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2026-05-14 - 15:42
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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 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244872208173,23sleep30-21swapper/307:09:103
244852205171,23sleep10-21swapper/107:09:081
244842204171,22sleep00-21swapper/007:09:060
241982201169,21sleep20-21swapper/207:06:062
138412750,2sleep00-21swapper/009:00:140
247722680,5sleep233-21ksoftirqd/211:35:212
261442570,2sleep10-21swapper/110:30:251
1394915738,11phc2sys0-21swapper/307:10:013
25009995628,10cyclictest41-21ksoftirqd/312:05:013
25009995623,8cyclictest41-21ksoftirqd/310:55:263
25009995526,9cyclictest41-21ksoftirqd/312:20:003
217402550,1sleep00-21swapper/008:10:120
25009995426,8cyclictest41-21ksoftirqd/312:10:263
65712530,2sleep06565-21latency_hist11:00:000
25009995225,10cyclictest41-21ksoftirqd/310:35:273
323862510,2sleep20-21swapper/211:50:252
2500999513,6cyclictest41-21ksoftirqd/307:30:213
25009995126,8cyclictest41-21ksoftirqd/311:20:163
25009995124,8cyclictest41-21ksoftirqd/308:05:203
2500999510,6cyclictest401ktimersoftd/310:15:163
2500999505,8cyclictest41-21ksoftirqd/308:00:013
2500999505,10cyclictest41-21ksoftirqd/307:25:163
2500999504,6cyclictest41-21ksoftirqd/310:10:003
25009995022,9cyclictest41-21ksoftirqd/308:20:143
25009995021,10cyclictest41-21ksoftirqd/310:00:243
25009995020,4cyclictest41-21ksoftirqd/309:57:043
25009995018,6cyclictest41-21ksoftirqd/307:40:133
2500999496,4cyclictest41-21ksoftirqd/309:30:253
2500999495,7cyclictest41-21ksoftirqd/307:20:223
25009994925,10cyclictest41-21ksoftirqd/309:40:293
25009994924,8cyclictest41-21ksoftirqd/311:55:223
25009994917,9cyclictest41-21ksoftirqd/309:20:233
2500999486,7cyclictest41-21ksoftirqd/312:30:233
2500999486,7cyclictest41-21ksoftirqd/311:45:203
2500999485,7cyclictest41-21ksoftirqd/311:45:023
2500999481,6cyclictest401ktimersoftd/308:10:203
2500999476,8cyclictest26798-21latency_hist10:35:003
2500999476,7cyclictest41-21ksoftirqd/308:55:213
2500999476,6cyclictest41-21ksoftirqd/312:20:223
2500999475,8cyclictest41-21ksoftirqd/311:05:013
2500999475,7cyclictest41-21ksoftirqd/311:15:283
2500999475,6cyclictest41-21ksoftirqd/311:30:123
2500999474,9cyclictest41-21ksoftirqd/307:35:123
2500999473,6cyclictest41-21ksoftirqd/311:50:123
2500999473,6cyclictest41-21ksoftirqd/309:45:173
2500999473,6cyclictest41-21ksoftirqd/309:45:173
2500999473,5cyclictest41-21ksoftirqd/310:51:403
2500999472,8cyclictest41-21ksoftirqd/308:50:223
2500999470,7cyclictest401ktimersoftd/307:50:193
2500999470,5cyclictest401ktimersoftd/311:35:203
2500999465,7cyclictest41-21ksoftirqd/312:00:143
2500999465,7cyclictest41-21ksoftirqd/310:50:003
2500999465,7cyclictest41-21ksoftirqd/310:50:003
2500999465,7cyclictest41-21ksoftirqd/310:40:243
2500999465,7cyclictest41-21ksoftirqd/309:00:143
2500999465,7cyclictest41-21ksoftirqd/308:25:263
2500999465,6cyclictest41-21ksoftirqd/309:10:193
2500999463,7cyclictest41-21ksoftirqd/311:05:193
25009994628,11cyclictest41-21ksoftirqd/309:25:193
2500999456,7cyclictest41-21ksoftirqd/311:10:243
2500999455,9cyclictest41-21ksoftirqd/309:05:143
2500999454,7cyclictest41-21ksoftirqd/308:15:173
2500999452,8cyclictest41-21ksoftirqd/308:45:143
2500999452,6cyclictest41-21ksoftirqd/308:33:493
2500999446,6cyclictest41-21ksoftirqd/308:40:183
2500999445,8cyclictest41-21ksoftirqd/308:00:203
2500999445,7cyclictest41-21ksoftirqd/310:20:153
