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2026-03-23 - 20:40
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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 all highest latencies:
System rackdslot2.osadl.org (updated Mon Mar 23, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591236169,22phc2sys0-21swapper/307:06:063
288602226180,35sleep10-21swapper/107:08:591
286752205170,23sleep20-21swapper/207:06:352
268152201168,22sleep00-21swapper/007:05:090
2112821530,5sleep32924299cyclictest10:15:143
12442830,5sleep227567-1kworker/2:1H11:50:002
12442830,5sleep227567-1kworker/2:1H11:50:002
187402670,2sleep10-21swapper/109:00:271
29240996026,5cyclictest25-21ksoftirqd/108:20:001
29240995826,7cyclictest25-21ksoftirqd/108:44:591
2924099556,9cyclictest25-21ksoftirqd/110:40:001
2924099549,9cyclictest25-21ksoftirqd/110:15:001
208352530,1sleep20-21swapper/209:05:252
139291530,1ptp4l401ktimersoftd/310:52:363
29241995133,7cyclictest33-21ksoftirqd/207:25:002
29241995127,17cyclictest33-21ksoftirqd/209:20:262
29241995127,17cyclictest33-21ksoftirqd/209:20:262
29241994930,5cyclictest33-21ksoftirqd/209:55:002
29241994832,5cyclictest33-21ksoftirqd/208:05:202
2924099461,12cyclictest25-21ksoftirqd/108:25:151
139291450,1ptp4l391rcuc/312:00:533
2923999440,41cyclictest7344-21kworker/0:207:45:010
29241994325,8cyclictest33-21ksoftirqd/208:20:142
29241994325,10cyclictest33-21ksoftirqd/208:00:002
29241994237,3cyclictest33-21ksoftirqd/207:40:012
29241994228,4cyclictest33-21ksoftirqd/211:20:192
29241994218,5cyclictest33-21ksoftirqd/208:35:252
139291420,0ptp4l401ktimersoftd/312:25:123
139291420,0ptp4l401ktimersoftd/308:55:153
29241994036,2cyclictest33-21ksoftirqd/212:20:002
29241994035,3cyclictest33-21ksoftirqd/210:00:002
29241994027,11cyclictest33-21ksoftirqd/211:35:242
29241994025,4cyclictest33-21ksoftirqd/210:20:192
29241994022,8cyclictest33-21ksoftirqd/212:00:202
29241994022,8cyclictest33-21ksoftirqd/207:45:142
2924099403,7cyclictest25-21ksoftirqd/112:25:251
29240994036,2cyclictest25-21ksoftirqd/112:05:001
29240994034,3cyclictest25-21ksoftirqd/111:20:001
29242993934,3cyclictest41-21ksoftirqd/311:50:003
29242993934,3cyclictest41-21ksoftirqd/311:50:003
29242993933,4cyclictest41-21ksoftirqd/309:35:243
29241993933,4cyclictest33-21ksoftirqd/210:14:492
29241993925,7cyclictest33-21ksoftirqd/211:30:122
29241993924,8cyclictest33-21ksoftirqd/209:40:152
29241993922,8cyclictest33-21ksoftirqd/208:25:162
29240993923,4cyclictest25-21ksoftirqd/112:20:151
29239993935,2cyclictest9-21ksoftirqd/012:05:000
29239993925,4cyclictest9-21ksoftirqd/007:50:230
29239993918,3cyclictest9-21ksoftirqd/011:55:010
29242993833,3cyclictest41-21ksoftirqd/311:13:513
29242993832,4cyclictest41-21ksoftirqd/308:47:083
29242993832,4cyclictest41-21ksoftirqd/307:19:513
29241993833,3cyclictest33-21ksoftirqd/209:30:002
