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2026-06-01 - 05:00
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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 Jun 01, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911550,5ptp4l401ktimersoftd/320:40:353
1068911550,5ptp4l401ktimersoftd/320:40:353
1934621540,5sleep32755499cyclictest23:14:483
1113721470,4sleep12754499cyclictest23:06:391
1712721450,3sleep22754999cyclictest23:45:142
106891710,1ptp4l401ktimersoftd/323:01:183
106891680,1ptp4l401ktimersoftd/301:53:563
246952620,2sleep10-21swapper/122:47:561
187192610,4sleep09-21ksoftirqd/022:39:400
76532600,2sleep10-21swapper/100:43:151
316192580,2sleep20-21swapper/200:00:082
106891570,1ptp4l401ktimersoftd/323:27:313
106891570,1ptp4l401ktimersoftd/300:36:093
271502554,38sleep10-21swapper/120:40:401
271502554,38sleep10-21swapper/120:40:401
27540994942,4cyclictest9-21ksoftirqd/002:04:420
27540994942,4cyclictest9-21ksoftirqd/002:04:420
30092480,2sleep10-21swapper/122:04:521
106891480,0ptp4l401ktimersoftd/300:25:193
106891460,1ptp4l401ktimersoftd/323:46:163
27540994539,3cyclictest9-21ksoftirqd/023:29:380
27540994539,3cyclictest9-21ksoftirqd/020:49:360
106891450,2ptp4l24704-21kworker/3:100:19:483
27540994437,4cyclictest9-21ksoftirqd/020:59:360
27540994437,4cyclictest9-21ksoftirqd/001:59:420
27540994437,4cyclictest9-21ksoftirqd/001:59:420
254152440,1sleep20-21swapper/222:49:092
106891440,1ptp4l401ktimersoftd/301:19:363
27540994338,3cyclictest9-21ksoftirqd/023:24:370
27540994336,4cyclictest9-21ksoftirqd/023:59:390
27540994336,4cyclictest9-21ksoftirqd/022:59:370
27540994336,4cyclictest9-21ksoftirqd/021:14:340
27554994236,3cyclictest41-21ksoftirqd/301:09:403
27554994235,3cyclictest41-21ksoftirqd/301:04:393
27540994236,3cyclictest9-21ksoftirqd/020:54:350
27540994235,4cyclictest9-21ksoftirqd/022:19:380
2742424220,11sleep09-21ksoftirqd/020:44:100
2742424220,11sleep09-21ksoftirqd/020:44:100
27540994135,3cyclictest9-21ksoftirqd/000:19:400
27554994033,4cyclictest41-21ksoftirqd/301:14:413
106891400,0ptp4l401ktimersoftd/322:56:513
106891390,1ptp4l401ktimersoftd/323:50:313
106891390,1ptp4l401ktimersoftd/323:40:063
27554993831,4cyclictest41-21ksoftirqd/300:09:403
27540993832,3cyclictest9-21ksoftirqd/021:29:340
27540993831,4cyclictest9-21ksoftirqd/021:44:380
27540993831,4cyclictest9-21ksoftirqd/021:39:390
2754099382,5cyclictest28476-21diskstats01:04:430
106891380,1ptp4l401ktimersoftd/323:35:143
106891380,1ptp4l401ktimersoftd/322:45:263
106891380,1ptp4l401ktimersoftd/302:11:523
106891380,1ptp4l401ktimersoftd/302:02:333
106891380,1ptp4l401ktimersoftd/302:02:333
106891380,1ptp4l401ktimersoftd/301:26:243
106891380,1ptp4l401ktimersoftd/301:03:363
106891380,1ptp4l401ktimersoftd/300:55:483
106891380,1ptp4l401ktimersoftd/300:00:523
27554993730,4cyclictest41-21ksoftirqd/322:39:383
27540993721,6cyclictest9-21ksoftirqd/023:04:550
106891370,2ptp4l24704-21kworker/3:121:44:553
106891370,1ptp4l401ktimersoftd/323:58:063
106891370,1ptp4l401ktimersoftd/323:04:403
106891370,1ptp4l401ktimersoftd/322:53:273
106891370,1ptp4l401ktimersoftd/322:04:403
106891370,1ptp4l401ktimersoftd/302:05:353
106891370,1ptp4l401ktimersoftd/302:05:353
106891370,1ptp4l401ktimersoftd/301:49:013
106891370,1ptp4l401ktimersoftd/301:35:043
106891370,1ptp4l401ktimersoftd/301:29:303
106891370,1ptp4l401ktimersoftd/300:30:373
106891370,0ptp4l401ktimersoftd/323:31:463
106891370,0ptp4l401ktimersoftd/301:39:433
27554993630,3cyclictest41-21ksoftirqd/323:19:383
27554993629,4cyclictest41-21ksoftirqd/300:39:403
27540993630,3cyclictest9-21ksoftirqd/021:49:360
27540993628,3cyclictest9-21ksoftirqd/000:14:380
27540993628,3cyclictest9-21ksoftirqd/000:14:380
106891360,1ptp4l401ktimersoftd/321:02:243
106891360,1ptp4l401ktimersoftd/300:52:273
106891360,0ptp4l401ktimersoftd/300:16:053
106891360,0ptp4l401ktimersoftd/300:16:053
27540993529,3cyclictest9-21ksoftirqd/000:54:400
27540993528,4cyclictest9-21ksoftirqd/000:34:430
27540993527,4cyclictest9-21ksoftirqd/000:29:390
106891350,1ptp4l401ktimersoftd/322:19:253
106891350,1ptp4l401ktimersoftd/321:39:443
106891350,1ptp4l401ktimersoftd/301:55:523
106891350,0ptp4l401ktimersoftd/322:34:503
27549993426,4cyclictest33-21ksoftirqd/201:44:372
27540993428,4cyclictest9-21ksoftirqd/000:04:430
106891340,1ptp4l401ktimersoftd/322:09:393
106891340,1ptp4l401ktimersoftd/300:45:033
106891340,1ptp4l401ktimersoftd/300:06:173
27554993328,3cyclictest41-21ksoftirqd/323:14:263
27549993320,10cyclictest33-21ksoftirqd/201:04:482
27549993319,3cyclictest33-21ksoftirqd/223:14:492
27540993321,10cyclictest9-21ksoftirqd/001:54:480
27540993319,10cyclictest9-21ksoftirqd/022:44:450
2754099331,8cyclictest121rcu_preempt01:50:450
106891330,11ptp4l401ktimersoftd/322:04:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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