2500999445,7cyclictest41-21ksoftirqd/309:15:253
2500999445,6cyclictest41-21ksoftirqd/311:25:123
2500999444,7cyclictest41-21ksoftirqd/307:15:163
2500999444,6cyclictest41-21ksoftirqd/308:35:173
2500999442,6cyclictest41-21ksoftirqd/312:27:323
2500999435,7cyclictest41-21ksoftirqd/310:25:193
2500999435,7cyclictest41-21ksoftirqd/309:50:203
2500999435,6cyclictest41-21ksoftirqd/312:35:223
2500999434,6cyclictest41-21ksoftirqd/310:10:133
2500999433,6cyclictest41-21ksoftirqd/309:35:123
139391420,0ptp4l401ktimersoftd/307:49:023
57898410,7rtkit-daemon0-21swapper/009:39:430
25008994035,3cyclictest33-21ksoftirqd/211:00:002
25007994035,3cyclictest25-21ksoftirqd/109:45:001
25007994035,3cyclictest25-21ksoftirqd/107:39:591
25008993928,9cyclictest33-21ksoftirqd/207:35:232
2500899390,37cyclictest6164-21cron08:45:002
25008993834,3cyclictest33-21ksoftirqd/211:30:002
25008993834,2cyclictest33-21ksoftirqd/211:20:002
25008993833,3cyclictest33-21ksoftirqd/210:30:002
25008993833,3cyclictest33-21ksoftirqd/210:15:012
25008993832,3cyclictest33-21ksoftirqd/211:15:002
25008993832,3cyclictest33-21ksoftirqd/208:00:002
25008993828,9cyclictest33-21ksoftirqd/208:50:272
25007993834,2cyclictest25-21ksoftirqd/108:59:591
25007993833,3cyclictest25-21ksoftirqd/111:40:141
25007993833,2cyclictest25-21ksoftirqd/108:35:011
25008993732,3cyclictest33-21ksoftirqd/211:10:002
25008993732,3cyclictest33-21ksoftirqd/209:30:012
25008993732,3cyclictest33-21ksoftirqd/207:30:002
25008993731,4cyclictest33-21ksoftirqd/212:08:502
25008993731,3cyclictest33-21ksoftirqd/209:14:592
25008993731,3cyclictest33-21ksoftirqd/208:45:182
25008993726,9cyclictest33-21ksoftirqd/212:30:232
25007993732,3cyclictest25-21ksoftirqd/111:30:011
25007993732,3cyclictest25-21ksoftirqd/111:00:001
25007993731,4cyclictest25-21ksoftirqd/109:08:371
25007993731,4cyclictest25-21ksoftirqd/109:02:391
25007993731,4cyclictest25-21ksoftirqd/108:03:021
25007993731,3cyclictest25-21ksoftirqd/108:25:001
2500799370,6cyclictest50272cat09:50:011
2500799370,6cyclictest50272cat09:50:001
25006993731,3cyclictest9-21ksoftirqd/010:40:110
25008993633,2cyclictest33-21ksoftirqd/210:50:172
25008993630,4cyclictest33-21ksoftirqd/208:23:542
25008993630,4cyclictest33-21ksoftirqd/207:23:522
25008993630,3cyclictest33-21ksoftirqd/211:05:002
25008993629,5cyclictest33-21ksoftirqd/208:11:302
25008993624,9cyclictest33-21ksoftirqd/209:50:162
25007993633,2cyclictest25-21ksoftirqd/111:40:001
25007993631,3cyclictest25-21ksoftirqd/109:35:001
25007993631,3cyclictest25-21ksoftirqd/107:24:591
25007993631,3cyclictest25-21ksoftirqd/107:15:001
25007993630,4cyclictest25-21ksoftirqd/110:38:431
25007993630,4cyclictest25-21ksoftirqd/110:00:521
25007993630,4cyclictest25-21ksoftirqd/107:56:491
25007993630,4cyclictest25-21ksoftirqd/107:27:191
25007993630,3cyclictest25-21ksoftirqd/108:20:001
25006993629,4cyclictest9-21ksoftirqd/009:27:180
25006993628,5cyclictest9-21ksoftirqd/011:27:160
25008993531,2cyclictest33-21ksoftirqd/211:45:182
25008993531,2cyclictest33-21ksoftirqd/211:35:012
25008993531,2cyclictest33-21ksoftirqd/210:24:592
25008993530,3cyclictest33-21ksoftirqd/212:30:002
25008993530,3cyclictest33-21ksoftirqd/212:15:182
25008993530,3cyclictest33-21ksoftirqd/210:10:012
25008993530,3cyclictest33-21ksoftirqd/209:45:182
25008993530,3cyclictest33-21ksoftirqd/209:45:182
25008993529,4cyclictest33-21ksoftirqd/211:24:502
25008993529,4cyclictest33-21ksoftirqd/210:42:142
25008993529,4cyclictest33-21ksoftirqd/208:28:182