29241993832,4cyclictest33-21ksoftirqd/211:56:132
29241993832,4cyclictest33-21ksoftirqd/208:12:462
29241993832,3cyclictest33-21ksoftirqd/208:35:002
29241993828,9cyclictest33-21ksoftirqd/211:40:272
29241993824,4cyclictest33-21ksoftirqd/208:45:152
2924099383,3cyclictest121rcu_preempt07:15:271
2924099383,2cyclictest121rcu_preempt09:20:171
2924099383,2cyclictest121rcu_preempt09:20:161
2924099382,3cyclictest25-21ksoftirqd/111:20:241
2923999386,2cyclictest27582-21latency_hist08:15:000
29239993833,3cyclictest9-21ksoftirqd/008:00:280
29239993822,4cyclictest9-21ksoftirqd/010:05:000
2923999381,5cyclictest121rcu_preempt08:20:220
29242993732,3cyclictest41-21ksoftirqd/310:37:083
29242993731,4cyclictest41-21ksoftirqd/310:10:523
29242993731,4cyclictest41-21ksoftirqd/309:52:593
29242993731,4cyclictest41-21ksoftirqd/308:37:213
29242993731,4cyclictest41-21ksoftirqd/308:06:243
29241993733,3cyclictest33-21ksoftirqd/211:05:012
29241993733,3cyclictest33-21ksoftirqd/207:30:002
29241993733,3cyclictest33-21ksoftirqd/207:30:002
29241993732,3cyclictest33-21ksoftirqd/211:05:242
29241993731,4cyclictest33-21ksoftirqd/212:07:172
29241993727,8cyclictest33-21ksoftirqd/207:30:142
29241993725,9cyclictest33-21ksoftirqd/211:10:272
29241993722,5cyclictest33-21ksoftirqd/212:10:182
29241993720,9cyclictest33-21ksoftirqd/212:30:252
29241993719,9cyclictest33-21ksoftirqd/210:52:082
2924099376,3cyclictest121rcu_preempt11:45:181
2924099376,3cyclictest121rcu_preempt11:45:171
2924099374,3cyclictest121rcu_preempt09:55:151
2924099373,3cyclictest121rcu_preempt07:10:141
29240993732,3cyclictest25-21ksoftirqd/112:40:011
29240993732,3cyclictest25-21ksoftirqd/111:55:001
29240993732,3cyclictest25-21ksoftirqd/111:28:091
29240993732,3cyclictest25-21ksoftirqd/108:05:011
29240993732,3cyclictest25-21ksoftirqd/108:00:011
29240993732,3cyclictest25-21ksoftirqd/107:35:001
29240993731,4cyclictest25-21ksoftirqd/110:25:111
29240993731,3cyclictest25-21ksoftirqd/109:10:011
2924099372,3cyclictest121rcu_preempt09:45:231
2924099371,8cyclictest25-21ksoftirqd/111:30:121
29239993733,2cyclictest9-21ksoftirqd/012:39:590
29239993733,2cyclictest9-21ksoftirqd/012:25:000
29239993733,2cyclictest9-21ksoftirqd/012:10:180
29239993733,2cyclictest9-21ksoftirqd/010:40:000
29239993731,4cyclictest9-21ksoftirqd/010:29:190
29239993731,4cyclictest9-21ksoftirqd/009:57:380
29239993725,4cyclictest9-21ksoftirqd/009:20:160
29239993725,4cyclictest9-21ksoftirqd/009:20:160
29239993725,3cyclictest9-21ksoftirqd/007:30:220
29242993631,3cyclictest41-21ksoftirqd/311:55:503
29242993631,3cyclictest41-21ksoftirqd/309:57:063
29242993630,4cyclictest41-21ksoftirqd/312:06:583
29242993630,4cyclictest41-21ksoftirqd/307:11:493
29241993631,3cyclictest33-21ksoftirqd/210:05:002
29241993631,3cyclictest33-21ksoftirqd/208:18:362
2924099366,3cyclictest25-21ksoftirqd/111:55:151
