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2025-11-18 - 18:49
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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 Tue Nov 18, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29309211653,57sleep10-21swapper/107:07:051
29336211453,23sleep30-21swapper/307:07:293
29452211352,56sleep20-21swapper/207:08:522
27628210950,54sleep00-21swapper/007:05:050
11442460,1sleep018261-21stress10:55:420
29649994526,16cyclictest0-21swapper/311:22:423
2964799457,27cyclictest0-21swapper/111:20:281
29649994429,13cyclictest0-21swapper/311:16:393
29649994429,13cyclictest0-21swapper/311:16:383
29649994427,15cyclictest0-21swapper/312:31:003
29649994425,16cyclictest0-21swapper/311:10:373
29649994328,13cyclictest0-21swapper/312:22:543
29649994328,13cyclictest0-21swapper/312:22:543
29649994327,14cyclictest0-21swapper/310:40:193
29649994227,13cyclictest0-21swapper/310:00:203
29649994227,13cyclictest0-21swapper/309:35:263
29649994227,13cyclictest0-21swapper/309:16:243
29649994225,14cyclictest0-21swapper/309:56:413
29649994225,14cyclictest0-21swapper/309:56:413
29649994127,12cyclictest0-21swapper/311:40:363
29649994126,13cyclictest0-21swapper/311:35:373
29649994126,13cyclictest0-21swapper/311:28:163
29649994125,13cyclictest0-21swapper/311:55:283
29649994125,13cyclictest0-21swapper/309:43:003
29647994111,27cyclictest0-21swapper/110:14:291
2964999399,27cyclictest0-21swapper/310:10:233
29648993916,20cyclictest0-21swapper/211:46:512
29647993912,24cyclictest0-21swapper/110:54:111
65462385,13sleep20-21swapper/207:28:452
29649993822,14cyclictest0-21swapper/310:59:063
29648993817,18cyclictest0-21swapper/209:50:392
29648993814,21cyclictest0-21swapper/211:40:212
142502385,14sleep20-21swapper/209:00:152
92072375,10sleep00-21swapper/008:48:060
92072375,10sleep00-21swapper/008:48:060
2964999378,26cyclictest0-21swapper/311:52:233
2964999378,26cyclictest0-21swapper/311:05:323
2964999378,26cyclictest0-21swapper/309:33:523
29649993728,6cyclictest18263-21stress10:15:333
29649993724,11cyclictest0-21swapper/312:25:293
29649993724,11cyclictest0-21swapper/312:25:293
29648993711,23cyclictest0-21swapper/211:02:352
29647993710,24cyclictest0-21swapper/110:55:111
29646993714,20cyclictest0-21swapper/010:48:040
115632375,13sleep20-21swapper/208:54:452
84882365,10sleep20-21swapper/207:30:292
306032365,10sleep20-21swapper/208:22:062
2964999369,24cyclictest0-21swapper/312:10:223
29649993627,7cyclictest18263-21stress10:35:253
29649993627,7cyclictest18263-21stress10:35:243
29648993614,19cyclictest0-21swapper/211:13:552
2964799368,25cyclictest0-21swapper/111:15:331
2964799368,25cyclictest0-21swapper/111:15:321
29646993614,19cyclictest0-21swapper/010:40:460
264332365,13sleep00-21swapper/008:14:380
25842365,11sleep20-21swapper/208:32:402
180322365,13sleep00-21swapper/009:08:190
69472355,13sleep20-21swapper/208:42:272
317482355,13sleep00-21swapper/007:14:520
2964999358,24cyclictest0-21swapper/310:30:163
2964999358,24cyclictest0-21swapper/310:30:153
2964999358,24cyclictest0-21swapper/309:20:243
2964999358,24cyclictest0-21swapper/309:20:243
29647993515,18cyclictest0-21swapper/109:58:091
29647993515,18cyclictest0-21swapper/109:58:081
29646993515,17cyclictest0-21swapper/012:10:170
26102355,13sleep10-21swapper/108:32:591
179222355,10sleep20-21swapper/209:06:532
173442355,13sleep00-21swapper/007:50:480
157702355,13sleep00-21swapper/009:02:340
157492355,10sleep20-21swapper/207:50:062
136432355,10sleep00-21swapper/008:58:240
91422345,13sleep20-21swapper/207:35:052
71222345,12sleep00-21swapper/008:44:290
44072345,10sleep10-21swapper/107:24:231
42592345,12sleep00-21swapper/007:22:280
2964999349,23cyclictest0-21swapper/310:45:183
2964999349,22cyclictest0-21swapper/310:50:293
2964999348,24cyclictest0-21swapper/308:58:543
2964999348,23cyclictest0-21swapper/312:00:373
2964999344,27cyclictest0-21swapper/311:30:243
29649993422,9cyclictest18263-21stress10:27:443
29649993412,19cyclictest0-21swapper/309:25:493
29649993412,19cyclictest0-21swapper/309:25:493
2964899349,22cyclictest0-21swapper/211:25:272
29648993416,15cyclictest0-21swapper/211:15:092
29648993416,15cyclictest0-21swapper/211:15:092
29648993414,17cyclictest0-21swapper/212:10:292
29648993411,20cyclictest0-21swapper/211:05:352
29648993411,20cyclictest0-21swapper/209:46:112
2964799347,25cyclictest0-21swapper/111:40:171
29647993411,20cyclictest0-21swapper/111:25:151
29647993410,22cyclictest0-21swapper/110:04:011
2964699348,23cyclictest0-21swapper/012:19:240
283292345,10sleep00-21swapper/008:15:420
180182345,10sleep10-21swapper/109:08:071
129552345,13sleep00-21swapper/007:41:130
129162345,10sleep20-21swapper/207:40:442
114672345,12sleep00-21swapper/008:53:340
2964999338,22cyclictest0-21swapper/311:04:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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