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2026-03-30 - 03:53
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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 Mon Mar 30, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911000,4ptp4l401ktimersoftd/320:06:493
289732830,2sleep00-21swapper/023:25:510
106891710,1ptp4l401ktimersoftd/300:46:373
106891700,1ptp4l401ktimersoftd/301:11:433
112692670,3sleep00-21swapper/023:09:170
73442630,5sleep26367-21/usr/sbin/munin01:14:582
262722630,2sleep2321ktimersoftd/200:29:372
23960996147,7cyclictest9-21ksoftirqd/001:09:490
23960996048,7cyclictest9-21ksoftirqd/020:49:420
23960995947,5cyclictest9-21ksoftirqd/021:09:440
23960995947,5cyclictest9-21ksoftirqd/021:09:440
23960995848,5cyclictest9-21ksoftirqd/023:39:470
237392584,43sleep00-21swapper/020:07:590
23960995744,6cyclictest9-21ksoftirqd/001:24:500
236532574,10sleep10-21swapper/120:06:511
194782560,2sleep10-21swapper/123:49:491
243812550,2sleep30-21swapper/323:54:493
23960995546,4cyclictest9-21ksoftirqd/000:34:480
23960995546,4cyclictest9-21ksoftirqd/000:34:480
23960995544,5cyclictest9-21ksoftirqd/022:19:450
106891550,1ptp4l401ktimersoftd/321:25:373
23965995229,13cyclictest47050irq/101-ens3-Tx23:44:491
232482510,1sleep10-21swapper/121:14:321
232482510,1sleep10-21swapper/121:14:321
106891510,1ptp4l401ktimersoftd/300:29:073
23960995039,5cyclictest9-21ksoftirqd/000:29:480
106891500,11ptp4l14468-21kworker/3:022:58:193
23960994939,5cyclictest9-21ksoftirqd/022:59:470
197042480,1sleep00-21swapper/000:22:240
23960994616,15cyclictest9-21ksoftirqd/000:54:550
106891460,2ptp4l14468-21kworker/3:022:40:403
106891460,1ptp4l401ktimersoftd/323:17:053
106891460,1ptp4l401ktimersoftd/301:35:543
23960994335,3cyclictest9-21ksoftirqd/023:09:460
106891430,0ptp4l401ktimersoftd/300:34:223
23960994236,3cyclictest9-21ksoftirqd/023:59:410
2396099416,4cyclictest9-21ksoftirqd/022:34:510
23965994028,7cyclictest25-21ksoftirqd/100:54:491
106891400,1ptp4l401ktimersoftd/323:04:493
106891400,1ptp4l401ktimersoftd/322:49:463
106891400,1ptp4l401ktimersoftd/322:49:463
106891400,1ptp4l401ktimersoftd/300:34:573
106891400,1ptp4l401ktimersoftd/300:34:573
106891390,1ptp4l401ktimersoftd/323:43:243
106891390,1ptp4l401ktimersoftd/323:00:593
106891390,1ptp4l401ktimersoftd/322:19:073
106891390,1ptp4l401ktimersoftd/301:29:533
23960993833,3cyclictest9-21ksoftirqd/000:44:480
2396099382,7cyclictest121rcu_preempt22:59:350
106891380,1ptp4l401ktimersoftd/323:54:193
106891380,1ptp4l401ktimersoftd/323:37:523
106891380,1ptp4l401ktimersoftd/322:29:133
106891380,1ptp4l401ktimersoftd/300:22:353
106891380,1ptp4l401ktimersoftd/300:03:193
106891370,2ptp4l28410-21kworker/3:120:39:473
106891370,1ptp4l401ktimersoftd/323:27:463
106891370,1ptp4l401ktimersoftd/323:23:433
106891370,1ptp4l401ktimersoftd/301:21:433
106891370,1ptp4l401ktimersoftd/300:57:083
106891370,0ptp4l401ktimersoftd/322:38:403
23960993630,3cyclictest9-21ksoftirqd/022:34:330
106891360,1ptp4l401ktimersoftd/323:46:163
106891360,1ptp4l401ktimersoftd/323:12:383
106891360,1ptp4l401ktimersoftd/320:39:313
106891360,1ptp4l401ktimersoftd/301:17:123
106891360,1ptp4l401ktimersoftd/301:00:323
106891360,1ptp4l401ktimersoftd/300:08:573
2396099354,3cyclictest121rcu_preempt20:59:310
23960993529,3cyclictest9-21ksoftirqd/021:04:430
23960993512,4cyclictest9-21ksoftirqd/021:39:520
106891350,0ptp4l401ktimersoftd/322:20:083
106891350,0ptp4l401ktimersoftd/320:54:343
106891350,0ptp4l401ktimersoftd/320:28:223
2396099349,4cyclictest9-21ksoftirqd/001:02:150
2396099344,7cyclictest9-21ksoftirqd/000:49:530
231542342,18sleep223157-21/usr/sbin/munin20:04:582
106891340,2ptp4l14468-21kworker/3:022:08:283
106891340,1ptp4l401ktimersoftd/322:47:133
106891340,1ptp4l401ktimersoftd/300:41:513
106891340,1ptp4l401ktimersoftd/300:11:483
23965993315,10cyclictest17289-21rm22:09:451
23960993328,3cyclictest9-21ksoftirqd/001:19:380
23960993314,5cyclictest9-21ksoftirqd/000:41:050
23960993227,3cyclictest9-21ksoftirqd/001:39:390
23960993227,3cyclictest9-21ksoftirqd/000:09:570
23960993226,3cyclictest9-21ksoftirqd/023:34:470
23960993226,3cyclictest9-21ksoftirqd/001:19:500
23960993222,8cyclictest9-21ksoftirqd/001:32:100
23960993221,8cyclictest9-21ksoftirqd/023:54:560
23960993217,12cyclictest9-21ksoftirqd/021:54:500
23960993211,7cyclictest9-21ksoftirqd/022:13:530
106891320,1ptp4l401ktimersoftd/300:16:083
106891320,0ptp4l401ktimersoftd/321:21:453
106891320,0ptp4l401ktimersoftd/301:09:173
23971993124,4cyclictest33-21ksoftirqd/221:59:332
23965993117,3cyclictest25-21ksoftirqd/123:54:481
23960993126,3cyclictest9-21ksoftirqd/022:09:340
23960993126,3cyclictest9-21ksoftirqd/000:19:360
23960993125,3cyclictest9-21ksoftirqd/022:44:510
23960993125,3cyclictest9-21ksoftirqd/022:14:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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