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2026-05-09 - 22:39
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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 Sat May 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151121760,3sleep0649499cyclictest10:32:250
2773521740,4sleep3650999cyclictest13:12:193
3192321620,5sleep0649499cyclictest12:42:290
3192321620,5sleep0649499cyclictest12:42:290
2875521610,4sleep3650999cyclictest13:46:443
397521530,4sleep3650999cyclictest13:53:073
1505021500,4sleep3650999cyclictest12:58:343
1068911200,3ptp4l401ktimersoftd/308:28:133
203262850,1sleep10-21swapper/111:57:301
106891750,1ptp4l401ktimersoftd/313:38:433
106891720,1ptp4l401ktimersoftd/313:07:073
106891700,1ptp4l401ktimersoftd/309:59:233
106891690,1ptp4l401ktimersoftd/311:40:553
233142680,5sleep2650399cyclictest10:12:162
106891680,1ptp4l401ktimersoftd/312:35:593
106891660,11ptp4l401ktimersoftd/311:54:483
115242620,4sleep0649499cyclictest12:55:540
162972610,3sleep016274-21idleruntime-cro11:22:000
106891600,1ptp4l401ktimersoftd/313:51:003
106891590,1ptp4l401ktimersoftd/311:08:273
6509995746,5cyclictest41-21ksoftirqd/312:07:113
106891570,1ptp4l401ktimersoftd/310:49:413
106891540,1ptp4l401ktimersoftd/312:29:573
106891530,1ptp4l401ktimersoftd/313:17:453
317992520,3sleep031760-21ssh11:37:130
106891520,1ptp4l401ktimersoftd/312:17:403
62302514,36sleep00-21swapper/008:29:480
79192500,2sleep10-21swapper/113:24:581
650399507,7cyclictest33-21ksoftirqd/210:02:122
650399503,8cyclictest10430-21dpkg09:46:582
6503995019,8cyclictest33-21ksoftirqd/210:32:282
63522505,34sleep20-21swapper/208:31:242
650399487,7cyclictest33-21ksoftirqd/211:57:142
650399483,7cyclictest33-21ksoftirqd/211:47:362
650399482,9cyclictest321ktimersoftd/213:37:032
650399473,8cyclictest321ktimersoftd/212:32:232
650399471,7cyclictest13488-21timerwakeupswit11:17:292
106891470,1ptp4l401ktimersoftd/310:23:533
6509994634,5cyclictest41-21ksoftirqd/312:42:133
6509994634,5cyclictest41-21ksoftirqd/312:42:133
650399469,8cyclictest33-21ksoftirqd/213:10:042
650399467,7cyclictest33-21ksoftirqd/212:55:262
650399467,6cyclictest33-21ksoftirqd/213:44:242
650399463,8cyclictest321ktimersoftd/212:22:162
6503994622,9cyclictest33-21ksoftirqd/211:02:172
6503994610,7cyclictest33-21ksoftirqd/211:37:472
650399457,7cyclictest33-21ksoftirqd/212:40:292
650399454,6cyclictest33-21ksoftirqd/210:52:552
650399454,6cyclictest33-21ksoftirqd/210:52:552
6503994515,9cyclictest33-21ksoftirqd/210:27:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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