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2026-06-08 - 18:18
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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 Mon Jun 08, 2026 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1315422730,50sleep30-21swapper/307:09:213
1315422730,50sleep30-21swapper/307:09:213
663822350,7sleep26633-21sort07:07:402
663822350,7sleep26633-21sort07:07:402
2801122090,6sleep128012-21rm07:09:351
2801122090,6sleep128012-21rm07:09:351
45182205172,22sleep00-21swapper/007:05:500
45182205172,22sleep00-21swapper/007:05:500
1914521520,5sleep01871399cyclictest08:50:030
1682021500,6sleep01871399cyclictest10:59:120
1682021500,6sleep01871399cyclictest10:59:120
926821440,8sleep01871399cyclictest09:35:160
231022780,2sleep20-21swapper/207:50:162
18714997132,7cyclictest25-21ksoftirqd/107:13:081
139672670,2sleep30-21swapper/307:30:203
77992620,6sleep07736-21sh07:10:560
260612620,3sleep126066-21sh09:05:001
273932610,2sleep30-21swapper/307:12:093
318422580,2sleep00-21swapper/009:15:140
18714995723,8cyclictest25-21ksoftirqd/109:15:001
18714995523,4cyclictest25-21ksoftirqd/110:00:271
18714995523,4cyclictest25-21ksoftirqd/107:20:221
18714995522,8cyclictest25-21ksoftirqd/110:40:011
18714995520,8cyclictest25-21ksoftirqd/110:55:241
18714995520,8cyclictest25-21ksoftirqd/110:55:241
18714995430,4cyclictest25-21ksoftirqd/109:50:171
18714995324,4cyclictest25-21ksoftirqd/108:40:141
18714995322,4cyclictest25-21ksoftirqd/112:25:151
18714995321,8cyclictest25-21ksoftirqd/112:30:161
18714995321,3cyclictest25-21ksoftirqd/107:30:011
18714995313,5cyclictest25-21ksoftirqd/109:15:161
139391530,1ptp4l401ktimersoftd/311:14:173
139391530,1ptp4l401ktimersoftd/310:35:213
18714995226,7cyclictest25-21ksoftirqd/110:25:001
18714995222,4cyclictest25-21ksoftirqd/110:30:001
18714995222,4cyclictest25-21ksoftirqd/110:30:001
18714995221,4cyclictest25-21ksoftirqd/110:30:231
18714995221,3cyclictest25-21ksoftirqd/110:50:001
18714995219,8cyclictest25-21ksoftirqd/107:40:141
18714995219,8cyclictest25-21ksoftirqd/107:40:141
18714995123,7cyclictest25-21ksoftirqd/110:10:271
18714995123,3cyclictest25-21ksoftirqd/110:45:001
18714995122,4cyclictest25-21ksoftirqd/112:36:011
18714995121,7cyclictest25-21ksoftirqd/111:10:121
18714995119,8cyclictest25-21ksoftirqd/107:45:251
18714995118,8cyclictest25-21ksoftirqd/108:10:151
228692500,5sleep222868-21expr07:10:052
18714995018,8cyclictest25-21ksoftirqd/109:20:221
18714995018,4cyclictest25-21ksoftirqd/111:20:151
53012490,2sleep20-21swapper/208:20:172
18714994919,4cyclictest25-21ksoftirqd/108:55:161
18714994919,4cyclictest25-21ksoftirqd/108:55:161
18714994919,3cyclictest25-21ksoftirqd/107:35:131
18714994918,4cyclictest25-21ksoftirqd/112:00:241
18714994918,3cyclictest25-21ksoftirqd/111:00:151
18714994916,4cyclictest25-21ksoftirqd/111:45:171
18714994916,10cyclictest25-21ksoftirqd/111:25:131
18714994915,8cyclictest25-21ksoftirqd/112:20:191
