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2026-06-17 - 16:10
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Wed Jun 17, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491211177,22phc2sys0-21swapper/307:05:023
281752204171,22sleep10-21swapper/107:05:061
281742204171,22sleep00-21swapper/007:05:050
281712204172,21sleep20-21swapper/207:05:032
139391670,1ptp4l401ktimersoftd/312:10:143
30604996225,6cyclictest33-21ksoftirqd/209:50:132
189502620,2sleep018914-21timerandwakeup08:55:250
30604996123,6cyclictest33-21ksoftirqd/211:55:212
30604996123,6cyclictest33-21ksoftirqd/211:55:212
30604995923,12cyclictest33-21ksoftirqd/210:30:012
30604995829,9cyclictest33-21ksoftirqd/207:45:232
30604995824,11cyclictest33-21ksoftirqd/209:05:122
30604995823,4cyclictest33-21ksoftirqd/207:25:172
30604995821,11cyclictest33-21ksoftirqd/209:25:142
30604995726,9cyclictest33-21ksoftirqd/212:35:232
140762570,2sleep00-21swapper/012:10:000
30604995623,4cyclictest33-21ksoftirqd/212:35:002
30604995523,4cyclictest33-21ksoftirqd/209:15:192
30604995520,11cyclictest33-21ksoftirqd/212:00:242
153902550,2sleep20-21swapper/212:10:192
3060499546,9cyclictest33-21ksoftirqd/209:40:152
30604995422,9cyclictest33-21ksoftirqd/208:00:002
30604995421,5cyclictest33-21ksoftirqd/210:05:242
3060499536,8cyclictest33-21ksoftirqd/208:50:142
3060499535,9cyclictest33-21ksoftirqd/208:45:222
3060499535,8cyclictest33-21ksoftirqd/210:15:172
30604995330,9cyclictest33-21ksoftirqd/210:20:142
30604995228,7cyclictest33-21ksoftirqd/209:39:592
30604995219,5cyclictest33-21ksoftirqd/208:20:152
3060499516,9cyclictest33-21ksoftirqd/211:20:252
3060499515,8cyclictest33-21ksoftirqd/211:00:192
3060499515,8cyclictest33-21ksoftirqd/209:55:212
3060499514,8cyclictest33-21ksoftirqd/210:10:112
3060499513,8cyclictest33-21ksoftirqd/208:39:592
3060499512,8cyclictest33-21ksoftirqd/208:15:132
30604995124,6cyclictest33-21ksoftirqd/211:10:142
30604995119,4cyclictest33-21ksoftirqd/210:50:182
3060499505,9cyclictest33-21ksoftirqd/209:25:012
3060499504,9cyclictest33-21ksoftirqd/208:25:202
3060499504,9cyclictest33-21ksoftirqd/208:10:192
3060499504,8cyclictest33-21ksoftirqd/211:15:172
3060499504,10cyclictest33-21ksoftirqd/210:45:152
30604995027,8cyclictest33-21ksoftirqd/207:55:162
3060499501,5cyclictest0-21swapper/207:34:592
3060499494,6cyclictest33-21ksoftirqd/209:00:242
3060499493,7cyclictest33-21ksoftirqd/208:40:202
3060499493,5cyclictest33-21ksoftirqd/211:25:112
3060499493,10cyclictest33-21ksoftirqd/207:10:162
3060499492,8cyclictest33-21ksoftirqd/207:20:272
30604994918,5cyclictest33-21ksoftirqd/207:35:162
3060499491,6cyclictest33-21ksoftirqd/211:35:002
320852480,4sleep132090-21missed_timers10:30:201
3060499486,9cyclictest33-21ksoftirqd/212:25:182
3060499486,8cyclictest33-21ksoftirqd/210:55:132
3060499485,5cyclictest33-21ksoftirqd/207:40:182
3060499485,11cyclictest33-21ksoftirqd/211:05:132
3060499484,8cyclictest33-21ksoftirqd/212:05:182
3060499483,9cyclictest33-21ksoftirqd/209:30:292
3060499482,10cyclictest33-21ksoftirqd/211:40:242
30604994817,4cyclictest33-21ksoftirqd/212:23:122
3060499480,8cyclictest33-21ksoftirqd/208:05:162
3060499480,6cyclictest33-21ksoftirqd/212:20:012
3060499480,6cyclictest33-21ksoftirqd/209:00:012
3060499477,3cyclictest33-21ksoftirqd/210:00:162
3060499473,6cyclictest33-21ksoftirqd/209:14:592
3060499472,10cyclictest33-21ksoftirqd/210:40:202
