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2026-06-04 - 19:54
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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 Thu Jun 04, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8874211555,55sleep30-21swapper/307:09:033
8618211451,58sleep10-21swapper/107:05:551
8734211351,57sleep00-21swapper/007:07:180
8625210847,56sleep20-21swapper/207:06:002
319352560,1sleep229589-21stress11:43:092
60452470,1sleep129589-21stress10:44:141
905299457,27cyclictest0-21swapper/012:10:250
9052994215,24cyclictest0-21swapper/009:27:390
9052994213,26cyclictest0-21swapper/011:52:530
9054994111,20cyclictest0-21swapper/211:20:182
9052994013,25cyclictest0-21swapper/010:21:220
38042400,1sleep129591-21stress11:51:331
9054993920,16cyclictest0-21swapper/212:29:302
9052993915,22cyclictest0-21swapper/011:06:300
9052993912,24cyclictest0-21swapper/011:45:060
905299389,26cyclictest0-21swapper/012:02:050
905299389,26cyclictest0-21swapper/012:02:050
9052993817,18cyclictest0-21swapper/012:05:090
9052993813,22cyclictest0-21swapper/009:15:260
288842385,13sleep00-21swapper/007:50:330
10532385,12sleep00-21swapper/008:02:480
9054993720,15cyclictest0-21swapper/209:50:132
905399375,25cyclictest0-21swapper/109:06:441
905399375,25cyclictest0-21swapper/108:35:511
905299377,19cyclictest0-21swapper/009:05:220
9052993711,24cyclictest0-21swapper/009:20:300
9052993710,25cyclictest0-21swapper/010:25:140
53602375,13sleep00-21swapper/008:11:350
162242375,13sleep30-21swapper/307:24:343
145952375,13sleep30-21swapper/308:35:033
141372375,12sleep10-21swapper/108:32:371
139892375,12sleep00-21swapper/007:19:060
139242374,13sleep30-21swapper/307:18:163
120442375,13sleep00-21swapper/008:28:310
9058993615,19cyclictest0-21swapper/309:54:543
9054993617,16cyclictest0-21swapper/209:35:332
9054993617,16cyclictest0-21swapper/209:35:332
905299369,18cyclictest0-21swapper/008:15:140
9052993612,21cyclictest0-21swapper/011:40:330
30882365,13sleep30-21swapper/308:05:323
294142365,12sleep30-21swapper/309:08:513
289902365,13sleep10-21swapper/107:51:551
270712365,12sleep30-21swapper/307:49:483
269932365,13sleep10-21swapper/109:00:311
267862365,13sleep00-21swapper/007:46:130
224662365,13sleep30-21swapper/307:36:253
208322365,13sleep10-21swapper/108:49:491
205092364,13sleep30-21swapper/308:45:503
9054993520,13cyclictest0-21swapper/210:45:232
9054993517,15cyclictest0-21swapper/209:56:112
9054993516,16cyclictest0-21swapper/210:30:152
9052993517,17cyclictest0-21swapper/008:20:560
9052993514,19cyclictest0-21swapper/010:15:210
9052993514,19cyclictest0-21swapper/010:15:200
9052993510,18cyclictest0-21swapper/008:50:330
164242355,12sleep00-21swapper/008:38:340
160132355,12sleep10-21swapper/107:22:031
98152345,10sleep30-21swapper/308:22:333
98132345,10sleep10-21swapper/108:22:311
9058993413,18cyclictest0-21swapper/309:22:093
905499345,19cyclictest0-21swapper/207:40:192
9054993420,12cyclictest0-21swapper/209:25:192
9054993419,13cyclictest0-21swapper/211:29:502
9054993419,13cyclictest0-21swapper/210:16:342
9054993419,13cyclictest0-21swapper/210:16:332
9054993419,13cyclictest0-21swapper/210:00:202
9054993416,15cyclictest0-21swapper/212:10:372
9053993414,17cyclictest0-21swapper/109:46:071
905299349,19cyclictest0-21swapper/008:45:010
905299349,18cyclictest0-21swapper/008:45:160
905299349,18cyclictest0-21swapper/007:22:050
905299349,16cyclictest0-21swapper/007:30:220
905299349,16cyclictest0-21swapper/007:30:220
905299345,22cyclictest0-21swapper/009:00:330
270192345,10sleep20-21swapper/209:00:532
249102345,12sleep10-21swapper/108:56:231
227282345,10sleep30-21swapper/308:51:283
204662345,10sleep30-21swapper/307:33:373
204662345,10sleep30-21swapper/307:33:363
185052345,10sleep20-21swapper/208:42:372
183932345,10sleep30-21swapper/308:41:133
181882345,10sleep20-21swapper/207:26:532
141962345,10sleep00-21swapper/008:33:240
905899336,24cyclictest0-21swapper/311:05:083
9058993317,13cyclictest0-21swapper/311:15:033
9058993315,15cyclictest0-21swapper/310:18:273
9058993315,15cyclictest0-21swapper/310:18:273
9058993312,18cyclictest0-21swapper/310:11:143
9058993312,18cyclictest0-21swapper/310:11:133
905499335,21cyclictest0-21swapper/208:15:192
9054993317,14cyclictest0-21swapper/212:39:542
9054993317,14cyclictest0-21swapper/212:39:532
9054993317,14cyclictest0-21swapper/209:15:222
9054993317,13cyclictest0-21swapper/210:50:312
9054993315,15cyclictest0-21swapper/211:32:502
9054993310,20cyclictest0-21swapper/211:05:332
9053993315,15cyclictest0-21swapper/111:09:471
9053993314,16cyclictest0-21swapper/110:25:321
9053993311,19cyclictest0-21swapper/112:25:531
9053993311,19cyclictest0-21swapper/109:20:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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