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2026-05-30 - 21:34
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Sat May 30, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591238172,22phc2sys0-21swapper/307:09:293
139591238172,22phc2sys0-21swapper/307:09:283
287422232170,50sleep00-21swapper/007:08:490
287422232170,50sleep00-21swapper/007:08:480
285172206172,22sleep20-21swapper/207:05:542
285172206172,22sleep20-21swapper/207:05:532
286962204171,22sleep10-21swapper/107:08:141
286962204171,22sleep10-21swapper/107:08:131
29130996926,9cyclictest33-21ksoftirqd/208:04:592
74632680,2sleep17469-21irqrtprio12:00:171
29130996529,7cyclictest33-21ksoftirqd/207:59:032
29130996228,5cyclictest33-21ksoftirqd/211:35:132
29130996131,8cyclictest33-21ksoftirqd/212:05:182
29130996128,4cyclictest33-21ksoftirqd/208:05:252
29130996127,5cyclictest33-21ksoftirqd/212:30:182
139291610,1ptp4l401ktimersoftd/311:27:503
29130996027,4cyclictest33-21ksoftirqd/208:35:192
29130996027,3cyclictest33-21ksoftirqd/211:30:172
29130996025,4cyclictest33-21ksoftirqd/211:10:162
29130996023,6cyclictest33-21ksoftirqd/210:55:252
91782590,7sleep32913199cyclictest07:35:153
29130995926,6cyclictest33-21ksoftirqd/211:55:142
29130995926,4cyclictest33-21ksoftirqd/207:20:242
29130995925,4cyclictest33-21ksoftirqd/210:10:002
29130995924,5cyclictest33-21ksoftirqd/209:20:202
29130995924,4cyclictest33-21ksoftirqd/210:50:302
29130995924,4cyclictest33-21ksoftirqd/210:00:182
29130995831,7cyclictest33-21ksoftirqd/207:30:222
29130995830,7cyclictest33-21ksoftirqd/207:35:142
29130995827,4cyclictest33-21ksoftirqd/210:50:002
29130995826,8cyclictest33-21ksoftirqd/212:20:002
29130995826,4cyclictest33-21ksoftirqd/209:30:172
29130995825,5cyclictest33-21ksoftirqd/210:40:122
29130995823,4cyclictest33-21ksoftirqd/207:10:252
29130995823,11cyclictest33-21ksoftirqd/212:25:192
29130995729,7cyclictest33-21ksoftirqd/208:55:132
29130995727,4cyclictest33-21ksoftirqd/208:25:122
29130995723,4cyclictest33-21ksoftirqd/212:20:262
29130995723,4cyclictest33-21ksoftirqd/212:20:262
29130995721,5cyclictest33-21ksoftirqd/208:25:002
29130995624,4cyclictest33-21ksoftirqd/207:25:262
29130995621,4cyclictest33-21ksoftirqd/209:40:182
29130995527,3cyclictest33-21ksoftirqd/210:35:282
29130995525,5cyclictest33-21ksoftirqd/209:09:532
29130995523,5cyclictest33-21ksoftirqd/209:50:232
29130995522,9cyclictest33-21ksoftirqd/207:15:242
29130995424,8cyclictest33-21ksoftirqd/207:50:222
29130995424,4cyclictest33-21ksoftirqd/210:15:172
29130995423,3cyclictest33-21ksoftirqd/211:55:002
29130995422,5cyclictest33-21ksoftirqd/209:15:152
29130995422,5cyclictest33-21ksoftirqd/209:15:152
29130995417,4cyclictest33-21ksoftirqd/207:40:182
229762540,2sleep10-21swapper/109:10:201
29130995325,7cyclictest33-21ksoftirqd/209:00:192
