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2026-05-19 - 00:36
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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 May 18, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491205172,22phc2sys0-21swapper/307:06:413
279912201168,22sleep10-21swapper/107:07:201
279902201168,22sleep00-21swapper/007:07:190
279972200168,21sleep20-21swapper/207:07:252
2127521450,4sleep32850199cyclictest12:30:183
129682550,1sleep10-21swapper/108:50:211
28499995319,4cyclictest25-21ksoftirqd/107:40:211
28412530,2sleep00-21swapper/007:20:260
28499995219,8cyclictest25-21ksoftirqd/108:30:161
28499995219,7cyclictest25-21ksoftirqd/108:40:251
28499995219,4cyclictest25-21ksoftirqd/109:15:141
28499995218,4cyclictest25-21ksoftirqd/107:20:251
28499995218,3cyclictest25-21ksoftirqd/107:45:261
28499995213,7cyclictest25-21ksoftirqd/110:55:191
28499995213,7cyclictest25-21ksoftirqd/110:55:191
102972520,3sleep30-21swapper/311:00:173
28499995119,3cyclictest25-21ksoftirqd/109:00:261
28499995117,8cyclictest25-21ksoftirqd/107:30:191
28499995117,4cyclictest25-21ksoftirqd/108:25:001
28499995117,4cyclictest25-21ksoftirqd/108:24:591
28499995114,6cyclictest25-21ksoftirqd/111:30:281
28499995111,7cyclictest25-21ksoftirqd/111:40:171
28499995111,10cyclictest25-21ksoftirqd/112:30:241
2849999508,2cyclictest25-21ksoftirqd/109:45:251
28499995021,3cyclictest25-21ksoftirqd/110:00:131
28499995018,4cyclictest25-21ksoftirqd/109:50:131
28499995017,8cyclictest25-21ksoftirqd/112:15:161
28499995017,3cyclictest25-21ksoftirqd/111:05:231
28499995016,4cyclictest25-21ksoftirqd/112:00:171
28499995016,3cyclictest25-21ksoftirqd/107:35:171
28499995015,8cyclictest25-21ksoftirqd/112:35:141
28499995014,8cyclictest25-21ksoftirqd/110:25:261
28499995014,8cyclictest25-21ksoftirqd/108:55:271
28499995014,8cyclictest25-21ksoftirqd/107:50:201
28499995012,9cyclictest25-21ksoftirqd/108:35:231
28499994932,4cyclictest25-21ksoftirqd/111:45:241
28499994921,7cyclictest25-21ksoftirqd/110:00:001
28499994921,3cyclictest25-21ksoftirqd/109:10:141
28499994917,7cyclictest25-21ksoftirqd/112:05:291
28499994917,6cyclictest25-21ksoftirqd/111:15:191
28499994917,3cyclictest25-21ksoftirqd/110:20:141
28499994916,7cyclictest25-21ksoftirqd/107:10:271
28499994916,4cyclictest25-21ksoftirqd/108:00:161
28499994916,3cyclictest25-21ksoftirqd/112:10:241
28499994915,8cyclictest25-21ksoftirqd/110:15:141
28499994915,8cyclictest25-21ksoftirqd/109:35:201
28499994910,7cyclictest25-21ksoftirqd/108:05:151
28499994838,3cyclictest25-21ksoftirqd/112:25:201
28499994818,7cyclictest25-21ksoftirqd/108:25:231
28499994816,7cyclictest25-21ksoftirqd/110:45:171
28499994815,7cyclictest25-21ksoftirqd/109:45:011
28499994814,8cyclictest25-21ksoftirqd/111:25:201
