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2026-07-31 - 21:06
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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 Fri Jul 31, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25262621620,2sleep30-21swapper/312:08:043
411128521200,1sleep10-21swapper/108:10:591
3852721010,2sleep30-21swapper/309:45:033
1592822770,2sleep1159283-21cut11:05:571
683902700,1sleep068388-21ssh10:05:240
4032008993128,2cyclictest90409-21latency_hist10:20:010
2205662300,2sleep1220426-21ssh11:45:571
4032009992315,3cyclictest0-21swapper/109:35:021
4032008992311,4cyclictest684-21systemd-logind10:00:020
4032010992219,1cyclictest0-21swapper/212:00:002
4032008992215,6cyclictest4091627-21cut07:55:580
4032009992118,2cyclictest684-21systemd-logind07:10:011
4032008992112,3cyclictest9147-21/usr/sbin/munin09:25:540
4032010992010,5cyclictest0-21swapper/208:20:022
4032009992013,3cyclictest249345-21kthreadcore12:05:581
403200899207,5cyclictest0-21swapper/011:18:350
4032008992018,1cyclictest0-21swapper/009:25:020
4032008992017,2cyclictest1-21systemd09:00:020
4032008992014,5cyclictest123540-21kthreadcore10:40:570
3240591201,9phc2sys0-21swapper/307:05:383
4032010991916,1cyclictest0-21swapper/212:35:012
4032010991914,2cyclictest0-21swapper/210:13:082
4032009991916,2cyclictest268113-21munin-plugin-st12:20:011
4032009991916,2cyclictest105356-21systemd10:30:011
4032009991912,5cyclictest1-21systemd08:40:021
4032009991912,3cyclictest9147-21/usr/sbin/munin09:25:581
403200899198,6cyclictest0-21swapper/010:05:020
4032008991916,2cyclictest662-21avahi-daemon07:40:010
4032008991916,2cyclictest216558-21systemd-run11:45:000
4032008991916,2cyclictest164968-21grep11:10:030
4032008991916,2cyclictest0-21swapper/007:15:010
4032008991911,4cyclictest183347-21kthreadcore11:20:580
3240591190,2phc2sys0-21swapper/310:05:563
4032010991816,1cyclictest0-21swapper/211:35:562
4032010991816,1cyclictest0-21swapper/211:10:032
4032010991815,1cyclictest0-21swapper/208:10:012
4032009991816,1cyclictest75378-21ssh10:10:011
4032009991815,2cyclictest68111-21systemd10:05:021
4032009991815,2cyclictest176832-21kthreadcore11:15:591
4032009991815,2cyclictest142435-21/usr/sbin/munin10:55:011
4032009991815,2cyclictest1034-21runrttasks11:58:311
4032009991815,2cyclictest0-21swapper/107:20:021
403200999181,3cyclictest191rcu_preempt09:10:021
403200999180,3cyclictest165307-21ssh11:10:321
403200899189,5cyclictest0-21swapper/012:36:010
403200899188,5cyclictest0-21swapper/012:15:020
4032008991815,2cyclictest759-1atopacctd12:05:590
4032008991815,2cyclictest4143709-21sh08:40:010
4032008991815,2cyclictest4137807-21systemd08:35:020
4032008991815,2cyclictest275512-21latency_hist12:25:010
4032008991810,6cyclictest664-21dbus-daemon08:20:020
3240591180,1phc2sys0-21swapper/311:31:423
4032010991715,1cyclictest0-21swapper/211:10:592
4032010991714,1cyclictest0-21swapper/212:10:012
4032010991714,1cyclictest0-21swapper/211:05:012
4032010991714,1cyclictest0-21swapper/210:41:012
4032010991714,1cyclictest0-21swapper/210:10:022
403200999179,6cyclictest69250irq/121-eno110:45:351
4032009991714,2cyclictest4155838-21latency_hist08:50:011
4032009991714,2cyclictest4077144-21sh07:45:021
4032009991714,2cyclictest4038108-21munin-node09:54:261
4032009991714,2cyclictest38564-21latency_hist09:45:031
