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2026-06-16 - 10:52
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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 Tue Jun 16, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55502234167,22sleep30-21swapper/319:05:453
56712204171,21sleep10-21swapper/119:07:111
58762202169,22sleep00-21swapper/019:09:520
58842200170,20sleep20-21swapper/219:09:582
312062730,1sleep00-21swapper/020:00:200
139391720,1ptp4l401ktimersoftd/319:45:093
6181996622,4cyclictest25-21ksoftirqd/100:40:001
6181995917,4cyclictest25-21ksoftirqd/122:20:181
6181995613,7cyclictest25-21ksoftirqd/119:40:111
618199538,7cyclictest25-21ksoftirqd/119:30:161
6181995314,7cyclictest25-21ksoftirqd/123:05:171
139391520,1ptp4l401ktimersoftd/300:16:163
6181995119,5cyclictest25-21ksoftirqd/120:45:151
280082500,2sleep20-21swapper/223:15:272
6181994910,7cyclictest25-21ksoftirqd/123:40:251
618199487,5cyclictest25-21ksoftirqd/119:35:221
6180994828,8cyclictest9-21ksoftirqd/021:40:190
6183994740,4cyclictest16627-21turbostat.cron20:40:013
6181994710,7cyclictest25-21ksoftirqd/120:55:151
618199469,9cyclictest25-21ksoftirqd/120:00:131
618199469,8cyclictest25-21ksoftirqd/123:30:211
618199468,8cyclictest25-21ksoftirqd/121:50:231
618199463,3cyclictest121rcu_preempt21:00:251
6181994619,3cyclictest25-21ksoftirqd/121:15:181
618199459,8cyclictest25-21ksoftirqd/122:45:231
618199458,8cyclictest25-21ksoftirqd/121:35:241
618199455,3cyclictest121rcu_preempt21:20:231
6181994529,4cyclictest25-21ksoftirqd/120:00:011
6181994512,7cyclictest25-21ksoftirqd/123:50:221
618199448,7cyclictest25-21ksoftirqd/122:10:161
6180994413,3cyclictest9-21ksoftirqd/000:35:260
618199434,4cyclictest25-21ksoftirqd/123:10:181
618199434,4cyclictest25-21ksoftirqd/122:55:271
618199433,3cyclictest121rcu_preempt20:40:141
6181994311,7cyclictest25-21ksoftirqd/121:30:231
618199430,2cyclictest121rcu_preempt19:15:211
57898430,9rtkit-daemon0-21swapper/320:54:163
139391430,0ptp4l401ktimersoftd/322:28:273
618199427,8cyclictest25-21ksoftirqd/120:10:131
618199425,4cyclictest25-21ksoftirqd/100:20:191
618199424,10cyclictest25-21ksoftirqd/122:40:201
618199423,4cyclictest25-21ksoftirqd/119:20:221
618199423,12cyclictest25-21ksoftirqd/100:30:251
618199422,4cyclictest25-21ksoftirqd/120:05:161
618199421,3cyclictest25-21ksoftirqd/121:10:131
6181994211,9cyclictest25-21ksoftirqd/121:40:181
139391420,0ptp4l401ktimersoftd/323:21:363
6182994131,9cyclictest33-21ksoftirqd/220:00:232
6182994128,11cyclictest33-21ksoftirqd/219:44:592
618199417,7cyclictest25-21ksoftirqd/122:05:261
618199417,4cyclictest25-21ksoftirqd/123:56:161
618199414,4cyclictest25-21ksoftirqd/119:25:181
618199414,3cyclictest207-21systemd-journal19:15:001
618199414,3cyclictest121rcu_preempt23:30:001
6181994135,3cyclictest25-21ksoftirqd/100:10:001
618199413,3cyclictest121rcu_preempt00:10:231
618199411,3cyclictest121rcu_preempt20:25:271
618199411,3cyclictest121rcu_preempt20:15:181
139391410,1ptp4l401ktimersoftd/300:39:073
139391410,0ptp4l401ktimersoftd/321:55:123
6182994029,9cyclictest33-21ksoftirqd/222:45:242
6182994029,9cyclictest33-21ksoftirqd/219:30:122
6182994026,4cyclictest33-21ksoftirqd/200:15:002
618199409,4cyclictest25-21ksoftirqd/121:55:131
618199404,3cyclictest25-21ksoftirqd/122:25:121
6181994035,3cyclictest25-21ksoftirqd/119:55:001
