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2026-03-27 - 21:44
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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 Mar 27, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9704211452,24sleep00-21swapper/007:08:150
9542211456,53sleep20-21swapper/207:06:122
9515211250,56sleep30-21swapper/307:05:533
9567211047,57sleep10-21swapper/107:06:311
9947994310,24cyclictest0-21swapper/009:12:100
9949994114,24cyclictest0-21swapper/210:46:502
9947994110,20cyclictest0-21swapper/008:05:170
994799398,21cyclictest0-21swapper/009:16:380
9947993814,19cyclictest0-21swapper/007:41:390
9947993812,17cyclictest0-21swapper/010:41:460
81202385,13sleep00-21swapper/008:19:170
81202385,13sleep00-21swapper/008:19:170
58892385,14sleep10-21swapper/108:13:121
57102385,13sleep00-21swapper/008:10:590
9949993720,15cyclictest0-21swapper/212:30:342
9949993714,20cyclictest0-21swapper/209:35:272
994799375,25cyclictest0-21swapper/007:20:210
9947993719,16cyclictest0-21swapper/007:10:520
9947993716,20cyclictest0-21swapper/008:20:160
81472375,13sleep10-21swapper/108:19:341
81472375,13sleep10-21swapper/108:19:341
37762375,13sleep10-21swapper/108:08:391
255372375,12sleep30-21swapper/307:44:113
14532375,12sleep30-21swapper/308:01:553
9950993616,17cyclictest0-21swapper/309:31:343
9949993620,14cyclictest0-21swapper/210:30:352
9949993620,14cyclictest0-21swapper/210:30:352
9949993619,15cyclictest0-21swapper/209:50:342
9949993619,15cyclictest0-21swapper/209:50:342
9949993619,14cyclictest0-21swapper/210:15:322
9949993614,19cyclictest0-21swapper/211:00:172
994899365,29cyclictest0-21swapper/111:49:251
994799367,20cyclictest0-21swapper/011:10:280
994799366,15cyclictest0-21swapper/011:06:390
9947993613,21cyclictest0-21swapper/012:25:230
9947993613,16cyclictest0-21swapper/007:47:110
9947993610,16cyclictest0-21swapper/008:40:170
36452365,12sleep30-21swapper/308:07:013
250372365,13sleep10-21swapper/108:56:471
212312365,12sleep30-21swapper/307:33:403
186852365,13sleep30-21swapper/308:42:293
145792365,12sleep30-21swapper/308:34:393
142612365,13sleep10-21swapper/108:30:361
123202365,13sleep10-21swapper/108:28:041
9950993517,15cyclictest0-21swapper/312:04:513
9950993516,17cyclictest0-21swapper/310:02:013
9950993515,17cyclictest0-21swapper/310:35:323
9950993515,17cyclictest0-21swapper/309:25:493
9950993511,21cyclictest0-21swapper/309:10:313
994999358,24cyclictest0-21swapper/211:50:222
9949993520,12cyclictest0-21swapper/212:20:272
9949993519,14cyclictest0-21swapper/210:50:242
9948993514,19cyclictest0-21swapper/109:34:181
994799355,23cyclictest0-21swapper/008:35:060
994799355,20cyclictest0-21swapper/008:25:060
9947993516,16cyclictest0-21swapper/011:38:410
9947993514,19cyclictest0-21swapper/010:16:000
9947993513,20cyclictest0-21swapper/011:02:400
9947993513,16cyclictest0-21swapper/007:50:330
273902355,12sleep30-21swapper/309:04:433
233582355,13sleep10-21swapper/107:38:371
206632355,13sleep10-21swapper/108:45:361
188512355,13sleep10-21swapper/107:25:411
165442355,13sleep10-21swapper/108:37:181
9950993415,16cyclictest0-21swapper/311:55:013
9950993415,16cyclictest0-21swapper/311:35:243
9950993415,16cyclictest0-21swapper/310:05:493
9950993415,16cyclictest0-21swapper/309:50:353
9950993415,16cyclictest0-21swapper/309:50:353
9950993414,18cyclictest0-21swapper/312:30:163
9950993413,19cyclictest0-21swapper/310:40:213
9950993412,20cyclictest0-21swapper/311:21:153
994999349,22cyclictest0-21swapper/210:03:462
994999347,24cyclictest0-21swapper/211:35:342
994999343,28cyclictest0-21swapper/210:43:292
9949993420,12cyclictest0-21swapper/212:15:232
9949993419,13cyclictest0-21swapper/212:25:322
9949993418,14cyclictest0-21swapper/211:14:382
9949993415,17cyclictest0-21swapper/209:30:142
9949993414,18cyclictest0-21swapper/209:23:002
9949993414,18cyclictest0-21swapper/209:23:002
9949993414,17cyclictest0-21swapper/212:12:482
9949993414,17cyclictest0-21swapper/212:12:482
9949993411,20cyclictest0-21swapper/210:20:202
9949993411,15cyclictest0-21swapper/211:15:322
9948993412,19cyclictest0-21swapper/111:27:551
9948993411,20cyclictest0-21swapper/110:33:071
9948993411,20cyclictest0-21swapper/110:33:071
994799349,18cyclictest0-21swapper/008:02:100
994799345,11cyclictest0-21swapper/009:35:230
994799344,16cyclictest0-21swapper/009:55:540
994799344,16cyclictest0-21swapper/009:55:540
9947993419,13cyclictest0-21swapper/008:34:550
9947993415,17cyclictest0-21swapper/011:56:030
9947993415,16cyclictest0-21swapper/009:40:560
9947993414,18cyclictest0-21swapper/010:50:170
9947993413,19cyclictest0-21swapper/011:17:010
9947993410,21cyclictest0-21swapper/012:07:500
9947993410,21cyclictest0-21swapper/009:45:060
57672345,10sleep30-21swapper/308:11:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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