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2025-04-04 - 14:43
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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 rack7slot1.osadl.org (updated Fri Apr 04, 2025 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23548212158,58sleep30-21swapper/307:08:353
23578211855,58sleep10-21swapper/107:08:571
23641211555,53sleep00-21swapper/007:09:440
23623211555,55sleep20-21swapper/207:09:302
280522900,2sleep39934-21stress09:55:293
162672520,1sleep39935-21stress09:21:073
142312440,1sleep19935-21stress09:18:061
2377299438,20cyclictest0-21swapper/110:43:011
2377299438,20cyclictest0-21swapper/110:43:011
23772994214,25cyclictest0-21swapper/112:06:011
2377299399,20cyclictest0-21swapper/110:07:251
2377299399,20cyclictest0-21swapper/110:07:251
190642395,13sleep20-21swapper/208:10:402
52112385,13sleep00-21swapper/008:57:470
52112385,13sleep00-21swapper/008:57:470
2377299386,19cyclictest0-21swapper/111:00:521
2377199386,15cyclictest0-21swapper/010:27:440
23771993813,22cyclictest0-21swapper/012:21:260
172082385,13sleep10-21swapper/108:10:001
94692375,13sleep00-21swapper/009:05:330
94692375,13sleep00-21swapper/009:05:330
59202375,13sleep00-21swapper/007:43:410
30542375,13sleep00-21swapper/008:53:500
302322375,13sleep20-21swapper/208:37:202
283462375,10sleep00-21swapper/008:35:010
2377299376,18cyclictest0-21swapper/110:36:351
2377299376,18cyclictest0-21swapper/110:36:351
2377299375,21cyclictest0-21swapper/110:46:311
2377299375,21cyclictest0-21swapper/110:46:311
23772993710,15cyclictest0-21swapper/111:55:351
23771993714,20cyclictest0-21swapper/012:25:060
23771993714,20cyclictest0-21swapper/012:25:050
23771993714,20cyclictest0-21swapper/009:15:230
18502375,13sleep20-21swapper/207:35:042
169792375,13sleep20-21swapper/208:07:122
101742375,13sleep20-21swapper/207:51:082
74592365,12sleep10-21swapper/109:03:131
74592365,12sleep10-21swapper/109:03:131
309882365,12sleep10-21swapper/107:23:371
304442365,12sleep10-21swapper/108:39:511
256792365,12sleep20-21swapper/207:12:152
2377499365,20cyclictest0-21swapper/308:15:503
2377299367,17cyclictest0-21swapper/110:12:121
2377299367,17cyclictest0-21swapper/110:12:111
2377299366,19cyclictest0-21swapper/110:02:481
2377299366,19cyclictest0-21swapper/110:02:481
171762365,12sleep00-21swapper/008:09:390
12562365,12sleep10-21swapper/107:31:101
325952355,10sleep30-21swapper/308:44:023
315492355,12sleep10-21swapper/107:27:091
279102355,13sleep10-21swapper/108:30:411
2377499358,25cyclictest0-21swapper/307:56:253
2377499358,25cyclictest0-21swapper/307:38:553
23774993516,16cyclictest0-21swapper/312:00:233
23774993512,20cyclictest0-21swapper/311:30:313
23773993515,18cyclictest0-21swapper/212:38:312
2377299358,19cyclictest0-21swapper/112:03:561
2377299356,19cyclictest0-21swapper/110:30:281
2377199359,23cyclictest0-21swapper/011:35:170
23771993514,18cyclictest0-21swapper/009:50:200
23771993511,17cyclictest0-21swapper/007:31:490
212382355,13sleep10-21swapper/108:15:251
148062355,10sleep30-21swapper/308:02:323
127382355,12sleep00-21swapper/007:59:320
125902355,13sleep10-21swapper/107:57:451
104692355,10sleep30-21swapper/307:54:263
73032345,10sleep30-21swapper/309:01:273
73032345,10sleep30-21swapper/309:01:273
59662345,12sleep10-21swapper/107:44:141
5602345,10sleep00-21swapper/008:45:560
30442345,10sleep20-21swapper/208:53:442
2377499348,24cyclictest0-21swapper/307:41:253
2377499348,14cyclictest0-21swapper/307:46:253
23774993419,13cyclictest0-21swapper/311:50:163
23774993415,16cyclictest0-21swapper/310:58:513
2377399348,23cyclictest0-21swapper/211:05:492
2377399345,15cyclictest0-21swapper/209:14:182
23773993414,17cyclictest0-21swapper/211:28:272
23773993410,21cyclictest0-21swapper/212:12:562
2377299345,20cyclictest0-21swapper/111:42:081
2377299345,20cyclictest0-21swapper/108:50:141
23772993415,17cyclictest0-21swapper/109:59:541
2377199349,17cyclictest0-21swapper/008:25:180
2377199346,25cyclictest0-21swapper/009:35:190
2377199346,20cyclictest0-21swapper/008:40:210
2377199345,26cyclictest0-21swapper/007:15:150
2377199345,19cyclictest0-21swapper/008:23:190
190902345,10sleep00-21swapper/008:10:550
15332345,10sleep20-21swapper/207:34:282
288122335,10sleep10-21swapper/107:18:511
2377499338,23cyclictest0-21swapper/307:21:153
2377499336,24cyclictest0-21swapper/312:22:333
23774993316,14cyclictest0-21swapper/310:23:153
2377399339,22cyclictest0-21swapper/211:50:252
2377399339,21cyclictest0-21swapper/212:15:052
23772993317,14cyclictest0-21swapper/111:15:361
23772993317,14cyclictest0-21swapper/111:15:361
23772993316,14cyclictest0-21swapper/110:55:141
2377199335,22cyclictest0-21swapper/007:49:290
23771993317,13cyclictest0-21swapper/012:35:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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