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2026-04-25 - 18:22
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Sat Apr 25, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294422621130,2sleep30-21swapper/312:10:423
27243562560,3sleep02724350-21cron09:45:000
28442402350,2sleep20-21swapper/211:03:512
2518457992818,6cyclictest2801181-21grep10:35:410
2518459992421,1cyclictest0-21swapper/207:15:002
2518457992412,7cyclictest0-21swapper/009:10:010
2518458992313,4cyclictest0-21swapper/110:10:351
2518457992320,2cyclictest2964993-21grep12:25:010
2518457992314,5cyclictest2897788-21aten_repower_vo11:40:360
2518457992313,5cyclictest2758706-21kthreadcore10:05:430
2518458992215,3cyclictest2835299-21wc10:55:461
2518458992212,5cyclictest2878952-21kthreadcore11:25:431
2518457992210,6cyclictest0-21swapper/011:50:370
2518457992118,2cyclictest2739598-21apt-config09:55:000
2518457992112,5cyclictest2845511-21cstates11:05:380
2518457992110,6cyclictest0-21swapper/012:35:020
383433398200,4rtkit-daemon2524834-21munin-node10:18:340
2518457992014,5cyclictest2694667-21aten_repower_po09:25:370
2518457992013,4cyclictest2981074-21head12:35:400
2518457992013,4cyclictest2981074-21head12:35:400
2518457992011,4cyclictest2726201-21kthreadcore09:45:420
2649091191,2phc2sys0-21swapper/311:54:233
2518459991917,1cyclictest0-21swapper/207:45:022
2518459991916,1cyclictest0-21swapper/210:10:002
2518459991916,1cyclictest0-21swapper/209:35:012
2518459991916,1cyclictest0-21swapper/209:25:002
2518459991916,1cyclictest0-21swapper/208:25:002
2518459991916,1cyclictest0-21swapper/208:10:012
2518458991916,2cyclictest2686614-21cut09:20:011
2518458991916,2cyclictest2633949-21cut08:40:001
2518458991914,3cyclictest1326-21systemd-logind08:10:021
2518458991913,2cyclictest134050irq/121-eno109:25:011
251845799199,5cyclictest0-21swapper/010:15:010
251845799198,4cyclictest2687087-21aten_repower_en09:20:350
2518457991916,2cyclictest2709046-21latency_hist09:35:000
2518457991916,2cyclictest2546547-21sh07:30:020
2518457991915,3cyclictest2748208-21sort10:00:390
2518457991915,3cyclictest2748208-21sort10:00:390
2518457991915,2cyclictest1290-21dbus-daemon07:50:010
2518457991911,6cyclictest0-21swapper/010:50:470
2649091181,3phc2sys0-21swapper/312:15:373
2649091180,2phc2sys0-21swapper/311:03:413
2649091180,2phc2sys0-21swapper/310:57:403
2649091180,2phc2sys0-21swapper/309:10:493
2518459991815,1cyclictest0-21swapper/211:50:002
2518459991815,1cyclictest0-21swapper/210:45:412
2518459991810,5cyclictest2542943-21chrt07:25:432
2518458991815,2cyclictest3824500-21cron07:35:001
2518458991815,2cyclictest2940596-21mailstats12:05:461
2518458991815,2cyclictest2826249-21kthreadcore10:50:431
2518458991815,2cyclictest1290-21dbus-daemon07:15:011
2518458991815,2cyclictest0-21swapper/107:20:001
2518458991814,3cyclictest1-21systemd12:15:011
2518458991811,3cyclictest2850114-21grep11:05:471
2518458991810,3cyclictest0-21swapper/112:30:481
2518458991810,3cyclictest0-21swapper/110:05:361
251845799187,6cyclictest0-21swapper/009:55:380
2518457991815,2cyclictest3851875-21systemd-journal07:15:000
2518457991815,2cyclictest2891492-21cut11:35:420
2518457991815,2cyclictest0-21swapper/009:20:020
251845799181,2cyclictest0-21swapper/010:25:480
2518457991812,5cyclictest3851705-21mta-sts-daemon12:09:120
2518457991812,5cyclictest2853939-21kthreadcore11:10:430
2518457991812,5cyclictest1996-21runrttasks10:47:300
26490911711,3phc2sys0-21swapper/310:20:453
2649091170,2phc2sys0-21swapper/312:07:033
2518459991714,1cyclictest0-21swapper/210:40:442
