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2026-05-03 - 15:26
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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 rackeslot2.osadl.org (updated Sun May 03, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11032172970,2sleep20-21swapper/209:25:362
13088932880,2sleep30-21swapper/311:40:413
12810082780,3sleep30-21swapper/311:25:263
12117412680,1sleep01211739-21ssh10:39:420
10104912480,1sleep01010495-21tr08:15:330
9498512310,2sleep30-21swapper/307:30:273
11146672280,2sleep30-21swapper/309:35:313
921925992724,2cyclictest1272440-21tr11:20:001
921924992615,7cyclictest1192298-21kthreadcore10:25:340
921925992519,2cyclictest134050irq/121-eno109:15:021
921924992522,2cyclictest1-21systemd11:10:010
2649091250,6phc2sys0-21swapper/307:15:253
921924992413,6cyclictest0-21swapper/009:40:010
921924992317,5cyclictest3851703-21mta-sts-daemon11:45:370
921925992217,2cyclictest134050irq/121-eno109:40:331
921925992217,2cyclictest134050irq/121-eno109:40:331
921925992216,2cyclictest134050irq/121-eno110:45:011
921925992215,3cyclictest1174162-21/usr/sbin/munin10:15:361
921924992219,2cyclictest1290-21dbus-daemon09:15:010
92192499221,12cyclictest1242106-21perf11:00:000
921926992118,1cyclictest0-21swapper/208:50:012
921925992115,2cyclictest134050irq/121-eno111:15:011
921924992118,2cyclictest1030686-21apt-key08:35:010
921924992111,4cyclictest0-21swapper/010:15:010
921926992017,1cyclictest0-21swapper/210:40:002
921926992017,1cyclictest0-21swapper/208:55:002
921925992017,2cyclictest1290-21dbus-daemon11:25:011
921925992017,2cyclictest1097694-21/usr/sbin/munin09:25:001
92192499209,6cyclictest0-21swapper/010:20:300
92192499209,6cyclictest0-21swapper/010:10:010
92192499209,6cyclictest0-21swapper/009:30:350
92192499208,7cyclictest0-21swapper/009:25:370
921924992017,2cyclictest1319043-21grep11:50:270
92192499201,15cyclictest1278149-21cut11:20:350
921924992010,6cyclictest3827634-1atopacctd10:45:240
383433398200,5rtkit-daemon3851703-21mta-sts-daemon08:29:191
921926991916,1cyclictest0-21swapper/212:30:352
92192599191,8cyclictest1326-21systemd-logind11:10:011
921925991916,2cyclictest1326-21systemd-logind10:15:001
921925991916,2cyclictest1105459-21latency_hist09:30:011
921925991915,3cyclictest3851704-21mta-sts-daemon11:30:311
921925991912,2cyclictest134050irq/121-eno109:50:021
92192499198,6cyclictest0-21swapper/011:40:250
92192499198,6cyclictest0-21swapper/011:30:360
92192499198,6cyclictest0-21swapper/009:15:320
92192499195,9cyclictest1054044-21kthreadcore08:50:320
921924991916,2cyclictest1219670-21latency_hist10:45:010
921924991916,2cyclictest1143496-21systemd-run09:55:010
921924991911,7cyclictest0-21swapper/010:20:010
383433398190,3rtkit-daemon3851702-21mta-sts-daemon07:10:101
2649091191,2phc2sys0-21swapper/309:15:373
921926991816,1cyclictest0-21swapper/210:40:322
921926991815,1cyclictest0-21swapper/211:05:232
921926991815,1cyclictest0-21swapper/211:05:012
921926991815,1cyclictest0-21swapper/209:15:272
921926991815,1cyclictest0-21swapper/208:05:002
92192599189,3cyclictest3851703-21mta-sts-daemon10:24:191
921925991815,2cyclictest3824565-21in:imuxsock08:20:001
921925991815,2cyclictest1996-21runrttasks07:15:261
921925991815,2cyclictest1290-21dbus-daemon08:15:011
921925991815,2cyclictest1149470-21grep09:55:391
921925991815,2cyclictest0-21swapper/108:35:001
921924991814,2cyclictest0-21swapper/008:50:020
