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2026-06-18 - 16:44
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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 rackdslot2.osadl.org (updated Thu Jun 18, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591235189,35phc2sys0-21swapper/307:07:593
139591235189,35phc2sys0-21swapper/307:07:583
292882234169,22sleep20-21swapper/207:09:172
292882234169,22sleep20-21swapper/207:09:172
290752205171,22sleep10-21swapper/107:06:321
290752205171,22sleep10-21swapper/107:06:311
292042203169,22sleep00-21swapper/007:08:110
292042203169,22sleep00-21swapper/007:08:110
1395918663,15phc2sys0-21swapper/307:10:013
29645996729,5cyclictest25-21ksoftirqd/110:40:001
29645996633,6cyclictest25-21ksoftirqd/109:00:241
29645996628,7cyclictest25-21ksoftirqd/108:40:001
29645996532,3cyclictest25-21ksoftirqd/110:15:001
29645996333,7cyclictest25-21ksoftirqd/107:45:011
29645996333,4cyclictest25-21ksoftirqd/107:30:181
29645996331,7cyclictest25-21ksoftirqd/111:30:271
29645996331,4cyclictest25-21ksoftirqd/109:55:191
29645996331,4cyclictest25-21ksoftirqd/109:45:121
29645996328,4cyclictest25-21ksoftirqd/112:05:011
29645996328,4cyclictest25-21ksoftirqd/108:30:001
29645996326,8cyclictest25-21ksoftirqd/112:10:281
29645996231,8cyclictest25-21ksoftirqd/108:10:131
29645996229,4cyclictest25-21ksoftirqd/112:35:221
29645996227,7cyclictest25-21ksoftirqd/110:20:121
29645996227,5cyclictest25-21ksoftirqd/111:40:231
29645996225,7cyclictest25-21ksoftirqd/107:35:171
29645996132,4cyclictest25-21ksoftirqd/111:10:131
29645996131,4cyclictest25-21ksoftirqd/109:05:181
29645996131,3cyclictest25-21ksoftirqd/110:55:271
29645996129,4cyclictest25-21ksoftirqd/112:35:011
29645996129,4cyclictest25-21ksoftirqd/110:40:161
29645996128,8cyclictest25-21ksoftirqd/110:05:141
29645996127,3cyclictest25-21ksoftirqd/112:30:001
29645996126,4cyclictest25-21ksoftirqd/110:55:001
29645996028,4cyclictest25-21ksoftirqd/108:05:191
29645996027,4cyclictest25-21ksoftirqd/109:40:001
29645996027,4cyclictest25-21ksoftirqd/107:20:171
29645996026,8cyclictest25-21ksoftirqd/110:25:141
29645996026,5cyclictest25-21ksoftirqd/108:50:141
29645996025,7cyclictest25-21ksoftirqd/111:25:201
29645996025,4cyclictest25-21ksoftirqd/108:00:121
29645996025,4cyclictest25-21ksoftirqd/107:45:201
29645996024,4cyclictest25-21ksoftirqd/108:45:261
29645996023,7cyclictest25-21ksoftirqd/111:15:231
29645995932,7cyclictest25-21ksoftirqd/109:40:131
29645995928,4cyclictest25-21ksoftirqd/109:20:001
29645995928,4cyclictest25-21ksoftirqd/109:20:001
29645995928,3cyclictest25-21ksoftirqd/111:50:001
29645995925,4cyclictest25-21ksoftirqd/107:50:191
29645995923,7cyclictest25-21ksoftirqd/108:30:111
29645995923,7cyclictest25-21ksoftirqd/108:30:111
29645995831,3cyclictest25-21ksoftirqd/112:20:251
29645995830,4cyclictest25-21ksoftirqd/107:10:231
29645995830,3cyclictest25-21ksoftirqd/110:00:141
29645995829,4cyclictest25-21ksoftirqd/109:50:161
29645995829,3cyclictest25-21ksoftirqd/111:20:131
29645995828,4cyclictest25-21ksoftirqd/111:55:121
29645995828,4cyclictest25-21ksoftirqd/109:30:181
29645995827,4cyclictest25-21ksoftirqd/109:25:181
29645995827,4cyclictest25-21ksoftirqd/109:20:281
29645995824,8cyclictest25-21ksoftirqd/108:15:141
29645995824,4cyclictest25-21ksoftirqd/111:35:191
29645995823,8cyclictest25-21ksoftirqd/108:25:001
29645995731,7cyclictest25-21ksoftirqd/107:15:141
29645995725,8cyclictest25-21ksoftirqd/109:10:181
29645995725,7cyclictest25-21ksoftirqd/107:25:151
