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2026-06-13 - 01:40
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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 Fri Jun 12, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57992237170,22sleep30-21swapper/307:08:433
58812205171,22sleep00-21swapper/007:09:400
57562205172,22sleep20-21swapper/207:08:092
55652203170,21sleep10-21swapper/107:05:391
139291630,1ptp4l10263-21perl08:25:163
130992570,2sleep30-21swapper/310:45:213
125122570,3sleep00-21swapper/008:30:150
73982560,2sleep00-21swapper/008:20:120
139291560,5ptp4l620299cyclictest11:20:203
246522540,2sleep30-21swapper/311:10:153
6202995017,4cyclictest41-21ksoftirqd/309:25:003
287252500,1sleep30-21swapper/312:25:223
139291500,1ptp4l401ktimersoftd/307:29:213
139291490,0ptp4l401ktimersoftd/307:53:483
6202994810,8cyclictest41-21ksoftirqd/310:20:153
192822480,2sleep30-21swapper/307:35:263
139291470,1ptp4l401ktimersoftd/308:47:223
139291470,1ptp4l401ktimersoftd/308:47:223
6201994626,17cyclictest33-21ksoftirqd/212:33:572
139291450,0ptp4l401ktimersoftd/310:05:173
6202994411,9cyclictest41-21ksoftirqd/311:45:243
6199994438,3cyclictest30928-21latency_hist09:10:010
6199994427,7cyclictest9-21ksoftirqd/011:05:160
6199994424,9cyclictest9-21ksoftirqd/009:15:000
139291440,0ptp4l401ktimersoftd/310:35:323
620299438,9cyclictest41-21ksoftirqd/312:35:013
620299433,9cyclictest41-21ksoftirqd/308:00:253
6199994328,4cyclictest9-21ksoftirqd/008:40:210
6199994324,8cyclictest9-21ksoftirqd/010:55:310
620299423,8cyclictest41-21ksoftirqd/309:45:223
6202994237,3cyclictest41-21ksoftirqd/308:00:003
6201994237,3cyclictest33-21ksoftirqd/210:20:012
6201994230,9cyclictest33-21ksoftirqd/208:35:282
6199994235,4cyclictest9451-21grep10:40:000
6199994227,5cyclictest9-21ksoftirqd/011:55:140
139291420,5ptp4l620299cyclictest11:30:453
620299418,7cyclictest41-21ksoftirqd/308:50:013
620299415,8cyclictest41-21ksoftirqd/311:55:233
6202994137,2cyclictest41-21ksoftirqd/309:40:013
6202994135,3cyclictest41-21ksoftirqd/308:40:003
620299412,7cyclictest41-21ksoftirqd/310:30:003
620299412,3cyclictest121rcu_preempt08:05:053
6202994110,8cyclictest41-21ksoftirqd/310:55:243
620199419,4cyclictest33-21ksoftirqd/208:30:202
6201994130,9cyclictest33-21ksoftirqd/210:50:192
6201994129,11cyclictest33-21ksoftirqd/209:10:012
6201994129,10cyclictest33-21ksoftirqd/208:40:262
620199411,2cyclictest121rcu_preempt11:25:122
6199994135,3cyclictest7128-21cron08:20:000
139291410,33ptp4l0-21swapper/307:10:003
139291410,0ptp4l401ktimersoftd/311:35:193
139291410,0ptp4l401ktimersoftd/309:08:253
620299409,4cyclictest41-21ksoftirqd/312:15:153
620299408,7cyclictest41-21ksoftirqd/311:25:263
620299406,9cyclictest41-21ksoftirqd/312:00:133
6202994035,3cyclictest41-21ksoftirqd/310:55:003
6202994034,3cyclictest41-21ksoftirqd/308:10:213
6202994027,10cyclictest41-21ksoftirqd/310:40:133
6202994019,5cyclictest41-21ksoftirqd/312:10:223
6202994010,7cyclictest41-21ksoftirqd/312:09:593
620199409,9cyclictest33-21ksoftirqd/211:35:182
620199406,3cyclictest33-21ksoftirqd/209:20:132
6201994034,3cyclictest33-21ksoftirqd/211:55:002
6201994029,9cyclictest33-21ksoftirqd/211:10:112
6201994022,8cyclictest33-21ksoftirqd/209:30:132
6199994023,7cyclictest9-21ksoftirqd/012:35:220
619999400,2cyclictest121rcu_preempt07:31:350
620299396,7cyclictest41-21ksoftirqd/309:25:143
