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2026-04-03 - 15:45
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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 Fri Apr 03, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245180021150,2sleep30-21swapper/310:01:133
2219381992413,5cyclictest2601301-21kthreadcore11:41:150
2219381992320,2cyclictest2321743-21apt-config08:30:000
24105652220,2sleep00-21swapper/009:36:010
2219382992219,2cyclictest2493372-21latency_hist10:30:011
2219381992219,2cyclictest2508671-21latency_hist10:40:010
2219381992215,6cyclictest0-21swapper/011:55:000
2219383992118,1cyclictest0-21swapper/210:50:022
2219383992118,1cyclictest0-21swapper/208:00:002
2219382992118,2cyclictest1-21systemd11:26:191
2219381992118,2cyclictest2394644-21grep09:25:000
2219381992118,2cyclictest2347240-21latency_hist08:50:020
2219381992113,5cyclictest2402687-21latency_hist09:30:020
26079882200,2sleep30-21swapper/311:46:083
2219383992018,1cyclictest0-21swapper/211:01:102
2219383992018,1cyclictest0-21swapper/208:50:022
2219382992017,2cyclictest2613066-21grep11:46:181
2219382992013,3cyclictest2219379-21cyclictest10:16:181
221938199209,6cyclictest0-21swapper/010:00:010
2219381992011,5cyclictest2645431-21aten2.4-expect12:11:070
2219383991917,1cyclictest0-21swapper/211:15:002
221938399191,15cyclictest23048812sleep208:16:112
2219382991916,2cyclictest2554287-21systemd-run11:10:011
2219382991916,2cyclictest2395053-21latency_hist09:25:021
2219382991914,2cyclictest3851703-21mta-sts-daemon11:53:511
221938199199,5cyclictest0-21swapper/011:56:130
221938199196,7cyclictest0-21swapper/010:06:080
2219381991916,2cyclictest2302894-21awk08:15:000
2219381991916,2cyclictest0-21swapper/009:20:020
2219381991911,7cyclictest0-21swapper/011:46:050
2219381991910,5cyclictest0-21swapper/011:18:380
2649191180,1ptp4l0-21swapper/311:06:113
2649091180,4phc2sys0-21swapper/308:25:003
2219383991816,1cyclictest0-21swapper/210:56:172
2219383991816,1cyclictest0-21swapper/208:10:012
2219383991815,1cyclictest0-21swapper/210:00:012
2219383991815,1cyclictest0-21swapper/207:21:092
2219383991814,2cyclictest0-21swapper/212:36:372
2219383991814,2cyclictest0-21swapper/210:40:562
221938299189,4cyclictest0-21swapper/109:50:011
221938199188,6cyclictest0-21swapper/009:55:010
221938199188,5cyclictest0-21swapper/010:01:050
221938199188,1cyclictest2592459-21ssh11:36:050
2219381991815,2cyclictest2674858-21latency_hist12:30:010
2219381991815,2cyclictest2539275-21latency_hist11:00:010
2219381991815,2cyclictest2226092-21kthreadcore07:15:010
2219381991815,2cyclictest2219379-21cyclictest10:21:010
2219381991814,3cyclictest2509909-21head10:41:090
221938199181,12cyclictest2229525-21sed07:16:110
2219381991810,7cyclictest0-21swapper/009:15:010
2219381991810,4cyclictest2487359-21irqcore10:26:110
2219381991810,4cyclictest1996-21runrttasks12:03:090
221938399173,6cyclictest0-21swapper/207:40:012
2219383991715,1cyclictest0-21swapper/210:30:012
2219383991715,1cyclictest0-21swapper/207:20:002
2219383991715,1cyclictest0-21swapper/207:15:022
2219383991714,1cyclictest0-21swapper/211:56:112
2219383991714,1cyclictest0-21swapper/211:21:082
2219383991713,2cyclictest0-21swapper/210:17:072
2219382991714,2cyclictest2667321-21/usr/sbin/munin12:25:011
2219382991714,2cyclictest2499012-21wc10:31:151
2219382991714,2cyclictest2422102-21kthreadcore09:41:141
2219382991714,2cyclictest2422102-21kthreadcore09:41:141
2219382991714,2cyclictest2321919-21apt-key08:30:001
