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2026-07-15 - 13:48
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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 Wed Jul 15, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18752213168,33sleep30-21swapper/319:09:333
15932206173,22sleep20-21swapper/219:05:552
18002205172,22sleep00-21swapper/019:08:340
18012204171,22sleep10-21swapper/119:08:351
19102163125,13sleep20-21swapper/219:10:012
2241421580,6sleep3221299cyclictest22:05:283
220999640,4cyclictest26666-21cut00:30:130
142682610,1sleep00-21swapper/022:55:270
1394915538,10phc2sys0-21swapper/319:10:023
139391550,1ptp4l401ktimersoftd/322:56:503
139391550,1ptp4l401ktimersoftd/321:20:143
139391520,0ptp4l401ktimersoftd/320:03:103
2211994843,3cyclictest21030-21ls19:50:002
139391480,1ptp4l401ktimersoftd/323:22:073
139391480,1ptp4l401ktimersoftd/323:22:073
139391450,1ptp4l401ktimersoftd/321:46:263
2210994438,3cyclictest25-21ksoftirqd/122:00:001
2209994438,4cyclictest16569-21sh00:10:000
2210994238,2cyclictest25-21ksoftirqd/120:40:001
139391420,0ptp4l401ktimersoftd/322:10:183
139391420,0ptp4l401ktimersoftd/319:50:133
2210994135,3cyclictest25-21ksoftirqd/121:40:011
2209994135,4cyclictest26884-21awk23:25:000
2209994135,4cyclictest26884-21awk23:25:000
2212994029,9cyclictest41-21ksoftirqd/323:40:003
2210994035,3cyclictest25-21ksoftirqd/120:20:001
2210994035,3cyclictest25-21ksoftirqd/119:50:001
2210994035,3cyclictest25-21ksoftirqd/119:40:001
2209994034,4cyclictest9-21ksoftirqd/019:20:000
2210993934,3cyclictest25-21ksoftirqd/122:45:001
2210993934,3cyclictest23382-21cron19:55:001
2212993831,5cyclictest41-21ksoftirqd/300:25:003
2210993834,2cyclictest25-21ksoftirqd/123:35:011
2210993833,3cyclictest25-21ksoftirqd/123:30:011
2210993833,3cyclictest25-21ksoftirqd/119:20:011
2210993833,2cyclictest25-21ksoftirqd/100:24:591
2210993832,4cyclictest25-21ksoftirqd/121:24:301
2209993833,3cyclictest9-21ksoftirqd/019:24:590
2209993831,4cyclictest18637-21wc22:00:130
57898370,2rtkit-daemon0-21swapper/020:39:080
2212993732,3cyclictest41-21ksoftirqd/323:19:593
2212993732,2cyclictest41-21ksoftirqd/319:24:593
2212993731,4cyclictest41-21ksoftirqd/321:18:183
2212993731,3cyclictest41-21ksoftirqd/321:55:003
2210993734,2cyclictest25-21ksoftirqd/123:10:011
2210993733,2cyclictest25-21ksoftirqd/100:14:591
2210993732,3cyclictest25-21ksoftirqd/123:19:591
2210993732,3cyclictest25-21ksoftirqd/120:00:461
2210993731,4cyclictest25-21ksoftirqd/121:42:311
2209993730,4cyclictest9-21ksoftirqd/020:20:490
2212993632,3cyclictest41-21ksoftirqd/320:40:013
2212993632,3cyclictest41-21ksoftirqd/319:40:003
2212993632,2cyclictest41-21ksoftirqd/320:24:593
2212993630,4cyclictest41-21ksoftirqd/321:34:353
2212993629,4cyclictest26287-21sh00:30:013
2211993630,4cyclictest33-21ksoftirqd/223:15:552
2210993632,2cyclictest25-21ksoftirqd/123:25:011
2210993632,2cyclictest25-21ksoftirqd/123:25:011
2210993632,2cyclictest25-21ksoftirqd/120:10:011
2210993631,3cyclictest25-21ksoftirqd/119:55:201
2210993631,2cyclictest25-21ksoftirqd/121:45:201
2210993630,4cyclictest25-21ksoftirqd/123:47:111
2210993630,4cyclictest25-21ksoftirqd/122:55:191
2210993630,4cyclictest25-21ksoftirqd/122:12:361
2210993630,4cyclictest25-21ksoftirqd/100:33:131
2210993630,4cyclictest25-21ksoftirqd/100:04:561
2210993630,3cyclictest25-21ksoftirqd/120:29:591
2209993630,3cyclictest9-21ksoftirqd/021:00:000
57898350,2rtkit-daemon0-21swapper/023:50:350
57898350,2rtkit-daemon0-21swapper/023:50:350
57898350,2rtkit-daemon0-21swapper/020:27:370
2212993530,3cyclictest41-21ksoftirqd/320:35:003
2212993530,3cyclictest41-21ksoftirqd/300:30:343
2212993530,2cyclictest41-21ksoftirqd/322:50:003
2212993529,4cyclictest41-21ksoftirqd/320:17:083
2211993530,3cyclictest33-21ksoftirqd/220:40:052
2211993530,3cyclictest33-21ksoftirqd/220:35:122
2211993530,3cyclictest33-21ksoftirqd/200:10:392
2211993529,4cyclictest33-21ksoftirqd/223:03:192
2211993529,4cyclictest33-21ksoftirqd/222:55:282
2211993529,4cyclictest33-21ksoftirqd/222:29:102
2211993529,4cyclictest33-21ksoftirqd/219:39:292
2210993532,2cyclictest25-21ksoftirqd/120:55:001
2210993531,3cyclictest25-21ksoftirqd/120:30:131
2210993531,2cyclictest25-21ksoftirqd/121:55:001
2210993530,3cyclictest25-21ksoftirqd/123:50:121
2210993530,3cyclictest25-21ksoftirqd/123:50:121
2210993530,3cyclictest25-21ksoftirqd/123:40:001
2210993530,3cyclictest25-21ksoftirqd/122:30:181
2210993530,3cyclictest25-21ksoftirqd/122:20:281
2210993530,3cyclictest25-21ksoftirqd/121:10:001
2210993530,3cyclictest25-21ksoftirqd/119:40:171
2210993529,4cyclictest25-21ksoftirqd/123:43:261
2210993529,4cyclictest25-21ksoftirqd/122:07:301
2210993529,4cyclictest25-21ksoftirqd/122:00:481
2210993529,4cyclictest25-21ksoftirqd/119:28:201
2210993529,4cyclictest25-21ksoftirqd/119:10:191
2210993529,4cyclictest25-21ksoftirqd/100:30:011
2209993530,3cyclictest32749-21sshd20:10:460
2209993529,4cyclictest9-21ksoftirqd/020:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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