6202993933,3cyclictest41-21ksoftirqd/312:25:013
6202993933,3cyclictest41-21ksoftirqd/308:30:133
620299391,3cyclictest121rcu_preempt11:04:593
6201993935,3cyclictest33-21ksoftirqd/207:50:002
6201993933,4cyclictest33-21ksoftirqd/208:05:002
620199390,2cyclictest121rcu_preempt10:25:252
6199993935,2cyclictest9-21ksoftirqd/009:40:000
6199993933,3cyclictest9-21ksoftirqd/010:15:000
620299385,3cyclictest121rcu_preempt11:15:253
6202993833,3cyclictest41-21ksoftirqd/310:35:003
6202993833,3cyclictest41-21ksoftirqd/309:05:003
6202993833,3cyclictest41-21ksoftirqd/307:30:283
620299382,8cyclictest41-21ksoftirqd/309:10:233
620299381,5cyclictest41-21ksoftirqd/308:55:233
6201993833,3cyclictest33-21ksoftirqd/211:35:012
6201993833,3cyclictest33-21ksoftirqd/210:35:002
6201993833,3cyclictest33-21ksoftirqd/210:23:262
6201993833,3cyclictest33-21ksoftirqd/209:29:592
6201993833,2cyclictest33-21ksoftirqd/208:00:002
6201993831,4cyclictest33-21ksoftirqd/210:49:042
6201993826,9cyclictest33-21ksoftirqd/208:10:152
6201993826,10cyclictest33-21ksoftirqd/212:05:262
6200993832,4cyclictest25-21ksoftirqd/107:33:111
6200993831,5cyclictest25-21ksoftirqd/108:23:261
6199993832,3cyclictest9-21ksoftirqd/010:15:250
6199993832,3cyclictest9-21ksoftirqd/008:40:000
6199993831,4cyclictest9-21ksoftirqd/010:55:000
619999382,6cyclictest9-21ksoftirqd/009:50:140
6199993820,7cyclictest9-21ksoftirqd/011:00:210
619999380,2cyclictest121rcu_preempt09:03:490
620299378,2cyclictest41-21ksoftirqd/308:20:593
6202993732,3cyclictest41-21ksoftirqd/311:50:203
6202993732,3cyclictest41-21ksoftirqd/307:15:183
6202993731,3cyclictest41-21ksoftirqd/310:15:123
6202993731,3cyclictest41-21ksoftirqd/309:40:133
6202993731,3cyclictest41-21ksoftirqd/308:40:203
620299372,7cyclictest41-21ksoftirqd/307:20:133
620299371,9cyclictest41-21ksoftirqd/309:55:213
6202993713,7cyclictest41-21ksoftirqd/309:35:013
6201993733,3cyclictest33-21ksoftirqd/212:39:592
6201993732,3cyclictest33-21ksoftirqd/207:20:012
6201993731,4cyclictest33-21ksoftirqd/208:27:242
6201993731,3cyclictest33-21ksoftirqd/210:34:592
6201993731,3cyclictest33-21ksoftirqd/210:00:192
6201993724,11cyclictest33-21ksoftirqd/207:10:162
6200993732,3cyclictest25-21ksoftirqd/110:59:441
6200993730,4cyclictest25-21ksoftirqd/107:48:031
6199993733,2cyclictest9-21ksoftirqd/010:35:000
6199993731,4cyclictest9-21ksoftirqd/010:49:500
6199993731,3cyclictest9-21ksoftirqd/011:30:000
6199993731,3cyclictest9-21ksoftirqd/010:30:010
6199993730,4cyclictest9-21ksoftirqd/011:41:540
6202993632,2cyclictest41-21ksoftirqd/310:10:163
6202993632,2cyclictest41-21ksoftirqd/309:50:253
6202993631,3cyclictest41-21ksoftirqd/311:40:273
6202993631,3cyclictest41-21ksoftirqd/309:15:233
6202993624,3cyclictest41-21ksoftirqd/311:05:153
6202993618,8cyclictest41-21ksoftirqd/312:35:223
620299361,4cyclictest41-21ksoftirqd/310:00:133
6201993632,3cyclictest33-21ksoftirqd/212:20:192
6201993632,2cyclictest33-21ksoftirqd/207:55:012
6201993632,2cyclictest33-21ksoftirqd/207:40:212
6201993632,2cyclictest33-21ksoftirqd/207:40:212
6201993632,2cyclictest33-21ksoftirqd/207:30:002
6201993632,2cyclictest33-21ksoftirqd/207:25:012
6201993631,3cyclictest33-21ksoftirqd/209:20:002
6201993631,3cyclictest33-21ksoftirqd/208:25:012
6201993630,4cyclictest33-21ksoftirqd/210:42:022
6201993630,4cyclictest33-21ksoftirqd/209:49:002
6200993631,3cyclictest25-21ksoftirqd/110:10:101