2219382991714,2cyclictest2309203-21idleruntime-cro08:20:001
2219382991713,3cyclictest2410127-21latency_hist09:35:021
2219382991713,2cyclictest0-21swapper/112:10:011
2219382991711,2cyclictest0-21swapper/109:15:011
221938199179,4cyclictest2571307-21kthreadcore11:21:130
221938199179,4cyclictest2247139-21tail07:31:050
221938199179,4cyclictest0-21swapper/012:35:010
221938199177,5cyclictest0-21swapper/012:25:020
221938199177,5cyclictest0-21swapper/009:31:080
2219381991715,1cyclictest2432562-21/usr/sbin/munin09:50:000
2219381991714,2cyclictest2644679-21/usr/sbin/munin12:10:000
2219381991710,6cyclictest0-21swapper/011:06:140
2649091160,6phc2sys0-21swapper/310:16:053
2649091160,3phc2sys0-21swapper/310:05:553
2649091160,2phc2sys0-21swapper/309:53:013
2219383991614,1cyclictest0-21swapper/212:19:112
2219383991614,1cyclictest0-21swapper/209:11:172
221938399161,3cyclictest0-21swapper/207:30:012
2219383991613,1cyclictest0-21swapper/211:39:442
2219383991613,1cyclictest0-21swapper/209:35:012
2219383991612,2cyclictest0-21swapper/212:06:122
2219383991612,2cyclictest0-21swapper/209:01:162
2219383991612,2cyclictest0-21swapper/208:50:082
2219383991612,2cyclictest0-21swapper/207:51:142
221938399160,2cyclictest0-21swapper/209:17:282
221938299169,3cyclictest2228441-21tail07:16:061
2219382991614,1cyclictest2599417-21latency_hist11:40:011
2219382991613,2cyclictest3827634-1atopacctd10:41:101
2219382991613,2cyclictest2676759-21irqrtprio12:31:101
2219382991613,2cyclictest2637277-21sh12:05:011
2219382991613,2cyclictest2629877-21/usr/sbin/munin12:00:031
2219382991613,2cyclictest2545000-21sh11:01:191
2219382991613,2cyclictest2523828-21apt-config10:50:021
2219382991613,2cyclictest2468826-21sensors_temp10:11:201
2219382991613,2cyclictest2443624-21kthreadcore09:56:141
2219382991613,2cyclictest2290423-21latency_hist08:05:001
2219382991613,2cyclictest2277877-21sshd07:54:511
2219382991613,2cyclictest2240408-21latency_hist07:25:011
2219382991613,2cyclictest1296-21polkitd08:55:011
2219382991613,2cyclictest0-21swapper/110:55:021
2219382991612,3cyclictest2531421-21sh10:55:031
2219382991612,3cyclictest2365894-21kworker/u16:1+nfsiod10:05:091
2219382991612,2cyclictest0-21swapper/112:30:031
221938199169,6cyclictest3851703-21mta-sts-daemon11:27:280
221938199169,4cyclictest3851702-21mta-sts-daemon11:30:590
221938199169,4cyclictest3851702-21mta-sts-daemon11:30:590
221938199169,3cyclictest0-21swapper/007:46:060
221938199164,2cyclictest2262027-21kthreadcore07:41:140
2219381991613,2cyclictest3824565-21in:imuxsock08:35:020
2219381991613,2cyclictest2555171-21cpuspeed_turbos11:11:080
2219381991613,2cyclictest2522149-21xargs10:46:200
2219381991613,2cyclictest2295959-21install08:06:180
2219381991612,3cyclictest2485847-21kworker/u16:2+nfsiod11:04:460
2219381991610,5cyclictest3851703-21mta-sts-daemon12:35:500
383433398150,4rtkit-daemon3851704-21mta-sts-daemon07:24:570
2649091150,2phc2sys0-21swapper/311:53:253
2649091150,2phc2sys0-21swapper/311:11:443
2649091150,2phc2sys0-21swapper/308:15:503
2649091150,1phc2sys0-21swapper/312:04:363
2219383991513,1cyclictest0-21swapper/210:10:002
2219383991513,1cyclictest0-21swapper/210:03:232
2219383991513,1cyclictest0-21swapper/209:46:132
2219383991513,1cyclictest0-21swapper/208:15:002
2219383991512,1cyclictest0-21swapper/212:21:142
2219383991512,1cyclictest0-21swapper/212:14:352
2219383991512,1cyclictest0-21swapper/212:01:122
2219383991512,1cyclictest0-21swapper/211:27:352
2219383991512,1cyclictest0-21swapper/210:36:062
2219383991512,1cyclictest0-21swapper/210:31:172
