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2026-06-21 - 15:39
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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 Jun 21, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268622421720,2sleep30-21swapper/307:35:123
304750321560,2sleep30-21swapper/311:55:183
26849172990,2sleep20-21swapper/207:35:032
29831932760,1sleep02983191-21ssh11:14:270
2651813993329,3cyclictest2844097-21grep09:40:010
26706872310,1sleep00-21swapper/007:20:140
2651814992418,2cyclictest67250irq/126-eno110:05:161
2651815992321,1cyclictest0-21swapper/208:10:032
492398220,3rtkit-daemon1237-21mta-sts-daemon09:01:311
2651815992220,1cyclictest0-21swapper/211:10:022
2651815992220,1cyclictest0-21swapper/211:10:022
2651815992220,1cyclictest0-21swapper/210:45:022
265181399228,9cyclictest0-21swapper/012:40:020
2651814992118,2cyclictest2658679-21grep07:15:021
265181399219,7cyclictest0-21swapper/011:40:110
2651813992115,5cyclictest3042440-21cstates11:55:060
2651815992017,1cyclictest0-21swapper/210:25:002
2651814992016,2cyclictest700-21rs:main1
2651814992015,3cyclictest274-21systemd-journal12:29:561
2651814992011,4cyclictest0-21swapper/110:10:091
2651814992010,6cyclictest2812371-21kthreadcore09:15:121
2651813992011,5cyclictest0-21swapper/009:55:010
2651815991917,1cyclictest0-21swapper/209:55:022
2651815991916,1cyclictest0-21swapper/211:55:122
2651815991916,1cyclictest0-21swapper/211:20:172
2651815991915,2cyclictest0-21swapper/210:35:172
265181399199,6cyclictest0-21swapper/009:45:020
265181399199,6cyclictest0-21swapper/009:45:020
265181399198,6cyclictest0-21swapper/011:25:050
2651813991916,2cyclictest1246-21mta-sts-daemon08:50:120
2651813991916,2cyclictest0-21swapper/008:10:030
2651813991911,7cyclictest0-21swapper/010:30:010
2651813991910,5cyclictest2969179-21/usr/sbin/munin11:05:070
2651813991910,5cyclictest2969179-21/usr/sbin/munin11:05:070
3153791180,2phc2sys0-21swapper/309:24:213
3153791180,2phc2sys0-21swapper/308:15:373
2651815991816,1cyclictest0-21swapper/212:20:022
2651815991815,1cyclictest0-21swapper/209:45:012
2651815991815,1cyclictest0-21swapper/209:45:012
2651814991815,2cyclictest2977016-21sh11:10:081
2651814991815,2cyclictest2881012-21/usr/sbin/munin10:05:011
2651814991815,2cyclictest2833001-21kthreadcore09:30:141
2651814991815,2cyclictest2727456-21/usr/sbin/munin08:10:021
2651814991813,3cyclictest700-21rs:main1
265181399188,6cyclictest0-21swapper/012:20:130
265181399188,5cyclictest0-21swapper/012:20:020
265181399188,5cyclictest0-21swapper/010:39:160
265181399187,6cyclictest0-21swapper/012:03:160
265181399187,6cyclictest0-21swapper/010:30:070
2651813991815,2cyclictest2945292-21unixbench_multi10:45:200
2651813991815,2cyclictest1247-21mta-sts-daemon08:15:080
2651813991815,2cyclictest0-21swapper/011:35:010
2651813991810,7cyclictest0-21swapper/010:10:200
2651813991810,4cyclictest2886110-21grep10:05:180
3153791170,2phc2sys0-21swapper/311:10:273
3153791170,2phc2sys0-21swapper/310:14:113
3153791170,1phc2sys0-21swapper/312:17:233
2651815991714,1cyclictest0-21swapper/212:35:012
2651815991714,1cyclictest0-21swapper/207:45:012
265181499179,3cyclictest0-21swapper/110:20:161
2651814991714,2cyclictest2965932-21kthreadcore11:00:151
2651814991714,2cyclictest2752714-21fschecks_time08:30:101
2651814991714,2cyclictest0-21swapper/110:45:011
2651814991713,3cyclictest3056417-21kworker/u16:0+nfsiod12:06:591
2651814991710,3cyclictest2896639-21if_enp1s010:15:111
265181399177,5cyclictest0-21swapper/012:05:080
265181399171,6cyclictest0-21swapper/011:36:430