18714994915,7cyclictest25-21ksoftirqd/108:35:161
18714994912,4cyclictest25-21ksoftirqd/109:25:241
18714994912,4cyclictest25-21ksoftirqd/109:25:231
18714994819,4cyclictest25-21ksoftirqd/108:45:201
18714994818,8cyclictest25-21ksoftirqd/111:35:251
18714994817,7cyclictest25-21ksoftirqd/109:40:151
18714994815,11cyclictest25-21ksoftirqd/112:05:281
18714994719,8cyclictest25-21ksoftirqd/109:35:251
18714994717,4cyclictest25-21ksoftirqd/110:05:161
18714994717,4cyclictest25-21ksoftirqd/109:05:011
18714994715,9cyclictest25-21ksoftirqd/108:05:161
18714994715,4cyclictest25-21ksoftirqd/108:20:131
18714994715,11cyclictest25-21ksoftirqd/111:50:181
18714994713,4cyclictest25-21ksoftirqd/108:50:221
18714994713,11cyclictest25-21ksoftirqd/112:15:181
1871499466,8cyclictest25-21ksoftirqd/111:17:331
18714994618,8cyclictest25-21ksoftirqd/107:50:231
18714994611,10cyclictest25-21ksoftirqd/111:10:011
18718994540,3cyclictest9229-21ls08:30:012
18718994540,3cyclictest9229-21ls08:30:002
18714994539,3cyclictest25-21ksoftirqd/108:00:001
18714994532,3cyclictest25-21ksoftirqd/110:00:001
18714994532,3cyclictest25-21ksoftirqd/110:00:001
18714994515,4cyclictest25-21ksoftirqd/109:30:181
1871499447,4cyclictest25-21ksoftirqd/107:30:171
18714994439,3cyclictest25-21ksoftirqd/111:45:001
18714994414,7cyclictest25-21ksoftirqd/109:50:001
18714994414,5cyclictest25-21ksoftirqd/112:10:131
18714994414,4cyclictest25-21ksoftirqd/110:50:211
139391440,0ptp4l401ktimersoftd/310:53:113
18714994338,3cyclictest25-21ksoftirqd/110:20:001
18714994337,3cyclictest25-21ksoftirqd/111:34:591
1871499433,3cyclictest25-21ksoftirqd/107:15:151
1871499432,2cyclictest25-21ksoftirqd/108:25:261
1871499432,2cyclictest25-21ksoftirqd/108:25:261
18714994311,6cyclictest25-21ksoftirqd/111:55:191
139391430,0ptp4l401ktimersoftd/310:26:553
139391430,0ptp4l401ktimersoftd/310:26:553
18714994211,3cyclictest25-21ksoftirqd/108:30:121
139391420,0ptp4l401ktimersoftd/308:33:023
18714994136,3cyclictest25-21ksoftirqd/108:20:001
18714994135,3cyclictest25-21ksoftirqd/108:05:011
139391410,0ptp4l401ktimersoftd/312:34:523
18718994035,3cyclictest33-21ksoftirqd/209:40:002
18718993934,3cyclictest33-21ksoftirqd/210:20:002
18718993831,5cyclictest33-21ksoftirqd/212:39:592
18718993824,12cyclictest33-21ksoftirqd/211:49:592
139391380,0ptp4l401ktimersoftd/312:05:213
139391380,0ptp4l401ktimersoftd/311:56:093
18720993733,3cyclictest41-21ksoftirqd/311:40:013
18720993732,3cyclictest41-21ksoftirqd/310:00:003
18720993732,3cyclictest41-21ksoftirqd/310:00:003
18720993732,3cyclictest1300-21snmpd08:07:423
18718993730,5cyclictest33-21ksoftirqd/208:10:002
18713993733,2cyclictest9-21ksoftirqd/010:10:010
18713993732,2cyclictest9-21ksoftirqd/010:35:010
18720993630,4cyclictest41-21ksoftirqd/307:52:373
18720993630,3cyclictest41-21ksoftirqd/310:35:013
18718993630,4cyclictest33-21ksoftirqd/208:54:262
1871899360,3cyclictest25666-21date12:25:002
18713993631,3cyclictest9-21ksoftirqd/011:45:000
18713993631,3cyclictest9-21ksoftirqd/010:10:180
