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2026-05-13 - 23:18
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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 May 13, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350241621010,1sleep13502417-21latency_hist08:55:011
34689932980,2sleep30-21swapper/308:25:183
3367963992522,2cyclictest3580020-21wc09:45:211
3367963992320,2cyclictest0-21swapper/112:10:011
3367962992320,2cyclictest3528640-21idleruntime-cro09:15:000
3367962992320,2cyclictest1-21systemd07:15:010
3367962992219,2cyclictest3755764-21mailstats11:40:220
3367962992212,6cyclictest0-21swapper/011:20:180
383433398210,4rtkit-daemon3851702-21mta-sts-daemon09:40:480
3367964992119,1cyclictest0-21swapper/209:00:012
3367963992118,2cyclictest1326-21systemd-logind10:35:011
3367963992113,4cyclictest191rcu_preempt08:30:001
336796399210,2cyclictest3750080-21latency_hist11:40:001
336796299218,5cyclictest0-21swapper/011:25:090
3367962992118,2cyclictest3559076-21grep09:35:000
3367962992110,6cyclictest0-21swapper/010:55:220
34782502200,3sleep30-21swapper/308:35:123
3367964992017,1cyclictest0-21swapper/211:35:142
3367964992017,1cyclictest0-21swapper/210:55:212
3367963992017,2cyclictest3773071-21/usr/sbin/munin11:55:001
3367963992017,2cyclictest3477169-21sh08:35:001
3367963992014,2cyclictest134050irq/121-eno111:35:021
3367962992017,2cyclictest3765592-21systemd-run11:50:020
3367962992017,2cyclictest3650592-21apt-key10:35:000
3367962992016,3cyclictest3367956-21cyclictest10:40:010
3367962992014,4cyclictest3774195-21/usr/sbin/munin11:55:150
3367962992012,5cyclictest3828641-21kthreadcore12:30:150
336796299200,8cyclictest3768302-21tr11:50:160
336796299200,4cyclictest3543589-21ssh09:24:210
3367964991916,1cyclictest0-21swapper/210:50:002
3367963991916,2cyclictest3707170-21kthreadcore11:10:191
3367963991915,3cyclictest3615844-21kthreadcore10:10:171
3367963991913,2cyclictest134050irq/121-eno110:50:171
3367963991910,3cyclictest3428394-21irqcore07:55:151
336796399190,18cyclictest3564652-21ssh09:35:241
336796299197,6cyclictest0-21swapper/009:55:100
336796299192,4cyclictest3389136-21wc07:25:000
3367962991917,1cyclictest0-21swapper/008:25:150
3367962991916,2cyclictest3414273-21apt-key07:45:000
3367962991911,7cyclictest0-21swapper/012:05:110
3367962991911,4cyclictest3782376-21kthreadcore12:00:150
36288772180,2sleep30-21swapper/310:20:133
3367964991815,1cyclictest0-21swapper/211:10:022
3367964991815,1cyclictest0-21swapper/209:15:002
3367963991815,2cyclictest3827634-1atopacctd11:50:011
3367963991815,2cyclictest3626161-21grep10:15:231
3367963991815,2cyclictest3544081-21systemd-run09:25:011
3367963991815,2cyclictest0-21swapper/112:20:021
3367963991815,2cyclictest0-21swapper/109:30:011
336796299189,5cyclictest3744133-21kthreadcore11:35:170
336796299187,6cyclictest0-21swapper/009:15:140
3367962991815,2cyclictest3880722-21gmain09:27:410
3367962991815,2cyclictest3827634-1atopacctd12:15:010
3367962991815,2cyclictest3673745-21systemd-run10:50:000
3367962991815,2cyclictest0-21swapper/009:50:010
3367962991814,3cyclictest3628909-21tail10:20:130
3367962991813,3cyclictest0-21swapper/012:40:010
3367962991810,4cyclictest3826584-21true12:30:010
37361652170,2sleep30-21swapper/311:30:163
3367964991714,1cyclictest0-21swapper/212:00:012
3367964991714,1cyclictest0-21swapper/211:50:122
3367964991714,1cyclictest0-21swapper/211:50:012