29130995319,6cyclictest33-21ksoftirqd/211:25:112
29130995317,4cyclictest33-21ksoftirqd/211:40:132
29130995222,5cyclictest33-21ksoftirqd/210:10:182
29130995219,6cyclictest33-21ksoftirqd/212:35:222
29130995216,6cyclictest33-21ksoftirqd/208:10:252
29130995215,6cyclictest33-21ksoftirqd/212:00:132
2913099517,2cyclictest33-21ksoftirqd/209:35:202
2913099516,3cyclictest33-21ksoftirqd/210:20:222
2913099514,3cyclictest33-21ksoftirqd/209:45:142
29130995118,5cyclictest33-21ksoftirqd/209:10:212
2913099509,3cyclictest33-21ksoftirqd/208:20:012
2913099504,2cyclictest33-21ksoftirqd/210:35:012
29130995015,8cyclictest33-21ksoftirqd/211:15:312
29130994916,11cyclictest33-21ksoftirqd/209:25:142
29130994915,4cyclictest33-21ksoftirqd/211:20:222
2913099486,3cyclictest33-21ksoftirqd/207:45:142
2913099486,3cyclictest33-21ksoftirqd/207:45:132
29130994817,11cyclictest33-21ksoftirqd/208:40:192
29130994816,5cyclictest33-21ksoftirqd/210:25:202
29130994812,3cyclictest33-21ksoftirqd/209:55:122
2913099477,7cyclictest33-21ksoftirqd/208:50:202
2913099475,2cyclictest33-21ksoftirqd/208:30:182
2913099471,2cyclictest121rcu_preempt08:50:002
29130994711,3cyclictest33-21ksoftirqd/211:03:452
2913099462,2cyclictest121rcu_preempt11:45:252
2913099456,3cyclictest33-21ksoftirqd/212:10:192
29129994516,27cyclictest0-21swapper/111:30:351
29131994439,3cyclictest41-21ksoftirqd/309:00:003
29129994439,3cyclictest3690-21cron07:25:001
139291440,0ptp4l401ktimersoftd/308:35:163
29131994338,3cyclictest41-21ksoftirqd/309:20:013
29131994338,3cyclictest41-21ksoftirqd/309:20:003
139291430,0ptp4l401ktimersoftd/311:05:523
139291430,0ptp4l401ktimersoftd/310:12:133
139291430,0ptp4l401ktimersoftd/309:45:213
139291430,0ptp4l401ktimersoftd/309:10:233
139291430,0ptp4l401ktimersoftd/309:03:533
2913099423,2cyclictest33-21ksoftirqd/211:05:252
139291420,1ptp4l401ktimersoftd/309:33:173
29131994136,3cyclictest41-21ksoftirqd/309:45:013
29131994136,3cyclictest41-21ksoftirqd/309:40:003
29131994136,3cyclictest41-21ksoftirqd/309:25:003
29131994135,3cyclictest41-21ksoftirqd/308:25:013
2913199410,2cyclictest121rcu_preempt07:10:273
29131994036,2cyclictest41-21ksoftirqd/307:20:013
139291400,0ptp4l401ktimersoftd/311:40:173
29131993935,3cyclictest41-21ksoftirqd/311:35:003
29131993934,3cyclictest41-21ksoftirqd/309:55:003
29131993929,9cyclictest41-21ksoftirqd/312:05:193
29131993834,2cyclictest41-21ksoftirqd/311:40:003
29131993833,3cyclictest41-21ksoftirqd/312:35:013
29131993832,4cyclictest41-21ksoftirqd/310:38:363
29131993832,3cyclictest41-21ksoftirqd/308:35:013
29129993832,3cyclictest9867-21apt08:45:001
29131993732,3cyclictest41-21ksoftirqd/308:20:003
29131993732,3cyclictest41-21ksoftirqd/308:05:133
29131993731,4cyclictest41-21ksoftirqd/310:01:333
29131993730,4cyclictest41-21ksoftirqd/310:05:433
29128993731,4cyclictest9-21ksoftirqd/011:49:010
