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2026-07-26 - 21:26
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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 Jul 26, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
342120921530,1sleep13421211-21apt-key10:55:011
318973121040,1sleep10-21swapper/108:05:561
31219472770,2sleep30-21swapper/307:10:563
3117295992822,2cyclictest69250irq/121-eno109:20:551
3117295992714,3cyclictest3495675-21/usr/sbin/munin11:45:511
35296942260,2sleep30-21swapper/312:05:573
3117295992519,2cyclictest69250irq/121-eno110:20:011
3117295992514,3cyclictest3340853-21cpuspeed_turbos10:00:501
3117295992513,3cyclictest0-21swapper/111:30:551
3117295992512,7cyclictest0-21swapper/109:20:031
3117294992515,9cyclictest3282574-21cut09:20:510
3117295992421,2cyclictest3361923-21cron10:15:011
3117294992421,2cyclictest3546467-21awk12:20:010
3117294992411,7cyclictest3502444-21cron11:50:010
3117295992313,3cyclictest3461453-21kthreadcore11:20:551
3117294992316,6cyclictest10930-21cron11:05:000
3117294992316,2cyclictest69250irq/121-eno112:35:020
3117294992315,7cyclictest0-21swapper/007:40:010
3117294992314,5cyclictest3437658-21grep11:05:530
311729499230,5cyclictest3325701-21ssh09:50:140
3117296992216,3cyclictest0-21swapper/210:00:482
311729599228,3cyclictest0-21swapper/110:05:481
3117295992219,2cyclictest3230497-21tr08:40:491
3117295992219,2cyclictest3123376-21latency_hist07:15:011
3117295992217,3cyclictest268-21systemd-journal08:30:011
3117295992212,3cyclictest0-21swapper/107:25:011
3117295992211,6cyclictest0-21swapper/110:44:461
3117295992211,6cyclictest0-21swapper/109:55:011
3117294992219,2cyclictest664-21dbus-daemon11:40:020
3117294992219,2cyclictest1-21systemd09:55:030
3117294992215,2cyclictest1157598rtkit-daemon12:28:360
35276442210,1sleep10-21swapper/112:05:551
3117295992118,2cyclictest3509804-21sh11:55:011
3117295992118,2cyclictest10930-21cron07:55:001
3117295992111,2cyclictest0-21swapper/112:25:011
3117295992110,6cyclictest0-21swapper/107:35:031
3117294992118,2cyclictest664-21dbus-daemon07:25:020
3117294992115,5cyclictest3411463-21latency10:45:540
3117296992017,1cyclictest0-21swapper/211:15:022
3117295992017,2cyclictest3266697-21sh09:10:031
3117295992017,2cyclictest3199497-21/usr/sbin/munin08:15:011
3117295992017,2cyclictest3181991-21grep08:00:541
3117295992017,2cyclictest0-21swapper/110:40:021
3117295992011,2cyclictest69250irq/121-eno112:35:521
3117295992010,3cyclictest3568618-21latency_hist12:35:011
311729499208,5cyclictest3303938-21head09:35:490
311729499207,11cyclictest3465970-21apt-get11:25:480
3117294992017,2cyclictest3199496-21apt-config08:15:010
3117294992017,2cyclictest3180253-21unixbench-2d07:56:030
3117294992016,3cyclictest3363852-21kthreadcore10:15:550
3117294992016,3cyclictest3321424-21kthreadcore09:45:560
3117294992016,3cyclictest3212296-21cpuspeed_turbos08:25:500
3117294992015,1cyclictest35320281systemd-run12:10:030
3117294992011,7cyclictest0-21swapper/010:05:020
3117294992011,5cyclictest0-21swapper/011:30:560
3117296991917,1cyclictest0-21swapper/210:40:022
3117296991916,1cyclictest0-21swapper/207:40:012
311729599195,7cyclictest3229818-21awk08:40:011
3117295991916,2cyclictest3458152-21systemd11:20:011
3117295991916,2cyclictest0-21swapper/109:45:011
3117295991913,2cyclictest0-21swapper/109:40:021
311729599190,6cyclictest3339341-21rm09:58:141
311729499199,6cyclictest3510023-21munin-run11:55:030
