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2026-05-11 - 08:11
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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 Mon May 11, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2104521770,3sleep01040399cyclictest01:37:360
3276221590,3sleep01040399cyclictest00:42:510
731821480,4sleep11040799cyclictest23:08:131
2030921390,5sleep31041799cyclictest23:55:213
106891980,6ptp4l391rcuc/320:31:183
106891860,1ptp4l401ktimersoftd/301:18:003
159432720,19sleep30-21swapper/320:42:463
274632680,3sleep1231rcuc/100:03:051
101662634,10sleep20-21swapper/220:31:002
47582600,3sleep31041799cyclictest23:38:503
10413996051,4cyclictest33-21ksoftirqd/223:13:012
106891590,1ptp4l401ktimersoftd/322:48:113
10413995951,4cyclictest33-21ksoftirqd/223:43:032
106891580,1ptp4l401ktimersoftd/300:12:203
10413995750,3cyclictest33-21ksoftirqd/223:03:012
106891560,1ptp4l401ktimersoftd/323:22:063
193122550,2sleep20-21swapper/223:21:192
106891550,1ptp4l401ktimersoftd/301:04:243
106891550,1ptp4l401ktimersoftd/300:41:123
10413995546,4cyclictest33-21ksoftirqd/201:48:052
10413995444,5cyclictest33-21ksoftirqd/223:48:032
115972530,2sleep10-21swapper/122:39:301
106891530,1ptp4l401ktimersoftd/300:01:383
10413995344,4cyclictest33-21ksoftirqd/221:07:572
10413995344,4cyclictest33-21ksoftirqd/221:07:572
10413995243,4cyclictest33-21ksoftirqd/201:08:052
271382510,2sleep20-21swapper/200:03:022
75062490,1sleep30-21swapper/301:56:263
10413994840,4cyclictest33-21ksoftirqd/220:37:572
10413994840,4cyclictest33-21ksoftirqd/201:28:042
106891460,2ptp4l7855-21kworker/3:200:02:523
10413994639,3cyclictest33-21ksoftirqd/221:57:522
10413994637,5cyclictest33-21ksoftirqd/222:53:032
10413994637,5cyclictest33-21ksoftirqd/222:53:032
10413994637,5cyclictest33-21ksoftirqd/220:42:562
106891450,1ptp4l401ktimersoftd/301:27:103
10413994536,6cyclictest33-21ksoftirqd/221:42:582
10413994536,5cyclictest33-21ksoftirqd/222:28:022
10413994333,6cyclictest33-21ksoftirqd/221:12:572
106891420,1ptp4l401ktimersoftd/320:34:173
10413994226,3cyclictest33-21ksoftirqd/202:00:172
10413994133,4cyclictest33-21ksoftirqd/200:13:032
106891390,1ptp4l401ktimersoftd/323:33:073
106891380,1ptp4l401ktimersoftd/323:15:583
106891380,1ptp4l401ktimersoftd/322:45:563
106891380,1ptp4l401ktimersoftd/322:13:143
106891380,1ptp4l401ktimersoftd/321:47:593
106891380,1ptp4l401ktimersoftd/301:46:023
106891380,1ptp4l401ktimersoftd/301:29:493
106891380,15ptp4l401ktimersoftd/323:50:583
10413993826,6cyclictest33-21ksoftirqd/221:23:002
10413993825,9cyclictest33-21ksoftirqd/200:18:062
106891370,1ptp4l401ktimersoftd/323:28:083
106891370,1ptp4l401ktimersoftd/323:24:443
106891370,1ptp4l401ktimersoftd/323:06:353
106891370,1ptp4l401ktimersoftd/322:57:133
106891370,1ptp4l401ktimersoftd/322:57:133
106891370,1ptp4l401ktimersoftd/322:42:413
106891370,1ptp4l401ktimersoftd/322:34:193
106891370,1ptp4l401ktimersoftd/301:57:593
106891370,1ptp4l401ktimersoftd/301:49:103
106891370,1ptp4l401ktimersoftd/301:34:183
106891370,1ptp4l401ktimersoftd/301:17:063
106891370,1ptp4l401ktimersoftd/300:57:563
106891370,1ptp4l401ktimersoftd/300:55:533
106891370,1ptp4l401ktimersoftd/300:50:213
106891370,1ptp4l401ktimersoftd/300:46:433
106891370,1ptp4l401ktimersoftd/300:27:313
106891370,1ptp4l401ktimersoftd/300:22:213
106891370,1ptp4l401ktimersoftd/300:13:263
106891370,0ptp4l401ktimersoftd/321:17:403
10413993731,3cyclictest33-21ksoftirqd/201:27:532
10413993714,6cyclictest33-21ksoftirqd/223:33:082
106891360,2ptp4l7855-21kworker/3:200:30:043
106891360,1ptp4l401ktimersoftd/323:44:553
106891360,1ptp4l401ktimersoftd/301:42:113
106891360,1ptp4l401ktimersoftd/301:08:503
106891360,0ptp4l401ktimersoftd/323:00:423
106891360,0ptp4l401ktimersoftd/300:37:423
106891360,0ptp4l401ktimersoftd/300:37:423
10413993625,8cyclictest33-21ksoftirqd/222:32:582
10413993624,9cyclictest33-21ksoftirqd/201:03:232
106891350,1ptp4l401ktimersoftd/320:58:153
10413993516,9cyclictest33-21ksoftirqd/220:33:142
106891340,2ptp4l7855-21kworker/3:222:06:593
106891340,2ptp4l7855-21kworker/3:221:35:343
10413993423,8cyclictest33-21ksoftirqd/223:08:072
10413993327,3cyclictest33-21ksoftirqd/222:48:072
10413993327,3cyclictest33-21ksoftirqd/222:47:492
10413993327,3cyclictest33-21ksoftirqd/222:22:482
10413993320,6cyclictest33-21ksoftirqd/220:52:582
106891320,1ptp4l401ktimersoftd/323:10:383
106891320,0ptp4l401ktimersoftd/321:55:493
10413993227,3cyclictest33-21ksoftirqd/200:48:052
10413993226,3cyclictest33-21ksoftirqd/223:02:492
10413993226,3cyclictest33-21ksoftirqd/221:02:462
10413993219,3cyclictest33-21ksoftirqd/201:38:232
10413993216,3cyclictest33-21ksoftirqd/201:53:092
10413993126,3cyclictest33-21ksoftirqd/223:42:502
10413993125,3cyclictest33-21ksoftirqd/223:23:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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