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2026-06-28 - 16:45
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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 Sun Jun 28, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
345918421050,2sleep30-21swapper/310:54:593
344192321050,2sleep13441909-21ssh10:44:551
35851752670,1sleep03585162-21ssh12:19:570
34441672460,2sleep30-21swapper/310:45:013
34537542320,3sleep30-21swapper/310:50:023
36033722310,1sleep20-21swapper/212:30:012
3155924993123,7cyclictest0-21swapper/008:50:010
3155924992818,9cyclictest3452910-21kthreadcore10:50:010
3155924992811,12cyclictest3509022-21acpi11:29:550
3155924992713,12cyclictest3368626-21kernelversion09:55:020
31893152260,2sleep20-21swapper/207:35:082
3155924992617,8cyclictest3581680-21grep12:15:020
315592499257,6cyclictest0-21swapper/011:24:550
315592499257,6cyclictest0-21swapper/011:14:550
315592499257,13cyclictest0-21swapper/008:15:010
3155926992421,1cyclictest0-21swapper/211:40:022
3155925992421,2cyclictest3347697-21kthreadcore09:40:031
3155924992422,1cyclictest3172601-21irqrtprio07:25:010
3155924992421,2cyclictest3345880-21munin-run09:40:000
315592499241,6cyclictest3208341-21sh07:54:560
3155924992414,9cyclictest3526979-21cron11:40:010
3155924992414,8cyclictest3311700-21kthreadcore09:15:030
315592499238,14cyclictest3549690-21grep11:55:010
3155924992320,2cyclictest3609177-21kthreadcore12:35:020
3155924992320,2cyclictest3252392-21grep08:30:010
3155924992314,8cyclictest3155543-21latency_hist07:10:030
3155924992314,7cyclictest3258023-21sh08:35:020
3155924992313,9cyclictest3434497-21aten2.4-expect10:39:550
3155924992313,9cyclictest3421617-21kthreadcore10:30:020
3155924992313,9cyclictest3382559-21fschecks_time10:04:570
3155924992313,8cyclictest3187635-21kthreadcore07:35:020
3155924992312,2cyclictest3271623-21kthreadcore08:45:020
3155924992312,10cyclictest3265044-21irqrtprio08:40:020
3155925992219,2cyclictest3187949-21kthreadcore07:35:021
3155925992214,3cyclictest0-21swapper/112:15:031
315592499229,2cyclictest0-21swapper/008:05:020
315592499228,6cyclictest3469151-21tr11:00:040
315592499223,6cyclictest3334769-21sh09:30:020
3155924992219,2cyclictest660-21dbus-daemon09:45:020
3155924992213,8cyclictest3519522-21kthreadcore11:35:010
3155924992213,8cyclictest3196647-21gltestperf07:44:580
3155924992213,8cyclictest274-21systemd-journal10:10:010
3155924992213,7cyclictest0-21swapper/009:25:010
3155924992212,9cyclictest3532639-21idleruntime-cro11:45:010
3155924992212,2cyclictest3163745-21kthreadcore07:15:030
3155924992212,2cyclictest3163745-21kthreadcore07:15:030
3155924992211,10cyclictest3358215-21runrttasks09:45:390
33189822210,2sleep03318888-21munin-run09:20:010
3155926992119,1cyclictest0-21swapper/211:25:022
3155926992119,1cyclictest0-21swapper/211:15:012
3155926992119,1cyclictest0-21swapper/209:25:022
3155926992119,1cyclictest0-21swapper/209:05:032
3155926992119,1cyclictest0-21swapper/209:05:032
3155926992118,1cyclictest0-21swapper/210:30:012
3155926992118,1cyclictest0-21swapper/210:15:032
3155926992118,1cyclictest0-21swapper/210:05:012
3155925992118,2cyclictest3550073-21systemd11:55:011
3155925992118,2cyclictest3473203-21kthreadcore11:05:011
3155925992118,2cyclictest3428430-21latency_hist10:35:021
315592499214,6cyclictest0-21swapper/012:21:210
3155924992118,2cyclictest3616019-21tr12:40:020
3155924992113,7cyclictest3424978-21switchtime10:30:080
3155924992112,8cyclictest3571146-21kthreadcore12:10:020
3155924992112,8cyclictest3376517-21kthreadcore10:00:020
