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2025-12-29 - 20:09
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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 rackdslot4.osadl.org (updated Mon Dec 29, 2025 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
259162202170,21sleep20-21swapper/207:08:272
138591202168,23phc2sys0-21swapper/307:07:523
258282201168,22sleep10-21swapper/107:07:191
258222201166,23sleep00-21swapper/007:07:130
111932640,5sleep341-21ksoftirqd/309:50:393
41292630,4sleep22633299cyclictest11:50:012
26333996230,8cyclictest41-21ksoftirqd/310:30:223
26333996230,8cyclictest41-21ksoftirqd/310:30:223
150502610,2sleep20-21swapper/211:05:162
248052580,4sleep00-21swapper/012:30:180
26333995728,7cyclictest41-21ksoftirqd/308:55:283
26333995726,10cyclictest41-21ksoftirqd/310:55:013
26333995625,8cyclictest41-21ksoftirqd/309:55:153
26333995624,10cyclictest41-21ksoftirqd/308:30:013
26333995620,7cyclictest41-21ksoftirqd/310:49:143
26333995528,8cyclictest41-21ksoftirqd/309:45:263
26333995526,7cyclictest41-21ksoftirqd/311:35:173
26333995522,7cyclictest41-21ksoftirqd/312:10:143
26333995521,7cyclictest41-21ksoftirqd/312:21:253
26333995521,7cyclictest41-21ksoftirqd/307:31:293
26333995521,7cyclictest41-21ksoftirqd/307:31:293
26333995422,8cyclictest41-21ksoftirqd/307:55:153
26333995421,7cyclictest41-21ksoftirqd/311:20:163
26333995419,7cyclictest41-21ksoftirqd/308:03:433
26333995328,8cyclictest41-21ksoftirqd/312:40:003
26333995325,7cyclictest41-21ksoftirqd/312:05:243
26333995321,7cyclictest41-21ksoftirqd/309:00:233
26333995319,7cyclictest41-21ksoftirqd/311:34:233
2633399526,8cyclictest41-21ksoftirqd/312:00:173
2633399525,8cyclictest41-21ksoftirqd/308:30:303
2633399525,8cyclictest41-21ksoftirqd/308:30:293
2633399525,7cyclictest2057-21cstates07:25:133
2633399523,5cyclictest41-21ksoftirqd/310:10:243
26333995219,8cyclictest41-21ksoftirqd/311:12:023
2633399515,8cyclictest41-21ksoftirqd/310:25:213
2633399513,6cyclictest41-21ksoftirqd/311:15:263
26333995126,7cyclictest41-21ksoftirqd/307:50:223
26333995119,7cyclictest41-21ksoftirqd/309:35:153
2633399505,8cyclictest41-21ksoftirqd/309:30:003
2633399505,8cyclictest41-21ksoftirqd/309:10:133
2633399505,6cyclictest41-21ksoftirqd/308:15:143
2633399504,9cyclictest41-21ksoftirqd/308:40:133
2633399503,5cyclictest41-21ksoftirqd/311:40:243
26333995021,6cyclictest41-21ksoftirqd/312:15:253
26333995019,7cyclictest41-21ksoftirqd/309:21:413
2633399500,12cyclictest41-21ksoftirqd/311:50:013
2633399496,9cyclictest41-21ksoftirqd/307:40:263
2633399495,6cyclictest4125-21sleep10:45:003
2633399495,6cyclictest41-21ksoftirqd/309:30:283
2633399495,6cyclictest41-21ksoftirqd/308:35:143
2633399495,4cyclictest41-21ksoftirqd/307:45:143
2633399493,8cyclictest41-21ksoftirqd/308:10:223
2633399493,5cyclictest41-21ksoftirqd/309:05:203
26333994921,4cyclictest41-21ksoftirqd/310:05:193
