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2026-07-14 - 12:36
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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 Tue Jul 14, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191892209164,33sleep30-21swapper/319:07:423
192342206172,23sleep10-21swapper/119:08:161
190812204171,22sleep00-21swapper/019:06:180
171832204171,22sleep20-21swapper/219:05:122
133692610,6sleep21965999cyclictest20:05:012
129572590,3sleep09-21ksoftirqd/021:10:170
1965999551,3cyclictest10952-21chrt22:14:502
1965999550,4cyclictest32317-21taskset22:59:152
1965999540,3cyclictest5076-21chrt20:55:022
1965999540,3cyclictest21592-21taskset23:43:522
318022530,2sleep10-21swapper/100:05:161
104502530,6sleep11965899cyclictest21:05:171
1965999520,4cyclictest237202chrt23:45:532
1965999500,4cyclictest15766-21taskset00:36:232
1965999490,3cyclictest20252-21chrt20:18:332
1965999490,3cyclictest14269-21taskset21:14:042
1965999490,3cyclictest1163-21chrt00:08:022
1965799497,5cyclictest9-21ksoftirqd/020:20:120
1965999480,3cyclictest3494-21chrt21:58:172
1965999480,3cyclictest3494-21chrt21:58:172
1965999480,3cyclictest29867-21chrt22:53:142
1965999480,3cyclictest15353-21taskset20:07:182
1965999470,3cyclictest21404-21runrttasks21:28:212
1965999460,2cyclictest85802chrt22:09:492
1965799467,5cyclictest9-21ksoftirqd/020:40:220
1965799462,4cyclictest9-21ksoftirqd/000:11:260
1965799454,7cyclictest9-21ksoftirqd/023:40:240
1965799454,6cyclictest545-21gmain21:19:590
1965999443,22cyclictest252472chrt20:28:552
1965799443,5cyclictest9-21ksoftirqd/023:05:010
57898430,1rtkit-daemon0-21swapper/123:59:441
1965999433,22cyclictest0-21swapper/219:33:482
1965799433,7cyclictest9-21ksoftirqd/022:15:290
1965799423,6cyclictest9-21ksoftirqd/019:55:210
1965799421,5cyclictest9-21ksoftirqd/019:30:010
139391420,0ptp4l401ktimersoftd/323:11:013
19660994127,4cyclictest13197-21cron20:05:003
1965999410,3cyclictest26402-21chrt19:22:572
1965799412,5cyclictest9-21ksoftirqd/021:49:110
139391410,33ptp4l0-21swapper/319:10:013
1965999409,19cyclictest1317-21runrttasks20:51:252
19658994023,3cyclictest25-21ksoftirqd/119:50:121
1965799405,7cyclictest0-21swapper/000:25:140
1965799402,5cyclictest9-21ksoftirqd/019:45:150
19660993925,12cyclictest41-21ksoftirqd/321:20:003
1965999397,22cyclictest16387-21seq21:15:552
1965799396,5cyclictest9-21ksoftirqd/019:44:590
1965799394,6cyclictest9-21ksoftirqd/023:33:580
1965799381,5cyclictest9-21ksoftirqd/023:35:260
1966099375,3cyclictest4768-21taskset20:53:593
1966099370,5cyclictest32017-21awk22:55:283
19659993731,4cyclictest33-21ksoftirqd/222:15:312
19658993731,4cyclictest25-21ksoftirqd/121:41:591
19658993731,4cyclictest25-21ksoftirqd/119:17:021
1965799376,8cyclictest9-21ksoftirqd/000:15:480
1965799376,8cyclictest9-21ksoftirqd/000:15:480
1965799376,5cyclictest9-21ksoftirqd/020:30:040
19657993731,4cyclictest9-21ksoftirqd/021:23:140
1965799372,5cyclictest9-21ksoftirqd/023:15:160
1965799372,5cyclictest9-21ksoftirqd/021:42:420
1965799371,5cyclictest9-21ksoftirqd/021:30:140
19660993630,4cyclictest41-21ksoftirqd/321:48:283
19659993630,4cyclictest33-21ksoftirqd/222:36:562
19659993630,4cyclictest33-21ksoftirqd/221:52:432
19659993630,4cyclictest33-21ksoftirqd/221:32:182
19659993630,4cyclictest33-21ksoftirqd/221:02:002
19659993630,4cyclictest33-21ksoftirqd/200:00:472
1965999361,4cyclictest17930-21taskset22:27:132
19658993630,4cyclictest25-21ksoftirqd/123:48:081
19658993630,4cyclictest25-21ksoftirqd/121:33:331
19658993630,3cyclictest25-21ksoftirqd/120:25:121
1965799363,8cyclictest9-21ksoftirqd/023:10:260
1965799363,5cyclictest9-21ksoftirqd/023:52:240
1965799361,5cyclictest9-21ksoftirqd/021:09:200
1966099353,30cyclictest3531-21tail00:10:283
19660993531,3cyclictest41-21ksoftirqd/323:36:123
19660993530,3cyclictest41-21ksoftirqd/323:24:443
19660993530,3cyclictest20072-21irqrtprio21:25:193
19660993529,4cyclictest41-21ksoftirqd/322:33:533
19660993529,4cyclictest41-21ksoftirqd/321:41:173
19660993529,4cyclictest41-21ksoftirqd/320:27:533
19660993529,4cyclictest41-21ksoftirqd/300:20:553
19660993528,5cyclictest41-21ksoftirqd/321:32:303
19660993522,11cyclictest41-21ksoftirqd/321:06:363
1965999354,19cyclictest27290-21taskset22:45:342
19659993530,3cyclictest33-21ksoftirqd/221:35:222
19659993529,4cyclictest33-21ksoftirqd/223:16:512
19659993529,4cyclictest33-21ksoftirqd/223:13:102
19659993529,4cyclictest33-21ksoftirqd/222:42:342
19659993529,4cyclictest33-21ksoftirqd/220:24:262
19659993529,4cyclictest33-21ksoftirqd/219:37:252
1965999350,3cyclictest153782sleep222:20:402
19658993530,3cyclictest25-21ksoftirqd/123:54:541
19658993529,4cyclictest25-21ksoftirqd/120:42:541
19658993529,4cyclictest25-21ksoftirqd/120:09:521
19658993529,4cyclictest25-21ksoftirqd/119:34:391
19658993528,5cyclictest25-21ksoftirqd/121:54:031
1965799355,6cyclictest9-21ksoftirqd/020:29:590
19657993528,4cyclictest9-21ksoftirqd/000:24:570
19657993512,5cyclictest9-21ksoftirqd/020:50:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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