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2026-04-14 - 21:53
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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 rackdslot3.osadl.org (updated Tue Apr 14, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225342205172,22sleep30-21swapper/307:07:313
225082204172,21sleep20-21swapper/207:07:092
225072200167,22sleep10-21swapper/107:07:091
225062199167,22sleep00-21swapper/007:07:070
95932650,4sleep29588-21cron10:05:012
23028996329,6cyclictest33-21ksoftirqd/211:05:142
264322620,3sleep00-21swapper/011:45:190
83792600,4sleep38372-21turbostat11:10:003
139391600,7ptp4l401ktimersoftd/307:55:433
139391590,8ptp4l401ktimersoftd/311:57:413
23028995822,6cyclictest33-21ksoftirqd/209:55:202
23028995727,5cyclictest33-21ksoftirqd/207:30:192
23028995726,5cyclictest33-21ksoftirqd/212:05:002
23028995626,5cyclictest33-21ksoftirqd/212:30:042
23028995621,8cyclictest33-21ksoftirqd/211:33:412
23028995620,8cyclictest33-21ksoftirqd/210:54:022
23028995620,5cyclictest33-21ksoftirqd/211:45:222
23028995522,7cyclictest33-21ksoftirqd/211:15:252
23028995421,8cyclictest33-21ksoftirqd/208:09:552
23028995419,10cyclictest33-21ksoftirqd/207:45:152
23028995321,6cyclictest33-21ksoftirqd/212:25:272
23028995321,3cyclictest33-21ksoftirqd/210:45:232
23028995320,5cyclictest33-21ksoftirqd/209:40:162
23028995221,10cyclictest33-21ksoftirqd/210:30:002
23028995220,9cyclictest33-21ksoftirqd/212:24:002
23028995220,5cyclictest33-21ksoftirqd/209:20:182
2302899515,7cyclictest33-21ksoftirqd/208:45:262
23028995124,6cyclictest33-21ksoftirqd/210:15:262
23028995121,8cyclictest33-21ksoftirqd/207:23:212
2302899506,7cyclictest33-21ksoftirqd/209:15:222
2302899506,6cyclictest33-21ksoftirqd/209:50:232
2302899505,4cyclictest0-21swapper/209:10:142
2302899504,9cyclictest33-21ksoftirqd/211:25:152
23028995021,8cyclictest33-21ksoftirqd/209:48:182
2302899496,10cyclictest33-21ksoftirqd/208:35:002
2302899495,10cyclictest33-21ksoftirqd/212:15:002
2302899494,8cyclictest33-21ksoftirqd/210:55:152
23028994919,5cyclictest33-21ksoftirqd/208:50:142
23028994917,5cyclictest33-21ksoftirqd/210:40:162
2302899484,7cyclictest33-21ksoftirqd/209:00:252
2302899483,7cyclictest33-21ksoftirqd/208:05:012
2302899483,6cyclictest33-21ksoftirqd/207:15:132
23028994815,7cyclictest33-21ksoftirqd/212:05:272
2302899475,8cyclictest33-21ksoftirqd/209:40:002
2302899475,6cyclictest33-21ksoftirqd/211:20:212
2302899474,5cyclictest33-21ksoftirqd/211:00:242
2302899473,6cyclictest33-21ksoftirqd/207:40:212
2302899473,4cyclictest33-21ksoftirqd/209:25:142
2302899472,5cyclictest33-21ksoftirqd/207:55:252
23028994716,5cyclictest33-21ksoftirqd/212:35:232
2302899466,10cyclictest33-21ksoftirqd/212:15:272
2302899465,9cyclictest33-21ksoftirqd/210:05:212
2302899465,7cyclictest33-21ksoftirqd/208:55:152
2302899465,6cyclictest33-21ksoftirqd/209:05:182
2302899464,5cyclictest33-21ksoftirqd/208:25:242
2302899461,7cyclictest33-21ksoftirqd/211:15:002
2302899461,5cyclictest33-21ksoftirqd/207:35:242
282722450,2sleep10-21swapper/108:25:231
2302899455,4cyclictest33-21ksoftirqd/210:35:142
2302899454,8cyclictest33-21ksoftirqd/209:30:182
2302899454,7cyclictest33-21ksoftirqd/208:20:212
2302899452,5cyclictest33-21ksoftirqd/208:40:152
2302899451,8cyclictest33-21ksoftirqd/207:50:122
23028994518,8cyclictest33-21ksoftirqd/211:45:002
