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2026-07-18 - 13:28
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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 Jul 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2925021710,1sleep00-21swapper/001:27:120
1040521700,5sleep02893899cyclictest01:40:490
2728421670,4sleep12894499cyclictest23:15:081
3020521650,5sleep32895499cyclictest02:00:523
2487221650,5sleep22894999cyclictest22:05:442
1799121480,3sleep02893899cyclictest01:49:490
1068911030,3ptp4l401ktimersoftd/321:06:373
159542770,3sleep12894499cyclictest00:08:041
269542700,4sleep20-21swapper/221:05:322
265792700,4sleep22894999cyclictest23:13:572
16862700,5sleep22894999cyclictest01:00:242
106891640,1ptp4l401ktimersoftd/302:38:273
267902594,40sleep00-21swapper/021:05:310
28944995847,6cyclictest25-21ksoftirqd/122:05:321
106891570,1ptp4l401ktimersoftd/300:09:093
299782560,2sleep10-21swapper/100:21:491
291922540,3sleep2311rcuc/202:00:432
28944995443,5cyclictest25-21ksoftirqd/122:50:351
28944995341,5cyclictest25-21ksoftirqd/121:25:311
106891510,1ptp4l401ktimersoftd/301:29:323
106891500,1ptp4l401ktimersoftd/301:59:333
28944994937,6cyclictest25-21ksoftirqd/123:40:331
106891490,1ptp4l401ktimersoftd/301:01:373
28944994833,3cyclictest25-21ksoftirqd/121:40:481
28944994736,6cyclictest25-21ksoftirqd/123:20:341
28944994723,4cyclictest25-21ksoftirqd/101:45:431
28944994722,4cyclictest25-21ksoftirqd/123:55:361
28944994715,8cyclictest25-21ksoftirqd/100:40:431
106891470,13ptp4l11792-21kworker/3:101:24:393
28944994635,3cyclictest25-21ksoftirqd/100:50:371
28944994622,4cyclictest25-21ksoftirqd/102:20:471
28944994621,4cyclictest25-21ksoftirqd/121:35:321
106891460,2ptp4l11792-21kworker/3:100:52:553
106891450,2ptp4l4313-21kworker/3:202:12:463
28944994421,4cyclictest25-21ksoftirqd/101:00:451
2894499440,3cyclictest121rcu_preempt02:30:381
28944994336,3cyclictest25-21ksoftirqd/123:15:271
28944994320,3cyclictest25-21ksoftirqd/100:20:241
28944994319,4cyclictest25-21ksoftirqd/121:10:391
28944994319,4cyclictest25-21ksoftirqd/102:05:411
28944994234,4cyclictest25-21ksoftirqd/123:30:281
28944994219,3cyclictest25-21ksoftirqd/102:20:261
28944994218,4cyclictest25-21ksoftirqd/101:15:481
2894499415,7cyclictest25-21ksoftirqd/101:25:421
28944994135,3cyclictest25-21ksoftirqd/102:00:251
28944994134,4cyclictest25-21ksoftirqd/122:55:261
28944994132,4cyclictest25-21ksoftirqd/122:30:321
28944994127,11cyclictest25-21ksoftirqd/123:25:391
28944994118,7cyclictest25-21ksoftirqd/100:35:411
28944994118,4cyclictest25-21ksoftirqd/123:05:491
28944994116,4cyclictest25-21ksoftirqd/100:00:371
28944994112,5cyclictest25-21ksoftirqd/121:55:371
106891410,1ptp4l401ktimersoftd/323:15:413
2894499409,5cyclictest25-21ksoftirqd/101:05:251
28944994029,3cyclictest25-21ksoftirqd/102:30:271
2894499402,3cyclictest25-21ksoftirqd/100:55:421
28944994021,16cyclictest25-21ksoftirqd/121:15:501
28944994016,4cyclictest25-21ksoftirqd/123:54:391
28944994013,5cyclictest25-21ksoftirqd/121:45:481
2894499393,3cyclictest121rcu_preempt01:40:251
28944993929,5cyclictest25-21ksoftirqd/123:00:351
28944993925,11cyclictest25-21ksoftirqd/101:40:471
28944993920,6cyclictest25-21ksoftirqd/102:35:551
28944993918,7cyclictest25-21ksoftirqd/101:24:561
28944993916,4cyclictest25-21ksoftirqd/101:34:291
106891390,1ptp4l401ktimersoftd/322:30:213
106891390,1ptp4l401ktimersoftd/300:39:403
28944993834,2cyclictest25-21ksoftirqd/102:00:301
28944993820,6cyclictest25-21ksoftirqd/122:10:351
28944993816,4cyclictest25-21ksoftirqd/100:10:521
28944993815,4cyclictest25-21ksoftirqd/122:35:391
28944993810,8cyclictest25-21ksoftirqd/121:30:411
106891380,3ptp4l11792-21kworker/3:101:42:213
106891380,1ptp4l401ktimersoftd/323:49:073
106891380,1ptp4l401ktimersoftd/323:38:473
106891380,1ptp4l401ktimersoftd/323:29:283
106891380,1ptp4l401ktimersoftd/302:24:503
106891380,1ptp4l401ktimersoftd/301:47:003
106891380,1ptp4l401ktimersoftd/301:31:483
106891380,1ptp4l401ktimersoftd/301:18:133
106891380,1ptp4l401ktimersoftd/301:05:433
106891380,1ptp4l401ktimersoftd/300:58:373
106891380,1ptp4l401ktimersoftd/300:30:593
106891380,1ptp4l401ktimersoftd/300:18:483
28944993727,3cyclictest25-21ksoftirqd/100:45:431
28944993713,4cyclictest25-21ksoftirqd/101:50:551
28944993713,4cyclictest25-21ksoftirqd/101:50:551
106891370,1ptp4l401ktimersoftd/323:55:103
106891370,1ptp4l401ktimersoftd/323:14:093
106891370,1ptp4l401ktimersoftd/321:36:083
106891370,1ptp4l401ktimersoftd/321:11:353
106891370,1ptp4l401ktimersoftd/302:27:213
106891370,1ptp4l401ktimersoftd/302:19:173
106891370,1ptp4l401ktimersoftd/301:52:053
106891370,1ptp4l401ktimersoftd/301:52:053
106891370,1ptp4l401ktimersoftd/301:36:103
106891370,1ptp4l401ktimersoftd/301:10:273
106891370,1ptp4l401ktimersoftd/300:27:053
106891370,1ptp4l401ktimersoftd/300:10:313
106891370,1ptp4l401ktimersoftd/300:03:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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