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2026-06-25 - 22:47
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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 Thu Jun 25, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18852256197,20sleep00-21swapper/007:06:590
19762235169,22sleep30-21swapper/307:08:063
323922207174,22sleep20-21swapper/207:05:082
21082207173,22sleep10-21swapper/107:09:491
34232670,3sleep20-21swapper/210:35:012
323892610,2sleep30-21swapper/310:25:223
308112600,4sleep130813-21fschecks_count11:30:161
261912590,4sleep326189-21ls10:15:003
27012520,2sleep10-21swapper/108:15:221
49062510,1sleep14883-21needreboot10:35:201
2662994734,11cyclictest33-21ksoftirqd/212:35:012
139291450,1ptp4l401ktimersoftd/307:30:163
269012440,1sleep10-21swapper/112:30:131
2662994430,12cyclictest33-21ksoftirqd/209:35:012
139291430,0ptp4l401ktimersoftd/311:50:243
139291430,0ptp4l401ktimersoftd/311:49:053
139291420,0ptp4l401ktimersoftd/310:41:493
139291420,0ptp4l401ktimersoftd/310:23:483
139291420,0ptp4l401ktimersoftd/310:23:473
2662994135,4cyclictest33-21ksoftirqd/210:14:592
139291410,0ptp4l401ktimersoftd/311:15:013
139291410,0ptp4l401ktimersoftd/308:04:393
2663994032,5cyclictest41-21ksoftirqd/310:35:103
2662994036,2cyclictest33-21ksoftirqd/207:40:002
266199406,6cyclictest25-21ksoftirqd/109:10:271
2661994034,3cyclictest25-21ksoftirqd/107:30:011
2661994034,3cyclictest25-21ksoftirqd/107:20:001
2662993933,3cyclictest33-21ksoftirqd/207:50:002
2661993934,3cyclictest25-21ksoftirqd/112:00:191
266199393,3cyclictest121rcu_preempt09:35:221
2661993933,4cyclictest25-21ksoftirqd/107:50:231
2661993933,3cyclictest25-21ksoftirqd/108:25:141
139291390,0ptp4l401ktimersoftd/307:35:023
2663993833,3cyclictest41-21ksoftirqd/312:35:103
2663993833,3cyclictest41-21ksoftirqd/308:50:123
2663993832,4cyclictest41-21ksoftirqd/311:20:393
2662993832,3cyclictest33-21ksoftirqd/208:25:002
266199384,3cyclictest121rcu_preempt09:40:251
266199384,2cyclictest121rcu_preempt10:00:221
2661993833,2cyclictest25-21ksoftirqd/112:25:131
2661993832,3cyclictest25-21ksoftirqd/112:00:011
2661993832,3cyclictest25-21ksoftirqd/111:10:181
2661993831,4cyclictest25-21ksoftirqd/111:00:021
2660993832,4cyclictest9-21ksoftirqd/010:06:150
2660993831,4cyclictest9-21ksoftirqd/010:02:380
2663993732,3cyclictest41-21ksoftirqd/309:58:013
2663993732,3cyclictest41-21ksoftirqd/309:20:413
2663993731,4cyclictest41-21ksoftirqd/309:47:163
2662993731,4cyclictest33-21ksoftirqd/209:00:092
2662993731,3cyclictest33-21ksoftirqd/209:45:172
266199374,3cyclictest121rcu_preempt11:50:241
2661993733,2cyclictest25-21ksoftirqd/108:35:151
266199373,2cyclictest121rcu_preempt12:15:281
2661993732,3cyclictest25-21ksoftirqd/109:15:011
2661993732,2cyclictest25-21ksoftirqd/110:20:191
2661993732,2cyclictest25-21ksoftirqd/110:20:181
2661993731,3cyclictest25-21ksoftirqd/109:00:271
2661993731,3cyclictest25-21ksoftirqd/108:32:321
266199372,4cyclictest25-21ksoftirqd/109:45:141
266199372,2cyclictest121rcu_preempt07:30:171
266199371,4cyclictest25-21ksoftirqd/111:45:241
266199371,4cyclictest25-21ksoftirqd/110:25:231
2660993732,3cyclictest9-21ksoftirqd/008:35:110
2660993731,4cyclictest9-21ksoftirqd/008:15:300
41298360,2rtkit-daemon0-21swapper/011:12:330
2663993631,3cyclictest41-21ksoftirqd/309:26:183
