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2026-05-15 - 13:14
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Fri May 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
899721690,4sleep0658099cyclictest23:50:120
458721670,2sleep00-21swapper/020:30:120
458721670,2sleep00-21swapper/020:30:120
106891990,3ptp4l401ktimersoftd/320:33:353
106891990,3ptp4l401ktimersoftd/320:33:353
143942780,5sleep314400-21gltestperf01:35:223
159132760,1sleep30-21swapper/301:03:503
112222730,5sleep2659199cyclictest23:19:232
106891690,9ptp4l401ktimersoftd/322:58:463
6584996853,7cyclictest25-21ksoftirqd/122:40:151
58212670,4sleep05820-21turbostat.cron21:40:000
269252650,1sleep00-21swapper/023:01:180
106891590,1ptp4l401ktimersoftd/300:58:383
106891590,1ptp4l401ktimersoftd/300:18:423
6584995847,5cyclictest25-21ksoftirqd/123:05:121
6584995846,6cyclictest25-21ksoftirqd/100:20:161
255932580,3sleep10-21swapper/100:40:201
6584995746,6cyclictest25-21ksoftirqd/101:05:161
6584995744,7cyclictest25-21ksoftirqd/121:25:111
6584995744,6cyclictest25-21ksoftirqd/120:40:101
14702570,3sleep21474-21cpuspeed_turbos21:30:152
106891570,1ptp4l401ktimersoftd/301:33:223
106891550,1ptp4l401ktimersoftd/302:05:063
106891550,1ptp4l401ktimersoftd/301:26:133
98132530,2sleep30-21swapper/323:16:593
6584995240,5cyclictest25-21ksoftirqd/122:30:131
6584995238,6cyclictest25-21ksoftirqd/121:00:101
6584994833,8cyclictest25-21ksoftirqd/122:05:121
106891480,1ptp4l401ktimersoftd/323:42:163
6584994737,5cyclictest25-21ksoftirqd/101:55:181
106891430,1ptp4l401ktimersoftd/323:07:323
6584994231,4cyclictest25-21ksoftirqd/121:10:121
6584994133,4cyclictest25-21ksoftirqd/123:00:151
106891410,1ptp4l401ktimersoftd/323:53:043
6584994034,3cyclictest25-21ksoftirqd/123:20:141
106891390,1ptp4l401ktimersoftd/301:20:553
106891390,1ptp4l401ktimersoftd/301:17:103
106891390,1ptp4l401ktimersoftd/300:46:353
106891390,1ptp4l401ktimersoftd/300:33:583
106891390,0ptp4l401ktimersoftd/323:24:473
6584993831,4cyclictest25-21ksoftirqd/101:50:191
6584993831,4cyclictest25-21ksoftirqd/101:50:191
6584993826,5cyclictest25-21ksoftirqd/120:35:101
106891380,2ptp4l29545-21kworker/3:100:23:483
106891380,1ptp4l401ktimersoftd/323:26:173
106891380,1ptp4l401ktimersoftd/322:43:483
6584993720,3cyclictest25-21ksoftirqd/121:55:001
6584993710,4cyclictest25-21ksoftirqd/101:35:051
254462370,1sleep00-21swapper/023:33:380
106891370,1ptp4l401ktimersoftd/323:45:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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