6181994035,3cyclictest25-21ksoftirqd/119:55:001
6181994030,3cyclictest25-21ksoftirqd/121:25:261
618199402,3cyclictest121rcu_preempt20:30:171
618199401,3cyclictest121rcu_preempt23:15:131
618199401,3cyclictest121rcu_preempt21:05:151
618199401,3cyclictest121rcu_preempt19:45:171
618199401,3cyclictest121rcu_preempt00:15:151
618199400,3cyclictest121rcu_preempt22:15:221
618099402,4cyclictest0-21swapper/022:45:230
6182993934,3cyclictest33-21ksoftirqd/223:55:002
6182993924,8cyclictest33-21ksoftirqd/223:55:192
6182993919,3cyclictest33-21ksoftirqd/219:15:132
618299390,2cyclictest121rcu_preempt21:15:132
6181993934,3cyclictest25-21ksoftirqd/122:35:011
6181993934,3cyclictest25-21ksoftirqd/120:40:011
618199392,4cyclictest25-21ksoftirqd/123:35:151
618199392,4cyclictest25-21ksoftirqd/123:35:151
618199391,3cyclictest121rcu_preempt23:00:171
618199391,3cyclictest121rcu_preempt22:35:251
618199391,3cyclictest121rcu_preempt21:45:201
6181993910,9cyclictest25-21ksoftirqd/100:00:181
618199390,2cyclictest121rcu_preempt20:50:181
6180993934,3cyclictest9-21ksoftirqd/023:20:000
6180993934,3cyclictest9-21ksoftirqd/021:00:010
618099393,3cyclictest9-21ksoftirqd/023:55:170
6180993917,3cyclictest9-21ksoftirqd/022:25:140
618099391,5cyclictest0-21swapper/000:00:160
618099391,4cyclictest0-21swapper/023:25:230
618099391,4cyclictest0-21swapper/023:00:170
6180993911,4cyclictest9-21ksoftirqd/022:35:260
139391390,1ptp4l401ktimersoftd/322:10:253
139391390,0ptp4l401ktimersoftd/319:53:583
139391390,0ptp4l401ktimersoftd/319:53:583
618299388,4cyclictest33-21ksoftirqd/223:20:142
6182993834,2cyclictest33-21ksoftirqd/221:00:012
6182993834,2cyclictest33-21ksoftirqd/200:05:002
6182993833,3cyclictest33-21ksoftirqd/219:50:002
6182993832,3cyclictest33-21ksoftirqd/221:45:012
6182993825,5cyclictest33-21ksoftirqd/222:20:242
6181993834,2cyclictest25-21ksoftirqd/120:25:001
618199381,3cyclictest121rcu_preempt00:25:191
618199380,3cyclictest121rcu_preempt23:20:221
618199380,3cyclictest121rcu_preempt22:00:151
6180993834,2cyclictest9-21ksoftirqd/022:25:000
618099382,4cyclictest0-21swapper/019:45:240
6180993824,3cyclictest9-21ksoftirqd/000:15:130
6180993810,6cyclictest9-21ksoftirqd/022:05:180
61222380,3sleep36126-21cpuspeed23:40:113
6183993731,4cyclictest41-21ksoftirqd/300:06:473
6182993734,2cyclictest33-21ksoftirqd/223:05:002
6182993732,3cyclictest33-21ksoftirqd/223:00:012
6182993732,3cyclictest33-21ksoftirqd/222:20:012
6182993732,3cyclictest33-21ksoftirqd/220:40:002
6182993732,3cyclictest33-21ksoftirqd/219:30:012
618199370,3cyclictest121rcu_preempt23:45:161
618099379,4cyclictest9-21ksoftirqd/022:00:170
618099377,4cyclictest9-21ksoftirqd/019:55:240
6180993732,3cyclictest9-21ksoftirqd/023:24:590
6180993732,3cyclictest9-21ksoftirqd/021:35:000
6180993718,7cyclictest9-21ksoftirqd/020:20:190
618099371,4cyclictest0-21swapper/022:10:130
618099371,3cyclictest121rcu_preempt20:30:010
139391370,0ptp4l401ktimersoftd/322:00:223
6183993630,4cyclictest41-21ksoftirqd/322:51:213
6182993632,2cyclictest33-21ksoftirqd/221:35:002
6182993632,2cyclictest33-21ksoftirqd/219:15:002
6182993632,2cyclictest33-21ksoftirqd/200:24:592
6182993631,3cyclictest33-21ksoftirqd/220:50:182
6182993631,3cyclictest33-21ksoftirqd/220:40:132
6182993630,3cyclictest33-21ksoftirqd/223:30:162
6182993626,9cyclictest33-21ksoftirqd/200:05:282