3155924992112,8cyclictest3376517-21kthreadcore10:00:020
3155924992112,8cyclictest3162619-21if_err_enp1s0.807:15:020
3155924992111,2cyclictest3456900-21sort10:54:510
3155924992110,2cyclictest765-1atopacctd10:45:010
3155924992110,2cyclictest3335677-21grep09:30:070
3155926992018,1cyclictest0-21swapper/208:55:012
3155926992017,1cyclictest0-21swapper/211:10:022
3155926992017,1cyclictest0-21swapper/208:10:012
3155925992017,2cyclictest3571766-21kthreadcore12:10:021
3155925992017,2cyclictest3528851-21kthreadcore11:40:021
3155925992017,2cyclictest3252047-21if_err_enp1s008:30:011
3155925992017,2cyclictest3157150-21kthreadcore07:10:031
3155925992016,2cyclictest3280485-21latency_hist08:50:011
315592499209,2cyclictest3602563-21kthreadcore12:30:000
315592499207,4cyclictest3492931-21runrttasks11:16:300
315592499202,6cyclictest0-21swapper/011:59:580
315592499202,2cyclictest0-21swapper/011:46:040
3155924992017,2cyclictest3412913-21interrupts10:25:010
3155924992011,4cyclictest4922-21rtkit-daemon07:36:350
3155924992011,2cyclictest1246-21mta-sts-daemon10:12:320
3155924992011,1cyclictest3240272-21kthreadcore08:20:000
3155924992010,1cyclictest0-21swapper/008:25:020
315592499200,6cyclictest3195944-21/usr/sbin/munin07:45:040
3153791200,2phc2sys0-21swapper/311:28:043
3155926991917,1cyclictest0-21swapper/212:10:012
3155926991917,1cyclictest0-21swapper/209:45:022
3155926991917,1cyclictest0-21swapper/209:35:012
3155926991916,1cyclictest0-21swapper/209:55:012
3155926991916,1cyclictest0-21swapper/209:29:582
3155926991916,1cyclictest0-21swapper/207:50:012
3155926991916,1cyclictest0-21swapper/207:45:022
3155925991916,2cyclictest693-21systemd-logind07:55:031
3155925991916,2cyclictest3402225-21missed_timers10:15:051
3155925991916,2cyclictest3393266-21kthreadcore10:10:021
3155925991916,2cyclictest3384041-21grep10:05:011
3155925991916,2cyclictest3350196-21mailstats09:40:071
3155925991916,2cyclictest3264307-21sh08:40:011
3155925991915,3cyclictest3257510-21cpu08:35:011
3155925991913,2cyclictest492398rtkit-daemon09:48:501
315592499199,2cyclictest3302449-21kthreadcore09:10:020
315592499199,2cyclictest1-21systemd07:58:220
315592499198,4cyclictest3558333-21tr12:00:040
315592499194,3cyclictest3294074-21sshd09:01:210
315592499194,3cyclictest3294074-21sshd09:01:210
3155924991910,5cyclictest3466039-21kthreadcore11:00:010
3153791191,2phc2sys0-21swapper/309:30:043
3153791190,3phc2sys0-21swapper/308:39:563
3153791190,2phc2sys0-21swapper/311:36:413
3155926991816,1cyclictest0-21swapper/212:15:012
3155926991816,1cyclictest0-21swapper/207:30:022
3155926991815,1cyclictest0-21swapper/211:35:012
3155926991815,1cyclictest0-21swapper/208:20:012
3155926991815,1cyclictest0-21swapper/208:15:012
3155925991816,1cyclictest0-21swapper/108:55:021
3155925991815,2cyclictest3609547-21systemd-run12:35:031
3155925991815,2cyclictest3454204-21kthreadcore10:50:021
3155925991815,2cyclictest3437415-21kthreadcore10:40:021
3155925991815,2cyclictest3320312-21latency_hist09:20:031
3155925991815,2cyclictest3288963-21awk09:00:011
3155925991815,2cyclictest3222741-21kthreadcore08:05:011
3155925991815,2cyclictest0-21swapper/112:00:011
3155925991814,3cyclictest660-21dbus-daemon08:25:011
315592499188,9cyclictest0-21swapper/007:30:010
315592499187,6cyclictest0-21swapper/010:15:170
315592499187,3cyclictest17750irq/132-ahci[0000:00:17.0]08:55:020
32465312170,2sleep20-21swapper/208:25:012
3155926991715,1cyclictest0-21swapper/212:40:012
3155926991715,1cyclictest0-21swapper/212:00:022
3155926991715,1cyclictest0-21swapper/210:50:022
