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2025-12-24 - 21:32
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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 Wed Dec 24, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
353143521130,2sleep30-21swapper/312:03:363
3171956992219,1cyclictest0-21swapper/211:40:012
3171950992216,2cyclictest134050irq/121-eno110:43:290
3171950992118,2cyclictest3519463-21systemd11:55:000
3171950992118,2cyclictest3441351-21cut10:50:020
3171956992017,1cyclictest0-21swapper/207:55:002
3171953992017,2cyclictest3519517-21apt-key11:55:001
3171950992017,2cyclictest0-21swapper/008:10:010
317195099200,6cyclictest3198560-21munin-run07:30:020
3171956991917,1cyclictest0-21swapper/211:25:022
3171953991916,2cyclictest3246573-21apt-key08:10:001
3171953991916,2cyclictest0-21swapper/107:45:011
317195099193,5cyclictest3289667-21aten2.4-expect08:48:230
317195099193,5cyclictest3289667-21aten2.4-expect08:48:230
3171950991916,2cyclictest3542897-21missed_timers12:13:320
3171950991916,2cyclictest3404724-21apt-config10:20:010
3171950991911,4cyclictest3562663-21aten2.4-expect12:33:230
3171950991911,4cyclictest3478002-21aten2.4-expect11:23:230
317195099190,2cyclictest3266551-21irqrtprio08:28:280
317195399188,1cyclictest2902298rtkit-daemon09:41:571
3171953991816,1cyclictest3428918-21/usr/sbin/munin10:40:011
3171953991815,2cyclictest1326-21systemd-logind12:35:001
3171953991815,2cyclictest1290-21dbus-daemon09:20:021
3171953991815,2cyclictest0-21swapper/107:15:011
3171953991815,2cyclictest0-21swapper/107:10:021
3171953991814,3cyclictest3189678-21kthreadcore07:23:321
317195099189,5cyclictest3221807-21pmu-power07:48:320
317195099188,6cyclictest3527059-21awk12:03:260
317195099188,5cyclictest3171718-21apt-get07:10:020
317195099187,6cyclictest3259496-21aten2.4-expect08:23:220
317195099187,6cyclictest3253478-21aten2.4-expect08:18:230
317195099184,4cyclictest3374378-21aten2.4-expect09:58:230
3171950991815,2cyclictest3510690-21kthreadcore11:48:300
3171950991815,2cyclictest3406604-21kthreadcore10:23:290
3171950991815,2cyclictest3346914-21kthreadcore09:33:300
3171950991815,2cyclictest3302921-21kthreadcore08:58:320
3171950991815,2cyclictest3301180-21kworker/u16:1-events_unbound09:40:000
3171950991815,2cyclictest3177660-21switchtime07:13:310
3171950991814,3cyclictest3559323-21kthreadcore12:28:300
3171950991814,3cyclictest3206255-21kthreadcore07:38:290
3171950991814,3cyclictest3188238-21kthreadcore07:23:320
3171950991814,3cyclictest0-21swapper/009:25:010
3171950991810,4cyclictest3520379-21aten2.4-expect11:58:250
3171956991715,1cyclictest0-21swapper/207:20:012
3171956991714,1cyclictest0-21swapper/209:40:002
3171953991714,2cyclictest3324353-21latency09:13:301
3171953991714,2cyclictest3313135-21cron09:05:001
3171953991714,2cyclictest3252833-21systemd-run08:15:001
3171953991714,2cyclictest1286-21avahi-daemon11:15:011
317195099179,7cyclictest0-21swapper/011:43:270
317195099179,1cyclictest134050irq/121-eno111:33:360
317195099178,5cyclictest3301059-21munin-run08:55:000
317195099177,7cyclictest3211359-21cstates07:43:230
317195099176,7cyclictest3447200-21cat10:55:010
317195099175,8cyclictest3324657-21tail09:13:320
317195099175,5cyclictest3459244-21munin-run11:05:000
317195099173,5cyclictest3282988-21unin-run08:40:000
317195099173,4cyclictest3386795-21aten2.4-expect10:08:210
317195099172,5cyclictest3471972-21aten2.4-expect11:18:220
317195099172,5cyclictest3247530-21aten2.4-expect08:13:230
317195099171,5cyclictest3356252-21aten2.4-expect09:43:220
