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2026-08-29 - 00:20
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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 Fri Aug 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911830,5ptp4l401ktimersoftd/309:30:453
1068911830,5ptp4l401ktimersoftd/309:30:453
2626121620,5sleep1100799cyclictest11:28:401
2143421500,4sleep2101199cyclictest13:38:502
198792910,3sleep019870-21munin-run11:18:150
128462700,2sleep30-21swapper/313:30:353
21282650,2sleep30-21swapper/310:38:363
13082640,3sleep10-21swapper/110:38:301
167462620,4sleep125-21ksoftirqd/113:33:591
175182600,4sleep0100099cyclictest10:03:320
251902590,3sleep325189-21ps13:43:363
106891590,1ptp4l401ktimersoftd/312:20:073
243442580,2sleep00-21swapper/013:08:400
106891580,1ptp4l401ktimersoftd/312:02:193
33712560,4sleep2101199cyclictest13:20:592
324222560,4sleep332427-21cpuspeed_turbos11:38:303
273342540,6sleep227338-21latency12:38:392
1007995422,8cyclictest25-21ksoftirqd/109:58:431
143291520,3getstats102099cyclictest11:30:303
1007995222,10cyclictest25-21ksoftirqd/115:02:491
1007995222,10cyclictest25-21ksoftirqd/115:02:491
1007995221,9cyclictest25-21ksoftirqd/113:15:451
1007995221,9cyclictest25-21ksoftirqd/113:15:451
1007995122,9cyclictest25-21ksoftirqd/111:56:201
1007995121,9cyclictest25-21ksoftirqd/113:59:291
53832500,2sleep00-21swapper/011:43:330
1007995022,10cyclictest25-21ksoftirqd/114:20:221
1007995021,9cyclictest25-21ksoftirqd/113:41:481
1007995020,9cyclictest25-21ksoftirqd/114:57:321
1007995020,9cyclictest25-21ksoftirqd/114:48:131
1007995020,11cyclictest25-21ksoftirqd/111:41:461
1007994923,7cyclictest25-21ksoftirqd/111:58:411
1007994922,7cyclictest25-21ksoftirqd/110:28:431
1007994921,7cyclictest25-21ksoftirqd/111:48:171
1007994921,11cyclictest25-21ksoftirqd/113:05:461
1007994920,8cyclictest25-21ksoftirqd/114:31:471
1007994920,11cyclictest25-21ksoftirqd/112:16:151
143291480,5getstats102099cyclictest11:05:293
1007994823,9cyclictest25-21ksoftirqd/110:03:421
1007994822,7cyclictest25-21ksoftirqd/113:28:371
1007994822,7cyclictest25-21ksoftirqd/113:24:231
1007994822,7cyclictest25-21ksoftirqd/110:58:271
1007994821,11cyclictest25-21ksoftirqd/114:10:391
1007994820,4cyclictest25-21ksoftirqd/112:56:121
1007994819,9cyclictest25-21ksoftirqd/112:20:221
1007994817,9cyclictest25-21ksoftirqd/112:50:111
1007994720,10cyclictest25-21ksoftirqd/112:38:541
1007994718,9cyclictest25-21ksoftirqd/114:04:261
106891460,1ptp4l401ktimersoftd/314:12:233
100799466,6cyclictest25-21ksoftirqd/114:42:011
1007994623,10cyclictest25-21ksoftirqd/113:08:411
1007994620,7cyclictest25-21ksoftirqd/111:47:241
1007994620,10cyclictest25-21ksoftirqd/113:02:351
1007994619,10cyclictest25-21ksoftirqd/113:55:531
106891450,2ptp4l5903-21kworker/3:213:43:183
106891450,2ptp4l25040-21kworker/3:209:53:553
1007994522,8cyclictest25-21ksoftirqd/111:08:331
1007994522,10cyclictest25-21ksoftirqd/112:23:311
1007994521,4cyclictest25-21ksoftirqd/110:53:321
1007994521,10cyclictest25-21ksoftirqd/110:43:281
1007994520,7cyclictest25-21ksoftirqd/114:36:311
1007994519,7cyclictest25-21ksoftirqd/114:28:001
1007994518,10cyclictest25-21ksoftirqd/112:09:041
106891440,2ptp4l24333-21kworker/3:011:24:523
106891440,2ptp4l24333-21kworker/3:011:24:523
106891440,1ptp4l401ktimersoftd/314:03:363
100799444,7cyclictest25-21ksoftirqd/114:18:201
100799443,7cyclictest25-21ksoftirqd/111:33:271
100799443,7cyclictest25-21ksoftirqd/109:43:331
1007994423,9cyclictest25-21ksoftirqd/111:03:321
1007994422,10cyclictest25-21ksoftirqd/112:31:351
1007994317,11cyclictest25-21ksoftirqd/113:43:591
1007994317,10cyclictest25-21ksoftirqd/112:04:151
100799424,6cyclictest25-21ksoftirqd/110:33:431
1007994223,9cyclictest25-21ksoftirqd/111:28:161
1007994223,9cyclictest25-21ksoftirqd/111:28:161
1007994219,9cyclictest25-21ksoftirqd/110:48:351
1007994219,9cyclictest25-21ksoftirqd/109:33:231
100799413,7cyclictest25-21ksoftirqd/111:23:161
100799413,6cyclictest25-21ksoftirqd/110:23:331
1007994114,10cyclictest25-21ksoftirqd/112:46:051
106891400,1ptp4l401ktimersoftd/313:27:243
106891400,1ptp4l401ktimersoftd/311:08:453
106891400,0ptp4l401ktimersoftd/311:53:003
100799404,6cyclictest25-21ksoftirqd/112:33:401
100799401,7cyclictest25-21ksoftirqd/114:50:361
1007994015,9cyclictest25-21ksoftirqd/113:51:111
106891390,1ptp4l401ktimersoftd/314:53:183
106891390,1ptp4l401ktimersoftd/314:30:483
106891390,1ptp4l401ktimersoftd/314:22:503
106891390,16ptp4l401ktimersoftd/312:23:433
1007993921,7cyclictest25-21ksoftirqd/109:48:361
106891380,1ptp4l401ktimersoftd/315:00:013
106891380,1ptp4l401ktimersoftd/315:00:013
106891380,1ptp4l401ktimersoftd/314:57:323
106891380,1ptp4l401ktimersoftd/314:27:273
106891380,1ptp4l401ktimersoftd/314:14:563
106891380,1ptp4l401ktimersoftd/313:57:383
106891380,1ptp4l401ktimersoftd/313:18:493
106891380,1ptp4l401ktimersoftd/313:05:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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