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2026-05-19 - 16:45
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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 all highest latencies:
System rackeslot2.osadl.org (updated Tue May 19, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256381721640,2sleep30-21swapper/310:00:143
239392021270,2sleep30-21swapper/308:00:023
276886121110,2sleep30-21swapper/312:15:103
24670632370,2sleep20-21swapper/208:55:122
25738442300,2sleep0241rcuc/010:10:010
23509462280,2sleep02350943-21ps07:25:090
2328272992620,2cyclictest0-21swapper/211:25:022
2328270992617,5cyclictest2779868-21/usr/sbin/munin12:25:160
2328270992615,6cyclictest0-21swapper/011:50:010
2328271992521,2cyclictest3824565-21in:imuxsock07:15:011
2328271992320,2cyclictest2672876-21apt-get11:15:001
2328271992317,2cyclictest134050irq/121-eno112:34:161
2328271992219,2cyclictest2757140-21latency_hist12:10:011
2328271992219,2cyclictest1-21systemd11:45:021
2328271992218,3cyclictest2711207-21cron11:40:001
2328270992218,2cyclictest2431450-21sh08:30:010
2328272992119,1cyclictest0-21swapper/212:20:002
2328272992119,1cyclictest0-21swapper/211:20:012
2328272992118,1cyclictest0-21swapper/210:30:002
2328270992118,2cyclictest2527479-21latency_hist09:40:010
2328270992118,2cyclictest1290-21dbus-daemon07:40:010
2328270992113,4cyclictest2734391-21latency_hist11:55:020
2328270992113,4cyclictest2512633-21cpuspeed_turbos09:30:040
2328270992112,6cyclictest3851705-21mta-sts-daemon12:00:010
2328270992110,6cyclictest0-21swapper/012:05:010
383433398200,4rtkit-daemon3851705-21mta-sts-daemon08:12:110
383433398200,3rtkit-daemon3851703-21mta-sts-daemon11:09:571
2328272992018,1cyclictest0-21swapper/212:05:032
2328272992017,1cyclictest0-21swapper/209:25:012
2328272992017,1cyclictest0-21swapper/209:10:022
2328272992017,1cyclictest0-21swapper/208:05:012
2328271992017,2cyclictest2749621-21systemd-run12:05:021
232827099208,7cyclictest0-21swapper/010:35:030
232827099204,5cyclictest2581276-21grep10:15:010
2328270992017,2cyclictest2504774-21telnet09:25:020
2328270992017,2cyclictest1290-21dbus-daemon12:20:030
2328270992016,2cyclictest0-21swapper/011:20:030
2649091190,2phc2sys0-21swapper/311:26:023
2649091190,2phc2sys0-21swapper/311:26:023
2328272991916,1cyclictest0-21swapper/207:45:062
232827299191,4cyclictest0-21swapper/208:40:002
2328271991916,2cyclictest2557995-21sh10:00:001
2328271991916,2cyclictest1290-21dbus-daemon08:05:021
2328271991916,2cyclictest1-21systemd07:40:011
2328270991916,2cyclictest2673254-21grep11:15:010
2328270991916,2cyclictest2650002-21sh11:00:000
2328270991916,2cyclictest0-21swapper/009:20:010
232827099190,2cyclictest2456242-21cron08:50:000
2649091180,2phc2sys0-21swapper/310:59:003
2328272991816,1cyclictest0-21swapper/210:00:002
2328272991815,1cyclictest0-21swapper/210:05:012
2328272991815,1cyclictest0-21swapper/209:45:002
2328272991814,2cyclictest0-21swapper/207:35:022
232827199186,3cyclictest491rcuog/211:15:031
2328271991815,2cyclictest2772433-21latency_hist12:20:011
2328271991815,2cyclictest0-21swapper/109:35:021
2328271991811,3cyclictest0-21swapper/109:55:011
232827199180,3cyclictest2541527-21ssh09:46:111
232827099189,2cyclictest0-21swapper/010:45:120
2328270991815,2cyclictest2780290-21aten_repower_po12:25:020
2328270991815,2cyclictest2703795-21/usr/sbin/munin11:35:010
2328270991815,2cyclictest2601662-21grep10:25:110
2328270991815,2cyclictest2596488-21acpi10:25:010
2328270991815,2cyclictest2362036-21sh07:35:020