2633099494,42cyclictest223-21systemd-journal11:50:020
2633399485,7cyclictest41-21ksoftirqd/310:20:193
2633399485,4cyclictest26329-21cyclictest11:08:263
2633399484,7cyclictest41-21ksoftirqd/307:19:593
2633399483,6cyclictest41-21ksoftirqd/310:00:133
2633399483,6cyclictest41-21ksoftirqd/310:00:133
2633399483,5cyclictest41-21ksoftirqd/310:40:003
2633399475,6cyclictest41-21ksoftirqd/308:45:143
2633399475,6cyclictest24231-21/usr/sbin/munin11:25:233
2633399474,8cyclictest41-21ksoftirqd/312:25:123
2633399474,7cyclictest41-21ksoftirqd/308:50:193
2633399474,4cyclictest41-21ksoftirqd/312:30:243
2633399474,4cyclictest41-21ksoftirqd/309:40:193
26333994712,8cyclictest41-21ksoftirqd/308:24:083
2633399465,7cyclictest41-21ksoftirqd/310:55:263
2633399465,6cyclictest41-21ksoftirqd/309:15:153
2633399464,8cyclictest41-21ksoftirqd/308:05:143
2633399464,7cyclictest41-21ksoftirqd/311:00:173
2633399464,7cyclictest41-21ksoftirqd/311:00:173
2633399464,6cyclictest41-21ksoftirqd/307:10:253
199632460,2sleep019968-21irqrtprio12:20:200
2633399455,7cyclictest41-21ksoftirqd/310:15:163
2633399455,6cyclictest41-21ksoftirqd/307:20:143
2633399454,8cyclictest41-21ksoftirqd/307:35:123
2633399453,8cyclictest41-21ksoftirqd/311:55:233
2633399445,8cyclictest41-21ksoftirqd/311:50:273
26330994439,3cyclictest28568-21cron07:15:000
2633199411,38cyclictest19075-21kworker/1:108:00:241
26332994035,3cyclictest4093-21cron10:45:012
26331994035,3cyclictest25-21ksoftirqd/112:10:001
26331994035,2cyclictest25-21ksoftirqd/111:50:011
26330994034,3cyclictest9-21ksoftirqd/008:05:000
26332993933,3cyclictest21387-21sh10:15:002
26332993933,3cyclictest11418-21wc12:05:002
26331993833,3cyclictest25-21ksoftirqd/109:50:001
26331993833,3cyclictest25-21ksoftirqd/109:20:011
26331993832,3cyclictest25-21ksoftirqd/111:10:191
26330993833,3cyclictest9-21ksoftirqd/009:54:590
26332993731,4cyclictest33-21ksoftirqd/211:29:512
26332993731,4cyclictest33-21ksoftirqd/207:31:552
26332993731,4cyclictest33-21ksoftirqd/207:31:542
26331993732,3cyclictest25-21ksoftirqd/112:20:011
26331993731,4cyclictest25-21ksoftirqd/107:16:171
26331993730,5cyclictest25-21ksoftirqd/107:58:201
26331993730,5cyclictest25-21ksoftirqd/107:22:461
26330993733,2cyclictest9-21ksoftirqd/012:05:000
26330993732,3cyclictest1359-21sh07:25:000
26330993731,3cyclictest9-21ksoftirqd/011:15:000
26330993731,3cyclictest29764-21irqrtprio07:15:190
26332993630,4cyclictest33-21ksoftirqd/212:08:302
26332993629,5cyclictest33-21ksoftirqd/210:32:342
26332993629,5cyclictest33-21ksoftirqd/210:32:342
26332993629,5cyclictest33-21ksoftirqd/208:30:552
26332993629,5cyclictest33-21ksoftirqd/208:30:552
26332993620,14cyclictest33-21ksoftirqd/211:50:572
26331993631,3cyclictest25-21ksoftirqd/111:25:011
26331993631,3cyclictest25-21ksoftirqd/109:00:011
26331993630,4cyclictest25-21ksoftirqd/109:00:311
26331993630,4cyclictest25-21ksoftirqd/108:34:121