2663993630,4cyclictest41-21ksoftirqd/311:26:213
2663993630,4cyclictest41-21ksoftirqd/311:10:163
2663993630,4cyclictest41-21ksoftirqd/309:34:033
2663993630,4cyclictest41-21ksoftirqd/308:05:113
2662993631,3cyclictest0-21swapper/207:10:012
2662993630,4cyclictest33-21ksoftirqd/212:02:592
2662993630,4cyclictest33-21ksoftirqd/211:42:162
2662993630,4cyclictest33-21ksoftirqd/211:38:272
2662993630,4cyclictest33-21ksoftirqd/209:25:112
2662993630,4cyclictest33-21ksoftirqd/207:50:332
2662993630,4cyclictest33-21ksoftirqd/207:26:532
2662993625,10cyclictest33-21ksoftirqd/212:10:172
2662993622,12cyclictest33-21ksoftirqd/208:15:162
266199365,6cyclictest121rcu_preempt08:20:131
266199363,3cyclictest121rcu_preempt10:10:231
266199363,2cyclictest121rcu_preempt10:40:221
2661993632,2cyclictest25-21ksoftirqd/110:45:221
2661993632,2cyclictest25-21ksoftirqd/109:05:211
2661993632,2cyclictest25-21ksoftirqd/108:50:171
2661993631,3cyclictest25-21ksoftirqd/112:25:011
2661993631,3cyclictest25-21ksoftirqd/111:25:011
2661993631,3cyclictest25-21ksoftirqd/110:55:571
2661993631,3cyclictest25-21ksoftirqd/109:50:161
2661993631,3cyclictest25-21ksoftirqd/109:30:011
2661993631,3cyclictest25-21ksoftirqd/107:50:001
2661993631,3cyclictest25-21ksoftirqd/107:35:221
2661993631,2cyclictest25-21ksoftirqd/108:05:151
2661993630,4cyclictest25-21ksoftirqd/109:59:061
266199362,3cyclictest121rcu_preempt10:05:181
266199362,2cyclictest121rcu_preempt11:15:231
266199361,3cyclictest121rcu_preempt11:05:211
2660993630,4cyclictest9-21ksoftirqd/011:08:400
2660993630,4cyclictest9-21ksoftirqd/010:53:000
41298350,2rtkit-daemon411-21rtkit-daemon08:56:381
41298350,2rtkit-daemon0-21swapper/009:40:400
2663993530,3cyclictest41-21ksoftirqd/311:06:593
2663993530,3cyclictest41-21ksoftirqd/310:53:513
2663993529,4cyclictest41-21ksoftirqd/310:03:523
2663993529,4cyclictest41-21ksoftirqd/309:19:283
2663993529,4cyclictest41-21ksoftirqd/307:42:033
2662993531,3cyclictest33-21ksoftirqd/210:35:162
2662993531,3cyclictest33-21ksoftirqd/208:30:212
2662993531,2cyclictest33-21ksoftirqd/209:40:002
2662993530,3cyclictest33-21ksoftirqd/210:48:362
2662993530,3cyclictest33-21ksoftirqd/208:57:572
2662993529,4cyclictest33-21ksoftirqd/211:49:302
2662993529,4cyclictest33-21ksoftirqd/209:18:062
2662993529,4cyclictest33-21ksoftirqd/209:06:232
2662993529,3cyclictest33-21ksoftirqd/210:05:182
2661993531,2cyclictest25-21ksoftirqd/110:30:211
2661993530,3cyclictest25-21ksoftirqd/110:15:141
2661993530,3cyclictest25-21ksoftirqd/108:40:121
2661993530,3cyclictest25-21ksoftirqd/107:44:591
2661993529,4cyclictest25-21ksoftirqd/110:53:411
2661993529,3cyclictest25-21ksoftirqd/108:10:131
266199352,2cyclictest121rcu_preempt11:40:211
266199352,2cyclictest121rcu_preempt08:00:251
266199352,2cyclictest121rcu_preempt07:20:261
266199351,2cyclictest121rcu_preempt09:20:141
266199351,2cyclictest121rcu_preempt07:55:261
2660993529,4cyclictest9-21ksoftirqd/012:10:390
2660993529,4cyclictest9-21ksoftirqd/011:48:030
2660993529,4cyclictest9-21ksoftirqd/008:01:050
2663993429,3cyclictest41-21ksoftirqd/311:00:113
2663993429,3cyclictest41-21ksoftirqd/308:49:313
2663993429,3cyclictest41-21ksoftirqd/308:35:173
2663993429,3cyclictest41-21ksoftirqd/308:25:093
2663993429,3cyclictest41-21ksoftirqd/308:19:243
2663993429,3cyclictest41-21ksoftirqd/307:13:093
2663993428,4cyclictest41-21ksoftirqd/312:32:553