2302899451,5cyclictest33-21ksoftirqd/211:50:232
2302899451,11cyclictest33-21ksoftirqd/208:15:252
2302699449,22cyclictest32274-21seq07:29:460
139391440,0ptp4l401ktimersoftd/309:42:573
2302899436,8cyclictest33-21ksoftirqd/208:35:272
2302899435,9cyclictest33-21ksoftirqd/210:10:132
2302899435,6cyclictest33-21ksoftirqd/210:30:212
2302899434,5cyclictest33-21ksoftirqd/212:00:002
2302899434,4cyclictest33-21ksoftirqd/207:10:242
2302899433,7cyclictest33-21ksoftirqd/208:10:222
139391430,0ptp4l401ktimersoftd/308:13:093
139391430,0ptp4l401ktimersoftd/307:41:373
2302899423,7cyclictest33-21ksoftirqd/211:40:002
23027994237,3cyclictest25-21ksoftirqd/110:20:011
139391420,0ptp4l401ktimersoftd/308:40:063
23029994134,4cyclictest29929-21cron07:25:013
2302899413,3cyclictest33-21ksoftirqd/207:25:172
2302899410,6cyclictest33-21ksoftirqd/210:22:192
23027994035,3cyclictest25-21ksoftirqd/109:05:011
23027993935,2cyclictest25-21ksoftirqd/111:55:001
23027993934,3cyclictest25-21ksoftirqd/110:15:001
134391390,1getstats5627-1kworker/3:2H07:45:593
23027993832,3cyclictest25-21ksoftirqd/107:30:181
2302699384,2cyclictest57898rtkit-daemon08:48:300
23029993732,3cyclictest41-21ksoftirqd/307:55:013
23027993734,2cyclictest25-21ksoftirqd/108:05:011
23027993732,3cyclictest25-21ksoftirqd/112:05:001
23027993732,3cyclictest25-21ksoftirqd/111:40:221
23027993731,4cyclictest25-21ksoftirqd/109:28:161
23027993731,4cyclictest25-21ksoftirqd/108:40:311
23027993730,4cyclictest25-21ksoftirqd/109:58:591
139391370,0ptp4l401ktimersoftd/311:39:093
23029993629,5cyclictest41-21ksoftirqd/308:35:013
23027993632,3cyclictest25-21ksoftirqd/110:30:001
23027993631,3cyclictest25-21ksoftirqd/112:15:201
23027993631,3cyclictest25-21ksoftirqd/111:10:121
23027993631,3cyclictest25-21ksoftirqd/110:55:221
23027993630,4cyclictest25-21ksoftirqd/112:35:001
23027993630,4cyclictest25-21ksoftirqd/111:47:381
23027993630,4cyclictest25-21ksoftirqd/109:19:351
23027993630,3cyclictest25-21ksoftirqd/111:20:011
23027993629,4cyclictest25-21ksoftirqd/107:17:271
23029993529,4cyclictest41-21ksoftirqd/311:29:173
23029993529,4cyclictest41-21ksoftirqd/310:18:463
23029993529,4cyclictest41-21ksoftirqd/308:06:183
2302999350,3cyclictest121rcu_preempt09:04:153
23027993531,3cyclictest25-21ksoftirqd/108:35:011
23027993531,2cyclictest25-21ksoftirqd/111:05:001
23027993531,2cyclictest25-21ksoftirqd/108:10:161
23027993530,3cyclictest25-21ksoftirqd/111:20:161
23027993530,3cyclictest25-21ksoftirqd/110:40:191
23027993530,3cyclictest25-21ksoftirqd/110:40:001
23027993530,3cyclictest25-21ksoftirqd/110:24:091
23027993530,3cyclictest25-21ksoftirqd/108:45:181
23027993530,3cyclictest25-21ksoftirqd/108:40:001
23027993529,4cyclictest25-21ksoftirqd/112:07:461
23027993529,4cyclictest25-21ksoftirqd/108:58:111
23027993529,4cyclictest25-21ksoftirqd/108:16:481
23027993529,4cyclictest25-21ksoftirqd/107:41:131
23027993529,3cyclictest25-21ksoftirqd/112:10:181
23027993529,3cyclictest25-21ksoftirqd/110:50:001
23027993528,5cyclictest25-21ksoftirqd/110:00:581
23029993428,4cyclictest41-21ksoftirqd/311:19:393
23029993428,4cyclictest41-21ksoftirqd/309:39:543
23029993428,4cyclictest41-21ksoftirqd/308:02:143
23029993428,3cyclictest41-21ksoftirqd/308:49:203
23029993414,17cyclictest24766-21sh10:35:183
23029993412,3cyclictest5068-21/usr/sbin/munin09:55:213
23027993430,3cyclictest25-21ksoftirqd/110:09:291