26331993630,4cyclictest25-21ksoftirqd/108:34:121
26331993630,4cyclictest25-21ksoftirqd/108:18:021
26331993630,4cyclictest25-21ksoftirqd/107:29:041
26331993630,3cyclictest25-21ksoftirqd/111:05:181
26330993633,2cyclictest9-21ksoftirqd/012:15:000
26330993632,2cyclictest9-21ksoftirqd/011:00:000
26330993631,3cyclictest9-21ksoftirqd/012:35:180
26330993631,3cyclictest9-21ksoftirqd/011:15:210
26330993631,3cyclictest9-21ksoftirqd/011:00:290
26330993631,3cyclictest9-21ksoftirqd/011:00:290
26330993631,3cyclictest9-21ksoftirqd/009:40:270
26330993631,3cyclictest9-21ksoftirqd/008:35:200
26330993631,3cyclictest9-21ksoftirqd/007:35:010
26330993631,3cyclictest9-21ksoftirqd/007:35:000
26330993630,3cyclictest9-21ksoftirqd/008:30:000
2633099361,3cyclictest9-21ksoftirqd/011:25:140
26332993530,3cyclictest33-21ksoftirqd/207:28:542
26332993529,4cyclictest33-21ksoftirqd/212:15:042
26332993529,4cyclictest33-21ksoftirqd/211:55:302
26332993529,4cyclictest33-21ksoftirqd/209:57:122
26332993529,4cyclictest33-21ksoftirqd/209:24:342
26332993529,4cyclictest33-21ksoftirqd/209:14:192
26332993529,4cyclictest33-21ksoftirqd/208:25:492
26332993529,4cyclictest33-21ksoftirqd/207:12:402
26332993529,3cyclictest33-21ksoftirqd/207:15:012
26331993531,3cyclictest25-21ksoftirqd/108:25:191
26331993531,2cyclictest25-21ksoftirqd/112:00:001
26331993530,3cyclictest25-21ksoftirqd/110:55:211
26331993530,3cyclictest25-21ksoftirqd/108:40:201
26331993529,4cyclictest25-21ksoftirqd/112:38:381
26331993529,4cyclictest25-21ksoftirqd/112:24:541
26331993529,4cyclictest25-21ksoftirqd/111:33:231
26331993529,4cyclictest25-21ksoftirqd/109:06:041
26331993529,4cyclictest25-21ksoftirqd/108:39:481
26331993529,4cyclictest25-21ksoftirqd/108:21:271
26331993529,4cyclictest25-21ksoftirqd/107:35:351
26331993528,5cyclictest25-21ksoftirqd/111:45:001
26330993532,2cyclictest9-21ksoftirqd/008:20:000
26330993531,2cyclictest9-21ksoftirqd/010:00:140
26330993531,2cyclictest9-21ksoftirqd/010:00:140
26330993530,3cyclictest9-21ksoftirqd/007:55:000
50798340,2rtkit-daemon506-21rtkit-daemon08:52:140
26332993430,3cyclictest33-21ksoftirqd/209:45:002
26332993428,4cyclictest33-21ksoftirqd/210:36:512
26332993428,4cyclictest33-21ksoftirqd/208:55:542
26332993428,4cyclictest33-21ksoftirqd/208:53:092
26332993428,4cyclictest33-21ksoftirqd/208:20:372
26332993428,4cyclictest33-21ksoftirqd/207:56:542
26331993430,3cyclictest25-21ksoftirqd/110:30:211
26331993430,3cyclictest25-21ksoftirqd/110:30:201
26331993430,3cyclictest25-21ksoftirqd/107:10:141
26331993429,3cyclictest25-21ksoftirqd/109:55:131
26331993429,3cyclictest25-21ksoftirqd/107:50:181
26331993428,4cyclictest25-21ksoftirqd/111:50:361
26331993428,4cyclictest25-21ksoftirqd/110:45:571
26331993428,4cyclictest25-21ksoftirqd/109:37:291
26331993428,4cyclictest25-21ksoftirqd/108:08:281
26331993428,4cyclictest25-21ksoftirqd/107:43:131
26330993430,3cyclictest9-21ksoftirqd/011:35:140
