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2026-03-27 - 21:46
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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 Mar 27, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1674321460,5sleep01655099cyclictest12:58:300
2511521420,4sleep31657199cyclictest10:55:393
1068911210,8ptp4l14045-21kworker/3:208:03:483
198622800,3sleep10-21swapper/113:33:361
222362720,2sleep20-21swapper/210:53:252
68172690,1sleep30-21swapper/310:38:053
241522660,2sleep20-21swapper/212:00:262
152262660,5sleep11655699cyclictest12:23:421
106891660,1ptp4l401ktimersoftd/311:45:223
161312654,10sleep00-21swapper/008:04:040
106891650,1ptp4l401ktimersoftd/311:52:033
225622600,4sleep3401ktimersoftd/313:37:033
106891590,1ptp4l401ktimersoftd/311:40:523
106891580,1ptp4l401ktimersoftd/311:15:403
106891580,1ptp4l401ktimersoftd/310:50:363
263562530,3sleep11655699cyclictest10:57:461
16550994841,4cyclictest9-21ksoftirqd/011:08:250
106891480,3ptp4l10564-21kworker/3:011:56:513
168492470,3sleep21656199cyclictest12:25:562
16571994635,5cyclictest41-21ksoftirqd/310:13:223
106891460,1ptp4l401ktimersoftd/311:20:153
105791460,3getstats1657199cyclictest08:38:543
106891450,1ptp4l401ktimersoftd/312:57:053
106891430,1ptp4l401ktimersoftd/310:28:503
16550994234,4cyclictest9-21ksoftirqd/011:18:260
106891410,1ptp4l401ktimersoftd/312:00:413
16550994033,4cyclictest9-21ksoftirqd/010:58:250
16550994032,4cyclictest9-21ksoftirqd/011:43:240
16550993830,4cyclictest9-21ksoftirqd/012:23:260
1623423820,8sleep10-21swapper/108:05:261
106891380,1ptp4l401ktimersoftd/312:25:373
106891380,1ptp4l401ktimersoftd/312:14:393
106891380,1ptp4l401ktimersoftd/312:05:013
106891380,1ptp4l401ktimersoftd/312:05:013
106891380,1ptp4l401ktimersoftd/311:36:043
106891380,1ptp4l401ktimersoftd/311:10:553
106891380,1ptp4l401ktimersoftd/311:07:283
106891380,1ptp4l401ktimersoftd/310:43:193
106891380,1ptp4l401ktimersoftd/310:19:473
106891380,1ptp4l401ktimersoftd/310:19:473
106891380,1ptp4l401ktimersoftd/309:38:253
118422370,2sleep21656199cyclictest13:25:342
106891370,1ptp4l401ktimersoftd/313:32:143
106891370,1ptp4l401ktimersoftd/313:25:163
106891370,1ptp4l401ktimersoftd/313:21:203
106891370,1ptp4l401ktimersoftd/313:08:163
106891370,1ptp4l401ktimersoftd/313:00:453
106891370,1ptp4l401ktimersoftd/312:39:503
106891370,1ptp4l401ktimersoftd/312:29:463
106891370,1ptp4l401ktimersoftd/312:20:053
106891370,1ptp4l401ktimersoftd/312:09:083
106891370,1ptp4l401ktimersoftd/311:24:483
106891370,1ptp4l401ktimersoftd/310:39:183
106891370,1ptp4l401ktimersoftd/310:27:293
106891370,0ptp4l401ktimersoftd/312:38:143
106891360,1ptp4l401ktimersoftd/313:08:563
106891360,1ptp4l401ktimersoftd/308:57:173
106891360,0ptp4l401ktimersoftd/312:52:203
144692353,18sleep214317-21/usr/sbin/munin08:03:212
106891350,1ptp4l401ktimersoftd/309:20:433
106891350,0ptp4l401ktimersoftd/313:15:583
16550993418,5cyclictest9-21ksoftirqd/010:48:420
106891340,1ptp4l401ktimersoftd/311:32:543
16561993327,3cyclictest33-21ksoftirqd/213:03:162
16550993327,4cyclictest9-21ksoftirqd/010:33:240
16550993327,3cyclictest9-21ksoftirqd/009:18:100
156422330,3sleep00-21swapper/009:13:110
106891330,1ptp4l401ktimersoftd/310:59:403
106891330,1ptp4l401ktimersoftd/309:03:373
16561993227,3cyclictest33-21ksoftirqd/212:18:152
106891320,1ptp4l401ktimersoftd/309:56:213
16571993124,4cyclictest41-21ksoftirqd/308:08:203
106891310,9ptp4l401ktimersoftd/308:45:473
106891310,1ptp4l401ktimersoftd/308:48:323
106891310,1ptp4l401ktimersoftd/308:32:203
309072300,3sleep1121rcu_preempt13:13:171
16571993025,3cyclictest41-21ksoftirqd/309:18:103
16571993024,3cyclictest41-21ksoftirqd/309:48:113
16556993013,9cyclictest47050irq/101-ens3-Tx12:53:281
106891300,1ptp4l401ktimersoftd/312:45:073
16561992924,3cyclictest33-21ksoftirqd/210:28:122
16556992923,4cyclictest25-21ksoftirqd/112:18:191
16550992923,3cyclictest9-21ksoftirqd/012:03:270
16550992923,3cyclictest9-21ksoftirqd/012:03:270
16550992923,3cyclictest9-21ksoftirqd/008:18:080
16550992922,3cyclictest9-21ksoftirqd/010:23:250
16550992921,4cyclictest9-21ksoftirqd/009:28:230
16550992919,5cyclictest9-21ksoftirqd/010:43:250
1655099290,3cyclictest121rcu_preempt12:33:400
106891290,0ptp4l401ktimersoftd/309:26:423
16571992823,3cyclictest41-21ksoftirqd/308:23:223
16571992823,3cyclictest41-21ksoftirqd/308:23:223
16571992822,3cyclictest41-21ksoftirqd/309:58:243
16561992823,3cyclictest33-21ksoftirqd/212:38:332
16561992823,3cyclictest33-21ksoftirqd/209:18:282
16561992822,3cyclictest33-21ksoftirqd/213:13:342
16561992822,3cyclictest33-21ksoftirqd/212:03:322
16561992822,3cyclictest33-21ksoftirqd/212:03:322
16561992822,3cyclictest33-21ksoftirqd/211:53:442
16556992822,3cyclictest25-21ksoftirqd/113:13:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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