3171950991714,2cyclictest3571348-21kthreadcore12:38:300
3171950991714,2cyclictest3545567-21kthreadcore12:18:280
3171950991714,2cyclictest3426163-21kthreadcore10:38:300
3171950991714,2cyclictest3420147-21kthreadcore10:33:300
3171950991714,2cyclictest3416928-21latency_hist10:30:010
3171950991714,2cyclictest3383408-21kthreadcore10:03:310
3171950991714,2cyclictest3313823-21tail09:08:210
3171950991714,2cyclictest3308960-21kthreadcore09:03:290
3171950991714,2cyclictest3186548-21cut07:20:020
3171950991714,2cyclictest1296-21polkitd09:28:330
3171950991713,3cyclictest1326-21systemd-logind12:25:020
3171950991713,2cyclictest0-21swapper/007:35:010
3171950991712,1cyclictest134050irq/121-eno110:58:230
317195699161,7cyclictest0-21swapper/212:40:012
3171956991614,1cyclictest0-21swapper/207:10:012
3171956991613,1cyclictest0-21swapper/211:45:012
3171956991613,1cyclictest0-21swapper/208:30:012
3171953991614,1cyclictest0-21swapper/110:00:021
3171953991613,2cyclictest3313871-21aten_repower_vo09:08:221
3171953991613,2cyclictest3232529-21kthreadcore07:58:301
3171953991613,2cyclictest3232529-21kthreadcore07:58:301
3171953991613,2cyclictest3171945-21cyclictest11:58:361
3171953991613,2cyclictest0-21swapper/108:40:011
3171953991612,3cyclictest1-21systemd08:23:321
317195099167,5cyclictest3394503-21kthreadcore10:13:290
317195099164,6cyclictest3229087-21aten2.4-expect07:58:230
317195099164,6cyclictest3229087-21aten2.4-expect07:58:230
3171950991613,2cyclictest3533557-21kthreadcore12:08:290
3171950991613,2cyclictest3498651-21tr11:38:300
3171950991613,2cyclictest3465939-21aten_repower_vo11:13:230
3171950991613,2cyclictest3363398-21irqrtprio09:48:260
3171950991613,2cyclictest3235230-21aten_repower_vo08:03:230
3171950991613,2cyclictest3224336-21kthreadcore07:53:270
3171950991612,3cyclictest3328549-21kthreadcore09:18:300
3171956991513,1cyclictest0-21swapper/210:45:022
3171956991513,1cyclictest0-21swapper/207:15:012
3171956991512,1cyclictest0-21swapper/210:40:012
3171956991512,1cyclictest0-21swapper/210:33:312
3171956991512,1cyclictest0-21swapper/210:13:332
3171956991512,1cyclictest0-21swapper/210:10:012
3171956991512,1cyclictest0-21swapper/209:25:022
3171956991512,1cyclictest0-21swapper/207:45:012
3171956991512,1cyclictest0-21swapper/207:40:012
317195699151,11cyclictest0-21swapper/209:53:232
317195399158,1cyclictest2902298rtkit-daemon09:30:381
317195399156,3cyclictest134050irq/121-eno112:25:021
3171953991512,2cyclictest3574033-21latency_hist12:40:011
3171953991512,2cyclictest3559323-21kthreadcore12:28:301
3171953991512,2cyclictest3549833-21apt-key12:20:011
3171953991512,2cyclictest3542272-21kthreadcore12:13:311
3171953991512,2cyclictest3399678-21gltestperf10:18:261
3171953991512,2cyclictest3204365-21cron07:35:011
3171953991512,2cyclictest1290-21dbus-daemon10:10:011
317195399151,13cyclictest3337326-21awk09:25:011
3171953991511,3cyclictest3171945-21cyclictest10:28:271
3171953991510,4cyclictest3362290-21apt-get09:48:201
317195399150,5cyclictest3258974-21cat08:20:011
3171950991512,2cyclictest3483928-21aten_repower_en11:28:220
3171950991512,2cyclictest3369602-21kthreadcore09:53:300
3171950991512,2cyclictest3271618-21aten_repower_po08:33:450
2649091150,2phc2sys0-21swapper/311:23:223
3171956991412,1cyclictest0-21swapper/211:55:012
3171956991412,1cyclictest0-21swapper/211:30:022
3171956991411,1cyclictest0-21swapper/212:28:252
3171956991411,1cyclictest0-21swapper/212:03:292
3171956991411,1cyclictest0-21swapper/211:58:282
