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2026-06-23 - 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 Tue Jun 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1072521800,5sleep32345099cyclictest23:56:003
924621650,4sleep12343799cyclictest00:26:531
1068911090,3ptp4l401ktimersoftd/320:53:203
1068911090,3ptp4l401ktimersoftd/320:53:203
106891690,1ptp4l401ktimersoftd/300:01:193
230742674,10sleep00-21swapper/020:53:210
230742674,10sleep00-21swapper/020:53:210
225312654,10sleep10-21swapper/120:51:571
225312654,10sleep10-21swapper/120:51:571
277622620,2sleep30-21swapper/323:39:423
78822610,2sleep37880-21grep01:31:513
106891580,1ptp4l401ktimersoftd/322:58:483
235432560,3sleep22344299cyclictest02:21:162
235432560,3sleep22344299cyclictest02:21:162
106891560,2ptp4l9184-21kworker/3:101:52:093
106891560,1ptp4l401ktimersoftd/321:34:383
106891540,1ptp4l401ktimersoftd/323:08:053
100382510,2sleep20-21swapper/223:21:502
156072500,2sleep30-21swapper/300:32:253
106891500,1ptp4l401ktimersoftd/301:03:583
23437994939,4cyclictest25-21ksoftirqd/123:46:481
23430994941,4cyclictest9-21ksoftirqd/023:16:480
106891480,1ptp4l401ktimersoftd/323:13:063
23430994639,4cyclictest9-21ksoftirqd/023:31:450
23430994617,3cyclictest9-21ksoftirqd/021:31:550
106891460,1ptp4l401ktimersoftd/302:05:053
106891460,1ptp4l401ktimersoftd/300:24:113
106891460,1ptp4l401ktimersoftd/300:24:113
23430994538,4cyclictest9-21ksoftirqd/000:21:490
23430994538,4cyclictest9-21ksoftirqd/000:21:490
23430994437,4cyclictest9-21ksoftirqd/001:11:490
23430994437,4cyclictest9-21ksoftirqd/000:51:510
2343099434,8cyclictest121rcu_preempt01:05:000
23430994337,3cyclictest9-21ksoftirqd/023:51:500
23430994336,4cyclictest9-21ksoftirqd/000:11:460
34282420,3sleep30-21swapper/323:47:043
23430994237,3cyclictest9-21ksoftirqd/000:06:470
106891420,1ptp4l401ktimersoftd/322:13:083
106891420,0ptp4l401ktimersoftd/323:46:063
23430994135,4cyclictest9-21ksoftirqd/002:16:510
23430994135,4cyclictest9-21ksoftirqd/002:16:510
23430994134,4cyclictest9-21ksoftirqd/023:21:470
2343099395,31cyclictest9-21ksoftirqd/002:06:570
23430993933,3cyclictest9-21ksoftirqd/021:56:460
23430993911,4cyclictest9-21ksoftirqd/023:06:350
106891390,1ptp4l401ktimersoftd/300:16:373
106891390,1ptp4l401ktimersoftd/300:16:253
23430993832,4cyclictest9-21ksoftirqd/001:06:500
106891380,1ptp4l401ktimersoftd/323:31:223
106891380,1ptp4l401ktimersoftd/302:19:403
106891380,1ptp4l401ktimersoftd/302:19:403
106891380,1ptp4l401ktimersoftd/301:37:403
106891380,1ptp4l401ktimersoftd/300:40:233
106891380,1ptp4l401ktimersoftd/300:28:143
106891380,0ptp4l401ktimersoftd/323:04:103
23430993732,3cyclictest9-21ksoftirqd/022:56:390
23430993730,4cyclictest9431-21sh22:41:340
106891370,1ptp4l401ktimersoftd/323:32:333
106891370,1ptp4l401ktimersoftd/323:23:533
106891370,1ptp4l401ktimersoftd/323:18:503
106891370,1ptp4l401ktimersoftd/301:50:383
106891370,1ptp4l401ktimersoftd/301:27:123
106891370,1ptp4l401ktimersoftd/301:22:353
106891370,1ptp4l401ktimersoftd/301:14:463
106891370,1ptp4l401ktimersoftd/301:07:563
106891370,1ptp4l401ktimersoftd/300:08:203
106891370,0ptp4l401ktimersoftd/302:22:353
106891370,0ptp4l401ktimersoftd/302:08:593
2343099369,4cyclictest9-21ksoftirqd/001:54:420
2343099360,3cyclictest121rcu_preempt01:41:510
106891360,1ptp4l401ktimersoftd/321:17:023
106891360,1ptp4l401ktimersoftd/302:00:113
106891360,1ptp4l401ktimersoftd/301:42:403
106891360,1ptp4l401ktimersoftd/300:57:413
106891360,1ptp4l401ktimersoftd/300:47:323
106891360,0ptp4l401ktimersoftd/300:42:493
23437993524,4cyclictest25-21ksoftirqd/102:11:511
23437993524,4cyclictest25-21ksoftirqd/102:11:511
23437993510,4cyclictest25-21ksoftirqd/101:41:511
23430993530,3cyclictest9-21ksoftirqd/022:51:390
23430993529,3cyclictest9-21ksoftirqd/023:06:470
23430993521,3cyclictest9-21ksoftirqd/023:37:030
230712359,14sleep2646-21in:imuxsock20:53:192
230712359,14sleep2646-21in:imuxsock20:53:192
106891350,1ptp4l401ktimersoftd/301:19:563
59922340,4sleep1241ktimersoftd/100:56:521
23430993429,3cyclictest9-21ksoftirqd/000:01:370
23430993428,3cyclictest9-21ksoftirqd/001:26:390
23430993423,3cyclictest9-21ksoftirqd/000:47:080
106891340,1ptp4l401ktimersoftd/321:01:503
106891340,0ptp4l401ktimersoftd/300:55:333
23450993324,5cyclictest41-21ksoftirqd/322:06:453
23442993327,3cyclictest5202-21fschecks_count23:16:502
23430993328,3cyclictest9-21ksoftirqd/000:16:530
23430993327,3cyclictest9-21ksoftirqd/022:51:350
23430993327,3cyclictest9-21ksoftirqd/022:46:340
23430993327,3cyclictest9-21ksoftirqd/022:46:340
23430993327,3cyclictest9-21ksoftirqd/000:41:500
23430993313,7cyclictest9-21ksoftirqd/001:37:030
106891330,1ptp4l401ktimersoftd/300:04:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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