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2026-05-04 - 23:39
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Mon May 04, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1900521720,5sleep21389599cyclictest11:45:042
1211721480,4sleep31390499cyclictest11:05:593
856621420,3sleep01388499cyclictest11:34:380
106891840,3ptp4l401ktimersoftd/308:24:563
9332700,2sleep00-21swapper/011:59:430
144382640,2sleep30-21swapper/308:29:253
269732630,3sleep125-21ksoftirqd/112:26:461
140552610,4sleep09-21ksoftirqd/011:09:130
137652614,10sleep20-21swapper/208:28:572
69942570,4sleep09-21ksoftirqd/013:12:510
69942570,4sleep09-21ksoftirqd/013:12:510
282422550,1sleep00-21swapper/010:04:290
13884995548,4cyclictest9-21ksoftirqd/009:24:240
258032540,2sleep10-21swapper/112:59:231
13884995447,4cyclictest9-21ksoftirqd/012:24:280
13884995447,4cyclictest9-21ksoftirqd/008:39:220
13884995246,4cyclictest9-21ksoftirqd/010:19:240
13884995246,4cyclictest9-21ksoftirqd/009:34:240
13884995245,3cyclictest9-21ksoftirqd/011:14:260
13884995245,3cyclictest9-21ksoftirqd/009:19:230
13884995144,4cyclictest9-21ksoftirqd/013:24:280
82272500,2sleep10-21swapper/111:02:431
13884995045,3cyclictest9-21ksoftirqd/010:29:250
13884995030,10cyclictest9-21ksoftirqd/012:39:310
81542490,2sleep20-21swapper/211:02:362
193972490,2sleep10-21swapper/113:24:361
13884994925,14cyclictest9-21ksoftirqd/012:19:390
13884994640,3cyclictest9-21ksoftirqd/010:24:260
1388499460,3cyclictest9-21ksoftirqd/012:09:440
13904994522,14cyclictest46850irq/99-ens3-TxR13:29:283
1390499451,8cyclictest32455-21/usr/sbin/munin11:59:333
13884994520,4cyclictest9-21ksoftirqd/013:49:410
13884994432,3cyclictest9-21ksoftirqd/010:59:310
1388499442,6cyclictest9-21ksoftirqd/013:19:260
13884994422,4cyclictest9-21ksoftirqd/013:08:270
13884994420,4cyclictest9-21ksoftirqd/008:54:260
13884994420,4cyclictest9-21ksoftirqd/008:49:330
122112444,24sleep112264-21/usr/sbin/munin08:24:281
17482430,6sleep01752-21fschecks_time12:34:320
1388499436,3cyclictest9-21ksoftirqd/011:09:350
1390499424,7cyclictest21508-21cut09:49:303
1390499424,7cyclictest21508-21cut09:49:303
13884994237,3cyclictest9-21ksoftirqd/011:29:180
13884994235,3cyclictest9-21ksoftirqd/009:09:220
13884994231,3cyclictest9-21ksoftirqd/012:54:150
13884994218,4cyclictest9-21ksoftirqd/009:54:310
13884994212,7cyclictest9-21ksoftirqd/008:59:400
13884994134,3cyclictest9-21ksoftirqd/008:34:100
1388499413,3cyclictest9-21ksoftirqd/012:44:340
13884994130,3cyclictest9-21ksoftirqd/008:34:230
13884994118,3cyclictest9-21ksoftirqd/013:35:560
13884994117,4cyclictest9-21ksoftirqd/010:34:270
13884994111,7cyclictest9-21ksoftirqd/011:59:150
1390499406,5cyclictest41-21ksoftirqd/312:25:333
1390499405,4cyclictest41-21ksoftirqd/310:39:073
13884994034,3cyclictest9-21ksoftirqd/013:39:210
13884994034,3cyclictest9-21ksoftirqd/008:29:100
13884994030,3cyclictest9-21ksoftirqd/010:39:400
13884994024,13cyclictest9-21ksoftirqd/012:54:390
13884994017,4cyclictest9-21ksoftirqd/011:20:490
13884994016,4cyclictest9-21ksoftirqd/013:00:540
13884994011,7cyclictest9-21ksoftirqd/011:39:440
106891400,1ptp4l401ktimersoftd/311:29:493
1390499396,6cyclictest41-21ksoftirqd/311:40:063
1390499396,6cyclictest24410-21grep11:19:273
1390499396,5cyclictest41-21ksoftirqd/313:35:143
13889993933,3cyclictest25-21ksoftirqd/108:49:101
1388499394,5cyclictest121rcu_preempt10:44:410
13884993927,9cyclictest9-21ksoftirqd/010:49:270
106891390,1ptp4l401ktimersoftd/313:56:013
106891390,1ptp4l401ktimersoftd/313:40:253
106891390,1ptp4l401ktimersoftd/313:21:403
106891390,1ptp4l401ktimersoftd/312:37:143
106891390,1ptp4l401ktimersoftd/312:24:053
1390499387,4cyclictest41-21ksoftirqd/310:50:583
1390499386,5cyclictest41-21ksoftirqd/310:30:393
1390499385,5cyclictest41-21ksoftirqd/311:14:063
1388499388,9cyclictest9-21ksoftirqd/011:49:420
1388499384,3cyclictest9-21ksoftirqd/013:29:350
13884993828,3cyclictest9-21ksoftirqd/011:24:430
13884993828,3cyclictest9-21ksoftirqd/011:24:430
1388499382,7cyclictest9-21ksoftirqd/013:54:400
13884993827,3cyclictest9-21ksoftirqd/013:45:210
13884993827,3cyclictest9-21ksoftirqd/013:19:160
13884993825,10cyclictest9-21ksoftirqd/012:04:450
13884993822,3cyclictest9-21ksoftirqd/011:46:500
13884993816,3cyclictest9-21ksoftirqd/010:57:420
13884993810,7cyclictest9-21ksoftirqd/010:09:320
106891380,1ptp4l401ktimersoftd/313:05:333
106891380,1ptp4l401ktimersoftd/312:48:143
106891380,1ptp4l401ktimersoftd/312:40:383
106891380,1ptp4l401ktimersoftd/312:17:203
106891380,1ptp4l401ktimersoftd/311:50:333
106891380,1ptp4l401ktimersoftd/311:15:123
106891380,1ptp4l401ktimersoftd/311:01:503
106891380,1ptp4l401ktimersoftd/310:39:333
1390499377,4cyclictest41-21ksoftirqd/313:45:203
1390499375,5cyclictest41-21ksoftirqd/311:57:113
1390499375,5cyclictest41-21ksoftirqd/311:48:433
13904993716,4cyclictest41-21ksoftirqd/312:59:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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