3060499465,6cyclictest33-21ksoftirqd/210:40:002
3060499463,9cyclictest33-21ksoftirqd/207:15:152
3060499463,5cyclictest33-21ksoftirqd/208:30:142
3060499462,6cyclictest33-21ksoftirqd/209:45:202
139391460,1ptp4l401ktimersoftd/312:18:533
3060499453,7cyclictest33-21ksoftirqd/211:45:112
3060499451,6cyclictest33-21ksoftirqd/211:50:212
3060499443,9cyclictest33-21ksoftirqd/211:35:222
3060499443,9cyclictest33-21ksoftirqd/210:30:212
30603994426,3cyclictest25-21ksoftirqd/110:11:591
139391440,0ptp4l401ktimersoftd/311:46:113
30603994337,4cyclictest9560-21latency_hist08:40:001
139391430,0ptp4l401ktimersoftd/311:33:163
139391430,0ptp4l401ktimersoftd/311:20:183
139391430,0ptp4l401ktimersoftd/307:48:523
3060499423,9cyclictest33-21ksoftirqd/207:50:232
24532420,1sleep10-21swapper/110:35:261
139391420,1ptp4l401ktimersoftd/310:28:283
139391420,0ptp4l401ktimersoftd/308:11:123
139391420,0ptp4l401ktimersoftd/307:25:123
139391410,33ptp4l0-21swapper/307:10:003
139391410,0ptp4l401ktimersoftd/309:45:133
139391410,0ptp4l401ktimersoftd/308:38:423
57898400,4rtkit-daemon20541-21sensors_temp12:20:241
30605994029,9cyclictest41-21ksoftirqd/307:35:293
139391400,3ptp4l41-21ksoftirqd/309:07:393
30605993934,3cyclictest41-21ksoftirqd/308:20:003
30602993933,3cyclictest9-21ksoftirqd/008:39:590
30605993833,3cyclictest41-21ksoftirqd/310:20:013
30605993832,4cyclictest32255-21fschecks_count09:25:133
30605993832,3cyclictest41-21ksoftirqd/311:44:593
30605993832,3cyclictest41-21ksoftirqd/308:50:003
30603993832,3cyclictest17400-21irqrtprio12:15:171
30602993833,3cyclictest9-21ksoftirqd/008:20:010
57898370,2rtkit-daemon0-21swapper/009:15:230
30605993732,3cyclictest41-21ksoftirqd/310:40:003
30605993732,3cyclictest41-21ksoftirqd/308:00:003
30605993731,4cyclictest41-21ksoftirqd/307:31:033
30605993731,3cyclictest41-21ksoftirqd/310:05:143
30603993732,3cyclictest25-21ksoftirqd/108:08:361
30603993731,4cyclictest25-21ksoftirqd/112:01:121
30602993733,3cyclictest9-21ksoftirqd/011:39:590
30602993732,3cyclictest9-21ksoftirqd/011:09:590
30602993732,3cyclictest9-21ksoftirqd/010:20:000
30602993732,3cyclictest9-21ksoftirqd/010:05:010
30605993632,3cyclictest41-21ksoftirqd/311:00:013
30605993632,3cyclictest41-21ksoftirqd/309:40:003
30605993631,3cyclictest41-21ksoftirqd/311:05:013
30605993631,3cyclictest41-21ksoftirqd/310:50:013
30605993630,4cyclictest41-21ksoftirqd/311:06:593
30605993630,3cyclictest41-21ksoftirqd/312:40:003
30605993630,3cyclictest41-21ksoftirqd/310:00:003
30605993628,6cyclictest41-21ksoftirqd/307:17:043
30603993630,4cyclictest25-21ksoftirqd/108:31:591
30602993631,3cyclictest9-21ksoftirqd/007:39:590
30602993630,3cyclictest9-21ksoftirqd/007:20:010
30602993629,5cyclictest9-21ksoftirqd/009:25:140
139391360,0ptp4l401ktimersoftd/309:41:433
57898350,2rtkit-daemon0-21swapper/111:21:071
30605993531,3cyclictest41-21ksoftirqd/311:40:003
30605993530,3cyclictest41-21ksoftirqd/308:00:183
30605993530,3cyclictest41-21ksoftirqd/307:50:173
30605993529,4cyclictest41-21ksoftirqd/310:21:563
30603993529,4cyclictest25-21ksoftirqd/111:10:411
30603993529,4cyclictest25-21ksoftirqd/110:56:011
30603993529,4cyclictest25-21ksoftirqd/110:42:251
30603993529,4cyclictest25-21ksoftirqd/109:42:351
30603993529,4cyclictest25-21ksoftirqd/109:34:121
30603993529,4cyclictest25-21ksoftirqd/109:09:341
30602993531,2cyclictest9-21ksoftirqd/010:30:010