2663993428,4cyclictest41-21ksoftirqd/311:57:503
2663993428,4cyclictest41-21ksoftirqd/310:09:223
2663993428,4cyclictest41-21ksoftirqd/309:50:333
2663993428,4cyclictest41-21ksoftirqd/309:10:543
2663993428,3cyclictest41-21ksoftirqd/309:08:373
2663993428,3cyclictest41-21ksoftirqd/307:55:073
2662993430,3cyclictest33-21ksoftirqd/211:09:592
2662993429,3cyclictest33-21ksoftirqd/211:26:352
2662993429,3cyclictest33-21ksoftirqd/211:24:392
2662993429,3cyclictest33-21ksoftirqd/210:55:012
2662993429,3cyclictest33-21ksoftirqd/208:39:292
2662993429,3cyclictest33-21ksoftirqd/207:43:392
2662993429,3cyclictest33-21ksoftirqd/207:35:002
2662993428,4cyclictest33-21ksoftirqd/210:21:412
2662993428,4cyclictest33-21ksoftirqd/210:21:402
2662993428,4cyclictest33-21ksoftirqd/209:21:312
2662993428,4cyclictest33-21ksoftirqd/207:58:182
2662993427,4cyclictest33-21ksoftirqd/212:20:122
266199346,4cyclictest25-21ksoftirqd/112:10:301
2661993430,2cyclictest25-21ksoftirqd/108:50:001
2661993429,2cyclictest25-21ksoftirqd/111:25:141
2661993428,3cyclictest25-21ksoftirqd/111:35:141
266199341,3cyclictest25-21ksoftirqd/107:10:211
266199341,2cyclictest121rcu_preempt12:05:201
2660993429,3cyclictest9-21ksoftirqd/011:44:550
2660993428,4cyclictest9-21ksoftirqd/011:04:480
2660993428,4cyclictest9-21ksoftirqd/009:36:260
2660993428,3cyclictest17847-21sh08:50:000
2660993427,5cyclictest9-21ksoftirqd/012:04:590
2663993328,3cyclictest41-21ksoftirqd/311:32:153
2663993327,4cyclictest41-21ksoftirqd/310:59:163
2662993328,3cyclictest33-21ksoftirqd/211:55:002
2662993328,3cyclictest33-21ksoftirqd/210:17:052
2662993328,3cyclictest33-21ksoftirqd/208:49:082
2662993327,4cyclictest33-21ksoftirqd/212:15:292
2662993327,4cyclictest33-21ksoftirqd/212:07:322
2662993327,4cyclictest33-21ksoftirqd/208:54:352
2662993321,9cyclictest33-21ksoftirqd/208:00:242
2662993319,12cyclictest33-21ksoftirqd/208:30:002
2661993328,3cyclictest25-21ksoftirqd/112:35:101
2661993327,3cyclictest25-21ksoftirqd/109:35:011
2660993328,3cyclictest9-21ksoftirqd/012:19:330
2660993328,3cyclictest9-21ksoftirqd/011:55:100
2660993328,3cyclictest9-21ksoftirqd/011:36:280
2660993328,3cyclictest9-21ksoftirqd/010:25:490
2660993328,3cyclictest9-21ksoftirqd/007:51:110
2660993327,4cyclictest9-21ksoftirqd/011:50:120
2660993327,4cyclictest9-21ksoftirqd/010:45:290
2660993327,4cyclictest9-21ksoftirqd/010:36:220
2660993327,4cyclictest9-21ksoftirqd/010:15:400
2660993327,4cyclictest9-21ksoftirqd/009:55:390
2663993227,3cyclictest41-21ksoftirqd/312:29:553
2663993227,3cyclictest41-21ksoftirqd/312:03:593
2663993227,3cyclictest41-21ksoftirqd/308:55:113
2663993226,4cyclictest41-21ksoftirqd/312:11:133
2662993227,3cyclictest33-21ksoftirqd/210:57:082
2662993227,3cyclictest33-21ksoftirqd/209:55:002
2662993227,2cyclictest33-21ksoftirqd/210:00:012
2662993226,4cyclictest33-21ksoftirqd/210:02:442
2660993227,3cyclictest9-21ksoftirqd/009:45:570
2660993227,3cyclictest9-21ksoftirqd/008:56:330
2660993227,3cyclictest9-21ksoftirqd/008:24:010
2660993227,3cyclictest9-21ksoftirqd/007:57:480
2660993226,4cyclictest9-21ksoftirqd/012:39:560
2660993226,4cyclictest9-21ksoftirqd/011:34:480
2660993226,4cyclictest9-21ksoftirqd/010:33:550
2660993226,4cyclictest9-21ksoftirqd/009:53:300
2660993226,4cyclictest9-21ksoftirqd/008:51:040
2660993226,3cyclictest9-21ksoftirqd/010:10:110
