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2026-06-21 - 19:41
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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 376 highest latencies:
System rackdslot4.osadl.org (updated Sun Jun 21, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591231168,51phc2sys0-21swapper/307:08:233
192232204169,24sleep10-21swapper/107:07:211
194182201169,21sleep20-21swapper/207:09:472
192892200167,22sleep00-21swapper/007:08:120
138491690,11ptp4l401ktimersoftd/309:25:183
185092590,7sleep11972899cyclictest12:30:261
78612580,3sleep00-21swapper/008:55:150
138491560,1ptp4l401ktimersoftd/311:43:183
138491490,1ptp4l401ktimersoftd/309:40:203
19729994638,5cyclictest4253-21cron11:00:002
19729994638,5cyclictest4253-21cron11:00:002
19729994331,10cyclictest33-21ksoftirqd/208:35:192
19729994231,9cyclictest33-21ksoftirqd/208:50:232
19729994230,10cyclictest33-21ksoftirqd/209:10:152
138491420,0ptp4l401ktimersoftd/311:24:553
135191420,7getstats1973099cyclictest08:24:363
19729994128,10cyclictest33-21ksoftirqd/208:55:162
19728994036,3cyclictest25-21ksoftirqd/110:00:011
19729993927,10cyclictest33-21ksoftirqd/210:10:192
19728993934,3cyclictest25-21ksoftirqd/112:40:001
138491390,1ptp4l401ktimersoftd/311:02:303
19730993833,3cyclictest41-21ksoftirqd/307:40:003
19729993831,4cyclictest26961-21sh07:25:012
19729993827,9cyclictest33-21ksoftirqd/210:00:222
19729993827,9cyclictest33-21ksoftirqd/209:50:252
19730993732,3cyclictest41-21ksoftirqd/307:24:023
19730993731,4cyclictest41-21ksoftirqd/311:30:113
19729993732,3cyclictest33-21ksoftirqd/211:45:172
19729993732,3cyclictest33-21ksoftirqd/211:29:592
19729993732,3cyclictest33-21ksoftirqd/210:35:002
19729993732,3cyclictest33-21ksoftirqd/209:15:162
19729993731,3cyclictest33-21ksoftirqd/210:25:002
19729993730,5cyclictest33-21ksoftirqd/207:49:092
19729993725,10cyclictest33-21ksoftirqd/210:35:272
19727993731,4cyclictest9-21ksoftirqd/012:19:590
19730993630,4cyclictest41-21ksoftirqd/311:51:413
19730993630,4cyclictest41-21ksoftirqd/308:01:273
19730993630,3cyclictest41-21ksoftirqd/312:35:183
19730993630,3cyclictest41-21ksoftirqd/310:27:223
19730993629,4cyclictest41-21ksoftirqd/311:26:183
19729993632,3cyclictest33-21ksoftirqd/207:45:012
19729993631,3cyclictest33-21ksoftirqd/212:00:552
19729993631,3cyclictest33-21ksoftirqd/209:30:192
19729993631,3cyclictest33-21ksoftirqd/209:30:002
19729993630,4cyclictest33-21ksoftirqd/211:24:322
19729993630,4cyclictest33-21ksoftirqd/209:49:082
19729993629,5cyclictest33-21ksoftirqd/212:21:572
19729993625,9cyclictest33-21ksoftirqd/210:05:292
19729993624,10cyclictest33-21ksoftirqd/208:45:212
19728993631,3cyclictest25-21ksoftirqd/109:55:001
19728993630,4cyclictest25-21ksoftirqd/111:34:421
19728993630,4cyclictest25-21ksoftirqd/111:13:121
19728993630,4cyclictest25-21ksoftirqd/110:27:321
19728993630,4cyclictest25-21ksoftirqd/110:22:331
19728993630,4cyclictest25-21ksoftirqd/109:02:111
19727993630,4cyclictest9-21ksoftirqd/010:58:070
19727993630,4cyclictest9-21ksoftirqd/010:58:070
19727993630,4cyclictest9-21ksoftirqd/010:04:430
19730993531,2cyclictest41-21ksoftirqd/310:40:003
19730993530,3cyclictest41-21ksoftirqd/312:00:003
19730993530,3cyclictest41-21ksoftirqd/310:35:003
19730993530,3cyclictest41-21ksoftirqd/307:15:193
19730993529,4cyclictest41-21ksoftirqd/312:05:543
19730993529,4cyclictest41-21ksoftirqd/308:17:023
19730993529,4cyclictest41-21ksoftirqd/308:17:023