2924099365,2cyclictest25-21ksoftirqd/109:25:271
2924099365,10cyclictest25-21ksoftirqd/109:30:271
2924099363,3cyclictest121rcu_preempt12:15:221
2924099363,2cyclictest121rcu_preempt10:50:141
29240993632,2cyclictest25-21ksoftirqd/107:40:001
29240993631,3cyclictest25-21ksoftirqd/110:30:181
29240993631,3cyclictest25-21ksoftirqd/108:50:241
29240993631,3cyclictest25-21ksoftirqd/108:50:001
29240993631,3cyclictest25-21ksoftirqd/107:50:001
29240993631,2cyclictest25-21ksoftirqd/107:20:121
29240993630,4cyclictest25-21ksoftirqd/109:52:101
29240993629,4cyclictest25-21ksoftirqd/109:38:331
2924099361,2cyclictest121rcu_preempt07:40:191
29239993632,2cyclictest9-21ksoftirqd/011:45:140
29239993632,2cyclictest9-21ksoftirqd/011:45:140
29239993632,2cyclictest9-21ksoftirqd/011:30:000
29239993631,3cyclictest9-21ksoftirqd/011:20:000
29239993631,3cyclictest9-21ksoftirqd/009:20:010
29239993631,3cyclictest9-21ksoftirqd/009:20:000
29239993628,3cyclictest9-21ksoftirqd/008:40:120
29239993624,3cyclictest9-21ksoftirqd/012:05:230
29239993623,4cyclictest9-21ksoftirqd/010:50:140
29239993623,3cyclictest9-21ksoftirqd/011:00:130
29239993623,3cyclictest9-21ksoftirqd/010:20:190
29239993623,3cyclictest9-21ksoftirqd/008:15:260
29239993622,4cyclictest9-21ksoftirqd/010:20:000
29239993620,6cyclictest9-21ksoftirqd/008:25:130
2923999361,5cyclictest121rcu_preempt09:40:120
29242993530,3cyclictest41-21ksoftirqd/311:18:443
29242993530,3cyclictest41-21ksoftirqd/309:33:243
29242993530,3cyclictest41-21ksoftirqd/309:17:303
29242993530,3cyclictest41-21ksoftirqd/309:17:303
29242993529,4cyclictest41-21ksoftirqd/310:31:593
29242993529,4cyclictest41-21ksoftirqd/310:27:573
29242993529,4cyclictest41-21ksoftirqd/309:26:403
2924199359,14cyclictest33-21ksoftirqd/207:15:272
29241993531,3cyclictest33-21ksoftirqd/211:55:002
29241993530,3cyclictest33-21ksoftirqd/210:30:122
29241993530,3cyclictest33-21ksoftirqd/209:35:002
29241993530,3cyclictest33-21ksoftirqd/209:13:152
29241993530,3cyclictest33-21ksoftirqd/209:00:432
29241993530,3cyclictest33-21ksoftirqd/207:10:242
29241993528,4cyclictest33-21ksoftirqd/208:55:122
29241993524,9cyclictest33-21ksoftirqd/207:40:232
2924199350,3cyclictest121rcu_preempt10:55:142
2924099354,2cyclictest121rcu_preempt08:55:141
29240993531,2cyclictest25-21ksoftirqd/112:05:111
29240993531,2cyclictest25-21ksoftirqd/109:10:001
29240993531,2cyclictest25-21ksoftirqd/108:35:011
29240993530,3cyclictest25-21ksoftirqd/110:55:141
29240993529,3cyclictest25-21ksoftirqd/108:35:011
2924099351,8cyclictest25-21ksoftirqd/112:30:141
2924099351,2cyclictest121rcu_preempt11:35:201
2924099351,2cyclictest121rcu_preempt10:45:221
2924099351,10cyclictest25-21ksoftirqd/110:05:241
29239993531,3cyclictest9-21ksoftirqd/007:45:250
29239993529,4cyclictest9-21ksoftirqd/012:31:180
29239993529,4cyclictest9-21ksoftirqd/010:40:580
