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2026-05-04 - 10:49
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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 Mon May 04, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8724211050,21sleep00-21swapper/019:07:110
8604210746,56sleep30-21swapper/319:05:453
8883210346,52sleep20-21swapper/219:09:102
759629445,43sleep10-21swapper/119:05:151
905099415,21cyclictest0-21swapper/200:05:012
9050994011,26cyclictest0-21swapper/223:04:262
9051993921,16cyclictest0-21swapper/321:56:133
9051993917,19cyclictest0-21swapper/300:08:053
95922385,13sleep20-21swapper/220:23:002
95922385,13sleep20-21swapper/220:22:592
9051993823,13cyclictest0-21swapper/322:29:263
9051993823,13cyclictest0-21swapper/322:29:263
9051993818,17cyclictest0-21swapper/322:00:173
9051993816,19cyclictest0-21swapper/321:20:203
9051993816,19cyclictest0-21swapper/321:20:193
164882385,13sleep20-21swapper/219:25:012
9051993716,18cyclictest0-21swapper/323:53:043
904999377,19cyclictest0-21swapper/120:45:011
287522375,13sleep20-21swapper/219:50:362
268062375,12sleep00-21swapper/021:03:000
267932375,12sleep20-21swapper/221:02:502
267512375,12sleep00-21swapper/019:47:140
246152375,13sleep10-21swapper/119:42:201
225852375,13sleep00-21swapper/019:38:560
203252375,13sleep20-21swapper/219:32:472
202862375,13sleep00-21swapper/020:47:230
121602375,13sleep00-21swapper/019:15:060
9051993622,12cyclictest0-21swapper/300:25:103
9051993618,16cyclictest0-21swapper/323:15:293
9051993618,15cyclictest0-21swapper/322:16:393
9051993617,16cyclictest0-21swapper/323:40:293
9051993617,16cyclictest0-21swapper/300:10:183
9051993617,16cyclictest0-21swapper/300:10:183
9051993616,17cyclictest0-21swapper/322:10:113
9051993615,18cyclictest0-21swapper/323:35:173
9051993615,18cyclictest0-21swapper/323:35:173
904999365,15cyclictest0-21swapper/121:59:511
9048993613,17cyclictest0-21swapper/020:00:160
53652365,12sleep10-21swapper/120:14:321
245702365,12sleep10-21swapper/120:56:551
203292365,12sleep20-21swapper/220:47:542
9051993518,14cyclictest0-21swapper/322:58:393
9051993517,16cyclictest0-21swapper/323:55:153
9051993517,15cyclictest0-21swapper/300:17:133
9051993517,15cyclictest0-21swapper/300:04:303
9051993516,17cyclictest0-21swapper/323:33:333
9051993516,17cyclictest0-21swapper/323:33:333
9051993516,17cyclictest0-21swapper/323:25:243
9051993516,17cyclictest0-21swapper/322:52:543
9051993516,16cyclictest0-21swapper/321:40:243
9051993516,16cyclictest0-21swapper/321:27:593
9051993516,16cyclictest0-21swapper/300:30:323
9051993515,17cyclictest0-21swapper/323:45:223
9051993515,17cyclictest0-21swapper/323:00:353
9051993515,17cyclictest0-21swapper/322:05:173
9051993515,17cyclictest0-21swapper/321:50:273
9051993515,17cyclictest0-21swapper/321:50:273
9051993515,17cyclictest0-21swapper/321:30:163
9051993514,18cyclictest0-21swapper/321:10:233
9050993514,18cyclictest0-21swapper/223:47:252
9050993514,18cyclictest0-21swapper/200:30:312
9050993513,19cyclictest0-21swapper/222:03:212
9049993510,12cyclictest0-21swapper/119:10:201
904899359,20cyclictest0-21swapper/021:05:250
904899358,21cyclictest0-21swapper/019:22:310
9048993513,19cyclictest0-21swapper/000:22:540
9048993513,15cyclictest0-21swapper/019:25:370
9048993510,18cyclictest0-21swapper/020:30:230
224412355,13sleep00-21swapper/020:52:090
183292355,13sleep10-21swapper/119:29:301
116112355,10sleep20-21swapper/220:26:292
9051993418,14cyclictest0-21swapper/321:15:153
9051993418,14cyclictest0-21swapper/321:15:143
9051993417,15cyclictest0-21swapper/323:05:283
9051993417,15cyclictest0-21swapper/323:05:283
9051993416,16cyclictest0-21swapper/323:20:123
9051993416,16cyclictest0-21swapper/323:10:283
9051993416,16cyclictest0-21swapper/300:20:093
9051993415,17cyclictest0-21swapper/321:45:153
9051993415,16cyclictest0-21swapper/321:35:253
9051993414,17cyclictest0-21swapper/322:40:013
9050993416,15cyclictest0-21swapper/221:10:172
904999347,24cyclictest0-21swapper/122:13:231
9049993410,21cyclictest0-21swapper/122:35:291
904899345,23cyclictest0-21swapper/020:40:010
50632345,10sleep00-21swapper/020:10:470
309142345,10sleep00-21swapper/019:55:270
291062345,13sleep10-21swapper/119:55:011
251052345,10sleep10-21swapper/119:45:091
224092345,10sleep20-21swapper/220:51:472
9051993316,15cyclictest0-21swapper/322:45:163
9051993316,15cyclictest0-21swapper/322:40:023
9051993315,16cyclictest0-21swapper/322:20:213
9050993315,15cyclictest0-21swapper/200:39:282
9050993314,17cyclictest0-21swapper/222:30:242
9050993314,17cyclictest0-21swapper/222:30:232
9050993314,16cyclictest0-21swapper/222:40:342
9050993313,17cyclictest0-21swapper/221:45:132
9050993310,20cyclictest0-21swapper/221:20:192
9050993310,20cyclictest0-21swapper/221:20:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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