28499994814,8cyclictest25-21ksoftirqd/110:35:121
28499994718,11cyclictest25-21ksoftirqd/111:00:151
28499994714,8cyclictest25-21ksoftirqd/110:10:201
28499994714,7cyclictest25-21ksoftirqd/109:25:251
28499994714,3cyclictest25-21ksoftirqd/111:10:191
28499994713,8cyclictest25-21ksoftirqd/110:50:231
28499994617,6cyclictest25-21ksoftirqd/111:35:261
28499994617,4cyclictest25-21ksoftirqd/108:13:101
28499994613,4cyclictest25-21ksoftirqd/107:55:131
28499994612,9cyclictest25-21ksoftirqd/107:25:111
28499994612,8cyclictest25-21ksoftirqd/108:45:221
139391460,1ptp4l391rcuc/309:00:323
28500994540,3cyclictest33-21ksoftirqd/211:55:002
28500994540,3cyclictest33-21ksoftirqd/211:55:002
28500994527,9cyclictest33-21ksoftirqd/207:25:132
28499994512,9cyclictest25-21ksoftirqd/108:20:001
2849999444,2cyclictest25-21ksoftirqd/107:15:141
2849999441,3cyclictest25-21ksoftirqd/109:30:151
2849999440,2cyclictest25-21ksoftirqd/112:20:261
2849999434,8cyclictest5717-21cron12:00:011
139391430,0ptp4l401ktimersoftd/310:28:533
2849999421,3cyclictest121rcu_preempt10:39:591
139391420,2ptp4l0-21swapper/307:38:593
139391420,0ptp4l401ktimersoftd/312:11:183
139391420,0ptp4l401ktimersoftd/311:35:303
28501994123,3cyclictest41-21ksoftirqd/307:25:133
28500994127,4cyclictest33-21ksoftirqd/210:00:152
28500994125,4cyclictest33-21ksoftirqd/212:20:012
2849999415,2cyclictest25-21ksoftirqd/111:50:221
2849999415,2cyclictest25-21ksoftirqd/111:50:221
2849999413,3cyclictest121rcu_preempt10:05:271
28499994114,9cyclictest25-21ksoftirqd/110:30:131
28498994136,2cyclictest9-21ksoftirqd/009:40:000
139391410,1ptp4l401ktimersoftd/307:45:363
139391410,0ptp4l401ktimersoftd/309:28:473
28500994035,3cyclictest33-21ksoftirqd/211:10:012
2849999401,8cyclictest25-21ksoftirqd/109:20:171
2849899404,3cyclictest121rcu_preempt09:35:010
28498994033,4cyclictest9-21ksoftirqd/009:19:590
139391400,0ptp4l401ktimersoftd/312:23:183
28500993927,9cyclictest33-21ksoftirqd/209:15:192
28499993934,3cyclictest25-21ksoftirqd/111:20:131
139391390,1ptp4l401ktimersoftd/311:07:433
28501993832,4cyclictest41-21ksoftirqd/309:08:573
28500993832,3cyclictest33-21ksoftirqd/212:35:202
28500993817,12cyclictest33-21ksoftirqd/212:10:012
2849999381,2cyclictest25-21ksoftirqd/109:05:091
28500993732,3cyclictest33-21ksoftirqd/207:10:192
28500993731,3cyclictest33-21ksoftirqd/210:54:592
2849899375,2cyclictest9-21ksoftirqd/010:10:190
28498993733,3cyclictest9-21ksoftirqd/007:40:240
28498993732,3cyclictest9-21ksoftirqd/011:05:000
139391370,0ptp4l401ktimersoftd/309:50:263
28501993629,5cyclictest41-21ksoftirqd/307:43:123
28500993626,9cyclictest33-21ksoftirqd/210:55:192
28500993626,9cyclictest33-21ksoftirqd/210:55:192
28500993626,9cyclictest33-21ksoftirqd/208:40:192
28498993632,3cyclictest9-21ksoftirqd/008:50:010
28498993631,3cyclictest9-21ksoftirqd/010:59:590
