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2026-08-15 - 15:09
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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 Aug 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3032121710,5sleep12782899cyclictest23:33:391
1068911630,4ptp4l401ktimersoftd/321:23:463
1037521610,6sleep12782899cyclictest23:01:031
207512770,2sleep30-21swapper/302:10:593
271852744,10sleep00-21swapper/021:21:160
27835996956,5cyclictest33-21ksoftirqd/222:05:592
207142660,3sleep10-21swapper/101:03:241
6102630,3sleep341-21ksoftirqd/302:22:283
27835996251,5cyclictest33-21ksoftirqd/202:26:042
98592610,5sleep031219-1kworker/u9:201:26:040
116562590,2sleep30-21swapper/321:56:063
106891580,1ptp4l401ktimersoftd/302:34:033
106891580,1ptp4l401ktimersoftd/300:54:423
27835995744,6cyclictest33-21ksoftirqd/202:46:052
27835995645,5cyclictest33-21ksoftirqd/200:56:032
106891560,1ptp4l401ktimersoftd/302:07:143
106891560,1ptp4l401ktimersoftd/301:39:253
27835995547,4cyclictest33-21ksoftirqd/200:26:032
27835995431,3cyclictest33-21ksoftirqd/221:56:152
156982540,2sleep20-21swapper/202:05:532
106891530,1ptp4l401ktimersoftd/300:56:183
27835995233,3cyclictest33-21ksoftirqd/222:16:052
27835995233,3cyclictest33-21ksoftirqd/222:16:052
87722500,2sleep30-21swapper/301:24:583
288362500,4sleep12782899cyclictest01:45:521
27835994837,5cyclictest33-21ksoftirqd/200:16:042
27835994732,3cyclictest33-21ksoftirqd/202:06:212
27835994723,7cyclictest33-21ksoftirqd/222:40:522
27835994720,4cyclictest33-21ksoftirqd/223:45:492
27835994538,3cyclictest33-21ksoftirqd/221:45:502
27835994525,3cyclictest33-21ksoftirqd/202:51:042
27835994437,3cyclictest33-21ksoftirqd/201:21:042
27835994433,4cyclictest33-21ksoftirqd/221:26:022
27835994427,14cyclictest33-21ksoftirqd/200:42:172
106891440,2ptp4l22369-21kworker/3:222:49:513
27835994318,4cyclictest33-21ksoftirqd/200:46:042
27835994217,4cyclictest33-21ksoftirqd/201:27:592
27835994217,4cyclictest33-21ksoftirqd/200:01:182
27835994217,4cyclictest33-21ksoftirqd/200:01:182
27835994126,12cyclictest33-21ksoftirqd/223:51:202
193892410,2sleep10-21swapper/122:11:091
106891410,2ptp4l14598-21kworker/3:201:32:263
106891410,1ptp4l401ktimersoftd/301:56:053
27835994027,10cyclictest33-21ksoftirqd/201:46:202
27835994027,10cyclictest33-21ksoftirqd/201:36:122
27835994025,11cyclictest33-21ksoftirqd/222:01:002
27835994017,4cyclictest33-21ksoftirqd/200:11:082
27835994016,4cyclictest33-21ksoftirqd/200:00:272
27835994013,4cyclictest33-21ksoftirqd/201:51:562
27828994033,4cyclictest25-21ksoftirqd/101:31:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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