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2026-03-10 - 14:27
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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 Tue Mar 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31421850,5sleep31498499cyclictest20:33:433
1598121630,5sleep01496899cyclictest22:38:460
3184921600,3sleep21498099cyclictest23:59:182
1068911240,7ptp4l401ktimersoftd/319:56:493
42372710,2sleep10-21swapper/121:48:451
106891690,1ptp4l401ktimersoftd/322:32:093
40852650,5sleep01496899cyclictest20:38:580
138902650,2sleep30-21swapper/322:36:323
147132594,10sleep20-21swapper/219:56:252
206712580,1sleep30-21swapper/323:48:513
145272580,4sleep341-21ksoftirqd/300:14:293
106891580,1ptp4l401ktimersoftd/322:48:133
106891570,1ptp4l401ktimersoftd/323:19:453
317992560,2sleep10-21swapper/123:59:131
106891560,1ptp4l401ktimersoftd/322:06:073
106891550,1ptp4l401ktimersoftd/300:31:123
257382540,2sleep025736-21sh23:20:420
14975995443,5cyclictest25-21ksoftirqd/100:33:451
248902530,2sleep20-21swapper/221:23:492
248902530,2sleep20-21swapper/221:23:492
239972530,5sleep323996-21sed00:24:003
106891520,1ptp4l401ktimersoftd/322:48:553
106891520,1ptp4l401ktimersoftd/319:58:383
14975994838,5cyclictest25-21ksoftirqd/123:43:451
106891480,10ptp4l401ktimersoftd/322:18:143
14968994718,5cyclictest9-21ksoftirqd/000:28:490
1496899457,9cyclictest9-21ksoftirqd/020:28:560
1496899456,9cyclictest9-21ksoftirqd/020:13:400
1496899456,4cyclictest10657-21ssh22:33:450
1496899455,8cyclictest9-21ksoftirqd/023:03:310
1496899453,6cyclictest101ktimersoftd/001:19:040
1496899446,9cyclictest9-21ksoftirqd/020:23:540
1496899446,8cyclictest9-21ksoftirqd/022:03:310
1496899446,7cyclictest9-21ksoftirqd/022:21:090
1496899446,6cyclictest9-21ksoftirqd/020:48:460
1496899446,11cyclictest9-21ksoftirqd/000:19:010
1496899445,9cyclictest9-21ksoftirqd/000:55:570
1496899445,9cyclictest9-21ksoftirqd/000:55:570
1496899445,8cyclictest9-21ksoftirqd/000:43:330
1496899445,6cyclictest12876-21ssh00:13:480
1496899444,8cyclictest32363-21ssh00:33:470
1496899444,7cyclictest9-21ksoftirqd/023:28:250
1496899444,7cyclictest9-21ksoftirqd/021:33:490
1496899443,5cyclictest3570-21ssh01:08:560
1496899442,5cyclictest9-21ksoftirqd/023:09:340
1496899442,5cyclictest9-21ksoftirqd/023:09:340
14968994419,4cyclictest9-21ksoftirqd/000:47:080
1496899441,6cyclictest101ktimersoftd/020:18:410
1496899440,7cyclictest101ktimersoftd/023:48:560
1496899440,7cyclictest101ktimersoftd/021:13:550
1496899440,6cyclictest101ktimersoftd/000:48:500
1496899440,6cyclictest101ktimersoftd/000:48:500
106891440,2ptp4l17356-21kworker/3:222:39:123
1496899436,7cyclictest9-21ksoftirqd/022:23:460
1496899436,7cyclictest9-21ksoftirqd/020:33:510
1496899435,9cyclictest9-21ksoftirqd/023:16:150
1496899435,8cyclictest9-21ksoftirqd/022:28:480
1496899435,6cyclictest9-21ksoftirqd/020:53:480
1496899434,9cyclictest9-21ksoftirqd/020:08:420
1496899434,6cyclictest9-21ksoftirqd/022:09:520
1496899433,7cyclictest9-21ksoftirqd/023:03:440
1496899432,5cyclictest9-21ksoftirqd/023:43:260
1496899431,6cyclictest9-21ksoftirqd/001:05:250
1496899431,6cyclictest101ktimersoftd/022:13:570
1496899431,6cyclictest0-21swapper/021:18:400
1496899430,7cyclictest101ktimersoftd/021:23:480
1496899430,7cyclictest101ktimersoftd/021:23:480
1496899430,7cyclictest101ktimersoftd/021:08:520
1496899427,8cyclictest9-21ksoftirqd/021:58:450
1496899426,7cyclictest9-21ksoftirqd/023:28:440
1496899426,6cyclictest9-21ksoftirqd/020:43:500
1496899426,10cyclictest9-21ksoftirqd/022:50:290
1496899425,6cyclictest9-21ksoftirqd/021:42:560
1496899425,10cyclictest9-21ksoftirqd/021:43:430
1496899424,9cyclictest9-21ksoftirqd/000:28:080
1496899424,6cyclictest9-21ksoftirqd/023:58:500
1496899424,6cyclictest9-21ksoftirqd/000:08:530
1496899423,6cyclictest9-21ksoftirqd/022:43:480
1496899421,6cyclictest9-21ksoftirqd/001:28:220
14968994216,7cyclictest9-21ksoftirqd/000:03:520
1496899420,7cyclictest101ktimersoftd/023:53:490
1496899420,7cyclictest101ktimersoftd/021:53:480
1496899420,7cyclictest101ktimersoftd/000:58:500
1496899416,7cyclictest9-21ksoftirqd/023:33:540
1496899415,6cyclictest9-21ksoftirqd/019:58:470
1496899415,6cyclictest0-21swapper/021:03:510
1496899413,6cyclictest0-21swapper/020:58:580
1496899412,6cyclictest9-21ksoftirqd/001:15:170
14968994111,2cyclictest121rcu_preempt20:03:500
106891410,1ptp4l401ktimersoftd/320:07:533
1496899404,7cyclictest9-21ksoftirqd/023:48:330
1496899404,7cyclictest9-21ksoftirqd/022:53:490
1496899396,6cyclictest9-21ksoftirqd/021:48:440
1496899394,7cyclictest9-21ksoftirqd/021:28:430
1455023917,11sleep125-21ksoftirqd/119:54:181
106891390,1ptp4l401ktimersoftd/323:14:253
106891390,1ptp4l401ktimersoftd/301:25:453
106891390,1ptp4l401ktimersoftd/300:37:363
106891380,1ptp4l401ktimersoftd/323:53:583
106891380,1ptp4l401ktimersoftd/323:34:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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