618299362,3cyclictest121rcu_preempt22:30:172
6182993620,4cyclictest33-21ksoftirqd/220:20:282
6181993631,3cyclictest25-21ksoftirqd/122:50:121
618099367,3cyclictest9-21ksoftirqd/019:50:260
618099367,3cyclictest9-21ksoftirqd/019:50:260
6180993631,3cyclictest9-21ksoftirqd/000:30:000
6180993630,4cyclictest9-21ksoftirqd/019:40:110
6180993621,4cyclictest9-21ksoftirqd/019:10:120
6183993530,3cyclictest41-21ksoftirqd/322:55:133
6183993530,3cyclictest41-21ksoftirqd/300:10:113
6183993529,4cyclictest41-21ksoftirqd/323:59:583
6183993529,4cyclictest41-21ksoftirqd/322:16:113
6183993529,4cyclictest41-21ksoftirqd/319:13:463
618299354,3cyclictest33-21ksoftirqd/222:05:162
6182993531,3cyclictest33-21ksoftirqd/221:20:172
6182993531,2cyclictest33-21ksoftirqd/221:59:592
6182993531,2cyclictest33-21ksoftirqd/219:55:202
6182993530,3cyclictest33-21ksoftirqd/223:25:142
6182993530,3cyclictest33-21ksoftirqd/221:25:262
6182993529,4cyclictest33-21ksoftirqd/220:31:562
618299352,8cyclictest33-21ksoftirqd/223:50:012
618099359,3cyclictest9-21ksoftirqd/021:15:130
618099354,2cyclictest13439-21/usr/sbin/munin20:30:240
6180993531,2cyclictest9-21ksoftirqd/020:35:150
6180993530,3cyclictest9-21ksoftirqd/021:10:190
6180993530,3cyclictest9-21ksoftirqd/019:35:130
6180993530,3cyclictest9-21ksoftirqd/000:05:190
6180993529,4cyclictest9-21ksoftirqd/019:27:000
618099352,3cyclictest121rcu_preempt23:35:210
618099352,3cyclictest121rcu_preempt23:35:210
6180993523,3cyclictest9-21ksoftirqd/020:45:200
6180993522,3cyclictest9-21ksoftirqd/023:50:190
6180993521,4cyclictest9-21ksoftirqd/020:50:150
6183993429,3cyclictest41-21ksoftirqd/321:03:093
6183993429,3cyclictest41-21ksoftirqd/320:00:113
6183993428,4cyclictest41-21ksoftirqd/323:52:143
6183993428,4cyclictest41-21ksoftirqd/322:09:333
618299347,3cyclictest33-21ksoftirqd/219:35:252
618299344,4cyclictest33-21ksoftirqd/220:25:142
618299343,4cyclictest33-21ksoftirqd/221:10:202
6182993430,2cyclictest33-21ksoftirqd/223:13:232
6182993430,2cyclictest33-21ksoftirqd/222:50:142
6182993429,3cyclictest33-21ksoftirqd/223:40:122
6182993429,3cyclictest33-21ksoftirqd/221:45:142
6182993429,3cyclictest33-21ksoftirqd/221:35:202
6182993429,3cyclictest33-21ksoftirqd/200:30:002
6182993428,4cyclictest33-21ksoftirqd/200:18:012
6182993423,2cyclictest33-21ksoftirqd/222:00:112
618299342,2cyclictest33-21ksoftirqd/220:10:252
618299341,4cyclictest33-21ksoftirqd/221:00:182
618299340,6cyclictest33-21ksoftirqd/200:30:142
618299340,2cyclictest121rcu_preempt00:35:182
618099345,3cyclictest9-21ksoftirqd/019:15:140
618099344,3cyclictest9-21ksoftirqd/020:40:260
6180993430,3cyclictest9-21ksoftirqd/022:45:000
6180993430,3cyclictest9-21ksoftirqd/021:24:590
6180993430,3cyclictest9-21ksoftirqd/000:30:250
6180993430,2cyclictest9-21ksoftirqd/022:15:140
6180993430,2cyclictest9-21ksoftirqd/020:14:590
6180993429,3cyclictest9-21ksoftirqd/022:30:370
6180993429,3cyclictest9-21ksoftirqd/021:45:280
6180993429,3cyclictest9-21ksoftirqd/021:00:130
6180993429,3cyclictest9-21ksoftirqd/000:10:130
6180993428,4cyclictest9-21ksoftirqd/023:40:100
6180993428,4cyclictest9-21ksoftirqd/020:09:470
6180993421,3cyclictest9-21ksoftirqd/021:25:150
6180993421,3cyclictest9-21ksoftirqd/000:20:130
139391340,0ptp4l401ktimersoftd/319:20:003
6183993327,4cyclictest41-21ksoftirqd/322:24:173
6183993327,4cyclictest41-21ksoftirqd/321:53:413
