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2025-12-14 - 02:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Sat Dec 13, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1871821820,5sleep22873899cyclictest12:25:362
1068911750,5ptp4l401ktimersoftd/307:05:413
1068911750,5ptp4l401ktimersoftd/307:05:413
284512654,10sleep00-21swapper/007:08:150
284512654,10sleep00-21swapper/007:08:150
51092580,3sleep32874899cyclictest07:25:493
28738995623,6cyclictest33-21ksoftirqd/212:20:362
28733995643,7cyclictest25-21ksoftirqd/109:05:441
28738995422,7cyclictest33-21ksoftirqd/208:15:432
28738995418,6cyclictest33-21ksoftirqd/209:04:342
28738995323,5cyclictest33-21ksoftirqd/208:20:592
28738995318,6cyclictest33-21ksoftirqd/209:48:462
28738995224,4cyclictest33-21ksoftirqd/212:35:542
28738995223,5cyclictest33-21ksoftirqd/208:41:122
28738995222,6cyclictest33-21ksoftirqd/211:50:502
28738995222,6cyclictest33-21ksoftirqd/211:10:512
28738995222,6cyclictest33-21ksoftirqd/210:30:542
28738995221,6cyclictest33-21ksoftirqd/210:46:032
28738995221,6cyclictest33-21ksoftirqd/210:46:032
28738995220,8cyclictest33-21ksoftirqd/211:30:362
28738995139,3cyclictest33-21ksoftirqd/208:30:312
28738995123,4cyclictest33-21ksoftirqd/208:45:452
28738995123,4cyclictest33-21ksoftirqd/207:55:472
28738995122,10cyclictest33-21ksoftirqd/210:20:582
28738995121,4cyclictest33-21ksoftirqd/210:41:002
2874899508,6cyclictest41-21ksoftirqd/307:45:523
28748995011,6cyclictest41-21ksoftirqd/312:10:523
28748995011,6cyclictest41-21ksoftirqd/307:20:513
28738995023,11cyclictest33-21ksoftirqd/207:45:502
28738995022,4cyclictest33-21ksoftirqd/211:10:352
28738995022,4cyclictest33-21ksoftirqd/210:25:552
28738995020,6cyclictest33-21ksoftirqd/209:55:582
28738995020,5cyclictest33-21ksoftirqd/212:30:372
28738995019,7cyclictest33-21ksoftirqd/212:10:522
28738995012,3cyclictest33-21ksoftirqd/208:51:022
2874899499,7cyclictest41-21ksoftirqd/312:35:523
2873899497,7cyclictest33-21ksoftirqd/211:35:552
28738994923,4cyclictest33-21ksoftirqd/211:15:572
28738994921,5cyclictest33-21ksoftirqd/210:50:492
28738994921,5cyclictest33-21ksoftirqd/210:50:492
28738994921,4cyclictest33-21ksoftirqd/211:00:352
28738994921,4cyclictest33-21ksoftirqd/207:20:482
28738994920,6cyclictest33-21ksoftirqd/210:35:532
28738994920,6cyclictest33-21ksoftirqd/209:35:542
28738994920,4cyclictest33-21ksoftirqd/209:35:332
28738994919,4cyclictest33-21ksoftirqd/211:01:032
28748994814,9cyclictest41-21ksoftirqd/308:55:513
28748994814,9cyclictest41-21ksoftirqd/308:55:513
2873899489,6cyclictest33-21ksoftirqd/211:45:592
28738994822,4cyclictest33-21ksoftirqd/212:30:572
28738994822,4cyclictest33-21ksoftirqd/208:30:522
28738994820,4cyclictest33-21ksoftirqd/208:15:312
28738994820,4cyclictest33-21ksoftirqd/207:10:372
28738994818,9cyclictest33-21ksoftirqd/207:15:302
28738994818,5cyclictest33-21ksoftirqd/212:10:362
28738994721,9cyclictest33-21ksoftirqd/209:20:522
28738994721,4cyclictest33-21ksoftirqd/209:25:532
28738994720,4cyclictest33-21ksoftirqd/207:30:522
28738994719,9cyclictest33-21ksoftirqd/211:45:362
28738994719,4cyclictest33-21ksoftirqd/207:35:542
28738994719,4cyclictest33-21ksoftirqd/207:30:302
28738994719,10cyclictest33-21ksoftirqd/211:30:562
2874899463,9cyclictest24243-21grep09:11:163
28748994619,4cyclictest41-21ksoftirqd/311:19:473
2874899460,7cyclictest0-21swapper/308:45:473
28738994636,3cyclictest33-21ksoftirqd/208:00:502
28738994620,9cyclictest33-21ksoftirqd/212:00:502
28738994619,4cyclictest33-21ksoftirqd/210:15:492
28738994618,5cyclictest33-21ksoftirqd/210:05:472
28738994611,9cyclictest33-21ksoftirqd/208:35:492
2874899459,5cyclictest41-21ksoftirqd/311:56:263
2874899456,6cyclictest41-21ksoftirqd/308:36:093
2874899456,5cyclictest41-21ksoftirqd/310:48:173
2874899456,5cyclictest41-21ksoftirqd/310:48:173
2874899452,7cyclictest401ktimersoftd/312:06:003
2874899452,7cyclictest18223-21perl09:00:483
28748994518,9cyclictest41-21ksoftirqd/311:35:503
2873899455,5cyclictest33-21ksoftirqd/209:11:062
28738994519,4cyclictest33-21ksoftirqd/211:20:572
28738994519,4cyclictest33-21ksoftirqd/209:15:442
28738994518,4cyclictest33-21ksoftirqd/207:50:542
28738994517,4cyclictest33-21ksoftirqd/210:10:532
28738994517,4cyclictest33-21ksoftirqd/208:55:462
28738994517,4cyclictest33-21ksoftirqd/208:55:462
2874899448,5cyclictest41-21ksoftirqd/307:18:533
2874899445,8cyclictest7479-21grep10:51:053
2874899445,8cyclictest7479-21grep10:51:053
2874899443,8cyclictest29434-21iwlist08:15:493
2874899443,7cyclictest29265-21grep07:10:413
2874899442,8cyclictest17222-21awk11:11:043
2874899442,6cyclictest401ktimersoftd/311:50:553
2874899441,7cyclictest401ktimersoftd/310:26:043
28748994417,8cyclictest41-21ksoftirqd/307:40:423
28748994410,7cyclictest41-21ksoftirqd/310:15:523
110592440,2sleep30-21swapper/307:36:003
2874899434,8cyclictest401ktimersoftd/309:20:503
2874899433,7cyclictest32332-21acpi11:45:483
2874899433,6cyclictest401ktimersoftd/312:01:053
2874899432,6cyclictest401ktimersoftd/310:05:533
2874899432,6cyclictest401ktimersoftd/308:40:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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