6200993630,3cyclictest25-21ksoftirqd/111:44:551
6199993632,2cyclictest9-21ksoftirqd/007:30:000
6199993631,3cyclictest9-21ksoftirqd/008:29:380
6199993631,3cyclictest9-21ksoftirqd/008:00:000
6199993627,3cyclictest9-21ksoftirqd/012:30:020
6199993620,7cyclictest9-21ksoftirqd/007:50:260
6202993531,2cyclictest41-21ksoftirqd/307:45:263
6201993530,3cyclictest33-21ksoftirqd/212:02:482
6201993530,3cyclictest33-21ksoftirqd/211:45:182
6201993530,3cyclictest33-21ksoftirqd/209:40:012
6201993530,3cyclictest33-21ksoftirqd/208:17:062
6201993530,3cyclictest33-21ksoftirqd/208:06:332
6201993530,3cyclictest33-21ksoftirqd/207:40:002
6201993529,4cyclictest33-21ksoftirqd/211:08:392
6201993529,4cyclictest33-21ksoftirqd/210:56:432
620199352,3cyclictest33-21ksoftirqd/211:00:152
620199351,3cyclictest121rcu_preempt08:55:242
6200993530,3cyclictest25-21ksoftirqd/109:18:571
6200993530,3cyclictest25-21ksoftirqd/109:10:121
6200993530,3cyclictest25-21ksoftirqd/108:04:201
6200993530,3cyclictest25-21ksoftirqd/107:10:481
6200993529,4cyclictest25-21ksoftirqd/112:33:111
6200993529,4cyclictest25-21ksoftirqd/111:49:141
6200993529,4cyclictest25-21ksoftirqd/111:25:101
6200993529,4cyclictest25-21ksoftirqd/110:28:211
6200993529,4cyclictest25-21ksoftirqd/110:24:401
6200993529,4cyclictest25-21ksoftirqd/109:34:551
6199993530,3cyclictest9-21ksoftirqd/012:10:010
6199993529,4cyclictest9-21ksoftirqd/012:26:510
6199993529,3cyclictest9-21ksoftirqd/011:50:000
6199993529,3cyclictest9-21ksoftirqd/008:00:100
6202993431,2cyclictest41-21ksoftirqd/307:40:243
6202993431,2cyclictest41-21ksoftirqd/307:40:243
6202993430,2cyclictest41-21ksoftirqd/308:15:163
6201993429,3cyclictest33-21ksoftirqd/212:20:012
6201993429,3cyclictest33-21ksoftirqd/209:50:182
6201993428,4cyclictest33-21ksoftirqd/211:24:202
6201993427,5cyclictest50592irq/125-enp1s0-09:01:542
6201993421,12cyclictest33-21ksoftirqd/210:10:002
6201993419,4cyclictest33-21ksoftirqd/208:45:162
6201993419,4cyclictest33-21ksoftirqd/208:45:162
620199340,5cyclictest33-21ksoftirqd/211:55:172
620199340,4cyclictest21886-21cstates08:50:142
6200993431,2cyclictest25-21ksoftirqd/110:40:181
6200993429,3cyclictest25-21ksoftirqd/112:11:431
6200993429,3cyclictest25-21ksoftirqd/111:31:171
6200993429,3cyclictest25-21ksoftirqd/107:40:131
6200993429,3cyclictest25-21ksoftirqd/107:40:131
6200993429,3cyclictest25-21ksoftirqd/107:17:491
6200993428,4cyclictest25-21ksoftirqd/112:22:351
6200993428,4cyclictest25-21ksoftirqd/111:56:481
6200993428,4cyclictest25-21ksoftirqd/108:32:271
6200993428,4cyclictest25-21ksoftirqd/107:38:001
6200993427,4cyclictest25-21ksoftirqd/111:00:131
6199993430,3cyclictest9-21ksoftirqd/008:10:200
6199993429,3cyclictest9-21ksoftirqd/011:50:360
6199993429,3cyclictest9-21ksoftirqd/009:40:190
6199993428,4cyclictest9-21ksoftirqd/012:23:030
6199993428,4cyclictest9-21ksoftirqd/011:15:590
6199993428,4cyclictest9-21ksoftirqd/009:26:100
6199993428,3cyclictest9-21ksoftirqd/010:20:180
6199993428,3cyclictest9-21ksoftirqd/009:21:420
6199993428,3cyclictest9-21ksoftirqd/008:55:130
6199993420,5cyclictest9-21ksoftirqd/008:05:050
6199993418,7cyclictest9-21ksoftirqd/007:40:190
6199993418,7cyclictest9-21ksoftirqd/007:40:190
6199993416,8cyclictest9-21ksoftirqd/007:20:190
6201993329,3cyclictest33-21ksoftirqd/212:25:012
6201993329,3cyclictest33-21ksoftirqd/211:40:182
6201993329,2cyclictest33-21ksoftirqd/209:10:192