2328270991812,5cyclictest3851705-21mta-sts-daemon10:00:180
2328270991812,5cyclictest2538458-21kthreadcore09:45:120
2328270991812,1cyclictest2696050-21apt-get11:30:010
2328270991812,1cyclictest2696050-21apt-get11:30:010
2649091171,3phc2sys0-21swapper/309:15:023
2649091170,2phc2sys0-21swapper/310:13:183
2649091170,2phc2sys0-21swapper/309:54:063
232827299178,4cyclictest0-21swapper/212:20:132
2328272991715,1cyclictest0-21swapper/211:30:022
2328272991715,1cyclictest0-21swapper/211:30:022
2328272991715,1cyclictest0-21swapper/210:50:022
2328272991715,1cyclictest0-21swapper/209:55:012
2328272991714,1cyclictest0-21swapper/212:35:002
2328272991714,1cyclictest0-21swapper/210:40:012
2328272991714,1cyclictest0-21swapper/210:20:162
2328272991714,1cyclictest0-21swapper/209:30:072
232827199179,4cyclictest1290-21dbus-daemon11:55:161
2328271991714,2cyclictest2758427-21grep12:10:081
2328271991714,2cyclictest2657605-21sh11:05:001
2328271991714,2cyclictest2566375-21latency_hist10:05:021
2328271991714,2cyclictest2504596-21sh09:25:011
2328271991714,2cyclictest2475261-21latency_hist09:05:011
2328271991714,2cyclictest1426-21gdbus10:15:141
2328271991714,2cyclictest0-21swapper/108:25:001
2328271991714,2cyclictest0-21swapper/107:55:021
2328271991713,3cyclictest2496700-21kworker/u16:2+nfsiod10:47:061
2328271991713,2cyclictest0-21swapper/110:40:021
232827199170,12cyclictest2579777-21ssh10:11:011
232827099178,2cyclictest0-21swapper/009:25:130
232827099176,6cyclictest0-21swapper/009:55:010
2328270991714,2cyclictest2681131-21aten_repower_cu11:20:020
2328270991714,2cyclictest2419520-21fschecks_count08:20:050
2328270991714,2cyclictest2334762-21/usr/sbin/munin07:15:010
2649091160,2phc2sys0-21swapper/311:11:143
2649091160,2phc2sys0-21swapper/310:51:583
2649091160,2phc2sys0-21swapper/307:35:083
232827299161,8cyclictest0-21swapper/208:10:002
2328272991614,1cyclictest0-21swapper/209:50:022
2328272991613,1cyclictest0-21swapper/212:13:132
2328272991613,1cyclictest0-21swapper/211:55:182
2328272991613,1cyclictest0-21swapper/210:50:042
2328272991613,1cyclictest0-21swapper/209:15:072
2328272991613,1cyclictest0-21swapper/208:45:002
2328272991613,1cyclictest0-21swapper/207:45:012
2328272991612,2cyclictest0-21swapper/207:25:022
2328271991614,1cyclictest2635696-21cut10:50:061
2328271991613,2cyclictest2720064-21if_enp1s0.811:45:061
2328271991613,2cyclictest2334580-21munin-node09:28:351
2328271991613,2cyclictest1290-21dbus-daemon07:30:011
2328271991613,2cyclictest0-21swapper/109:40:021
2328271991612,3cyclictest2799571-21kthreadcore12:35:131
2328271991612,3cyclictest2799571-21kthreadcore12:35:121
2328271991612,3cyclictest2496700-21kworker/u16:2+nfsiod10:56:091
2328271991612,3cyclictest1326-21systemd-logind08:45:001
232827099169,6cyclictest3851705-21mta-sts-daemon08:50:060
232827099168,7cyclictest0-21swapper/012:30:110
232827099167,4cyclictest0-21swapper/009:41:570
232827099165,6cyclictest0-21swapper/011:35:130
2328270991613,2cyclictest3851705-21mta-sts-daemon09:14:500
2328270991613,2cyclictest3851702-21mta-sts-daemon09:58:350
2328270991613,2cyclictest3834332-21rtkit-daemon07:20:320
2328270991613,2cyclictest2795511-21aten2.4-expect12:35:040
2328270991613,2cyclictest2795511-21aten2.4-expect12:35:040
2328270991613,2cyclictest2468803-21cut09:00:000
2328270991613,2cyclictest2418650-21grep08:20:000
2328270991613,2cyclictest0-21swapper/007:10:010
2328270991612,3cyclictest2566310-21kworker/u16:3+nfsiod10:15:280
2328270991612,2cyclictest2764838-21acpi12:15:010
2649091150,2phc2sys0-21swapper/311:30:523