28498993631,3cyclictest9-21ksoftirqd/010:59:590
2849899362,4cyclictest13814-21sed11:05:280
2849899361,4cyclictest0-21swapper/010:50:240
28501993529,4cyclictest41-21ksoftirqd/308:37:523
28500993530,3cyclictest33-21ksoftirqd/208:10:002
28500993529,4cyclictest33-21ksoftirqd/210:49:452
28500993529,4cyclictest33-21ksoftirqd/210:31:322
28500993529,4cyclictest33-21ksoftirqd/210:14:312
28500993529,4cyclictest33-21ksoftirqd/208:28:402
28500993523,10cyclictest33-21ksoftirqd/209:50:262
28500993521,12cyclictest33-21ksoftirqd/212:24:592
2849899355,4cyclictest9-21ksoftirqd/009:10:250
2849899355,3cyclictest9-21ksoftirqd/009:55:220
2849899355,3cyclictest9-21ksoftirqd/007:45:130
28498993531,2cyclictest9-21ksoftirqd/010:35:000
28498993529,4cyclictest9-21ksoftirqd/012:21:490
28498993529,4cyclictest9-21ksoftirqd/008:22:200
28498993529,4cyclictest9-21ksoftirqd/008:22:200
28498993529,3cyclictest9-21ksoftirqd/011:40:160
2849899351,3cyclictest3646-21tr07:25:130
2849899351,2cyclictest121rcu_preempt09:25:000
139391350,0ptp4l401ktimersoftd/311:45:143
28501993429,3cyclictest41-21ksoftirqd/311:55:413
28501993429,3cyclictest41-21ksoftirqd/310:17:213
28501993429,3cyclictest41-21ksoftirqd/307:15:113
28501993428,4cyclictest41-21ksoftirqd/308:46:543
28501993428,4cyclictest41-21ksoftirqd/308:41:253
28500993430,3cyclictest33-21ksoftirqd/208:50:012
28500993430,2cyclictest33-21ksoftirqd/209:42:582
28500993428,4cyclictest33-21ksoftirqd/212:34:502
28500993428,4cyclictest33-21ksoftirqd/210:38:342
28500993428,4cyclictest33-21ksoftirqd/209:22:322
28500993428,4cyclictest33-21ksoftirqd/209:02:262
28500993421,10cyclictest33-21ksoftirqd/207:40:242
2849899345,3cyclictest9-21ksoftirqd/008:00:270
2849899344,3cyclictest9-21ksoftirqd/011:20:170
28498993430,3cyclictest9-21ksoftirqd/009:45:210
28498993430,2cyclictest9-21ksoftirqd/008:50:110
28498993429,3cyclictest9-21ksoftirqd/008:25:130
28498993429,3cyclictest9-21ksoftirqd/007:50:130
28498993428,4cyclictest9-21ksoftirqd/011:29:090
28498993428,4cyclictest9-21ksoftirqd/008:35:320
28498993428,4cyclictest9-21ksoftirqd/008:32:390
2849899342,3cyclictest121rcu_preempt09:55:000
2849899342,2cyclictest121rcu_preempt10:05:150
28498993420,4cyclictest9-21ksoftirqd/009:01:280
139391340,16ptp4l1300-21snmpd08:58:443
28501993328,3cyclictest41-21ksoftirqd/312:09:043
28501993328,3cyclictest41-21ksoftirqd/311:25:293
28501993327,4cyclictest41-21ksoftirqd/310:49:063
28501993327,4cyclictest41-21ksoftirqd/310:23:263
28501993327,4cyclictest41-21ksoftirqd/310:04:363
28501993327,4cyclictest41-21ksoftirqd/309:20:563
28501993327,4cyclictest41-21ksoftirqd/308:23:483
28501993327,4cyclictest41-21ksoftirqd/308:23:483
28501993327,4cyclictest41-21ksoftirqd/308:07:233
28501993327,4cyclictest41-21ksoftirqd/307:31:453
