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2026-07-19 - 23:21
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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 Jul 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911630,5ptp4l401ktimersoftd/309:06:473
20282700,1sleep00-21swapper/009:16:280
106891690,1ptp4l401ktimersoftd/314:27:013
106891620,1ptp4l401ktimersoftd/314:01:423
316562610,2sleep30-21swapper/311:51:243
50192600,2sleep20-21swapper/211:24:172
106891600,1ptp4l401ktimersoftd/310:11:373
306382590,2sleep10-21swapper/111:16:411
300312594,10sleep20-21swapper/209:10:092
294042594,41sleep00-21swapper/009:06:350
106891560,1ptp4l401ktimersoftd/314:10:303
106891560,1ptp4l401ktimersoftd/311:38:183
25962520,1sleep00-21swapper/014:06:310
30231995042,5cyclictest25-21ksoftirqd/110:06:241
30231994839,5cyclictest25-21ksoftirqd/110:36:221
30231994824,5cyclictest25-21ksoftirqd/112:46:441
30231994818,9cyclictest25-21ksoftirqd/113:31:321
106891480,2ptp4l12018-21kworker/3:212:35:223
106891480,1ptp4l401ktimersoftd/312:18:573
3023199474,5cyclictest25-21ksoftirqd/114:11:161
30231994717,7cyclictest25-21ksoftirqd/113:26:451
106891470,1ptp4l401ktimersoftd/311:59:273
30231994631,3cyclictest25-21ksoftirqd/109:51:331
297542460,2sleep20-21swapper/214:33:472
106891460,1ptp4l401ktimersoftd/311:20:303
30231994521,4cyclictest25-21ksoftirqd/113:36:291
30231994521,4cyclictest25-21ksoftirqd/111:46:251
30231994520,4cyclictest25-21ksoftirqd/114:41:161
30231994520,4cyclictest25-21ksoftirqd/114:01:311
106891450,1ptp4l401ktimersoftd/310:21:243
30231994438,3cyclictest25-21ksoftirqd/111:11:161
30231994421,4cyclictest25-21ksoftirqd/111:44:291
30231994421,4cyclictest25-21ksoftirqd/111:01:341
3023199441,7cyclictest26232-21ssh14:31:161
3023199435,6cyclictest25-21ksoftirqd/113:46:451
3023199431,3cyclictest121rcu_preempt14:11:311
30231994234,4cyclictest25-21ksoftirqd/109:31:131
30231994234,4cyclictest25-21ksoftirqd/109:31:131
30231994220,4cyclictest25-21ksoftirqd/109:36:301
30231994218,4cyclictest25-21ksoftirqd/112:27:101
106891420,1ptp4l401ktimersoftd/312:52:153
30231994129,10cyclictest25-21ksoftirqd/113:01:141
30231994129,10cyclictest25-21ksoftirqd/113:01:141
3023199412,3cyclictest25-21ksoftirqd/112:42:381
30231994121,7cyclictest25-21ksoftirqd/112:16:251
30231994118,4cyclictest25-21ksoftirqd/113:53:451
30231994112,5cyclictest25-21ksoftirqd/113:26:151
106891410,1ptp4l401ktimersoftd/312:25:383
30231994030,7cyclictest25-21ksoftirqd/111:21:371
30231994025,12cyclictest25-21ksoftirqd/112:36:311
30231994018,3cyclictest25-21ksoftirqd/113:01:301
30231994018,3cyclictest25-21ksoftirqd/113:01:301
30231994017,4cyclictest25-21ksoftirqd/114:34:431
30231994016,4cyclictest25-21ksoftirqd/111:36:441
30231994016,4cyclictest25-21ksoftirqd/110:01:281
3023199401,3cyclictest19314-21/usr/sbin/munin12:11:301
30231994012,7cyclictest25-21ksoftirqd/113:41:351
30231994012,4cyclictest25-21ksoftirqd/113:56:381
30231994011,4cyclictest25-21ksoftirqd/113:11:261
106891400,1ptp4l401ktimersoftd/309:51:223
3023199396,8cyclictest25-21ksoftirqd/110:56:111
3023199395,6cyclictest25-21ksoftirqd/111:51:141
3023199394,6cyclictest25-21ksoftirqd/110:26:111
3023199394,3cyclictest25-21ksoftirqd/110:46:241
30231993920,9cyclictest25-21ksoftirqd/109:46:331
30231993919,8cyclictest25-21ksoftirqd/109:16:241
30231993918,9cyclictest25-21ksoftirqd/113:16:231
30231993917,4cyclictest25-21ksoftirqd/110:26:251
30231993916,4cyclictest25-21ksoftirqd/113:10:581
30231993915,3cyclictest25-21ksoftirqd/114:21:151
30231993912,5cyclictest25-21ksoftirqd/109:21:261
30231993911,5cyclictest25-21ksoftirqd/112:01:421
106891390,1ptp4l401ktimersoftd/313:54:283
106891390,1ptp4l401ktimersoftd/313:04:023
106891390,1ptp4l401ktimersoftd/313:04:023
106891390,1ptp4l401ktimersoftd/312:46:103
106891390,1ptp4l401ktimersoftd/311:31:333
106891390,1ptp4l401ktimersoftd/310:56:423
30231993829,3cyclictest25-21ksoftirqd/111:27:491
3023199382,7cyclictest25-21ksoftirqd/112:06:311
30231993827,9cyclictest25-21ksoftirqd/112:31:421
30231993818,7cyclictest25-21ksoftirqd/111:01:111
30231993815,4cyclictest25-21ksoftirqd/109:41:261
106891380,1ptp4l401ktimersoftd/314:21:193
106891380,1ptp4l401ktimersoftd/313:56:233
106891380,1ptp4l401ktimersoftd/313:49:553
106891380,1ptp4l401ktimersoftd/313:44:483
106891380,1ptp4l401ktimersoftd/313:35:253
106891380,1ptp4l401ktimersoftd/313:26:593
106891380,1ptp4l401ktimersoftd/313:17:583
106891380,1ptp4l401ktimersoftd/312:26:373
106891380,1ptp4l401ktimersoftd/312:11:223
106891380,1ptp4l401ktimersoftd/312:06:153
106891380,1ptp4l401ktimersoftd/311:42:193
106891380,1ptp4l401ktimersoftd/311:12:183
106891380,0ptp4l401ktimersoftd/313:09:143
3023199375,7cyclictest25-21ksoftirqd/114:21:341
30231993731,3cyclictest25-21ksoftirqd/111:36:121
30231993729,4cyclictest22533-21cron10:01:101
30231993725,3cyclictest25-21ksoftirqd/109:11:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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