6183993327,4cyclictest41-21ksoftirqd/320:34:063
6183993327,4cyclictest41-21ksoftirqd/319:26:223
618299335,8cyclictest33-21ksoftirqd/220:05:242
6182993328,3cyclictest33-21ksoftirqd/221:50:162
6182993327,4cyclictest33-21ksoftirqd/223:39:182
6182993327,4cyclictest33-21ksoftirqd/223:39:182
6182993327,3cyclictest33-21ksoftirqd/220:15:142
6182993322,9cyclictest33-21ksoftirqd/222:10:192
6182993320,11cyclictest33-21ksoftirqd/223:05:162
618299331,3cyclictest33-21ksoftirqd/222:40:162
618299330,4cyclictest33-21ksoftirqd/221:05:192
618099337,3cyclictest9-21ksoftirqd/022:55:180
618099334,3cyclictest9-21ksoftirqd/023:30:160
6180993329,2cyclictest9-21ksoftirqd/021:50:270
6180993325,5cyclictest9-21ksoftirqd/019:30:150
6180993320,3cyclictest9-21ksoftirqd/023:10:140
6180993320,3cyclictest9-21ksoftirqd/021:35:140
6180993319,4cyclictest9-21ksoftirqd/022:50:170
139391330,0ptp4l401ktimersoftd/321:20:183
6183993227,3cyclictest41-21ksoftirqd/322:31:293
6183993227,3cyclictest41-21ksoftirqd/320:10:263
6183993226,4cyclictest41-21ksoftirqd/323:17:333
6183993226,4cyclictest41-21ksoftirqd/323:11:203
6183993226,4cyclictest41-21ksoftirqd/321:31:233
6183993226,4cyclictest41-21ksoftirqd/321:07:473
6183993226,4cyclictest41-21ksoftirqd/319:44:563
618299325,3cyclictest121rcu_preempt22:35:162
618299324,2cyclictest121rcu_preempt20:45:252
6182993227,2cyclictest33-21ksoftirqd/222:25:132
618099323,5cyclictest121rcu_preempt20:15:190
618099322,9cyclictest9-21ksoftirqd/021:55:140
6180993228,2cyclictest9-21ksoftirqd/019:20:180
6180993227,3cyclictest9-21ksoftirqd/023:45:140
6180993224,3cyclictest9-21ksoftirqd/021:05:160
6180993220,3cyclictest9-21ksoftirqd/023:10:000
139391320,0ptp4l401ktimersoftd/323:45:133
139391320,0ptp4l401ktimersoftd/323:27:113
139391320,0ptp4l401ktimersoftd/321:40:303
139391320,0ptp4l401ktimersoftd/320:45:023
139391320,0ptp4l401ktimersoftd/319:31:243
6183993126,3cyclictest41-21ksoftirqd/321:46:023
6183993125,4cyclictest41-21ksoftirqd/323:38:223
6183993125,4cyclictest41-21ksoftirqd/323:38:223
6183993125,4cyclictest41-21ksoftirqd/300:34:153
6183993125,4cyclictest41-21ksoftirqd/300:29:293
6182993128,2cyclictest33-21ksoftirqd/219:50:132
6182993128,2cyclictest33-21ksoftirqd/219:50:132
6182993126,3cyclictest33-21ksoftirqd/219:20:132
139391310,10ptp4l401ktimersoftd/320:40:493
139391310,0ptp4l401ktimersoftd/300:22:173
139391310,0ptp4l401ktimersoftd/300:00:133
6183993025,3cyclictest41-21ksoftirqd/321:28:153
6183993025,3cyclictest41-21ksoftirqd/319:20:113
6183993024,4cyclictest41-21ksoftirqd/322:44:313
6183993024,4cyclictest41-21ksoftirqd/322:39:463
6183993024,4cyclictest41-21ksoftirqd/320:20:533
139391300,0ptp4l401ktimersoftd/320:59:143
139391300,0ptp4l401ktimersoftd/320:29:183
139391300,0ptp4l401ktimersoftd/319:37:053
6183992924,3cyclictest41-21ksoftirqd/323:03:173
6183992924,3cyclictest41-21ksoftirqd/322:46:403
6183992924,3cyclictest41-21ksoftirqd/321:10:293
6183992924,3cyclictest41-21ksoftirqd/320:09:273
139391290,0ptp4l401ktimersoftd/321:35:453
139391290,0ptp4l401ktimersoftd/321:18:413
6183992823,3cyclictest41-21ksoftirqd/319:59:573
6183992721,4cyclictest41-21ksoftirqd/323:07:223
6183992621,3cyclictest41-21ksoftirqd/320:17:323
139391240,0ptp4l401ktimersoftd/323:30:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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