29128993731,4cyclictest9-21ksoftirqd/008:51:170
29128993731,4cyclictest9-21ksoftirqd/008:34:200
29128993730,4cyclictest9-21ksoftirqd/011:28:270
29131993633,2cyclictest41-21ksoftirqd/307:25:183
29131993631,3cyclictest41-21ksoftirqd/312:35:123
29131993631,3cyclictest41-21ksoftirqd/310:28:033
29131993631,3cyclictest41-21ksoftirqd/310:17:533
29131993630,4cyclictest41-21ksoftirqd/311:22:243
29131993630,4cyclictest41-21ksoftirqd/310:30:543
29131993630,4cyclictest41-21ksoftirqd/309:59:283
29131993630,4cyclictest41-21ksoftirqd/308:51:053
29129993631,3cyclictest25-21ksoftirqd/112:37:441
29129993631,3cyclictest25-21ksoftirqd/109:43:131
29129993630,4cyclictest25-21ksoftirqd/112:16:301
29129993630,4cyclictest25-21ksoftirqd/111:23:591
29129993630,4cyclictest25-21ksoftirqd/108:25:481
29129993630,4cyclictest25-21ksoftirqd/107:48:331
29129993630,4cyclictest25-21ksoftirqd/107:48:321
29129993629,4cyclictest25-21ksoftirqd/112:08:211
29129993629,4cyclictest25-21ksoftirqd/109:19:591
29129993629,4cyclictest25-21ksoftirqd/109:19:591
29128993631,3cyclictest9-21ksoftirqd/008:00:180
29128993631,3cyclictest9-21ksoftirqd/007:31:110
29128993630,4cyclictest9-21ksoftirqd/012:11:560
29128993630,4cyclictest9-21ksoftirqd/010:34:190
29128993630,4cyclictest9-21ksoftirqd/009:51:350
29128993613,20cyclictest7396-21grep10:50:280
29128993613,20cyclictest27755-21sed11:35:190
29128993613,20cyclictest10443-21sed08:45:150
29131993532,2cyclictest41-21ksoftirqd/312:25:003
29131993532,2cyclictest41-21ksoftirqd/312:25:003
29131993532,2cyclictest41-21ksoftirqd/311:55:003
29131993531,2cyclictest41-21ksoftirqd/312:15:253
29131993530,3cyclictest41-21ksoftirqd/311:15:143
29131993530,3cyclictest41-21ksoftirqd/310:23:023
29131993530,3cyclictest41-21ksoftirqd/308:25:193
29131993530,3cyclictest41-21ksoftirqd/308:15:003
29131993530,3cyclictest41-21ksoftirqd/307:31:253
29131993530,3cyclictest41-21ksoftirqd/307:25:003
29129993529,4cyclictest25-21ksoftirqd/110:25:341
29129993529,4cyclictest25-21ksoftirqd/109:59:261
29129993529,4cyclictest25-21ksoftirqd/109:02:491
29128993531,3cyclictest9-21ksoftirqd/011:13:320
29128993530,3cyclictest9-21ksoftirqd/007:28:220
29128993528,4cyclictest9-21ksoftirqd/012:39:400
29128993521,11cyclictest9-21ksoftirqd/011:20:000
2913199344,2cyclictest121rcu_preempt09:20:203
2913199343,3cyclictest41-21ksoftirqd/308:00:283
29131993429,3cyclictest41-21ksoftirqd/310:50:003
29131993429,3cyclictest41-21ksoftirqd/310:40:373
29131993429,3cyclictest41-21ksoftirqd/307:55:003
29131993428,4cyclictest41-21ksoftirqd/311:49:363
29131993428,4cyclictest41-21ksoftirqd/307:56:493
29131993420,4cyclictest41-21ksoftirqd/312:25:193
29129993429,3cyclictest25-21ksoftirqd/107:30:311
29129993428,4cyclictest25-21ksoftirqd/109:22:151
29129993428,4cyclictest25-21ksoftirqd/108:47:011