29645995725,3cyclictest25-21ksoftirqd/111:05:131
29645995722,7cyclictest25-21ksoftirqd/110:45:211
29645995722,4cyclictest25-21ksoftirqd/108:40:251
43092560,2sleep20-21swapper/211:55:012
29645995628,7cyclictest25-21ksoftirqd/110:35:011
29645995622,4cyclictest25-21ksoftirqd/107:55:231
29645995621,4cyclictest25-21ksoftirqd/108:55:211
29645995523,4cyclictest25-21ksoftirqd/110:15:241
139291550,1ptp4l401ktimersoftd/310:39:253
29645995417,4cyclictest25-21ksoftirqd/111:50:131
165282540,3sleep30-21swapper/311:10:253
29645995322,7cyclictest25-21ksoftirqd/112:05:211
2964599522,8cyclictest25-21ksoftirqd/112:20:001
29645995216,7cyclictest25-21ksoftirqd/111:00:191
139291510,6ptp4l401ktimersoftd/311:56:143
29646994718,5cyclictest33-21ksoftirqd/208:50:012
2964699467,8cyclictest33-21ksoftirqd/211:40:002
144892460,2sleep30-21swapper/308:50:233
29647994540,3cyclictest31779-21grep09:30:003
29647994528,4cyclictest41-21ksoftirqd/312:00:233
29646994539,4cyclictest13706-21dump-pmu-power10:00:002
29646994522,4cyclictest33-21ksoftirqd/208:50:172
2964699451,10cyclictest33-21ksoftirqd/209:35:192
271742450,1sleep30-21swapper/311:35:123
29647994433,2cyclictest41-21ksoftirqd/307:40:283
139291440,0ptp4l401ktimersoftd/311:05:143
29646994321,9cyclictest33-21ksoftirqd/211:25:192
139291430,0ptp4l401ktimersoftd/308:25:133
139291430,0ptp4l401ktimersoftd/307:45:533
2964799425,3cyclictest121rcu_preempt10:20:003
2964799424,3cyclictest121rcu_preempt10:49:593
29647994226,4cyclictest41-21ksoftirqd/310:50:153
2964699421,4cyclictest121rcu_preempt11:45:182
139291420,0ptp4l401ktimersoftd/308:34:563
139291420,0ptp4l401ktimersoftd/308:34:563
139291420,0ptp4l401ktimersoftd/308:15:163
2964799417,3cyclictest121rcu_preempt07:15:133
29647994136,3cyclictest41-21ksoftirqd/307:25:003
29647994126,3cyclictest41-21ksoftirqd/309:20:243
29646994127,5cyclictest33-21ksoftirqd/212:05:152
29646994126,5cyclictest33-21ksoftirqd/209:45:192
29646994126,5cyclictest33-21ksoftirqd/208:20:142
29644994135,3cyclictest20833-21dump-pmu-power10:15:000
139291410,0ptp4l401ktimersoftd/311:26:063
2964799405,2cyclictest121rcu_preempt12:15:243
2964799404,3cyclictest41-21ksoftirqd/309:50:193
2964799404,3cyclictest121rcu_preempt11:15:263
29647994037,2cyclictest41-21ksoftirqd/309:40:003
29647994036,2cyclictest41-21ksoftirqd/309:05:003
2964799403,3cyclictest121rcu_preempt09:55:253
29647994027,4cyclictest41-21ksoftirqd/309:05:203
29646994025,3cyclictest33-21ksoftirqd/209:40:152
29646994025,3cyclictest33-21ksoftirqd/209:05:172
2964799396,3cyclictest121rcu_preempt12:20:213
2964799394,7cyclictest121rcu_preempt12:05:193
2964799393,3cyclictest41-21ksoftirqd/307:50:193
29647993925,3cyclictest41-21ksoftirqd/312:10:233
29646993932,4cyclictest33-21ksoftirqd/210:29:522
29646993925,5cyclictest33-21ksoftirqd/208:15:282
29646993925,3cyclictest33-21ksoftirqd/212:30:242
29646993924,3cyclictest33-21ksoftirqd/209:30:182
29646993924,3cyclictest33-21ksoftirqd/208:40:172
29646993924,3cyclictest33-21ksoftirqd/208:25:162
2964699392,3cyclictest121rcu_preempt07:10:122
29646993916,4cyclictest33-21ksoftirqd/211:20:182
2964699390,2cyclictest121rcu_preempt11:05:142
2964799386,3cyclictest121rcu_preempt12:30:193
2964799385,8cyclictest121rcu_preempt07:30:183
2964799385,3cyclictest121rcu_preempt11:45:263
29647993834,3cyclictest41-21ksoftirqd/310:25:003
29647993832,4cyclictest41-21ksoftirqd/308:47:223
29646993834,2cyclictest33-21ksoftirqd/211:30:222
29646993825,11cyclictest10159-21awk11:00:012
