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2026-06-04 - 07:44
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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 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32045211452,57sleep00-21swapper/019:08:240
32100211150,56sleep30-21swapper/319:09:063
32119211055,21sleep20-21swapper/219:09:222
31906210250,23sleep10-21swapper/119:06:511
163612750,1sleep22457-21stress00:13:462
163612750,1sleep22457-21stress00:13:452
32290994410,19cyclictest0-21swapper/122:00:191
3228999446,25cyclictest0-21swapper/023:35:010
3228999446,23cyclictest0-21swapper/023:52:100
32289994311,15cyclictest0-21swapper/022:00:320
32290994211,28cyclictest0-21swapper/121:35:231
32290994111,27cyclictest0-21swapper/123:35:231
32290994111,27cyclictest0-21swapper/123:35:221
32290994111,27cyclictest0-21swapper/122:25:001
32290994111,27cyclictest0-21swapper/100:26:091
32289994110,28cyclictest0-21swapper/022:58:490
3229099405,23cyclictest0-21swapper/123:15:321
32290994015,22cyclictest0-21swapper/122:05:201
32290994011,26cyclictest0-21swapper/123:40:111
32290994010,27cyclictest0-21swapper/121:16:431
32290994010,27cyclictest0-21swapper/121:16:431
3228999408,29cyclictest0-21swapper/023:12:580
32289994014,23cyclictest0-21swapper/021:50:160
32289994014,23cyclictest0-21swapper/021:50:160
32289994013,24cyclictest0-21swapper/021:45:090
32289994012,25cyclictest0-21swapper/023:20:230
32289994011,14cyclictest0-21swapper/022:45:340
32291993911,25cyclictest0-21swapper/222:41:462
32290993911,25cyclictest0-21swapper/122:45:031
32290993911,25cyclictest0-21swapper/100:07:141
32290993910,26cyclictest0-21swapper/123:00:221
32290993910,26cyclictest0-21swapper/122:37:201
32290993910,26cyclictest0-21swapper/100:30:091
32290993910,21cyclictest0-21swapper/122:25:051
32290993910,21cyclictest0-21swapper/122:25:051
3228999397,21cyclictest0-21swapper/000:10:480
3228999397,21cyclictest0-21swapper/000:10:470
32289993915,21cyclictest0-21swapper/022:10:110
32289993914,22cyclictest0-21swapper/021:43:520
32289993914,22cyclictest0-21swapper/021:33:000
32289993913,23cyclictest0-21swapper/000:03:000
32290993814,21cyclictest0-21swapper/121:20:321
32290993811,24cyclictest0-21swapper/122:40:191
32290993811,24cyclictest0-21swapper/100:15:581
32290993811,24cyclictest0-21swapper/100:15:571
32290993811,24cyclictest0-21swapper/100:10:061
32290993811,24cyclictest0-21swapper/100:10:061
32290993810,25cyclictest0-21swapper/122:32:511
3228999388,27cyclictest0-21swapper/023:55:110
32289993813,22cyclictest0-21swapper/000:35:220
32289993811,18cyclictest0-21swapper/021:55:060
32289993811,18cyclictest0-21swapper/021:55:050
89202375,13sleep10-21swapper/119:36:321
32291993715,20cyclictest0-21swapper/222:19:502
32291993712,22cyclictest0-21swapper/221:36:112
32290993714,21cyclictest0-21swapper/121:46:011
3228999379,17cyclictest0-21swapper/023:36:400
3228999379,17cyclictest0-21swapper/023:36:400
3228999377,20cyclictest0-21swapper/023:06:530
3228999377,20cyclictest0-21swapper/023:06:520
32289993715,19cyclictest0-21swapper/021:35:060
32289993715,17cyclictest0-21swapper/019:45:070
32289993714,20cyclictest0-21swapper/022:35:030
32289993714,20cyclictest0-21swapper/000:31:360
32289993714,20cyclictest0-21swapper/000:20:020
32289993714,20cyclictest0-21swapper/000:20:010
32289993710,25cyclictest0-21swapper/021:10:280
289142375,13sleep30-21swapper/320:48:393
223872375,13sleep20-21swapper/220:21:042
204542375,13sleep10-21swapper/120:19:071
203692375,12sleep20-21swapper/220:18:042
18572375,12sleep20-21swapper/219:13:242
141052375,13sleep20-21swapper/219:54:182
140512375,13sleep30-21swapper/319:53:383
32290993615,19cyclictest0-21swapper/123:45:391
3228999366,20cyclictest0-21swapper/022:26:330
3228999366,20cyclictest0-21swapper/022:26:330
3228999365,17cyclictest0-21swapper/021:25:360
32289993614,17cyclictest0-21swapper/020:35:050
32289993613,20cyclictest0-21swapper/000:05:100
32289993613,12cyclictest0-21swapper/021:20:220
32289993612,21cyclictest0-21swapper/022:15:070
32289993612,18cyclictest0-21swapper/020:27:410
232392365,12sleep20-21swapper/220:28:262
226272365,12sleep30-21swapper/320:24:053
173772365,13sleep00-21swapper/020:06:020
168662364,13sleep00-21swapper/020:02:540
15592365,12sleep10-21swapper/121:03:261
14902365,10sleep20-21swapper/221:02:342
112222365,13sleep00-21swapper/019:43:280
91322355,12sleep30-21swapper/319:39:153
54052355,12sleep30-21swapper/319:21:553
32295993516,16cyclictest0-21swapper/321:55:183
32295993516,16cyclictest0-21swapper/321:55:173
32295993515,17cyclictest0-21swapper/322:32:293
32291993517,15cyclictest0-21swapper/222:45:432
32291993516,16cyclictest0-21swapper/221:53:132
32291993516,16cyclictest0-21swapper/221:53:132
32291993514,18cyclictest0-21swapper/223:49:092
32291993514,18cyclictest0-21swapper/200:22:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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