4032009991714,2cyclictest275712-21/usr/sbin/munin12:25:021
4032009991714,2cyclictest0-21swapper/107:15:021
4032009991713,3cyclictest4136515-21kthreadcore08:31:001
4032009991711,1cyclictest191rcu_preempt11:31:261
4032009991710,5cyclictest1-21systemd08:30:011
4032009991710,3cyclictest108610-21kthreadcore10:30:581
403200899177,5cyclictest0-21swapper/012:16:150
403200899177,5cyclictest0-21swapper/012:05:020
403200899177,5cyclictest0-21swapper/010:47:150
4032008991715,1cyclictest4089328-21cut07:55:020
4032008991715,1cyclictest0-21swapper/009:00:360
4032008991714,2cyclictest51598-21grep09:51:040
4032008991714,2cyclictest0-21swapper/009:50:010
3240591177,2phc2sys0-21swapper/311:35:593
3240591170,2phc2sys0-21swapper/311:00:433
3240591170,2phc2sys0-21swapper/310:53:343
3240591170,2phc2sys0-21swapper/309:27:413
3240591170,1phc2sys0-21swapper/311:46:293
4032010991614,1cyclictest0-21swapper/210:20:552
4032010991614,1cyclictest0-21swapper/208:50:022
4032010991613,1cyclictest0-21swapper/211:20:022
4032010991613,1cyclictest0-21swapper/210:30:012
4032010991613,1cyclictest0-21swapper/209:55:022
4032010991613,1cyclictest0-21swapper/208:41:022
4032010991613,1cyclictest0-21swapper/207:45:012
4032010991610,2cyclictest0-21swapper/209:00:552
403200999169,1cyclictest601rcuop/308:15:541
403200999169,1cyclictest501rcuop/212:40:011
403200999168,2cyclictest501rcuop/210:57:371
403200999167,3cyclictest501rcuop/211:39:541
4032009991613,2cyclictest759-1atopacctd11:20:571
4032009991613,2cyclictest7281-21grep09:21:051
4032009991613,2cyclictest664-21dbus-daemon08:45:011
4032009991613,2cyclictest4188227-21/usr/sbin/munin09:15:571
4032009991613,2cyclictest4032006-21cyclictest08:56:161
4032009991613,2cyclictest0-21swapper/110:45:011
4032009991613,2cyclictest0-21swapper/110:00:031
4032009991613,2cyclictest0-21swapper/109:05:011
403200899169,6cyclictest0-21swapper/011:50:350
403200899169,1cyclictest0-21swapper/011:01:040
403200899163,6cyclictest0-21swapper/011:10:360
403200899161,5cyclictest491rcuog/210:29:250
4032008991614,1cyclictest0-21swapper/012:00:010
4032008991613,2cyclictest4047503-21gltestperf07:20:550
4032008991613,2cyclictest145841-21tr10:55:580
4032008991613,2cyclictest142617-21systemd10:55:020
4032008991613,2cyclictest118573-21mailstats10:36:050
4032008991610,5cyclictest715-21wpa_supplicant08:22:400
3240591160,1phc2sys0-21swapper/310:27:213
40685022150,2sleep30-21swapper/307:35:593
4032010991513,1cyclictest0-21swapper/209:25:022
4032010991513,1cyclictest0-21swapper/208:55:022
4032010991513,1cyclictest0-21swapper/207:15:012
4032010991512,2cyclictest0-21swapper/207:10:022
4032010991512,1cyclictest0-21swapper/212:36:482
4032010991512,1cyclictest0-21swapper/211:50:532
4032010991512,1cyclictest0-21swapper/211:30:442
4032010991512,1cyclictest0-21swapper/211:29:582
4032010991512,1cyclictest0-21swapper/210:45:532
4032010991512,1cyclictest0-21swapper/209:41:022
4032010991512,1cyclictest0-21swapper/208:30:582
4032010991512,1cyclictest0-21swapper/208:10:552
4032010991512,1cyclictest0-21swapper/208:00:012
4032010991512,1cyclictest0-21swapper/207:53:002
4032010991511,2cyclictest0-21swapper/209:59:112
403200999159,5cyclictest1307-21mta-sts-daemon10:23:341
403200999159,5cyclictest1300-21mta-sts-daemon12:34:211
403200999157,3cyclictest351ktimers/111:01:041