29239993529,4cyclictest9-21ksoftirqd/009:25:560
29239993529,3cyclictest9-21ksoftirqd/008:05:280
29239993524,3cyclictest9-21ksoftirqd/011:35:180
29239993524,3cyclictest9-21ksoftirqd/007:10:150
29239993523,3cyclictest9-21ksoftirqd/012:15:220
29239993523,3cyclictest9-21ksoftirqd/010:55:180
29239993523,3cyclictest9-21ksoftirqd/007:20:160
29239993522,3cyclictest9-21ksoftirqd/009:30:240
29239993521,3cyclictest9-21ksoftirqd/010:45:220
29239993519,5cyclictest9-21ksoftirqd/008:50:170
2923999350,2cyclictest121rcu_preempt07:55:150
29242993429,3cyclictest41-21ksoftirqd/312:35:553
29242993429,3cyclictest41-21ksoftirqd/311:05:393
29242993429,3cyclictest41-21ksoftirqd/307:47:153
29242993428,4cyclictest41-21ksoftirqd/311:02:403
29242993428,4cyclictest41-21ksoftirqd/308:00:483
29242993428,4cyclictest41-21ksoftirqd/307:23:043
29241993430,3cyclictest33-21ksoftirqd/211:25:252
29241993430,2cyclictest33-21ksoftirqd/210:45:172
29241993430,2cyclictest33-21ksoftirqd/209:35:202
29241993429,3cyclictest33-21ksoftirqd/212:22:582
29241993429,3cyclictest33-21ksoftirqd/211:20:002
29241993428,4cyclictest33-21ksoftirqd/210:36:472
29241993428,4cyclictest33-21ksoftirqd/210:29:212
29241993428,4cyclictest33-21ksoftirqd/207:51:242
29241993428,3cyclictest33-21ksoftirqd/208:02:222
2924199342,3cyclictest121rcu_preempt10:41:532
29241993416,9cyclictest33-21ksoftirqd/210:15:192
2924099344,2cyclictest25-21ksoftirqd/110:20:151
29240993431,2cyclictest25-21ksoftirqd/110:45:001
29240993431,2cyclictest25-21ksoftirqd/109:40:131
29240993429,3cyclictest25-21ksoftirqd/110:15:201
29240993429,3cyclictest25-21ksoftirqd/109:20:001
29240993429,3cyclictest25-21ksoftirqd/109:20:001
29240993429,3cyclictest25-21ksoftirqd/108:05:151
29240993429,3cyclictest25-21ksoftirqd/107:30:011
29240993429,3cyclictest25-21ksoftirqd/107:30:011
29240993428,3cyclictest25-21ksoftirqd/111:00:151
2924099342,3cyclictest121rcu_preempt11:10:211
2924099341,3cyclictest121rcu_preempt08:20:141
2924099341,2cyclictest121rcu_preempt12:10:161
29239993430,3cyclictest9-21ksoftirqd/011:20:130
29239993429,3cyclictest9-21ksoftirqd/009:35:130
29239993429,3cyclictest9-21ksoftirqd/009:10:000
29239993429,3cyclictest9-21ksoftirqd/008:35:010
29239993428,4cyclictest9-21ksoftirqd/011:40:440
29239993428,4cyclictest9-21ksoftirqd/007:39:270
29239993424,3cyclictest9-21ksoftirqd/011:10:170
29239993424,3cyclictest9-21ksoftirqd/007:15:280
29239993421,4cyclictest9-21ksoftirqd/009:45:230
29239993417,7cyclictest9-21ksoftirqd/008:50:010
29239993417,6cyclictest9-21ksoftirqd/009:10:150
29242993328,3cyclictest41-21ksoftirqd/310:55:113
29242993328,3cyclictest41-21ksoftirqd/310:22:173
29242993328,3cyclictest41-21ksoftirqd/309:13:483
29242993327,4cyclictest41-21ksoftirqd/309:21:113
29242993327,4cyclictest41-21ksoftirqd/309:21:103
29242993327,4cyclictest41-21ksoftirqd/308:44:393