3367964991714,1cyclictest0-21swapper/211:20:012
3367964991714,1cyclictest0-21swapper/210:20:162
3367964991714,1cyclictest0-21swapper/210:15:202
3367964991714,1cyclictest0-21swapper/210:10:162
3367964991714,1cyclictest0-21swapper/209:20:002
3367964991714,1cyclictest0-21swapper/207:49:532
336796399179,2cyclictest3433384-21kworker/1:0+events_freezable08:25:001
336796399179,1cyclictest191rcu_preempt09:45:011
336796399177,5cyclictest3395423-21kworker/1:1+events_freezable07:45:151
336796399171,5cyclictest3635618-21kworker/1:0-events10:44:101
3367963991714,2cyclictest3835113-21grep12:35:121
3367963991714,2cyclictest3826466-21/usr/sbin/munin12:30:001
3367963991714,2cyclictest3812123-21grep12:20:131
3367963991714,2cyclictest3673847-21grep10:50:001
3367963991714,2cyclictest3658426-21cron10:40:001
3367963991714,2cyclictest3536376-21/usr/sbin/munin09:20:011
3367963991714,2cyclictest3367973-21systemd07:10:011
3367963991714,2cyclictest1290-21dbus-daemon07:55:001
3367963991714,2cyclictest0-21swapper/112:00:211
336796399171,12cyclictest3374359-21munin-run07:15:011
3367963991710,2cyclictest501rcuop/210:07:011
3367963991710,1cyclictest601rcuop/310:03:541
3367963991710,1cyclictest501rcuop/212:12:351
3367963991710,1cyclictest501rcuop/211:29:261
3367963991710,1cyclictest501rcuop/210:25:251
336796399170,12cyclictest3719068-21ssh11:19:061
336796299175,7cyclictest3395407-21awk07:30:000
336796299171,12cyclictest0-21swapper/010:53:240
3367962991710,4cyclictest3658904-21aten2.4-expect10:40:090
336796299170,1cyclictest0-21swapper/007:55:000
2649091171,4phc2sys0-21swapper/307:45:083
2649091170,2phc2sys0-21swapper/311:55:383
2649091170,1phc2sys0-21swapper/311:23:483
2649091170,1phc2sys0-21swapper/311:17:583
383433398160,7rtkit-daemon3851705-21mta-sts-daemon07:49:530
3367964991613,1cyclictest0-21swapper/212:15:002
3367964991613,1cyclictest0-21swapper/212:06:552
3367964991613,1cyclictest0-21swapper/208:33:352
3367964991613,1cyclictest0-21swapper/208:20:262
3367964991613,1cyclictest0-21swapper/208:05:002
3367964991612,2cyclictest0-21swapper/207:55:132
336796399169,3cyclictest3383240-21tail07:20:111
336796399168,1cyclictest501rcuop/211:40:411
336796399163,3cyclictest3521401-21/usr/sbin/munin09:10:101
3367963991613,2cyclictest3774174-21gltestperf11:55:131
3367963991613,2cyclictest3691389-21kthreadcore11:00:181
3367963991613,2cyclictest3503829-21kernelversion08:55:161
3367963991612,3cyclictest3484888-21irqcore08:40:171
3367963991612,3cyclictest3482880-21runrttasks08:35:211
336796399161,14cyclictest3725028-21ssh11:20:221
3367963991611,1cyclictest191rcu_preempt09:31:011
3367963991610,2cyclictest3590140-21tail09:55:101
3367963991610,1cyclictest501rcuop/210:55:071
3367963991610,1cyclictest35841041kthreadcore09:50:151
336796399160,3cyclictest0-21swapper/112:32:491
336796299166,5cyclictest0-21swapper/010:25:140
336796299162,4cyclictest491rcuog/209:51:550
336796299161,4cyclictest491rcuog/210:19:090
3367962991614,1cyclictest3711820-21/usr/sbin/munin11:15:000
3367962991613,2cyclictest3742520-21latency_hist11:35:010
3367962991613,2cyclictest3521101-21systemd09:10:000
3367962991613,2cyclictest3442805-21kthreadcore08:05:170
336796299161,10cyclictest3559345-21/usr/sbin/munin09:35:270
2649091160,2phc2sys0-21swapper/312:28:083
2649091160,2phc2sys0-21swapper/312:00:313
2649091160,2phc2sys0-21swapper/309:42:383
