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2026-06-30 - 20:10
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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 Tue Jun 30, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2856211757,20sleep20-21swapper/207:08:542
2879211553,21sleep10-21swapper/107:09:091
2830211353,55sleep00-21swapper/007:08:360
266129166,20sleep30-21swapper/307:06:423
314022710,2sleep023995-21stress11:55:010
3073994514,19cyclictest0-21swapper/210:39:342
3074994115,18cyclictest0-21swapper/309:23:073
3074994114,25cyclictest0-21swapper/309:46:303
307299416,25cyclictest0-21swapper/111:55:121
3074994011,26cyclictest0-21swapper/309:53:193
3074994011,26cyclictest0-21swapper/309:53:193
307199408,24cyclictest0-21swapper/007:57:060
3071994019,15cyclictest0-21swapper/007:35:320
307499397,29cyclictest0-21swapper/311:00:353
307499397,29cyclictest0-21swapper/311:00:353
3074993911,25cyclictest0-21swapper/312:31:093
3073993910,16cyclictest0-21swapper/210:16:572
3073993910,16cyclictest0-21swapper/210:16:572
3071993917,20cyclictest0-21swapper/008:30:370
39302385,13sleep20-21swapper/208:20:362
307499389,27cyclictest0-21swapper/311:35:173
307499389,27cyclictest0-21swapper/311:35:173
307499388,27cyclictest0-21swapper/311:30:373
3074993812,24cyclictest0-21swapper/311:51:073
3074993810,20cyclictest0-21swapper/309:19:583
307299386,18cyclictest0-21swapper/111:54:361
307199385,17cyclictest0-21swapper/012:35:270
3071993816,17cyclictest0-21swapper/008:25:230
3071993815,17cyclictest0-21swapper/011:05:330
3071993814,21cyclictest0-21swapper/010:45:380
3071993814,21cyclictest0-21swapper/010:45:380
236732385,13sleep20-21swapper/209:07:042
235492385,13sleep30-21swapper/309:05:323
124442385,13sleep20-21swapper/207:28:472
62002375,13sleep20-21swapper/208:26:052
3074993715,20cyclictest0-21swapper/310:35:483
3074993715,16cyclictest0-21swapper/309:25:063
3074993713,17cyclictest0-21swapper/311:40:323
3074993711,23cyclictest0-21swapper/309:55:043
3074993711,23cyclictest0-21swapper/309:32:593
307399378,26cyclictest0-21swapper/212:02:222
307199379,17cyclictest0-21swapper/008:15:060
3071993713,21cyclictest0-21swapper/010:30:310
239172370,2sleep123995-21stress10:20:361
215962375,12sleep30-21swapper/309:03:083
194622375,13sleep20-21swapper/208:58:462
192702375,13sleep00-21swapper/008:56:150
16832375,12sleep30-21swapper/308:16:043
127162375,12sleep30-21swapper/308:41:223
49322364,13sleep30-21swapper/307:11:283
307499369,25cyclictest0-21swapper/311:15:133
307499369,24cyclictest0-21swapper/311:25:323
3074993610,23cyclictest0-21swapper/312:00:413
307299365,17cyclictest0-21swapper/110:35:131
3072993616,17cyclictest0-21swapper/109:12:441
3072993616,17cyclictest0-21swapper/109:12:441
307199367,23cyclictest0-21swapper/008:07:060
307199364,19cyclictest23994-21stress12:26:460
307199363,17cyclictest0-21swapper/010:55:150
307199363,17cyclictest0-21swapper/010:55:150
231662365,13sleep10-21swapper/107:51:321
211142365,13sleep10-21swapper/107:48:031
211142365,13sleep10-21swapper/107:48:031
192532365,12sleep30-21swapper/308:56:023
171452364,13sleep30-21swapper/308:51:493
17092365,12sleep20-21swapper/208:16:192
168222365,13sleep10-21swapper/107:38:291
149512365,12sleep30-21swapper/308:46:523
103632365,13sleep00-21swapper/007:24:520
84262355,12sleep30-21swapper/308:31:523
3074993513,20cyclictest0-21swapper/310:20:133
3073993512,20cyclictest0-21swapper/211:10:372
3073993511,21cyclictest0-21swapper/212:33:042
307199353,20cyclictest0-21swapper/008:00:160
307199353,19cyclictest0-21swapper/008:35:060
3071993515,14cyclictest0-21swapper/007:45:280
3071993515,14cyclictest0-21swapper/007:45:280
3071993514,18cyclictest0-21swapper/011:40:300
252842355,12sleep10-21swapper/107:55:411
187472354,12sleep30-21swapper/307:40:273
122332355,12sleep10-21swapper/107:26:061
107742355,10sleep20-21swapper/208:39:052
65142344,12sleep30-21swapper/308:29:593
307499349,23cyclictest0-21swapper/311:06:393
307499349,22cyclictest0-21swapper/310:00:123
3074993412,19cyclictest0-21swapper/309:35:213
3074993412,19cyclictest0-21swapper/309:35:213
3073993415,16cyclictest0-21swapper/209:54:202
3073993415,16cyclictest0-21swapper/209:54:202
3072993419,13cyclictest0-21swapper/108:16:071
3072993415,17cyclictest0-21swapper/109:57:551
307199346,19cyclictest0-21swapper/008:47:360
307199346,15cyclictest0-21swapper/007:15:160
307199344,27cyclictest0-21swapper/010:00:090
307199343,20cyclictest0-21swapper/007:50:520
3071993415,17cyclictest0-21swapper/009:07:370
3071993414,17cyclictest0-21swapper/009:31:400
3071993411,17cyclictest0-21swapper/008:40:220
189562345,10sleep10-21swapper/107:43:061
121842345,12sleep00-21swapper/007:25:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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