26330993430,2cyclictest9-21ksoftirqd/010:35:000
26330993430,2cyclictest9-21ksoftirqd/010:35:000
26330993429,3cyclictest9-21ksoftirqd/010:35:470
26330993429,3cyclictest9-21ksoftirqd/010:25:010
26330993429,3cyclictest9-21ksoftirqd/010:10:000
26330993429,3cyclictest9-21ksoftirqd/009:45:230
26330993429,3cyclictest9-21ksoftirqd/009:25:180
26330993429,3cyclictest9-21ksoftirqd/009:00:000
26330993428,4cyclictest9-21ksoftirqd/008:14:120
26330993428,3cyclictest9-21ksoftirqd/009:20:240
26330993428,3cyclictest9-21ksoftirqd/008:35:000
26330993428,3cyclictest9-21ksoftirqd/008:35:000
26330993428,3cyclictest9-21ksoftirqd/008:20:190
26330993427,4cyclictest9-21ksoftirqd/010:10:060
2633099341,2cyclictest121rcu_preempt09:15:250
26332993328,3cyclictest33-21ksoftirqd/207:50:182
26332993327,4cyclictest33-21ksoftirqd/212:13:242
26332993327,4cyclictest33-21ksoftirqd/210:17:502
26332993327,4cyclictest33-21ksoftirqd/209:28:562
26332993327,4cyclictest33-21ksoftirqd/208:15:392
26331993328,3cyclictest25-21ksoftirqd/110:15:271
26331993327,4cyclictest25-21ksoftirqd/110:52:471
26331993327,4cyclictest25-21ksoftirqd/109:40:461
26331993327,4cyclictest25-21ksoftirqd/108:50:321
26331993327,4cyclictest25-21ksoftirqd/107:45:531
26330993330,2cyclictest9-21ksoftirqd/012:00:000
26330993329,3cyclictest9-21ksoftirqd/010:45:000
26330993329,2cyclictest9-21ksoftirqd/010:55:000
26330993329,2cyclictest9-21ksoftirqd/010:20:000
26330993328,3cyclictest9-21ksoftirqd/011:10:000
26330993328,3cyclictest9-21ksoftirqd/010:30:010
26330993328,3cyclictest9-21ksoftirqd/009:10:120
26330993328,3cyclictest9-21ksoftirqd/009:05:000
26330993327,4cyclictest9-21ksoftirqd/009:59:550
26330993327,4cyclictest9-21ksoftirqd/009:08:490
26330993327,3cyclictest9-21ksoftirqd/012:20:010
26330993327,3cyclictest9-21ksoftirqd/011:45:000
26330993327,3cyclictest9-21ksoftirqd/008:42:210
26330993327,3cyclictest9-21ksoftirqd/007:35:120
26332993227,3cyclictest33-21ksoftirqd/210:07:092
26332993226,4cyclictest33-21ksoftirqd/212:38:032
26332993226,4cyclictest33-21ksoftirqd/207:24:442
26331993227,3cyclictest25-21ksoftirqd/111:05:011
26331993227,3cyclictest25-21ksoftirqd/109:25:101
26331993227,3cyclictest25-21ksoftirqd/108:15:001
26331993227,3cyclictest25-21ksoftirqd/107:30:121
26331993227,3cyclictest25-21ksoftirqd/107:30:111
26331993226,4cyclictest25-21ksoftirqd/112:28:471
26331993226,4cyclictest25-21ksoftirqd/110:37:551
26331993226,4cyclictest25-21ksoftirqd/109:22:541
26331993226,4cyclictest25-21ksoftirqd/108:49:391
26331993226,3cyclictest25-21ksoftirqd/109:30:201
26331993225,5cyclictest25-21ksoftirqd/110:27:041
26331993225,5cyclictest25-21ksoftirqd/110:02:321
26331993225,5cyclictest25-21ksoftirqd/110:02:321
26330993228,3cyclictest9-21ksoftirqd/009:40:010
26330993228,2cyclictest9-21ksoftirqd/011:20:030
26330993227,3cyclictest9-21ksoftirqd/012:30:000
26330993227,3cyclictest9-21ksoftirqd/012:05:180
