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2025-12-06 - 00:01
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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 Dec 05, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314755121280,1sleep00-21swapper/011:15:120
295099321030,1sleep10-21swapper/109:20:191
2864985992617,3cyclictest3117272-21ptp4l10:55:361
835298250,8rtkit-daemon2928033-21diskmemload09:15:350
2864984992413,6cyclictest0-21swapper/010:45:010
2864985992320,2cyclictest3094654-21latency_hist10:45:031
2864986992219,1cyclictest0-21swapper/210:00:012
286498599222,19cyclictest3120327-21kworker/u16:0+xprtiod11:10:211
2864984992214,6cyclictest0-21swapper/009:15:020
302487291211,2phc2sys0-21swapper/311:35:413
2864985992118,2cyclictest3014977-21sh10:00:011
2864985992111,4cyclictest0-21swapper/110:40:011
2864984992118,2cyclictest3041248-21apt-key10:15:000
2864984992118,2cyclictest1635-21dbus-daemon10:05:010
2864984992112,5cyclictest3126137-21/usr/sbin/munin11:00:220
302487291200,2phc2sys0-21swapper/311:23:233
2864986992018,1cyclictest0-21swapper/207:15:012
2864985992010,4cyclictest0-21swapper/107:10:071
2864984992013,6cyclictest1652-1atopacctd10:45:220
286498499201,2cyclictest0-21swapper/012:20:130
2864984992011,5cyclictest2963491-21cstates09:30:110
2864984992010,6cyclictest3191487-21kthreadcore11:40:130
835298190,3rtkit-daemon2928033-21diskmemload10:03:301
302487291191,3phc2sys0-21swapper/311:00:133
302487291190,2phc2sys0-21swapper/310:31:563
302487291190,2phc2sys0-21swapper/309:37:463
2864985991912,3cyclictest2963959-21if_enp1s009:30:131
286498499198,6cyclictest0-21swapper/010:25:020
286498499198,6cyclictest0-21swapper/010:10:010
2864984991912,6cyclictest0-21swapper/011:10:160
286498699186,7cyclictest0-21swapper/209:15:002
2864986991815,1cyclictest0-21swapper/212:00:002
2864986991815,1cyclictest0-21swapper/211:50:162
2864986991815,1cyclictest0-21swapper/211:45:002
286498599189,4cyclictest0-21swapper/111:05:211
2864985991815,2cyclictest3041152-21sh10:15:001
2864985991815,2cyclictest0-21swapper/112:15:011
2864985991814,3cyclictest3239027-21mailstats12:05:211
286498499189,5cyclictest3047353-21sshd10:15:240
286498499188,6cyclictest0-21swapper/011:30:020
286498499186,7cyclictest0-21swapper/012:15:010
286498499186,5cyclictest0-21swapper/011:45:080
2864984991815,2cyclictest1700-21systemd-logind08:05:010
2864984991811,6cyclictest3175420-21kthreadcore11:30:150
302487291171,4phc2sys0-21swapper/311:30:083
302487291171,3phc2sys0-21swapper/308:40:113
302487291170,3phc2sys0-21swapper/312:12:273
302487291170,3phc2sys0-21swapper/310:56:093
302487291170,2phc2sys0-21swapper/310:00:423
29548732170,3sleep30-21swapper/309:25:103
286498699171,8cyclictest0-21swapper/209:50:012
2864986991714,1cyclictest0-21swapper/211:19:382
2864986991714,1cyclictest0-21swapper/210:55:012
2864986991714,1cyclictest0-21swapper/210:15:002
2864986991714,1cyclictest0-21swapper/208:20:002
286498599179,3cyclictest0-21swapper/112:05:011
2864985991714,2cyclictest3076972-21latency_hist10:35:021
2864985991714,2cyclictest2945328-21sh09:20:011
2864985991714,2cyclictest2929028-21fschecks_count09:10:081
2864985991714,2cyclictest0-21swapper/111:20:001
286498499179,7cyclictest2904826-21systemctl08:20:000
286498499179,4cyclictest3000714-21kthreadcore09:50:140
286498499178,5cyclictest3220937-21kthreadcore11:55:150
