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2026-05-14 - 12:27
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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 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491205171,23phc2sys0-21swapper/319:08:513
97672204172,22sleep10-21swapper/119:07:111
98782201168,22sleep00-21swapper/019:08:390
97582199166,22sleep20-21swapper/219:07:042
10278996430,8cyclictest41-21ksoftirqd/322:55:003
10278996327,5cyclictest41-21ksoftirqd/321:45:003
10278996327,5cyclictest41-21ksoftirqd/321:45:003
10278996237,3cyclictest41-21ksoftirqd/300:15:223
10278996228,4cyclictest41-21ksoftirqd/321:55:223
10278996127,4cyclictest41-21ksoftirqd/322:15:133
10278996119,9cyclictest41-21ksoftirqd/322:05:243
10278996023,8cyclictest41-21ksoftirqd/322:25:223
10278995923,4cyclictest41-21ksoftirqd/321:05:153
10278995917,7cyclictest41-21ksoftirqd/322:30:233
10278995828,6cyclictest41-21ksoftirqd/323:15:003
10278995827,4cyclictest41-21ksoftirqd/323:05:013
10278995824,9cyclictest41-21ksoftirqd/321:15:003
10278995821,8cyclictest41-21ksoftirqd/322:10:243
10278995740,3cyclictest41-21ksoftirqd/319:50:253
10278995727,7cyclictest41-21ksoftirqd/319:39:593
10278995725,4cyclictest41-21ksoftirqd/321:45:133
10278995725,4cyclictest41-21ksoftirqd/321:40:003
10278995722,4cyclictest41-21ksoftirqd/319:20:243
10278995720,7cyclictest41-21ksoftirqd/319:30:133
10278995711,10cyclictest41-21ksoftirqd/323:50:223
10278995623,9cyclictest41-21ksoftirqd/323:45:283
10278995622,4cyclictest41-21ksoftirqd/320:10:253
10278995622,4cyclictest41-21ksoftirqd/320:10:243
10278995621,7cyclictest41-21ksoftirqd/323:35:243
10278995621,4cyclictest41-21ksoftirqd/320:55:013
10278995621,4cyclictest41-21ksoftirqd/319:40:223
10278995621,4cyclictest41-21ksoftirqd/319:40:223
10278995617,7cyclictest41-21ksoftirqd/323:30:203
10278995617,7cyclictest41-21ksoftirqd/323:30:013
10278995617,7cyclictest41-21ksoftirqd/323:30:003
10278995525,7cyclictest41-21ksoftirqd/320:40:133
10278995525,7cyclictest41-21ksoftirqd/320:40:123
10278995524,3cyclictest41-21ksoftirqd/320:00:203
10278995523,9cyclictest41-21ksoftirqd/320:15:173
10278995523,9cyclictest41-21ksoftirqd/300:10:183
10278995522,9cyclictest41-21ksoftirqd/320:55:123
10278995522,4cyclictest41-21ksoftirqd/322:00:143
10278995519,5cyclictest41-21ksoftirqd/300:20:163
1027899547,3cyclictest41-21ksoftirqd/321:35:003
10278995424,4cyclictest41-21ksoftirqd/300:25:273
10278995421,7cyclictest41-21ksoftirqd/323:40:123
10278995420,4cyclictest41-21ksoftirqd/319:45:143
10278995418,10cyclictest41-21ksoftirqd/320:45:263
10278995417,6cyclictest41-21ksoftirqd/323:15:153
10278995326,7cyclictest41-21ksoftirqd/323:20:233
10278995321,5cyclictest41-21ksoftirqd/321:20:263
10278995321,10cyclictest41-21ksoftirqd/300:30:273
10278995320,9cyclictest41-21ksoftirqd/319:30:003
10278995320,4cyclictest41-21ksoftirqd/320:05:133
10278995319,8cyclictest41-21ksoftirqd/323:55:133
10278995317,4cyclictest41-21ksoftirqd/321:25:233
1027699539,9cyclictest25-21ksoftirqd/121:35:251
1027899526,3cyclictest41-21ksoftirqd/300:35:143
1027899525,8cyclictest545-21gmain20:35:003
10278995224,8cyclictest41-21ksoftirqd/322:20:183
10278995222,3cyclictest41-21ksoftirqd/322:40:223
10278995221,4cyclictest41-21ksoftirqd/300:05:223
1027899517,6cyclictest41-21ksoftirqd/320:25:253
1027899513,3cyclictest41-21ksoftirqd/300:05:003
10278995119,8cyclictest41-21ksoftirqd/321:15:223
1027899506,6cyclictest41-21ksoftirqd/319:15:003
1027899503,8cyclictest41-21ksoftirqd/321:00:173
10278995018,9cyclictest41-21ksoftirqd/321:50:243
10278995018,8cyclictest41-21ksoftirqd/322:55:013
10278995018,8cyclictest41-21ksoftirqd/322:55:013
10278995016,7cyclictest41-21ksoftirqd/323:05:163
10275995044,3cyclictest24549-21cron19:40:000
251972490,4sleep20-21swapper/223:00:262
1027899498,2cyclictest41-21ksoftirqd/320:40:003
10278994918,7cyclictest41-21ksoftirqd/322:45:133
10278994917,8cyclictest41-21ksoftirqd/319:20:013
10278994913,4cyclictest41-21ksoftirqd/322:35:173
1027899490,8cyclictest41-21ksoftirqd/319:55:223
1027699486,4cyclictest25-21ksoftirqd/119:30:241
10276994832,6cyclictest25-21ksoftirqd/120:03:441
10278994711,6cyclictest41-21ksoftirqd/320:20:163
1027699474,9cyclictest25-21ksoftirqd/119:40:241
1027699474,9cyclictest25-21ksoftirqd/119:40:231
10276994717,3cyclictest25-21ksoftirqd/123:06:451
10277994539,3cyclictest23347-21sh20:45:002
10277994539,3cyclictest23347-21sh20:45:002
1027699451,5cyclictest25-21ksoftirqd/121:10:291
1027599454,4cyclictest9-21ksoftirqd/022:35:270
1027599443,6cyclictest4083-21date22:19:590
10276994317,8cyclictest25-21ksoftirqd/120:36:131
10276994136,3cyclictest25-21ksoftirqd/122:00:001
1027699411,10cyclictest25-21ksoftirqd/121:05:171
10275994132,6cyclictest9-21ksoftirqd/019:20:000
10277994030,9cyclictest33-21ksoftirqd/200:35:232
10276994036,2cyclictest25-21ksoftirqd/122:20:001
10276994035,3cyclictest25-21ksoftirqd/120:30:001
10275994036,2cyclictest9-21ksoftirqd/020:40:000
10277993934,3cyclictest33-21ksoftirqd/222:25:012
10276993934,3cyclictest25-21ksoftirqd/121:55:001
1027699393,3cyclictest121rcu_preempt22:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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