26330993227,3cyclictest9-21ksoftirqd/011:30:190
26330993227,3cyclictest9-21ksoftirqd/007:57:270
26330993227,3cyclictest9-21ksoftirqd/007:45:000
26330993226,4cyclictest9-21ksoftirqd/011:53:080
26332993126,3cyclictest33-21ksoftirqd/211:10:272
26332993126,3cyclictest33-21ksoftirqd/208:41:522
26332993125,4cyclictest33-21ksoftirqd/210:51:562
26331993126,3cyclictest25-21ksoftirqd/111:18:281
26331993126,3cyclictest25-21ksoftirqd/110:43:191
26331993126,3cyclictest25-21ksoftirqd/109:53:351
26331993125,4cyclictest25-21ksoftirqd/112:12:421
26331993125,4cyclictest25-21ksoftirqd/110:21:221
26331993124,5cyclictest25-21ksoftirqd/110:11:231
26330993126,3cyclictest9-21ksoftirqd/008:45:130
26330993125,4cyclictest9-21ksoftirqd/010:48:260
26332993026,3cyclictest33-21ksoftirqd/209:05:232
26332993025,3cyclictest33-21ksoftirqd/212:25:112
26332993025,3cyclictest33-21ksoftirqd/210:01:082
26332993025,3cyclictest33-21ksoftirqd/210:01:072
26332993025,3cyclictest33-21ksoftirqd/209:52:392
26332993025,3cyclictest33-21ksoftirqd/209:18:102
26332993025,3cyclictest33-21ksoftirqd/209:04:112
26332993024,4cyclictest33-21ksoftirqd/211:37:292
26332993024,4cyclictest33-21ksoftirqd/210:28:332
26332993024,4cyclictest33-21ksoftirqd/207:48:432
26331993025,3cyclictest25-21ksoftirqd/112:00:161
26331993025,3cyclictest25-21ksoftirqd/111:37:271
26331993025,3cyclictest25-21ksoftirqd/109:12:361
26331993024,4cyclictest25-21ksoftirqd/112:33:241
26331993024,4cyclictest25-21ksoftirqd/111:00:541
26330993026,3cyclictest9-21ksoftirqd/008:05:180
26330993025,3cyclictest9-21ksoftirqd/007:45:190
26330993025,3cyclictest9-21ksoftirqd/007:26:510
26330993024,3cyclictest9-21ksoftirqd/009:30:180
26332992924,3cyclictest33-21ksoftirqd/211:17:282
26332992924,3cyclictest33-21ksoftirqd/209:30:512
26332992923,4cyclictest33-21ksoftirqd/212:31:012
26332992923,4cyclictest33-21ksoftirqd/212:24:232
26332992923,4cyclictest33-21ksoftirqd/211:24:012
26332992923,4cyclictest33-21ksoftirqd/207:40:482
26331992924,3cyclictest25-21ksoftirqd/111:25:191
26332992823,3cyclictest33-21ksoftirqd/208:37:162
26332992822,4cyclictest33-21ksoftirqd/210:46:062
26332992821,4cyclictest33-21ksoftirqd/208:00:022
26331992823,2cyclictest25-21ksoftirqd/110:05:131
26332992722,3cyclictest33-21ksoftirqd/208:07:592
26332992722,3cyclictest33-21ksoftirqd/207:37:462
26332992721,4cyclictest33-21ksoftirqd/210:59:502
26332992621,3cyclictest33-21ksoftirqd/211:40:052
26332992621,3cyclictest33-21ksoftirqd/209:37:582
26332992621,3cyclictest33-21ksoftirqd/208:45:372
26332992520,3cyclictest33-21ksoftirqd/208:13:432
26332992519,4cyclictest33-21ksoftirqd/209:49:182
26332992318,3cyclictest33-21ksoftirqd/210:20:102
26332992117,2cyclictest33-21ksoftirqd/211:34:142
26332991913,5cyclictest33-21ksoftirqd/211:00:212
26332991913,5cyclictest33-21ksoftirqd/211:00:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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