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2026-01-01 - 18:59
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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 rackdslot4.osadl.org (updated Thu Jan 01, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56882201167,22sleep30-21swapper/307:09:373
56042201167,23sleep10-21swapper/107:08:311
56302200166,22sleep00-21swapper/007:08:500
54912198166,21sleep20-21swapper/207:07:032
1780421680,4sleep2601799cyclictest11:50:282
6015996525,4cyclictest9-21ksoftirqd/007:10:160
222322580,1sleep322236-21sed12:00:203
177082540,5sleep1601699cyclictest09:40:221
138491530,1ptp4l401ktimersoftd/308:03:313
601599523,6cyclictest29306-21expr09:00:140
601599514,5cyclictest19826-21sed10:50:200
601599505,6cyclictest19113-21cpuspeed_turbos09:45:120
6015994915,4cyclictest9-21ksoftirqd/007:55:120
138491490,0ptp4l401ktimersoftd/307:30:293
138491490,0ptp4l401ktimersoftd/307:30:293
601599452,4cyclictest9-21ksoftirqd/010:30:260
6017994413,7cyclictest33-21ksoftirqd/207:59:592
138491440,0ptp4l401ktimersoftd/311:30:183
601599430,7cyclictest9-21ksoftirqd/009:10:220
138491430,0ptp4l401ktimersoftd/312:15:533
138491430,0ptp4l401ktimersoftd/309:50:243
6015994216,4cyclictest9-21ksoftirqd/008:48:260
138491420,0ptp4l401ktimersoftd/310:15:153
138491420,0ptp4l401ktimersoftd/309:15:243
138491420,0ptp4l401ktimersoftd/308:25:253
6017994136,3cyclictest33-21ksoftirqd/209:19:592
601599412,6cyclictest101ktimersoftd/011:25:010
138491410,0ptp4l401ktimersoftd/310:55:053
6017994034,3cyclictest33-21ksoftirqd/211:40:202
6016994028,10cyclictest25-21ksoftirqd/110:00:121
601599401,4cyclictest9-21ksoftirqd/007:25:170
601599400,5cyclictest9-21ksoftirqd/009:35:170
50798400,4rtkit-daemon16570-21awk07:30:201
50798400,4rtkit-daemon16570-21awk07:30:201
6017993934,3cyclictest33-21ksoftirqd/208:45:012
6017993934,3cyclictest33-21ksoftirqd/208:05:002
6017993933,3cyclictest3739-21cat11:25:002
6017993928,9cyclictest33-21ksoftirqd/207:30:252
6017993928,9cyclictest33-21ksoftirqd/207:30:252
601599396,9cyclictest9-21ksoftirqd/009:40:190
601599394,4cyclictest9-21ksoftirqd/009:20:170
6018993831,5cyclictest41-21ksoftirqd/309:25:523
601799389,4cyclictest33-21ksoftirqd/210:25:272
6017993835,2cyclictest33-21ksoftirqd/211:00:002
6017993834,2cyclictest33-21ksoftirqd/210:05:012
6017993833,3cyclictest33-21ksoftirqd/212:24:592
6017993833,3cyclictest33-21ksoftirqd/209:20:282
6017993833,3cyclictest33-21ksoftirqd/208:55:192
6017993833,3cyclictest33-21ksoftirqd/208:20:002
6017993832,4cyclictest33-21ksoftirqd/212:02:072
6017993832,3cyclictest33-21ksoftirqd/207:40:182
6017993832,3cyclictest33-21ksoftirqd/207:20:272
601599385,5cyclictest9-21ksoftirqd/011:50:300
601599383,8cyclictest9-21ksoftirqd/011:40:120
601899373,31cyclictest16462-21cat09:40:013
6018993713,22cyclictest13286-21sed07:25:003
601799378,27cyclictest33-21ksoftirqd/210:55:002
6017993733,3cyclictest33-21ksoftirqd/211:20:002
6017993733,2cyclictest33-21ksoftirqd/211:40:012
6017993733,2cyclictest33-21ksoftirqd/209:30:132
6017993732,3cyclictest33-21ksoftirqd/211:10:192
6017993732,3cyclictest33-21ksoftirqd/211:05:112
6017993732,3cyclictest33-21ksoftirqd/210:15:002
6017993732,3cyclictest33-21ksoftirqd/208:30:242
6017993732,3cyclictest33-21ksoftirqd/207:50:002
6017993732,3cyclictest33-21ksoftirqd/207:25:142
6017993732,2cyclictest33-21ksoftirqd/212:20:002
6017993731,4cyclictest33-21ksoftirqd/207:19:222
6015993732,3cyclictest9-21ksoftirqd/012:24:590
6015993725,3cyclictest9-21ksoftirqd/011:10:200
6015993724,4cyclictest9-21ksoftirqd/008:20:100
6018993630,4cyclictest41-21ksoftirqd/311:08:253
6018993630,4cyclictest41-21ksoftirqd/307:19:513
601799367,3cyclictest33-21ksoftirqd/209:05:012
601799363,2cyclictest33-21ksoftirqd/211:45:192
6017993631,3cyclictest33-21ksoftirqd/212:35:282
6017993631,3cyclictest33-21ksoftirqd/210:35:122
6017993631,3cyclictest33-21ksoftirqd/209:40:012
6017993631,3cyclictest33-21ksoftirqd/209:15:002
6017993631,3cyclictest33-21ksoftirqd/208:35:202
6017993631,3cyclictest33-21ksoftirqd/208:10:002
6017993631,3cyclictest33-21ksoftirqd/207:40:012
6017993630,4cyclictest33-21ksoftirqd/212:11:272
6017993630,3cyclictest33-21ksoftirqd/208:10:192
601799361,10cyclictest33-21ksoftirqd/210:30:252
6016993630,4cyclictest25-21ksoftirqd/112:22:091
6016993630,4cyclictest25-21ksoftirqd/110:40:111
6016993630,4cyclictest25-21ksoftirqd/109:31:561
6015993620,4cyclictest9-21ksoftirqd/011:01:170
601599361,4cyclictest9-21ksoftirqd/010:56:490
6018993530,3cyclictest41-21ksoftirqd/310:20:503
6018993529,4cyclictest41-21ksoftirqd/312:11:233
6018993529,4cyclictest41-21ksoftirqd/312:09:423
6018993529,4cyclictest41-21ksoftirqd/308:37:373
6018993529,4cyclictest41-21ksoftirqd/307:12:293
6018993528,5cyclictest41-21ksoftirqd/311:03:153
6018993528,4cyclictest41-21ksoftirqd/307:55:103
6017993532,2cyclictest33-21ksoftirqd/209:30:002
6017993531,2cyclictest33-21ksoftirqd/210:45:202
6017993531,2cyclictest33-21ksoftirqd/210:20:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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