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2026-06-22 - 19:13
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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 Jun 22, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1418821400,1sleep130711-21stress12:15:001
9513212056,59sleep20-21swapper/207:06:402
9599211452,21sleep10-21swapper/107:07:441
9449211248,58sleep30-21swapper/307:05:533
975829848,45sleep00-21swapper/007:09:440
988399439,31cyclictest0-21swapper/010:43:360
988399438,32cyclictest0-21swapper/011:54:010
988399438,32cyclictest0-21swapper/011:54:000
9883994310,30cyclictest0-21swapper/010:11:390
9883994211,28cyclictest0-21swapper/009:54:140
988399417,31cyclictest0-21swapper/011:22:390
988399417,31cyclictest0-21swapper/010:18:440
9883994115,24cyclictest0-21swapper/011:40:020
9883994112,19cyclictest0-21swapper/010:35:010
9883994111,27cyclictest0-21swapper/010:54:230
9883994111,27cyclictest0-21swapper/010:54:230
988399407,30cyclictest0-21swapper/011:42:100
9883994015,22cyclictest0-21swapper/010:58:440
9883994015,22cyclictest0-21swapper/010:05:360
9883994015,22cyclictest0-21swapper/010:05:360
9883994015,14cyclictest0-21swapper/009:30:230
9883994015,14cyclictest0-21swapper/009:30:230
9883994014,24cyclictest0-21swapper/011:56:560
9883994011,26cyclictest0-21swapper/011:33:540
9883994011,26cyclictest0-21swapper/011:11:510
9883994011,26cyclictest0-21swapper/010:25:210
9883994010,27cyclictest0-21swapper/009:16:220
988399399,27cyclictest0-21swapper/009:25:230
9883993921,16cyclictest0-21swapper/010:02:510
9883993921,16cyclictest0-21swapper/010:02:510
9883993916,21cyclictest0-21swapper/009:23:120
9883993914,15cyclictest0-21swapper/010:45:270
9883993914,15cyclictest0-21swapper/010:45:260
9883993910,26cyclictest0-21swapper/010:20:400
988699387,28cyclictest0-21swapper/312:35:493
988599385,21cyclictest0-21swapper/212:09:512
988399389,26cyclictest0-21swapper/012:04:360
988399389,26cyclictest0-21swapper/009:37:540
988399388,27cyclictest0-21swapper/011:00:540
9883993821,15cyclictest0-21swapper/012:15:180
9883993814,21cyclictest0-21swapper/009:47:120
9883993811,24cyclictest0-21swapper/012:25:280
9883993811,24cyclictest0-21swapper/012:20:080
43412385,13sleep20-21swapper/208:08:402
262142385,13sleep20-21swapper/208:59:452
238692385,13sleep30-21swapper/308:52:483
988499378,26cyclictest0-21swapper/109:54:341
988399379,25cyclictest0-21swapper/012:35:140
988399375,29cyclictest0-21swapper/011:05:110
9883993712,22cyclictest0-21swapper/012:30:240
9883993712,22cyclictest0-21swapper/012:30:240
87232375,13sleep10-21swapper/108:18:381
86952375,13sleep30-21swapper/308:18:163
65232375,13sleep20-21swapper/208:13:212
303632375,13sleep20-21swapper/209:06:512
299722375,13sleep20-21swapper/207:52:202
280802375,13sleep20-21swapper/209:00:532
278952375,13sleep10-21swapper/107:48:341
237022375,13sleep20-21swapper/208:50:482
216542375,12sleep30-21swapper/308:47:153
214332375,13sleep30-21swapper/307:34:293
20642375,13sleep10-21swapper/108:03:141
195782375,13sleep10-21swapper/108:43:331
193922375,13sleep30-21swapper/308:41:093
192712375,13sleep20-21swapper/207:29:342
150832375,12sleep30-21swapper/308:31:433
150202375,13sleep10-21swapper/108:30:571
147372375,13sleep30-21swapper/307:17:363
129112375,13sleep30-21swapper/308:26:543
108002375,13sleep20-21swapper/208:22:362
988699367,26cyclictest0-21swapper/309:10:213
9885993617,16cyclictest0-21swapper/212:37:542
988499369,19cyclictest0-21swapper/107:15:171
988499366,22cyclictest0-21swapper/110:20:311
988499365,14cyclictest0-21swapper/110:50:161
988499365,14cyclictest0-21swapper/110:50:161
988399367,26cyclictest0-21swapper/012:08:540
322372365,12sleep30-21swapper/307:57:383
304832365,13sleep00-21swapper/009:08:250
280992365,12sleep10-21swapper/109:01:081
217992365,12sleep10-21swapper/108:49:011
195042365,13sleep20-21swapper/208:42:372
173682365,12sleep10-21swapper/108:37:501
172492365,13sleep20-21swapper/208:36:272
108282365,12sleep30-21swapper/308:22:573
9885993516,16cyclictest0-21swapper/212:22:532
9885993516,16cyclictest0-21swapper/210:30:082
9885993516,16cyclictest0-21swapper/210:28:562
988499355,28cyclictest0-21swapper/107:50:141
9883993519,14cyclictest0-21swapper/009:00:260
9883993512,20cyclictest0-21swapper/011:15:310
9883993512,20cyclictest0-21swapper/009:55:110
9883993512,20cyclictest0-21swapper/009:44:470
9883993511,21cyclictest0-21swapper/009:13:100
324202355,10sleep10-21swapper/107:59:451
280912355,13sleep30-21swapper/309:01:033
190582355,13sleep00-21swapper/007:26:520
168512355,13sleep10-21swapper/107:21:201
129682355,10sleep00-21swapper/008:27:390
9886993412,19cyclictest0-21swapper/310:21:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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