3171956991411,1cyclictest0-21swapper/211:45:292
3171956991411,1cyclictest0-21swapper/211:08:252
3171956991411,1cyclictest0-21swapper/210:18:302
3171956991411,1cyclictest0-21swapper/210:03:302
3171956991411,1cyclictest0-21swapper/210:00:012
3171956991411,1cyclictest0-21swapper/209:13:272
3171956991411,1cyclictest0-21swapper/209:03:302
3171956991411,1cyclictest0-21swapper/208:13:332
3171956991411,1cyclictest0-21swapper/207:48:242
3171956991411,1cyclictest0-21swapper/207:33:312
317195399147,3cyclictest134050irq/121-eno111:28:341
317195399146,3cyclictest134050irq/121-eno110:43:341
317195399141,5cyclictest3273489-21cut08:33:561
3171953991411,2cyclictest3495343-21perf11:35:011
3171953991411,2cyclictest3482847-21switchtime11:23:341
3171953991411,2cyclictest3463799-21kthreadcore11:08:291
3171953991411,2cyclictest3459360-21cut11:05:011
3171953991411,2cyclictest3447749-21acpi10:58:211
3171953991411,2cyclictest3422225-21proc_pri10:33:331
3171953991411,2cyclictest3406604-21kthreadcore10:23:291
3171953991411,2cyclictest3266154-21gltestperf08:28:261
3171953991411,2cyclictest3240691-21latency_hist08:05:011
3171953991411,2cyclictest3220114-21kthreadcore07:48:291
3171953991411,2cyclictest3195679-21kthreadcore07:28:291
3171953991411,2cyclictest1329-21rs:main1
3171953991411,2cyclictest0-21swapper/111:48:271
3171953991411,2cyclictest0-21swapper/110:55:021
3171953991410,3cyclictest3536095-21kthreadcore12:08:301
3171953991410,3cyclictest3473113-21kthreadcore11:18:281
3171953991410,3cyclictest3381665-21irqcore10:03:291
3171953991410,3cyclictest3286740-21kthreadcore08:43:291
3171950991411,2cyclictest3460058-21cpuspeed_turbos11:08:230
3171950991411,2cyclictest3284826-21kthreadcore08:43:280
2902298140,1rtkit-daemon0-21swapper/109:37:481
317195699131,7cyclictest0-21swapper/208:00:012
317195699131,7cyclictest0-21swapper/208:00:012
3171956991312,0cyclictest0-21swapper/212:15:012
3171956991311,1cyclictest0-21swapper/212:35:012
3171956991311,1cyclictest0-21swapper/211:35:022
3171956991311,1cyclictest0-21swapper/211:00:022
3171956991311,1cyclictest0-21swapper/210:50:012
3171956991311,1cyclictest0-21swapper/209:43:232
3171956991311,1cyclictest0-21swapper/209:32:552
317195699131,10cyclictest0-21swapper/208:18:222
3171956991310,1cyclictest0-21swapper/212:23:292
3171956991310,1cyclictest0-21swapper/211:18:342
3171956991310,1cyclictest0-21swapper/210:53:302
3171956991310,1cyclictest0-21swapper/210:23:262
3171956991310,1cyclictest0-21swapper/209:48:272
3171956991310,1cyclictest0-21swapper/209:18:292
3171956991310,1cyclictest0-21swapper/209:08:222
3171956991310,1cyclictest0-21swapper/208:48:292
3171956991310,1cyclictest0-21swapper/208:48:292
3171956991310,1cyclictest0-21swapper/208:33:472
3171956991310,1cyclictest0-21swapper/208:23:282
3171956991310,1cyclictest0-21swapper/207:28:292
3171956991310,1cyclictest0-21swapper/207:23:272
317195399139,3cyclictest3437048-21kthreadcore10:48:281
317195399137,2cyclictest134050irq/121-eno108:46:551
317195399137,2cyclictest134050irq/121-eno108:46:551
317195399137,2cyclictest134050irq/121-eno107:51:031
317195399136,5cyclictest257-21systemd-journal08:56:291
317195399136,3cyclictest134050irq/121-eno111:40:411
3171953991310,2cyclictest3495983-21aten2.4-expect11:38:231
3171953991310,2cyclictest3392951-21acpi10:13:221
3171953991310,2cyclictest3339962-21kthreadcore09:28:291
3171953991310,2cyclictest3296278-21gltestperf08:53:271
3171953991310,2cyclictest3206862-21kthreadcore07:38:291
317195399130,2cyclictest0-21swapper/107:19:281