23027993430,2cyclictest25-21ksoftirqd/110:50:181
23027993430,2cyclictest25-21ksoftirqd/108:25:001
23027993429,3cyclictest25-21ksoftirqd/112:40:001
23027993429,3cyclictest25-21ksoftirqd/112:25:141
23027993429,3cyclictest25-21ksoftirqd/111:10:001
23027993429,3cyclictest25-21ksoftirqd/109:39:591
23027993429,3cyclictest25-21ksoftirqd/109:20:191
23027993429,3cyclictest25-21ksoftirqd/107:55:131
23027993429,3cyclictest25-21ksoftirqd/107:10:111
23027993428,4cyclictest25-21ksoftirqd/111:26:181
23027993428,4cyclictest25-21ksoftirqd/109:06:431
23027993428,4cyclictest25-21ksoftirqd/108:09:451
23027993428,4cyclictest25-21ksoftirqd/107:36:121
23026993429,3cyclictest9-21ksoftirqd/010:07:070
23026993429,3cyclictest9-21ksoftirqd/009:00:110
23026993428,4cyclictest9-21ksoftirqd/012:05:370
23026993428,4cyclictest9-21ksoftirqd/011:55:580
23026993427,5cyclictest9-21ksoftirqd/008:09:210
2302699340,4cyclictest207-21systemd-journal11:20:000
23029993327,4cyclictest41-21ksoftirqd/311:32:353
23029993327,4cyclictest41-21ksoftirqd/307:36:583
23029993327,4cyclictest41-21ksoftirqd/307:31:123
23029993327,3cyclictest41-21ksoftirqd/310:50:103
23029993313,3cyclictest1406-21/usr/sbin/munin10:55:253
23029993311,4cyclictest25977-21fschecks_count09:30:143
23027993329,3cyclictest25-21ksoftirqd/109:15:001
23027993329,2cyclictest26225-21irqrtprio09:30:171
23027993329,2cyclictest25-21ksoftirqd/107:50:001
23027993328,3cyclictest25-21ksoftirqd/111:55:171
23027993328,3cyclictest25-21ksoftirqd/108:50:131
23027993327,4cyclictest25-21ksoftirqd/111:36:101
23027993327,4cyclictest25-21ksoftirqd/111:32:571
23027993327,4cyclictest25-21ksoftirqd/109:50:031
23027993327,4cyclictest25-21ksoftirqd/109:47:591
23027993327,4cyclictest25-21ksoftirqd/107:26:581
2302699339,21cyclictest1604-21switchtime07:30:250
23026993327,4cyclictest9-21ksoftirqd/012:27:230
23026993327,4cyclictest9-21ksoftirqd/010:37:390
23026993327,4cyclictest9-21ksoftirqd/008:36:160
23026993327,4cyclictest9-21ksoftirqd/007:57:050
23026993327,3cyclictest9-21ksoftirqd/011:30:430
23026993310,20cyclictest17894-21basename12:35:190
2302699330,4cyclictest22893-21latency_hist11:40:000
139391330,0ptp4l401ktimersoftd/312:10:263
2302999329,3cyclictest23119-21/usr/sbin/munin11:40:243
23029993227,3cyclictest41-21ksoftirqd/308:26:213
23029993227,3cyclictest41-21ksoftirqd/307:29:333
23029993226,4cyclictest41-21ksoftirqd/311:21:353
23029993226,4cyclictest41-21ksoftirqd/308:39:413
23029993212,2cyclictest29080-21/usr/sbin/munin10:45:243
23029993211,3cyclictest9899-21cat10:05:123
23027993227,3cyclictest25-21ksoftirqd/107:24:091
23027993226,4cyclictest25-21ksoftirqd/112:20:581
23027993226,4cyclictest25-21ksoftirqd/110:32:361
2302699327,22cyclictest24797-21sed11:40:290
23026993227,3cyclictest9-21ksoftirqd/009:20:120
23026993227,3cyclictest9-21ksoftirqd/008:23:580
23026993227,3cyclictest9-21ksoftirqd/008:15:130
23026993227,3cyclictest9-21ksoftirqd/008:04:520
23026993227,3cyclictest9-21ksoftirqd/007:11:260
23026993226,4cyclictest9-21ksoftirqd/010:33:300
23026993226,4cyclictest9-21ksoftirqd/010:13:250
23026993226,4cyclictest9-21ksoftirqd/009:55:070
23026993226,4cyclictest9-21ksoftirqd/007:38:490
23026993226,3cyclictest9-21ksoftirqd/012:31:170
23026993213,16cyclictest21868-21sed08:15:000
139391320,9ptp4l0-21swapper/310:00:443
139391320,0ptp4l401ktimersoftd/307:13:593