29646993824,4cyclictest33-21ksoftirqd/209:00:172
29646993824,4cyclictest33-21ksoftirqd/208:10:232
29646993824,3cyclictest33-21ksoftirqd/212:25:212
29646993824,3cyclictest33-21ksoftirqd/209:50:182
29646993824,3cyclictest33-21ksoftirqd/209:25:212
29646993824,3cyclictest33-21ksoftirqd/208:05:212
29646993824,3cyclictest33-21ksoftirqd/208:00:122
29646993824,3cyclictest33-21ksoftirqd/207:40:242
29646993822,6cyclictest33-21ksoftirqd/208:35:192
29644993831,4cyclictest9-21ksoftirqd/008:57:590
29644993828,5cyclictest9-21ksoftirqd/007:20:110
2964799375,3cyclictest121rcu_preempt10:40:153
2964799375,3cyclictest121rcu_preempt10:00:163
2964799374,7cyclictest121rcu_preempt08:55:173
2964799374,3cyclictest121rcu_preempt11:40:243
29647993733,2cyclictest41-21ksoftirqd/310:55:193
29647993732,3cyclictest41-21ksoftirqd/311:20:263
29647993732,3cyclictest41-21ksoftirqd/308:00:003
29647993732,2cyclictest41-21ksoftirqd/308:15:013
29647993731,4cyclictest41-21ksoftirqd/310:34:463
29647993731,4cyclictest41-21ksoftirqd/309:49:053
29647993730,4cyclictest41-21ksoftirqd/310:11:593
29647993722,4cyclictest41-21ksoftirqd/309:15:223
29647993722,4cyclictest41-21ksoftirqd/309:15:213
2964799371,3cyclictest121rcu_preempt07:35:163
29646993732,3cyclictest33-21ksoftirqd/212:10:282
29646993732,3cyclictest33-21ksoftirqd/210:20:012
29646993724,5cyclictest33-21ksoftirqd/211:10:132
29646993723,3cyclictest33-21ksoftirqd/211:00:232
29646993723,3cyclictest33-21ksoftirqd/210:05:242
29646993721,4cyclictest33-21ksoftirqd/209:20:202
2964699370,3cyclictest121rcu_preempt07:25:232
29644993731,4cyclictest9-21ksoftirqd/010:47:070
29644993731,4cyclictest9-21ksoftirqd/009:16:160
29644993731,4cyclictest9-21ksoftirqd/009:16:160
139291370,1ptp4l542-21kworker/3:008:39:503
2964799365,2cyclictest121rcu_preempt08:00:253
29647993632,3cyclictest41-21ksoftirqd/310:25:143
29647993631,3cyclictest41-21ksoftirqd/308:05:133
29647993630,4cyclictest41-21ksoftirqd/309:10:413
29647993630,3cyclictest41-21ksoftirqd/309:35:013
2964799361,3cyclictest121rcu_preempt07:25:253
2964699365,3cyclictest121rcu_preempt10:45:192
2964699364,3cyclictest121rcu_preempt07:50:282
29646993631,3cyclictest33-21ksoftirqd/212:25:012
29646993631,2cyclictest33-21ksoftirqd/210:50:182
29646993630,4cyclictest33-21ksoftirqd/211:16:212
29646993630,4cyclictest33-21ksoftirqd/210:39:222
29646993630,3cyclictest33-21ksoftirqd/210:10:182
29644993630,4cyclictest9-21ksoftirqd/012:02:360
29644993630,4cyclictest9-21ksoftirqd/010:54:330
29647993530,3cyclictest41-21ksoftirqd/311:00:113
29647993530,3cyclictest41-21ksoftirqd/309:41:463
29647993529,4cyclictest41-21ksoftirqd/311:33:113
29647993528,4cyclictest41-21ksoftirqd/310:06:183
29647993519,4cyclictest41-21ksoftirqd/308:20:263
2964799351,3cyclictest121rcu_preempt08:40:243
29646993531,2cyclictest33-21ksoftirqd/209:15:192
29646993531,2cyclictest33-21ksoftirqd/209:15:192
29646993529,4cyclictest33-21ksoftirqd/210:30:362
29646993529,4cyclictest33-21ksoftirqd/207:20:362
2964699352,3cyclictest121rcu_preempt11:55:172
29646993522,5cyclictest33-21ksoftirqd/209:00:012
29646993521,4cyclictest33-21ksoftirqd/207:35:012
29646993521,3cyclictest33-21ksoftirqd/210:20:102
29644993530,3cyclictest9-21ksoftirqd/009:03:050
29644993530,3cyclictest9-21ksoftirqd/007:45:000
29644993529,4cyclictest9-21ksoftirqd/010:01:570
29644993529,3cyclictest9-21ksoftirqd/011:14:070
2964799342,3cyclictest121rcu_preempt12:35:113
29647993420,3cyclictest41-21ksoftirqd/312:25:283
