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2026-08-13 - 22:19
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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 Aug 13, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1060823500,4sleep20-21swapper/209:19:572
2899921770,4sleep21287699cyclictest12:52:262
3179021680,5sleep11287299cyclictest12:22:421
1068911590,4ptp4l401ktimersoftd/309:21:183
106891830,1ptp4l401ktimersoftd/313:33:263
77772770,2sleep00-21swapper/011:25:200
140372720,2sleep00-21swapper/012:37:260
106891700,8ptp4l401ktimersoftd/311:37:453
106891700,1ptp4l401ktimersoftd/312:33:283
132592650,2sleep00-21swapper/012:04:460
159842640,1sleep10-21swapper/114:18:091
252862610,2sleep20-21swapper/214:27:212
176682570,4sleep31288499cyclictest09:30:253
106891560,1ptp4l401ktimersoftd/313:35:543
178822530,3sleep31288499cyclictest10:40:143
12866995245,4cyclictest9-21ksoftirqd/013:55:150
177602500,2sleep30-21swapper/312:40:303
105791500,4getstats1288499cyclictest13:29:183
106891490,2ptp4l17728-21kworker/3:211:34:023
106891490,12ptp4l401ktimersoftd/311:05:133
326392480,1sleep10-21swapper/114:01:181
106891460,12ptp4l22315-21kworker/3:014:06:073
12866994537,4cyclictest9-21ksoftirqd/013:30:130
106891450,1ptp4l401ktimersoftd/310:07:373
106891440,1ptp4l401ktimersoftd/312:55:163
12866994336,4cyclictest9-21ksoftirqd/012:30:140
12866994236,3cyclictest9-21ksoftirqd/013:10:140
29162414,7sleep233-21ksoftirqd/211:54:052
142792400,4sleep21287699cyclictest12:05:162
12884994032,5cyclictest233-21systemd-journal09:44:573
12884994032,5cyclictest233-21systemd-journal09:44:573
12866994035,3cyclictest9-21ksoftirqd/012:15:120
12866993932,4cyclictest9-21ksoftirqd/010:55:110
106891390,2ptp4l17728-21kworker/3:211:40:183
106891390,2ptp4l17728-21kworker/3:211:40:183
106891390,1ptp4l401ktimersoftd/314:38:193
106891390,1ptp4l401ktimersoftd/314:31:523
106891390,1ptp4l401ktimersoftd/314:22:073
106891390,1ptp4l401ktimersoftd/312:29:233
106891390,1ptp4l401ktimersoftd/312:14:173
106891390,0ptp4l401ktimersoftd/312:21:433
12876993817,14cyclictest30984-21sh12:55:152
12866993832,4cyclictest9-21ksoftirqd/013:45:130
106891380,1ptp4l401ktimersoftd/314:25:183
106891380,1ptp4l401ktimersoftd/314:11:233
106891380,1ptp4l401ktimersoftd/313:40:193
106891380,1ptp4l401ktimersoftd/313:16:413
106891380,1ptp4l401ktimersoftd/313:16:413
106891380,1ptp4l401ktimersoftd/312:06:203
106891380,1ptp4l401ktimersoftd/309:48:533
106891380,0ptp4l401ktimersoftd/314:50:323
106891380,0ptp4l401ktimersoftd/312:48:493
106891380,0ptp4l401ktimersoftd/312:37:263
106891370,1ptp4l401ktimersoftd/314:47:143
106891370,1ptp4l401ktimersoftd/314:04:043
106891370,1ptp4l401ktimersoftd/313:51:433
106891370,1ptp4l401ktimersoftd/313:46:443
106891370,1ptp4l401ktimersoftd/313:20:223
106891370,1ptp4l401ktimersoftd/313:20:223
106891370,1ptp4l401ktimersoftd/313:13:293
106891370,1ptp4l401ktimersoftd/312:52:553
106891370,1ptp4l401ktimersoftd/312:16:063
106891370,1ptp4l401ktimersoftd/312:00:353
106891370,1ptp4l401ktimersoftd/311:45:143
106891370,1ptp4l401ktimersoftd/311:26:543
106891370,0ptp4l401ktimersoftd/310:30:003
12866993630,4cyclictest9-21ksoftirqd/011:10:100
106891360,1ptp4l401ktimersoftd/314:18:463
106891360,1ptp4l401ktimersoftd/313:06:563
106891360,0ptp4l401ktimersoftd/310:03:063
12866993529,3cyclictest9-21ksoftirqd/013:15:140
12866993529,3cyclictest9-21ksoftirqd/013:15:140
106891350,2ptp4l17728-21kworker/3:211:58:023
12872993429,3cyclictest25-21ksoftirqd/109:44:571
12872993429,3cyclictest25-21ksoftirqd/109:44:571
12872993426,4cyclictest25-21ksoftirqd/109:45:011
12866993423,9cyclictest9-21ksoftirqd/012:25:310
12866993411,3cyclictest9-21ksoftirqd/010:15:280
106891340,1ptp4l401ktimersoftd/311:53:383
106891340,12ptp4l401ktimersoftd/313:00:333
12872993324,5cyclictest25-21ksoftirqd/110:10:091
12866993328,3cyclictest9-21ksoftirqd/014:20:030
12866993328,3cyclictest9-21ksoftirqd/012:50:020
12866993328,3cyclictest9-21ksoftirqd/011:30:110
12866993328,3cyclictest9-21ksoftirqd/009:30:080
12866993321,3cyclictest9-21ksoftirqd/013:45:030
106891330,1ptp4l401ktimersoftd/311:18:213
106891330,1ptp4l401ktimersoftd/310:25:333
106891330,1ptp4l401ktimersoftd/309:50:093
166172320,5sleep116613-21ssh11:35:121
12872993227,3cyclictest25-21ksoftirqd/110:34:591
12866993227,3cyclictest9-21ksoftirqd/014:45:040
12866993226,3cyclictest9-21ksoftirqd/013:05:130
12866993226,3cyclictest9-21ksoftirqd/012:15:000
12866993225,4cyclictest9-21ksoftirqd/010:40:090
109662327,11sleep00-21swapper/009:20:120
106891320,1ptp4l401ktimersoftd/314:44:253
12866993126,3cyclictest9-21ksoftirqd/009:29:560
12866993125,3cyclictest9-21ksoftirqd/010:39:590
106891310,1ptp4l401ktimersoftd/311:03:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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