311729499199,6cyclictest0-21swapper/011:40:230
311729499199,5cyclictest0-21swapper/009:26:010
311729499199,4cyclictest0-21swapper/008:55:530
311729499198,7cyclictest3274390-21ssh09:15:390
311729499198,5cyclictest3187249-21head08:05:500
3117294991916,2cyclictest3356503-21kthreadcore10:10:530
3117294991916,2cyclictest3263324-21kthreadcore09:05:540
3117294991916,2cyclictest3245110-21kthreadcore08:50:550
3117294991916,2cyclictest3239059-21kthreadcore08:45:540
3117294991916,2cyclictest3235907-21munin-plugin-st08:45:010
3117294991916,2cyclictest3164819-21kthreadcore07:45:530
3117294991916,2cyclictest3164819-21kthreadcore07:45:530
3117294991916,2cyclictest3147201-21kthreadcore07:30:540
3117294991916,2cyclictest3141138-21kthreadcore07:25:560
3117294991916,2cyclictest268-21systemd-journal07:51:030
3117294991916,2cyclictest1307-21mta-sts-daemon11:00:010
311729499191,5cyclictest3204580-21strings08:15:570
3117294991913,5cyclictest3548244-21irqrtprio12:20:530
3117294991913,5cyclictest0-21swapper/012:00:020
3240591181,7phc2sys0-21swapper/309:25:493
3240591180,2phc2sys0-21swapper/309:10:553
311729699186,6cyclictest0-21swapper/207:40:482
311729699182,9cyclictest0-21swapper/211:15:492
3117296991816,1cyclictest0-21swapper/208:50:022
3117296991815,1cyclictest0-21swapper/211:00:562
3117296991815,1cyclictest0-21swapper/210:35:012
3117296991815,1cyclictest0-21swapper/210:35:012
3117296991815,1cyclictest0-21swapper/210:30:022
3117296991815,1cyclictest0-21swapper/210:21:172
311729699181,10cyclictest0-21swapper/207:30:012
3117295991815,2cyclictest838-21gmain08:50:011
3117295991815,2cyclictest3559434-21grep12:26:001
3117295991815,2cyclictest3495151-21sh11:45:011
3117295991814,3cyclictest3165474-21kthreadcore07:45:531
3117295991814,3cyclictest3165474-21kthreadcore07:45:531
311729499189,7cyclictest0-21swapper/010:35:480
311729499187,6cyclictest0-21swapper/009:40:590
3117294991815,2cyclictest3537999-21sh12:11:420
3117294991815,2cyclictest3521035-21kthreadcore12:00:560
3117294991815,2cyclictest3452678-21kthreadcore11:15:560
3117294991815,2cyclictest3445983-21kthreadcore11:10:560
3117294991815,2cyclictest3405315-21sh10:42:110
3117294991815,2cyclictest3390306-21sh10:32:070
3117294991815,2cyclictest3390306-21sh10:32:070
3117294991815,2cyclictest3273851-21sh09:14:490
3117294991815,2cyclictest3120373-21kthreadcore07:10:550
3117294991815,2cyclictest3117306-21systemd07:10:020
3117294991815,2cyclictest0-21swapper/008:25:010
3117294991814,3cyclictest3159642-21kthreadcore07:40:560
3117294991811,6cyclictest3299319-21kthreadcore09:30:580
3117294991811,4cyclictest0-21swapper/007:16:000
3117294991810,5cyclictest3462204-21cut11:20:550
3240591170,4phc2sys0-21swapper/312:11:383
3240591170,2phc2sys0-21swapper/311:06:073
3240591170,2phc2sys0-21swapper/310:50:243
3240591170,2phc2sys0-21swapper/310:30:403
3240591170,2phc2sys0-21swapper/310:30:403
3117296991715,1cyclictest0-21swapper/208:40:012
3117296991714,1cyclictest0-21swapper/211:35:012
3117296991714,1cyclictest0-21swapper/210:55:012
311729599179,3cyclictest0-21swapper/111:40:021
311729599173,5cyclictest3254644-21aten_repower_vo09:00:491
311729599171,9cyclictest3243124-21idleruntime08:50:521
3117295991714,2cyclictest3539790-21aten_repower_po12:15:501
3117295991714,2cyclictest3431381-21kthreadcore11:00:551
3117295991714,2cyclictest3422847-21irqcore10:55:551
3117295991714,2cyclictest0-21swapper/107:35:031
3117295991713,3cyclictest3535340-21kthreadcore12:10:551