2651813991715,1cyclictest2858834-21apt-key09:50:020
2651813991714,2cyclictest4922-21rtkit-daemon11:23:370
2651813991714,2cyclictest2658623-21gltestperf07:15:020
2651813991714,2cyclictest1237-21mta-sts-daemon10:20:150
2651813991711,5cyclictest1247-21mta-sts-daemon09:28:420
265181399170,4cyclictest2807978-21/usr/sbin/munin09:15:160
3153791161,5phc2sys0-21swapper/310:20:013
3153791160,5phc2sys0-21swapper/310:08:253
3153791160,2phc2sys0-21swapper/312:25:093
3153791160,2phc2sys0-21swapper/312:04:483
3153791160,2phc2sys0-21swapper/310:22:113
3153791160,2phc2sys0-21swapper/309:38:033
2651815991614,1cyclictest0-21swapper/209:55:082
2651815991614,1cyclictest0-21swapper/208:55:012
2651815991614,1cyclictest0-21swapper/208:40:012
2651815991614,1cyclictest0-21swapper/208:30:032
2651815991614,1cyclictest0-21swapper/207:25:022
2651815991613,2cyclictest0-21swapper/210:05:012
2651815991613,1cyclictest0-21swapper/212:05:072
2651815991613,1cyclictest0-21swapper/211:25:192
2651815991613,1cyclictest0-21swapper/209:35:182
2651815991613,1cyclictest0-21swapper/208:05:012
2651815991613,1cyclictest0-21swapper/207:40:012
2651815991613,1cyclictest0-21swapper/207:10:022
2651815991612,2cyclictest0-21swapper/212:36:402
265181499169,3cyclictest2782643-21aten2.4-expect08:55:061
265181499167,4cyclictest0-21swapper/110:00:001
2651814991614,1cyclictest2746127-21aten2.4-expect08:25:061
2651814991613,2cyclictest671-21polkitd10:40:021
2651814991613,2cyclictest671-21polkitd08:00:021
2651814991613,2cyclictest3079210-21cut12:20:081
2651814991613,2cyclictest3056480-21systemd-run12:05:021
2651814991613,2cyclictest3027612-21aten2.4-expect11:45:051
2651814991613,2cyclictest3010593-21wc11:30:151
2651814991613,2cyclictest3005504-21/usr/sbin/munin11:30:021
2651814991613,2cyclictest2859285-21acpi09:50:061
2651814991613,2cyclictest2816168-21if_enp1s009:20:091
2651814991613,2cyclictest2800457-21sh09:10:011
2651814991613,2cyclictest2727786-21apt08:10:051
2651814991613,2cyclictest2727786-21apt08:10:051
2651814991613,2cyclictest2651811-21cyclictest10:50:131
2651814991613,2cyclictest0-21swapper/112:20:021
2651814991612,3cyclictest2770120-21kworker/u16:0+nfsiod10:32:151
2651814991611,2cyclictest1237-21mta-sts-daemon11:19:211
265181499160,14cyclictest2807677-21apt09:15:011
265181399169,6cyclictest1242-21mta-sts-daemon07:35:070
2651813991613,2cyclictest2939406-21apt-key10:45:010
2651813991613,2cyclictest2897054-21irqrtprio10:15:120
2651813991613,2cyclictest2805844-21mailstats09:10:170
2651813991613,2cyclictest2770160-21munin-plugin-st08:45:020
2651813991613,2cyclictest2745690-21latency_hist08:25:000
2651813991613,2cyclictest2651991-21latency_hist07:10:020
2651813991613,2cyclictest1242-21mta-sts-daemon12:30:380
2651813991612,3cyclictest2858761-21kworker/u16:3+nfsiod10:56:200
2651813991611,4cyclictest1237-21mta-sts-daemon11:15:300
3153791151,7phc2sys0-21swapper/312:35:053
3153791151,5phc2sys0-21swapper/312:30:053
3153791150,5phc2sys0-21swapper/311:53:023
3153791150,2phc2sys0-21swapper/309:41:563
3153791150,2phc2sys0-21swapper/309:41:563
3153791150,2phc2sys0-21swapper/309:30:453
302174221512,1sleep20-21swapper/211:40:112
265181599151,6cyclictest0-21swapper/210:45:072
2651815991513,1cyclictest0-21swapper/212:20:062
2651815991513,1cyclictest0-21swapper/210:10:132
2651815991513,1cyclictest0-21swapper/209:25:022
2651815991513,1cyclictest0-21swapper/207:55:032
2651815991512,1cyclictest0-21swapper/212:25:072
2651815991512,1cyclictest0-21swapper/212:10:042
2651815991512,1cyclictest0-21swapper/211:35:082