921924991811,6cyclictest0-21swapper/009:40:320
921924991811,6cyclictest0-21swapper/009:40:320
92192499180,16cyclictest1378581-21munin-plugin-st12:30:000
92192699173,9cyclictest0-21swapper/208:40:012
921926991715,1cyclictest0-21swapper/212:25:012
921926991714,1cyclictest0-21swapper/210:55:352
921926991714,1cyclictest0-21swapper/210:45:362
921926991714,1cyclictest0-21swapper/209:35:392
921926991714,1cyclictest0-21swapper/208:30:312
921926991714,1cyclictest0-21swapper/208:24:102
92192599179,3cyclictest1229531-21kthreadcore10:50:301
92192599179,3cyclictest0-21swapper/109:40:001
921925991714,2cyclictest1159815-21if_eno110:05:301
921925991710,3cyclictest1373000-21kthreadcore12:25:311
921925991710,3cyclictest1298995-21kthreadcore11:35:321
92192499178,5cyclictest0-21swapper/011:57:540
92192499178,5cyclictest0-21swapper/011:57:540
92192499178,5cyclictest0-21swapper/009:20:310
92192499178,2cyclictest0-21swapper/012:10:370
92192499176,6cyclictest0-21swapper/009:00:000
92192499172,3cyclictest0-21swapper/011:29:120
92192499172,1cyclictest1333556-21ssh12:00:240
921924991714,2cyclictest961925-21munin-plugin-st07:40:010
921924991714,2cyclictest1356951-21head12:15:270
921924991714,2cyclictest1204407-21sh10:35:010
921924991713,3cyclictest929946-21latency_hist07:15:020
921924991712,4cyclictest3851705-21mta-sts-daemon10:53:120
921924991711,5cyclictest3827634-1atopacctd10:00:550
92192499170,5cyclictest1384337-21python312:30:360
2649091170,3phc2sys0-21swapper/312:23:153
2649091170,3phc2sys0-21swapper/310:52:533
2649091170,2phc2sys0-21swapper/311:04:043
2649091170,2phc2sys0-21swapper/308:25:023
92192699161,9cyclictest0-21swapper/209:50:012
921926991614,1cyclictest0-21swapper/208:15:012
921926991613,1cyclictest0-21swapper/212:15:252
921926991613,1cyclictest0-21swapper/211:20:412
921926991613,1cyclictest0-21swapper/210:29:192
921926991613,1cyclictest0-21swapper/210:10:012
921926991613,1cyclictest0-21swapper/209:20:332
921926991613,1cyclictest0-21swapper/207:20:012
92192599169,6cyclictest3851703-21mta-sts-daemon12:35:351
92192599168,3cyclictest1351327-21kthreadcore12:10:311
92192599165,5cyclictest0-21swapper/110:45:231
921925991613,2cyclictest974265-21latency_hist07:50:011
921925991613,2cyclictest3851705-21mta-sts-daemon10:35:431
921925991613,2cyclictest1363675-21latency_hist12:20:011
921925991613,2cyclictest1326288-21tr11:55:271
921925991613,2cyclictest1326288-21tr11:55:271
921925991613,2cyclictest1308365-21pmu-power11:40:361
921925991613,2cyclictest1296-21polkitd08:25:001
921925991613,2cyclictest1090157-21cut09:20:011
921925991613,2cyclictest1062400-21cut09:00:001
921925991612,3cyclictest1139235-21sort09:50:311
921925991612,2cyclictest0-21swapper/109:10:011
92192599161,13cyclictest1056134-21dump-pmu-power08:55:001
92192499166,8cyclictest989956-21tr08:00:310
92192499162,2cyclictest491rcuog/211:35:240
921924991613,2cyclictest980652-21latency_hist07:55:010
921924991613,2cyclictest955749-21systemd07:35:010
921924991613,2cyclictest1290-21dbus-daemon11:20:010
921924991613,2cyclictest1024562-21munin-plugin-st08:30:020
383433398160,2rtkit-daemon1317835-21ssh11:49:401
2649091160,4phc2sys0-21swapper/311:20:233
2649091160,3phc2sys0-21swapper/310:20:183
2649091160,2phc2sys0-21swapper/311:45:323
2649091160,2phc2sys0-21swapper/310:48:313
2649091160,2phc2sys0-21swapper/310:19:453
2649091160,2phc2sys0-21swapper/307:59:573
92192699151,8cyclictest0-21swapper/210:15:242