620199331,4cyclictest0-21swapper/207:30:222
6200993328,3cyclictest25-21ksoftirqd/108:13:191
6200993328,3cyclictest25-21ksoftirqd/107:56:461
6200993328,3cyclictest10695-21uname08:25:191
6200993327,4cyclictest25-21ksoftirqd/110:51:171
6200993327,4cyclictest25-21ksoftirqd/110:00:341
6200993327,4cyclictest25-21ksoftirqd/109:20:461
6200993327,4cyclictest25-21ksoftirqd/108:07:331
6199993328,3cyclictest9-21ksoftirqd/010:05:180
6199993328,3cyclictest9-21ksoftirqd/009:30:180
6199993328,3cyclictest9-21ksoftirqd/009:15:200
6199993328,3cyclictest9-21ksoftirqd/008:50:290
6199993328,3cyclictest9-21ksoftirqd/007:39:590
6199993327,4cyclictest9-21ksoftirqd/010:01:090
6199993327,4cyclictest9-21ksoftirqd/008:48:240
6199993327,4cyclictest9-21ksoftirqd/008:48:230
6199993327,3cyclictest9-21ksoftirqd/012:00:180
6199993318,7cyclictest9-21ksoftirqd/011:30:160
6199993316,7cyclictest9-21ksoftirqd/010:40:120
6199993316,7cyclictest9-21ksoftirqd/007:10:170
215222330,5sleep221525-21phc2sys12:10:212
6201993228,2cyclictest33-21ksoftirqd/211:15:172
6201993227,3cyclictest33-21ksoftirqd/210:12:252
6200993227,3cyclictest25-21ksoftirqd/109:36:231
6200993226,4cyclictest25-21ksoftirqd/111:23:131
6200993226,4cyclictest25-21ksoftirqd/111:18:241
6200993226,4cyclictest25-21ksoftirqd/109:27:001
6200993226,4cyclictest25-21ksoftirqd/108:57:161
6199993228,2cyclictest9-21ksoftirqd/011:10:130
6199993227,3cyclictest9-21ksoftirqd/009:55:130
6199993227,2cyclictest9-21ksoftirqd/011:35:180
6199993227,2cyclictest9-21ksoftirqd/009:45:190
6199993226,3cyclictest9-21ksoftirqd/012:10:120
6199993226,3cyclictest9-21ksoftirqd/007:45:120
6201993126,3cyclictest33-21ksoftirqd/209:44:182
6200993126,3cyclictest25-21ksoftirqd/112:29:411
6200993126,3cyclictest25-21ksoftirqd/112:17:121
6200993126,3cyclictest25-21ksoftirqd/110:37:401
6200993126,3cyclictest25-21ksoftirqd/109:45:411
6200993126,3cyclictest25-21ksoftirqd/109:43:161
6200993126,3cyclictest25-21ksoftirqd/108:46:151
6200993126,3cyclictest25-21ksoftirqd/108:46:151
6200993125,4cyclictest25-21ksoftirqd/112:00:411
6200993125,4cyclictest25-21ksoftirqd/109:59:181
6201993025,3cyclictest33-21ksoftirqd/209:59:272
6200993026,3cyclictest25-21ksoftirqd/107:25:231
6200993025,3cyclictest25-21ksoftirqd/111:13:421
6200993025,3cyclictest25-21ksoftirqd/110:15:541
6200993025,3cyclictest25-21ksoftirqd/107:20:191
6200993024,4cyclictest25-21ksoftirqd/109:53:351
6200993024,3cyclictest25-21ksoftirqd/107:50:131
6199993024,4cyclictest9-21ksoftirqd/007:17:170
6200992925,2cyclictest25-21ksoftirqd/108:50:161
6200992924,3cyclictest25-21ksoftirqd/112:35:101
6200992924,3cyclictest25-21ksoftirqd/111:51:341
6200992924,3cyclictest25-21ksoftirqd/110:48:361
6200992924,3cyclictest25-21ksoftirqd/110:33:371
6200992924,3cyclictest25-21ksoftirqd/110:06:361
6199992923,4cyclictest9-21ksoftirqd/011:21:050
6200992823,3cyclictest25-21ksoftirqd/108:16:031
6200992822,4cyclictest25-21ksoftirqd/112:06:501
6200992822,4cyclictest25-21ksoftirqd/108:44:521
6199992823,3cyclictest9-21ksoftirqd/012:15:270
6200992520,3cyclictest25-21ksoftirqd/111:35:191
6200992520,3cyclictest25-21ksoftirqd/109:04:371
6200992419,3cyclictest25-21ksoftirqd/111:05:101
6200992419,3cyclictest25-21ksoftirqd/108:38:281
6200992015,3cyclictest29722-21irqstats09:05:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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