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2026-06-17 - 21:03
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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 Jun 17, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491211177,22phc2sys0-21swapper/307:05:023
281752204171,22sleep10-21swapper/107:05:061
281742204171,22sleep00-21swapper/007:05:050
281712204172,21sleep20-21swapper/207:05:032
139391670,1ptp4l401ktimersoftd/312:10:143
30604996225,6cyclictest33-21ksoftirqd/209:50:132
189502620,2sleep018914-21timerandwakeup08:55:250
30604996123,6cyclictest33-21ksoftirqd/211:55:212
30604996123,6cyclictest33-21ksoftirqd/211:55:212
30604995923,12cyclictest33-21ksoftirqd/210:30:012
30604995829,9cyclictest33-21ksoftirqd/207:45:232
30604995824,11cyclictest33-21ksoftirqd/209:05:122
30604995823,4cyclictest33-21ksoftirqd/207:25:172
30604995821,11cyclictest33-21ksoftirqd/209:25:142
30604995726,9cyclictest33-21ksoftirqd/212:35:232
140762570,2sleep00-21swapper/012:10:000
30604995623,4cyclictest33-21ksoftirqd/212:35:002
30604995523,4cyclictest33-21ksoftirqd/209:15:192
30604995520,11cyclictest33-21ksoftirqd/212:00:242
153902550,2sleep20-21swapper/212:10:192
3060499546,9cyclictest33-21ksoftirqd/209:40:152
30604995422,9cyclictest33-21ksoftirqd/208:00:002
30604995421,5cyclictest33-21ksoftirqd/210:05:242
3060499536,8cyclictest33-21ksoftirqd/208:50:142
3060499535,9cyclictest33-21ksoftirqd/208:45:222
3060499535,8cyclictest33-21ksoftirqd/210:15:172
30604995330,9cyclictest33-21ksoftirqd/210:20:142
30604995228,7cyclictest33-21ksoftirqd/209:39:592
30604995219,5cyclictest33-21ksoftirqd/208:20:152
3060499516,9cyclictest33-21ksoftirqd/211:20:252
3060499515,8cyclictest33-21ksoftirqd/211:00:192
3060499515,8cyclictest33-21ksoftirqd/209:55:212
3060499514,8cyclictest33-21ksoftirqd/210:10:112
3060499513,8cyclictest33-21ksoftirqd/208:39:592
3060499512,8cyclictest33-21ksoftirqd/208:15:132
30604995124,6cyclictest33-21ksoftirqd/211:10:142
30604995119,4cyclictest33-21ksoftirqd/210:50:182
3060499505,9cyclictest33-21ksoftirqd/209:25:012
3060499504,9cyclictest33-21ksoftirqd/208:25:202
3060499504,9cyclictest33-21ksoftirqd/208:10:192
3060499504,8cyclictest33-21ksoftirqd/211:15:172
3060499504,10cyclictest33-21ksoftirqd/210:45:152
30604995027,8cyclictest33-21ksoftirqd/207:55:162
3060499501,5cyclictest0-21swapper/207:34:592
3060499494,6cyclictest33-21ksoftirqd/209:00:242
3060499493,7cyclictest33-21ksoftirqd/208:40:202
3060499493,5cyclictest33-21ksoftirqd/211:25:112
3060499493,10cyclictest33-21ksoftirqd/207:10:162
3060499492,8cyclictest33-21ksoftirqd/207:20:272
30604994918,5cyclictest33-21ksoftirqd/207:35:162
3060499491,6cyclictest33-21ksoftirqd/211:35:002
320852480,4sleep132090-21missed_timers10:30:201
3060499486,9cyclictest33-21ksoftirqd/212:25:182
3060499486,8cyclictest33-21ksoftirqd/210:55:132
3060499485,5cyclictest33-21ksoftirqd/207:40:182
3060499485,11cyclictest33-21ksoftirqd/211:05:132
3060499484,8cyclictest33-21ksoftirqd/212:05:182
3060499483,9cyclictest33-21ksoftirqd/209:30:292
3060499482,10cyclictest33-21ksoftirqd/211:40:242
30604994817,4cyclictest33-21ksoftirqd/212:23:122
3060499480,8cyclictest33-21ksoftirqd/208:05:162
3060499480,6cyclictest33-21ksoftirqd/212:20:012
3060499480,6cyclictest33-21ksoftirqd/209:00:012
3060499477,3cyclictest33-21ksoftirqd/210:00:162
3060499473,6cyclictest33-21ksoftirqd/209:14:592
3060499472,10cyclictest33-21ksoftirqd/210:40:202
3060499465,6cyclictest33-21ksoftirqd/210:40:002
3060499463,9cyclictest33-21ksoftirqd/207:15:152
3060499463,5cyclictest33-21ksoftirqd/208:30:142
3060499462,6cyclictest33-21ksoftirqd/209:45:202
139391460,1ptp4l401ktimersoftd/312:18:533
3060499453,7cyclictest33-21ksoftirqd/211:45:112
3060499451,6cyclictest33-21ksoftirqd/211:50:212
3060499443,9cyclictest33-21ksoftirqd/211:35:222
3060499443,9cyclictest33-21ksoftirqd/210:30:212
30603994426,3cyclictest25-21ksoftirqd/110:11:591
139391440,0ptp4l401ktimersoftd/311:46:113
30603994337,4cyclictest9560-21latency_hist08:40:001
139391430,0ptp4l401ktimersoftd/311:33:163
139391430,0ptp4l401ktimersoftd/311:20:183
139391430,0ptp4l401ktimersoftd/307:48:523
3060499423,9cyclictest33-21ksoftirqd/207:50:232
24532420,1sleep10-21swapper/110:35:261
139391420,1ptp4l401ktimersoftd/310:28:283
139391420,0ptp4l401ktimersoftd/308:11:123
139391420,0ptp4l401ktimersoftd/307:25:123
139391410,33ptp4l0-21swapper/307:10:003
139391410,0ptp4l401ktimersoftd/309:45:133
139391410,0ptp4l401ktimersoftd/308:38:423
57898400,4rtkit-daemon20541-21sensors_temp12:20:241
30605994029,9cyclictest41-21ksoftirqd/307:35:293
139391400,3ptp4l41-21ksoftirqd/309:07:393
30605993934,3cyclictest41-21ksoftirqd/308:20:003
30602993933,3cyclictest9-21ksoftirqd/008:39:590
30605993833,3cyclictest41-21ksoftirqd/310:20:013
30605993832,4cyclictest32255-21fschecks_count09:25:133
30605993832,3cyclictest41-21ksoftirqd/311:44:593
30605993832,3cyclictest41-21ksoftirqd/308:50:003
30603993832,3cyclictest17400-21irqrtprio12:15:171
30602993833,3cyclictest9-21ksoftirqd/008:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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