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2026-07-31 - 07:54
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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 Jul 31, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1859621770,5sleep12712499cyclictest22:03:011
960721500,4sleep22712899cyclictest01:17:502
1068911050,4ptp4l401ktimersoftd/321:14:483
106891710,1ptp4l401ktimersoftd/301:30:033
42852630,1sleep00-21swapper/002:18:020
278252630,3sleep02711799cyclictest02:08:300
141132630,6sleep114112-21systemctl23:42:571
106891630,1ptp4l401ktimersoftd/300:25:213
106891630,10ptp4l401ktimersoftd/300:04:573
99522620,2sleep10-21swapper/101:17:531
96612610,4sleep22712899cyclictest01:50:502
156362590,4sleep015641-21needreboot21:57:500
49372570,4sleep12712499cyclictest01:46:071
106891570,1ptp4l401ktimersoftd/300:57:433
53012560,5sleep341-21ksoftirqd/300:39:403
267292564,40sleep10-21swapper/121:13:461
106891560,1ptp4l401ktimersoftd/300:48:103
169292540,2sleep10-21swapper/123:07:561
210562490,2sleep00-21swapper/000:56:160
106891480,1ptp4l401ktimersoftd/301:19:313
106891460,1ptp4l401ktimersoftd/301:06:523
27136994537,4cyclictest41-21ksoftirqd/300:27:453
27136994537,4cyclictest41-21ksoftirqd/300:27:453
106891450,2ptp4l8404-21kworker/3:000:19:013
27136994437,3cyclictest41-21ksoftirqd/321:22:433
106891430,1ptp4l401ktimersoftd/322:39:283
106891430,1ptp4l401ktimersoftd/301:38:193
106891420,1ptp4l401ktimersoftd/322:02:543
106891420,1ptp4l401ktimersoftd/302:25:293
106891410,1ptp4l401ktimersoftd/323:17:413
106891410,1ptp4l401ktimersoftd/302:22:333
106891400,1ptp4l401ktimersoftd/322:20:493
37892390,3sleep2311rcuc/222:42:442
27136993932,4cyclictest41-21ksoftirqd/302:07:493
106891390,1ptp4l401ktimersoftd/323:24:033
106891390,1ptp4l401ktimersoftd/301:51:023
106891390,1ptp4l401ktimersoftd/301:07:533
106891390,1ptp4l401ktimersoftd/300:44:253
106891390,1ptp4l401ktimersoftd/300:44:253
27136993832,3cyclictest41-21ksoftirqd/302:12:503
27136993831,4cyclictest41-21ksoftirqd/321:37:443
106891380,1ptp4l401ktimersoftd/323:43:593
106891380,1ptp4l401ktimersoftd/302:28:033
106891380,1ptp4l401ktimersoftd/302:28:033
106891380,1ptp4l401ktimersoftd/301:46:333
106891380,1ptp4l401ktimersoftd/301:26:513
106891380,1ptp4l401ktimersoftd/301:16:263
106891380,1ptp4l401ktimersoftd/300:00:503
106891380,14ptp4l401ktimersoftd/300:52:553
106891380,0ptp4l401ktimersoftd/300:15:213
27136993730,4cyclictest41-21ksoftirqd/322:12:423
27128993731,4cyclictest33-21ksoftirqd/200:22:342
106891370,1ptp4l401ktimersoftd/323:38:413
106891370,1ptp4l401ktimersoftd/323:30:273
106891370,1ptp4l401ktimersoftd/322:22:473
106891370,1ptp4l401ktimersoftd/302:46:203
106891370,1ptp4l401ktimersoftd/301:33:093
106891370,1ptp4l401ktimersoftd/300:34:373
106891370,1ptp4l401ktimersoftd/300:12:063
106891370,0ptp4l401ktimersoftd/302:42:283
27136993629,4cyclictest41-21ksoftirqd/323:47:463
27136993629,4cyclictest41-21ksoftirqd/322:42:433
106891360,1ptp4l401ktimersoftd/323:54:343
106891360,1ptp4l401ktimersoftd/323:33:283
106891360,1ptp4l401ktimersoftd/321:52:493
106891360,1ptp4l401ktimersoftd/321:31:363
106891360,1ptp4l401ktimersoftd/302:03:203
27136993529,3cyclictest41-21ksoftirqd/322:52:433
27136993529,3cyclictest41-21ksoftirqd/322:52:433
27128993522,10cyclictest33-21ksoftirqd/221:37:462
77012340,5sleep27698-21diskstats00:42:492
77012340,5sleep27698-21diskstats00:42:492
27136993327,3cyclictest41-21ksoftirqd/323:12:423
27136993327,3cyclictest41-21ksoftirqd/321:47:413
27128993327,3cyclictest33-21ksoftirqd/200:37:342
27128993318,13cyclictest33-21ksoftirqd/200:48:052
233662330,1sleep20-21swapper/200:25:462
27136993226,3cyclictest41-21ksoftirqd/323:07:323
27128993226,3cyclictest33-21ksoftirqd/222:17:322
27128993219,11cyclictest33-21ksoftirqd/223:27:522
27117993220,9cyclictest9-21ksoftirqd/001:02:220
106891320,1ptp4l401ktimersoftd/321:42:543
106891320,1ptp4l401ktimersoftd/321:17:453
27136993126,3cyclictest41-21ksoftirqd/323:02:323
2712899313,3cyclictest33-21ksoftirqd/223:38:032
27128993126,3cyclictest33-21ksoftirqd/201:52:532
27128993125,3cyclictest33-21ksoftirqd/222:47:442
27128993124,4cyclictest33-21ksoftirqd/202:02:572
252182316,11sleep00-21swapper/021:12:440
199542310,4sleep125-21ksoftirqd/100:54:241
106891310,1ptp4l401ktimersoftd/322:48:213
106891310,1ptp4l401ktimersoftd/322:34:073
106891310,1ptp4l401ktimersoftd/322:01:033
106891310,1ptp4l401ktimersoftd/302:33:463
106891310,1ptp4l401ktimersoftd/301:57:233
106891310,0ptp4l401ktimersoftd/301:58:203
27128993025,3cyclictest33-21ksoftirqd/223:22:332
27128993025,3cyclictest33-21ksoftirqd/200:02:482
27128993024,3cyclictest33-21ksoftirqd/202:27:512
27128993024,3cyclictest33-21ksoftirqd/202:27:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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