19730993529,3cyclictest41-21ksoftirqd/311:18:413
19730993529,3cyclictest41-21ksoftirqd/309:55:023
19730993529,3cyclictest41-21ksoftirqd/307:42:003
19730993528,4cyclictest41-21ksoftirqd/311:11:463
19730993528,4cyclictest41-21ksoftirqd/310:17:223
19730993524,9cyclictest41-21ksoftirqd/309:45:213
19729993531,3cyclictest33-21ksoftirqd/211:00:192
19729993530,3cyclictest33-21ksoftirqd/209:40:112
19729993530,3cyclictest33-21ksoftirqd/208:30:112
19729993529,4cyclictest33-21ksoftirqd/212:27:032
19729993529,4cyclictest33-21ksoftirqd/212:17:002
19729993529,4cyclictest33-21ksoftirqd/211:30:022
19729993529,4cyclictest33-21ksoftirqd/209:39:432
19729993529,4cyclictest33-21ksoftirqd/208:03:132
19729993529,3cyclictest33-21ksoftirqd/211:15:192
19729993529,3cyclictest33-21ksoftirqd/207:15:152
19728993530,3cyclictest25-21ksoftirqd/111:45:001
19728993530,3cyclictest25-21ksoftirqd/110:49:481
19728993530,3cyclictest25-21ksoftirqd/107:50:001
19728993530,3cyclictest25-21ksoftirqd/107:30:201
19728993529,4cyclictest25-21ksoftirqd/111:16:131
19728993529,4cyclictest25-21ksoftirqd/110:41:391
19728993529,4cyclictest25-21ksoftirqd/107:22:241
19727993530,3cyclictest9-21ksoftirqd/012:35:100
19727993529,4cyclictest9-21ksoftirqd/011:09:580
19727993529,4cyclictest9-21ksoftirqd/010:24:330
19727993529,4cyclictest9-21ksoftirqd/009:11:480
19727993529,4cyclictest9-21ksoftirqd/008:54:300
19727993529,4cyclictest9-21ksoftirqd/008:29:470
19727993529,4cyclictest9-21ksoftirqd/008:08:490
19727993529,4cyclictest9-21ksoftirqd/007:44:180
138491350,0ptp4l401ktimersoftd/308:08:293
50798340,9rtkit-daemon0-21swapper/012:04:190
19730993428,4cyclictest41-21ksoftirqd/307:25:323
19730993428,3cyclictest41-21ksoftirqd/310:51:133
19730993428,3cyclictest41-21ksoftirqd/310:15:003
19730993428,3cyclictest41-21ksoftirqd/307:10:133
19730993427,4cyclictest41-21ksoftirqd/311:05:113
19729993429,3cyclictest33-21ksoftirqd/211:40:162
19729993429,3cyclictest33-21ksoftirqd/208:45:012
19729993429,3cyclictest33-21ksoftirqd/207:35:182
19729993428,4cyclictest33-21ksoftirqd/212:11:262
19729993428,4cyclictest33-21ksoftirqd/207:50:382
19729993428,3cyclictest33-21ksoftirqd/212:00:002
19729993427,4cyclictest33-21ksoftirqd/210:28:122
19728993429,3cyclictest25-21ksoftirqd/107:55:101
19728993429,3cyclictest25-21ksoftirqd/107:44:591
19728993428,4cyclictest25-21ksoftirqd/109:05:471
19728993428,4cyclictest25-21ksoftirqd/108:27:041
19727993429,3cyclictest9-21ksoftirqd/008:35:000
19727993429,3cyclictest9-21ksoftirqd/008:25:000
19727993428,4cyclictest9-21ksoftirqd/011:28:480
19727993428,4cyclictest9-21ksoftirqd/009:57:530
19727993428,4cyclictest9-21ksoftirqd/009:40:050
19727993428,4cyclictest9-21ksoftirqd/008:46:010
19727993427,5cyclictest9-21ksoftirqd/011:17:560
19727993427,4cyclictest9-21ksoftirqd/007:19:590
19727993422,4cyclictest9-21ksoftirqd/011:01:440
19730993328,3cyclictest41-21ksoftirqd/307:50:203
19730993327,4cyclictest41-21ksoftirqd/308:11:253
19730993327,3cyclictest7021-21latency_hist10:00:013
19729993329,3cyclictest33-21ksoftirqd/209:20:202
19729993328,3cyclictest33-21ksoftirqd/210:50:172
19729993328,3cyclictest33-21ksoftirqd/209:05:112
19729993328,3cyclictest33-21ksoftirqd/208:25:102
19729993327,4cyclictest33-21ksoftirqd/210:46:412
19729993327,4cyclictest33-21ksoftirqd/210:19:492
19729993327,3cyclictest33-21ksoftirqd/212:35:122
19729993326,4cyclictest33-21ksoftirqd/209:59:592
19728993328,3cyclictest25-21ksoftirqd/108:17:321
19728993328,3cyclictest25-21ksoftirqd/108:17:321