921926991513,1cyclictest0-21swapper/209:10:022
921926991512,1cyclictest0-21swapper/212:03:422
921926991512,1cyclictest0-21swapper/211:45:392
921926991512,1cyclictest0-21swapper/211:40:022
921926991512,1cyclictest0-21swapper/211:18:492
921926991512,1cyclictest0-21swapper/210:20:312
921926991512,1cyclictest0-21swapper/210:01:342
921926991512,1cyclictest0-21swapper/209:42:302
921926991512,1cyclictest0-21swapper/209:42:302
921926991512,1cyclictest0-21swapper/209:30:332
921926991512,1cyclictest0-21swapper/207:55:002
921926991512,1cyclictest0-21swapper/207:40:252
921926991512,1cyclictest0-21swapper/207:20:322
921926991511,2cyclictest0-21swapper/211:10:302
92192599159,5cyclictest3851704-21mta-sts-daemon08:45:361
92192599159,2cyclictest134050irq/121-eno112:05:221
92192599151,3cyclictest1196519-21apt-config10:30:011
921925991512,2cyclictest941993-21needreboot07:20:331
921925991512,2cyclictest3851705-21mta-sts-daemon07:42:461
921925991512,2cyclictest3827634-1atopacctd12:33:191
921925991512,2cyclictest1318397-21/usr/sbin/munin11:50:291
921925991512,2cyclictest1154041-21kthreadcore10:00:331
921925991512,2cyclictest1063486-21gltestperf09:00:281
921925991512,2cyclictest1043375-21latency_hist08:45:011
921925991512,2cyclictest1031428-21cpuspeed_turbos08:35:261
921925991511,2cyclictest0-21swapper/107:55:011
92192599150,3cyclictest0-21swapper/107:59:291
92192499158,2cyclictest1249885-21kworker/u16:2-writeback12:20:240
92192499154,7cyclictest0-21swapper/007:25:330
92192499151,9cyclictest983599-21cut07:55:320
921924991512,2cyclictest973459-21ptp4l07:45:350
921924991512,2cyclictest936977-21systemd-run07:20:020
921924991512,2cyclictest921922-21cyclictest07:20:240
921924991512,2cyclictest1387338-21sh12:35:270
921924991512,2cyclictest1343371-21kthreadcore12:05:300
921924991512,2cyclictest1037257-21sh08:40:010
921924991512,2cyclictest0-21swapper/008:25:000
921924991511,3cyclictest921922-21cyclictest08:05:310
921924991511,3cyclictest1243595-21irqcore11:00:300
921924991511,3cyclictest1129267-21fschecks_count09:45:270
921924991511,3cyclictest1002498-21kthreadcore08:10:310
921926991412,1cyclictest0-21swapper/212:25:322
921926991412,1cyclictest0-21swapper/212:15:012
921926991412,1cyclictest0-21swapper/211:40:272
921926991412,1cyclictest0-21swapper/209:10:372
921926991412,1cyclictest0-21swapper/207:40:012
921926991412,1cyclictest0-21swapper/207:30:012
921926991412,1cyclictest0-21swapper/207:10:012
921926991411,2cyclictest0-21swapper/210:30:362
921926991411,1cyclictest0-21swapper/212:35:322
921926991411,1cyclictest0-21swapper/211:25:272
921926991411,1cyclictest0-21swapper/210:52:592
921926991411,1cyclictest0-21swapper/210:10:272
921926991411,1cyclictest0-21swapper/209:55:332
921926991411,1cyclictest0-21swapper/209:50:462
921926991411,1cyclictest0-21swapper/208:05:252
92192599148,5cyclictest3851705-21mta-sts-daemon08:00:291
92192599147,6cyclictest3851702-21mta-sts-daemon12:03:211
92192599147,1cyclictest134050irq/121-eno110:32:541
921925991411,2cyclictest921922-21cyclictest12:20:291
921925991411,2cyclictest3827634-1atopacctd07:25:321
921925991411,2cyclictest1281591-21irqrtprio11:25:291
921925991410,3cyclictest994389-21irqcore08:05:301
921925991410,3cyclictest959809-21kthreadcore07:35:311
92192499144,2cyclictest134050irq/121-eno111:10:350
92192499141,4cyclictest1068121-21cat09:00:370
921924991411,2cyclictest1143903-21runrttasks09:55:240
921924991410,3cyclictest1071868-21kthreadcore09:05:330