3155926991715,1cyclictest0-21swapper/210:10:032
3155926991715,1cyclictest0-21swapper/208:05:002
3155926991715,1cyclictest0-21swapper/208:00:012
3155926991714,1cyclictest0-21swapper/212:05:012
3155926991714,1cyclictest0-21swapper/211:05:012
3155926991714,1cyclictest0-21swapper/210:19:572
315592599177,3cyclictest3409572-21kworker/u16:3-rpciod11:31:341
3155925991714,2cyclictest765-1atopacctd07:40:031
3155925991714,2cyclictest3498989-21kthreadcore11:20:031
3155925991714,2cyclictest3490859-21kthreadcore11:15:021
3155925991714,2cyclictest3303029-21systemd-run09:10:021
3155925991714,2cyclictest3169301-21kthreadcore07:20:031
3155925991714,2cyclictest3169301-21kthreadcore07:20:031
3155925991714,2cyclictest1242-21mta-sts-daemon08:40:041
3155925991714,2cyclictest1-21systemd09:05:031
3155925991714,2cyclictest1-21systemd09:05:031
3155925991714,2cyclictest0-21swapper/110:15:011
3155925991714,2cyclictest0-21swapper/107:15:011
315592599170,3cyclictest3478509-21ssh11:07:431
3153791170,2phc2sys0-21swapper/311:09:003
3155926991614,1cyclictest0-21swapper/210:40:032
3155926991614,1cyclictest0-21swapper/209:10:012
3155926991614,1cyclictest0-21swapper/208:35:012
3155926991614,1cyclictest0-21swapper/207:55:012
3155926991614,1cyclictest0-21swapper/207:20:032
3155926991614,1cyclictest0-21swapper/207:20:032
3155926991613,1cyclictest0-21swapper/210:56:012
3155926991613,1cyclictest0-21swapper/209:20:002
3155926991613,1cyclictest0-21swapper/208:25:062
315592599168,3cyclictest0-21swapper/111:46:221
3155925991613,2cyclictest3614625-21gltestperf12:39:581
3155925991613,2cyclictest3602713-21kthreadcore12:30:001
3155925991613,2cyclictest3564701-21kthreadcore12:05:031
3155925991613,2cyclictest3510163-21apt-key11:30:021
3155925991613,2cyclictest3501610-21sh11:24:551
3155925991613,2cyclictest3421208-21kthreadcore10:30:011
3155925991613,2cyclictest3334566-21kthreadcore09:30:011
3155925991613,2cyclictest3309267-21kthreadcore09:15:021
3155925991613,2cyclictest3234786-21kthreadcore08:15:011
3155925991613,2cyclictest3173009-21kthreadcore07:25:021
3155925991613,2cyclictest1020-21runrttasks11:43:011
3155925991613,2cyclictest0-21swapper/108:10:001
3155925991613,2cyclictest0-21swapper/107:30:021
3155924991614,1cyclictest3289154-21latency_hist09:00:010
3153791160,2phc2sys0-21swapper/309:22:053
3153791160,1phc2sys0-21swapper/311:16:013
3153791160,1phc2sys0-21swapper/309:42:543
36091842150,2sleep20-21swapper/212:35:022
3155926991513,1cyclictest0-21swapper/212:24:592
3155926991513,1cyclictest0-21swapper/212:17:592
3155926991513,1cyclictest0-21swapper/211:50:032
3155926991513,1cyclictest0-21swapper/211:20:012
3155926991513,1cyclictest0-21swapper/210:50:042
3155926991513,1cyclictest0-21swapper/210:45:022
3155926991513,1cyclictest0-21swapper/210:00:002
3155926991513,1cyclictest0-21swapper/210:00:002
3155926991513,1cyclictest0-21swapper/209:50:012
3155926991513,1cyclictest0-21swapper/208:45:022
3155926991513,1cyclictest0-21swapper/207:35:032
3155926991513,1cyclictest0-21swapper/207:15:022
3155926991513,1cyclictest0-21swapper/207:10:022
3155926991512,2cyclictest0-21swapper/211:25:032
3155926991512,1cyclictest0-21swapper/211:41:272
3155926991512,1cyclictest0-21swapper/210:21:322
315592599157,3cyclictest0-21swapper/112:23:211
3155925991512,2cyclictest3413738-21kthreadcore10:25:031
3155925991512,2cyclictest3338795-21kthreadcore09:35:011
3155925991512,2cyclictest3241296-21kthreadcore08:20:011
3155925991512,2cyclictest0-21swapper/110:55:031
3155925991512,2cyclictest0-21swapper/108:00:011