29129993428,4cyclictest25-21ksoftirqd/107:50:491
29129993428,4cyclictest25-21ksoftirqd/107:43:151
2912999340,32cyclictest0-21swapper/109:51:451
29128993429,3cyclictest9-21ksoftirqd/012:05:120
29128993429,3cyclictest9-21ksoftirqd/011:05:190
29128993429,3cyclictest9-21ksoftirqd/010:26:340
29128993429,3cyclictest9-21ksoftirqd/009:06:190
29128993428,4cyclictest9-21ksoftirqd/010:23:200
29128993428,4cyclictest9-21ksoftirqd/008:11:350
29128993428,4cyclictest9-21ksoftirqd/007:44:020
29128993428,4cyclictest9-21ksoftirqd/007:17:380
29128993427,4cyclictest9-21ksoftirqd/009:00:520
139291340,0ptp4l401ktimersoftd/309:05:203
29131993328,3cyclictest41-21ksoftirqd/312:10:553
29131993328,3cyclictest41-21ksoftirqd/310:54:083
29129993327,4cyclictest25-21ksoftirqd/111:11:351
29129993327,4cyclictest25-21ksoftirqd/110:09:051
29129993327,4cyclictest25-21ksoftirqd/109:08:271
29129993327,3cyclictest25-21ksoftirqd/111:00:121
29129993327,3cyclictest25-21ksoftirqd/110:45:141
29128993328,3cyclictest9-21ksoftirqd/010:14:010
29128993328,3cyclictest9-21ksoftirqd/009:49:550
29128993328,3cyclictest9-21ksoftirqd/009:30:010
29128993327,4cyclictest9-21ksoftirqd/012:33:300
29128993327,4cyclictest9-21ksoftirqd/010:55:330
29128993327,4cyclictest9-21ksoftirqd/008:05:240
29128993327,4cyclictest9-21ksoftirqd/007:24:040
29128993326,4cyclictest9-21ksoftirqd/011:45:000
29128993326,4cyclictest9-21ksoftirqd/007:57:210
29128993319,5cyclictest9-21ksoftirqd/010:00:580
29128993319,11cyclictest9-21ksoftirqd/008:55:100
29128993310,3cyclictest22600-21sed10:15:260
139291330,0ptp4l401ktimersoftd/311:10:563
29131993227,3cyclictest41-21ksoftirqd/310:58:173
29131993226,4cyclictest41-21ksoftirqd/307:47:343
29131993226,4cyclictest41-21ksoftirqd/307:47:343
29129993227,3cyclictest25-21ksoftirqd/111:36:241
29129993227,3cyclictest25-21ksoftirqd/110:43:081
29129993227,3cyclictest25-21ksoftirqd/110:20:131
29129993227,3cyclictest25-21ksoftirqd/108:57:281
29129993227,3cyclictest25-21ksoftirqd/108:15:101
29129993226,4cyclictest25-21ksoftirqd/112:22:241
29129993226,4cyclictest25-21ksoftirqd/112:22:241
29129993226,4cyclictest25-21ksoftirqd/111:44:101
29129993226,3cyclictest20831-21cron12:30:001
29128993227,3cyclictest9-21ksoftirqd/012:27:080
29128993227,3cyclictest9-21ksoftirqd/008:42:320
29128993226,4cyclictest9-21ksoftirqd/011:22:410
29128993226,4cyclictest9-21ksoftirqd/009:24:190
29128993225,4cyclictest9-21ksoftirqd/009:40:110
29128993218,4cyclictest9-21ksoftirqd/010:36:400
29128993212,17cyclictest14024-21cat12:15:120
29131993127,3cyclictest41-21ksoftirqd/308:45:133
29131993126,3cyclictest41-21ksoftirqd/308:40:203
2913199311,3cyclictest41-21ksoftirqd/312:00:133
2913199311,3cyclictest41-21ksoftirqd/311:55:123
29129993126,3cyclictest25-21ksoftirqd/111:25:101
29129993126,3cyclictest25-21ksoftirqd/111:15:311