2649091133,2phc2sys0-21swapper/312:08:303
32648192120,2sleep30-21swapper/308:25:013
317195699129,1cyclictest0-21swapper/212:18:282
317195699129,1cyclictest0-21swapper/208:53:282
317195699129,1cyclictest0-21swapper/208:43:272
317195699129,1cyclictest0-21swapper/208:03:292
317195699121,6cyclictest0-21swapper/210:30:012
3171956991210,1cyclictest0-21swapper/211:00:292
3171956991210,1cyclictest0-21swapper/208:58:322
3171956991210,1cyclictest0-21swapper/208:35:332
3171956991210,1cyclictest0-21swapper/208:08:282
317195399129,2cyclictest3527769-21kthreadcore12:03:281
2649091121,1phc2sys0-21swapper/310:33:283
2649091120,1phc2sys0-21swapper/307:19:173
317195699119,1cyclictest0-21swapper/212:05:282
317195699119,1cyclictest0-21swapper/211:13:262
317195699119,1cyclictest0-21swapper/209:28:292
2649091111,1phc2sys0-21swapper/310:18:223
2649091110,2phc2sys0-21swapper/312:13:233
2649091110,2phc2sys0-21swapper/311:45:023
2649091110,2phc2sys0-21swapper/311:03:233
2649091110,2phc2sys0-21swapper/308:48:223
2649091110,2phc2sys0-21swapper/308:48:223
2649091110,1phc2sys0-21swapper/310:59:103
2649091110,1phc2sys0-21swapper/309:55:463
2649091110,1phc2sys0-21swapper/308:51:543
2649091110,1phc2sys0-21swapper/307:42:343
2649091110,1phc2sys0-21swapper/307:09:553
2649091101,2phc2sys0-21swapper/311:53:243
2649091101,2phc2sys0-21swapper/309:48:203
2649091101,2phc2sys0-21swapper/309:15:023
2649091101,2phc2sys0-21swapper/308:58:273
2649091100,2phc2sys0-21swapper/310:08:203
2649091100,1phc2sys0-21swapper/312:30:063
2649091100,1phc2sys0-21swapper/312:15:443
2649091100,1phc2sys0-21swapper/311:17:373
2649091100,1phc2sys0-21swapper/310:39:173
2649091100,1phc2sys0-21swapper/310:26:193
2649091100,1phc2sys0-21swapper/308:00:253
264909191,2phc2sys0-21swapper/312:28:263
264909191,2phc2sys0-21swapper/310:23:233
264909191,2phc2sys0-21swapper/310:13:293
264909191,2phc2sys0-21swapper/309:51:293
264909191,2phc2sys0-21swapper/307:29:563
264909190,2phc2sys0-21swapper/312:38:283
264909190,2phc2sys0-21swapper/311:33:243
264909190,2phc2sys0-21swapper/311:28:313
264909190,2phc2sys0-21swapper/311:08:243
264909190,2phc2sys0-21swapper/309:43:233
264909190,2phc2sys0-21swapper/309:18:233
264909190,2phc2sys0-21swapper/309:02:153
264909190,2phc2sys0-21swapper/308:45:013
264909190,2phc2sys0-21swapper/308:28:223
264909190,2phc2sys0-21swapper/307:48:273
264909190,1phc2sys0-21swapper/311:37:533
264909190,1phc2sys0-21swapper/309:32:533
264909190,1phc2sys0-21swapper/309:30:013
264909190,1phc2sys0-21swapper/307:58:293
264909190,1phc2sys0-21swapper/307:58:293
264909181,2phc2sys0-21swapper/311:11:043
264909181,2phc2sys0-21swapper/309:20:233
264909181,2phc2sys0-21swapper/308:37:403
264909181,2phc2sys0-21swapper/308:34:593
264909181,2phc2sys0-21swapper/308:13:223
264909181,2phc2sys0-21swapper/307:30:363
264909181,1phc2sys0-21swapper/310:50:313
264909181,1phc2sys0-21swapper/310:03:313
264909180,3phc2sys0-21swapper/307:13:193
264909180,2phc2sys0-21swapper/312:21:323
264909180,2phc2sys0-21swapper/310:48:233
264909180,2phc2sys0-21swapper/309:35:023
264909180,2phc2sys0-21swapper/308:18:323
264909180,2phc2sys0-21swapper/308:07:413
264909180,2phc2sys0-21swapper/307:50:033
264909180,1phc2sys0-21swapper/311:48:233
264909180,1phc2sys0-21swapper/310:43:303
264909180,1phc2sys0-21swapper/309:05:213
264909180,1phc2sys0-21swapper/307:38:293
264909171,1phc2sys0-21swapper/307:20:133
264909170,1phc2sys0-21swapper/311:55:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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