3117295991713,3cyclictest3514334-21kthreadcore11:55:541
3117295991713,2cyclictest0-21swapper/110:30:021
311729499179,2cyclictest0-21swapper/010:50:500
311729499177,6cyclictest3383401-21ssh10:28:400
3117294991714,2cyclictest3569093-21/usr/sbin/munin12:35:570
3117294991714,2cyclictest3370896-21irqcore10:20:530
3117294991714,2cyclictest0-21swapper/010:10:020
3117294991713,3cyclictest3220859-21kthreadcore08:30:580
3240591160,3phc2sys0-21swapper/311:21:303
3240591160,2phc2sys0-21swapper/311:59:443
3240591160,2phc2sys0-21swapper/309:56:433
3240591160,1phc2sys0-21swapper/310:19:213
3117296991613,2cyclictest0-21swapper/207:30:472
3117296991613,1cyclictest0-21swapper/212:20:022
3117296991613,1cyclictest0-21swapper/211:41:172
3117296991613,1cyclictest0-21swapper/211:28:082
3117296991613,1cyclictest0-21swapper/210:56:052
3117296991613,1cyclictest0-21swapper/210:15:032
3117296991613,1cyclictest0-21swapper/210:00:012
3117296991613,1cyclictest0-21swapper/209:48:372
3117296991613,1cyclictest0-21swapper/209:20:022
3117296991612,2cyclictest0-21swapper/212:15:022
3117296991612,2cyclictest0-21swapper/209:25:022
311729599164,3cyclictest3369953-21aten2.4-expect10:20:491
311729599161,6cyclictest3450757-21munin-run11:15:001
3117295991613,2cyclictest3519460-21kthreadcore12:00:551
3117295991613,2cyclictest3385054-21grep10:30:521
3117295991613,2cyclictest3385054-21grep10:30:521
3117295991613,2cyclictest3318864-21cpuspeed_turbos09:45:501
3117295991613,2cyclictest3296471-21acpi09:30:491
3117295991613,2cyclictest3294264-21mailstats09:26:021
3117295991613,2cyclictest3272129-21proc_pri09:11:031
3117295991613,2cyclictest3211643-21cron08:25:011
3117295991613,2cyclictest3159642-21kthreadcore07:40:561
3117295991610,2cyclictest69250irq/121-eno111:25:491
3117294991613,2cyclictest1141-21ntpd09:01:020
3240591150,4phc2sys0-21swapper/310:27:513
3240591150,4phc2sys0-21swapper/309:45:483
3240591150,2phc2sys0-21swapper/311:37:123
3240591150,2phc2sys0-21swapper/310:35:573
3240591150,2phc2sys0-21swapper/308:25:513
3240591150,1phc2sys0-21swapper/311:54:573
3240591150,1phc2sys0-21swapper/310:09:563
311729699151,4cyclictest0-21swapper/208:30:012
3117296991513,1cyclictest0-21swapper/209:45:012
3117296991512,1cyclictest0-21swapper/212:27:332
3117296991512,1cyclictest0-21swapper/212:23:582
3117296991512,1cyclictest0-21swapper/212:03:562
3117296991512,1cyclictest0-21swapper/211:51:412
3117296991512,1cyclictest0-21swapper/211:45:552
3117296991512,1cyclictest0-21swapper/210:45:272
3117296991512,1cyclictest0-21swapper/209:52:032
3117296991512,1cyclictest0-21swapper/209:40:012
3117296991512,1cyclictest0-21swapper/209:10:382
3117296991512,1cyclictest0-21swapper/208:10:012
3117296991512,1cyclictest0-21swapper/207:15:022
3117296991511,2cyclictest0-21swapper/212:31:192
3117296991511,2cyclictest0-21swapper/212:05:562
3117296991511,2cyclictest0-21swapper/210:41:012
311729599153,4cyclictest0-21swapper/111:07:291
311729599153,3cyclictest3125953-21aten2.4-expect07:15:481
311729599152,4cyclictest0-21swapper/110:45:221
3117295991512,2cyclictest3224021-21sh08:35:021
3117295991512,2cyclictest3200531-21gltestperf08:15:521
3117295991512,2cyclictest3179814-21phc2sys-jitter07:56:001
3117295991512,2cyclictest3139307-21grep07:25:541
311729499159,3cyclictest0-21swapper/008:35:590
3117294991513,1cyclictest3123388-21munin-node08:03:340
3240591141,6phc2sys0-21swapper/309:00:483
3240591141,2phc2sys0-21swapper/309:40:013