19728993327,4cyclictest25-21ksoftirqd/112:28:341
19728993327,4cyclictest25-21ksoftirqd/110:55:481
19728993327,4cyclictest25-21ksoftirqd/110:55:471
19728993327,4cyclictest25-21ksoftirqd/110:35:111
19728993327,4cyclictest25-21ksoftirqd/109:35:351
19728993327,4cyclictest25-21ksoftirqd/109:26:591
19728993327,4cyclictest25-21ksoftirqd/108:20:411
19728993327,4cyclictest25-21ksoftirqd/107:29:071
19728993327,3cyclictest13514-21proc_pri10:10:241
19728993326,4cyclictest25-21ksoftirqd/108:03:331
19727993328,3cyclictest9-21ksoftirqd/012:06:390
19727993328,3cyclictest9-21ksoftirqd/008:35:330
19727993327,4cyclictest9-21ksoftirqd/011:43:200
19727993327,4cyclictest9-21ksoftirqd/011:31:160
19727993327,4cyclictest9-21ksoftirqd/011:13:550
19727993327,4cyclictest9-21ksoftirqd/009:48:420
19727993327,4cyclictest9-21ksoftirqd/009:17:340
19727993327,4cyclictest9-21ksoftirqd/007:10:410
138491330,0ptp4l401ktimersoftd/312:00:113
19730993227,3cyclictest41-21ksoftirqd/312:20:273
19730993227,3cyclictest41-21ksoftirqd/311:45:093
19730993226,4cyclictest41-21ksoftirqd/311:36:053
19730993226,4cyclictest41-21ksoftirqd/307:34:393
19729993228,3cyclictest33-21ksoftirqd/212:05:132
19729993227,3cyclictest33-21ksoftirqd/209:00:222
19729993223,7cyclictest33-21ksoftirqd/211:09:512
19728993227,3cyclictest6729-21cron11:05:001
19728993227,3cyclictest25-21ksoftirqd/111:35:471
19728993227,3cyclictest25-21ksoftirqd/108:59:561
19728993226,4cyclictest25-21ksoftirqd/111:09:511
19728993226,4cyclictest25-21ksoftirqd/110:07:571
19728993226,4cyclictest25-21ksoftirqd/109:33:471
19728993226,4cyclictest25-21ksoftirqd/107:39:061
19727993227,3cyclictest9-21ksoftirqd/007:34:590
19727993226,4cyclictest9-21ksoftirqd/009:28:120
19727993226,4cyclictest9-21ksoftirqd/007:24:010
138491320,10ptp4l0-21swapper/310:00:213
19730993127,3cyclictest41-21ksoftirqd/312:25:183
19730993126,3cyclictest41-21ksoftirqd/308:55:193
19730993126,3cyclictest41-21ksoftirqd/308:25:183
19730993126,3cyclictest41-21ksoftirqd/307:45:503
19730993125,4cyclictest41-21ksoftirqd/312:17:053
19729993126,3cyclictest33-21ksoftirqd/208:10:132
19729993125,4cyclictest33-21ksoftirqd/211:11:492
19729993124,4cyclictest33-21ksoftirqd/211:36:522
19729993124,4cyclictest33-21ksoftirqd/208:15:062
19729993124,4cyclictest33-21ksoftirqd/208:15:062
19729993120,9cyclictest33-21ksoftirqd/207:10:272
19728993125,4cyclictest25-21ksoftirqd/111:58:291
19728993125,4cyclictest25-21ksoftirqd/108:10:061
19728993125,4cyclictest25-21ksoftirqd/108:09:071
19728993125,3cyclictest25-21ksoftirqd/110:52:121
19728993124,5cyclictest25-21ksoftirqd/111:49:031
19727993127,3cyclictest9-21ksoftirqd/010:50:000
19727993126,3cyclictest9-21ksoftirqd/011:51:460
19727993126,3cyclictest9-21ksoftirqd/010:32:070
19727993126,3cyclictest9-21ksoftirqd/008:17:410
19727993126,3cyclictest9-21ksoftirqd/008:17:410
19727993126,3cyclictest9-21ksoftirqd/008:11:180
19727993126,3cyclictest9-21ksoftirqd/007:26:040
19727993125,4cyclictest9-21ksoftirqd/011:49:020
19727993125,4cyclictest9-21ksoftirqd/010:07:000
19727993125,4cyclictest9-21ksoftirqd/009:53:520
138491310,1ptp4l0-21swapper/308:52:443
19730993025,3cyclictest41-21ksoftirqd/307:55:213
19729993024,4cyclictest33-21ksoftirqd/208:05:582
19729993024,3cyclictest33-21ksoftirqd/207:35:002
19729993019,9cyclictest33-21ksoftirqd/207:55:192
19728993025,3cyclictest25-21ksoftirqd/112:10:101
19728993025,3cyclictest25-21ksoftirqd/112:00:531
