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2026-08-25 - 04:14
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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 Aug 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122421780,4sleep0650899cyclictest01:43:080
610821750,5sleep1651499cyclictest01:48:111
1068911200,8ptp4l11706-21kworker/3:221:28:013
106891690,1ptp4l401ktimersoftd/300:31:003
62322664,10sleep20-21swapper/221:29:012
106891660,1ptp4l401ktimersoftd/301:17:173
165802640,2sleep30-21swapper/301:59:053
109092600,2sleep20-21swapper/201:21:222
138442590,4sleep3652499cyclictest23:44:593
60682584,42sleep00-21swapper/021:26:530
106891580,1ptp4l401ktimersoftd/323:52:103
106891580,1ptp4l401ktimersoftd/302:02:233
172072560,4sleep117211-21timerandwakeup22:56:481
109242560,1sleep30-21swapper/300:15:033
106891560,1ptp4l401ktimersoftd/301:03:443
106891550,1ptp4l401ktimersoftd/302:44:553
85762540,4sleep233-21ksoftirqd/222:41:232
106891540,1ptp4l401ktimersoftd/323:31:343
106891540,1ptp4l401ktimersoftd/301:40:123
286312530,2sleep20-21swapper/200:00:042
286312530,2sleep20-21swapper/200:00:042
166022530,3sleep10-21swapper/101:26:391
6524995044,3cyclictest41-21ksoftirqd/323:36:353
106891500,1ptp4l401ktimersoftd/321:47:323
650899477,8cyclictest25293-21sh01:01:430
158182470,2sleep00-21swapper/000:20:010
106891460,1ptp4l401ktimersoftd/323:27:223
650899444,6cyclictest20572-21ssh02:41:390
650899441,11cyclictest32283-21diskmemload00:05:140
64632440,1sleep10-21swapper/100:42:071
210702420,1sleep20-21swapper/200:56:572
6524994133,4cyclictest41-21ksoftirqd/302:56:353
106891410,1ptp4l401ktimersoftd/301:45:293
6524994030,4cyclictest41-21ksoftirqd/301:31:363
6524994030,4cyclictest41-21ksoftirqd/301:31:363
650899405,5cyclictest9-21ksoftirqd/002:31:400
650899403,7cyclictest101ktimersoftd/001:06:420
650899403,4cyclictest9-21ksoftirqd/001:55:090
106891400,1ptp4l401ktimersoftd/300:04:093
106891390,9ptp4l401ktimersoftd/323:17:533
106891390,1ptp4l401ktimersoftd/321:51:283
106891390,1ptp4l401ktimersoftd/302:06:433
106891390,1ptp4l401ktimersoftd/301:06:343
650899384,5cyclictest9-21ksoftirqd/022:04:460
650899383,5cyclictest9-21ksoftirqd/002:51:370
650899383,5cyclictest9-21ksoftirqd/001:21:110
650899383,5cyclictest9-21ksoftirqd/000:31:430
106891380,2ptp4l29372-21kworker/3:200:06:383
106891380,1ptp4l401ktimersoftd/302:34:543
106891380,1ptp4l401ktimersoftd/302:19:163
106891380,1ptp4l401ktimersoftd/300:25:563
106891380,10ptp4l401ktimersoftd/301:46:593
650899373,5cyclictest9-21ksoftirqd/022:51:340
650899373,5cyclictest9-21ksoftirqd/000:58:500
106891370,1ptp4l401ktimersoftd/302:48:503
106891370,1ptp4l401ktimersoftd/302:40:193
106891370,1ptp4l401ktimersoftd/302:27:393
106891370,1ptp4l401ktimersoftd/302:14:343
106891370,1ptp4l401ktimersoftd/301:56:153
106891370,1ptp4l401ktimersoftd/301:30:003
106891370,1ptp4l401ktimersoftd/301:26:113
106891370,1ptp4l401ktimersoftd/301:13:143
106891370,1ptp4l401ktimersoftd/300:38:183
106891370,1ptp4l401ktimersoftd/300:00:163
106891370,1ptp4l401ktimersoftd/300:00:163
650899363,9cyclictest9-21ksoftirqd/023:37:480
650899363,5cyclictest9-21ksoftirqd/002:01:290
650899363,5cyclictest9-21ksoftirqd/001:21:510
106891360,1ptp4l401ktimersoftd/323:47:303
106891360,1ptp4l401ktimersoftd/302:52:183
106891360,1ptp4l401ktimersoftd/302:22:083
106891360,1ptp4l401ktimersoftd/300:58:303
106891360,1ptp4l401ktimersoftd/300:47:103
106891360,1ptp4l401ktimersoftd/300:43:453
106891360,1ptp4l401ktimersoftd/300:32:003
106891350,0ptp4l401ktimersoftd/322:21:413
6524993428,3cyclictest41-21ksoftirqd/322:51:373
6524993428,3cyclictest41-21ksoftirqd/322:11:183
650899345,7cyclictest0-21swapper/002:06:310
650899345,6cyclictest9-21ksoftirqd/000:24:380
650899343,6cyclictest9-21ksoftirqd/023:54:460
650899343,5cyclictest9-21ksoftirqd/002:58:550
650899342,5cyclictest0-21swapper/023:41:550
106891340,2ptp4l12768-21kworker/3:023:21:263
106891340,1ptp4l401ktimersoftd/300:53:053
6524993326,4cyclictest41-21ksoftirqd/322:46:313
650899335,8cyclictest2599-21ssh00:38:560
650899333,5cyclictest9-21ksoftirqd/000:12:500
6524993226,3cyclictest41-21ksoftirqd/322:46:193
6524993226,3cyclictest41-21ksoftirqd/322:21:183
6524993226,3cyclictest41-21ksoftirqd/322:21:183
6524993222,6cyclictest41-21ksoftirqd/321:31:293
6524993222,5cyclictest41-21ksoftirqd/321:56:303
6514993227,3cyclictest25-21ksoftirqd/101:51:281
6514993226,3cyclictest25-21ksoftirqd/102:51:241
650899326,9cyclictest9-21ksoftirqd/023:35:490
650899323,5cyclictest9-21ksoftirqd/001:15:480
650899323,5cyclictest9-21ksoftirqd/000:42:520
617423210,10sleep10-21swapper/121:28:151
106891320,2ptp4l12768-21kworker/3:023:10:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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