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2026-06-19 - 03:53
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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 Fri Jun 19, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1576521770,5sleep2993199cyclictest00:12:282
1068911230,8ptp4l5326-21kworker/3:120:53:073
95092674,10sleep20-21swapper/220:50:202
303782620,5sleep2993199cyclictest02:07:182
37482600,2sleep20-21swapper/223:26:352
141132590,2sleep10-21swapper/101:49:591
66502580,1sleep20-21swapper/201:09:452
144752580,3sleep214474-21gltestperf00:44:402
99892570,2sleep00-21swapper/021:59:330
106891570,1ptp4l401ktimersoftd/301:13:433
106891550,1ptp4l401ktimersoftd/300:09:403
96852544,39sleep00-21swapper/020:52:360
264442540,2sleep00-21swapper/023:17:010
106891540,1ptp4l401ktimersoftd/301:34:123
9942995329,4cyclictest41-21ksoftirqd/320:59:353
9942995329,4cyclictest41-21ksoftirqd/320:59:353
9942995230,3cyclictest41-21ksoftirqd/301:51:193
106891500,1ptp4l401ktimersoftd/322:46:353
9942994942,4cyclictest41-21ksoftirqd/321:09:313
9942994842,3cyclictest41-21ksoftirqd/300:29:363
9942994841,4cyclictest41-21ksoftirqd/301:14:373
62222480,1sleep20-21swapper/222:55:592
62222480,1sleep20-21swapper/222:55:592
9942994740,4cyclictest41-21ksoftirqd/321:49:333
9942994721,4cyclictest41-21ksoftirqd/301:24:413
994299464,39cyclictest40092irq/92-enp1s0-T00:14:423
994299463,8cyclictest41-21ksoftirqd/323:19:233
9942994620,8cyclictest41-21ksoftirqd/301:54:393
9922994637,5cyclictest9-21ksoftirqd/022:04:310
9922994538,4cyclictest9-21ksoftirqd/000:04:370
9942994438,3cyclictest41-21ksoftirqd/321:14:313
9922994436,4cyclictest9-21ksoftirqd/002:19:390
9922994436,4cyclictest9-21ksoftirqd/002:19:390
106891440,1ptp4l401ktimersoftd/302:01:063
994299434,3cyclictest15114-21munin-plugin-st23:39:233
9942994337,3cyclictest41-21ksoftirqd/323:19:273
9942994336,4cyclictest41-21ksoftirqd/301:34:383
9942994328,3cyclictest41-21ksoftirqd/300:39:423
9922994337,3cyclictest9-21ksoftirqd/001:19:380
9942994230,3cyclictest41-21ksoftirqd/321:44:413
9942994230,3cyclictest41-21ksoftirqd/302:04:573
9942994226,3cyclictest41-21ksoftirqd/300:19:523
9922994232,4cyclictest9-21ksoftirqd/000:49:370
9942994136,3cyclictest41-21ksoftirqd/323:29:353
9942994136,3cyclictest41-21ksoftirqd/300:54:383
9942994123,3cyclictest41-21ksoftirqd/322:39:363
9922994133,4cyclictest9-21ksoftirqd/023:44:340
9942994035,3cyclictest41-21ksoftirqd/321:29:253
9942994033,3cyclictest41-21ksoftirqd/321:04:303
9942994033,3cyclictest41-21ksoftirqd/321:04:303
9942994029,3cyclictest41-21ksoftirqd/322:24:213
9942994029,3cyclictest41-21ksoftirqd/300:44:463
9942994028,3cyclictest41-21ksoftirqd/323:49:353
9942994028,3cyclictest41-21ksoftirqd/301:03:333
994299402,3cyclictest41-21ksoftirqd/300:24:423
9942994012,4cyclictest41-21ksoftirqd/323:04:413
9922994032,4cyclictest9-21ksoftirqd/022:24:310
994299395,3cyclictest41-21ksoftirqd/302:09:483
9942993929,3cyclictest41-21ksoftirqd/321:59:503
9942993928,3cyclictest41-21ksoftirqd/300:04:253
9942993926,3cyclictest41-21ksoftirqd/323:11:123
994299391,3cyclictest41-21ksoftirqd/321:24:203
994299391,3cyclictest41-21ksoftirqd/302:19:473
994299391,3cyclictest41-21ksoftirqd/302:19:473
9942993910,7cyclictest41-21ksoftirqd/322:29:403
9922993931,4cyclictest9-21ksoftirqd/000:39:380
106891390,1ptp4l401ktimersoftd/302:14:293
106891390,0ptp4l401ktimersoftd/323:02:573
994299389,9cyclictest41-21ksoftirqd/321:24:213
994299384,3cyclictest121rcu_preempt21:34:373
9942993830,4cyclictest41-21ksoftirqd/300:34:403
9942993820,4cyclictest41-21ksoftirqd/301:04:393
994299381,3cyclictest41-21ksoftirqd/320:54:303
994299381,3cyclictest41-21ksoftirqd/320:54:303
9922993829,7cyclictest9-21ksoftirqd/023:44:230
106891380,1ptp4l401ktimersoftd/322:57:403
106891380,1ptp4l401ktimersoftd/322:57:403
106891380,1ptp4l401ktimersoftd/301:48:423
106891380,1ptp4l401ktimersoftd/301:39:403
106891380,1ptp4l401ktimersoftd/301:21:493
994299379,10cyclictest41-21ksoftirqd/323:54:423
994299372,4cyclictest121rcu_preempt22:19:213
994299370,13cyclictest41-21ksoftirqd/322:09:393
106891370,1ptp4l401ktimersoftd/323:59:483
106891370,1ptp4l401ktimersoftd/321:39:433
106891370,0ptp4l401ktimersoftd/300:53:013
9942993629,4cyclictest41-21ksoftirqd/323:44:363
994299361,3cyclictest41-21ksoftirqd/322:49:453
994299361,3cyclictest41-21ksoftirqd/322:49:453
9942993612,4cyclictest41-21ksoftirqd/323:40:223
9922993628,4cyclictest9-21ksoftirqd/001:59:390
951823616,11sleep125-21ksoftirqd/120:50:281
994299357,9cyclictest41-21ksoftirqd/322:04:423
994299356,9cyclictest41-21ksoftirqd/323:24:253
994299350,3cyclictest41-21ksoftirqd/322:24:493
993199358,4cyclictest33-21ksoftirqd/201:39:402
993199353,6cyclictest121rcu_preempt00:14:432
9922993527,4cyclictest9-21ksoftirqd/001:24:390
9922993523,9cyclictest9-21ksoftirqd/000:44:400
35572350,1sleep00-21swapper/001:39:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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