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2025-11-27 - 04:03
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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 Nov 27, 2025 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
514521280,1sleep326955-21stress21:32:193
8525212155,59sleep20-21swapper/219:08:522
8511211451,23sleep30-21swapper/319:08:393
8284211451,58sleep10-21swapper/119:05:531
8300211353,55sleep00-21swapper/019:06:040
289962850,2sleep226954-21stress22:25:342
872499419,18cyclictest0-21swapper/100:27:521
8725994016,21cyclictest0-21swapper/222:10:392
8725994013,24cyclictest0-21swapper/222:37:272
8725994013,24cyclictest0-21swapper/222:37:272
872499408,29cyclictest0-21swapper/123:01:221
8725993916,20cyclictest0-21swapper/200:37:172
8725993915,21cyclictest0-21swapper/223:36:382
8726993811,24cyclictest0-21swapper/300:05:293
8725993817,18cyclictest0-21swapper/221:22:482
8725993815,20cyclictest0-21swapper/222:41:092
8725993813,22cyclictest0-21swapper/223:23:092
872499389,26cyclictest0-21swapper/122:27:571
8724993814,21cyclictest0-21swapper/123:55:591
311882385,13sleep20-21swapper/219:56:312
267972385,13sleep10-21swapper/119:46:081
180172385,13sleep20-21swapper/219:26:442
135192385,13sleep20-21swapper/219:15:572
132062385,13sleep30-21swapper/320:35:183
872699378,26cyclictest0-21swapper/321:40:263
8726993714,21cyclictest0-21swapper/322:05:183
872599378,27cyclictest0-21swapper/221:55:102
8725993715,19cyclictest0-21swapper/223:15:282
8725993713,21cyclictest0-21swapper/223:10:192
872499377,27cyclictest0-21swapper/122:49:291
8724993713,21cyclictest0-21swapper/122:30:061
40942370,1sleep026957-21stress23:59:400
290322375,13sleep30-21swapper/319:51:313
244122375,13sleep10-21swapper/121:01:581
203312375,13sleep20-21swapper/219:32:542
181352375,13sleep00-21swapper/019:28:100
156712375,13sleep20-21swapper/220:43:112
103792375,13sleep20-21swapper/220:25:462
872699369,24cyclictest0-21swapper/322:45:533
8726993616,17cyclictest0-21swapper/321:25:273
8726993614,20cyclictest0-21swapper/323:20:283
8726993614,20cyclictest0-21swapper/323:00:223
8725993617,16cyclictest0-21swapper/223:48:272
8725993617,16cyclictest0-21swapper/222:06:072
8725993616,18cyclictest0-21swapper/221:47:342
8725993615,18cyclictest0-21swapper/221:53:312
8725993613,20cyclictest0-21swapper/200:15:192
8725993613,20cyclictest0-21swapper/200:15:182
8725993611,22cyclictest0-21swapper/221:10:362
8724993615,18cyclictest0-21swapper/122:21:491
8724993614,19cyclictest0-21swapper/122:50:171
77532365,13sleep10-21swapper/120:19:081
33152365,13sleep30-21swapper/320:08:553
314572365,12sleep30-21swapper/319:59:533
267072365,13sleep00-21swapper/021:08:150
223902365,12sleep30-21swapper/320:58:473
198682365,13sleep10-21swapper/120:50:311
157852365,13sleep10-21swapper/119:21:261
132382365,13sleep20-21swapper/220:35:412
106162365,13sleep00-21swapper/020:28:400
8726993514,15cyclictest0-21swapper/321:45:273
8726993512,20cyclictest0-21swapper/321:35:243
8725993516,16cyclictest0-21swapper/223:30:222
8725993512,20cyclictest0-21swapper/223:40:062
8725993512,20cyclictest0-21swapper/223:40:062
872499357,25cyclictest0-21swapper/122:19:141
8724993513,19cyclictest0-21swapper/121:50:191
8724993510,22cyclictest0-21swapper/123:46:191
8722993516,16cyclictest0-21swapper/022:19:330
8722993516,16cyclictest0-21swapper/021:29:510
8722993514,19cyclictest0-21swapper/021:18:140
8722993514,19cyclictest0-21swapper/021:18:140
8722993514,18cyclictest0-21swapper/023:50:260
8722993513,19cyclictest0-21swapper/000:11:020
8722993511,21cyclictest0-21swapper/022:33:040
53842355,13sleep00-21swapper/020:12:090
269272355,10sleep20-21swapper/219:47:292
225702355,11sleep30-21swapper/319:37:513
224282355,12sleep00-21swapper/019:36:080
179512355,12sleep10-21swapper/119:25:591
157192355,13sleep30-21swapper/320:43:483
8726993415,17cyclictest0-21swapper/321:15:243
8726993415,17cyclictest0-21swapper/321:15:243
8726993414,18cyclictest0-21swapper/323:26:003
8726993412,20cyclictest0-21swapper/322:00:343
8726993410,17cyclictest0-21swapper/300:13:293
872599349,22cyclictest0-21swapper/221:30:242
8725993415,17cyclictest0-21swapper/200:00:222
8725993412,19cyclictest0-21swapper/200:05:132
8724993410,22cyclictest0-21swapper/120:40:171
8724993410,21cyclictest0-21swapper/100:16:021
8724993410,21cyclictest0-21swapper/100:16:021
8722993416,15cyclictest0-21swapper/023:41:000
8722993416,15cyclictest0-21swapper/023:41:000
8722993416,15cyclictest0-21swapper/021:30:490
8722993416,15cyclictest0-21swapper/000:15:340
8722993416,15cyclictest0-21swapper/000:15:340
8722993415,16cyclictest0-21swapper/023:10:000
8722993411,20cyclictest0-21swapper/021:45:040
8722993410,21cyclictest0-21swapper/019:10:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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