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2026-04-17 - 15:03
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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 Apr 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2209021630,5sleep21758999cyclictest11:03:332
2259721450,3sleep11758299cyclictest13:49:021
1068911000,3ptp4l401ktimersoftd/308:17:153
106891870,1ptp4l401ktimersoftd/312:51:433
106891820,1ptp4l401ktimersoftd/312:16:453
106891790,1ptp4l401ktimersoftd/312:33:473
298212730,17sleep125-21ksoftirqd/112:15:591
106891700,1ptp4l401ktimersoftd/311:05:113
106891700,1ptp4l401ktimersoftd/309:11:023
194272690,2sleep20-21swapper/208:20:142
143291690,4getstats1759599cyclictest10:34:433
17595996856,6cyclictest41-21ksoftirqd/311:25:013
251972650,3sleep11758299cyclictest11:05:291
102962650,4sleep11758299cyclictest09:10:031
174282644,9sleep00-21swapper/008:19:040
106891630,1ptp4l401ktimersoftd/311:47:543
51272610,4sleep21758999cyclictest11:19:432
106891610,1ptp4l401ktimersoftd/311:02:513
58012600,4sleep341-21ksoftirqd/312:58:533
106891590,1ptp4l401ktimersoftd/310:47:353
106891580,1ptp4l401ktimersoftd/309:25:163
20592550,2sleep20-21swapper/213:27:102
17582995513,3cyclictest10320-21sh13:03:171
106891530,1ptp4l401ktimersoftd/309:04:023
17589995223,9cyclictest33-21ksoftirqd/213:15:052
17589995222,10cyclictest33-21ksoftirqd/213:40:092
17589995220,8cyclictest33-21ksoftirqd/212:29:522
17589995123,9cyclictest33-21ksoftirqd/211:35:022
17589995123,8cyclictest33-21ksoftirqd/210:25:392
74382500,2sleep30-21swapper/310:10:073
17589995021,8cyclictest33-21ksoftirqd/213:20:042
17589995021,10cyclictest33-21ksoftirqd/212:59:562
17589995018,9cyclictest33-21ksoftirqd/212:12:592
1758999496,5cyclictest33-21ksoftirqd/210:45:552
1758999495,8cyclictest11565-21apt-config13:04:522
17589994920,8cyclictest33-21ksoftirqd/209:10:002
17589994918,8cyclictest33-21ksoftirqd/212:50:502
17589994918,8cyclictest33-21ksoftirqd/211:59:062
13802490,2sleep10-21swapper/110:41:521
17589994821,4cyclictest33-21ksoftirqd/213:10:432
17589994821,4cyclictest33-21ksoftirqd/212:19:432
17589994821,4cyclictest33-21ksoftirqd/210:41:552
17589994821,10cyclictest33-21ksoftirqd/210:05:042
17589994819,8cyclictest33-21ksoftirqd/212:04:252
17589994819,10cyclictest33-21ksoftirqd/212:57:112
17589994818,9cyclictest33-21ksoftirqd/211:46:362
17589994818,9cyclictest33-21ksoftirqd/210:33:142
17589994818,10cyclictest33-21ksoftirqd/213:31:212
17589994818,10cyclictest33-21ksoftirqd/210:56:032
17589994818,10cyclictest33-21ksoftirqd/210:56:032
143291480,4getstats1759599cyclictest09:19:413
106891480,1ptp4l401ktimersoftd/310:25:193
1758999477,4cyclictest10206-21apt-config11:24:502
1758999474,10cyclictest33-21ksoftirqd/209:15:142
17589994721,4cyclictest33-21ksoftirqd/211:07:412
17589994721,4cyclictest33-21ksoftirqd/209:45:092
17589994720,4cyclictest33-21ksoftirqd/208:50:142
17589994719,9cyclictest33-21ksoftirqd/212:34:532
17589994718,8cyclictest33-21ksoftirqd/211:14:012
17589994718,10cyclictest33-21ksoftirqd/211:28:072
17589994717,8cyclictest33-21ksoftirqd/212:06:032
1758999467,8cyclictest33-21ksoftirqd/209:54:482
1758999466,6cyclictest33-21ksoftirqd/211:49:552
1758999465,8cyclictest33-21ksoftirqd/210:50:062
1758999464,10cyclictest33-21ksoftirqd/208:40:082
1758999463,10cyclictest33-21ksoftirqd/210:20:052
17589994620,9cyclictest33-21ksoftirqd/209:05:152
17589994620,9cyclictest33-21ksoftirqd/209:05:152
17589994620,10cyclictest33-21ksoftirqd/209:24:242
17589994619,9cyclictest33-21ksoftirqd/210:00:032
17589994619,4cyclictest33-21ksoftirqd/213:37:282
17589994618,4cyclictest33-21ksoftirqd/212:40:112
17589994618,4cyclictest33-21ksoftirqd/212:40:112
17589994617,8cyclictest33-21ksoftirqd/213:45:562
17589994617,8cyclictest33-21ksoftirqd/211:31:422
106891460,2ptp4l31720-21kworker/3:212:20:573
1758999454,7cyclictest9361-21apt-get12:29:502
1758999454,6cyclictest10941-21munin-run10:19:482
1758999453,7cyclictest33-21ksoftirqd/209:30:042
17589994519,4cyclictest33-21ksoftirqd/209:58:362
17589994519,10cyclictest33-21ksoftirqd/208:25:052
17589994517,10cyclictest33-21ksoftirqd/212:45:092
106891450,1ptp4l401ktimersoftd/310:38:543
1758999444,9cyclictest33-21ksoftirqd/208:30:072
1758999443,9cyclictest33-21ksoftirqd/208:49:462
17589994433,3cyclictest33-21ksoftirqd/209:00:002
17589994418,4cyclictest33-21ksoftirqd/212:20:592
106891440,1ptp4l401ktimersoftd/312:38:053
1758999436,6cyclictest33-21ksoftirqd/209:25:052
1758999435,7cyclictest33-21ksoftirqd/209:40:152
1758999434,7cyclictest33-21ksoftirqd/208:19:462
17589994318,4cyclictest33-21ksoftirqd/210:38:182
17589994311,3cyclictest33-21ksoftirqd/211:44:082
1758999430,7cyclictest321ktimersoftd/208:35:172
106891430,1ptp4l401ktimersoftd/312:47:563
106891430,1ptp4l401ktimersoftd/310:58:263
106891430,1ptp4l401ktimersoftd/310:58:263
17589994218,9cyclictest33-21ksoftirqd/209:35:022
1758999391,9cyclictest33-21ksoftirqd/210:10:082
17589993916,4cyclictest33-21ksoftirqd/208:55:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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