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2026-03-26 - 02:52
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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 Mar 26, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2730621530,1sleep117501-21stress22:45:361
2911221250,1sleep117501-21stress00:07:051
2911221250,1sleep117501-21stress00:07:051
3233721170,1sleep117501-21stress21:45:001
29900211754,57sleep10-21swapper/119:08:201
748121110,1sleep117501-21stress00:32:381
29774211150,23sleep00-21swapper/019:06:430
29703210276,22sleep30-21swapper/319:05:493
2818729466,23sleep20-21swapper/219:05:082
30139994312,15cyclictest0-21swapper/023:25:020
30139994211,28cyclictest0-21swapper/022:04:480
30139994210,29cyclictest0-21swapper/023:47:290
3013999418,30cyclictest0-21swapper/000:04:280
3013999416,24cyclictest0-21swapper/022:35:130
3013999408,29cyclictest0-21swapper/022:28:220
3013999408,29cyclictest0-21swapper/022:28:220
3013999406,19cyclictest0-21swapper/000:35:120
3013999398,28cyclictest0-21swapper/000:07:360
3013999398,28cyclictest0-21swapper/000:07:350
30144993810,25cyclictest0-21swapper/321:27:143
3013999389,26cyclictest0-21swapper/023:55:150
3013999389,26cyclictest0-21swapper/022:31:170
3013999389,23cyclictest0-21swapper/020:09:020
30139993812,23cyclictest0-21swapper/021:50:300
30139993810,25cyclictest0-21swapper/023:30:210
30139993810,25cyclictest0-21swapper/023:30:210
30139993810,22cyclictest0-21swapper/021:07:030
21122385,13sleep30-21swapper/320:31:273
170762385,14sleep10-21swapper/121:05:461
15062385,13sleep20-21swapper/220:30:222
324442375,13sleep10-21swapper/120:27:041
30144993716,19cyclictest0-21swapper/300:36:003
30144993714,20cyclictest0-21swapper/300:26:093
3013999379,21cyclictest0-21swapper/020:50:280
3013999375,25cyclictest0-21swapper/020:20:060
3013999375,21cyclictest0-21swapper/022:00:010
30139993710,20cyclictest0-21swapper/019:32:030
283782375,12sleep30-21swapper/320:19:563
282312375,13sleep00-21swapper/020:18:010
26712375,13sleep00-21swapper/019:19:300
132342375,13sleep20-21swapper/219:42:142
128532375,13sleep00-21swapper/020:56:300
109872375,13sleep10-21swapper/119:35:391
323512365,12sleep00-21swapper/020:25:550
30144993616,18cyclictest0-21swapper/322:46:563
30144993615,18cyclictest0-21swapper/300:20:303
30144993613,20cyclictest0-21swapper/323:04:073
30144993613,20cyclictest0-21swapper/323:04:073
30142993615,19cyclictest0-21swapper/221:38:142
30142993614,19cyclictest0-21swapper/223:10:362
3013999368,25cyclictest0-21swapper/022:15:160
3013999368,25cyclictest0-21swapper/022:15:160
3013999368,22cyclictest0-21swapper/020:45:370
3013999366,23cyclictest0-21swapper/019:25:240
3013999366,15cyclictest0-21swapper/021:30:240
3013999365,24cyclictest0-21swapper/020:30:180
30139993612,21cyclictest0-21swapper/021:45:230
30139993612,21cyclictest0-21swapper/021:45:230
30139993610,23cyclictest0-21swapper/022:05:090
30139993610,23cyclictest0-21swapper/000:10:160
30139993610,23cyclictest0-21swapper/000:10:160
23982365,12sleep30-21swapper/319:16:083
152352365,12sleep10-21swapper/121:04:331
130592365,12sleep30-21swapper/320:59:093
130102365,12sleep20-21swapper/220:58:332
68912355,10sleep20-21swapper/219:27:582
67322355,12sleep10-21swapper/119:25:571
47692355,10sleep20-21swapper/219:23:292
30144993517,16cyclictest0-21swapper/321:16:213
30144993515,17cyclictest0-21swapper/322:05:253
30144993514,19cyclictest0-21swapper/322:00:203
30144993513,19cyclictest0-21swapper/321:20:063
30142993516,16cyclictest0-21swapper/222:59:162
30142993516,16cyclictest0-21swapper/222:59:162
30142993516,16cyclictest0-21swapper/222:21:282
30142993516,16cyclictest0-21swapper/222:21:282
30142993516,16cyclictest0-21swapper/221:58:462
30142993516,16cyclictest0-21swapper/221:31:472
30142993515,17cyclictest0-21swapper/223:25:392
30142993514,19cyclictest0-21swapper/222:50:062
3014099358,25cyclictest0-21swapper/120:39:041
3013999357,22cyclictest0-21swapper/019:35:500
3013999356,23cyclictest0-21swapper/020:40:060
3013999354,24cyclictest0-21swapper/020:35:210
30139993513,17cyclictest0-21swapper/019:10:030
30139993512,21cyclictest0-21swapper/022:20:240
30139993512,21cyclictest0-21swapper/022:20:230
30139993512,20cyclictest0-21swapper/000:30:120
261192355,14sleep00-21swapper/020:13:120
26102355,12sleep10-21swapper/119:18:431
107882355,12sleep10-21swapper/120:52:141
87012345,10sleep10-21swapper/120:47:571
42362345,12sleep20-21swapper/220:35:552
42172345,10sleep30-21swapper/320:35:403
38612345,13sleep10-21swapper/119:20:191
302582345,12sleep20-21swapper/220:21:362
30144993417,15cyclictest0-21swapper/323:06:343
30144993414,17cyclictest0-21swapper/321:40:343
30144993413,19cyclictest0-21swapper/300:05:253
30144993413,19cyclictest0-21swapper/300:05:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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