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2026-04-30 - 12:25
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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 Apr 30, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385322730,5sleep13857-21timerwakeupswit20:22:101
2038221860,4sleep0448099cyclictest00:45:570
2402421660,5sleep3449799cyclictest23:28:433
282921650,5sleep3449799cyclictest00:23:323
2756321370,3sleep0448099cyclictest01:33:430
1068911090,39ptp4l401ktimersoftd/320:24:193
276652760,3sleep30-21swapper/322:21:423
257222620,2sleep20-21swapper/221:07:062
108242610,2sleep30-21swapper/300:33:233
449199585,8cyclictest1893-21apt-get01:01:512
132082580,2sleep20-21swapper/221:51:422
449799547,17cyclictest25360-21ssh00:10:503
4491995419,17cyclictest33-21ksoftirqd/201:52:502
449799528,17cyclictest27365-21ssh00:54:073
449799528,13cyclictest26024-21ssh23:31:463
449799528,13cyclictest20267-21ssh23:25:393
449799528,13cyclictest16606-21ssh01:19:243
449799528,12cyclictest31459-21ssh00:17:293
449799528,12cyclictest31340-21ssh23:37:243
449799527,13cyclictest30031-21diskmemload01:41:573
449799526,13cyclictest1743-21ssh22:30:243
449799519,12cyclictest20581-21ssh22:48:353
449799518,12cyclictest20675-21ssh00:46:273
449799518,12cyclictest11113-21ssh01:53:243
449799517,12cyclictest9529-21chrt20:32:513
449799517,12cyclictest3590-21ssh23:04:473
449799517,12cyclictest16766-21chrt20:49:213
449799516,12cyclictest31601-21ssh23:00:373
449799516,11cyclictest28650-21chrt21:14:503
4491995122,5cyclictest33-21ksoftirqd/200:58:542
449799508,13cyclictest4846-21ssh22:32:173
449799508,13cyclictest29366-21switchtime22:22:123
449799508,12cyclictest30031-21diskmemload01:23:573
449799507,13cyclictest24805-21ssh00:50:083
449799503,22cyclictest6664-21grep00:27:133
449199506,9cyclictest9663-21munin-run00:31:462
4491995020,7cyclictest33-21ksoftirqd/201:31:482
449199501,6cyclictest28986-21munin-run23:36:452
92302490,2sleep30-21swapper/301:10:373
449799499,12cyclictest31735-21ssh01:37:243
449799498,19cyclictest12716-21ssh23:16:353
449799498,11cyclictest15183-21ssh23:17:233
449799497,12cyclictest8075-21ssh01:48:373
449799497,11cyclictest26987-21ssh22:56:083
449799497,10cyclictest30031-21diskmemload22:46:323
449199497,10cyclictest29475-21apt-get00:16:582
4491994921,4cyclictest33-21ksoftirqd/223:48:372
449799489,12cyclictest32158-21ssh00:58:533
449799486,11cyclictest19547-21ssh00:04:173
449799485,9cyclictest30031-21diskmemload01:32:533
449799485,11cyclictest10596-21chrt21:46:213
4497994810,19cyclictest13958-21awk20:42:083
449199486,9cyclictest22443-21awk22:51:432
449199485,9cyclictest25781-21munin-run00:51:462
449199484,9cyclictest33-21ksoftirqd/221:31:422
449199484,6cyclictest33-21ksoftirqd/222:51:572
449199483,7cyclictest33-21ksoftirqd/221:46:432
449199482,7cyclictest33-21ksoftirqd/201:17:032
4491994822,4cyclictest33-21ksoftirqd/222:32:042
4491994821,4cyclictest33-21ksoftirqd/201:09:142
4491994819,4cyclictest33-21ksoftirqd/200:46:142
4491994818,3cyclictest121rcu_preempt00:06:032
42272484,31sleep20-21swapper/220:24:432
103412480,2sleep10-21swapper/101:12:081
449799477,13cyclictest25558-21ssh01:30:413
449799477,12cyclictest4848-21ssh23:46:463
449199474,7cyclictest33-21ksoftirqd/220:31:452
449199472,8cyclictest33-21ksoftirqd/222:41:442
4491994721,4cyclictest33-21ksoftirqd/220:29:562
4491994720,6cyclictest33-21ksoftirqd/223:21:442
449199471,7cyclictest29389-21ssh01:36:472
449199471,7cyclictest25302-21awk22:16:422
449799467,12cyclictest10019-21ssh22:37:193
449799465,11cyclictest0-21swapper/321:21:313
449199465,4cyclictest33-21ksoftirqd/221:56:552
449199464,8cyclictest33-21ksoftirqd/200:41:462
449199463,7cyclictest33-21ksoftirqd/223:15:242
449199463,7cyclictest33-21ksoftirqd/201:38:152
449199462,8cyclictest33-21ksoftirqd/222:06:592
4491994622,4cyclictest33-21ksoftirqd/223:56:402
4491994620,4cyclictest33-21ksoftirqd/223:37:492
4491994620,4cyclictest33-21ksoftirqd/201:42:432
4491994620,4cyclictest33-21ksoftirqd/200:24:072
449199461,8cyclictest33-21ksoftirqd/220:46:412
449199461,7cyclictest33-21ksoftirqd/221:16:422
449799457,12cyclictest32598-21awk21:22:033
449799456,11cyclictest3421-21chrt23:44:413
449799456,10cyclictest4545-21ssh01:06:213
449799455,11cyclictest5859-21taskset21:36:343
4497994510,18cyclictest22325-21timerandwakeup22:07:113
449199456,5cyclictest33-21ksoftirqd/223:56:582
449199456,10cyclictest33-21ksoftirqd/223:27:032
449199453,8cyclictest33-21ksoftirqd/222:02:072
449199453,6cyclictest33-21ksoftirqd/222:28:592
4491994535,3cyclictest33-21ksoftirqd/201:24:262
449199452,8cyclictest33-21ksoftirqd/223:02:132
449199451,14cyclictest33-21ksoftirqd/221:01:582
449199450,8cyclictest33-21ksoftirqd/200:56:472
449199450,14cyclictest33-21ksoftirqd/221:31:542
449799448,12cyclictest8141-21ssh23:09:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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