3155925991511,3cyclictest3464964-21gltestperf10:59:581
3155925991511,3cyclictest3271706-21kworker/u16:1+nfsiod09:58:021
3155925991511,3cyclictest3271706-21kworker/u16:1+nfsiod09:58:021
3155925991511,3cyclictest3203361-21kernelversion07:50:001
3155925991511,3cyclictest3194639-21kthreadcore07:40:041
3155925991510,2cyclictest1247-21mta-sts-daemon09:24:091
3155924991512,2cyclictest3480755-21kernelversion11:10:010
3153791150,4phc2sys0-21swapper/311:48:483
3153791150,4phc2sys0-21swapper/308:29:563
3153791150,2phc2sys0-21swapper/311:59:263
3153791150,2phc2sys0-21swapper/311:34:043
3153791150,2phc2sys0-21swapper/309:38:573
3153791150,2phc2sys0-21swapper/309:19:273
3153791150,1phc2sys0-21swapper/310:31:113
3153791150,1phc2sys0-21swapper/309:12:243
31622922140,2sleep30-21swapper/307:15:013
3155926991412,1cyclictest0-21swapper/211:55:002
3155926991412,1cyclictest0-21swapper/209:14:582
3155926991411,2cyclictest0-21swapper/209:37:002
3155925991411,2cyclictest1247-21mta-sts-daemon12:18:311
3155925991411,2cyclictest1246-21mta-sts-daemon09:53:261
3155924991411,2cyclictest3225811-21threads08:05:070
3153791140,2phc2sys0-21swapper/312:14:213
3153791140,2phc2sys0-21swapper/309:27:533
3155926991311,1cyclictest0-21swapper/210:35:012
3155926991311,1cyclictest0-21swapper/209:00:002
3155926991311,1cyclictest0-21swapper/208:49:562
3155926991310,2cyclictest0-21swapper/207:24:592
3155926991310,1cyclictest0-21swapper/208:35:062
3153791131,5phc2sys0-21swapper/307:19:543
3153791131,5phc2sys0-21swapper/307:19:543
3153791131,2phc2sys0-21swapper/312:35:293
3153791131,2phc2sys0-21swapper/307:36:463
3153791130,3phc2sys0-21swapper/308:05:593
3153791130,2phc2sys0-21swapper/311:43:553
3153791130,2phc2sys0-21swapper/311:13:013
3153791130,2phc2sys0-21swapper/310:59:533
3153791130,2phc2sys0-21swapper/310:22:023
3153791130,2phc2sys0-21swapper/309:59:483
3153791130,2phc2sys0-21swapper/309:59:483
3153791130,2phc2sys0-21swapper/309:51:163
3153791130,2phc2sys0-21swapper/309:06:313
3153791130,2phc2sys0-21swapper/307:34:543
35604432120,2sleep30-21swapper/312:01:253
3153791121,3phc2sys0-21swapper/310:19:533
3153791121,2phc2sys0-21swapper/310:36:023
3153791121,2phc2sys0-21swapper/308:20:023
3153791120,2phc2sys0-21swapper/312:21:263
3153791120,2phc2sys0-21swapper/310:29:303
3153791120,2phc2sys0-21swapper/310:12:203
3153791120,1phc2sys0-21swapper/308:45:113
3153791110,2phc2sys0-21swapper/312:29:523
3153791110,2phc2sys0-21swapper/312:16:253
3153791110,2phc2sys0-21swapper/312:10:003
3153791110,2phc2sys0-21swapper/310:05:343
3153791110,2phc2sys0-21swapper/310:03:583
3153791110,1phc2sys0-21swapper/308:43:073
3153791110,1phc2sys0-21swapper/307:53:493
3153791101,2phc2sys0-21swapper/309:45:233
3153791101,2phc2sys0-21swapper/308:30:053
3153791101,2phc2sys0-21swapper/308:00:073
3153791101,2phc2sys0-21swapper/307:09:583
3153791101,1phc2sys0-21swapper/307:59:543
3153791100,3phc2sys0-21swapper/308:59:563
3153791100,2phc2sys0-21swapper/312:30:483
3153791100,2phc2sys0-21swapper/311:51:483
3153791100,2phc2sys0-21swapper/311:24:553
3153791100,2phc2sys0-21swapper/308:54:563
3153791100,2phc2sys0-21swapper/307:49:533
3153791100,2phc2sys0-21swapper/307:40:033
3469912290,2sleep30-21swapper/311:00:093
315379191,3phc2sys0-21swapper/307:25:033
315379191,2phc2sys0-21swapper/307:20:043
315379190,2phc2sys0-21swapper/309:04:563
315379190,2phc2sys0-21swapper/309:04:563
315379190,2phc2sys0-21swapper/308:20:063
315379190,2phc2sys0-21swapper/308:10:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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