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2025-11-28 - 15:06
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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 Nov 28, 2025 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
549021250,1sleep218588-21stress12:20:202
29537211956,23sleep30-21swapper/307:07:413
29403211452,57sleep10-21swapper/107:05:581
29611211056,48sleep20-21swapper/207:08:402
29559210950,54sleep00-21swapper/007:07:580
29831994210,29cyclictest0-21swapper/309:54:403
2982599419,29cyclictest0-21swapper/009:44:060
29825994114,24cyclictest0-21swapper/009:10:320
29831994010,27cyclictest0-21swapper/311:19:303
29827994017,20cyclictest0-21swapper/210:24:262
2982799398,28cyclictest0-21swapper/210:35:262
29827993917,19cyclictest0-21swapper/212:25:252
29827993917,19cyclictest0-21swapper/212:25:252
29826993915,21cyclictest0-21swapper/109:13:061
29825993915,21cyclictest0-21swapper/009:58:080
29825993914,22cyclictest0-21swapper/010:03:360
29825993914,22cyclictest0-21swapper/010:03:350
29825993913,23cyclictest0-21swapper/012:22:090
2983199389,26cyclictest0-21swapper/309:35:183
2983199389,26cyclictest0-21swapper/309:35:183
29831993812,23cyclictest0-21swapper/310:45:083
29831993812,23cyclictest0-21swapper/310:45:083
29825993811,24cyclictest0-21swapper/011:25:350
29825993811,24cyclictest0-21swapper/011:25:340
153402385,13sleep30-21swapper/307:45:273
96542375,13sleep10-21swapper/108:49:451
95552375,13sleep20-21swapper/208:48:292
70972375,13sleep20-21swapper/208:40:272
29831993712,22cyclictest0-21swapper/309:20:253
2982799379,25cyclictest0-21swapper/212:30:242
2982799377,27cyclictest0-21swapper/209:15:252
2982799377,27cyclictest0-21swapper/209:15:242
2982699374,16cyclictest0-21swapper/112:15:141
29826993716,18cyclictest0-21swapper/111:35:031
29826993715,19cyclictest0-21swapper/112:34:521
29826993715,19cyclictest0-21swapper/111:10:451
29826993715,19cyclictest0-21swapper/110:52:241
29826993714,20cyclictest0-21swapper/112:14:071
29825993716,18cyclictest0-21swapper/009:45:040
29825993713,21cyclictest0-21swapper/010:50:220
29825993712,22cyclictest0-21swapper/010:35:380
29825993712,22cyclictest0-21swapper/009:27:210
29825993712,22cyclictest0-21swapper/009:27:210
289062375,13sleep10-21swapper/108:19:241
287612375,13sleep30-21swapper/308:17:343
266302375,13sleep10-21swapper/108:13:481
200432375,13sleep10-21swapper/107:59:031
175922375,13sleep10-21swapper/107:51:021
12912375,13sleep10-21swapper/107:15:171
117872375,13sleep20-21swapper/208:53:502
111292375,13sleep10-21swapper/107:37:591
109272375,13sleep20-21swapper/207:35:312
89872365,13sleep00-21swapper/007:33:570
317142364,13sleep30-21swapper/307:12:153
29831993617,16cyclictest0-21swapper/310:32:043
29831993615,18cyclictest0-21swapper/310:59:353
29831993611,23cyclictest0-21swapper/312:38:433
29831993610,23cyclictest0-21swapper/312:05:163
2982799367,26cyclictest0-21swapper/210:35:022
29827993620,15cyclictest0-21swapper/208:58:532
2982699365,16cyclictest0-21swapper/110:00:211
2982699365,16cyclictest0-21swapper/110:00:201
29826993610,23cyclictest0-21swapper/111:32:541
2982599367,26cyclictest0-21swapper/011:45:100
2982599366,27cyclictest0-21swapper/011:35:160
29825993615,18cyclictest0-21swapper/010:22:370
22892365,13sleep00-21swapper/007:17:440
220052365,12sleep00-21swapper/008:00:510
219662365,13sleep20-21swapper/208:00:242
156662365,12sleep20-21swapper/207:49:392
121572365,13sleep10-21swapper/108:55:061
110992365,12sleep30-21swapper/307:37:373
318022355,12sleep00-21swapper/007:13:200
308292355,13sleep10-21swapper/108:21:331
2983199358,24cyclictest0-21swapper/311:45:383
2983199357,25cyclictest0-21swapper/309:40:113
2982799358,25cyclictest0-21swapper/207:31:142
2982799358,25cyclictest0-21swapper/207:28:242
29827993511,21cyclictest0-21swapper/209:45:252
29827993510,22cyclictest0-21swapper/211:45:162
29826993515,17cyclictest0-21swapper/112:27:121
29826993515,17cyclictest0-21swapper/112:27:121
29826993514,19cyclictest0-21swapper/110:17:031
29825993514,18cyclictest0-21swapper/010:25:120
28142355,12sleep10-21swapper/108:31:561
27392355,13sleep20-21swapper/208:31:042
116892355,11sleep00-21swapper/008:52:350
29831993414,17cyclictest0-21swapper/312:00:113
29831993414,17cyclictest0-21swapper/312:00:103
29831993412,20cyclictest0-21swapper/309:45:233
29831993411,20cyclictest0-21swapper/311:10:173
29831993411,20cyclictest0-21swapper/310:10:363
2982799349,23cyclictest0-21swapper/210:25:102
2982799347,24cyclictest0-21swapper/210:05:142
2982799347,24cyclictest0-21swapper/209:30:072
29827993418,15cyclictest0-21swapper/209:07:342
29827993418,15cyclictest0-21swapper/207:11:132
29827993412,19cyclictest0-21swapper/211:34:282
29826993415,16cyclictest0-21swapper/111:40:221
29825993412,19cyclictest0-21swapper/011:00:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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