28501993326,4cyclictest41-21ksoftirqd/309:17:353
28501993326,4cyclictest41-21ksoftirqd/307:20:373
28500993330,2cyclictest33-21ksoftirqd/209:32:562
28500993329,2cyclictest33-21ksoftirqd/211:44:592
28500993329,2cyclictest33-21ksoftirqd/209:58:012
28500993328,3cyclictest33-21ksoftirqd/212:28:282
28500993328,3cyclictest33-21ksoftirqd/210:40:132
28500993328,3cyclictest33-21ksoftirqd/210:30:012
28500993327,4cyclictest33-21ksoftirqd/211:38:382
28500993327,4cyclictest33-21ksoftirqd/209:27:052
28500993327,4cyclictest33-21ksoftirqd/208:02:162
28500993326,5cyclictest33-21ksoftirqd/212:03:342
28500993326,5cyclictest33-21ksoftirqd/211:45:362
28500993321,9cyclictest33-21ksoftirqd/208:30:272
28500993315,8cyclictest33-21ksoftirqd/207:50:242
2849899333,2cyclictest9-21ksoftirqd/010:20:000
28498993329,2cyclictest9-21ksoftirqd/011:20:010
28498993329,2cyclictest9-21ksoftirqd/010:50:000
28498993328,3cyclictest9-21ksoftirqd/011:34:590
28498993328,3cyclictest9-21ksoftirqd/008:45:000
28498993327,4cyclictest9-21ksoftirqd/011:45:500
28498993327,3cyclictest9-21ksoftirqd/012:10:010
2849899332,2cyclictest121rcu_preempt11:10:130
28498993319,6cyclictest9-21ksoftirqd/012:15:160
28501993227,3cyclictest41-21ksoftirqd/310:52:153
28501993227,3cyclictest41-21ksoftirqd/308:01:263
28501993226,4cyclictest41-21ksoftirqd/312:28:593
28501993226,4cyclictest41-21ksoftirqd/311:23:563
28501993225,4cyclictest41-21ksoftirqd/309:47:123
28500993228,2cyclictest33-21ksoftirqd/210:23:042
28500993227,3cyclictest33-21ksoftirqd/211:15:182
28500993227,3cyclictest33-21ksoftirqd/211:01:132
28500993227,3cyclictest33-21ksoftirqd/208:11:192
28500993226,4cyclictest33-21ksoftirqd/211:32:282
28500993226,4cyclictest33-21ksoftirqd/211:20:532
28500993226,4cyclictest33-21ksoftirqd/207:46:122
28500993222,8cyclictest33-21ksoftirqd/209:10:192
28500993220,10cyclictest33-21ksoftirqd/208:35:252
28500993215,5cyclictest33-21ksoftirqd/207:15:162
2849899324,3cyclictest9-21ksoftirqd/010:25:000
2849899323,2cyclictest121rcu_preempt12:30:210
28498993228,2cyclictest9-21ksoftirqd/008:20:000
28498993227,3cyclictest9-21ksoftirqd/010:40:000
28498993227,3cyclictest9-21ksoftirqd/009:40:190
28498993227,3cyclictest9-21ksoftirqd/009:25:180
28498993227,3cyclictest9-21ksoftirqd/007:10:270
28498993226,4cyclictest9-21ksoftirqd/012:28:390
28498993226,4cyclictest9-21ksoftirqd/009:09:180
28498993226,4cyclictest9-21ksoftirqd/008:55:460
28498993226,4cyclictest9-21ksoftirqd/007:19:060
28498993226,3cyclictest9-21ksoftirqd/010:30:010
28498993225,4cyclictest9-21ksoftirqd/007:59:590
2849899322,2cyclictest121rcu_preempt12:00:210
28498993217,7cyclictest9-21ksoftirqd/008:10:170
28501993126,3cyclictest41-21ksoftirqd/311:32:123
28501993126,3cyclictest41-21ksoftirqd/311:13:573
28501993126,3cyclictest41-21ksoftirqd/310:37:423
