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2026-03-23 - 17:09
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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 Mon Mar 23, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14079211958,20sleep20-21swapper/207:05:082
15714211653,58sleep10-21swapper/107:07:061
15614211552,57sleep00-21swapper/007:05:500
15649211050,54sleep30-21swapper/307:06:163
16056994312,14cyclictest0-21swapper/111:10:241
261942420,1sleep33291-21stress11:18:203
16056994213,19cyclictest0-21swapper/111:37:471
287692410,1sleep33291-21stress10:09:373
16058994115,23cyclictest0-21swapper/310:20:313
16057994015,23cyclictest0-21swapper/211:58:502
16056994024,14cyclictest0-21swapper/112:05:291
1605899393,33cyclictest3291-21stress11:30:423
16058993915,21cyclictest0-21swapper/310:11:383
16057993916,20cyclictest0-21swapper/210:58:002
16057993913,23cyclictest0-21swapper/210:25:262
16056993915,22cyclictest0-21swapper/110:53:021
12492395,13sleep00-21swapper/007:48:240
315642385,14sleep20-21swapper/207:43:492
1605899383,33cyclictest3289-21stress10:50:083
1605899383,32cyclictest3291-21stress11:20:203
1605899383,20cyclictest3289-21stress09:12:293
1605899383,20cyclictest3289-21stress09:12:293
1605899382,33cyclictest3291-21stress12:24:393
1605899382,33cyclictest3291-21stress12:24:393
16058993815,20cyclictest0-21swapper/311:43:513
16058993815,20cyclictest0-21swapper/311:43:503
16057993816,20cyclictest0-21swapper/211:06:292
16057993815,21cyclictest0-21swapper/212:10:502
16056993813,22cyclictest0-21swapper/109:29:311
16056993811,24cyclictest0-21swapper/111:45:171
16055993814,21cyclictest0-21swapper/012:13:040
16055993814,21cyclictest0-21swapper/011:08:290
98312375,11sleep20-21swapper/208:08:042
203312375,13sleep00-21swapper/008:30:470
1605899373,31cyclictest9247-21grep11:55:113
1605899373,31cyclictest3291-21stress09:47:113
1605899373,31cyclictest2482-21idleruntime-cro11:40:003
1605899372,32cyclictest3291-21stress09:25:363
16058993718,17cyclictest0-21swapper/309:18:293
16058993716,19cyclictest0-21swapper/310:45:203
16058993715,20cyclictest0-21swapper/309:50:173
16058993715,19cyclictest0-21swapper/312:04:193
16058993714,21cyclictest0-21swapper/311:10:503
16058993713,21cyclictest0-21swapper/311:03:313
16058993712,22cyclictest0-21swapper/310:16:433
16057993716,19cyclictest0-21swapper/212:32:242
16057993716,19cyclictest0-21swapper/212:18:222
16057993714,20cyclictest0-21swapper/209:30:162
16057993713,21cyclictest0-21swapper/210:31:462
16056993714,21cyclictest0-21swapper/109:58:541
16056993713,14cyclictest0-21swapper/109:45:001
1605599378,18cyclictest0-21swapper/007:20:210
16055993711,23cyclictest0-21swapper/011:51:310
10832375,14sleep20-21swapper/207:46:222
78042365,13sleep20-21swapper/208:04:312
55062365,13sleep20-21swapper/207:57:412
46722365,13sleep10-21swapper/107:55:201
293982365,13sleep20-21swapper/207:38:252
292732365,10sleep00-21swapper/007:36:500
290992365,11sleep00-21swapper/008:53:560
290992365,11sleep00-21swapper/008:53:560
29042365,11sleep20-21swapper/209:06:172
250252365,13sleep10-21swapper/107:26:411
230212365,13sleep20-21swapper/207:23:162
210292365,13sleep10-21swapper/107:19:591
179902365,13sleep10-21swapper/107:13:161
1605899363,30cyclictest4307-21fschecks_time07:55:143
1605899363,30cyclictest3289-21stress09:10:023
1605899363,30cyclictest24413-21cstates12:30:133
1605899363,30cyclictest14759-21chrt09:35:203
1605899362,31cyclictest3291-21stress11:46:143
1605899362,31cyclictest3289-21stress11:55:003
16058993615,19cyclictest0-21swapper/311:05:073
16057993614,20cyclictest0-21swapper/211:50:102
16057993613,20cyclictest0-21swapper/210:40:102
16055993612,21cyclictest0-21swapper/011:20:250
16055993611,22cyclictest0-21swapper/010:57:020
16055993610,19cyclictest0-21swapper/008:00:250
11542365,14sleep10-21swapper/107:47:141
9632355,10sleep00-21swapper/009:04:280
9342355,11sleep10-21swapper/109:04:121
314292355,13sleep10-21swapper/107:42:031
313832355,13sleep00-21swapper/007:41:270
310952355,13sleep10-21swapper/108:57:061
184402355,13sleep10-21swapper/108:28:441
183552355,10sleep20-21swapper/208:27:402
180732355,13sleep20-21swapper/207:14:232
161412355,14sleep20-21swapper/208:21:342
160642355,11sleep00-21swapper/008:20:360
1605899353,29cyclictest3291-21stress11:30:033
1605899353,29cyclictest3289-21stress09:23:013
1605899353,29cyclictest3289-21stress09:23:013
1605899352,30cyclictest3291-21stress10:30:313
16057993515,18cyclictest0-21swapper/212:35:052
16057993514,18cyclictest0-21swapper/212:25:182
16057993514,18cyclictest0-21swapper/210:35:142
16057993514,18cyclictest0-21swapper/210:35:132
16057993514,18cyclictest0-21swapper/209:45:052
16057993514,18cyclictest0-21swapper/209:40:032
16057993513,19cyclictest0-21swapper/211:35:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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