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2026-04-16 - 12:49
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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 Thu Apr 16, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26697211552,58sleep20-21swapper/219:07:472
26653211353,21sleep00-21swapper/019:07:120
26545211051,20sleep30-21swapper/319:05:503
2662429251,36sleep10-21swapper/119:06:481
209292600,1sleep014565-21stress21:24:490
2697799455,30cyclictest0-21swapper/221:35:162
2697799425,27cyclictest0-21swapper/222:17:012
26977994116,22cyclictest0-21swapper/221:25:172
313522390,1sleep114567-21stress23:04:241
26977993912,19cyclictest0-21swapper/200:05:292
26977993910,19cyclictest0-21swapper/200:20:322
26977993910,19cyclictest0-21swapper/200:20:322
145272395,13sleep30-21swapper/319:53:393
141642395,14sleep30-21swapper/321:05:533
26977993814,21cyclictest0-21swapper/200:28:372
26977993811,25cyclictest0-21swapper/221:30:202
14172385,13sleep30-21swapper/319:21:193
81412375,13sleep00-21swapper/019:39:130
69752375,13sleep10-21swapper/119:35:161
56082375,13sleep30-21swapper/320:46:243
36562375,13sleep00-21swapper/020:43:480
317462375,12sleep30-21swapper/319:17:143
273892375,12sleep30-21swapper/320:23:193
26977993717,18cyclictest0-21swapper/223:25:262
26977993717,17cyclictest0-21swapper/222:55:352
26977993717,17cyclictest0-21swapper/221:45:222
26977993716,19cyclictest0-21swapper/222:45:202
26977993716,19cyclictest0-21swapper/221:40:282
26977993713,22cyclictest0-21swapper/221:15:122
26977993713,22cyclictest0-21swapper/221:15:122
123602375,13sleep10-21swapper/119:48:161
85592365,13sleep30-21swapper/320:55:133
26977993616,17cyclictest0-21swapper/223:55:112
26977993615,18cyclictest0-21swapper/200:15:352
26977993615,18cyclictest0-21swapper/200:15:342
26977993614,20cyclictest0-21swapper/221:55:332
26977993614,20cyclictest0-21swapper/221:13:582
26977993613,20cyclictest0-21swapper/222:20:262
26977993611,23cyclictest0-21swapper/222:40:272
26976993610,18cyclictest0-21swapper/122:23:251
2697599365,28cyclictest0-21swapper/021:58:360
2697599365,24cyclictest0-21swapper/000:30:200
26975993615,18cyclictest0-21swapper/021:50:500
26975993615,18cyclictest0-21swapper/021:50:500
26975993612,21cyclictest0-21swapper/021:45:030
207772365,12sleep10-21swapper/120:06:201
146162365,12sleep10-21swapper/119:54:451
122162365,12sleep00-21swapper/021:03:170
59282354,12sleep00-21swapper/019:33:190
34342355,13sleep10-21swapper/120:40:571
26978993513,20cyclictest0-21swapper/322:01:073
26978993511,21cyclictest0-21swapper/323:23:003
2697799354,28cyclictest0-21swapper/222:35:012
26977993518,14cyclictest0-21swapper/223:40:172
26977993518,14cyclictest0-21swapper/223:40:172
26977993516,17cyclictest0-21swapper/221:50:212
26977993516,17cyclictest0-21swapper/221:50:202
26977993516,16cyclictest0-21swapper/223:33:402
26977993516,16cyclictest0-21swapper/222:35:242
26977993516,13cyclictest0-21swapper/223:55:022
26977993515,17cyclictest0-21swapper/222:25:122
26977993515,15cyclictest0-21swapper/223:15:122
26977993515,15cyclictest0-21swapper/223:15:122
26977993514,18cyclictest0-21swapper/223:45:212
26976993511,21cyclictest0-21swapper/123:05:381
26975993515,17cyclictest0-21swapper/000:16:310
26975993515,17cyclictest0-21swapper/000:16:300
26975993512,20cyclictest0-21swapper/021:44:210
26975993511,21cyclictest0-21swapper/023:28:590
26975993511,18cyclictest0-21swapper/020:34:500
186532355,13sleep10-21swapper/120:01:181
166282355,10sleep30-21swapper/319:57:473
99622344,12sleep00-21swapper/020:56:520
36002345,12sleep30-21swapper/320:43:073
26978993414,17cyclictest0-21swapper/322:12:473
2697799345,21cyclictest0-21swapper/219:31:442
26977993417,15cyclictest0-21swapper/221:20:172
26977993416,15cyclictest0-21swapper/223:35:192
26977993415,17cyclictest0-21swapper/223:11:232
26977993415,17cyclictest0-21swapper/223:11:232
26977993415,17cyclictest0-21swapper/223:05:272
26977993415,17cyclictest0-21swapper/200:35:122
26977993415,16cyclictest0-21swapper/200:30:362
26977993415,16cyclictest0-21swapper/200:00:132
26977993414,17cyclictest0-21swapper/223:20:202
26977993414,17cyclictest0-21swapper/223:00:282
26976993416,16cyclictest0-21swapper/123:45:241
26976993415,16cyclictest0-21swapper/122:54:031
26976993415,16cyclictest0-21swapper/122:41:361
26976993415,16cyclictest0-21swapper/121:25:321
26976993412,19cyclictest0-21swapper/122:04:051
26976993410,21cyclictest0-21swapper/122:59:011
26975993412,19cyclictest0-21swapper/023:55:210
26975993411,17cyclictest0-21swapper/019:13:190
26975993410,21cyclictest0-21swapper/021:16:510
26975993410,21cyclictest0-21swapper/021:16:510
26975993410,18cyclictest0-21swapper/020:24:500
252232345,10sleep30-21swapper/320:18:013
26978993316,14cyclictest0-21swapper/321:20:263
26978993314,16cyclictest0-21swapper/323:51:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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