28501993126,3cyclictest41-21ksoftirqd/310:14:003
28501993126,3cyclictest41-21ksoftirqd/307:11:233
28501993125,4cyclictest41-21ksoftirqd/310:59:373
28501993125,4cyclictest41-21ksoftirqd/310:59:373
28501993125,4cyclictest41-21ksoftirqd/310:44:083
28501993125,4cyclictest41-21ksoftirqd/308:17:063
28501993125,4cyclictest41-21ksoftirqd/308:13:053
28500993128,2cyclictest33-21ksoftirqd/211:25:172
28500993128,2cyclictest33-21ksoftirqd/207:35:192
28500993127,3cyclictest33-21ksoftirqd/208:15:182
28500993126,3cyclictest33-21ksoftirqd/209:00:002
28500993126,2cyclictest33-21ksoftirqd/208:50:162
28500993125,4cyclictest33-21ksoftirqd/207:30:312
28498993127,3cyclictest9-21ksoftirqd/008:05:130
28498993127,2cyclictest9-21ksoftirqd/010:00:140
2849899312,4cyclictest9-21ksoftirqd/007:30:170
2849899312,3cyclictest9-21ksoftirqd/012:35:160
2849899312,3cyclictest9-21ksoftirqd/011:55:190
2849899312,2cyclictest121rcu_preempt11:50:270
2849899312,2cyclictest121rcu_preempt11:50:270
139391310,0ptp4l401ktimersoftd/311:54:003
139391310,0ptp4l401ktimersoftd/311:54:003
139391310,0ptp4l401ktimersoftd/311:40:063
28501993025,3cyclictest41-21ksoftirqd/312:39:503
28501993025,3cyclictest41-21ksoftirqd/311:15:453
28501993025,3cyclictest41-21ksoftirqd/309:10:093
28501993025,3cyclictest41-21ksoftirqd/307:53:123
28501993024,4cyclictest41-21ksoftirqd/308:33:343
28500993025,3cyclictest33-21ksoftirqd/211:10:182
28500993024,4cyclictest33-21ksoftirqd/212:10:122
28500993024,4cyclictest33-21ksoftirqd/209:49:352
28500993024,4cyclictest33-21ksoftirqd/209:38:282
2849899302,5cyclictest121rcu_preempt11:39:590
2849899300,3cyclictest9-21ksoftirqd/010:45:000
2849899300,3cyclictest121rcu_preempt07:35:150
28501992924,3cyclictest41-21ksoftirqd/312:18:083
28501992923,4cyclictest41-21ksoftirqd/309:57:543
28501992923,4cyclictest41-21ksoftirqd/308:52:163
28500992925,2cyclictest33-21ksoftirqd/208:20:132
28500992925,2cyclictest33-21ksoftirqd/208:20:132
28500992924,3cyclictest33-21ksoftirqd/210:05:272
28500992923,3cyclictest19633-21uname09:05:202
28500992916,10cyclictest33-21ksoftirqd/211:55:132
28498992924,3cyclictest9-21ksoftirqd/012:10:250
139391290,0ptp4l401ktimersoftd/310:30:163
28501992822,4cyclictest41-21ksoftirqd/310:08:463
28500992823,3cyclictest33-21ksoftirqd/207:21:362
28501992722,3cyclictest41-21ksoftirqd/308:28:543
28500992722,3cyclictest33-21ksoftirqd/210:15:202
28501992622,2cyclictest41-21ksoftirqd/312:03:233
28500992622,3cyclictest33-21ksoftirqd/207:55:252
139391260,1ptp4l401ktimersoftd/309:40:263
28501992520,3cyclictest41-21ksoftirqd/309:35:313
1394912520,2phc2sys41-21ksoftirqd/309:30:223
139391250,0ptp4l401ktimersoftd/307:57:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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