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2026-05-14 - 09:21
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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 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
10275993933,3cyclictest9-21ksoftirqd/019:15:000
1027599390,11cyclictest121rcu_preempt21:50:010
10277993832,4cyclictest33-21ksoftirqd/220:30:432
1027699382,2cyclictest121rcu_preempt20:15:261
1027599389,4cyclictest9-21ksoftirqd/000:15:170
10275993832,3cyclictest9-21ksoftirqd/022:05:010
10275993822,4cyclictest9-21ksoftirqd/022:25:010
10275993821,3cyclictest9-21ksoftirqd/020:20:010
10276993733,3cyclictest25-21ksoftirqd/123:15:001
10276993733,3cyclictest25-21ksoftirqd/120:35:001
10276993733,3cyclictest25-21ksoftirqd/119:30:001
10276993732,3cyclictest25-21ksoftirqd/122:35:131
10276993732,3cyclictest25-21ksoftirqd/122:35:001
10276993732,3cyclictest25-21ksoftirqd/120:40:171
10276993732,3cyclictest25-21ksoftirqd/120:40:171
10276993732,3cyclictest25-21ksoftirqd/100:35:001
10275993730,4cyclictest9-21ksoftirqd/023:35:130
10275993724,3cyclictest9-21ksoftirqd/019:40:150
10275993724,3cyclictest9-21ksoftirqd/019:40:150
10277993631,3cyclictest33-21ksoftirqd/200:25:002
1027699366,3cyclictest121rcu_preempt21:50:011
1027699364,3cyclictest121rcu_preempt20:10:231
1027699364,3cyclictest121rcu_preempt20:10:221
10276993632,3cyclictest25-21ksoftirqd/120:50:171
10276993631,3cyclictest25-21ksoftirqd/119:55:011
10276993631,3cyclictest25-21ksoftirqd/119:20:011
10276993631,3cyclictest25-21ksoftirqd/100:25:001
10276993631,3cyclictest25-21ksoftirqd/100:10:531
10276993630,4cyclictest25-21ksoftirqd/123:25:591
10276993630,4cyclictest25-21ksoftirqd/123:25:581
10276993630,4cyclictest25-21ksoftirqd/100:19:441
10276993630,3cyclictest25-21ksoftirqd/122:10:131
1027699360,11cyclictest25-21ksoftirqd/100:00:011
10275993631,3cyclictest9-21ksoftirqd/023:55:170
10275993631,3cyclictest9-21ksoftirqd/023:35:000
10275993631,3cyclictest9-21ksoftirqd/022:14:590
10275993631,3cyclictest9-21ksoftirqd/000:35:000
10275993630,4cyclictest9-21ksoftirqd/021:20:010
10275993630,4cyclictest9-21ksoftirqd/000:00:420
10275993630,3cyclictest9-21ksoftirqd/021:39:590
10275993629,4cyclictest9-21ksoftirqd/000:28:300
10275993626,3cyclictest9-21ksoftirqd/020:00:210
10275993623,4cyclictest9-21ksoftirqd/020:55:180
10275993622,4cyclictest9-21ksoftirqd/023:50:000
10275993622,4cyclictest9-21ksoftirqd/020:50:010
10275993621,3cyclictest9-21ksoftirqd/021:25:160
10275993618,5cyclictest9-21ksoftirqd/022:30:010
10275993617,6cyclictest9-21ksoftirqd/019:30:150
1027599361,2cyclictest121rcu_preempt00:05:170
57898350,2rtkit-daemon0-21swapper/220:15:182
10277993530,3cyclictest33-21ksoftirqd/223:23:052
10277993530,3cyclictest33-21ksoftirqd/222:55:192
10277993530,3cyclictest33-21ksoftirqd/222:55:192
10277993530,3cyclictest33-21ksoftirqd/221:09:022
10277993530,3cyclictest33-21ksoftirqd/200:26:192
10277993530,3cyclictest33-21ksoftirqd/200:04:582
10277993529,4cyclictest33-21ksoftirqd/223:52:052
10277993529,4cyclictest33-21ksoftirqd/223:36:092
10277993529,4cyclictest33-21ksoftirqd/219:25:052
10277993529,4cyclictest33-21ksoftirqd/200:06:542
10277993524,9cyclictest33-21ksoftirqd/220:35:272
1027699353,3cyclictest121rcu_preempt23:40:141