403200999155,3cyclictest501rcuop/210:12:521
4032009991512,2cyclictest88399-21missed_timers10:15:591
4032009991512,2cyclictest759-1atopacctd11:50:451
4032009991512,2cyclictest4100614-21mailstats08:01:021
4032009991512,2cyclictest243876-21latency12:00:581
4032009991512,2cyclictest114786-21kthreadcore10:36:001
4032009991512,2cyclictest0-21swapper/107:35:011
4032009991511,3cyclictest135068-21kworker/u16:3+nfsiod11:42:521
4032009991510,4cyclictest275998-21apt12:25:351
4032009991510,4cyclictest0-21swapper/112:10:411
403200899159,5cyclictest1307-21mta-sts-daemon09:14:350
403200899159,1cyclictest0-21swapper/009:40:030
403200899157,4cyclictest0-21swapper/011:30:590
403200899154,5cyclictest0-21swapper/012:30:450
4032008991513,1cyclictest1-21systemd09:05:160
4032008991512,2cyclictest759-1atopacctd08:26:010
4032008991512,2cyclictest4188976-21grep09:15:530
4032008991512,2cyclictest4096382-21gltestperf08:00:540
4032008991512,2cyclictest171ktimers/008:44:410
4032008991512,2cyclictest0-21swapper/011:30:010
3240591155,1phc2sys0-21swapper/311:41:403
3240591151,6phc2sys0-21swapper/307:50:373
3240591150,2phc2sys0-21swapper/312:10:343
3240591150,2phc2sys0-21swapper/311:56:513
3240591150,2phc2sys0-21swapper/310:44:333
3240591150,2phc2sys0-21swapper/308:05:023
4032010991412,1cyclictest0-21swapper/212:21:042
4032010991412,1cyclictest0-21swapper/209:35:022
4032010991412,1cyclictest0-21swapper/208:20:362
4032010991411,2cyclictest0-21swapper/209:45:522
4032010991411,2cyclictest0-21swapper/209:36:022
4032010991411,1cyclictest0-21swapper/212:11:372
4032010991411,1cyclictest0-21swapper/212:00:592
4032010991411,1cyclictest0-21swapper/211:40:392
4032010991411,1cyclictest0-21swapper/210:55:272
4032010991411,1cyclictest0-21swapper/210:50:522
4032010991411,1cyclictest0-21swapper/210:33:332
4032010991411,1cyclictest0-21swapper/209:13:442
4032010991411,1cyclictest0-21swapper/209:05:552
4032010991411,1cyclictest0-21swapper/208:25:582
4032010991411,1cyclictest0-21swapper/207:35:382
4032010991411,1cyclictest0-21swapper/207:30:362
4032010991411,1cyclictest0-21swapper/207:29:022
4032010991410,2cyclictest0-21swapper/212:26:022
403200999146,5cyclictest1309-21mta-sts-daemon07:50:381
403200999142,3cyclictest501rcuop/207:20:361
4032009991412,1cyclictest4182724-21kthreadcore09:10:571
4032009991411,2cyclictest759-1atopacctd09:35:581
4032009991411,2cyclictest4157428-21irqrtprio08:50:561
4032009991411,2cyclictest4093250-21kthreadcore07:55:581
4032009991411,2cyclictest188900-21kthreadcore11:25:571
4032009991411,2cyclictest1300-21mta-sts-daemon07:25:351
4032009991411,2cyclictest1-21systemd09:45:511
4032009991410,3cyclictest4122042-21kthreadcore08:20:581
403200899149,4cyclictest4038108-21munin-node07:25:200
403200899149,4cyclictest1306-21mta-sts-daemon08:12:480
403200899146,2cyclictest1306-21mta-sts-daemon09:30:390
403200899145,4cyclictest0-21swapper/011:35:340
4032008991412,1cyclictest0-21swapper/010:35:030
4032008991411,2cyclictest92384-21sed10:20:580
4032008991411,2cyclictest4160896-21missed_timers08:50:590
4032008991411,2cyclictest4153495-21kthreadcore08:45:580
4032008991411,2cyclictest4061309-21kthreadcore07:30:590
4032008991411,2cyclictest32086-21gltestperf09:40:540
4032008991411,2cyclictest1-21systemd11:45:220
3240591144,2phc2sys0-21swapper/308:21:003
