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2025-12-14 - 18:59
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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 Sun Dec 14, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911770,4ptp4l401ktimersoftd/307:06:303
254812810,2sleep30-21swapper/309:11:183
86352780,2sleep10-21swapper/109:41:271
7142630,3sleep30-21swapper/311:41:283
7142630,3sleep30-21swapper/311:41:283
106891600,1ptp4l401ktimersoftd/309:56:233
106891600,1ptp4l401ktimersoftd/309:56:233
32119995529,4cyclictest41-21ksoftirqd/308:21:043
32119995327,7cyclictest41-21ksoftirqd/312:11:393
106891530,1ptp4l401ktimersoftd/311:53:473
32119995230,12cyclictest41-21ksoftirqd/310:21:243
32119995227,4cyclictest41-21ksoftirqd/312:21:103
32119995123,4cyclictest41-21ksoftirqd/308:26:213
32119995020,5cyclictest41-21ksoftirqd/312:06:433
3211999501,3cyclictest2057-21systemd-cgroups07:16:033
32119994926,6cyclictest41-21ksoftirqd/312:01:373
32119994922,4cyclictest41-21ksoftirqd/310:06:263
32119994921,4cyclictest41-21ksoftirqd/307:26:373
32119994919,9cyclictest41-21ksoftirqd/310:36:253
32119994919,4cyclictest41-21ksoftirqd/311:11:093
3211599490,9cyclictest321ktimersoftd/210:16:282
32119994825,4cyclictest41-21ksoftirqd/308:06:313
32119994824,4cyclictest41-21ksoftirqd/310:56:223
32119994824,4cyclictest41-21ksoftirqd/309:16:273
32119994823,4cyclictest41-21ksoftirqd/308:36:193
32119994821,7cyclictest41-21ksoftirqd/309:21:283
3211599483,7cyclictest22648-21apt-get09:06:052
32119994737,3cyclictest41-21ksoftirqd/307:51:273
32119994718,8cyclictest41-21ksoftirqd/309:41:243
32119994718,8cyclictest41-21ksoftirqd/309:06:273
32119994717,7cyclictest41-21ksoftirqd/312:41:103
3211599476,6cyclictest33-21ksoftirqd/211:51:242
3211599471,8cyclictest321ktimersoftd/210:26:212
32115994718,9cyclictest33-21ksoftirqd/208:56:272
3211599471,6cyclictest321ktimersoftd/211:06:302
3211599470,9cyclictest321ktimersoftd/210:01:272
3211599470,8cyclictest321ktimersoftd/210:56:252
3211599470,7cyclictest321ktimersoftd/212:26:382
3211599470,10cyclictest321ktimersoftd/209:46:242
3211999465,8cyclictest41-21ksoftirqd/309:01:283
32119994636,3cyclictest41-21ksoftirqd/311:36:303
32119994633,3cyclictest41-21ksoftirqd/308:41:283
32119994631,3cyclictest41-21ksoftirqd/312:26:273
32119994627,3cyclictest41-21ksoftirqd/310:41:253
32119994623,3cyclictest41-21ksoftirqd/311:46:253
32119994623,3cyclictest41-21ksoftirqd/311:46:253
32119994623,3cyclictest41-21ksoftirqd/311:11:303
32119994623,3cyclictest41-21ksoftirqd/308:31:233
32119994623,3cyclictest41-21ksoftirqd/308:21:223
32119994622,7cyclictest41-21ksoftirqd/311:16:383
32119994622,3cyclictest41-21ksoftirqd/312:31:233
32119994621,6cyclictest41-21ksoftirqd/310:51:263
32119994621,4cyclictest41-21ksoftirqd/307:41:153
32119994621,3cyclictest41-21ksoftirqd/310:26:273
32119994618,4cyclictest41-21ksoftirqd/308:01:303
32119994618,4cyclictest41-21ksoftirqd/308:01:303
32119994617,8cyclictest41-21ksoftirqd/309:31:203
32119994615,9cyclictest41-21ksoftirqd/307:16:033
3211599464,7cyclictest33-21ksoftirqd/211:36:082
3211599463,7cyclictest321ktimersoftd/212:31:252
32115994613,4cyclictest33-21ksoftirqd/207:41:262
32115994612,4cyclictest33-21ksoftirqd/208:11:232
32115994611,8cyclictest33-21ksoftirqd/208:53:502
3211599460,9cyclictest321ktimersoftd/212:21:372
3211599460,8cyclictest321ktimersoftd/211:26:322
3211599460,7cyclictest321ktimersoftd/210:41:322
3211599460,7cyclictest321ktimersoftd/210:16:072
3211999455,7cyclictest41-21ksoftirqd/309:26:343
32119994531,4cyclictest41-21ksoftirqd/310:11:233
32119994530,6cyclictest41-21ksoftirqd/311:21:323
32119994523,7cyclictest41-21ksoftirqd/308:11:333
32119994523,3cyclictest41-21ksoftirqd/308:56:233
32119994521,4cyclictest41-21ksoftirqd/310:16:303
32119994520,4cyclictest41-21ksoftirqd/309:56:063
32119994519,5cyclictest41-21ksoftirqd/308:51:203
32119994512,4cyclictest41-21ksoftirqd/311:31:233
3211599457,8cyclictest33-21ksoftirqd/211:16:082
3211599456,9cyclictest33-21ksoftirqd/211:16:382
3211599456,7cyclictest33-21ksoftirqd/210:06:232
3211599456,7cyclictest33-21ksoftirqd/208:26:042
3211599452,7cyclictest33-21ksoftirqd/209:06:332
3211599452,7cyclictest321ktimersoftd/211:36:252
3211599452,6cyclictest321ktimersoftd/211:21:262
3211599451,6cyclictest33-21ksoftirqd/207:11:032
3211599450,8cyclictest321ktimersoftd/211:56:202
32119994433,3cyclictest41-21ksoftirqd/307:36:333
32119994423,7cyclictest41-21ksoftirqd/307:56:313
32119994423,7cyclictest41-21ksoftirqd/307:31:273
32119994423,6cyclictest41-21ksoftirqd/310:46:293
32119994418,14cyclictest41-21ksoftirqd/311:56:273
3211599441,7cyclictest321ktimersoftd/210:36:362
3211599441,7cyclictest321ktimersoftd/208:16:202
3211599440,8cyclictest33-21ksoftirqd/210:01:062
3211599440,8cyclictest33-21ksoftirqd/210:01:062
3211599440,8cyclictest321ktimersoftd/207:21:242
318382444,29sleep10-21swapper/107:08:511
32119994333,3cyclictest41-21ksoftirqd/310:01:373
32119994331,3cyclictest41-21ksoftirqd/308:46:283
32119994320,4cyclictest41-21ksoftirqd/309:46:273
32119994320,4cyclictest41-21ksoftirqd/307:21:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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