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2025-12-04 - 09:38
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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 Thu Dec 04, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911050,4ptp4l401ktimersoftd/320:19:593
279592620,7sleep2311rcuc/201:34:142
24554996151,5cyclictest41-21ksoftirqd/320:34:063
24554996149,6cyclictest41-21ksoftirqd/301:44:133
24541996017,10cyclictest25-21ksoftirqd/100:44:141
24541995926,4cyclictest25-21ksoftirqd/120:32:031
24541995926,4cyclictest25-21ksoftirqd/120:32:031
24554995824,9cyclictest41-21ksoftirqd/300:54:323
177391580,1ptp4l401ktimersoftd/323:11:423
177391580,1ptp4l401ktimersoftd/321:34:133
24541995748,4cyclictest25-21ksoftirqd/121:54:091
24541995728,4cyclictest25-21ksoftirqd/120:43:371
24554995645,5cyclictest41-21ksoftirqd/301:49:163
24554995623,3cyclictest41-21ksoftirqd/300:44:213
177391560,1ptp4l401ktimersoftd/322:14:213
24554995544,6cyclictest41-21ksoftirqd/321:09:083
24554995526,7cyclictest41-21ksoftirqd/320:54:103
24541995546,4cyclictest25-21ksoftirqd/123:19:121
24554995429,6cyclictest41-21ksoftirqd/321:04:113
24541995219,8cyclictest25-21ksoftirqd/100:59:161
273452510,2sleep30-21swapper/320:28:563
273452510,2sleep30-21swapper/320:28:563
24541995120,4cyclictest25-21ksoftirqd/123:03:061
242042514,37sleep00-21swapper/020:20:530
24541994925,6cyclictest25-21ksoftirqd/123:41:131
2453499493,15cyclictest5893-21ssh01:09:120
2454199486,9cyclictest25-21ksoftirqd/120:38:381
24541994836,3cyclictest25-21ksoftirqd/122:34:181
24541994834,3cyclictest25-21ksoftirqd/100:24:151
24541994824,4cyclictest25-21ksoftirqd/100:21:151
24541994822,5cyclictest25-21ksoftirqd/101:19:321
24541994818,4cyclictest25-21ksoftirqd/123:48:581
24541994817,5cyclictest25-21ksoftirqd/122:29:151
24541994817,4cyclictest25-21ksoftirqd/100:14:181
24541994817,4cyclictest25-21ksoftirqd/100:14:181
24541994816,5cyclictest25-21ksoftirqd/123:18:581
24541994734,6cyclictest25-21ksoftirqd/122:42:241
24541994732,3cyclictest25-21ksoftirqd/123:34:211
24541994725,7cyclictest25-21ksoftirqd/100:04:491
24541994723,4cyclictest25-21ksoftirqd/123:31:211
24541994722,4cyclictest25-21ksoftirqd/122:56:061
24541994722,4cyclictest25-21ksoftirqd/122:14:111
24541994718,9cyclictest25-21ksoftirqd/101:39:251
24541994718,4cyclictest25-21ksoftirqd/123:04:201
2454199470,8cyclictest24527-21cyclictest20:23:531
177391470,1ptp4l401ktimersoftd/323:18:033
24541994624,9cyclictest25-21ksoftirqd/122:49:201
24541994623,4cyclictest25-21ksoftirqd/123:25:331
24541994622,4cyclictest25-21ksoftirqd/101:30:021
24541994621,4cyclictest25-21ksoftirqd/122:44:511
24541994621,4cyclictest25-21ksoftirqd/101:24:211
24541994621,4cyclictest25-21ksoftirqd/100:09:191
24541994621,4cyclictest25-21ksoftirqd/100:09:191
24541994618,11cyclictest25-21ksoftirqd/123:48:581
24554994539,3cyclictest401ktimersoftd/322:28:563
24554994539,3cyclictest401ktimersoftd/322:28:563
2455499453,7cyclictest121rcu_preempt23:28:583
24541994531,3cyclictest25-21ksoftirqd/100:54:231
24541994522,7cyclictest25-21ksoftirqd/123:09:121
24541994521,4cyclictest25-21ksoftirqd/121:59:231
24541994521,4cyclictest25-21ksoftirqd/120:24:211
24541994521,4cyclictest25-21ksoftirqd/120:24:211
24541994520,5cyclictest25-21ksoftirqd/121:49:151
24541994520,4cyclictest25-21ksoftirqd/101:38:531
24541994519,4cyclictest25-21ksoftirqd/121:14:141
24541994516,4cyclictest25-21ksoftirqd/101:44:161
24541994515,5cyclictest25-21ksoftirqd/101:04:161
24554994417,4cyclictest41-21ksoftirqd/322:49:183
24541994421,7cyclictest25-21ksoftirqd/100:03:581
24541994420,4cyclictest25-21ksoftirqd/121:39:091
24541994420,4cyclictest25-21ksoftirqd/121:33:561
24541994420,4cyclictest25-21ksoftirqd/121:04:151
2454199441,8cyclictest25-21ksoftirqd/123:54:201
24541994418,4cyclictest25-21ksoftirqd/100:49:301
24541994416,5cyclictest25-21ksoftirqd/101:14:181
24545994322,12cyclictest47050irq/102-ens3-Tx22:39:092
2454199437,7cyclictest18465-21kworker/u8:222:28:041
2454199437,7cyclictest18465-21kworker/u8:222:28:041
24541994321,4cyclictest25-21ksoftirqd/122:19:201
24541994320,7cyclictest25-21ksoftirqd/101:09:211
2454199431,8cyclictest11672-21systemctl01:54:001
24554994228,11cyclictest41-21ksoftirqd/300:29:183
24554994217,7cyclictest41-21ksoftirqd/300:09:353
24554994217,7cyclictest41-21ksoftirqd/300:09:353
24554994215,4cyclictest41-21ksoftirqd/323:56:193
24554994215,4cyclictest41-21ksoftirqd/323:44:343
24554994215,4cyclictest41-21ksoftirqd/323:02:253
24554994215,4cyclictest41-21ksoftirqd/301:35:043
24554994215,4cyclictest41-21ksoftirqd/300:05:183
24554994214,4cyclictest41-21ksoftirqd/322:42:053
24554994214,4cyclictest41-21ksoftirqd/301:28:503
24554994210,5cyclictest41-21ksoftirqd/323:39:283
24545994210,24cyclictest13168-21apt-get22:14:082
2454199422,3cyclictest25-21ksoftirqd/100:29:181
24541994220,7cyclictest25-21ksoftirqd/121:44:221
24541994219,7cyclictest25-21ksoftirqd/121:38:561
24541994217,8cyclictest25-21ksoftirqd/120:49:131
24541994217,8cyclictest25-21ksoftirqd/100:34:201
24541994215,9cyclictest25-21ksoftirqd/121:28:551
2454199421,3cyclictest121rcu_preempt20:44:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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