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2026-08-29 - 18:19
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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 Sat Aug 29, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3239221350,1sleep216951-21stress09:44:282
27076211755,20sleep30-21swapper/307:06:573
27051211351,57sleep00-21swapper/007:06:370
2718129567,23sleep20-21swapper/207:08:132
2709629569,21sleep10-21swapper/107:07:111
27431994313,16cyclictest0-21swapper/112:35:221
27433994210,29cyclictest0-21swapper/210:15:102
2743099429,30cyclictest0-21swapper/012:32:420
27430994212,19cyclictest0-21swapper/012:35:180
27433994116,22cyclictest0-21swapper/211:57:442
27433994116,22cyclictest0-21swapper/211:49:382
27433994116,22cyclictest0-21swapper/211:04:202
27433994116,22cyclictest0-21swapper/211:04:202
27433994111,27cyclictest0-21swapper/212:09:112
27433994111,27cyclictest0-21swapper/209:35:342
27430994115,23cyclictest0-21swapper/011:11:050
27430994112,26cyclictest0-21swapper/010:21:200
27433994015,22cyclictest0-21swapper/209:45:482
27433994014,23cyclictest0-21swapper/211:14:072
27433994012,25cyclictest0-21swapper/212:32:022
27433994011,26cyclictest0-21swapper/212:25:082
2743099409,20cyclictest0-21swapper/010:36:040
2743099409,20cyclictest0-21swapper/010:36:040
174382405,11sleep20-21swapper/207:55:242
27433993914,22cyclictest0-21swapper/210:09:582
27433993912,24cyclictest0-21swapper/210:15:022
27433993911,25cyclictest0-21swapper/211:31:082
27433993911,25cyclictest0-21swapper/210:25:472
27433993911,25cyclictest0-21swapper/210:25:462
27430993914,22cyclictest0-21swapper/010:16:200
27430993912,24cyclictest0-21swapper/010:08:110
27430993911,25cyclictest0-21swapper/011:57:270
68142385,13sleep20-21swapper/207:32:222
310802385,13sleep20-21swapper/208:25:532
2743399387,20cyclictest0-21swapper/209:50:232
2743399387,20cyclictest0-21swapper/209:50:232
27433993816,19cyclictest0-21swapper/211:53:062
27433993815,20cyclictest0-21swapper/209:25:442
27433993814,21cyclictest0-21swapper/211:05:022
27433993813,22cyclictest0-21swapper/212:20:162
27433993811,24cyclictest0-21swapper/211:27:472
27433993810,25cyclictest0-21swapper/210:30:282
27433993810,25cyclictest0-21swapper/210:30:282
27433993810,25cyclictest0-21swapper/209:16:542
2743099388,27cyclictest0-21swapper/011:48:150
2743099388,27cyclictest0-21swapper/009:34:340
27430993815,20cyclictest0-21swapper/010:26:430
27430993815,20cyclictest0-21swapper/010:26:430
27430993815,20cyclictest0-21swapper/010:02:130
167062385,13sleep20-21swapper/209:07:582
325082375,13sleep20-21swapper/207:17:592
312682375,13sleep00-21swapper/008:28:060
295282375,13sleep00-21swapper/007:14:240
2743499379,25cyclictest0-21swapper/309:57:143
27434993711,23cyclictest0-21swapper/310:11:123
27433993711,24cyclictest0-21swapper/210:00:192
27430993718,17cyclictest0-21swapper/010:30:110
27430993718,17cyclictest0-21swapper/010:30:110
27430993710,20cyclictest0-21swapper/008:50:140
221212375,13sleep30-21swapper/308:05:283
89632365,13sleep00-21swapper/007:36:460
89532365,12sleep20-21swapper/207:36:402
78492365,12sleep30-21swapper/308:48:143
44992365,13sleep10-21swapper/107:26:401
34832365,13sleep00-21swapper/008:39:250
324682365,13sleep00-21swapper/007:17:290
27433993612,22cyclictest0-21swapper/212:19:422
27433993612,22cyclictest0-21swapper/212:19:422
27433993610,24cyclictest0-21swapper/212:10:052
27433993610,24cyclictest0-21swapper/212:10:042
27433993610,23cyclictest0-21swapper/210:35:082
27433993610,23cyclictest0-21swapper/210:35:082
27431993614,12cyclictest0-21swapper/110:48:281
27431993612,21cyclictest0-21swapper/111:30:481
27431993611,15cyclictest0-21swapper/112:25:251
266392365,13sleep10-21swapper/108:16:171
266392365,13sleep10-21swapper/108:16:161
202232365,13sleep10-21swapper/108:04:251
180322365,12sleep00-21swapper/007:59:150
166782364,13sleep30-21swapper/309:07:393
145092365,13sleep00-21swapper/009:03:440
12022365,13sleep10-21swapper/108:34:291
112272365,13sleep20-21swapper/207:42:412
79832355,12sleep10-21swapper/108:49:531
33702354,10sleep30-21swapper/308:38:083
32292355,12sleep10-21swapper/108:36:251
27434993510,22cyclictest0-21swapper/312:21:493
27433993515,18cyclictest0-21swapper/210:55:022
27433993512,20cyclictest0-21swapper/209:32:492
27433993511,21cyclictest0-21swapper/212:00:282
27433993510,23cyclictest0-21swapper/210:55:102
27433993510,23cyclictest0-21swapper/210:55:102
27431993515,18cyclictest0-21swapper/110:05:181
27431993513,20cyclictest0-21swapper/109:16:451
2743099359,23cyclictest0-21swapper/009:50:240
2743099359,23cyclictest0-21swapper/009:50:240
2743099356,26cyclictest0-21swapper/009:55:120
27430993512,20cyclictest0-21swapper/010:40:150
221892355,12sleep00-21swapper/008:06:170
123262355,12sleep10-21swapper/108:58:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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