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2026-05-20 - 18:20
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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 May 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1646524610,5sleep316470-21unixbench_multi08:33:323
161621770,4sleep31704099cyclictest13:13:253
1526221700,3sleep10-21swapper/108:33:181
106891710,1ptp4l401ktimersoftd/311:49:303
106891710,1ptp4l401ktimersoftd/310:52:493
167952655,10sleep00-21swapper/008:36:330
265562630,2sleep30-21swapper/312:33:233
187482590,5sleep118727-21cron11:53:061
17019995918,10cyclictest9-21ksoftirqd/013:24:420
106891580,1ptp4l401ktimersoftd/312:43:323
106891580,1ptp4l401ktimersoftd/311:07:423
106891580,1ptp4l401ktimersoftd/311:07:423
106891580,1ptp4l401ktimersoftd/310:41:583
169002570,3sleep00-21swapper/012:23:240
17040995642,6cyclictest41-21ksoftirqd/310:58:153
106891560,1ptp4l401ktimersoftd/310:43:323
166312544,10sleep20-21swapper/208:34:252
13152540,2sleep20-21swapper/209:08:302
106891540,1ptp4l401ktimersoftd/309:15:533
106891540,1ptp4l401ktimersoftd/309:15:533
17019995321,7cyclictest9-21ksoftirqd/010:58:240
106891520,1ptp4l401ktimersoftd/313:44:003
17040995140,6cyclictest41-21ksoftirqd/312:03:163
17033995119,7cyclictest33-21ksoftirqd/212:23:252
134832510,2sleep30-21swapper/313:25:543
79332500,1sleep00-21swapper/013:19:410
17033995018,8cyclictest33-21ksoftirqd/210:53:172
17033994920,5cyclictest33-21ksoftirqd/213:33:212
17033994918,8cyclictest33-21ksoftirqd/212:28:272
17019994918,11cyclictest9-21ksoftirqd/011:58:060
106891490,2ptp4l31573-21kworker/3:011:25:273
1703399489,3cyclictest33-21ksoftirqd/211:23:172
17033994839,4cyclictest33-21ksoftirqd/209:48:072
17033994838,4cyclictest33-21ksoftirqd/210:13:162
17033994835,3cyclictest33-21ksoftirqd/211:53:242
17033994817,9cyclictest33-21ksoftirqd/213:53:272
17033994817,9cyclictest33-21ksoftirqd/213:28:302
17033994815,11cyclictest33-21ksoftirqd/212:13:072
17019994840,4cyclictest9-21ksoftirqd/009:48:070
17033994730,4cyclictest33-21ksoftirqd/209:33:182
17033994729,4cyclictest33-21ksoftirqd/213:08:192
17033994719,11cyclictest33-21ksoftirqd/213:58:262
17033994719,11cyclictest33-21ksoftirqd/212:03:332
17033994716,10cyclictest33-21ksoftirqd/213:48:092
17033994712,9cyclictest33-21ksoftirqd/211:29:492
1701999476,8cyclictest9-21ksoftirqd/012:23:060
1701999475,11cyclictest9-21ksoftirqd/010:48:190
106891470,13ptp4l31471-21kworker/3:211:36:363
17033994633,3cyclictest33-21ksoftirqd/208:53:022
17033994628,4cyclictest33-21ksoftirqd/211:38:342
17033994618,6cyclictest33-21ksoftirqd/210:38:162
17033994618,4cyclictest33-21ksoftirqd/210:03:032
17033994616,10cyclictest33-21ksoftirqd/209:53:042
17033994615,6cyclictest33-21ksoftirqd/211:13:252
17019994622,4cyclictest9-21ksoftirqd/010:18:190
17019994621,17cyclictest9-21ksoftirqd/010:33:220
17019994619,4cyclictest9-21ksoftirqd/012:13:070
1703399456,3cyclictest33-21ksoftirqd/212:43:112
1703399455,7cyclictest33-21ksoftirqd/208:48:172
1703399454,6cyclictest33-21ksoftirqd/212:38:302
17033994533,3cyclictest33-21ksoftirqd/213:23:082
17033994520,4cyclictest33-21ksoftirqd/211:05:272
17033994520,4cyclictest33-21ksoftirqd/211:05:272
17033994519,4cyclictest33-21ksoftirqd/212:35:072
17033994517,11cyclictest33-21ksoftirqd/211:48:252
17033994516,6cyclictest33-21ksoftirqd/213:03:082
17033994515,9cyclictest33-21ksoftirqd/213:38:252
17033994515,10cyclictest33-21ksoftirqd/209:18:162
17033994515,10cyclictest33-21ksoftirqd/209:18:162
1703399450,3cyclictest121rcu_preempt13:03:272
17019994522,4cyclictest9-21ksoftirqd/009:23:140
17019994518,4cyclictest9-21ksoftirqd/011:50:450
17019994516,7cyclictest9-21ksoftirqd/011:03:340
17019994516,7cyclictest9-21ksoftirqd/011:03:340
1703399446,6cyclictest33-21ksoftirqd/211:19:112
1703399445,6cyclictest33-21ksoftirqd/210:28:232
1703399445,6cyclictest33-21ksoftirqd/209:38:222
1703399443,7cyclictest33-21ksoftirqd/211:58:182
17033994429,3cyclictest33-21ksoftirqd/212:18:072
17033994420,4cyclictest33-21ksoftirqd/213:13:302
17033994413,8cyclictest33-21ksoftirqd/210:51:332
1701999448,6cyclictest28384-21awk10:08:030
17019994429,3cyclictest9-21ksoftirqd/012:08:210
17019994423,4cyclictest9-21ksoftirqd/010:54:440
17019994421,4cyclictest9-21ksoftirqd/013:45:400
17019994416,9cyclictest9-21ksoftirqd/013:29:350
17019994410,6cyclictest9-21ksoftirqd/011:28:220
106891440,1ptp4l401ktimersoftd/311:13:063
1703399436,6cyclictest33-21ksoftirqd/210:58:472
1703399436,3cyclictest33-21ksoftirqd/209:33:022
1703399435,8cyclictest33-21ksoftirqd/209:03:172
1703399433,7cyclictest33-21ksoftirqd/210:03:172
1703399433,7cyclictest33-21ksoftirqd/209:43:222
17033994337,3cyclictest321ktimersoftd/210:23:202
1703399433,6cyclictest33-21ksoftirqd/211:33:332
17033994334,4cyclictest33-21ksoftirqd/208:38:152
17033994333,3cyclictest33-21ksoftirqd/212:18:242
17033994330,3cyclictest33-21ksoftirqd/213:23:312
17033994313,7cyclictest33-21ksoftirqd/212:53:182
17033994313,7cyclictest33-21ksoftirqd/212:53:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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