2518459991714,1cyclictest0-21swapper/210:25:002
2518459991714,1cyclictest0-21swapper/207:30:472
2518458991714,2cyclictest2912167-21sh11:50:001
2518458991714,2cyclictest2889630-21cron11:35:001
2518458991714,2cyclictest2874695-21systemd11:25:001
2518458991714,2cyclictest2874695-21systemd11:25:001
2518458991714,2cyclictest2777356-21latency_hist10:20:021
2518458991714,2cyclictest2733666-21kthreadcore09:50:461
2518458991714,2cyclictest2718667-21kthreadcore09:40:431
2518458991714,2cyclictest2715112-21sensors_fan09:35:481
2518458991714,2cyclictest2715112-21sensors_fan09:35:481
2518458991714,2cyclictest0-21swapper/112:25:021
251845899170,3cyclictest2972106-21ssh12:29:181
251845899170,3cyclictest2843500-21ssh11:01:321
251845799178,5cyclictest2954548-21kthreadcore12:15:450
251845799178,5cyclictest0-21swapper/011:00:490
251845799171,9cyclictest1290-21dbus-daemon07:45:010
2518457991714,2cyclictest3827634-1atopacctd08:10:420
2518457991714,2cyclictest2709819-21apt-get09:35:350
2518457991714,2cyclictest2709819-21apt-get09:35:350
2518457991714,2cyclictest2552581-21latency_hist07:35:000
2518457991714,2cyclictest1-21systemd07:55:000
2518457991714,2cyclictest0-21swapper/008:00:000
2518457991713,2cyclictest2518561-21latency_hist07:10:010
2649091160,2phc2sys0-21swapper/311:28:453
2649091160,2phc2sys0-21swapper/310:40:113
2649091160,2phc2sys0-21swapper/309:32:543
2649091160,1phc2sys0-21swapper/312:34:563
2649091160,1phc2sys0-21swapper/308:16:473
2518459991614,1cyclictest0-21swapper/211:00:022
2518459991614,1cyclictest0-21swapper/210:15:012
2518459991614,1cyclictest0-21swapper/207:10:012
2518459991613,1cyclictest0-21swapper/212:35:512
2518459991613,1cyclictest0-21swapper/212:35:512
2518459991613,1cyclictest0-21swapper/212:20:442
2518459991613,1cyclictest0-21swapper/209:57:012
2518459991613,1cyclictest0-21swapper/209:55:012
2518459991613,1cyclictest0-21swapper/209:50:012
2518459991613,1cyclictest0-21swapper/208:40:002
2518459991613,1cyclictest0-21swapper/208:15:362
2518459991613,1cyclictest0-21swapper/207:20:432
251845899169,3cyclictest2653109-21aten_repower_fr08:55:381
251845899168,3cyclictest0-21swapper/112:35:491
251845899168,3cyclictest0-21swapper/112:35:491
251845899168,3cyclictest0-21swapper/111:35:371
251845899168,3cyclictest0-21swapper/111:10:371
2518458991614,1cyclictest2608877-21sh08:20:001
2518458991613,2cyclictest3851705-21mta-sts-daemon07:35:461
2518458991613,2cyclictest3851702-21mta-sts-daemon08:25:381
2518458991613,2cyclictest2935025-21systemd-run12:05:011
2518458991613,2cyclictest2923858-21kthreadcore11:55:441
2518458991613,2cyclictest2695151-21grep09:25:391
2518458991613,2cyclictest1290-21dbus-daemon10:50:011
2518458991612,3cyclictest3851704-21mta-sts-daemon11:16:411
2518458991612,3cyclictest3824565-21in:imuxsock07:10:011
2518458991612,3cyclictest2729338-21kthreadcore09:45:431
2518458991612,3cyclictest2709213-21grep09:35:011
2518458991610,2cyclictest2950463-21aten2.4-expect12:15:371
251845799169,6cyclictest3851702-21mta-sts-daemon08:20:470
251845799168,4cyclictest2949791-21taskset12:14:430
251845799168,4cyclictest2906391-21irqrtprio11:45:410
251845799168,4cyclictest0-21swapper/011:25:000
251845799168,4cyclictest0-21swapper/011:25:000
251845799167,5cyclictest0-21swapper/011:20:010
2518457991613,2cyclictest2933427-21tail12:00:490
2518457991613,2cyclictest2518452-21cyclictest11:35:010
2518457991613,2cyclictest1326-21systemd-logind07:20:010
2518457991612,3cyclictest3851704-21mta-sts-daemon11:55:200
2649091150,6phc2sys2828268-21chrt10:50:533
2649091150,2phc2sys0-21swapper/311:40:233
