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2026-09-18 - 00:09
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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 Sep 17, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62692205172,22sleep00-21swapper/007:09:490
58692205172,22sleep10-21swapper/107:05:271
139491205170,24phc2sys0-21swapper/307:05:343
62472203169,23sleep20-21swapper/207:09:352
543521710,4sleep3658299cyclictest11:35:003
2632621420,5sleep2658199cyclictest10:05:172
65832740,2sleep16586-21latency08:15:201
658199717,62cyclictest23815-21kworker/2:210:14:132
6582996929,10cyclictest41-21ksoftirqd/309:55:153
6582996726,8cyclictest41-21ksoftirqd/310:14:183
6582996630,7cyclictest41-21ksoftirqd/311:55:173
6582996625,4cyclictest41-21ksoftirqd/308:55:273
658199660,23cyclictest21994-21cat09:55:192
658199660,21cyclictest26404-21cat12:15:272
6582996525,7cyclictest41-21ksoftirqd/309:40:183
658199656,17cyclictest24872-21switchtime10:00:242
658199650,22cyclictest12569-21latency_hist08:30:002
658199650,20cyclictest14219-21cat08:30:232
658199641,19cyclictest26082-21switchtime08:55:242
6582996329,8cyclictest41-21ksoftirqd/311:40:003
6582996328,8cyclictest41-21ksoftirqd/308:05:163
6582996328,8cyclictest41-21ksoftirqd/308:05:163
6582996327,8cyclictest41-21ksoftirqd/309:00:173
6582996327,7cyclictest41-21ksoftirqd/310:05:003
658199630,21cyclictest11923-21tr11:45:232
6582996232,7cyclictest41-21ksoftirqd/307:25:273
6582996230,8cyclictest41-21ksoftirqd/307:50:123
6582996229,6cyclictest41-21ksoftirqd/308:25:233
6582996229,5cyclictest41-21ksoftirqd/311:15:193
6582996226,4cyclictest41-21ksoftirqd/309:25:213
6582996225,9cyclictest41-21ksoftirqd/310:15:233
6582996225,8cyclictest41-21ksoftirqd/308:15:003
6582996222,8cyclictest41-21ksoftirqd/308:40:143
658199620,21cyclictest11344-21date10:40:002
6582996128,4cyclictest41-21ksoftirqd/308:35:203
6582996125,6cyclictest41-21ksoftirqd/309:15:183
6582996125,4cyclictest41-21ksoftirqd/310:05:173
6582996031,9cyclictest41-21ksoftirqd/309:10:233
6582996031,4cyclictest41-21ksoftirqd/311:40:243
6582996030,7cyclictest41-21ksoftirqd/311:00:213
6582996029,7cyclictest41-21ksoftirqd/309:25:003
6582996029,4cyclictest41-21ksoftirqd/309:50:233
6582996028,4cyclictest41-21ksoftirqd/310:20:123
6582996027,8cyclictest41-21ksoftirqd/311:10:233
6582996025,4cyclictest41-21ksoftirqd/310:50:003
6582996024,7cyclictest41-21ksoftirqd/308:15:223
6582996022,4cyclictest41-21ksoftirqd/311:50:173
6582996020,4cyclictest41-21ksoftirqd/307:20:153
6582995931,7cyclictest41-21ksoftirqd/307:30:223
6582995930,8cyclictest41-21ksoftirqd/311:25:253
6582995930,7cyclictest41-21ksoftirqd/309:35:133
6582995930,7cyclictest41-21ksoftirqd/307:55:133
6582995929,8cyclictest41-21ksoftirqd/311:00:003
6582995929,7cyclictest41-21ksoftirqd/307:35:253
6582995929,4cyclictest41-21ksoftirqd/310:50:203
6582995929,4cyclictest41-21ksoftirqd/307:40:263
6582995928,4cyclictest41-21ksoftirqd/310:35:183
6582995924,6cyclictest41-21ksoftirqd/312:15:003
6582995924,6cyclictest41-21ksoftirqd/310:45:013
6582995923,8cyclictest41-21ksoftirqd/308:45:223
6582995919,10cyclictest41-21ksoftirqd/312:30:153
6582995915,10cyclictest41-21ksoftirqd/312:00:133
6582995830,10cyclictest41-21ksoftirqd/312:25:223
6582995830,10cyclictest41-21ksoftirqd/312:25:223
6582995828,8cyclictest41-21ksoftirqd/310:30:133
6582995827,8cyclictest41-21ksoftirqd/311:20:183
6582995826,8cyclictest41-21ksoftirqd/312:15:143
6582995823,4cyclictest41-21ksoftirqd/307:50:003
6582995822,10cyclictest41-21ksoftirqd/311:45:173
6582995729,7cyclictest41-21ksoftirqd/310:25:163
6582995728,8cyclictest41-21ksoftirqd/309:30:123
6582995726,7cyclictest41-21ksoftirqd/312:05:133
6582995725,7cyclictest41-21ksoftirqd/308:20:163
6582995723,7cyclictest41-21ksoftirqd/309:05:143
658199570,19cyclictest16272-21bash10:50:092
6582995626,7cyclictest41-21ksoftirqd/311:05:283
6582995626,7cyclictest41-21ksoftirqd/308:50:143
6582995621,7cyclictest41-21ksoftirqd/312:35:273
6582995621,4cyclictest41-21ksoftirqd/308:00:123
658199560,27cyclictest10233-21latency_hist08:25:002
658199560,21cyclictest4610-21systemctl08:10:252
6582995525,8cyclictest41-21ksoftirqd/309:45:213
6582995523,4cyclictest41-21ksoftirqd/308:30:133
658199558,21cyclictest31716-21latency_hist09:10:002
6582995426,7cyclictest41-21ksoftirqd/307:15:263
6582995421,7cyclictest41-21ksoftirqd/307:10:133
658199540,22cyclictest151162sleep208:35:022
658199540,18cyclictest524-21ls09:10:192
658199533,19cyclictest316232chrt12:26:262
658199533,19cyclictest316232chrt12:26:262
658199530,20cyclictest23476-21/usr/sbin/munin07:45:152
658199520,25cyclictest17914-21vmstat07:30:282
658199520,21cyclictest2761-21chrt11:27:492
658199520,21cyclictest13440-21taskset09:37:112
658199511,27cyclictest22316-21egrep08:50:132
658299502,8cyclictest41-21ksoftirqd/312:25:003
658199501,20cyclictest19823-21taskset12:04:592
658199500,22cyclictest3844-21taskset09:16:422
658199500,20cyclictest13593-21taskset10:44:442
33092500,2sleep00-21swapper/008:10:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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