18713993631,3cyclictest9-21ksoftirqd/008:35:130
18713993631,3cyclictest9-21ksoftirqd/008:25:010
18713993631,3cyclictest9-21ksoftirqd/008:05:190
139391360,1ptp4l391rcuc/307:45:123
18720993531,3cyclictest41-21ksoftirqd/308:15:173
18720993529,4cyclictest41-21ksoftirqd/312:22:443
18720993529,3cyclictest41-21ksoftirqd/308:15:003
18718993530,3cyclictest33-21ksoftirqd/207:33:592
18718993530,3cyclictest33-21ksoftirqd/207:20:192
18718993529,4cyclictest33-21ksoftirqd/210:26:012
18718993529,4cyclictest33-21ksoftirqd/210:26:012
18718993529,4cyclictest33-21ksoftirqd/209:55:122
18718993529,4cyclictest33-21ksoftirqd/209:55:122
18718993529,4cyclictest33-21ksoftirqd/209:27:322
18718993529,4cyclictest33-21ksoftirqd/209:27:322
18718993529,4cyclictest33-21ksoftirqd/209:19:172
18718993529,4cyclictest33-21ksoftirqd/207:46:112
18713993531,2cyclictest9-21ksoftirqd/008:14:590
18713993530,3cyclictest9-21ksoftirqd/008:20:000
18713993529,3cyclictest9-21ksoftirqd/012:15:140
18720993429,3cyclictest41-21ksoftirqd/309:18:483
18720993428,4cyclictest41-21ksoftirqd/310:04:163
18718993429,3cyclictest33-21ksoftirqd/210:45:182
18718993429,3cyclictest33-21ksoftirqd/208:56:002
18718993429,3cyclictest33-21ksoftirqd/208:55:592
18718993429,3cyclictest33-21ksoftirqd/208:49:112
18718993429,3cyclictest33-21ksoftirqd/207:35:182
18718993428,4cyclictest33-21ksoftirqd/211:26:542
18718993428,4cyclictest33-21ksoftirqd/211:01:192
18718993428,4cyclictest33-21ksoftirqd/210:30:502
18718993428,4cyclictest33-21ksoftirqd/210:01:342
18718993428,4cyclictest33-21ksoftirqd/209:00:522
1871899342,13cyclictest1300-21snmpd08:35:182
1871399346,3cyclictest9-21ksoftirqd/011:05:130
18713993430,2cyclictest9-21ksoftirqd/011:40:010
18713993429,3cyclictest9-21ksoftirqd/009:25:000
18713993429,3cyclictest9-21ksoftirqd/008:45:120
18713993428,4cyclictest9-21ksoftirqd/012:32:110
18713993428,4cyclictest9-21ksoftirqd/007:34:450
18713993428,3cyclictest9-21ksoftirqd/011:20:000
18713993421,3cyclictest9-21ksoftirqd/011:25:110
146922340,3sleep014697-21fschecks_time08:40:160
139391340,1ptp4l391rcuc/310:10:173
18720993328,3cyclictest41-21ksoftirqd/311:05:213
18720993328,3cyclictest41-21ksoftirqd/310:55:423
18720993328,3cyclictest41-21ksoftirqd/310:55:423
18720993328,3cyclictest41-21ksoftirqd/307:25:203
18720993328,3cyclictest18137-21dump-pmu-power09:55:003
18720993327,4cyclictest41-21ksoftirqd/312:28:573
18720993327,4cyclictest41-21ksoftirqd/312:15:083
18720993327,4cyclictest41-21ksoftirqd/311:51:353
18720993327,4cyclictest41-21ksoftirqd/309:36:353
18720993327,4cyclictest41-21ksoftirqd/309:27:213
18720993327,4cyclictest41-21ksoftirqd/309:27:213
18720993327,4cyclictest41-21ksoftirqd/308:56:243
18720993327,4cyclictest41-21ksoftirqd/308:56:243
18718993329,2cyclictest33-21ksoftirqd/212:30:012
18718993328,3cyclictest33-21ksoftirqd/211:40:132
18718993328,3cyclictest33-21ksoftirqd/209:50:172
18718993328,3cyclictest33-21ksoftirqd/207:15:102