30602993530,3cyclictest9-21ksoftirqd/010:35:150
30602993529,3cyclictest9-21ksoftirqd/012:35:130
30602993529,3cyclictest9-21ksoftirqd/011:50:100
30605993430,3cyclictest41-21ksoftirqd/312:24:183
30605993430,2cyclictest41-21ksoftirqd/311:30:003
30605993430,2cyclictest41-21ksoftirqd/309:00:243
30605993430,2cyclictest41-21ksoftirqd/307:25:013
30605993429,3cyclictest41-21ksoftirqd/311:55:193
30605993429,3cyclictest41-21ksoftirqd/311:55:183
30605993429,3cyclictest41-21ksoftirqd/311:50:113
30605993429,3cyclictest41-21ksoftirqd/311:20:003
30605993429,3cyclictest41-21ksoftirqd/311:10:203
30605993429,3cyclictest41-21ksoftirqd/310:30:193
30605993429,3cyclictest41-21ksoftirqd/310:00:173
30605993429,3cyclictest41-21ksoftirqd/308:45:003
30605993428,4cyclictest41-21ksoftirqd/312:03:413
30605993428,4cyclictest41-21ksoftirqd/310:13:183
30605993428,4cyclictest41-21ksoftirqd/309:21:423
30603993429,3cyclictest25-21ksoftirqd/109:35:591
30603993428,4cyclictest25-21ksoftirqd/110:06:501
30603993428,4cyclictest25-21ksoftirqd/108:19:231
30603993428,4cyclictest25-21ksoftirqd/107:53:311
30603993428,4cyclictest25-21ksoftirqd/107:45:361
30602993430,2cyclictest9-21ksoftirqd/010:20:130
30602993429,3cyclictest9-21ksoftirqd/008:55:010
30602993427,4cyclictest9-21ksoftirqd/007:31:580
139391340,0ptp4l401ktimersoftd/308:55:263
30605993330,2cyclictest41-21ksoftirqd/308:55:003
30605993329,3cyclictest41-21ksoftirqd/309:15:153
30605993328,3cyclictest551-21rs:main3
30605993327,4cyclictest41-21ksoftirqd/308:32:133
30605993327,4cyclictest41-21ksoftirqd/307:44:433
30603993328,3cyclictest25-21ksoftirqd/110:00:101
30603993328,3cyclictest25-21ksoftirqd/109:23:161
30602993329,2cyclictest9-21ksoftirqd/009:44:590
30602993329,2cyclictest9-21ksoftirqd/008:50:010
30602993328,3cyclictest9-21ksoftirqd/011:20:000
30602993328,3cyclictest9-21ksoftirqd/010:44:590
30602993328,3cyclictest9-21ksoftirqd/010:10:000
30602993328,3cyclictest9-21ksoftirqd/009:35:010
30602993328,2cyclictest9-21ksoftirqd/012:20:200
30602993327,4cyclictest9-21ksoftirqd/012:30:460
30602993327,4cyclictest9-21ksoftirqd/012:28:020
30602993327,4cyclictest9-21ksoftirqd/012:18:240
30602993327,4cyclictest9-21ksoftirqd/011:02:090
30602993327,4cyclictest9-21ksoftirqd/009:52:520
30602993327,4cyclictest9-21ksoftirqd/009:38:440
30602993327,3cyclictest9-21ksoftirqd/010:45:170
30602993327,3cyclictest747-21cron10:35:010
139391330,0ptp4l401ktimersoftd/310:40:143
30605993227,3cyclictest41-21ksoftirqd/312:25:123
30605993227,3cyclictest41-21ksoftirqd/312:10:003
30605993227,3cyclictest41-21ksoftirqd/309:50:003
30605993226,4cyclictest41-21ksoftirqd/309:12:003
30603993227,3cyclictest25-21ksoftirqd/108:57:441
30603993226,4cyclictest25-21ksoftirqd/112:14:591
30603993226,4cyclictest25-21ksoftirqd/111:16:141
30603993226,4cyclictest25-21ksoftirqd/111:07:001
30603993226,4cyclictest25-21ksoftirqd/109:28:181
30603993226,4cyclictest25-21ksoftirqd/108:44:381
30603993226,4cyclictest25-21ksoftirqd/108:12:371
30603993226,4cyclictest25-21ksoftirqd/108:00:381
30602993229,2cyclictest9-21ksoftirqd/009:00:190
30602993228,2cyclictest9-21ksoftirqd/008:00:270
30602993227,3cyclictest9-21ksoftirqd/012:05:000
30602993227,3cyclictest9-21ksoftirqd/008:00:000
30602993226,4cyclictest9-21ksoftirqd/007:11:460
30603993126,3cyclictest25-21ksoftirqd/109:10:371
30603993125,4cyclictest25-21ksoftirqd/112:30:091