10276993531,2cyclictest25-21ksoftirqd/122:44:591
10276993530,3cyclictest25-21ksoftirqd/123:20:001
10276993530,3cyclictest25-21ksoftirqd/120:50:001
10276993530,3cyclictest25-21ksoftirqd/100:02:591
10276993529,4cyclictest25-21ksoftirqd/123:04:231
10276993529,4cyclictest25-21ksoftirqd/122:57:011
10276993529,4cyclictest25-21ksoftirqd/122:57:011
10276993529,4cyclictest25-21ksoftirqd/122:03:501
10276993523,4cyclictest25-21ksoftirqd/119:25:011
1027599356,3cyclictest121rcu_preempt22:05:110
10275993531,3cyclictest9-21ksoftirqd/023:05:120
10275993531,3cyclictest9-21ksoftirqd/020:40:190
10275993531,3cyclictest9-21ksoftirqd/020:40:190
10275993531,2cyclictest9-21ksoftirqd/021:00:190
10275993530,3cyclictest9-21ksoftirqd/022:45:190
10275993530,3cyclictest9-21ksoftirqd/019:55:190
10275993529,3cyclictest9-21ksoftirqd/019:20:120
10275993521,3cyclictest9-21ksoftirqd/019:45:190
125482340,2sleep20-21swapper/223:45:002
10277993429,3cyclictest33-21ksoftirqd/219:40:092
10277993429,3cyclictest33-21ksoftirqd/219:40:092
10277993428,4cyclictest33-21ksoftirqd/222:14:292
10277993428,4cyclictest33-21ksoftirqd/220:10:342
10277993428,4cyclictest33-21ksoftirqd/220:10:342
10277993428,4cyclictest33-21ksoftirqd/219:39:452
10277993428,3cyclictest33-21ksoftirqd/223:19:392
10277993423,10cyclictest33-21ksoftirqd/221:45:242
10277993421,11cyclictest33-21ksoftirqd/222:49:482
1027699344,3cyclictest121rcu_preempt21:29:451
10276993429,3cyclictest25-21ksoftirqd/123:25:011
10276993429,3cyclictest25-21ksoftirqd/122:55:011
10276993429,3cyclictest25-21ksoftirqd/122:25:101
10276993429,3cyclictest25-21ksoftirqd/121:35:001
10276993428,4cyclictest25-21ksoftirqd/120:56:261
10276993428,4cyclictest25-21ksoftirqd/119:47:261
10276993428,4cyclictest25-21ksoftirqd/100:26:391
10276993428,4cyclictest25-21ksoftirqd/100:09:051
10276993428,3cyclictest25-21ksoftirqd/120:25:011
10276993428,3cyclictest25-21ksoftirqd/119:35:141
10276993418,4cyclictest25-21ksoftirqd/122:05:131
1027699340,3cyclictest121rcu_preempt19:10:141
10275993430,2cyclictest9-21ksoftirqd/020:05:180
10275993429,3cyclictest9-21ksoftirqd/021:35:000
10275993428,4cyclictest9-21ksoftirqd/020:28:570
10275993428,3cyclictest9-21ksoftirqd/023:27:280
10275993428,3cyclictest9-21ksoftirqd/023:27:280
10275993428,3cyclictest9-21ksoftirqd/020:50:180
10275993423,3cyclictest9-21ksoftirqd/019:25:160
10275993419,3cyclictest9-21ksoftirqd/023:00:220
10275993417,5cyclictest9-21ksoftirqd/020:25:010
10277993327,4cyclictest33-21ksoftirqd/222:09:032
10277993327,4cyclictest33-21ksoftirqd/219:19:192
10276993329,3cyclictest25-21ksoftirqd/120:05:181
10276993328,3cyclictest25-21ksoftirqd/123:45:211
10276993327,3cyclictest25-21ksoftirqd/123:50:191
10276993327,3cyclictest25-21ksoftirqd/123:30:221
1027699332,3cyclictest121rcu_preempt22:20:181
10275993329,3cyclictest9-21ksoftirqd/000:25:000
10275993328,3cyclictest9-21ksoftirqd/021:10:150
10275993326,4cyclictest9-21ksoftirqd/022:53:180
1027599332,3cyclictest9-21ksoftirqd/022:30:240
10275993319,3cyclictest9-21ksoftirqd/021:40:110
10275993319,3cyclictest9-21ksoftirqd/021:40:110
10277993228,2cyclictest33-21ksoftirqd/221:15:202
10277993227,3cyclictest33-21ksoftirqd/223:59:432
10277993227,3cyclictest33-21ksoftirqd/220:50:522