921924991410,3cyclictest1037771-21tr08:40:270
2649091142,2phc2sys0-21swapper/312:25:243
2649091140,3phc2sys0-21swapper/312:35:253
2649091140,3phc2sys0-21swapper/309:31:373
2649091140,2phc2sys0-21swapper/311:31:013
2649091140,2phc2sys0-21swapper/309:54:033
2649091140,2phc2sys0-21swapper/309:25:113
92192699131,2cyclictest0-21swapper/208:20:012
921926991311,1cyclictest0-21swapper/211:50:262
921926991311,1cyclictest0-21swapper/208:40:282
921926991311,1cyclictest0-21swapper/208:30:012
921926991310,1cyclictest0-21swapper/212:05:042
921926991310,1cyclictest0-21swapper/211:55:302
921926991310,1cyclictest0-21swapper/211:55:302
921926991310,1cyclictest0-21swapper/211:30:322
921926991310,1cyclictest0-21swapper/208:55:272
921926991310,1cyclictest0-21swapper/207:10:302
921925991310,2cyclictest954364-21latency07:30:341
921925991310,2cyclictest3851705-21mta-sts-daemon10:59:201
921925991310,2cyclictest1219612-21kworker/u16:1-rpciod11:00:251
92192499132,6cyclictest0-21swapper/007:40:370
383433398130,6rtkit-daemon3851703-21mta-sts-daemon09:31:581
2649091131,2phc2sys0-21swapper/307:11:133
2649091130,4phc2sys0-21swapper/310:34:393
2649091130,2phc2sys0-21swapper/311:53:493
2649091130,2phc2sys0-21swapper/311:19:113
2649091130,2phc2sys0-21swapper/310:40:583
2649091130,2phc2sys0-21swapper/310:36:093
2649091130,2phc2sys0-21swapper/307:09:553
2649091130,1phc2sys0-21swapper/308:48:563
92192699128,2cyclictest0-21swapper/207:45:292
92192699124,4cyclictest0-21swapper/207:30:262
921926991210,1cyclictest0-21swapper/209:00:322
921926991210,1cyclictest0-21swapper/207:55:262
92192499121,6cyclictest922123-21cat07:10:020
2649091120,3phc2sys0-21swapper/308:59:143
2649091120,2phc2sys0-21swapper/310:28:513
2649091120,2phc2sys0-21swapper/308:05:363
2649091120,1phc2sys0-21swapper/308:39:343
11672532120,3sleep30-21swapper/310:10:273
92192599111,5cyclictest922076-21cat07:10:021
2649091111,2phc2sys0-21swapper/310:03:583
2649091110,5phc2sys0-21swapper/312:05:233
2649091110,2phc2sys0-21swapper/309:49:563
2649091110,1phc2sys0-21swapper/312:15:263
2649091110,1phc2sys0-21swapper/309:44:583
2649091110,1phc2sys0-21swapper/309:44:583
2649091104,2phc2sys0-21swapper/312:10:363
2649091101,3phc2sys0-21swapper/309:55:243
2649091100,2phc2sys0-21swapper/312:34:343
2649091100,2phc2sys0-21swapper/312:01:473
2649091100,2phc2sys0-21swapper/311:59:393
2649091100,2phc2sys0-21swapper/311:59:393
2649091100,2phc2sys0-21swapper/311:35:063
2649091100,2phc2sys0-21swapper/311:09:093
2649091100,2phc2sys0-21swapper/309:23:463
2649091100,2phc2sys0-21swapper/308:30:323
2649091100,2phc2sys0-21swapper/308:15:253
2649091100,2phc2sys0-21swapper/308:12:483
2649091100,2phc2sys0-21swapper/307:50:113
2649091100,2phc2sys0-21swapper/307:50:003
2649091100,2phc2sys0-21swapper/307:25:353
2649091100,1phc2sys0-21swapper/309:09:193
11588732100,2sleep30-21swapper/310:05:103
264909191,2phc2sys0-21swapper/308:00:273
264909190,3phc2sys0-21swapper/308:25:263
264909190,2phc2sys0-21swapper/311:10:133
264909190,2phc2sys0-21swapper/310:55:303
264909190,2phc2sys0-21swapper/309:10:483
264909190,2phc2sys0-21swapper/309:00:263
264909190,2phc2sys0-21swapper/308:50:243
264909190,2phc2sys0-21swapper/308:44:563
264909190,2phc2sys0-21swapper/307:40:343
264909180,2phc2sys0-21swapper/307:35:253
264909180,2phc2sys0-21swapper/307:20:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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