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2026-09-07 - 07:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot3.osadl.org (updated Mon Sep 07, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165762241195,35sleep30-21swapper/319:07:593
164102208175,22sleep10-21swapper/119:05:561
165422204171,22sleep00-21swapper/019:07:320
164862203169,22sleep20-21swapper/219:06:492
187522770,2sleep00-21swapper/019:10:280
17025996331,4cyclictest9-21ksoftirqd/021:40:200
93402620,2sleep10-21swapper/120:00:201
139391580,1ptp4l401ktimersoftd/319:18:183
139391570,1ptp4l391rcuc/300:20:193
294012540,7sleep31702899cyclictest20:40:253
17025995426,3cyclictest9-21ksoftirqd/021:40:000
139391540,1ptp4l401ktimersoftd/300:39:363
17026995318,7cyclictest25-21ksoftirqd/121:25:271
92282520,2sleep10-21swapper/121:05:271
17025995222,4cyclictest9-21ksoftirqd/020:30:220
300472510,1sleep20-21swapper/221:50:202
17026995020,4cyclictest25-21ksoftirqd/119:35:251
139391500,0ptp4l401ktimersoftd/300:07:573
17026994810,9cyclictest25-21ksoftirqd/123:30:141
17025994820,4cyclictest9-21ksoftirqd/019:50:190
17025994819,3cyclictest9-21ksoftirqd/000:15:260
17025994817,3cyclictest9-21ksoftirqd/021:55:180
17027994730,14cyclictest2635-21cron20:54:592
57898460,20rtkit-daemon1453-21gpm21:05:170
17026994617,4cyclictest25-21ksoftirqd/123:25:221
17025994619,3cyclictest9-21ksoftirqd/020:40:230
17026994532,3cyclictest25-21ksoftirqd/121:50:301
17026994515,4cyclictest25-21ksoftirqd/122:29:571
17026994514,4cyclictest25-21ksoftirqd/122:30:201
17026994513,4cyclictest25-21ksoftirqd/121:35:231
17025994512,4cyclictest9-21ksoftirqd/023:55:140
1702699443,3cyclictest121rcu_preempt20:35:271
17026994416,10cyclictest25-21ksoftirqd/123:05:161
1702599449,4cyclictest9-21ksoftirqd/020:59:590
1702699439,4cyclictest25-21ksoftirqd/100:20:201
1702699438,4cyclictest25-21ksoftirqd/122:35:201
17026994315,4cyclictest25-21ksoftirqd/119:17:051
17025994330,3cyclictest9-21ksoftirqd/023:45:230
17025994328,4cyclictest9-21ksoftirqd/022:20:020
17025994327,3cyclictest9-21ksoftirqd/022:10:160
1702599430,6cyclictest9-21ksoftirqd/023:00:260
139391430,0ptp4l401ktimersoftd/323:26:383
139391430,0ptp4l401ktimersoftd/300:03:083
17026994213,4cyclictest25-21ksoftirqd/119:51:401
17026994213,4cyclictest25-21ksoftirqd/119:26:441
17028994135,4cyclictest27011-21dump-pmu-power00:00:013
1702699417,3cyclictest25-21ksoftirqd/121:34:291
17026994126,4cyclictest25-21ksoftirqd/100:30:271
1702699411,6cyclictest25-21ksoftirqd/122:45:121
17025994137,2cyclictest9-21ksoftirqd/020:40:000
17025994127,4cyclictest9-21ksoftirqd/022:50:000
17025994113,4cyclictest9-21ksoftirqd/023:05:160
139391410,1ptp4l401ktimersoftd/319:51:363
139391410,0ptp4l401ktimersoftd/319:12:053
17026994027,3cyclictest25-21ksoftirqd/120:25:161
17026994012,3cyclictest25-21ksoftirqd/123:40:191
17025994028,3cyclictest9-21ksoftirqd/023:30:010
17025994027,3cyclictest9-21ksoftirqd/000:15:000
17025994027,3cyclictest9-21ksoftirqd/000:05:180
17025994026,4cyclictest9-21ksoftirqd/020:15:240
17025994025,3cyclictest9-21ksoftirqd/020:15:010
17025994013,4cyclictest9-21ksoftirqd/020:00:000
139391400,0ptp4l401ktimersoftd/323:15:293
1702699394,4cyclictest25-21ksoftirqd/119:30:201
17026993935,2cyclictest25-21ksoftirqd/100:00:011
17026993934,3cyclictest25-21ksoftirqd/120:10:161
17026993934,3cyclictest25-21ksoftirqd/100:05:011
1702599398,3cyclictest9-21ksoftirqd/020:54:590
17025993925,3cyclictest9-21ksoftirqd/019:15:160
17025993912,4cyclictest9-21ksoftirqd/020:25:160
17025993911,4cyclictest9-21ksoftirqd/000:35:250
17027993832,4cyclictest33-21ksoftirqd/220:46:222
17027993828,4cyclictest33-21ksoftirqd/222:14:492
1702699384,2cyclictest25-21ksoftirqd/100:10:241
17026993834,2cyclictest25-21ksoftirqd/123:00:001
17026993833,3cyclictest25-21ksoftirqd/122:10:271
17026993831,5cyclictest25-21ksoftirqd/119:13:501
17026993830,5cyclictest25-21ksoftirqd/119:45:011
17025993832,3cyclictest9-21ksoftirqd/000:30:270
17025993828,3cyclictest9-21ksoftirqd/022:10:010
17025993828,3cyclictest9-21ksoftirqd/022:10:010
17025993825,4cyclictest9-21ksoftirqd/021:05:010
17025993825,3cyclictest9-21ksoftirqd/023:10:280
17025993825,3cyclictest9-21ksoftirqd/021:30:200
17025993823,3cyclictest9-21ksoftirqd/020:00:180
139391380,0ptp4l401ktimersoftd/322:55:183
17028993731,4cyclictest41-21ksoftirqd/319:29:043
17028993730,5cyclictest41-21ksoftirqd/321:30:043
17026993733,3cyclictest25-21ksoftirqd/100:15:141
17026993732,3cyclictest25-21ksoftirqd/123:15:201
17026993732,3cyclictest25-21ksoftirqd/120:30:221
17026993732,3cyclictest25-21ksoftirqd/100:35:271
17026993730,4cyclictest25-21ksoftirqd/123:24:261
17026993730,4cyclictest25-21ksoftirqd/121:57:141
17026993724,3cyclictest25-21ksoftirqd/120:55:261
1702699372,3cyclictest121rcu_preempt20:48:121
17026993710,3cyclictest121rcu_preempt22:15:231
1702599373,2cyclictest9-21ksoftirqd/020:06:300
17025993731,3cyclictest9-21ksoftirqd/019:25:160
17025993724,3cyclictest9-21ksoftirqd/022:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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