29646993431,2cyclictest33-21ksoftirqd/211:40:132
29646993429,3cyclictest33-21ksoftirqd/210:40:192
29646993429,3cyclictest33-21ksoftirqd/207:36:222
29646993420,4cyclictest33-21ksoftirqd/207:55:222
29646993420,3cyclictest33-21ksoftirqd/208:30:122
29646993420,3cyclictest33-21ksoftirqd/208:30:122
29646993420,3cyclictest33-21ksoftirqd/207:45:172
29646993419,5cyclictest33-21ksoftirqd/212:00:142
29646993419,5cyclictest33-21ksoftirqd/209:10:142
2964699341,2cyclictest121rcu_preempt07:15:182
29644993429,3cyclictest9-21ksoftirqd/010:55:110
29644993429,3cyclictest9-21ksoftirqd/010:30:410
29644993429,3cyclictest9-21ksoftirqd/009:50:130
29644993429,3cyclictest9-21ksoftirqd/009:35:000
29644993429,3cyclictest9-21ksoftirqd/007:35:180
29644993428,4cyclictest9-21ksoftirqd/011:30:150
29644993428,4cyclictest9-21ksoftirqd/009:05:250
29644993428,4cyclictest9-21ksoftirqd/008:02:030
29644993428,4cyclictest9-21ksoftirqd/007:11:470
29646993328,3cyclictest33-21ksoftirqd/210:04:232
29646993323,9cyclictest33-21ksoftirqd/212:35:232
2964699331,3cyclictest33-21ksoftirqd/212:15:242
29644993328,3cyclictest9-21ksoftirqd/012:31:580
29644993328,3cyclictest9-21ksoftirqd/012:18:540
29644993328,3cyclictest9-21ksoftirqd/011:40:110
29644993328,3cyclictest9-21ksoftirqd/011:20:070
29644993328,3cyclictest9-21ksoftirqd/009:46:080
29644993327,4cyclictest9-21ksoftirqd/012:21:510
29644993327,4cyclictest9-21ksoftirqd/011:56:390
29644993327,4cyclictest9-21ksoftirqd/010:38:440
29644993327,4cyclictest9-21ksoftirqd/009:39:470
29644993327,4cyclictest9-21ksoftirqd/008:49:160
29644993327,4cyclictest9-21ksoftirqd/008:43:020
29644993227,3cyclictest9-21ksoftirqd/012:35:090
29644993227,3cyclictest9-21ksoftirqd/012:14:240
29644993227,3cyclictest9-21ksoftirqd/009:10:210
29644993226,4cyclictest9-21ksoftirqd/011:46:000
29644993225,4cyclictest9-21ksoftirqd/007:15:080
139291320,0ptp4l401ktimersoftd/311:50:123
29644993126,3cyclictest9-21ksoftirqd/011:51:530
29644993126,3cyclictest9-21ksoftirqd/010:29:550
29644993126,3cyclictest9-21ksoftirqd/008:05:550
29644993126,3cyclictest9-21ksoftirqd/007:27:480
29644993125,4cyclictest9-21ksoftirqd/012:07:410
29644993025,3cyclictest9-21ksoftirqd/008:50:100
29644993025,3cyclictest1-21systemd09:23:050
29644993024,4cyclictest9-21ksoftirqd/011:25:580
29644993024,4cyclictest9-21ksoftirqd/008:20:100
29644993024,4cyclictest9-21ksoftirqd/007:49:460
29644992924,3cyclictest9-21ksoftirqd/011:16:430
29644992924,3cyclictest9-21ksoftirqd/007:57:490
29644992923,4cyclictest9-21ksoftirqd/011:38:420
29644992923,4cyclictest9-21ksoftirqd/011:09:320
29644992923,4cyclictest9-21ksoftirqd/011:03:070
29644992822,4cyclictest9-21ksoftirqd/009:28:360
29644992721,4cyclictest9-21ksoftirqd/012:29:490
29644992721,4cyclictest9-21ksoftirqd/009:40:350
29644992621,3cyclictest9-21ksoftirqd/007:54:320
29644992620,4cyclictest9-21ksoftirqd/010:17:300
29644992519,4cyclictest9-21ksoftirqd/009:55:110
29644992519,4cyclictest9-21ksoftirqd/008:37:570
29644992419,3cyclictest9-21ksoftirqd/010:23:560
29644992419,3cyclictest9-21ksoftirqd/008:19:310
29644992318,3cyclictest9-21ksoftirqd/010:44:370
29644992318,3cyclictest9-21ksoftirqd/007:34:510
29644992216,4cyclictest9-21ksoftirqd/008:29:540
29644991914,3cyclictest25844-21/usr/sbin/munin08:10:170
29644991914,3cyclictest16342-21apt10:05:110
29644991812,3cyclictest5630-21grep08:35:010
29644991812,3cyclictest5630-21grep08:35:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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