25007993530,3cyclictest25-21ksoftirqd/108:40:341
25007993530,3cyclictest25-21ksoftirqd/108:11:361
25007993529,4cyclictest25-21ksoftirqd/112:29:031
25007993529,4cyclictest25-21ksoftirqd/110:47:531
25007993529,4cyclictest25-21ksoftirqd/110:47:531
25007993529,4cyclictest25-21ksoftirqd/109:10:101
25007993529,4cyclictest25-21ksoftirqd/107:18:591
25007993528,4cyclictest25-21ksoftirqd/110:15:521
25006993529,4cyclictest9-21ksoftirqd/009:48:110
25006993529,4cyclictest9-21ksoftirqd/009:48:110
25006993528,4cyclictest9-21ksoftirqd/009:20:070
57898340,2rtkit-daemon0-21swapper/008:41:380
25008993429,3cyclictest33-21ksoftirqd/212:00:132
25008993429,3cyclictest33-21ksoftirqd/210:30:192
25008993429,3cyclictest33-21ksoftirqd/210:10:182
25008993429,3cyclictest33-21ksoftirqd/208:30:122
25008993429,3cyclictest33-21ksoftirqd/207:30:112
25008993428,4cyclictest33-21ksoftirqd/212:35:272
25008993428,4cyclictest33-21ksoftirqd/207:11:202
25008993428,3cyclictest33-21ksoftirqd/209:24:592
25008993428,3cyclictest33-21ksoftirqd/208:40:002
25008993428,3cyclictest33-21ksoftirqd/208:20:012
25008993427,4cyclictest33-21ksoftirqd/209:41:582
25008993422,9cyclictest33-21ksoftirqd/211:40:232
25007993430,2cyclictest25-21ksoftirqd/108:49:591
25007993429,3cyclictest25-21ksoftirqd/109:40:001
25007993428,4cyclictest25-21ksoftirqd/108:51:121
25007993428,3cyclictest25-21ksoftirqd/108:05:251
25007993427,4cyclictest25-21ksoftirqd/110:30:001
25006993429,3cyclictest9-21ksoftirqd/011:44:410
25006993429,3cyclictest9-21ksoftirqd/010:45:160
25006993429,3cyclictest9-21ksoftirqd/010:45:150
25006993429,3cyclictest9-21ksoftirqd/009:13:130
25006993428,4cyclictest9-21ksoftirqd/007:53:300
25006993427,4cyclictest9-21ksoftirqd/007:40:310
25008993330,2cyclictest33-21ksoftirqd/209:30:182
25008993330,2cyclictest33-21ksoftirqd/207:45:002
25008993329,3cyclictest33-21ksoftirqd/209:05:252
25008993328,3cyclictest33-21ksoftirqd/212:25:012
25008993327,4cyclictest33-21ksoftirqd/210:37:172
25008993327,4cyclictest33-21ksoftirqd/208:06:092
25007993329,3cyclictest25-21ksoftirqd/111:05:011
25007993328,3cyclictest25-21ksoftirqd/111:25:011
25007993328,3cyclictest25-21ksoftirqd/110:12:561
25007993328,3cyclictest25-21ksoftirqd/108:35:271
25007993328,3cyclictest25-21ksoftirqd/108:25:201
25007993328,3cyclictest25-21ksoftirqd/107:50:131
25007993328,3cyclictest25-21ksoftirqd/107:50:001
25007993328,3cyclictest25-21ksoftirqd/107:34:591
25007993327,4cyclictest25-21ksoftirqd/112:22:251
25007993327,4cyclictest25-21ksoftirqd/111:46:481
25007993327,4cyclictest25-21ksoftirqd/110:42:401
25007993327,4cyclictest25-21ksoftirqd/109:57:151
25007993327,3cyclictest25-21ksoftirqd/112:35:191
25007993327,3cyclictest25-21ksoftirqd/111:05:191
25007993326,5cyclictest25-21ksoftirqd/112:05:001
25006993328,3cyclictest9-21ksoftirqd/011:55:290
25006993327,4cyclictest9-21ksoftirqd/007:14:060
25006993326,4cyclictest9-21ksoftirqd/008:50:200
25008993229,2cyclictest33-21ksoftirqd/209:00:202
25008993227,3cyclictest33-21ksoftirqd/207:47:422
25008993227,2cyclictest33-21ksoftirqd/209:35:182
25008993226,4cyclictest33-21ksoftirqd/209:18:012
25008993226,3cyclictest33-21ksoftirqd/209:00:012
25007993228,3cyclictest25-21ksoftirqd/112:05:181
25007993227,3cyclictest25-21ksoftirqd/111:35:011
25007993227,3cyclictest25-21ksoftirqd/111:10:511
25007993226,4cyclictest25-21ksoftirqd/112:17:561
25007993226,4cyclictest25-21ksoftirqd/111:16:431
