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2026-08-15 - 09:22
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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 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
106891400,1ptp4l401ktimersoftd/323:31:033
106891400,1ptp4l401ktimersoftd/300:29:093
27835993928,3cyclictest33-21ksoftirqd/222:21:012
27835993928,3cyclictest33-21ksoftirqd/222:21:012
27835993923,4cyclictest33-21ksoftirqd/200:51:212
27835993918,8cyclictest33-21ksoftirqd/202:16:542
27835993915,4cyclictest33-21ksoftirqd/201:01:102
27835993915,13cyclictest33-21ksoftirqd/201:15:522
27835993914,4cyclictest33-21ksoftirqd/201:34:302
170122390,3sleep30-21swapper/322:06:093
106891390,1ptp4l401ktimersoftd/323:37:363
106891390,1ptp4l401ktimersoftd/300:21:433
106891390,1ptp4l401ktimersoftd/300:06:023
106891390,1ptp4l401ktimersoftd/300:06:023
27835993824,10cyclictest33-21ksoftirqd/200:36:062
27835993820,8cyclictest33-21ksoftirqd/200:31:112
27835993816,7cyclictest33-21ksoftirqd/202:31:132
27835993815,3cyclictest33-21ksoftirqd/222:51:102
2783599381,4cyclictest1075-21sh00:10:502
2783599381,4cyclictest1075-21sh00:10:502
27828993831,3cyclictest25-21ksoftirqd/101:11:011
106891380,1ptp4l401ktimersoftd/323:06:473
106891380,1ptp4l401ktimersoftd/302:18:223
106891380,0ptp4l401ktimersoftd/302:42:333
106891380,0ptp4l401ktimersoftd/300:37:093
27835993732,3cyclictest33-21ksoftirqd/221:55:462
27835993724,10cyclictest33-21ksoftirqd/201:41:192
27835993723,11cyclictest33-21ksoftirqd/222:11:022
27835993721,3cyclictest33-21ksoftirqd/202:21:072
27835993718,10cyclictest33-21ksoftirqd/200:21:062
27835993716,8cyclictest33-21ksoftirqd/222:31:012
27835993716,7cyclictest33-21ksoftirqd/201:57:442
2783599371,3cyclictest33-21ksoftirqd/202:36:222
2783599370,3cyclictest121rcu_preempt01:15:552
2782899370,3cyclictest121rcu_preempt22:35:481
106891370,2ptp4l3785-21kworker/3:002:36:193
106891370,1ptp4l401ktimersoftd/302:30:363
106891370,1ptp4l401ktimersoftd/302:03:383
106891370,1ptp4l401ktimersoftd/301:55:153
106891370,1ptp4l401ktimersoftd/301:43:303
106891370,1ptp4l401ktimersoftd/301:06:013
106891370,1ptp4l401ktimersoftd/300:43:193
106891370,1ptp4l401ktimersoftd/300:05:433
106891370,1ptp4l401ktimersoftd/300:05:433
27835993630,3cyclictest14900-21apt-get23:10:532
27835993629,4cyclictest33-21ksoftirqd/223:31:122
27835993629,3cyclictest33-21ksoftirqd/222:40:482
27835993627,3cyclictest33-21ksoftirqd/223:39:392
27835993619,13cyclictest33-21ksoftirqd/202:41:172
27835993613,4cyclictest33-21ksoftirqd/221:36:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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