictest33-21ksoftirqd/211:54:202
29034991611,1cyclictest33-21ksoftirqd/211:40:522
2902699165,2cyclictest25-21ksoftirqd/109:27:271
2902699163,5cyclictest25-21ksoftirqd/111:09:261
29026991615,1cyclictest25-21ksoftirqd/110:23:491
29026991615,1cyclictest25-21ksoftirqd/109:15:291
29026991615,1cyclictest25-21ksoftirqd/109:15:291
29026991614,2cyclictest25-21ksoftirqd/110:56:121
29026991614,1cyclictest25-21ksoftirqd/112:17:341
29026991614,1cyclictest25-21ksoftirqd/111:36:221
29026991614,1cyclictest25-21ksoftirqd/111:14:361
29026991614,1cyclictest25-21ksoftirqd/109:46:431
29026991614,1cyclictest25-21ksoftirqd/109:30:281
29026991612,3cyclictest25-21ksoftirqd/109:21:021
29026991612,1cyclictest25-21ksoftirqd/110:43:081
29026991611,3cyclictest25-21ksoftirqd/109:57:401
2902699161,1cyclictest131rcu_sched10:38:361
29061991515,0cyclictest0-21swapper/709:51:417
2904299158,4cyclictest492-21systemd-journal09:40:253
2904299154,3cyclictest41-21ksoftirqd/312:37:343
2904299154,3cyclictest41-21ksoftirqd/312:37:343
2904299154,10cyclictest41-21ksoftirqd/312:22:143
2904299154,1cyclictest41-21ksoftirqd/312:31:343
2904299154,1cyclictest41-21ksoftirqd/311:49:173
2904299154,1cyclictest41-21ksoftirqd/311:49:173
29042991513,1cyclictest41-21ksoftirqd/311:19:313
29042991513,1cyclictest41-21ksoftirqd/311:04:403
29042991513,1cyclictest41-21ksoftirqd/310:44:463
29042991513,1cyclictest41-21ksoftirqd/310:14:343
29042991513,1cyclictest41-21ksoftirqd/309:59:413
29042991511,1cyclictest121rcu_preempt10:40:213
2904299151,1cyclictest41-21ksoftirqd/310:54:463
2904299150,1cyclictest131rcu_sched09:13:423
2904299150,1cyclictest121rcu_preempt11:00:343
29034991512,2cyclictest33-21ksoftirqd/210:14:022
29034991512,2cyclictest33-21ksoftirqd/210:14:022
29026991514,1cyclictest25-21ksoftirqd/111:44:381
29026991514,1cyclictest25-21ksoftirqd/111:44:381
29026991514,1cyclictest25-21ksoftirqd/111:11:561
29026991514,1cyclictest25-21ksoftirqd/110:52:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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