29242993327,4cyclictest41-21ksoftirqd/308:26:473
29242993327,4cyclictest41-21ksoftirqd/308:17:073
29241993328,3cyclictest33-21ksoftirqd/212:40:002
29241993328,3cyclictest33-21ksoftirqd/210:08:102
29241993328,3cyclictest33-21ksoftirqd/209:46:452
29241993328,3cyclictest33-21ksoftirqd/208:42:072
2924099334,3cyclictest121rcu_preempt11:05:251
29240993328,3cyclictest25-21ksoftirqd/111:40:191
29240993328,3cyclictest25-21ksoftirqd/110:00:141
29240993327,4cyclictest25-21ksoftirqd/108:10:201
29239993329,2cyclictest9-21ksoftirqd/011:06:030
29239993328,3cyclictest9-21ksoftirqd/008:30:130
29239993327,4cyclictest9-21ksoftirqd/010:09:060
29239993321,3cyclictest9-21ksoftirqd/008:55:140
29239993320,3cyclictest9-21ksoftirqd/012:25:130
29239993319,5cyclictest9-21ksoftirqd/011:55:110
29239993319,5cyclictest9-21ksoftirqd/011:30:150
29239993318,5cyclictest9-21ksoftirqd/009:50:270
29242993227,3cyclictest41-21ksoftirqd/312:22:293
29242993227,3cyclictest41-21ksoftirqd/309:07:443
29242993227,3cyclictest41-21ksoftirqd/309:03:033
29242993227,3cyclictest41-21ksoftirqd/308:14:473
29242993226,4cyclictest41-21ksoftirqd/311:30:073
29242993226,4cyclictest41-21ksoftirqd/310:03:183
29241993227,3cyclictest33-21ksoftirqd/212:28:422
29241993221,9cyclictest33-21ksoftirqd/209:15:152
29241993221,9cyclictest33-21ksoftirqd/209:15:152
29240993228,2cyclictest25-21ksoftirqd/107:50:131
29239993227,3cyclictest9-21ksoftirqd/010:30:130
29239993217,6cyclictest9-21ksoftirqd/009:00:150
29239993217,5cyclictest9-21ksoftirqd/007:25:170
29239993217,5cyclictest9-21ksoftirqd/007:25:170
139291320,0ptp4l401ktimersoftd/311:24:573
29242993126,3cyclictest41-21ksoftirqd/310:05:553
29242993125,4cyclictest41-21ksoftirqd/309:45:003
29242993125,4cyclictest41-21ksoftirqd/307:57:593
2924299310,3cyclictest121rcu_preempt10:40:163
29241993114,9cyclictest33-21ksoftirqd/208:52:382
139291310,9ptp4l401ktimersoftd/308:20:233
139291310,0ptp4l401ktimersoftd/310:45:243
29242993026,3cyclictest41-21ksoftirqd/307:30:293
29242993025,3cyclictest41-21ksoftirqd/312:19:403
29242993025,3cyclictest41-21ksoftirqd/311:29:553
29242993025,3cyclictest41-21ksoftirqd/307:53:153
29242993025,3cyclictest41-21ksoftirqd/307:35:143
29239993016,6cyclictest9-21ksoftirqd/010:10:210
139291300,0ptp4l401ktimersoftd/311:50:173
29242992924,3cyclictest41-21ksoftirqd/309:45:443
29242992924,3cyclictest41-21ksoftirqd/308:33:343
29242992924,3cyclictest41-21ksoftirqd/307:28:223
29242992924,3cyclictest41-21ksoftirqd/307:28:213
139291290,7ptp4l401ktimersoftd/311:42:273
139291290,0ptp4l401ktimersoftd/312:11:083
139291290,0ptp4l401ktimersoftd/311:36:103
139291290,0ptp4l401ktimersoftd/307:40:103
29242992823,3cyclictest41-21ksoftirqd/308:52:223
29242992621,3cyclictest41-21ksoftirqd/312:34:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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