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2026-04-16 - 05:36
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 16, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911760,5ptp4l401ktimersoftd/320:14:453
656621610,5sleep0264599cyclictest00:40:070
3049221570,3sleep2265699cyclictest00:32:142
2844921460,4sleep0264599cyclictest22:51:070
67512780,4sleep36755-21irqrtprio22:29:183
106891710,1ptp4l401ktimersoftd/301:31:433
106891680,9ptp4l401ktimersoftd/323:57:453
162402670,5sleep3401ktimersoftd/300:49:383
72192600,1sleep30-21swapper/300:09:033
319792600,3sleep1241ktimersoftd/101:06:421
101772600,2sleep10-21swapper/100:11:091
321712590,2sleep20-21swapper/201:39:312
106891590,1ptp4l401ktimersoftd/301:28:243
2650995841,9cyclictest25-21ksoftirqd/123:03:131
106891580,1ptp4l401ktimersoftd/322:45:383
23162574,42sleep00-21swapper/020:16:020
106891550,1ptp4l401ktimersoftd/300:18:573
93582530,4sleep0264599cyclictest00:09:440
2656995044,3cyclictest33-21ksoftirqd/222:29:122
106891500,1ptp4l401ktimersoftd/322:27:163
264599494,6cyclictest9-21ksoftirqd/022:24:180
23542494,34sleep10-21swapper/120:16:311
264599475,9cyclictest9-21ksoftirqd/022:19:060
264599474,6cyclictest0-21swapper/000:14:120
106891470,2ptp4l7408-21kworker/3:001:05:583
264599466,8cyclictest0-21swapper/023:38:540
264599466,6cyclictest9-21ksoftirqd/023:14:180
264599464,7cyclictest912-21awk01:09:020
2645994620,6cyclictest9-21ksoftirqd/000:29:190
106891460,5ptp4l401ktimersoftd/323:39:463
264599456,9cyclictest9-21ksoftirqd/001:39:190
264599456,9cyclictest9-21ksoftirqd/000:49:310
264599456,8cyclictest9-21ksoftirqd/023:22:560
264599456,6cyclictest9-21ksoftirqd/023:13:590
264599454,8cyclictest9-21ksoftirqd/023:03:590
106891450,11ptp4l401ktimersoftd/301:42:363
264599446,9cyclictest9-21ksoftirqd/023:44:130
264599446,10cyclictest9-21ksoftirqd/020:34:190
264599444,9cyclictest9-21ksoftirqd/020:59:080
264599444,9cyclictest9-21ksoftirqd/020:59:080
264599444,6cyclictest9-21ksoftirqd/021:33:570
264599444,5cyclictest101ktimersoftd/023:08:590
264599443,6cyclictest9-21ksoftirqd/022:54:120
264599441,8cyclictest101ktimersoftd/020:49:140
2645994418,5cyclictest9-21ksoftirqd/001:24:160
264599440,7cyclictest101ktimersoftd/022:48:590
264599440,40cyclictest101ktimersoftd/022:34:270
258892440,4sleep2311rcuc/200:27:442
264599437,6cyclictest9-21ksoftirqd/021:54:190
264599437,4cyclictest2805-21diskstats00:04:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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