18718993327,4cyclictest33-21ksoftirqd/212:32:162
18718993327,4cyclictest33-21ksoftirqd/212:19:382
18718993327,4cyclictest33-21ksoftirqd/212:08:102
18718993327,4cyclictest33-21ksoftirqd/210:58:142
18718993327,4cyclictest33-21ksoftirqd/210:58:142
18718993327,4cyclictest33-21ksoftirqd/210:35:262
18718993327,4cyclictest33-21ksoftirqd/208:03:352
18718993327,4cyclictest33-21ksoftirqd/207:43:142
18718993327,4cyclictest33-21ksoftirqd/207:43:132
1871399334,3cyclictest9-21ksoftirqd/007:35:120
1871399333,3cyclictest9-21ksoftirqd/012:10:010
1871399333,2cyclictest121rcu_preempt11:45:270
18713993329,2cyclictest9-21ksoftirqd/010:45:000
18713993329,2cyclictest9-21ksoftirqd/008:00:000
18713993328,3cyclictest9-21ksoftirqd/011:20:120
18713993328,2cyclictest9-21ksoftirqd/012:25:000
18713993327,4cyclictest9-21ksoftirqd/011:10:280
18713993327,4cyclictest9-21ksoftirqd/009:54:130
18713993327,4cyclictest9-21ksoftirqd/007:43:310
18713993327,4cyclictest9-21ksoftirqd/007:43:310
18713993327,3cyclictest9-21ksoftirqd/007:50:010
18713993319,3cyclictest9-21ksoftirqd/010:20:170
139391330,1ptp4l391rcuc/310:15:233
18720993227,3cyclictest41-21ksoftirqd/307:36:243
18720993227,3cyclictest41-21ksoftirqd/307:15:543
18720993226,4cyclictest41-21ksoftirqd/312:35:553
18720993226,4cyclictest41-21ksoftirqd/311:25:033
18720993226,3cyclictest1300-21snmpd10:08:083
18718993226,4cyclictest33-21ksoftirqd/211:50:042
18718993226,4cyclictest33-21ksoftirqd/211:22:532
18718993226,4cyclictest33-21ksoftirqd/210:12:012
18718993226,4cyclictest33-21ksoftirqd/209:30:532
18718993226,4cyclictest33-21ksoftirqd/209:12:472
18718993226,4cyclictest33-21ksoftirqd/208:32:282
18718993221,9cyclictest33-21ksoftirqd/210:05:142
18718993212,14cyclictest33-21ksoftirqd/208:10:242
1871399324,2cyclictest9-21ksoftirqd/011:00:230
1871399323,2cyclictest121rcu_preempt10:25:230
1871399323,2cyclictest121rcu_preempt10:25:230
18713993228,2cyclictest9-21ksoftirqd/009:10:190
18713993227,3cyclictest9-21ksoftirqd/011:35:010
18713993226,4cyclictest9-21ksoftirqd/010:39:510
18713993226,4cyclictest9-21ksoftirqd/009:30:020
18713993226,4cyclictest9-21ksoftirqd/008:29:260
18713993226,4cyclictest9-21ksoftirqd/008:29:250
18713993226,3cyclictest9-21ksoftirqd/010:45:160
18713993218,4cyclictest9-21ksoftirqd/009:10:010
1871399321,2cyclictest121rcu_preempt10:00:120
139391320,0ptp4l401ktimersoftd/309:48:043
18720993127,3cyclictest41-21ksoftirqd/309:25:013
18720993126,3cyclictest41-21ksoftirqd/312:00:183
18720993126,3cyclictest41-21ksoftirqd/311:47:133
18720993126,3cyclictest41-21ksoftirqd/310:42:033
18720993126,3cyclictest41-21ksoftirqd/309:14:593
18720993126,3cyclictest41-21ksoftirqd/309:05:003
18720993126,3cyclictest41-21ksoftirqd/308:35:193
18720993125,4cyclictest41-21ksoftirqd/309:41:573
18718993128,2cyclictest33-21ksoftirqd/209:25:002
18718993126,3cyclictest33-21ksoftirqd/209:10:012
18718993125,4cyclictest33-21ksoftirqd/212:02:372
18718993125,4cyclictest33-21ksoftirqd/211:55:352