286498499178,3cyclictest0-21swapper/011:20:160
286498499176,2cyclictest0-21swapper/012:35:180
2864984991714,2cyclictest3269397-21cut12:25:130
2864984991714,2cyclictest2946428-21fschecks_time09:20:100
2864984991714,2cyclictest2926791-21systemd-run09:00:010
2864984991714,2cyclictest2871335-21cut07:15:000
2864984991710,6cyclictest0-21swapper/011:00:010
286498499170,13cyclictest0-21swapper/009:59:540
835298160,3rtkit-daemon3278299-21sed12:30:140
302487291160,2phc2sys0-21swapper/311:57:363
302487291160,2phc2sys0-21swapper/309:53:093
2864986991614,1cyclictest0-21swapper/210:40:022
2864986991613,1cyclictest0-21swapper/212:30:002
2864986991613,1cyclictest0-21swapper/209:20:022
2864986991613,1cyclictest0-21swapper/207:29:052
2864986991612,2cyclictest0-21swapper/212:24:412
2864986991612,2cyclictest0-21swapper/210:00:192
2864986991612,2cyclictest0-21swapper/208:40:012
286498599169,3cyclictest3274000-21/usr/sbin/munin12:25:221
2864985991613,2cyclictest3216221-21systemd-run11:55:011
2864985991613,2cyclictest2920592-21latency_hist08:55:001
2864985991613,2cyclictest2904963-21latency_hist08:20:011
2864985991613,2cyclictest0-21swapper/108:35:011
2864985991612,2cyclictest1629-21avahi-daemon07:50:021
286498599160,1cyclictest0-21swapper/111:21:181
286498499168,7cyclictest0-21swapper/009:35:050
286498499168,4cyclictest0-21swapper/011:50:150
2864984991614,1cyclictest3242169-21cron12:10:000
2864984991612,2cyclictest0-21swapper/007:50:010
2864984991611,1cyclictest0-21swapper/010:35:170
302487291150,3phc2sys0-21swapper/311:29:123
302487291150,2phc2sys0-21swapper/312:27:323
302487291150,2phc2sys0-21swapper/310:40:273
2864986991512,1cyclictest0-21swapper/212:11:352
2864986991512,1cyclictest0-21swapper/212:00:182
2864986991512,1cyclictest0-21swapper/211:01:342
2864986991512,1cyclictest0-21swapper/210:30:482
2864986991512,1cyclictest0-21swapper/210:25:172
2864986991512,1cyclictest0-21swapper/209:40:022
2864986991512,1cyclictest0-21swapper/209:35:002
2864986991512,1cyclictest0-21swapper/208:55:132
2864986991512,1cyclictest0-21swapper/207:40:162
2864986991511,2cyclictest0-21swapper/210:45:122
286498599156,4cyclictest0-21swapper/112:00:011
286498599153,7cyclictest2997478-21perf09:50:001
286498599151,6cyclictest3259220-21rm12:19:331
286498599151,5cyclictest3067476-21sshd10:29:281
2864985991512,2cyclictest8351-21rtkit-daemon08:43:111
2864985991512,2cyclictest3278357-21sed12:30:141
2864985991512,2cyclictest3198680-21apt-key11:45:001
2864985991512,2cyclictest3125226-21kthreadcore11:00:161
2864985991512,2cyclictest3111752-21/usr/sbin/munin10:55:001
2864985991512,2cyclictest3043354-21kthreadcore10:15:131
2864985991512,2cyclictest3012123-21kworker/u16:0-rpciod10:20:091
2864985991512,2cyclictest2981259-21gltestperf09:40:111
2864985991512,2cyclictest2962968-21sh09:30:011
2864985991512,2cyclictest2884367-21kthreadcore07:40:131
2864985991512,2cyclictest2864980-21cyclictest08:55:121
2864985991512,2cyclictest1629-21avahi-daemon08:15:011
2864985991512,2cyclictest0-21swapper/112:25:001
2864985991512,2cyclictest0-21swapper/111:30:011
2864985991512,2cyclictest0-21swapper/107:40:021
2864985991511,3cyclictest2974630-21kthreadcore09:35:141
286498499155,5cyclictest0-21swapper/011:35:180
286498499155,5cyclictest0-21swapper/009:45:080
286498499154,5cyclictest0-21swapper/009:10:020
286498499151,3cyclictest0-21swapper/011:08:160
