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2025-11-23 - 19:36
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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 Sun Nov 23, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24859211954,59sleep00-21swapper/007:07:370
24959211756,56sleep20-21swapper/207:08:482
24915210750,21sleep30-21swapper/307:08:173
2488628557,23sleep10-21swapper/107:07:551
25163994411,30cyclictest0-21swapper/011:56:530
282732430,1sleep328276-21cut10:55:213
25164994213,26cyclictest0-21swapper/110:54:251
25164994114,25cyclictest0-21swapper/110:22:141
25164994112,26cyclictest0-21swapper/109:16:091
25163994117,21cyclictest0-21swapper/011:10:130
25163994117,21cyclictest0-21swapper/011:10:130
25163994110,28cyclictest0-21swapper/010:45:220
25164994013,25cyclictest0-21swapper/111:54:061
25164994013,25cyclictest0-21swapper/111:54:061
2516399409,28cyclictest0-21swapper/010:29:480
2516399409,28cyclictest0-21swapper/010:29:480
2516399409,28cyclictest0-21swapper/009:38:050
25163994010,27cyclictest0-21swapper/011:17:390
25166993910,26cyclictest0-21swapper/310:34:463
25166993910,26cyclictest0-21swapper/310:34:463
25164993915,21cyclictest0-21swapper/111:30:561
25164993915,21cyclictest0-21swapper/110:40:301
25164993915,21cyclictest0-21swapper/110:40:301
2516399398,28cyclictest0-21swapper/009:31:550
2516399397,29cyclictest0-21swapper/011:40:270
25163993912,25cyclictest0-21swapper/012:26:160
25163993912,24cyclictest0-21swapper/012:30:090
25163993911,25cyclictest0-21swapper/012:20:130
25163993911,25cyclictest0-21swapper/012:20:120
84952385,16sleep20-21swapper/207:41:282
62762385,13sleep30-21swapper/307:36:203
25166993815,20cyclictest0-21swapper/309:54:393
25166993814,21cyclictest0-21swapper/309:45:263
25164993815,20cyclictest0-21swapper/109:47:321
25164993810,26cyclictest0-21swapper/112:31:331
2516399389,26cyclictest0-21swapper/011:20:400
25163993815,21cyclictest0-21swapper/010:06:280
25163993812,22cyclictest0-21swapper/012:18:010
195732385,13sleep30-21swapper/308:07:043
86492375,13sleep10-21swapper/107:43:281
70892375,12sleep20-21swapper/208:54:222
70472375,13sleep30-21swapper/308:53:553
40662375,13sleep20-21swapper/207:31:062
307642375,13sleep20-21swapper/208:34:292
305432375,13sleep10-21swapper/108:31:471
285542375,13sleep10-21swapper/108:28:421
269732375,13sleep10-21swapper/107:10:401
26442375,13sleep20-21swapper/208:43:562
26442375,13sleep20-21swapper/208:43:552
26132375,13sleep10-21swapper/108:43:301
26132375,13sleep10-21swapper/108:43:301
2516599376,17cyclictest0-21swapper/212:35:192
25165993711,23cyclictest0-21swapper/210:45:412
2516499379,25cyclictest0-21swapper/112:15:281
25164993716,19cyclictest0-21swapper/110:55:121
25164993715,19cyclictest0-21swapper/111:47:241
25164993715,19cyclictest0-21swapper/111:47:241
25164993715,15cyclictest0-21swapper/112:05:041
25164993715,14cyclictest0-21swapper/111:08:021
25164993714,17cyclictest0-21swapper/112:01:471
2516399379,25cyclictest0-21swapper/012:35:220
2516399379,25cyclictest0-21swapper/011:49:420
2516399379,25cyclictest0-21swapper/011:49:420
25163993716,18cyclictest0-21swapper/010:36:140
240692375,13sleep10-21swapper/108:18:001
218112375,13sleep10-21swapper/108:12:201
195382375,13sleep10-21swapper/108:06:371
172552375,13sleep30-21swapper/308:00:303
152462375,13sleep30-21swapper/307:57:533
129322375,13sleep10-21swapper/107:51:501
71212365,12sleep10-21swapper/108:54:411
62542365,13sleep10-21swapper/107:36:021
41942365,12sleep10-21swapper/107:32:411
37422365,14sleep10-21swapper/110:00:141
322892365,13sleep30-21swapper/307:22:533
299702365,13sleep30-21swapper/307:16:233
2516699369,24cyclictest0-21swapper/311:30:233
2516699369,24cyclictest0-21swapper/310:35:113
25166993615,19cyclictest0-21swapper/310:05:223
25166993610,23cyclictest0-21swapper/309:11:273
25164993615,19cyclictest0-21swapper/109:57:051
25164993614,20cyclictest0-21swapper/111:35:311
25164993611,23cyclictest0-21swapper/109:20:061
25164993610,24cyclictest0-21swapper/110:15:541
2516399369,24cyclictest0-21swapper/012:14:460
25163993615,19cyclictest0-21swapper/010:10:220
25163993615,18cyclictest0-21swapper/009:10:330
25163993613,21cyclictest0-21swapper/009:40:250
25163993611,22cyclictest0-21swapper/009:50:290
25163993610,23cyclictest0-21swapper/011:25:040
220112365,13sleep20-21swapper/208:14:362
194712365,13sleep00-21swapper/008:05:480
122522365,14sleep10-21swapper/109:05:151
107112365,13sleep00-21swapper/007:46:270
4532355,10sleep30-21swapper/308:39:033
4532355,10sleep30-21swapper/308:39:033
3632355,12sleep20-21swapper/208:37:582
3632355,12sleep20-21swapper/208:37:582
324332355,12sleep10-21swapper/107:24:351
270892355,12sleep20-21swapper/207:12:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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