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2026-05-14 - 20:51
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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 Thu May 14, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244872208173,23sleep30-21swapper/307:09:103
244852205171,23sleep10-21swapper/107:09:081
244842204171,22sleep00-21swapper/007:09:060
241982201169,21sleep20-21swapper/207:06:062
138412750,2sleep00-21swapper/009:00:140
247722680,5sleep233-21ksoftirqd/211:35:212
261442570,2sleep10-21swapper/110:30:251
1394915738,11phc2sys0-21swapper/307:10:013
25009995628,10cyclictest41-21ksoftirqd/312:05:013
25009995623,8cyclictest41-21ksoftirqd/310:55:263
25009995526,9cyclictest41-21ksoftirqd/312:20:003
217402550,1sleep00-21swapper/008:10:120
25009995426,8cyclictest41-21ksoftirqd/312:10:263
65712530,2sleep06565-21latency_hist11:00:000
25009995225,10cyclictest41-21ksoftirqd/310:35:273
323862510,2sleep20-21swapper/211:50:252
2500999513,6cyclictest41-21ksoftirqd/307:30:213
25009995126,8cyclictest41-21ksoftirqd/311:20:163
25009995124,8cyclictest41-21ksoftirqd/308:05:203
2500999510,6cyclictest401ktimersoftd/310:15:163
2500999505,8cyclictest41-21ksoftirqd/308:00:013
2500999505,10cyclictest41-21ksoftirqd/307:25:163
2500999504,6cyclictest41-21ksoftirqd/310:10:003
25009995022,9cyclictest41-21ksoftirqd/308:20:143
25009995021,10cyclictest41-21ksoftirqd/310:00:243
25009995020,4cyclictest41-21ksoftirqd/309:57:043
25009995018,6cyclictest41-21ksoftirqd/307:40:133
2500999496,4cyclictest41-21ksoftirqd/309:30:253
2500999495,7cyclictest41-21ksoftirqd/307:20:223
25009994925,10cyclictest41-21ksoftirqd/309:40:293
25009994924,8cyclictest41-21ksoftirqd/311:55:223
25009994917,9cyclictest41-21ksoftirqd/309:20:233
2500999486,7cyclictest41-21ksoftirqd/312:30:233
2500999486,7cyclictest41-21ksoftirqd/311:45:203
2500999485,7cyclictest41-21ksoftirqd/311:45:023
2500999481,6cyclictest401ktimersoftd/308:10:203
2500999476,8cyclictest26798-21latency_hist10:35:003
2500999476,7cyclictest41-21ksoftirqd/308:55:213
2500999476,6cyclictest41-21ksoftirqd/312:20:223
2500999475,8cyclictest41-21ksoftirqd/311:05:013
2500999475,7cyclictest41-21ksoftirqd/311:15:283
2500999475,6cyclictest41-21ksoftirqd/311:30:123
2500999474,9cyclictest41-21ksoftirqd/307:35:123
2500999473,6cyclictest41-21ksoftirqd/311:50:123
2500999473,6cyclictest41-21ksoftirqd/309:45:173
2500999473,6cyclictest41-21ksoftirqd/309:45:173
2500999473,5cyclictest41-21ksoftirqd/310:51:403
2500999472,8cyclictest41-21ksoftirqd/308:50:223
2500999470,7cyclictest401ktimersoftd/307:50:193
2500999470,5cyclictest401ktimersoftd/311:35:203
2500999465,7cyclictest41-21ksoftirqd/312:00:143
2500999465,7cyclictest41-21ksoftirqd/310:50:003
2500999465,7cyclictest41-21ksoftirqd/310:50:003
2500999465,7cyclictest41-21ksoftirqd/310:40:243
2500999465,7cyclictest41-21ksoftirqd/309:00:143
2500999465,7cyclictest41-21ksoftirqd/308:25:263
2500999465,6cyclictest41-21ksoftirqd/309:10:193
2500999463,7cyclictest41-21ksoftirqd/311:05:193
25009994628,11cyclictest41-21ksoftirqd/309:25:193
2500999456,7cyclictest41-21ksoftirqd/311:10:243
2500999455,9cyclictest41-21ksoftirqd/309:05:143
2500999454,7cyclictest41-21ksoftirqd/308:15:173
2500999452,8cyclictest41-21ksoftirqd/308:45:143
2500999452,6cyclictest41-21ksoftirqd/308:33:493
2500999446,6cyclictest41-21ksoftirqd/308:40:183
2500999445,8cyclictest41-21ksoftirqd/308:00:203
2500999445,7cyclictest41-21ksoftirqd/310:20:153
2500999445,7cyclictest41-21ksoftirqd/309:15:253
2500999445,6cyclictest41-21ksoftirqd/311:25:123
2500999444,7cyclictest41-21ksoftirqd/307:15:163
2500999444,6cyclictest41-21ksoftirqd/308:35:173
2500999442,6cyclictest41-21ksoftirqd/312:27:323
2500999435,7cyclictest41-21ksoftirqd/310:25:193
2500999435,7cyclictest41-21ksoftirqd/309:50:203
2500999435,6cyclictest41-21ksoftirqd/312:35:223
2500999434,6cyclictest41-21ksoftirqd/310:10:133
2500999433,6cyclictest41-21ksoftirqd/309:35:123
139391420,0ptp4l401ktimersoftd/307:49:023
57898410,7rtkit-daemon0-21swapper/009:39:430
25008994035,3cyclictest33-21ksoftirqd/211:00:002
25007994035,3cyclictest25-21ksoftirqd/109:45:001
25007994035,3cyclictest25-21ksoftirqd/107:39:591
25008993928,9cyclictest33-21ksoftirqd/207:35:232
2500899390,37cyclictest6164-21cron08:45:002
25008993834,3cyclictest33-21ksoftirqd/211:30:002
25008993834,2cyclictest33-21ksoftirqd/211:20:002
25008993833,3cyclictest33-21ksoftirqd/210:30:002
25008993833,3cyclictest33-21ksoftirqd/210:15:012
25008993832,3cyclictest33-21ksoftirqd/211:15:002
25008993832,3cyclictest33-21ksoftirqd/208:00:002
25008993828,9cyclictest33-21ksoftirqd/208:50:272
25007993834,2cyclictest25-21ksoftirqd/108:59:591
25007993833,3cyclictest25-21ksoftirqd/111:40:141
25007993833,2cyclictest25-21ksoftirqd/108:35:011
25008993732,3cyclictest33-21ksoftirqd/211:10:002
25008993732,3cyclictest33-21ksoftirqd/209:30:012
25008993732,3cyclictest33-21ksoftirqd/207:30:002
25008993731,4cyclictest33-21ksoftirqd/212:08:502
25008993731,3cyclictest33-21ksoftirqd/209:14:592
25008993731,3cyclictest33-21ksoftirqd/208:45:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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