2660993225,4cyclictest9-21ksoftirqd/008:10:110
2663993126,3cyclictest41-21ksoftirqd/310:30:323
2663993126,3cyclictest41-21ksoftirqd/310:16:333
2663993126,3cyclictest41-21ksoftirqd/309:35:183
2663993126,3cyclictest41-21ksoftirqd/307:52:093
2663993126,3cyclictest41-21ksoftirqd/307:45:233
2663993126,3cyclictest41-21ksoftirqd/307:29:513
2663993126,3cyclictest41-21ksoftirqd/307:24:593
2663993125,3cyclictest41-21ksoftirqd/311:41:113
2662993126,3cyclictest33-21ksoftirqd/210:40:462
2662993126,3cyclictest33-21ksoftirqd/208:41:562
2662993126,3cyclictest33-21ksoftirqd/207:23:012
2662993125,4cyclictest33-21ksoftirqd/212:29:292
2660993126,3cyclictest9-21ksoftirqd/011:23:320
2660993126,3cyclictest9-21ksoftirqd/009:17:080
2660993126,3cyclictest9-21ksoftirqd/009:15:000
2660993126,3cyclictest9-21ksoftirqd/007:20:580
2660993125,4cyclictest9-21ksoftirqd/012:34:130
2660993125,4cyclictest9-21ksoftirqd/012:21:530
2660993125,4cyclictest9-21ksoftirqd/010:20:310
2660993125,4cyclictest9-21ksoftirqd/010:20:300
2660993125,4cyclictest9-21ksoftirqd/009:03:200
2660993125,4cyclictest9-21ksoftirqd/007:18:420
139291310,0ptp4l401ktimersoftd/308:12:443
2663993025,3cyclictest41-21ksoftirqd/312:21:133
2663993025,3cyclictest41-21ksoftirqd/312:15:053
2663993025,3cyclictest41-21ksoftirqd/307:18:423
2663993024,4cyclictest41-21ksoftirqd/311:37:283
2663993024,4cyclictest41-21ksoftirqd/309:01:303
2662993025,3cyclictest33-21ksoftirqd/211:15:002
2662993025,3cyclictest33-21ksoftirqd/211:00:142
2662993025,3cyclictest33-21ksoftirqd/210:25:122
2662993025,3cyclictest33-21ksoftirqd/209:40:122
2662993025,3cyclictest33-21ksoftirqd/208:10:512
2662993019,9cyclictest33-21ksoftirqd/212:35:252
2660993025,3cyclictest9-21ksoftirqd/011:25:110
2660993025,3cyclictest9-21ksoftirqd/011:17:220
2660993025,3cyclictest9-21ksoftirqd/010:42:370
2660993025,3cyclictest9-21ksoftirqd/009:20:560
2660993025,3cyclictest9-21ksoftirqd/008:05:560
2660993025,3cyclictest9-21ksoftirqd/007:36:270
2660993024,4cyclictest9-21ksoftirqd/009:29:190
2660993024,4cyclictest9-21ksoftirqd/007:41:150
2660993024,4cyclictest9-21ksoftirqd/007:25:560
266099300,27cyclictest15475-21cron08:45:000
139291300,0ptp4l401ktimersoftd/309:40:453
2663992925,3cyclictest41-21ksoftirqd/308:40:413
2662992925,3cyclictest33-21ksoftirqd/209:15:002
2662992924,3cyclictest33-21ksoftirqd/208:05:132
2662992923,4cyclictest33-21ksoftirqd/211:55:242
2662992918,9cyclictest33-21ksoftirqd/211:30:262
2662992918,9cyclictest33-21ksoftirqd/211:10:252
2660992924,3cyclictest9-21ksoftirqd/010:58:180
2660992924,3cyclictest9-21ksoftirqd/009:31:450
2660992924,3cyclictest9-21ksoftirqd/008:27:210
2660992923,4cyclictest9-21ksoftirqd/012:07:500
139291290,0ptp4l401ktimersoftd/312:05:303
139291290,0ptp4l401ktimersoftd/310:46:243
2662992816,10cyclictest33-21ksoftirqd/207:15:242
2660992823,3cyclictest9-21ksoftirqd/008:30:120
2660992823,3cyclictest9-21ksoftirqd/007:33:400
2660992822,4cyclictest9-21ksoftirqd/009:09:020
2663992621,3cyclictest41-21ksoftirqd/308:34:353
2663992621,3cyclictest41-21ksoftirqd/308:20:123
2660992620,4cyclictest9-21ksoftirqd/012:26:020
2660992520,3cyclictest9-21ksoftirqd/007:13:380
2660992217,3cyclictest9-21ksoftirqd/007:46:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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