3240591140,2phc2sys0-21swapper/311:18:053
3240591140,2phc2sys0-21swapper/309:23:103
3240591140,1phc2sys0-21swapper/310:21:433
3240591140,1phc2sys0-21swapper/309:18:073
311729699142,6cyclictest0-21swapper/207:15:482
3117296991412,1cyclictest0-21swapper/211:20:592
3117296991412,1cyclictest0-21swapper/207:25:022
3117296991411,2cyclictest0-21swapper/209:29:202
3117296991411,1cyclictest0-21swapper/211:05:492
3117296991411,1cyclictest0-21swapper/209:30:502
3117296991411,1cyclictest0-21swapper/209:05:542
3117296991411,1cyclictest0-21swapper/208:58:412
3117296991410,2cyclictest0-21swapper/211:35:572
311729699140,9cyclictest0-21swapper/208:10:482
3117295991411,2cyclictest3250159-21kthreadcore08:55:581
3240591130,2phc2sys0-21swapper/312:17:243
3240591130,2phc2sys0-21swapper/311:01:463
3240591130,2phc2sys0-21swapper/310:12:403
3240591130,2phc2sys0-21swapper/308:02:073
311729699136,3cyclictest0-21swapper/208:15:482
3117296991311,1cyclictest0-21swapper/212:35:212
3117296991311,1cyclictest0-21swapper/211:55:312
3117296991311,1cyclictest0-21swapper/210:20:022
3117296991311,1cyclictest0-21swapper/210:05:142
3117296991311,1cyclictest0-21swapper/208:41:002
3117296991311,1cyclictest0-21swapper/207:10:022
3117296991310,1cyclictest0-21swapper/209:00:562
3117296991310,1cyclictest0-21swapper/208:35:022
3117296991310,1cyclictest0-21swapper/208:20:552
3117296991310,1cyclictest0-21swapper/208:00:492
3117296991310,1cyclictest0-21swapper/207:45:512
3117296991310,1cyclictest0-21swapper/207:45:512
3117295991310,2cyclictest0-21swapper/107:10:031
3240591121,4phc2sys0-21swapper/312:00:483
3240591121,2phc2sys0-21swapper/309:50:473
3240591121,2phc2sys0-21swapper/307:05:483
3240591120,4phc2sys0-21swapper/307:55:503
3240591120,2phc2sys0-21swapper/311:10:473
3240591120,2phc2sys0-21swapper/309:42:213
3240591120,2phc2sys0-21swapper/309:33:563
3240591120,2phc2sys0-21swapper/309:09:193
3240591120,1phc2sys0-21swapper/312:36:523
3240591120,1phc2sys0-21swapper/312:31:553
3117296991210,1cyclictest0-21swapper/208:50:532
3117296991210,1cyclictest0-21swapper/207:55:582
3117296991210,1cyclictest0-21swapper/207:54:032
3240591114,2phc2sys0-21swapper/308:15:523
3240591111,4phc2sys0-21swapper/308:10:483
3240591110,2phc2sys0-21swapper/311:29:563
3240591110,2phc2sys0-21swapper/308:31:513
3240591110,1phc2sys0-21swapper/307:49:333
3240591110,1phc2sys0-21swapper/307:49:333
3240591110,1phc2sys0-21swapper/307:29:413
3240591101,2phc2sys0-21swapper/310:00:373
3240591101,2phc2sys0-21swapper/307:40:513
3240591101,2phc2sys0-21swapper/307:35:543
3240591101,1phc2sys0-21swapper/312:22:213
3240591100,2phc2sys0-21swapper/312:25:583
3240591100,2phc2sys0-21swapper/311:49:273
3240591100,2phc2sys0-21swapper/311:41:373
3240591100,2phc2sys0-21swapper/311:30:393
3240591100,2phc2sys0-21swapper/310:56:573
3240591100,2phc2sys0-21swapper/310:46:313
3240591100,2phc2sys0-21swapper/310:40:063
3240591100,2phc2sys0-21swapper/308:40:023
324059191,2phc2sys0-21swapper/307:30:543
324059191,2phc2sys0-21swapper/307:15:553
324059190,2phc2sys0-21swapper/308:55:533
324059190,2phc2sys0-21swapper/308:45:473
324059190,2phc2sys0-21swapper/308:44:563
324059190,2phc2sys0-21swapper/308:20:263
324059190,2phc2sys0-21swapper/308:05:523
324059190,2phc2sys0-21swapper/307:51:013
324059190,2phc2sys0-21swapper/307:20:403
324059180,2phc2sys0-21swapper/308:50:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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