18718993125,4cyclictest33-21ksoftirqd/211:30:112
18718993125,4cyclictest33-21ksoftirqd/211:18:442
18718993125,4cyclictest33-21ksoftirqd/211:11:502
18718993125,4cyclictest33-21ksoftirqd/208:42:552
18718993120,9cyclictest33-21ksoftirqd/207:25:252
18713993127,2cyclictest9-21ksoftirqd/012:30:010
18713993126,3cyclictest9-21ksoftirqd/011:50:480
18713993126,3cyclictest9-21ksoftirqd/008:00:170
18713993125,4cyclictest9-21ksoftirqd/009:57:300
18713993125,4cyclictest9-21ksoftirqd/009:57:300
18713993125,3cyclictest9-21ksoftirqd/012:40:000
1871399312,3cyclictest9-21ksoftirqd/009:30:000
1871399312,3cyclictest9-21ksoftirqd/009:30:000
1871399311,3cyclictest9-21ksoftirqd/009:00:250
1871399311,2cyclictest121rcu_preempt08:55:260
1871399311,2cyclictest121rcu_preempt08:55:260
139391310,1ptp4l0-21swapper/308:45:573
18720993025,3cyclictest41-21ksoftirqd/311:45:003
18720993025,3cyclictest41-21ksoftirqd/311:20:003
18720993025,3cyclictest41-21ksoftirqd/310:20:173
18720993024,3cyclictest41-21ksoftirqd/311:15:173
18720993024,3cyclictest41-21ksoftirqd/307:45:003
18720993024,3cyclictest41-21ksoftirqd/307:45:003
18718993025,3cyclictest33-21ksoftirqd/211:37:262
18718993025,3cyclictest33-21ksoftirqd/211:08:272
18718993024,4cyclictest33-21ksoftirqd/210:23:202
18718993024,4cyclictest33-21ksoftirqd/208:16:592
18718993024,3cyclictest14034-21cut09:45:142
18713993026,2cyclictest9-21ksoftirqd/012:15:000
18713993025,3cyclictest9-21ksoftirqd/010:50:190
18713993025,3cyclictest9-21ksoftirqd/007:27:190
18713993024,4cyclictest9-21ksoftirqd/009:42:100
18713993024,4cyclictest9-21ksoftirqd/007:52:110
1871399302,3cyclictest9-21ksoftirqd/007:15:000
1871399301,2cyclictest121rcu_preempt10:15:240
139391300,0ptp4l401ktimersoftd/308:22:223
139391300,0ptp4l401ktimersoftd/307:23:143
18720992925,3cyclictest41-21ksoftirqd/311:00:293
18720992925,2cyclictest41-21ksoftirqd/310:50:003
18720992924,3cyclictest41-21ksoftirqd/311:32:233
18720992910,3cyclictest41-21ksoftirqd/309:05:193
18718992924,3cyclictest33-21ksoftirqd/207:55:432
18718992912,5cyclictest33-21ksoftirqd/210:45:002
18713992925,2cyclictest9-21ksoftirqd/008:30:100
18713992922,5cyclictest9-21ksoftirqd/007:25:000
139391290,0ptp4l401ktimersoftd/312:14:413
18720992823,3cyclictest41-21ksoftirqd/309:30:123
18720992823,3cyclictest41-21ksoftirqd/308:00:243
18720992822,4cyclictest41-21ksoftirqd/308:27:153
18720992822,4cyclictest41-21ksoftirqd/308:27:153
18718992825,2cyclictest33-21ksoftirqd/212:10:132
18713992822,4cyclictest9-21ksoftirqd/012:04:550
18720992721,4cyclictest41-21ksoftirqd/307:55:023
1871399273,3cyclictest9-21ksoftirqd/011:55:270
18713992723,2cyclictest9-21ksoftirqd/009:45:190
18718992621,3cyclictest33-21ksoftirqd/210:51:122
18718992621,3cyclictest33-21ksoftirqd/209:41:472
18720992520,3cyclictest41-21ksoftirqd/308:50:213
18720992520,3cyclictest41-21ksoftirqd/308:40:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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