2649091160,2phc2sys0-21swapper/308:55:093
3367964991513,1cyclictest0-21swapper/211:05:012
3367964991513,1cyclictest0-21swapper/207:20:002
3367964991513,1cyclictest0-21swapper/207:15:022
3367964991512,1cyclictest0-21swapper/212:20:002
3367964991512,1cyclictest0-21swapper/211:25:152
3367964991512,1cyclictest0-21swapper/211:20:182
3367964991512,1cyclictest0-21swapper/210:30:182
3367964991512,1cyclictest0-21swapper/210:00:002
3367964991512,1cyclictest0-21swapper/209:52:052
3367964991512,1cyclictest0-21swapper/209:45:182
3367964991512,1cyclictest0-21swapper/209:45:002
3367964991512,1cyclictest0-21swapper/209:30:162
3367964991512,1cyclictest0-21swapper/208:40:002
3367964991512,1cyclictest0-21swapper/208:29:552
3367964991512,1cyclictest0-21swapper/207:50:142
3367964991512,1cyclictest0-21swapper/207:44:282
3367964991511,2cyclictest0-21swapper/211:41:042
336796399159,1cyclictest501rcuop/207:34:351
3367963991512,2cyclictest3697639-21grep11:05:131
3367963991512,2cyclictest3516550-21kthreadcore09:05:151
3367963991512,2cyclictest1296-21polkitd07:20:011
3367963991511,1cyclictest3433384-21kworker/1:0+events_freezable08:11:571
3367963991511,1cyclictest3336819-21kworker/1:2+events_freezable07:28:431
3367963991510,2cyclictest3566712-21kworker/1:1+events_freezable10:21:551
336796399150,3cyclictest0-21swapper/107:37:171
336796399150,14cyclictest0-21swapper/109:00:221
336796299158,6cyclictest0-21swapper/012:20:230
336796299158,6cyclictest0-21swapper/010:00:090
336796299157,1cyclictest3612889-21ssh10:10:080
336796299155,5cyclictest0-21swapper/011:05:100
336796299154,6cyclictest0-21swapper/008:39:410
3367962991512,2cyclictest3851705-21mta-sts-daemon11:00:150
3367962991512,2cyclictest3851705-21mta-sts-daemon10:05:420
3367962991512,2cyclictest3851702-21mta-sts-daemon08:35:010
3367962991512,2cyclictest3509512-21gltestperf09:00:140
3367962991512,2cyclictest3508738-21cut09:00:020
3367962991512,2cyclictest3396809-21cut07:30:160
3367962991512,2cyclictest3374585-21kthreadcore07:15:030
3367962991512,2cyclictest1296-21polkitd08:50:020
3367962991512,2cyclictest1290-21dbus-daemon12:20:000
3367962991512,2cyclictest0-21swapper/008:00:000
3367962991511,2cyclictest3489961-21systemd-run08:45:020
336796499141,6cyclictest0-21swapper/208:50:012
3367964991412,1cyclictest0-21swapper/211:30:092
3367964991412,1cyclictest0-21swapper/211:10:122
3367964991412,1cyclictest0-21swapper/207:30:222
3367964991411,1cyclictest0-21swapper/212:40:012
3367964991411,1cyclictest0-21swapper/212:25:142
3367964991411,1cyclictest0-21swapper/210:50:142
3367964991411,1cyclictest0-21swapper/210:35:142
3367964991411,1cyclictest0-21swapper/210:25:222
3367964991411,1cyclictest0-21swapper/210:07:232
3367964991411,1cyclictest0-21swapper/210:00:222
3367964991411,1cyclictest0-21swapper/209:20:172
3367964991411,1cyclictest0-21swapper/209:05:012
3367964991411,1cyclictest0-21swapper/208:20:012
3367964991411,1cyclictest0-21swapper/208:05:122
3367964991411,1cyclictest0-21swapper/207:40:012
3367964991411,1cyclictest0-21swapper/207:25:222
336796399145,5cyclictest0-21swapper/108:05:101
3367963991411,2cyclictest3494055-21kthreadcore08:45:171
3367963991410,3cyclictest3411051-21kthreadcore07:40:171
3367963991410,1cyclictest601rcuop/308:15:521
3367963991410,1cyclictest601rcuop/308:00:211
3367962991411,2cyclictest3851702-21mta-sts-daemon08:00:170
3367962991411,2cyclictest3827634-1atopacctd08:10:180