29129993126,3cyclictest25-21ksoftirqd/111:05:121
29129993126,3cyclictest25-21ksoftirqd/110:55:311
29129993126,3cyclictest25-21ksoftirqd/108:08:531
29129993126,3cyclictest25-21ksoftirqd/108:00:031
29129993125,4cyclictest25-21ksoftirqd/109:35:391
29129993125,4cyclictest25-21ksoftirqd/107:28:301
29129993125,4cyclictest25-21ksoftirqd/107:12:421
29129993125,3cyclictest217-21systemd-journal10:03:321
29128993126,3cyclictest9-21ksoftirqd/010:48:510
29128993126,3cyclictest9-21ksoftirqd/009:37:060
29128993126,3cyclictest9-21ksoftirqd/009:14:480
29128993126,3cyclictest9-21ksoftirqd/008:27:380
29128993126,3cyclictest9-21ksoftirqd/007:51:290
29128993125,4cyclictest9-21ksoftirqd/009:16:040
29128993125,4cyclictest9-21ksoftirqd/009:16:040
29128993111,3cyclictest6845-21cstates12:00:120
139291310,0ptp4l401ktimersoftd/307:43:303
2913199301,3cyclictest41-21ksoftirqd/311:00:183
29129993025,3cyclictest25-21ksoftirqd/109:45:411
29129993025,3cyclictest25-21ksoftirqd/108:39:111
29129993024,4cyclictest25-21ksoftirqd/108:51:071
29128993025,3cyclictest9-21ksoftirqd/011:53:500
29128993025,3cyclictest9-21ksoftirqd/011:32:200
29128993025,3cyclictest9-21ksoftirqd/008:37:450
29128993025,3cyclictest9-21ksoftirqd/008:19:330
29128993025,3cyclictest9-21ksoftirqd/007:37:270
29128993024,4cyclictest9-21ksoftirqd/011:03:360
29128993024,4cyclictest9-21ksoftirqd/010:08:400
29129992924,3cyclictest25-21ksoftirqd/111:57:011
29129992924,3cyclictest25-21ksoftirqd/110:35:581
29129992924,3cyclictest25-21ksoftirqd/110:15:191
29129992924,3cyclictest25-21ksoftirqd/109:34:301
29129992924,3cyclictest25-21ksoftirqd/107:36:361
29129992923,4cyclictest25-21ksoftirqd/107:57:271
29128992923,4cyclictest9-21ksoftirqd/009:32:220
29128992915,12cyclictest30096-21kernelversion07:10:210
29129992823,3cyclictest25-21ksoftirqd/110:32:521
29129992823,3cyclictest25-21ksoftirqd/110:14:521
29129992823,3cyclictest25-21ksoftirqd/108:34:571
29129992822,4cyclictest25-21ksoftirqd/107:17:401
29128992823,3cyclictest9-21ksoftirqd/011:58:260
29128992823,3cyclictest9-21ksoftirqd/009:56:200
29128992823,3cyclictest9-21ksoftirqd/008:24:300
2912899278,3cyclictest2220-21expr10:40:250
29129992621,3cyclictest25-21ksoftirqd/112:10:231
29129992620,4cyclictest25-21ksoftirqd/108:23:341
29128992621,3cyclictest9-21ksoftirqd/012:21:150
29128992621,3cyclictest9-21ksoftirqd/012:21:140
29128992621,3cyclictest9-21ksoftirqd/007:45:330
29128992621,3cyclictest9-21ksoftirqd/007:45:320
29129992520,3cyclictest25-21ksoftirqd/108:11:181
29129992419,3cyclictest25-21ksoftirqd/111:50:101
2912999234,16cyclictest6819-21grep10:50:231
41298200,2rtkit-daemon0-21swapper/112:34:341
29129991913,4cyclictest32170-21sed11:45:121
29129991910,6cyclictest29884-21cpuspeed_turbos09:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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