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2026-03-13 - 08:34
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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 13, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
359721210,1sleep213410-21stress23:17:202
359721210,1sleep213410-21stress23:17:202
25834211453,55sleep30-21swapper/319:05:453
25834211453,55sleep30-21swapper/319:05:453
26079211252,21sleep10-21swapper/119:08:531
26079211252,21sleep10-21swapper/119:08:531
25836211252,54sleep00-21swapper/019:05:460
25836211252,54sleep00-21swapper/019:05:460
399621060,10sleep02626799cyclictest00:35:190
399621060,10sleep02626799cyclictest00:35:190
2587928959,23sleep20-21swapper/219:06:212
2587928959,23sleep20-21swapper/219:06:212
238892440,1sleep313407-21stress21:33:473
238892440,1sleep313407-21stress21:33:473
26268994310,30cyclictest0-21swapper/123:45:221
2626799428,22cyclictest0-21swapper/023:35:190
26267994228,11cyclictest0-21swapper/023:16:500
26267994228,11cyclictest0-21swapper/023:16:500
26267994114,24cyclictest0-21swapper/022:45:440
26267994013,24cyclictest0-21swapper/022:09:410
9092395,13sleep20-21swapper/220:40:122
317092395,13sleep20-21swapper/220:35:192
26267993914,22cyclictest0-21swapper/022:44:360
26267993914,22cyclictest0-21swapper/022:44:360
26267993912,24cyclictest0-21swapper/022:25:320
2626799385,22cyclictest0-21swapper/000:11:520
26267993810,25cyclictest0-21swapper/000:00:420
155312385,13sleep00-21swapper/019:55:390
131662385,13sleep00-21swapper/021:08:010
131662385,13sleep00-21swapper/021:08:010
130972385,13sleep20-21swapper/221:07:152
130972385,13sleep20-21swapper/221:07:152
7162375,13sleep10-21swapper/120:40:071
26268993713,22cyclictest0-21swapper/123:35:011
2626799377,23cyclictest0-21swapper/020:36:260
26267993714,20cyclictest0-21swapper/023:48:040
26267993713,21cyclictest0-21swapper/023:11:030
26267993713,21cyclictest0-21swapper/023:11:030
26267993713,21cyclictest0-21swapper/021:30:040
26267993713,21cyclictest0-21swapper/021:30:040
26267993712,20cyclictest0-21swapper/020:15:290
109172375,13sleep00-21swapper/021:01:310
88892365,13sleep10-21swapper/120:57:431
73002365,12sleep20-21swapper/219:39:132
50102365,13sleep10-21swapper/119:32:271
26270993621,13cyclictest0-21swapper/321:44:473
26270993621,13cyclictest0-21swapper/300:21:213
26270993621,13cyclictest0-21swapper/300:21:213
26270993621,12cyclictest0-21swapper/321:25:183
26269993612,21cyclictest0-21swapper/222:57:482
26269993612,21cyclictest0-21swapper/222:27:282
26269993611,22cyclictest0-21swapper/223:53:322
26268993613,21cyclictest0-21swapper/100:20:141
26268993613,21cyclictest0-21swapper/100:20:141
26267993614,20cyclictest0-21swapper/000:07:000
26267993613,20cyclictest0-21swapper/022:30:030
26267993612,18cyclictest0-21swapper/020:50:170
26267993612,18cyclictest0-21swapper/019:50:070
262142365,13sleep10-21swapper/120:20:541
197702365,13sleep20-21swapper/220:05:322
91962355,12sleep00-21swapper/019:41:160
286372355,12sleep10-21swapper/120:29:481
281852355,12sleep10-21swapper/119:13:101
26270993521,12cyclictest0-21swapper/323:55:293
26270993519,14cyclictest0-21swapper/323:20:173
26270993519,14cyclictest0-21swapper/323:20:173
26270993519,14cyclictest0-21swapper/321:20:293
26270993517,15cyclictest0-21swapper/323:40:123
26269993516,16cyclictest0-21swapper/223:08:402
26269993515,17cyclictest0-21swapper/221:28:322
2626899358,24cyclictest0-21swapper/100:07:021
2626899355,28cyclictest0-21swapper/120:16:321
26268993510,23cyclictest0-21swapper/123:20:241
26268993510,23cyclictest0-21swapper/123:20:241
2626799357,22cyclictest0-21swapper/020:48:580
2626799356,23cyclictest0-21swapper/019:33:260
2626799356,18cyclictest0-21swapper/023:25:010
2626799356,18cyclictest0-21swapper/023:25:010
2626799356,14cyclictest0-21swapper/021:42:550
2626799355,23cyclictest0-21swapper/020:55:240
26267993515,18cyclictest0-21swapper/022:15:390
26267993513,19cyclictest0-21swapper/021:35:320
26267993510,23cyclictest0-21swapper/019:15:240
199252355,13sleep10-21swapper/120:07:271
7392345,13sleep20-21swapper/219:23:172
73682345,10sleep00-21swapper/019:39:590
66112345,10sleep30-21swapper/320:50:563
46532345,10sleep20-21swapper/220:48:182
28842345,10sleep30-21swapper/319:27:433
26270993420,12cyclictest0-21swapper/323:45:323
26270993420,12cyclictest0-21swapper/322:45:233
26270993420,12cyclictest0-21swapper/322:01:433
26270993420,12cyclictest0-21swapper/322:01:433
26270993420,12cyclictest0-21swapper/321:35:133
26270993419,13cyclictest0-21swapper/300:25:243
26270993415,16cyclictest0-21swapper/322:11:013
26270993414,17cyclictest0-21swapper/300:30:353
26270993414,17cyclictest0-21swapper/300:30:353
26270993413,18cyclictest0-21swapper/322:35:343
2626999348,23cyclictest0-21swapper/223:01:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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