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2026-04-21 - 09:43
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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 Apr 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2534521620,3sleep22974399cyclictest00:35:322
2592521350,3sleep12973999cyclictest01:42:081
1068911180,8ptp4l11468-21kworker/3:120:17:093
1068911180,8ptp4l11468-21kworker/3:120:17:093
223492930,2sleep00-21swapper/021:11:590
277332790,2sleep20-21swapper/200:04:282
223682720,4sleep02973299cyclictest01:38:010
223682720,4sleep02973299cyclictest01:38:010
284772694,10sleep20-21swapper/220:17:032
284772694,10sleep20-21swapper/220:17:032
106891690,1ptp4l401ktimersoftd/320:30:583
106891690,1ptp4l401ktimersoftd/300:15:193
294442684,10sleep00-21swapper/020:19:150
294442684,10sleep00-21swapper/020:19:150
157422670,3sleep02973299cyclictest23:52:060
157422670,3sleep02973299cyclictest23:52:060
282052660,2sleep20-21swapper/201:12:012
106891660,1ptp4l401ktimersoftd/323:16:583
275812630,2sleep10-21swapper/101:11:441
29732996253,5cyclictest9-21ksoftirqd/022:26:580
153612620,2sleep20-21swapper/223:52:042
153612620,2sleep20-21swapper/223:52:042
75202610,4sleep07525-21sh22:37:140
162392610,1sleep30-21swapper/300:58:543
182742580,2sleep00-21swapper/001:34:240
106891550,1ptp4l401ktimersoftd/321:24:233
210742540,2sleep00-21swapper/023:24:360
106891540,1ptp4l401ktimersoftd/300:34:263
2893125333,8sleep10-21swapper/120:17:101
2893125333,8sleep10-21swapper/120:17:101
165892530,1sleep20-21swapper/201:32:132
29732995018,6cyclictest9-21ksoftirqd/020:22:010
106891500,1ptp4l401ktimersoftd/301:19:183
29732994941,3cyclictest9-21ksoftirqd/001:42:010
29732994823,4cyclictest9-21ksoftirqd/000:34:410
106891480,14ptp4l11468-21kworker/3:123:59:153
29732994622,4cyclictest9-21ksoftirqd/022:48:480
29732994622,4cyclictest9-21ksoftirqd/000:16:570
29732994622,3cyclictest9-21ksoftirqd/022:52:530
29732994610,4cyclictest9-21ksoftirqd/001:17:100
2974399454,4cyclictest33-21ksoftirqd/201:11:472
2973299457,3cyclictest9-21ksoftirqd/001:02:070
29732994532,3cyclictest9-21ksoftirqd/022:22:000
29732994528,6cyclictest9-21ksoftirqd/000:26:590
29732994521,4cyclictest9-21ksoftirqd/023:40:280
29732994520,4cyclictest9-21ksoftirqd/023:59:410
29732994520,4cyclictest9-21ksoftirqd/023:50:380
29732994520,4cyclictest9-21ksoftirqd/000:49:010
29732994520,4cyclictest9-21ksoftirqd/000:46:070
206172450,2sleep20-21swapper/200:30:462
140942450,1sleep20-21swapper/201:30:362
106891450,2ptp4l11468-21kworker/3:120:22:153
2973999441,3cyclictest121rcu_preempt01:47:021
29732994420,4cyclictest9-21ksoftirqd/022:11:590
29732994418,7cyclictest9-21ksoftirqd/022:56:470
29732994415,5cyclictest9-21ksoftirqd/023:27:050
29732994413,7cyclictest9-21ksoftirqd/022:42:070
29732994338,3cyclictest9-21ksoftirqd/021:26:480
29732994330,3cyclictest9-21ksoftirqd/023:02:120
29732994329,3cyclictest9-21ksoftirqd/023:43:120
29732994321,7cyclictest9-21ksoftirqd/001:12:040
29732994320,6cyclictest9-21ksoftirqd/000:22:050
29732994320,4cyclictest9-21ksoftirqd/021:02:120
29732994320,4cyclictest9-21ksoftirqd/000:15:360
29732994318,4cyclictest9-21ksoftirqd/023:12:190
29732994318,4cyclictest9-21ksoftirqd/000:02:380
106891430,1ptp4l401ktimersoftd/321:17:333
106891430,1ptp4l401ktimersoftd/300:04:573
106891430,13ptp4l11468-21kworker/3:122:36:553
29743994232,4cyclictest33-21ksoftirqd/223:11:572
2973299427,4cyclictest9-21ksoftirqd/021:56:590
29732994236,3cyclictest9-21ksoftirqd/023:16:500
29732994236,3cyclictest9-21ksoftirqd/000:06:510
29732994218,4cyclictest9-21ksoftirqd/023:09:550
29732994218,4cyclictest9-21ksoftirqd/001:01:080
29732994218,3cyclictest9-21ksoftirqd/023:36:000
29752994130,5cyclictest41-21ksoftirqd/301:37:013
29752994130,5cyclictest41-21ksoftirqd/301:37:013
2974399412,5cyclictest33-21ksoftirqd/223:32:062
2973299416,4cyclictest27500-1kworker/0:0H21:26:440
29732994119,4cyclictest9-21ksoftirqd/021:36:540
29732994117,4cyclictest9-21ksoftirqd/000:51:530
29752994012,9cyclictest41-21ksoftirqd/300:26:593
2974399402,3cyclictest121rcu_preempt00:11:472
2974399402,10cyclictest33-21ksoftirqd/201:02:182
2973299406,6cyclictest9-21ksoftirqd/001:22:100
2973299405,3cyclictest9-21ksoftirqd/022:01:550
2973299405,3cyclictest9-21ksoftirqd/022:01:550
2973299404,3cyclictest9-21ksoftirqd/020:37:040
29732994016,4cyclictest9-21ksoftirqd/000:37:280
29732994013,5cyclictest9-21ksoftirqd/001:09:070
106891400,1ptp4l401ktimersoftd/301:32:053
2974399390,6cyclictest33-21ksoftirqd/200:51:002
2973299396,3cyclictest9-21ksoftirqd/021:46:570
2973299393,4cyclictest9-21ksoftirqd/021:01:430
2973299393,3cyclictest9-21ksoftirqd/020:27:010
29732993929,3cyclictest9-21ksoftirqd/022:32:270
2973299392,7cyclictest9-21ksoftirqd/001:27:130
29732993912,6cyclictest9-21ksoftirqd/001:47:090
106891390,1ptp4l401ktimersoftd/322:06:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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