2864984991512,2cyclictest2983464-21kthreadcore09:40:150
2864984991512,2cyclictest2890249-21perf07:55:000
2864984991512,2cyclictest2864980-21cyclictest07:40:100
2864984991511,3cyclictest3094626-21kworker/u16:1+nfsiod10:54:280
2864984991511,3cyclictest2959371-21pmu-power09:25:180
286498499150,9cyclictest3073388-21/usr/sbin/munin10:30:230
302487291140,2phc2sys0-21swapper/312:34:303
302487291140,2phc2sys0-21swapper/312:06:073
302487291140,2phc2sys0-21swapper/310:39:553
302487291140,2phc2sys0-21swapper/310:06:323
302487291140,2phc2sys0-21swapper/307:31:053
2864986991412,1cyclictest0-21swapper/210:45:012
2864986991412,1cyclictest0-21swapper/210:15:142
2864986991412,1cyclictest0-21swapper/210:10:022
2864986991412,1cyclictest0-21swapper/207:25:022
2864986991411,2cyclictest0-21swapper/208:25:142
2864986991411,1cyclictest0-21swapper/212:40:012
2864986991411,1cyclictest0-21swapper/212:05:222
2864986991411,1cyclictest0-21swapper/211:45:122
2864986991411,1cyclictest0-21swapper/211:20:152
2864986991411,1cyclictest0-21swapper/211:05:162
2864986991411,1cyclictest0-21swapper/211:00:002
2864986991411,1cyclictest0-21swapper/210:24:482
2864986991411,1cyclictest0-21swapper/209:50:122
2864986991411,1cyclictest0-21swapper/209:29:252
2864986991411,1cyclictest0-21swapper/208:10:012
2864986991411,1cyclictest0-21swapper/208:00:002
2864986991411,1cyclictest0-21swapper/207:39:312
2864985991412,1cyclictest8351-21rtkit-daemon09:06:291
2864985991411,2cyclictest3204358-21timerandwakeup11:45:211
2864985991411,2cyclictest3003042-21sensors_temp09:50:181
2864985991411,2cyclictest2927476-21latency_hist09:05:011
2864985991411,2cyclictest2905682-21latency_hist08:25:011
2864985991411,2cyclictest2874291-21basename07:20:001
2864985991411,2cyclictest1635-21dbus-daemon10:10:021
2864985991410,3cyclictest3288313-21kthreadcore12:35:121
286498499143,6cyclictest0-21swapper/008:51:230
286498499141,7cyclictest1635-21dbus-daemon07:35:010
2864984991413,1cyclictest0-21swapper/007:57:480
2864984991411,2cyclictest3228046-21kthreadcore12:00:140
2864984991411,2cyclictest2927332-21idleruntime-cro09:05:000
2864984991411,2cyclictest2918470-21threads08:40:200
2864984991411,2cyclictest2864980-21cyclictest12:15:160
286498499140,9cyclictest2908486-21grep08:25:140
286498499140,3cyclictest0-21swapper/010:25:190
302487291130,2phc2sys0-21swapper/311:52:203
302487291130,2phc2sys0-21swapper/309:47:323
302487291130,2phc2sys0-21swapper/309:22:033
302487291130,2phc2sys0-21swapper/309:13:173
2864986991311,1cyclictest0-21swapper/209:45:002
2864986991311,1cyclictest0-21swapper/208:55:012
2864986991310,1cyclictest0-21swapper/212:30:152
2864986991310,1cyclictest0-21swapper/211:25:092
2864986991310,1cyclictest0-21swapper/209:20:142
2864986991310,1cyclictest0-21swapper/207:35:022
286498599138,4cyclictest170550irq/121-eno111:37:251
286498599134,8cyclictest3180068-1ssh11:33:181
286498599131,7cyclictest2874982-21awk07:25:001
2864985991310,2cyclictest3098176-21kthreadcore10:45:171
2864985991310,2cyclictest2909976-21kthreadcore08:25:141
2864985991310,2cyclictest2875940-21cut07:25:101
2864985991310,2cyclictest2864980-21cyclictest07:55:111
2864985991310,2cyclictest0-21swapper/107:10:001
286498499131,7cyclictest0-21swapper/007:25:080
2864984991311,1cyclictest2864980-21cyclictest07:20:430
2864984991310,2cyclictest1652-1atopacctd08:10:010
32864712120,2sleep30-21swapper/312:35:073