19728993025,3cyclictest25-21ksoftirqd/111:23:451
19728993025,3cyclictest25-21ksoftirqd/109:10:141
19728993025,3cyclictest25-21ksoftirqd/108:49:551
19728993024,4cyclictest25-21ksoftirqd/109:15:581
19728993024,4cyclictest25-21ksoftirqd/108:32:541
19727993025,3cyclictest9-21ksoftirqd/012:20:550
19727993024,4cyclictest9-21ksoftirqd/012:10:480
19727993024,4cyclictest9-21ksoftirqd/010:25:290
19727993024,4cyclictest9-21ksoftirqd/009:38:350
19727993024,4cyclictest9-21ksoftirqd/008:41:520
138491300,0ptp4l401ktimersoftd/312:10:173
19730992924,3cyclictest41-21ksoftirqd/312:30:133
19730992924,3cyclictest41-21ksoftirqd/309:05:143
19730992921,6cyclictest41-21ksoftirqd/311:00:003
19730992921,6cyclictest41-21ksoftirqd/311:00:003
19729992918,9cyclictest33-21ksoftirqd/210:40:282
19728992923,4cyclictest25-21ksoftirqd/112:21:201
19728992923,4cyclictest25-21ksoftirqd/107:14:101
19727992924,3cyclictest9-21ksoftirqd/011:21:090
19727992924,3cyclictest9-21ksoftirqd/010:50:400
19727992924,3cyclictest9-21ksoftirqd/008:02:030
19727992923,4cyclictest9-21ksoftirqd/011:39:070
19727992923,4cyclictest9-21ksoftirqd/007:45:550
19727992923,3cyclictest9-21ksoftirqd/011:55:100
138491290,0ptp4l401ktimersoftd/310:42:073
138491290,0ptp4l401ktimersoftd/310:24:213
138491290,0ptp4l401ktimersoftd/308:47:333
138491290,0ptp4l401ktimersoftd/308:30:273
19730992823,3cyclictest41-21ksoftirqd/310:45:393
19730992823,3cyclictest41-21ksoftirqd/309:19:253
19729992822,4cyclictest33-21ksoftirqd/211:51:042
19728992823,3cyclictest25-21ksoftirqd/110:02:431
19728992822,4cyclictest25-21ksoftirqd/111:53:241
19728992822,4cyclictest25-21ksoftirqd/108:35:111
19728992822,3cyclictest25-21ksoftirqd/109:25:001
19727992823,3cyclictest9-21ksoftirqd/012:30:060
19727992823,3cyclictest9-21ksoftirqd/007:52:350
19727992822,4cyclictest9-21ksoftirqd/012:25:360
19727992822,4cyclictest9-21ksoftirqd/010:39:530
19727992822,4cyclictest9-21ksoftirqd/007:36:430
19729992723,3cyclictest33-21ksoftirqd/212:30:182
19729992716,9cyclictest33-21ksoftirqd/207:25:202
19728992722,3cyclictest25-21ksoftirqd/111:27:121
19728992722,3cyclictest25-21ksoftirqd/109:47:511
19728992722,3cyclictest25-21ksoftirqd/107:15:111
19728992721,4cyclictest25-21ksoftirqd/107:51:091
19728992721,3cyclictest25-21ksoftirqd/110:15:131
19727992722,3cyclictest9-21ksoftirqd/010:44:280
19727992721,4cyclictest9-21ksoftirqd/009:08:420
138491270,0ptp4l401ktimersoftd/308:39:033
19729992620,4cyclictest33-21ksoftirqd/208:24:072
19728992621,3cyclictest25-21ksoftirqd/108:43:001
19727992622,2cyclictest21917-21idleruntime-cro09:25:000
19727992621,3cyclictest9-21ksoftirqd/010:15:130
138491260,0ptp4l401ktimersoftd/309:31:353
19728992520,3cyclictest25-21ksoftirqd/112:15:461
19728992518,4cyclictest25-21ksoftirqd/112:07:201
19727992510,4cyclictest9-21ksoftirqd/009:30:250
138491250,5ptp4l401ktimersoftd/310:05:433
19730992412,3cyclictest41-21ksoftirqd/309:10:123
19727992419,3cyclictest9-21ksoftirqd/007:55:380
19727992418,4cyclictest9-21ksoftirqd/010:11:420
19728992318,3cyclictest25-21ksoftirqd/109:44:371
19728992318,3cyclictest25-21ksoftirqd/108:54:071
19728992317,3cyclictest25-21ksoftirqd/110:35:001
138491230,0ptp4l401ktimersoftd/309:35:123
138491230,0ptp4l401ktimersoftd/309:20:283
138491230,0ptp4l401ktimersoftd/309:00:253
138491230,0ptp4l401ktimersoftd/308:40:533
19727991814,2cyclictest11967-21sshd09:04:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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