2219383991512,1cyclictest0-21swapper/209:51:252
2219383991512,1cyclictest0-21swapper/209:41:122
2219383991512,1cyclictest0-21swapper/209:41:122
2219383991512,1cyclictest0-21swapper/209:36:212
2219383991512,1cyclictest0-21swapper/208:31:142
2219383991512,1cyclictest0-21swapper/208:30:002
2219383991510,2cyclictest0-21swapper/211:05:392
221938299158,6cyclictest3851702-21mta-sts-daemon11:40:501
221938299157,3cyclictest2501640-21sort10:36:091
221938299156,7cyclictest2223038-21tr07:11:141
2219382991513,1cyclictest2265691-21latency_hist07:45:021
2219382991512,2cyclictest2655369-21kthreadcore12:16:131
2219382991512,2cyclictest2586374-21kthreadcore11:31:121
2219382991512,2cyclictest2586374-21kthreadcore11:31:121
2219382991512,2cyclictest2570299-21tr11:21:081
2219382991512,2cyclictest2433344-21tail09:51:081
2219382991512,2cyclictest2381062-21head09:16:101
2219382991512,2cyclictest2335555-21gltestperf08:41:101
2219382991512,2cyclictest2292128-21kthreadcore08:06:131
2219382991512,2cyclictest2279396-21irqrtprio07:56:111
2219382991512,2cyclictest1290-21dbus-daemon12:40:011
2219382991512,2cyclictest0-21swapper/108:50:001
2219382991512,1cyclictest3851703-21mta-sts-daemon10:20:051
2219382991511,3cyclictest2365894-21kworker/u16:1+nfsiod09:38:101
221938199159,5cyclictest3851702-21mta-sts-daemon10:54:500
221938199157,6cyclictest0-21swapper/010:31:060
221938199157,4cyclictest0-21swapper/008:16:060
221938199156,4cyclictest0-21swapper/012:16:060
221938199156,4cyclictest0-21swapper/009:06:070
221938199154,6cyclictest0-21swapper/008:56:110
2219381991512,2cyclictest2471280-21sort10:16:050
2219381991512,2cyclictest2421071-21kthreadcore09:41:140
2219381991512,2cyclictest2421071-21kthreadcore09:41:140
2219381991512,2cyclictest2328414-21systemd-run08:35:010
2219381991512,2cyclictest2309845-21cpuspeed_turbos08:21:080
2219381991512,2cyclictest2285661-21irqrtprio08:01:110
2219381991510,1cyclictest383433398rtkit-daemon07:51:550
2649091140,2phc2sys0-21swapper/310:46:323
2649091140,2phc2sys0-21swapper/309:17:483
2649091140,1phc2sys0-21swapper/308:49:563
221938399145,5cyclictest0-21swapper/208:56:052
2219383991412,1cyclictest0-21swapper/212:34:232
2219383991412,1cyclictest0-21swapper/211:46:182
2219383991412,1cyclictest0-21swapper/209:30:002
2219383991412,1cyclictest0-21swapper/209:06:102
2219383991411,1cyclictest0-21swapper/212:26:132
2219383991411,1cyclictest0-21swapper/211:50:352
2219383991411,1cyclictest0-21swapper/211:41:162
2219383991411,1cyclictest0-21swapper/211:30:532
2219383991411,1cyclictest0-21swapper/211:30:532
2219383991411,1cyclictest0-21swapper/211:16:092
2219383991411,1cyclictest0-21swapper/210:20:112
2219383991411,1cyclictest0-21swapper/209:20:532
2219383991411,1cyclictest0-21swapper/208:21:112
2219383991411,1cyclictest0-21swapper/207:31:152
2219383991410,2cyclictest0-21swapper/210:11:112
2219382991413,1cyclictest351ktimers/109:06:171
2219382991411,2cyclictest2648051-21kthreadcore12:11:131
2219382991411,2cyclictest2362837-21kthreadcore09:01:141
2219382991411,2cyclictest2329920-21kthreadcore08:36:121
2219382991411,2cyclictest2326536-21kthreadcore08:31:141
2219382991411,2cyclictest2310464-21irqcore08:21:111
2219382991411,2cyclictest2303110-21latency_hist08:15:011
2219382991411,2cyclictest2266109-21cpuspeed_turbos07:46:071
2219382991411,2cyclictest0-21swapper/110:05:001
2219382991411,2cyclictest0-21swapper/109:30:011
2219382991410,3cyclictest3851703-21mta-sts-daemon11:15:061
2219382991410,2cyclictest1290-21dbus-daemon07:35:021
