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2026-01-01 - 00:44
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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 Wed Dec 31, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15789912074,25cyclictest57-21ksoftirqd/510:50:545
234452750,0sleep50-21swapper/510:46:095
140892730,1sleep449-21ksoftirqd/412:08:494
229482720,0sleep7721ktimersoftd/711:06:067
170412720,1sleep773-21ksoftirqd/709:58:467
1585997237,0cyclictest0-21swapper/610:50:536
156399650,65cyclictest9559-21kworker/3:010:50:543
195532630,1sleep319550-21systemd12:36:033
3130925127,8sleep00-21swapper/007:04:310
114125123,9sleep50-21swapper/507:05:565
33092500,1sleep125-21ksoftirqd/112:20:561
168402490,0sleep40-21swapper/410:48:574
157199480,47cyclictest7221-21kworker/u16:310:50:534
129824825,8sleep10-21swapper/107:08:011
83202470,0sleep10-21swapper/111:38:111
131724531,10sleep70-21swapper/707:08:157
55142440,0sleep30-21swapper/310:47:443
171592440,0sleep10-21swapper/109:38:461
75522430,0sleep47546-21sshd11:44:394
245722430,0sleep30-21swapper/312:23:143
1535994217,25cyclictest0-21swapper/010:50:540
244712410,0sleep40-21swapper/410:29:354
219792410,0sleep50-21swapper/511:39:355
1543994141,0cyclictest19265-21kworker/1:010:50:531
263182400,0sleep10-21swapper/110:26:191
189142400,0sleep40-21swapper/410:22:144
165512400,1sleep416535-21systemd09:58:434
123824029,8sleep30-21swapper/307:07:153
110224027,9sleep40-21swapper/407:05:314
108824027,9sleep20-21swapper/207:05:212
139323927,8sleep60-21swapper/607:09:186
1551993737,0cyclictest13550irq/24-ahci[00010:50:542
154162370,2sleep1154399cyclictest10:58:471
26322360,0sleep70-21swapper/710:17:127
22712360,0sleep50-21swapper/511:27:265
159399342,18cyclictest0-21swapper/710:50:547
168162210,0sleep40-21swapper/409:25:044
300162200,0sleep20-21swapper/211:03:362
32512180,4sleep50-21swapper/511:20:455
1585991812,2cyclictest23890-21systemd09:22:356
43862170,0sleep619643-21kworker/u16:211:14:216
158599171,1cyclictest0-21swapper/610:55:046
1535991715,1cyclictest6761-21kworker/0:311:15:200
1535991712,4cyclictest9-21ksoftirqd/010:17:520
1585991610,2cyclictest28233-21systemd12:20:076
1535991613,2cyclictest29371-21kworker/0:411:38:220
76882150,1sleep449-21ksoftirqd/410:11:014
43962150,0sleep40-21swapper/411:00:504
191932150,1sleep6158599cyclictest10:22:166
156399150,9cyclictest0-21swapper/309:58:273
1543991513,1cyclictest25-21ksoftirqd/110:36:561
1543991513,1cyclictest25-21ksoftirqd/110:36:561
1543991513,1cyclictest25-21ksoftirqd/109:40:381
1535991514,1cyclictest9-21ksoftirqd/010:06:380
1535991514,1cyclictest4929-21kworker/0:309:12:220
1535991513,1cyclictest9-21ksoftirqd/012:28:430
1535991513,1cyclictest9-21ksoftirqd/012:23:350
1535991513,1cyclictest9-21ksoftirqd/011:49:340
1535991513,1cyclictest9-21ksoftirqd/011:07:130
1535991513,1cyclictest9-21ksoftirqd/010:39:390
1535991510,2cyclictest31064-21kworker/0:410:21:200
149052150,0sleep30-21swapper/311:58:553
78412140,0sleep50-21swapper/507:19:335
48092140,0sleep10-21swapper/107:14:331
1543991412,1cyclictest25-21ksoftirqd/112:33:061
1543991412,1cyclictest25-21ksoftirqd/111:21:011
153599148,1cyclictest456-21kworker/0:411:48:150
1535991413,1cyclictest9-21ksoftirqd/012:17:020
1535991413,1cyclictest9-21ksoftirqd/012:17:020
1535991413,1cyclictest9-21ksoftirqd/009:34:380
1535991413,0cyclictest7221-21kworker/u16:311:03:220
1535991412,2cyclictest22478-21kworker/u16:111:12:460
1535991412,1cyclictest9-21ksoftirqd/009:59:360
1535991412,1cyclictest9-21ksoftirqd/009:56:370
1535991412,1cyclictest111rcuc/011:26:550
1535991412,0cyclictest7905-21kworker/u16:409:15:380
1535991411,1cyclictest9-21ksoftirqd/010:49:050
1535991411,1cyclictest23213-21kworker/0:209:49:520
1535991411,1cyclictest17601-21kworker/0:211:59:110
1535991411,1cyclictest1490-21kworker/u16:410:30:340
102852140,0sleep30-21swapper/310:28:053
71742130,0sleep40-21swapper/409:44:264
57142130,0sleep5561ktimersoftd/511:04:275
327112130,0sleep10-21swapper/111:54:051
1593991310,2cyclictest1-21systemd10:22:567
1578991312,1cyclictest57-21ksoftirqd/510:25:235
1578991311,1cyclictest57-21ksoftirqd/512:38:505
1578991311,1cyclictest57-21ksoftirqd/512:15:325
1578991311,1cyclictest57-21ksoftirqd/512:15:325
1551991312,1cyclictest33-21ksoftirqd/211:27:382
1543991312,1cyclictest25-21ksoftirqd/111:57:401
1543991312,1cyclictest25-21ksoftirqd/111:18:221
1543991312,1cyclictest25-21ksoftirqd/109:58:081
1543991311,1cyclictest25-21ksoftirqd/110:09:541
154399130,13cyclictest21862-21kworker/1:211:29:141
153599139,1cyclictest9-21ksoftirqd/010:55:200
153599138,1cyclictest9-21ksoftirqd/012:07:210
1535991312,1cyclictest9-21ksoftirqd/011:20:530
1535991312,1cyclictest9-21ksoftirqd/009:26:140
1535991312,1cyclictest9-21ksoftirqd/009:19:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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