10277993227,2cyclictest33-21ksoftirqd/221:30:192
10277993226,4cyclictest33-21ksoftirqd/222:44:472
10277993226,4cyclictest33-21ksoftirqd/219:58:372
10277993221,9cyclictest33-21ksoftirqd/222:35:272
10277993214,16cyclictest33-21ksoftirqd/222:19:592
10276993229,2cyclictest25-21ksoftirqd/100:40:001
10276993228,3cyclictest25-21ksoftirqd/121:40:131
10276993228,3cyclictest25-21ksoftirqd/121:40:131
10276993227,3cyclictest25-21ksoftirqd/123:35:181
10276993226,4cyclictest25-21ksoftirqd/121:01:121
1027599324,3cyclictest121rcu_preempt21:50:230
10275993227,3cyclictest9-21ksoftirqd/023:45:190
10275993227,3cyclictest9-21ksoftirqd/021:20:140
10275993219,3cyclictest9-21ksoftirqd/023:45:000
1027599320,9cyclictest25919-21phc2sys21:55:210
10277993126,3cyclictest33-21ksoftirqd/223:10:182
10277993126,3cyclictest33-21ksoftirqd/222:02:452
10277993126,3cyclictest33-21ksoftirqd/220:00:492
10277993126,3cyclictest33-21ksoftirqd/200:34:272
10277993126,3cyclictest33-21ksoftirqd/200:19:082
10277993125,4cyclictest33-21ksoftirqd/223:49:002
10277993125,4cyclictest33-21ksoftirqd/221:02:562
10277993125,4cyclictest33-21ksoftirqd/219:45:552
10277993125,3cyclictest33-21ksoftirqd/221:20:132
1027799310,29cyclictest0-21swapper/223:05:222
10276993125,3cyclictest25-21ksoftirqd/121:20:221
10276993125,3cyclictest25-21ksoftirqd/121:15:141
10275993127,3cyclictest9-21ksoftirqd/000:10:270
10275993127,2cyclictest9-21ksoftirqd/023:00:000
10275993127,2cyclictest9-21ksoftirqd/023:00:000
10275993126,3cyclictest9-21ksoftirqd/023:15:180
10275993126,3cyclictest9-21ksoftirqd/023:10:100
10275993126,3cyclictest9-21ksoftirqd/020:34:590
10275993126,3cyclictest9-21ksoftirqd/000:35:180
10275993115,5cyclictest9-21ksoftirqd/021:05:250
10277993026,3cyclictest33-21ksoftirqd/219:32:432
10277993025,3cyclictest33-21ksoftirqd/223:30:102
10277993025,3cyclictest33-21ksoftirqd/222:31:132
10277993025,3cyclictest33-21ksoftirqd/222:25:422
10277993025,3cyclictest33-21ksoftirqd/221:39:592
10277993025,3cyclictest33-21ksoftirqd/220:55:352
10277993025,3cyclictest33-21ksoftirqd/219:21:322
10277993025,3cyclictest33-21ksoftirqd/219:12:432
10277993024,4cyclictest33-21ksoftirqd/221:11:402
10276993025,3cyclictest25-21ksoftirqd/119:55:201
10275993027,2cyclictest9-21ksoftirqd/019:50:210
10275993026,2cyclictest9-21ksoftirqd/022:40:180
10275993025,3cyclictest9-21ksoftirqd/020:13:490
10275993025,3cyclictest9-21ksoftirqd/020:13:490
10277992926,2cyclictest33-21ksoftirqd/222:50:232
10277992924,3cyclictest33-21ksoftirqd/223:25:462
10277992924,3cyclictest33-21ksoftirqd/223:25:462
10277992924,3cyclictest33-21ksoftirqd/220:46:502
10277992924,3cyclictest33-21ksoftirqd/220:21:252
10277992924,3cyclictest33-21ksoftirqd/200:11:002
10275992914,3cyclictest9-21ksoftirqd/023:20:130
10277992824,3cyclictest33-21ksoftirqd/221:25:182
10277992823,3cyclictest33-21ksoftirqd/221:52:572
10277992823,3cyclictest33-21ksoftirqd/220:25:552
10277992822,4cyclictest33-21ksoftirqd/221:59:012
10277992822,4cyclictest33-21ksoftirqd/219:52:092
10277992817,9cyclictest33-21ksoftirqd/221:40:272
10277992817,9cyclictest33-21ksoftirqd/221:40:262
10277992312,9cyclictest33-21ksoftirqd/220:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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