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2026-05-02 - 19:20
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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 Sat May 02, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131812205172,22sleep10-21swapper/107:08:481
130332204171,22sleep30-21swapper/307:06:533
132622202168,23sleep20-21swapper/207:09:482
132052202170,21sleep00-21swapper/007:09:060
3024821660,6sleep01372799cyclictest07:40:260
1400721560,6sleep11372999cyclictest09:20:001
11882840,3sleep30-21swapper/311:05:013
113752690,7sleep2321ktimersoftd/212:30:002
13730995932,18cyclictest33-21ksoftirqd/207:50:002
220632530,3sleep222068-21irqrtprio08:30:192
220632530,3sleep222068-21irqrtprio08:30:192
167422530,2sleep20-21swapper/211:35:122
1372999490,3cyclictest16167-21runrttasks10:28:431
13730994833,12cyclictest33-21ksoftirqd/208:05:002
1372999471,2cyclictest0-21swapper/109:50:231
13731994640,3cyclictest18748-21grep10:35:003
1373099440,42cyclictest0-21swapper/211:30:222
1385914333,4phc2sys0-21swapper/307:10:023
138491430,0ptp4l401ktimersoftd/310:50:263
138491420,0ptp4l401ktimersoftd/312:10:133
138491420,0ptp4l401ktimersoftd/310:35:133
138491420,0ptp4l401ktimersoftd/309:42:383
1373099420,41cyclictest0-21swapper/211:55:232
13729994236,4cyclictest8869-21cron10:15:011
13729994213,27cyclictest0-21swapper/111:59:421
138491410,0ptp4l401ktimersoftd/309:20:263
138491410,0ptp4l401ktimersoftd/308:27:283
138491410,0ptp4l401ktimersoftd/308:20:163
1372999410,40cyclictest0-21swapper/107:26:431
1372999410,3cyclictest22504-21ps08:30:231
1372999410,3cyclictest22504-21ps08:30:231
13731994035,3cyclictest41-21ksoftirqd/307:30:003
13730994012,26cyclictest0-21swapper/208:22:532
138491390,0ptp4l401ktimersoftd/309:05:463
13727993933,3cyclictest9-21ksoftirqd/011:50:130
13727993933,3cyclictest9-21ksoftirqd/007:35:000
50798380,5rtkit-daemon13411-21chrt08:14:120
13731993833,3cyclictest41-21ksoftirqd/310:20:003
1372999380,2cyclictest0-21swapper/112:00:221
13727993833,3cyclictest9-21ksoftirqd/011:30:000
13727993833,3cyclictest9-21ksoftirqd/010:20:000
50798370,2rtkit-daemon0-21swapper/007:50:130
13731993732,3cyclictest41-21ksoftirqd/309:40:003
1373099379,27cyclictest0-21swapper/210:05:532
1373099371,34cyclictest0-21swapper/207:13:532
13729993730,5cyclictest25-21ksoftirqd/108:59:061
13727993733,2cyclictest9-21ksoftirqd/010:00:000
13727993733,2cyclictest9-21ksoftirqd/009:10:000
13727993732,3cyclictest9-21ksoftirqd/012:00:010
13727993732,3cyclictest9-21ksoftirqd/010:35:000
13727993732,3cyclictest9-21ksoftirqd/009:40:010
13727993732,2cyclictest9-21ksoftirqd/010:10:010
13731993631,3cyclictest41-21ksoftirqd/308:50:003
13730993630,4cyclictest33-21ksoftirqd/211:41:262
13730993630,4cyclictest33-21ksoftirqd/211:07:042
13730993630,4cyclictest33-21ksoftirqd/210:58:092
13730993630,4cyclictest33-21ksoftirqd/210:14:412
13730993630,4cyclictest33-21ksoftirqd/209:45:592
13729993630,4cyclictest25-21ksoftirqd/109:05:441
13727993632,2cyclictest9-21ksoftirqd/009:00:000
13727993632,2cyclictest9-21ksoftirqd/008:35:000
13727993632,2cyclictest9-21ksoftirqd/008:35:000
13727993631,3cyclictest9-21ksoftirqd/011:35:000
13727993631,3cyclictest9-21ksoftirqd/011:05:010
13727993631,3cyclictest9-21ksoftirqd/007:40:000
13731993532,2cyclictest41-21ksoftirqd/311:15:013
13731993530,3cyclictest41-21ksoftirqd/311:56:593
13731993530,3cyclictest41-21ksoftirqd/311:47:543
13731993530,3cyclictest41-21ksoftirqd/311:47:533
13731993530,3cyclictest41-21ksoftirqd/311:25:003
13731993530,3cyclictest41-21ksoftirqd/308:01:543
13731993529,4cyclictest41-21ksoftirqd/312:32:223
13731993529,4cyclictest41-21ksoftirqd/312:17:103
13731993529,4cyclictest41-21ksoftirqd/310:40:103
13731993529,4cyclictest41-21ksoftirqd/310:29:593
13731993529,4cyclictest41-21ksoftirqd/310:04:313
13731993529,3cyclictest41-21ksoftirqd/311:20:003
13730993529,4cyclictest33-21ksoftirqd/211:28:272
13730993529,4cyclictest33-21ksoftirqd/210:27:252
13730993529,4cyclictest33-21ksoftirqd/210:21:592
13730993529,4cyclictest33-21ksoftirqd/209:57:282
13730993529,4cyclictest33-21ksoftirqd/209:50:342
13730993529,4cyclictest33-21ksoftirqd/209:41:592
13730993529,4cyclictest33-21ksoftirqd/209:31:202
13730993529,4cyclictest33-21ksoftirqd/207:53:442
13730993528,4cyclictest33-21ksoftirqd/209:23:322
13730993513,19cyclictest5211-21sed07:55:242
13729993530,3cyclictest25-21ksoftirqd/111:25:001
13729993529,4cyclictest25-21ksoftirqd/111:36:561
13729993529,4cyclictest25-21ksoftirqd/110:47:141
13729993529,4cyclictest25-21ksoftirqd/110:47:141
13729993529,4cyclictest25-21ksoftirqd/108:21:551
13729993529,4cyclictest25-21ksoftirqd/107:33:371
13729993529,4cyclictest25-21ksoftirqd/107:11:041
13729993529,3cyclictest420-21rs:main1
13729993512,20cyclictest9675-21sed09:10:191
13727993530,3cyclictest9-21ksoftirqd/010:15:010
13727993530,3cyclictest9-21ksoftirqd/008:20:000
13727993529,4cyclictest9-21ksoftirqd/012:29:010
13727993529,4cyclictest9-21ksoftirqd/012:17:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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