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2026-07-08 - 21:35
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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 Wed Jul 08, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
791321260,1sleep317564-21stress12:29:213
297321240,1sleep017562-21stress11:03:300
297321240,1sleep017562-21stress11:03:290
28314211955,23sleep20-21swapper/207:05:402
28506211452,57sleep00-21swapper/007:08:030
28525211253,20sleep30-21swapper/307:08:153
28376211250,21sleep10-21swapper/107:06:281
2035321120,1sleep217564-21stress11:42:172
33842680,1sleep317564-21stress12:17:333
28764994015,23cyclictest0-21swapper/311:19:573
2876299399,27cyclictest0-21swapper/110:22:151
56452385,13sleep20-21swapper/207:25:552
319182385,13sleep20-21swapper/208:25:342
28764993816,19cyclictest0-21swapper/309:23:213
28764993815,20cyclictest0-21swapper/311:20:073
28764993814,21cyclictest0-21swapper/311:30:143
212652385,13sleep20-21swapper/208:04:442
103022385,13sleep10-21swapper/107:39:131
6182375,13sleep10-21swapper/107:15:221
43072375,13sleep10-21swapper/108:39:321
41592375,13sleep20-21swapper/208:37:442
35862375,13sleep20-21swapper/207:22:302
2876499379,25cyclictest0-21swapper/311:25:083
28764993715,19cyclictest0-21swapper/311:35:313
28764993715,19cyclictest0-21swapper/310:25:023
28764993715,19cyclictest0-21swapper/310:10:523
28764993714,20cyclictest0-21swapper/309:25:183
28764993713,21cyclictest0-21swapper/312:35:223
28764993713,21cyclictest0-21swapper/310:15:053
28763993710,24cyclictest0-21swapper/211:36:582
2876299379,26cyclictest0-21swapper/109:50:301
2876299379,26cyclictest0-21swapper/109:50:301
2876299379,13cyclictest0-21swapper/110:50:371
2876299378,26cyclictest0-21swapper/111:06:001
28762993712,22cyclictest0-21swapper/109:10:591
28762993712,22cyclictest0-21swapper/109:10:591
28761993720,15cyclictest0-21swapper/007:41:210
276522375,13sleep20-21swapper/208:17:282
173712375,13sleep10-21swapper/109:08:431
171172375,13sleep20-21swapper/209:05:382
130512375,13sleep20-21swapper/208:59:412
128022375,13sleep10-21swapper/108:56:391
63662365,13sleep00-21swapper/008:42:310
59822365,12sleep30-21swapper/307:29:403
56392365,12sleep10-21swapper/107:25:491
34452365,13sleep10-21swapper/107:20:441
28764993616,18cyclictest0-21swapper/310:55:193
28764993616,18cyclictest0-21swapper/310:55:193
28764993613,20cyclictest0-21swapper/310:00:273
28763993616,17cyclictest0-21swapper/210:40:532
28763993612,21cyclictest0-21swapper/209:18:572
28763993612,21cyclictest0-21swapper/209:18:562
2876199368,26cyclictest0-21swapper/008:54:510
2876199365,22cyclictest0-21swapper/009:04:090
28761993615,19cyclictest0-21swapper/008:34:500
28761993614,19cyclictest0-21swapper/009:30:240
28761993610,21cyclictest0-21swapper/008:38:280
234262365,13sleep00-21swapper/008:09:360
232382365,12sleep30-21swapper/308:07:173
167222365,13sleep00-21swapper/007:52:190
13162365,12sleep00-21swapper/007:17:270
322292355,13sleep30-21swapper/308:29:063
28764993515,17cyclictest0-21swapper/312:30:173
28764993515,17cyclictest0-21swapper/311:50:183
28764993514,19cyclictest0-21swapper/310:25:043
28764993514,19cyclictest0-21swapper/310:25:043
28764993514,18cyclictest0-21swapper/309:56:163
28764993514,18cyclictest0-21swapper/309:56:153
28764993513,19cyclictest0-21swapper/309:15:173
28764993513,19cyclictest0-21swapper/309:15:163
28763993516,17cyclictest0-21swapper/212:20:352
28763993516,17cyclictest0-21swapper/209:48:462
28763993516,17cyclictest0-21swapper/209:48:462
28763993515,18cyclictest0-21swapper/211:12:332
28763993515,17cyclictest0-21swapper/210:55:022
28763993512,20cyclictest0-21swapper/210:49:042
28763993511,21cyclictest0-21swapper/209:40:512
2876299357,15cyclictest0-21swapper/111:50:231
2876299357,15cyclictest0-21swapper/111:25:361
2876199358,25cyclictest0-21swapper/008:48:300
28761993519,15cyclictest0-21swapper/007:48:510
210912355,13sleep00-21swapper/008:02:380
173932355,13sleep00-21swapper/009:08:570
172182355,12sleep30-21swapper/309:06:573
159042355,10sleep10-21swapper/107:50:201
124112355,10sleep20-21swapper/207:43:312
109062355,10sleep10-21swapper/108:54:591
103312355,12sleep30-21swapper/307:39:343
78422345,12sleep30-21swapper/307:30:493
34742345,12sleep30-21swapper/307:21:063
2876499346,26cyclictest0-21swapper/310:35:253
28764993414,18cyclictest0-21swapper/311:40:153
28764993413,19cyclictest0-21swapper/312:05:533
28764993413,19cyclictest0-21swapper/312:05:523
28764993413,18cyclictest0-21swapper/312:10:333
28764993413,18cyclictest0-21swapper/312:10:323
2876399345,15cyclictest0-21swapper/210:05:222
28763993416,16cyclictest0-21swapper/212:25:052
28763993416,16cyclictest0-21swapper/210:01:592
28763993415,17cyclictest0-21swapper/212:05:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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