3367962991411,2cyclictest3501190-21missed_timers08:50:190
3367962991411,2cyclictest3457645-21switchtime08:15:230
3367962991411,2cyclictest3408158-21latency_hist07:40:010
3367962991410,3cyclictest3715092-21kthreadcore11:15:170
3367962991410,3cyclictest3464229-21unixbench_singl08:20:250
2649091141,5phc2sys0-21swapper/307:40:103
2649091140,4phc2sys0-21swapper/309:17:003
2649091140,3phc2sys0-21swapper/310:53:263
2649091140,3phc2sys0-21swapper/310:45:263
2649091140,3phc2sys0-21swapper/310:03:273
2649091140,2phc2sys0-21swapper/309:47:283
2649091140,2phc2sys0-21swapper/307:25:243
3367964991310,1cyclictest0-21swapper/212:30:112
3367964991310,1cyclictest0-21swapper/212:20:162
3367964991310,1cyclictest0-21swapper/212:01:152
3367964991310,1cyclictest0-21swapper/210:41:432
3367964991310,1cyclictest0-21swapper/209:35:172
3367964991310,1cyclictest0-21swapper/209:25:222
3367964991310,1cyclictest0-21swapper/208:10:202
3367964991310,1cyclictest0-21swapper/207:20:142
2649091134,2phc2sys0-21swapper/312:10:013
2649091132,2phc2sys0-21swapper/308:55:013
2649091131,2phc2sys0-21swapper/308:40:223
2649091130,2phc2sys0-21swapper/311:10:333
2649091130,1phc2sys0-21swapper/308:15:053
3367964991210,1cyclictest0-21swapper/209:05:142
3367964991210,1cyclictest0-21swapper/208:50:182
3367964991210,1cyclictest0-21swapper/208:40:132
336796299126,4cyclictest1290-21dbus-daemon07:10:020
2649091120,2phc2sys0-21swapper/312:39:053
2649091120,2phc2sys0-21swapper/311:25:283
2649091120,2phc2sys0-21swapper/311:05:083
2649091120,2phc2sys0-21swapper/311:02:033
2649091120,2phc2sys0-21swapper/310:26:573
2649091120,2phc2sys0-21swapper/309:58:093
2649091120,2phc2sys0-21swapper/309:12:093
2649091120,2phc2sys0-21swapper/307:09:333
2649091120,1phc2sys0-21swapper/309:08:513
35661602110,2sleep30-21swapper/309:38:453
336796499118,1cyclictest0-21swapper/207:10:012
2649091113,2phc2sys0-21swapper/311:41:043
2649091112,2phc2sys0-21swapper/310:10:173
2649091111,2phc2sys0-21swapper/310:39:313
2649091110,2phc2sys0-21swapper/311:50:013
2649091110,2phc2sys0-21swapper/307:10:183
2649091110,1phc2sys0-21swapper/311:54:103
2649091110,1phc2sys0-21swapper/310:43:153
2649091110,1phc2sys0-21swapper/310:32:173
2649091110,1phc2sys0-21swapper/310:08:003
2649091110,1phc2sys0-21swapper/308:23:553
2649091110,1phc2sys0-21swapper/307:51:143
2649091110,1phc2sys0-21swapper/307:39:353
2649091110,1phc2sys0-21swapper/307:32:103
2649091102,2phc2sys0-21swapper/312:33:473
2649091102,1phc2sys0-21swapper/312:24:523
2649091101,3phc2sys0-21swapper/309:20:133
2649091101,2phc2sys0-21swapper/312:17:183
2649091101,2phc2sys0-21swapper/310:55:143
2649091101,2phc2sys0-21swapper/309:50:123
2649091101,2phc2sys0-21swapper/309:00:183
2649091100,3phc2sys0-21swapper/310:16:453
2649091100,2phc2sys0-21swapper/309:31:083
2649091100,2phc2sys0-21swapper/309:25:473
2649091100,2phc2sys0-21swapper/308:45:113
2649091100,2phc2sys0-21swapper/308:35:013
2649091100,2phc2sys0-21swapper/307:15:103
2649091100,1phc2sys0-21swapper/311:35:103
2649091100,1phc2sys0-21swapper/307:22:563
264909191,3phc2sys0-21swapper/308:00:103
264909191,2phc2sys0-21swapper/307:55:153
264909191,1phc2sys0-21swapper/308:10:013
264909190,2phc2sys0-21swapper/312:10:093
264909190,2phc2sys0-21swapper/308:10:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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