25007993226,4cyclictest25-21ksoftirqd/109:24:251
25007993226,3cyclictest25-21ksoftirqd/109:29:591
25006993227,3cyclictest9-21ksoftirqd/010:51:500
25006993226,4cyclictest9-21ksoftirqd/012:25:540
25006993226,4cyclictest9-21ksoftirqd/011:48:020
25006993226,4cyclictest9-21ksoftirqd/010:31:480
25006993226,4cyclictest9-21ksoftirqd/010:28:270
25006993226,4cyclictest9-21ksoftirqd/009:43:390
25006993226,4cyclictest9-21ksoftirqd/008:31:250
25006993226,3cyclictest16796-21cron10:15:000
25006993225,4cyclictest9-21ksoftirqd/007:45:490
25008993127,2cyclictest33-21ksoftirqd/210:00:002
25008993126,3cyclictest33-21ksoftirqd/212:10:122
25008993126,3cyclictest33-21ksoftirqd/208:00:262
25008993126,3cyclictest33-21ksoftirqd/207:17:432
25007993127,2cyclictest25-21ksoftirqd/112:30:161
25007993125,4cyclictest25-21ksoftirqd/110:51:591
25006993126,3cyclictest9-21ksoftirqd/011:50:590
25006993126,3cyclictest9-21ksoftirqd/010:05:090
25006993126,3cyclictest9-21ksoftirqd/008:15:290
25006993125,4cyclictest9-21ksoftirqd/012:36:060
25006993125,4cyclictest9-21ksoftirqd/012:12:130
25006993125,4cyclictest9-21ksoftirqd/010:37:180
25006993125,4cyclictest9-21ksoftirqd/010:02:120
25006993125,4cyclictest9-21ksoftirqd/009:58:280
25006993125,4cyclictest9-21ksoftirqd/008:22:310
25006993124,4cyclictest9-21ksoftirqd/008:35:060
25008993026,3cyclictest33-21ksoftirqd/210:45:242
25008993026,3cyclictest33-21ksoftirqd/210:45:232
25008993024,3cyclictest33-21ksoftirqd/210:05:012
25007993025,3cyclictest25-21ksoftirqd/109:55:011
25007993025,3cyclictest25-21ksoftirqd/107:41:501
25007993024,4cyclictest25-21ksoftirqd/111:54:571
25007993024,3cyclictest25-21ksoftirqd/110:25:001
25006993025,3cyclictest9-21ksoftirqd/011:33:500
25006993025,3cyclictest9-21ksoftirqd/010:16:200
25006993025,3cyclictest9-21ksoftirqd/008:48:540
25006993024,4cyclictest9-21ksoftirqd/010:22:490
25006993024,4cyclictest9-21ksoftirqd/009:53:490
25006993024,4cyclictest9-21ksoftirqd/007:28:480
25006993024,4cyclictest9-21ksoftirqd/007:21:580
25006993024,3cyclictest9-21ksoftirqd/011:07:580
25007992924,3cyclictest25-21ksoftirqd/112:15:001
25006992924,3cyclictest9-21ksoftirqd/008:25:310
25006992924,3cyclictest9-21ksoftirqd/008:02:450
25006992923,3cyclictest9-21ksoftirqd/011:16:150
25006992922,4cyclictest9-21ksoftirqd/012:32:350
25006992922,4cyclictest9-21ksoftirqd/009:32:040
25008992823,3cyclictest33-21ksoftirqd/211:55:182
25008992823,3cyclictest33-21ksoftirqd/207:50:252
25007992823,3cyclictest25-21ksoftirqd/111:55:181
25007992823,3cyclictest25-21ksoftirqd/109:15:261
25006992823,3cyclictest9-21ksoftirqd/012:04:110
25006992823,3cyclictest9-21ksoftirqd/008:07:150
25006992822,4cyclictest9-21ksoftirqd/012:20:280
25006992822,4cyclictest9-21ksoftirqd/012:08:360
25006992822,4cyclictest9-21ksoftirqd/009:15:100
25006992722,3cyclictest9-21ksoftirqd/011:20:360
25006992722,3cyclictest9-21ksoftirqd/007:31:370
25006992721,4cyclictest9-21ksoftirqd/011:38:400
25006992721,4cyclictest9-21ksoftirqd/009:06:040
25007992621,3cyclictest25-21ksoftirqd/110:05:051
25006992621,3cyclictest9-21ksoftirqd/011:12:180
25006992621,3cyclictest9-21ksoftirqd/008:55:120
25006992621,3cyclictest9-21ksoftirqd/007:55:440
25006992620,4cyclictest9-21ksoftirqd/012:15:500
25006992620,4cyclictest9-21ksoftirqd/007:16:110
25006992520,3cyclictest9-21ksoftirqd/007:38:290
25006992217,3cyclictest9-21ksoftirqd/011:00:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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