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2026-05-01 - 07:54
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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 100 highest latencies:
System rack5slot0.osadl.org (updated Thu Apr 30, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
712121430,1sleep37122-21sshd11:55:203
124821300,0sleep01233-21sshd12:21:410
2404321240,4sleep12153899cyclictest11:01:591
268421230,0sleep12683-21sshd09:43:091
774921200,1sleep10-21swapper/111:36:421
1131621200,4sleep22153999cyclictest09:33:512
2101421170,4sleep12153899cyclictest11:09:041
3167821080,1sleep131666-21sshd10:37:101
2631621060,3sleep20-21swapper/209:11:352
21166210532,44sleep30-21swapper/307:08:503
2979021030,2sleep12512-21runrttasks09:29:021
314262880,2sleep20-21swapper/210:44:212
257472880,3sleep30-21swapper/309:28:353
273692850,3sleep30-21swapper/312:31:543
183432850,3sleep12153899cyclictest10:25:211
268622840,2sleep30-21swapper/309:45:353
249942840,3sleep224992-21sshd11:45:412
249942840,3sleep224992-21sshd11:45:402
241632840,2sleep10-21swapper/109:48:501
222382830,2sleep30-21swapper/312:01:133
2125828334,45sleep10-21swapper/107:09:531
319812820,1sleep10-21swapper/110:33:501
37792810,3sleep20-21swapper/207:40:172
268372810,2sleep226834-21bash12:20:552
188502810,2sleep118848-21sshd10:21:241
49092800,3sleep10-21swapper/109:23:011
223302800,1sleep022326-21sshd11:27:230
48422790,3sleep10-21swapper/111:59:091
252972790,4sleep22153999cyclictest09:35:172
166082780,0sleep00-21swapper/009:58:340
100102780,0sleep00-21swapper/012:14:590
89272770,4sleep20-21swapper/211:25:412
96992760,2sleep19700-21bash12:14:571
91542750,1sleep20-21swapper/211:15:072
31072750,0sleep00-21swapper/011:43:260
81142740,2sleep10-21swapper/111:43:591
323582740,1sleep032351-21bash09:42:510
290042740,1sleep028998-21sshd11:13:320
53042720,0sleep00-21swapper/011:03:430
234532720,2sleep323456-21bash10:29:313
2090827233,9sleep20-21swapper/207:05:372
41472690,4sleep22153999cyclictest10:15:312
66392660,1sleep06640-21sshd09:23:110
291472660,4sleep12153899cyclictest11:13:341
112572660,1sleep20-21swapper/210:01:202
324002640,0sleep00-21swapper/010:52:040
271312640,2sleep227130-21sshd10:14:322
286712630,2sleep20-21swapper/209:28:542
2097525732,14sleep00-21swapper/007:06:270
301842410,0sleep230183-21bash10:47:462
10792352,30sleep3144650irq/27-eth012:21:413
192382332,29sleep1144650irq/27-eth011:45:121
192382332,29sleep1144650irq/27-eth011:45:121
181172300,27sleep228950irq/26-ahci[00009:24:282
205882270,25sleep128950irq/26-ahci[00012:16:101
313292250,2sleep30-21swapper/311:50:183
238672250,2sleep20-21swapper/210:50:542
205982250,23sleep3144650irq/27-eth011:27:113
169022250,1sleep30-21swapper/312:37:473
129952230,1sleep00-21swapper/009:50:570
23282223,17sleep3144650irq/27-eth009:57:023
146122220,2sleep30-21swapper/309:54:533
179362210,2sleep20-21swapper/212:37:542
172252210,2sleep217222-21sshd11:01:122
166272210,1sleep10-21swapper/112:37:441
122052210,1sleep00-21swapper/011:15:220
318582200,4sleep32154099cyclictest09:39:263
21538992012,7cyclictest0-21swapper/111:18:411
206122202,16sleep3144650irq/27-eth010:32:373
41802190,17sleep3144650irq/27-eth012:29:223
21538991917,1cyclictest0-21swapper/110:40:021
108562190,17sleep3144650irq/27-eth010:20:233
2154099180,14cyclictest0-21swapper/311:46:423
2154099180,14cyclictest0-21swapper/311:46:413
2153999181,15cyclictest0-21swapper/210:21:042
21538991813,3cyclictest21897-21sed12:20:221
2154099170,5cyclictest0-21swapper/310:59:013
2154099170,16cyclictest0-21swapper/311:20:443
2153999174,11cyclictest24690-21seq07:15:152
2153999172,13cyclictest4748-21sshd10:56:272
2153899170,15cyclictest0-21swapper/110:45:131
2153899170,15cyclictest0-21swapper/110:15:151
2153799170,15cyclictest0-21swapper/012:00:190
114862170,15sleep3144650irq/27-eth009:33:543
99312160,14sleep3144650irq/27-eth012:10:593
91362160,1sleep02024-21nfsd09:33:380
5382160,1sleep1534-21sshd12:25:111
49012160,14sleep3144650irq/27-eth010:48:403
2154099168,3cyclictest17924-21sshd11:12:103
21540991613,2cyclictest31011-21sshd11:06:363
2154099160,4cyclictest144650irq/27-eth009:14:333
2154099160,3cyclictest32207-21cut12:10:003
2154099160,14cyclictest0-21swapper/311:35:013
2153999163,12cyclictest16623-21sshd11:37:472
2153999163,11cyclictest6955-21bash09:50:202
21539991612,3cyclictest2039-21bash11:58:482
21539991610,5cyclictest1740-21sshd09:19:202
2153999160,14cyclictest26502-21cp12:09:252
21538991611,0cyclictest0-21swapper/109:15:521
2153899160,3cyclictest28655-21sshd09:32:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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