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2026-06-01 - 20:04
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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 01, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3794211351,20sleep30-21swapper/307:07:543
3941210951,53sleep20-21swapper/207:09:412
3637210952,52sleep10-21swapper/107:05:551
3808210248,49sleep00-21swapper/007:08:030
407299462,34cyclictest24611-21stress09:43:152
407299462,33cyclictest24611-21stress11:10:232
407299432,31cyclictest24611-21stress11:25:582
4072994315,25cyclictest0-21swapper/212:22:262
4072994315,25cyclictest0-21swapper/212:22:262
407199438,32cyclictest0-21swapper/110:40:531
407099437,25cyclictest0-21swapper/011:22:120
407299422,25cyclictest24611-21stress12:05:352
4072994213,27cyclictest0-21swapper/210:45:292
4071994211,28cyclictest0-21swapper/112:00:511
140772420,1sleep324611-21stress12:27:293
140772420,1sleep324611-21stress12:27:293
407299412,27cyclictest24612-21stress11:50:242
4072994117,21cyclictest0-21swapper/210:40:242
4072994116,22cyclictest0-21swapper/209:59:562
4072994116,22cyclictest0-21swapper/209:59:562
407299407,24cyclictest0-21swapper/207:50:122
407299402,23cyclictest24613-21stress12:10:282
4072994018,19cyclictest0-21swapper/211:55:262
4072994018,19cyclictest0-21swapper/211:55:262
4072994016,21cyclictest0-21swapper/209:50:182
4072994016,21cyclictest0-21swapper/209:20:302
4072994011,27cyclictest0-21swapper/210:00:262
4072994011,27cyclictest0-21swapper/210:00:262
4071994012,25cyclictest0-21swapper/111:48:081
4071994012,25cyclictest0-21swapper/111:48:081
4071994010,27cyclictest0-21swapper/112:25:371
4071994010,27cyclictest0-21swapper/112:25:371
407299395,20cyclictest0-21swapper/209:15:192
4072993917,20cyclictest0-21swapper/210:17:062
4072993916,21cyclictest0-21swapper/211:05:232
4072993916,21cyclictest0-21swapper/210:25:162
4072993915,21cyclictest0-21swapper/210:10:302
4072993914,22cyclictest0-21swapper/210:54:482
4072993912,24cyclictest0-21swapper/212:35:262
4072993912,24cyclictest0-21swapper/212:30:312
407299383,32cyclictest24611-21stress10:59:292
407299382,34cyclictest24613-21stress11:50:012
407299382,34cyclictest24613-21stress11:50:012
407299382,33cyclictest24611-21stress11:30:162
4072993817,19cyclictest0-21swapper/209:35:172
407099389,23cyclictest0-21swapper/008:05:230
4073993715,20cyclictest0-21swapper/310:40:143
4073993713,21cyclictest0-21swapper/310:22:163
4073993713,21cyclictest0-21swapper/310:22:163
407299372,33cyclictest24611-21stress11:40:282
407299372,32cyclictest24613-21stress12:29:172
407299372,32cyclictest24613-21stress12:29:172
4072993716,18cyclictest0-21swapper/212:00:232
4072993715,20cyclictest0-21swapper/212:15:132
4072993714,21cyclictest0-21swapper/209:45:212
4072993714,20cyclictest0-21swapper/210:05:182
4071993710,24cyclictest0-21swapper/111:05:061
407099379,23cyclictest0-21swapper/008:30:050
407099375,25cyclictest0-21swapper/008:10:500
239802375,13sleep30-21swapper/307:51:093
184042375,14sleep30-21swapper/307:40:143
163412373,22sleep024611-21stress11:20:010
112412375,14sleep00-21swapper/007:24:190
407299362,32cyclictest24613-21stress11:35:202
407299362,32cyclictest24611-21stress09:11:252
4072993614,20cyclictest0-21swapper/209:25:292
4072993614,20cyclictest0-21swapper/209:25:292
4072993614,19cyclictest0-21swapper/210:39:002
4072993614,19cyclictest0-21swapper/210:39:002
4071993614,20cyclictest0-21swapper/110:30:161
4071993613,21cyclictest0-21swapper/110:12:591
407099366,24cyclictest0-21swapper/009:05:410
261332365,13sleep30-21swapper/307:55:583
224142365,10sleep00-21swapper/007:50:100
222832365,13sleep30-21swapper/309:03:593
179792365,13sleep00-21swapper/008:54:140
179792365,13sleep00-21swapper/008:54:140
156422365,13sleep00-21swapper/008:47:200
153582365,13sleep30-21swapper/307:31:403
90832355,13sleep10-21swapper/108:31:131
407299355,28cyclictest0-21swapper/208:41:002
4072993514,18cyclictest0-21swapper/209:30:162
4072993513,19cyclictest0-21swapper/211:18:362
4072993512,21cyclictest0-21swapper/210:20:142
4072993512,21cyclictest0-21swapper/210:20:142
4072993511,22cyclictest0-21swapper/210:30:282
407199357,25cyclictest0-21swapper/111:20:261
407099356,17cyclictest0-21swapper/009:35:130
4070993511,18cyclictest0-21swapper/007:37:200
4070993510,22cyclictest0-21swapper/010:30:180
244052355,13sleep10-21swapper/109:08:301
240672354,14sleep10-21swapper/107:52:151
217452355,10sleep10-21swapper/107:45:251
92392345,13sleep30-21swapper/308:33:153
4692344,13sleep10-21swapper/108:13:521
407399348,23cyclictest0-21swapper/311:50:513
407299345,27cyclictest0-21swapper/208:51:002
407299345,27cyclictest0-21swapper/208:51:002
407299345,27cyclictest0-21swapper/207:56:502
407299345,18cyclictest0-21swapper/208:10:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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