2649091150,2phc2sys0-21swapper/309:55:073
2649091150,2phc2sys0-21swapper/309:38:113
232827299152,8cyclictest0-21swapper/211:35:002
2328272991513,1cyclictest0-21swapper/210:15:022
2328272991513,1cyclictest0-21swapper/210:05:022
2328272991513,1cyclictest0-21swapper/209:40:022
2328272991513,1cyclictest0-21swapper/209:10:102
2328272991513,1cyclictest0-21swapper/208:20:012
2328272991512,2cyclictest0-21swapper/207:25:102
2328272991512,1cyclictest0-21swapper/212:35:102
2328272991512,1cyclictest0-21swapper/212:35:102
2328272991512,1cyclictest0-21swapper/211:40:142
2328272991512,1cyclictest0-21swapper/211:35:102
2328272991512,1cyclictest0-21swapper/210:40:082
2328272991512,1cyclictest0-21swapper/208:30:002
2328272991512,1cyclictest0-21swapper/207:15:142
2328272991512,1cyclictest0-21swapper/207:10:082
2328272991511,2cyclictest0-21swapper/210:12:352
232827199156,4cyclictest2596382-21awk10:25:001
232827199152,5cyclictest491rcuog/211:32:261
2328271991512,2cyclictest3827634-1atopacctd09:40:501
2328271991512,2cyclictest3827634-1atopacctd08:40:011
2328271991512,2cyclictest2693696-21needreboot11:25:131
2328271991512,2cyclictest2693696-21needreboot11:25:121
2328271991512,2cyclictest2685746-21kthreadcore11:20:101
2328271991512,2cyclictest2482016-21cpuspeed_turbos09:10:041
2328271991512,2cyclictest2328268-21cyclictest07:15:021
2328271991512,2cyclictest1996-21runrttasks10:44:111
2328271991512,2cyclictest0-21swapper/109:20:011
2328271991510,4cyclictest3834332-21rtkit-daemon08:59:571
232827099157,4cyclictest2719046-21aten2.4-expect11:45:010
232827099153,7cyclictest0-21swapper/007:50:020
2328270991513,1cyclictest3851704-21mta-sts-daemon12:08:430
2328270991513,1cyclictest2328268-21cyclictest11:00:040
2328270991512,2cyclictest3851704-21mta-sts-daemon07:15:040
2328270991512,2cyclictest2642561-21latency_hist10:55:020
2328270991512,2cyclictest2622784-21kthreadcore10:40:110
2328270991512,2cyclictest2393985-21aten_repower_po08:00:030
232827099150,8cyclictest2475973-21grep09:05:050
2649091141,4phc2sys0-21swapper/311:15:033
2649091140,3phc2sys0-21swapper/309:00:033
2649091140,2phc2sys0-21swapper/311:56:003
2649091140,2phc2sys0-21swapper/310:38:403
2649091140,2phc2sys0-21swapper/310:20:413
2649091140,1phc2sys0-21swapper/310:05:173
2328272991412,1cyclictest0-21swapper/212:05:152
2328272991412,1cyclictest0-21swapper/211:00:162
2328272991411,1cyclictest0-21swapper/212:25:122
2328272991411,1cyclictest0-21swapper/211:50:452
2328272991411,1cyclictest0-21swapper/211:05:122
2328272991411,1cyclictest0-21swapper/210:55:092
2328272991411,1cyclictest0-21swapper/208:50:092
2328272991411,1cyclictest0-21swapper/207:10:012
2328272991410,2cyclictest0-21swapper/209:25:062
2328272991410,2cyclictest0-21swapper/208:10:132
2328272991410,2cyclictest0-21swapper/207:55:092
2328272991410,2cyclictest0-21swapper/207:52:412
232827199149,4cyclictest3851704-21mta-sts-daemon08:15:251
232827199149,4cyclictest3851703-21mta-sts-daemon08:06:261
232827199149,4cyclictest3841051-21wpa_supplicant07:43:121
232827199149,4cyclictest3834332-21rtkit-daemon08:28:401
232827199148,3cyclictest2597187-21cstates10:25:041
2328271991412,1cyclictest2343262-21/usr/sbin/munin07:20:131
2328271991411,2cyclictest2780931-21gltestperf12:25:051
2328271991411,2cyclictest2773929-21kthreadcore12:20:091
2328271991411,2cyclictest2728595-21kthreadcore11:50:071
2328271991411,2cyclictest2605292-21irqcore10:30:061
2328271991411,2cyclictest2567531-21kernelversion10:05:071
2328271991411,2cyclictest2476138-21idleruntime09:05:061