3240591141,2phc2sys0-21swapper/312:36:433
3240591141,2phc2sys0-21swapper/309:13:143
3240591141,1phc2sys0-21swapper/312:27:453
3240591140,1phc2sys0-21swapper/311:24:343
834562130,2sleep30-21swapper/310:15:303
4032010991311,1cyclictest0-21swapper/211:20:542
4032010991311,1cyclictest0-21swapper/210:20:002
4032010991311,1cyclictest0-21swapper/210:05:022
4032010991311,1cyclictest0-21swapper/209:29:122
4032010991311,1cyclictest0-21swapper/208:56:012
4032010991310,1cyclictest0-21swapper/212:16:092
4032010991310,1cyclictest0-21swapper/211:45:582
4032010991310,1cyclictest0-21swapper/208:00:562
4032010991310,1cyclictest0-21swapper/207:45:562
4032010991310,1cyclictest0-21swapper/207:20:562
4032010991310,1cyclictest0-21swapper/207:15:582
403200999139,3cyclictest4077490-21aten_repower_po07:45:451
403200999139,3cyclictest4068840-21kthreadcore07:35:591
4032009991310,2cyclictest4102649-21sed08:05:581
403200899139,2cyclictest0-21swapper/007:10:010
403200899138,4cyclictest679-21rsyslogd07:40:490
403200899135,6cyclictest4106231-21tr08:06:010
403200899135,4cyclictest0-21swapper/010:10:590
403200899135,1cyclictest0-21swapper/012:25:350
4032008991310,2cyclictest4079527-21kthreadcore07:45:570
403200899130,7cyclictest0-21swapper/007:15:350
3240591130,3phc2sys0-21swapper/309:49:123
3240591130,2phc2sys0-21swapper/310:04:043
3240591130,2phc2sys0-21swapper/309:37:473
3240591130,2phc2sys0-21swapper/307:42:453
595622120,2sleep30-21swapper/309:57:303
41619832128,2sleep30-21swapper/308:55:023
403201099129,1cyclictest0-21swapper/208:35:532
4032010991210,1cyclictest0-21swapper/210:36:192
4032010991210,1cyclictest0-21swapper/209:16:012
3240591121,3phc2sys0-21swapper/308:30:463
3240591121,2phc2sys0-21swapper/309:06:053
3240591121,2phc2sys0-21swapper/308:15:353
3240591121,2phc2sys0-21swapper/307:56:033
3240591120,2phc2sys0-21swapper/311:19:393
3240591120,2phc2sys0-21swapper/310:59:393
3240591120,2phc2sys0-21swapper/309:30:543
3240591120,2phc2sys0-21swapper/309:20:363
3240591120,2phc2sys0-21swapper/308:40:363
3240591120,2phc2sys0-21swapper/308:05:373
3240591120,1phc2sys0-21swapper/310:30:403
3240591111,4phc2sys0-21swapper/308:55:363
3240591111,2phc2sys0-21swapper/311:26:293
3240591110,2phc2sys0-21swapper/309:51:223
3240591110,1phc2sys0-21swapper/307:48:183
3240591110,1phc2sys0-21swapper/307:27:383
3240591110,1phc2sys0-21swapper/307:16:123
1340212110,2sleep30-21swapper/310:47:043
3240591102,2phc2sys0-21swapper/310:36:343
3240591101,2phc2sys0-21swapper/310:22:523
3240591101,1phc2sys0-21swapper/311:13:343
3240591100,2phc2sys0-21swapper/312:15:353
3240591100,2phc2sys0-21swapper/312:00:523
3240591100,2phc2sys0-21swapper/311:50:183
3240591100,2phc2sys0-21swapper/311:08:093
3240591100,2phc2sys0-21swapper/309:15:273
3240591100,2phc2sys0-21swapper/308:27:133
3240591100,2phc2sys0-21swapper/307:11:033
3240591100,1phc2sys0-21swapper/310:14:463
3240591100,1phc2sys0-21swapper/309:00:283
324059190,2phc2sys0-21swapper/312:30:543
324059190,2phc2sys0-21swapper/312:23:163
324059190,2phc2sys0-21swapper/308:45:573
324059190,2phc2sys0-21swapper/308:10:543
324059190,2phc2sys0-21swapper/307:31:033
324059190,2phc2sys0-21swapper/307:20:533
324059180,2phc2sys0-21swapper/308:35:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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