302487291123,2phc2sys0-21swapper/307:58:443
302487291122,2phc2sys0-21swapper/311:43:463
302487291122,2phc2sys0-21swapper/310:25:153
302487291120,2phc2sys0-21swapper/309:59:563
302487291120,2phc2sys0-21swapper/309:40:143
302487291120,2phc2sys0-21swapper/309:09:233
286498699129,2cyclictest0-21swapper/211:35:122
286498699129,1cyclictest0-21swapper/212:15:062
286498699129,1cyclictest0-21swapper/209:06:412
286498699129,1cyclictest0-21swapper/208:10:182
286498699128,2cyclictest0-21swapper/211:32:002
2864986991210,1cyclictest0-21swapper/211:10:162
286498599129,2cyclictest0-21swapper/107:55:001
286498599121,6cyclictest2898013-21latency_hist08:10:011
286498599121,6cyclictest2897313-21latency_hist08:05:001
2864985991210,1cyclictest0-21swapper/107:35:001
286498499129,2cyclictest2873279-21kthreadcore07:15:020
286498499129,2cyclictest1-21systemd08:48:230
286498499125,2cyclictest11systemd08:35:020
286498499120,7cyclictest2912687-21taskset08:36:110
286498499120,7cyclictest2898310-21/usr/sbin/munin08:10:190
32320532110,2sleep30-21swapper/312:02:383
302487291113,3phc2sys0-21swapper/311:17:573
302487291111,3phc2sys0-21swapper/310:50:083
302487291111,3phc2sys0-21swapper/310:15:093
302487291111,3phc2sys0-21swapper/307:10:143
302487291111,2phc2sys0-21swapper/310:20:063
302487291110,3phc2sys0-21swapper/307:25:133
302487291110,1phc2sys0-21swapper/308:02:163
286498699119,1cyclictest0-21swapper/209:02:352
286498699119,1cyclictest0-21swapper/208:48:152
286498699119,1cyclictest0-21swapper/208:40:162
286498699119,1cyclictest0-21swapper/207:16:062
286498699118,1cyclictest0-21swapper/208:01:092
286498699118,1cyclictest0-21swapper/207:45:472
286498699118,1cyclictest0-21swapper/207:10:012
286498599117,2cyclictest0-21swapper/108:40:011
286498599115,5cyclictest1635-21dbus-daemon08:50:001
286498499118,2cyclictest0-21swapper/008:25:020
286498499118,2cyclictest0-21swapper/007:36:560
302487291101,4phc2sys0-21swapper/309:15:063
302487291101,4phc2sys0-21swapper/307:20:003
302487291101,2phc2sys0-21swapper/307:53:153
302487291100,6phc2sys2906611-21chrt08:25:113
302487291100,4phc2sys0-21swapper/308:55:053
302487291100,3phc2sys0-21swapper/312:22:103
302487291100,3phc2sys0-21swapper/312:17:053
302487291100,3phc2sys0-21swapper/311:05:113
302487291100,3phc2sys0-21swapper/310:47:193
302487291100,2phc2sys0-21swapper/311:47:553
302487291100,2phc2sys0-21swapper/310:12:283
302487291100,2phc2sys0-21swapper/309:30:563
302487291100,2phc2sys0-21swapper/308:50:013
302487291100,2phc2sys0-21swapper/308:34:503
302487291100,2phc2sys0-21swapper/308:10:143
302487291100,2phc2sys0-21swapper/307:50:023
286498699108,1cyclictest0-21swapper/208:30:512
286498699108,1cyclictest0-21swapper/208:20:362
286498699108,1cyclictest0-21swapper/207:50:552
286498499103,5cyclictest1803-21gdbus07:10:010
30248729191,2phc2sys0-21swapper/311:10:083
30248729190,2phc2sys0-21swapper/309:02:393
30248729190,2phc2sys0-21swapper/308:35:263
30248729190,2phc2sys0-21swapper/308:23:433
30248729190,2phc2sys0-21swapper/308:06:413
30248729190,2phc2sys0-21swapper/307:23:533
30248729181,3phc2sys0-21swapper/307:40:023
30248729180,3phc2sys0-21swapper/307:35:023
30248729180,2phc2sys0-21swapper/308:50:293
30248729180,2phc2sys0-21swapper/308:15:033
30248729180,2phc2sys0-21swapper/307:05:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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