2328271991411,2cyclictest2456713-21aten_repower_vo08:50:031
2328271991411,2cyclictest2450456-21aten_repower_po08:45:021
2328271991411,2cyclictest2406707-21cpuspeed_turbos08:10:041
2328271991411,2cyclictest2390474-21kthreadcore07:55:101
2328271991410,3cyclictest2377252-21kthreadcore07:45:101
232827099149,4cyclictest3851705-21mta-sts-daemon08:42:470
232827099147,6cyclictest3851703-21mta-sts-daemon11:06:010
232827099145,5cyclictest0-21swapper/007:53:220
232827099143,7cyclictest2433257-21kthreadcore08:30:080
2328270991411,2cyclictest2611920-21acpi10:35:020
2328270991411,2cyclictest2472431-21kthreadcore09:00:100
2328270991410,2cyclictest0-21swapper/007:45:010
2649091131,2phc2sys0-21swapper/311:42:493
2649091130,3phc2sys0-21swapper/312:36:193
2649091130,3phc2sys0-21swapper/312:36:193
2649091130,2phc2sys0-21swapper/312:21:013
2649091130,2phc2sys0-21swapper/310:19:233
2649091130,2phc2sys0-21swapper/307:48:053
2649091130,1phc2sys0-21swapper/309:33:223
2649091130,1phc2sys0-21swapper/308:25:213
2328272991311,1cyclictest0-21swapper/211:45:092
2328272991311,1cyclictest0-21swapper/209:00:042
2328272991311,1cyclictest0-21swapper/208:31:322
2328272991311,1cyclictest0-21swapper/208:20:082
2328272991310,2cyclictest0-21swapper/207:35:092
2328272991310,1cyclictest0-21swapper/210:30:072
2328271991310,2cyclictest2356155-21cpuspeed_turbos07:30:031
2328270991310,2cyclictest2400794-21cut08:05:040
2328270991310,2cyclictest2389070-21kthreadcore07:55:080
2649091123,2phc2sys0-21swapper/311:20:413
2649091121,2phc2sys0-21swapper/310:25:043
2649091121,2phc2sys0-21swapper/307:30:023
2649091120,4phc2sys0-21swapper/308:22:463
2649091120,3phc2sys0-21swapper/309:50:013
2649091120,2phc2sys0-21swapper/311:46:243
2649091120,2phc2sys0-21swapper/311:08:263
2649091120,2phc2sys0-21swapper/309:20:193
232827299129,2cyclictest0-21swapper/208:45:062
2328272991210,1cyclictest0-21swapper/211:10:202
232827199129,2cyclictest3824567-21rs:main1
232827099129,2cyclictest3827634-1atopacctd08:35:080
2649091111,2phc2sys0-21swapper/310:45:173
2649091110,2phc2sys0-21swapper/311:38:533
2649091110,2phc2sys0-21swapper/309:43:283
2649091110,2phc2sys0-21swapper/309:10:013
2649091110,2phc2sys0-21swapper/307:11:103
2649091110,1phc2sys0-21swapper/310:31:303
2649091110,1phc2sys0-21swapper/308:44:483
2649091110,1phc2sys0-21swapper/308:33:383
2649091110,1phc2sys0-21swapper/308:12:313
2649091110,1phc2sys0-21swapper/307:50:473
2649091110,1phc2sys0-21swapper/307:21:083
24971062110,2sleep30-21swapper/309:20:023
2649091102,2phc2sys0-21swapper/308:15:113
2649091101,2phc2sys0-21swapper/308:35:153
2649091101,2phc2sys0-21swapper/307:40:123
2649091101,2phc2sys0-21swapper/307:15:123
2649091101,1phc2sys0-21swapper/309:30:013
2649091100,3phc2sys0-21swapper/312:05:143
2649091100,2phc2sys0-21swapper/312:27:343
2649091100,2phc2sys0-21swapper/312:05:023
2649091100,2phc2sys0-21swapper/311:51:073
2649091100,2phc2sys0-21swapper/311:00:043
2649091100,2phc2sys0-21swapper/310:41:303
2649091100,2phc2sys0-21swapper/308:05:283
38343339890,5rtkit-daemon351ktimers/107:08:331
264909191,3phc2sys0-21swapper/308:55:053
264909191,3phc2sys0-21swapper/307:05:093
264909191,2phc2sys0-21swapper/312:11:033
264909191,2phc2sys0-21swapper/308:50:173
264909191,2phc2sys0-21swapper/308:45:133
264909190,4phc2sys0-21swapper/307:25:023
264909190,2phc2sys0-21swapper/312:30:033
264909190,2phc2sys0-21swapper/308:00:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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