23029993126,3cyclictest41-21ksoftirqd/311:46:353
23029993125,4cyclictest41-21ksoftirqd/312:36:493
23029993125,4cyclictest41-21ksoftirqd/312:00:343
23029993111,3cyclictest15193-21ls12:30:153
23029993110,4cyclictest18208-21phc2sys10:20:223
23027993128,2cyclictest25-21ksoftirqd/107:50:181
23027993126,3cyclictest25-21ksoftirqd/109:42:141
23026993126,3cyclictest9-21ksoftirqd/012:25:000
23026993126,3cyclictest9-21ksoftirqd/011:50:520
23026993126,3cyclictest9-21ksoftirqd/011:14:380
23026993126,3cyclictest9-21ksoftirqd/010:02:580
23026993126,3cyclictest9-21ksoftirqd/009:34:220
23026993126,3cyclictest9-21ksoftirqd/009:27:200
23026993126,3cyclictest9-21ksoftirqd/009:11:100
23026993125,4cyclictest9-21ksoftirqd/011:28:500
23026993125,4cyclictest9-21ksoftirqd/010:21:390
23026993125,4cyclictest9-21ksoftirqd/009:05:110
23026993125,4cyclictest9-21ksoftirqd/008:30:010
23026993110,19cyclictest29503-21df_abs08:30:150
139391310,0ptp4l401ktimersoftd/308:15:443
2302999308,4cyclictest28431-21if_enp1s011:50:163
23029993011,3cyclictest23191-21/usr/sbin/munin09:25:253
23029993010,3cyclictest21643-21cut10:30:013
23026993025,3cyclictest9-21ksoftirqd/011:08:400
23026993025,3cyclictest9-21ksoftirqd/011:00:430
23026993025,3cyclictest9-21ksoftirqd/009:45:210
23029992924,3cyclictest41-21ksoftirqd/312:25:133
23029992924,3cyclictest41-21ksoftirqd/308:54:063
23029992923,4cyclictest41-21ksoftirqd/310:44:283
23029992923,4cyclictest41-21ksoftirqd/309:54:313
23029992912,3cyclictest1308-21sshd09:23:073
2302699297,19cyclictest7794-21cat12:15:140
23026992924,3cyclictest9-21ksoftirqd/007:51:310
23026992923,4cyclictest9-21ksoftirqd/012:01:080
23026992923,4cyclictest9-21ksoftirqd/010:15:110
23026992923,4cyclictest9-21ksoftirqd/008:56:550
23026992923,4cyclictest9-21ksoftirqd/007:45:340
23026992912,15cyclictest18771-21df_abs09:15:140
2302699290,3cyclictest152772chrt11:21:480
2302699290,2cyclictest121rcu_preempt10:25:090
23029992823,3cyclictest41-21ksoftirqd/312:05:123
23029992823,3cyclictest41-21ksoftirqd/310:10:473
23029992823,3cyclictest41-21ksoftirqd/309:14:053
23029992822,4cyclictest41-21ksoftirqd/312:23:253
2302699288,17cyclictest29676-21seq07:21:520
2302699288,17cyclictest26053-21interrupts07:15:140
2302699287,18cyclictest3372-21irqrtprio09:50:180
2302699285,3cyclictest31727-21cut09:40:260
23026992823,3cyclictest9-21ksoftirqd/010:57:140
23026992822,4cyclictest9-21ksoftirqd/008:40:090
23029992722,3cyclictest41-21ksoftirqd/312:15:313
23029992722,3cyclictest41-21ksoftirqd/311:14:063
23029992722,3cyclictest41-21ksoftirqd/309:16:443
23029992722,3cyclictest41-21ksoftirqd/307:15:133
2302699270,3cyclictest28855-21irqstats09:35:210
23029992621,3cyclictest41-21ksoftirqd/310:33:203
23029992621,3cyclictest41-21ksoftirqd/309:49:573
2302699268,15cyclictest70042chrt12:10:460
2302699266,3cyclictest28165-21unixbench_multi10:40:280
2302699264,3cyclictest6088-21/usr/sbin/munin07:40:220
23026992610,14cyclictest32110-21sed10:50:190
23029992520,3cyclictest41-21ksoftirqd/308:56:293
2302699254,18cyclictest0-21swapper/010:45:190
23026992519,4cyclictest9-21ksoftirqd/008:50:530
139391240,0ptp4l401ktimersoftd/311:00:193
139391240,0ptp4l401ktimersoftd/308:20:223
139391230,0ptp4l401ktimersoftd/309:05:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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