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2026-04-12 - 14:52
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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 Sun Apr 12, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3215021300,4sleep21645199cyclictest07:45:012
1162821300,4sleep01644299cyclictest10:25:180
3128021200,1sleep02024-21nfsd10:31:190
2976621150,2sleep20-21swapper/212:12:082
2976621150,2sleep20-21swapper/212:12:082
308402880,3sleep20-21swapper/211:01:262
43402840,1sleep30-21swapper/311:20:303
199422840,3sleep31645799cyclictest12:10:523
199422840,3sleep31645799cyclictest12:10:513
193512830,2sleep10-21swapper/112:34:381
1619128233,44sleep10-21swapper/107:09:541
160062820,1sleep30-21swapper/310:48:463
309042810,2sleep32132-21sshd11:50:523
1596528032,44sleep30-21swapper/307:07:163
60922790,0sleep00-21swapper/009:56:040
210732790,2sleep221031-21sshd11:22:472
45192780,2sleep20-21swapper/212:29:022
279162780,1sleep20-21swapper/210:27:172
245572780,0sleep00-21swapper/012:00:320
21062780,4sleep31645799cyclictest09:19:443
264702770,2sleep30-21swapper/310:57:023
83232750,0sleep28320-21sshd11:13:322
136882750,0sleep00-21swapper/012:14:170
136882750,0sleep00-21swapper/012:14:170
302342740,4sleep01644299cyclictest11:57:460
256712740,2sleep30-21swapper/312:35:213
218182740,1sleep121816-21sshd10:11:481
1600827432,12sleep20-21swapper/207:07:472
137172740,2sleep30-21swapper/310:52:093
300972730,2sleep12024-21nfsd07:40:101
262682720,3sleep21645199cyclictest11:08:072
134622720,2sleep20-21swapper/209:46:212
101002710,0sleep010089-21sshd10:00:010
303782670,3sleep01644299cyclictest11:15:480
64892650,2sleep10-21swapper/112:09:341
64892650,2sleep10-21swapper/112:09:331
244762640,1sleep11644799cyclictest10:49:511
1596225833,13sleep00-21swapper/007:07:130
165042340,4sleep21645199cyclictest09:10:582
230522310,3sleep10-21swapper/109:11:411
77752300,3sleep20-21swapper/210:21:072
14522270,25sleep2144650irq/27-eth010:02:282
1645199267,3cyclictest6082-21bash11:58:412
277872250,2sleep30-21swapper/312:31:283
192572250,2sleep30-21swapper/311:29:563
10982251,22sleep228950irq/26-ahci[00012:09:002
10982251,22sleep228950irq/26-ahci[00012:08:592
262142240,2sleep30-21swapper/310:23:283
291892230,0sleep00-21swapper/010:50:180
268002230,3sleep21645199cyclictest09:18:562
1645199220,10cyclictest0-21swapper/209:36:292
141782220,2sleep20-21swapper/210:33:212
61542210,2sleep32023-21nfsd09:26:503
279172210,19sleep3144650irq/27-eth009:51:353
265522210,4sleep10-21swapper/109:54:571
1645199216,10cyclictest13324-21processes10:40:212
16442992116,4cyclictest16539-21sshd09:42:450
1644299210,2cyclictest30799-21sshd10:35:210
159052210,19sleep2144650irq/27-eth010:11:062
135802210,1sleep313577-21rm11:17:433
48252200,0sleep00-21swapper/011:40:120
36582200,3sleep10-21swapper/109:19:551
1644799201,5cyclictest0-21swapper/109:48:411
1644299200,1cyclictest18627-21sshd10:11:250
126142200,0sleep10-21swapper/108:10:201
47672190,0sleep00-21swapper/010:43:100
284022190,17sleep228950irq/26-ahci[00011:50:372
1645199192,15cyclictest15215-21sshd10:18:342
1644299191,2cyclictest0-21swapper/010:05:150
1644299191,2cyclictest0-21swapper/010:05:150
16442991912,6cyclictest9253-21bash09:34:570
1644299190,18cyclictest0-21swapper/012:20:020
1644299190,16cyclictest0-21swapper/010:45:320
85242180,16sleep3144650irq/27-eth009:45:423
16457991813,3cyclictest2619-21sshd09:55:413
1645199184,3cyclictest4395-21sshd09:55:532
1645199183,5cyclictest0-21swapper/211:38:442
1644299180,17cyclictest0-21swapper/012:26:530
1644299180,17cyclictest0-21swapper/009:26:330
1644299180,11cyclictest0-21swapper/007:15:140
76112170,16sleep1144650irq/27-eth009:38:151
1645799170,4cyclictest144650irq/27-eth009:31:333
1645199173,6cyclictest7094-21bash10:51:262
16451991712,3cyclictest5511-21sshd09:23:252
16451991712,3cyclictest25646-21bash10:56:572
1644799179,7cyclictest0-21swapper/111:35:321
1644799171,3cyclictest26056-21bash12:35:221
1644299178,4cyclictest0-21swapper/011:09:350
1644299171,15cyclictest0-21swapper/012:08:460
1644299171,15cyclictest0-21swapper/012:08:460
1644299171,15cyclictest0-21swapper/009:15:210
1644299171,10cyclictest0-21swapper/007:20:150
1644299170,9cyclictest0-21swapper/007:44:170
1644299170,2cyclictest919-21sshd11:20:130
1644299170,1cyclictest15127-21sshd11:37:180
1644299170,1cyclictest0-21swapper/012:31:590
1644299170,1cyclictest0-21swapper/011:47:430
1644299170,1cyclictest0-21swapper/011:32:520
1644299170,1cyclictest0-21swapper/011:02:540
1644299170,1cyclictest0-21swapper/009:02:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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