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2026-07-29 - 09:45
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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 Wed Jul 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1043621530,5sleep0447599cyclictest00:35:200
40421470,3sleep1448099cyclictest00:56:571
1068911010,3ptp4l401ktimersoftd/321:11:373
112002800,2sleep00-21swapper/000:01:520
321472790,2sleep10-21swapper/102:03:341
106891720,1ptp4l401ktimersoftd/300:26:213
106891690,1ptp4l401ktimersoftd/301:31:503
4480996858,4cyclictest25-21ksoftirqd/101:16:411
106891680,1ptp4l401ktimersoftd/302:07:373
4488996451,6cyclictest33-21ksoftirqd/202:16:412
41502644,10sleep00-21swapper/021:13:330
162112640,11sleep3401ktimersoftd/300:06:573
162112640,11sleep3401ktimersoftd/300:06:573
126652640,4sleep341-21ksoftirqd/301:43:243
4488996351,5cyclictest33-21ksoftirqd/223:26:402
257682630,2sleep20-21swapper/223:44:152
87392620,2sleep20-21swapper/200:00:252
4480996249,6cyclictest25-21ksoftirqd/122:56:411
235552620,1sleep20-21swapper/200:15:352
4488996150,5cyclictest33-21ksoftirqd/201:51:452
4488996150,5cyclictest33-21ksoftirqd/201:51:452
4488996147,6cyclictest33-21ksoftirqd/222:26:372
4488996050,5cyclictest33-21ksoftirqd/222:51:392
4480996050,4cyclictest25-21ksoftirqd/101:11:441
106891600,1ptp4l401ktimersoftd/302:26:053
3972590,3sleep30-21swapper/322:11:463
4488995846,6cyclictest33-21ksoftirqd/223:36:392
4480995844,7cyclictest25-21ksoftirqd/102:11:461
293422580,2sleep20-21swapper/201:26:572
4488995745,5cyclictest33-21ksoftirqd/202:36:432
4480995645,5cyclictest25-21ksoftirqd/123:41:391
20282540,2sleep10-21swapper/100:26:421
4480995344,4cyclictest25-21ksoftirqd/123:16:391
4488995138,5cyclictest33-21ksoftirqd/222:21:382
4480995039,6cyclictest25-21ksoftirqd/122:36:371
97872490,1sleep10-21swapper/101:41:301
4480994938,5cyclictest25-21ksoftirqd/121:46:361
4480994840,4cyclictest25-21ksoftirqd/122:16:381
4480994840,4cyclictest25-21ksoftirqd/122:16:381
4480994839,4cyclictest25-21ksoftirqd/101:41:431
4488994736,5cyclictest33-21ksoftirqd/221:21:382
4480994727,12cyclictest25-21ksoftirqd/123:36:431
4480994716,8cyclictest25-21ksoftirqd/123:06:441
106891460,1ptp4l19398-21kworker/3:200:34:313
106891460,13ptp4l19398-21kworker/3:202:39:223
448899444,3cyclictest33-21ksoftirqd/200:50:542
4488994337,3cyclictest33-21ksoftirqd/201:16:412
4480994332,5cyclictest25-21ksoftirqd/121:36:351
106891430,1ptp4l401ktimersoftd/302:27:003
106891430,1ptp4l401ktimersoftd/301:28:293
106891430,0ptp4l401ktimersoftd/300:59:123
4488994215,5cyclictest33-21ksoftirqd/222:11:522
4488994215,5cyclictest33-21ksoftirqd/200:01:402
106891420,1ptp4l401ktimersoftd/323:12:503
4488994134,4cyclictest33-21ksoftirqd/202:11:332
4480994121,5cyclictest25-21ksoftirqd/123:56:461
4493994021,4cyclictest41-21ksoftirqd/323:09:063
4488994027,3cyclictest33-21ksoftirqd/200:41:562
4488994015,7cyclictest33-21ksoftirqd/223:31:442
4488994014,8cyclictest33-21ksoftirqd/223:46:402
4488994012,9cyclictest33-21ksoftirqd/223:21:482
106891400,1ptp4l401ktimersoftd/301:06:003
106891400,1ptp4l401ktimersoftd/300:36:463
4488993925,3cyclictest33-21ksoftirqd/223:16:402
4488993917,7cyclictest33-21ksoftirqd/201:40:122
4488993914,4cyclictest33-21ksoftirqd/201:08:072
4480993918,3cyclictest25-21ksoftirqd/122:41:541
106891390,1ptp4l401ktimersoftd/302:43:243
4488993825,7cyclictest33-21ksoftirqd/200:06:522
4488993825,7cyclictest33-21ksoftirqd/200:06:522
4488993817,7cyclictest33-21ksoftirqd/201:46:292
4488993815,7cyclictest33-21ksoftirqd/200:51:592
247812380,2sleep00-21swapper/002:29:150
106891380,1ptp4l401ktimersoftd/323:53:103
106891380,1ptp4l401ktimersoftd/323:29:023
106891380,1ptp4l401ktimersoftd/323:21:583
106891380,1ptp4l401ktimersoftd/302:11:323
106891380,1ptp4l401ktimersoftd/301:47:173
106891380,1ptp4l401ktimersoftd/301:38:513
106891380,1ptp4l401ktimersoftd/301:08:293
106891380,1ptp4l401ktimersoftd/300:15:183
448899379,6cyclictest33-21ksoftirqd/223:11:412
4488993730,3cyclictest22903-21turbostat23:01:262
4488993723,4cyclictest33-21ksoftirqd/202:42:002
4488993711,4cyclictest33-21ksoftirqd/221:56:412
106891370,1ptp4l401ktimersoftd/323:34:313
106891370,1ptp4l401ktimersoftd/323:20:143
106891370,1ptp4l401ktimersoftd/302:35:263
106891370,1ptp4l401ktimersoftd/302:20:033
106891370,1ptp4l401ktimersoftd/302:02:343
106891370,1ptp4l401ktimersoftd/301:59:563
106891370,1ptp4l401ktimersoftd/301:20:253
106891370,1ptp4l401ktimersoftd/300:53:513
106891370,1ptp4l401ktimersoftd/300:49:033
106891370,0ptp4l401ktimersoftd/323:38:443
448899364,6cyclictest121rcu_preempt02:31:452
4488993623,3cyclictest33-21ksoftirqd/201:21:542
4488993622,11cyclictest33-21ksoftirqd/202:24:042
448899361,3cyclictest121rcu_preempt00:36:332
4480993617,7cyclictest25-21ksoftirqd/100:11:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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