2651815991512,1cyclictest0-21swapper/210:05:222
2651815991512,1cyclictest0-21swapper/209:35:032
2651815991512,1cyclictest0-21swapper/209:10:072
2651815991512,1cyclictest0-21swapper/208:30:002
2651815991512,1cyclictest0-21swapper/207:30:012
2651815991511,2cyclictest0-21swapper/208:45:192
2651815991510,2cyclictest0-21swapper/210:50:052
2651814991512,2cyclictest3937-21cron10:30:011
2651814991512,2cyclictest3098435-21timerandwakeup12:30:191
2651814991512,2cyclictest3047143-21mailstats11:55:151
2651814991512,2cyclictest3039963-21switchtime11:50:181
2651814991512,2cyclictest2994513-21kthreadcore11:20:131
2651814991512,2cyclictest2852360-21fschecks_time09:45:101
2651814991512,2cyclictest1246-21mta-sts-daemon07:25:441
2651814991512,2cyclictest0-21swapper/109:45:011
2651814991512,2cyclictest0-21swapper/109:45:011
2651814991512,2cyclictest0-21swapper/108:40:001
2651814991511,3cyclictest765-1atopacctd08:40:061
2651814991511,3cyclictest3023067-21kthreadcore11:40:111
2651814991511,3cyclictest2961804-21kworker/u16:1+nfsiod11:36:031
2651814991511,2cyclictest2947123-21sh10:50:021
265181399155,6cyclictest0-21swapper/010:01:040
265181399155,5cyclictest0-21swapper/012:10:040
265181399154,4cyclictest2821725-21sshd09:23:160
265181399154,1cyclictest0-21swapper/008:55:050
265181399153,7cyclictest2770378-21aten2.4-expect08:45:050
2651813991513,1cyclictest1237-21mta-sts-daemon09:05:180
2651813991512,2cyclictest4922-21rtkit-daemon11:02:360
2651813991512,2cyclictest2961804-21kworker/u16:1+nfsiod12:26:070
2651813991512,2cyclictest2762234-21kthreadcore08:35:150
2651813991512,2cyclictest2651811-21cyclictest07:40:120
2651813991512,2cyclictest1242-21mta-sts-daemon11:50:130
2651813991512,2cyclictest1242-21mta-sts-daemon10:52:140
2651813991512,2cyclictest0-21swapper/007:55:010
2651813991511,3cyclictest2680883-21kthreadcore07:30:140
265181399150,11cyclictest3034142-21ssh11:49:040
3153791141,2phc2sys0-21swapper/309:17:283
3153791140,2phc2sys0-21swapper/311:36:353
3153791140,2phc2sys0-21swapper/311:26:023
3153791140,2phc2sys0-21swapper/310:25:373
3153791140,2phc2sys0-21swapper/310:00:363
3153791140,2phc2sys0-21swapper/309:59:403
3153791140,1phc2sys0-21swapper/309:47:133
3153791140,1phc2sys0-21swapper/308:23:543
265181599149,3cyclictest27910922sleep209:00:142
2651815991412,1cyclictest0-21swapper/211:10:132
2651815991412,1cyclictest0-21swapper/210:30:022
2651815991412,1cyclictest0-21swapper/209:27:162
2651815991412,1cyclictest0-21swapper/207:15:022
2651815991411,2cyclictest0-21swapper/209:49:262
2651815991411,2cyclictest0-21swapper/207:15:152
2651815991411,1cyclictest0-21swapper/211:45:112
2651815991411,1cyclictest0-21swapper/211:30:182
2651815991411,1cyclictest0-21swapper/211:15:132
2651815991411,1cyclictest0-21swapper/211:00:322
2651815991411,1cyclictest0-21swapper/209:15:122
2651815991411,1cyclictest0-21swapper/209:07:152
2651815991411,1cyclictest0-21swapper/208:55:092
2651815991410,3cyclictest0-21swapper/210:30:192
2651815991410,2cyclictest0-21swapper/207:48:092
265181499148,2cyclictest67250irq/126-eno112:10:131
2651814991411,2cyclictest2969548-21tr11:05:081
2651814991411,2cyclictest2969548-21tr11:05:081
2651814991411,2cyclictest2838433-21kthreadcore09:35:111
2651814991411,2cyclictest2822640-21aten_repower_en09:25:061
2651814991411,2cyclictest2679572-21grep07:30:101
2651814991411,2cyclictest2670323-21kthreadcore07:20:141
2651814991411,2cyclictest1247-21mta-sts-daemon10:55:191
2651814991411,2cyclictest1246-21mta-sts-daemon07:35:051
2651814991411,2cyclictest0-21swapper/107:45:081