30603993125,4cyclictest25-21ksoftirqd/110:28:201
30603993125,4cyclictest25-21ksoftirqd/110:17:341
30603993125,4cyclictest25-21ksoftirqd/109:17:001
30603993125,4cyclictest25-21ksoftirqd/109:01:071
30602993127,2cyclictest9-21ksoftirqd/007:45:010
30602993127,2cyclictest16156-21wc10:00:010
30602993126,3cyclictest9-21ksoftirqd/011:45:320
30602993126,3cyclictest9-21ksoftirqd/011:25:010
30602993126,3cyclictest9-21ksoftirqd/010:57:240
30602993126,3cyclictest9-21ksoftirqd/008:30:120
30602993126,3cyclictest9-21ksoftirqd/007:26:430
30602993126,2cyclictest9-21ksoftirqd/007:55:010
30602993125,4cyclictest9-21ksoftirqd/011:58:010
30602993125,4cyclictest9-21ksoftirqd/011:58:010
30602993125,4cyclictest9-21ksoftirqd/008:07:140
30602993125,4cyclictest9-21ksoftirqd/007:21:010
139391310,9ptp4l0-21swapper/309:33:013
30603993024,4cyclictest25-21ksoftirqd/111:51:091
30603993024,4cyclictest25-21ksoftirqd/111:41:341
30603993024,4cyclictest25-21ksoftirqd/111:26:331
30603993024,4cyclictest25-21ksoftirqd/110:54:481
30603993024,4cyclictest25-21ksoftirqd/110:23:501
30603993024,4cyclictest25-21ksoftirqd/109:58:591
30603993024,4cyclictest25-21ksoftirqd/109:45:361
30603993024,4cyclictest25-21ksoftirqd/108:28:091
30603993024,4cyclictest25-21ksoftirqd/107:58:411
30603993024,4cyclictest25-21ksoftirqd/107:33:221
30603993024,4cyclictest25-21ksoftirqd/107:18:361
30602993025,3cyclictest9-21ksoftirqd/012:15:010
30602993025,3cyclictest9-21ksoftirqd/008:14:040
30602993024,4cyclictest9-21ksoftirqd/011:42:120
30602993024,4cyclictest9-21ksoftirqd/010:52:340
30602993024,4cyclictest9-21ksoftirqd/008:22:470
30602993024,3cyclictest9-21ksoftirqd/009:48:310
30605992923,4cyclictest41-21ksoftirqd/308:07:463
30605992918,9cyclictest41-21ksoftirqd/308:20:273
3060599290,5cyclictest121rcu_preempt08:25:203
30603992924,3cyclictest25-21ksoftirqd/111:39:121
30603992924,3cyclictest25-21ksoftirqd/109:53:271
30603992924,3cyclictest13910-21cron12:10:001
30603992923,4cyclictest25-21ksoftirqd/111:48:111
30603992923,4cyclictest25-21ksoftirqd/111:30:301
30603992923,4cyclictest25-21ksoftirqd/107:37:351
30603992923,4cyclictest25-21ksoftirqd/107:22:551
30602992925,3cyclictest9-21ksoftirqd/008:30:000
30602992924,3cyclictest9-21ksoftirqd/011:25:170
139391290,0ptp4l401ktimersoftd/312:33:383
30603992823,3cyclictest25-21ksoftirqd/107:45:001
30602992824,2cyclictest9-21ksoftirqd/007:45:180
30602992823,3cyclictest9-21ksoftirqd/011:10:390
30602992823,3cyclictest9-21ksoftirqd/009:06:590
30603992722,3cyclictest25-21ksoftirqd/108:54:551
30603992722,3cyclictest25-21ksoftirqd/107:14:381
30603992721,4cyclictest25-21ksoftirqd/111:56:181
30603992721,4cyclictest25-21ksoftirqd/111:56:171
30603992721,4cyclictest25-21ksoftirqd/108:23:511
30602992722,3cyclictest9-21ksoftirqd/009:20:140
30602992621,3cyclictest9-21ksoftirqd/011:30:180
30602992522,2cyclictest9-21ksoftirqd/009:10:200
30602992521,2cyclictest9-21ksoftirqd/010:10:160
30603992419,3cyclictest25-21ksoftirqd/112:39:551
30603992419,3cyclictest25-21ksoftirqd/111:04:031
30603992419,3cyclictest25-21ksoftirqd/110:46:231
30603992419,3cyclictest25-21ksoftirqd/108:45:341
30602992420,3cyclictest9-21ksoftirqd/008:40:250
30603992318,3cyclictest25-21ksoftirqd/107:27:591
30603991914,3cyclictest22925-21switchtime12:25:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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