221938199145,5cyclictest0-21swapper/007:55:210
2219381991411,2cyclictest2469146-21unixbench_singl10:11:210
2219381991411,2cyclictest2352317-21needreboot08:51:150
2219381991411,2cyclictest2255954-21kthreadcore07:36:130
2219381991411,2cyclictest0-21swapper/007:30:010
2649091130,4phc2sys0-21swapper/310:59:253
2649091130,3phc2sys0-21swapper/309:58:523
2649091130,2phc2sys0-21swapper/312:39:473
2649091130,2phc2sys0-21swapper/312:18:393
2649091130,2phc2sys0-21swapper/311:21:173
2649091130,2phc2sys0-21swapper/311:16:063
2649091130,2phc2sys0-21swapper/310:42:243
2649091130,2phc2sys0-21swapper/310:21:513
2649091130,2phc2sys0-21swapper/309:45:073
2649091130,2phc2sys0-21swapper/307:13:113
2649091130,1phc2sys0-21swapper/311:31:313
2649091130,1phc2sys0-21swapper/311:31:313
2649091130,1phc2sys0-21swapper/309:37:173
2649091130,1phc2sys0-21swapper/309:07:393
2649091130,1phc2sys0-21swapper/308:37:543
221938399138,3cyclictest0-21swapper/207:40:512
221938399136,4cyclictest0-21swapper/210:51:062
221938399131,8cyclictest22845392sleep208:01:052
2219383991310,1cyclictest0-21swapper/208:41:142
2219383991310,1cyclictest0-21swapper/207:46:142
2219382991311,1cyclictest2259299-21latency_hist07:40:011
2219382991310,2cyclictest3851703-21mta-sts-daemon11:11:121
2219382991310,2cyclictest2357132-21kthreadcore08:56:131
2219382991310,2cyclictest2243680-21kthreadcore07:26:121
2219382991310,2cyclictest0-21swapper/107:10:021
2219381991310,2cyclictest2364537-21kthreadcore09:01:150
2219381991310,2cyclictest2335597-21cut08:41:100
2649091120,4phc2sys0-21swapper/311:03:023
2649091120,4phc2sys0-21swapper/307:16:183
2649091120,2phc2sys0-21swapper/311:27:293
2649091120,2phc2sys0-21swapper/309:44:433
2649091120,2phc2sys0-21swapper/309:44:433
2649091120,2phc2sys0-21swapper/309:00:223
2649091120,2phc2sys0-21swapper/307:40:443
2649091120,1phc2sys0-21swapper/308:43:153
2649091120,1phc2sys0-21swapper/307:50:453
2219383991210,1cyclictest0-21swapper/207:10:012
383433398110,3rtkit-daemon3851704-21mta-sts-daemon07:05:250
2649091113,2phc2sys0-21swapper/312:30:493
2649091113,2phc2sys0-21swapper/309:11:083
2649091113,2phc2sys0-21swapper/307:46:133
2649091111,2phc2sys0-21swapper/312:27:453
2649091111,2phc2sys0-21swapper/308:51:123
2649091111,2phc2sys0-21swapper/308:26:083
2649091111,2phc2sys0-21swapper/307:56:143
2649091110,2phc2sys0-21swapper/310:31:053
2649091110,1phc2sys0-21swapper/310:51:573
2649091110,1phc2sys0-21swapper/307:27:093
2649091110,1phc2sys0-21swapper/307:06:363
221938399118,2cyclictest0-21swapper/208:36:092
2649091102,2phc2sys0-21swapper/311:57:593
2649091101,2phc2sys0-21swapper/311:35:223
2649091100,3phc2sys0-21swapper/311:44:553
2649091100,2phc2sys0-21swapper/312:12:063
2649091100,2phc2sys0-21swapper/312:09:253
2649091100,2phc2sys0-21swapper/309:26:473
2649091100,2phc2sys0-21swapper/308:56:053
2649091100,2phc2sys0-21swapper/308:34:373
2649091100,2phc2sys0-21swapper/307:31:173
2649091100,1phc2sys0-21swapper/309:21:463
2649091100,1phc2sys0-21swapper/307:37:473
24697862100,5sleep30-21swapper/310:13:173
264909191,2phc2sys0-21swapper/310:25:083
264909191,2phc2sys0-21swapper/308:11:093
264909190,2phc2sys0-21swapper/312:21:193
264909190,2phc2sys0-21swapper/310:35:223
264909190,2phc2sys0-21swapper/309:30:073
264909190,2phc2sys0-21swapper/308:08:473
264909190,2phc2sys0-21swapper/308:01:113
264909190,2phc2sys0-21swapper/307:21:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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