2651814991410,3cyclictest2709087-21latency_hist07:55:021
265181399149,3cyclictest0-21swapper/007:15:030
265181399148,5cyclictest2790115-21tr09:00:130
265181399143,7cyclictest2675604-21kthreadcore07:25:120
2651813991411,2cyclictest2871758-21mailstats09:55:160
2651813991411,2cyclictest2830094-21cpuspeed_turbos09:30:080
2651813991411,2cyclictest2747363-21kthreadcore08:25:120
2651813991411,2cyclictest2727869-21aten_repower_fr08:10:060
2651813991411,2cyclictest2727869-21aten_repower_fr08:10:060
2651813991411,2cyclictest2711976-21kthreadcore07:55:120
3153791130,3phc2sys0-21swapper/308:05:073
3153791130,2phc2sys0-21swapper/312:14:593
3153791130,2phc2sys0-21swapper/311:24:533
3153791130,2phc2sys0-21swapper/307:55:483
3153791130,2phc2sys0-21swapper/307:24:393
3153791130,1phc2sys0-21swapper/311:41:133
3153791130,1phc2sys0-21swapper/310:37:383
265181599139,2cyclictest0-21swapper/208:15:492
2651815991311,1cyclictest0-21swapper/212:00:062
2651815991311,1cyclictest0-21swapper/211:50:032
2651815991311,1cyclictest0-21swapper/210:15:102
2651815991311,1cyclictest0-21swapper/208:40:062
2651815991311,1cyclictest0-21swapper/208:13:242
2651815991311,1cyclictest0-21swapper/208:13:242
2651815991310,1cyclictest0-21swapper/210:55:142
265181499139,3cyclictest2770637-21cpuspeed_turbos08:45:071
265181499139,3cyclictest2663336-21kthreadcore07:15:141
2651814991310,2cyclictest2735957-21kthreadcore08:15:131
2651814991310,2cyclictest2697053-21latency_hist07:45:021
2651814991310,2cyclictest1242-21mta-sts-daemon12:36:111
265181399139,3cyclictest2755968-21kthreadcore08:30:140
265181399139,3cyclictest2717676-21kthreadcore08:00:140
2651813991310,2cyclictest1237-21mta-sts-daemon07:45:090
3153791122,2phc2sys0-21swapper/312:09:583
3153791121,2phc2sys0-21swapper/311:05:143
3153791121,2phc2sys0-21swapper/311:05:143
3153791120,3phc2sys0-21swapper/310:45:363
3153791120,2phc2sys0-21swapper/309:11:193
3153791120,2phc2sys0-21swapper/308:48:183
3153791120,2phc2sys0-21swapper/307:10:083
3153791120,1phc2sys0-21swapper/311:45:293
29677882120,2sleep30-21swapper/311:01:443
265181499129,2cyclictest2742460-21kthreadcore08:20:141
492398110,6rtkit-daemon2646752-21if_enp1s0.807:05:101
3153791112,2phc2sys0-21swapper/310:50:153
3153791110,5phc2sys0-21swapper/308:35:073
3153791110,2phc2sys0-21swapper/311:34:193
3153791110,2phc2sys0-21swapper/309:25:053
3153791110,1phc2sys0-21swapper/310:32:143
29906212110,3sleep30-21swapper/311:19:443
265181599119,1cyclictest0-21swapper/208:20:072
265181599119,1cyclictest0-21swapper/207:55:122
3153791102,3phc2sys0-21swapper/307:35:013
3153791101,2phc2sys0-21swapper/309:52:593
3153791101,2phc2sys0-21swapper/309:05:063
3153791101,2phc2sys0-21swapper/308:10:083
3153791101,2phc2sys0-21swapper/308:10:083
3153791100,2phc2sys0-21swapper/310:57:323
3153791100,2phc2sys0-21swapper/308:50:153
3153791100,2phc2sys0-21swapper/307:40:103
3153791100,2phc2sys0-21swapper/307:28:243
3153791100,1phc2sys0-21swapper/308:57:363
315379191,5phc2sys2645903-21taskset07:05:023
315379191,3phc2sys0-21swapper/309:00:073
315379191,2phc2sys0-21swapper/308:30:033
315379190,4phc2sys0-21swapper/308:00:073
315379190,2phc2sys0-21swapper/312:20:403
315379190,2phc2sys0-21swapper/310:40:093
315379190,2phc2sys0-21swapper/308:40:053
315379190,2phc2sys0-21swapper/307:50:083
315379190,2phc2sys0-21swapper/307:45:063
315379190,2phc2sys0-21swapper/307:15:093
315379190,1phc2sys0-21swapper/308:28:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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