2649091150,2phc2sys0-21swapper/310:38:563
2649091150,2phc2sys0-21swapper/309:24:533
2518459991513,1cyclictest0-21swapper/212:10:022
251845999151,2cyclictest0-21swapper/212:30:342
2518459991512,1cyclictest0-21swapper/211:34:072
2518459991512,1cyclictest0-21swapper/211:20:412
2518459991512,1cyclictest0-21swapper/211:20:412
2518459991512,1cyclictest0-21swapper/211:05:372
2518459991512,1cyclictest0-21swapper/210:35:412
2518459991512,1cyclictest0-21swapper/209:19:092
2518459991512,1cyclictest0-21swapper/209:13:582
2518459991512,1cyclictest0-21swapper/208:45:442
2518459991512,1cyclictest0-21swapper/208:00:022
2518459991511,2cyclictest0-21swapper/211:15:022
2518459991511,2cyclictest0-21swapper/210:51:512
2518459991511,2cyclictest0-21swapper/207:35:492
251845899158,6cyclictest2624974-21tr08:30:431
2518458991512,2cyclictest2797588-21grep10:30:461
2518458991512,2cyclictest2745052-21needreboot09:55:481
2518458991512,2cyclictest2646437-21idleruntime-cro08:50:001
2518458991512,2cyclictest2568361-21kthreadcore07:45:451
2518458991512,2cyclictest2545712-21sshd07:26:051
2518458991512,2cyclictest0-21swapper/110:45:011
2518458991511,3cyclictest2673297-21kernelversion09:10:421
2518458991511,3cyclictest2573042-21kthreadcore07:50:421
2518458991511,2cyclictest0-21swapper/109:10:011
2518458991511,2cyclictest0-21swapper/108:05:021
2518458991511,2cyclictest0-21swapper/107:45:011
251845899150,3cyclictest0-21swapper/110:00:351
251845899150,3cyclictest0-21swapper/110:00:351
251845899150,13cyclictest2665194-21perf09:05:001
251845799158,6cyclictest3851702-21mta-sts-daemon07:20:500
251845799157,7cyclictest2782411-21tr10:20:440
2518457991512,2cyclictest3851703-21mta-sts-daemon08:28:200
2518457991512,2cyclictest3851702-21mta-sts-daemon10:32:090
2518457991512,2cyclictest2808204-21fschecks_count10:40:390
2518457991511,3cyclictest2652900-21kworker/u16:1+nfsiod09:12:090
2518457991511,3cyclictest2627692-21awk08:35:000
2518457991510,4cyclictest2628307-21cpuspeed_turbos08:35:370
251845799150,11cyclictest2881821-21ssh11:29:090
26538962140,3sleep02653901-21irqcore08:55:420
2649091141,3phc2sys0-21swapper/308:10:423
2649091140,2phc2sys0-21swapper/311:08:183
251845999144,8cyclictest0-21swapper/211:40:352
251845999141,7cyclictest0-21swapper/208:30:012
2518459991412,1cyclictest0-21swapper/209:45:002
2518459991412,1cyclictest0-21swapper/209:10:002
2518459991411,1cyclictest0-21swapper/212:15:432
2518459991411,1cyclictest0-21swapper/211:35:052
2518459991411,1cyclictest0-21swapper/211:25:412
2518459991411,1cyclictest0-21swapper/210:00:462
2518459991411,1cyclictest0-21swapper/210:00:462
2518459991411,1cyclictest0-21swapper/209:39:412
2518459991411,1cyclictest0-21swapper/209:39:412
2518459991411,1cyclictest0-21swapper/208:10:422
2518458991411,2cyclictest3851704-21mta-sts-daemon10:38:381
2518458991411,2cyclictest3851702-21mta-sts-daemon10:26:481
2518458991411,2cyclictest3841051-21wpa_supplicant08:50:381
2518458991411,2cyclictest2780444-21kthreadcore10:20:421
2518458991410,3cyclictest2915801-21kthreadcore11:50:451
251845799149,2cyclictest2607417-21kthreadcore08:15:440
251845799144,5cyclictest2665416-21cat09:05:010
251845799141,5cyclictest2835452-21/usr/sbin/munin10:55:470
2518457991412,1cyclictest2596424-21/usr/sbin/munin08:10:010
2518457991411,2cyclictest2966152-21gltestperf12:25:400
2518457991411,2cyclictest2639165-21missed_timers08:40:440
2518457991410,3cyclictest3827634-1atopacctd07:35:450
2649091134,2phc2sys0-21swapper/308:40:363
2649091130,3phc2sys0-21swapper/309:00:353
2649091130,2phc2sys0-21swapper/311:46:583
2649091130,2phc2sys0-21swapper/311:32:223
2649091130,2phc2sys0-21swapper/309:56:283
2518459991311,1cyclictest0-21swapper/212:25:422
2518459991311,1cyclictest0-21swapper/212:15:002
2518459991311,1cyclictest0-21swapper/212:00:442
2518459991311,1cyclictest0-21swapper/211:51:102
2518459991311,1cyclictest0-21swapper/211:15:462
2518459991311,1cyclictest0-21swapper/210:15:432
2518459991310,1cyclictest0-21swapper/211:55:362
2518459991310,1cyclictest0-21swapper/210:25:242
2518459991310,1cyclictest0-21swapper/209:25:432
2518459991310,1cyclictest0-21swapper/208:35:002
2518459991310,1cyclictest0-21swapper/207:55:022
2518459991310,1cyclictest0-21swapper/207:45:482
251845899138,4cyclictest3851705-21mta-sts-daemon08:10:171
251845899138,4cyclictest3851704-21mta-sts-daemon07:58:411
2518458991310,2cyclictest3851705-21mta-sts-daemon11:44:441
2518458991310,2cyclictest2635520-21irqrtprio08:40:411
251845799139,3cyclictest2642550-21kthreadcore08:45:430
2518457991311,1cyclictest3851704-21mta-sts-daemon08:50:380
251845799130,3cyclictest0-21swapper/008:00:280
2649091120,3phc2sys0-21swapper/310:32:383
2649091120,2phc2sys0-21swapper/312:27:393
2649091120,2phc2sys0-21swapper/311:55:363
2649091120,2phc2sys0-21swapper/311:19:283
2649091120,2phc2sys0-21swapper/309:29:423
2649091120,2phc2sys0-21swapper/308:58:233
2649091120,1phc2sys0-21swapper/310:01:453
2649091120,1phc2sys0-21swapper/310:01:453
2649091120,1phc2sys0-21swapper/308:47:083
251845999129,1cyclictest0-21swapper/208:55:452
251845999121,6cyclictest0-21swapper/207:20:012
2518459991210,1cyclictest0-21swapper/210:30:202
2518459991210,1cyclictest0-21swapper/208:50:442
2518459991210,1cyclictest0-21swapper/208:40:372
2518459991210,1cyclictest0-21swapper/208:00:432
251845899127,4cyclictest2614844-21sshd08:21:061
251845899125,5cyclictest2534685-21sh07:20:411
2649091113,2phc2sys0-21swapper/308:30:013
2649091111,2phc2sys0-21swapper/310:13:553
2649091110,2phc2sys0-21swapper/312:35:373
2649091110,2phc2sys0-21swapper/312:35:373
2649091110,2phc2sys0-21swapper/312:02:503
2649091110,2phc2sys0-21swapper/310:27:463
2649091110,2phc2sys0-21swapper/307:30:353
2649091110,1phc2sys0-21swapper/307:35:283
2649091102,2phc2sys0-21swapper/309:40:083
2649091101,3phc2sys0-21swapper/307:45:373
2649091101,2phc2sys0-21swapper/307:55:433
2649091101,2phc2sys0-21swapper/307:05:503
2649091101,1phc2sys0-21swapper/307:44:493
2649091100,2phc2sys0-21swapper/312:23:023
2649091100,2phc2sys0-21swapper/311:35:353
2649091100,2phc2sys0-21swapper/311:23:453
2649091100,2phc2sys0-21swapper/311:23:453
2649091100,2phc2sys0-21swapper/311:10:383
2649091100,2phc2sys0-21swapper/310:18:483
2649091100,2phc2sys0-21swapper/310:05:373
2649091100,2phc2sys0-21swapper/309:51:473
2649091100,2phc2sys0-21swapper/309:37:003
2649091100,2phc2sys0-21swapper/309:37:003
2649091100,2phc2sys0-21swapper/309:18:053
2649091100,2phc2sys0-21swapper/308:35:353
2649091100,2phc2sys0-21swapper/308:00:373
2649091100,2phc2sys0-21swapper/307:50:473
2649091100,2phc2sys0-21swapper/307:20:373
251845999108,1cyclictest0-21swapper/209:01:142
264909191,3phc2sys0-21swapper/308:20:373
264909191,3phc2sys0-21swapper/307:10:583
264909191,2phc2sys0-21swapper/308:50:383
264909190,2phc2sys0-21swapper/310:45:373
264909190,2phc2sys0-21swapper/309:45:173
264909190,2phc2sys0-21swapper/309:05:363
264909190,2phc2sys0-21swapper/308:30:423
264909190,2phc2sys0-21swapper/308:05:453
264909190,2phc2sys0-21swapper/307:25:063
264909190,2phc2sys0-21swapper/307:15:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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