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2025-08-27 - 15:05
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Wed Aug 27, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377516921010,2sleep30-21swapper/321:20:023
39329542430,2sleep30-21swapper/322:50:003
3613518992916,12cyclictest0-21swapper/021:30:000
361351899274,16cyclictest4019804-21taskset23:38:230
361351899271,20cyclictest3763706-21sh21:12:480
3613519992623,2cyclictest3809762-21cpuspeed_turbos21:40:021
361351899268,13cyclictest0-21swapper/021:55:020
361351899264,6cyclictest3826784-21/usr/sbin/munin21:50:010
361351899263,15cyclictest4000683-21sh23:26:120
361351899263,15cyclictest3844491-21sh21:59:460
361351899262,16cyclictest3949366-21sh22:58:460
361351899261,12cyclictest260-21systemd-journal22:20:020
361351899261,11cyclictest4113958-21awk00:30:080
3613518992610,11cyclictest0-21swapper/021:40:040
361351899258,11cyclictest0-21swapper/022:15:050
361351899253,15cyclictest3976095-21sh23:14:000
361351899253,12cyclictest4108811-21aten2.4-expect00:29:580
3613518992516,8cyclictest3733395-21irqrtprio20:50:020
3613518992515,9cyclictest4048101-21sh23:55:010
3613518992515,8cyclictest4092709-21kernelversion00:20:020
3613518992515,6cyclictest4034110-21kthreadcore23:45:090
361351899251,13cyclictest4123697-21ssh00:35:440
361351899251,13cyclictest3894432-21ssh22:25:160
3613518992510,10cyclictest0-21swapper/022:45:010
361351899250,14cyclictest3719790-21/usr/sbin/munin20:40:080
40046482240,2sleep20-21swapper/223:30:032
3613520992421,1cyclictest0-21swapper/200:00:002
3613519992416,1cyclictest176650irq/121-eno100:30:061
361351899248,14cyclictest0-21swapper/000:20:030
361351899246,13cyclictest0-21swapper/000:13:190
3613518992415,8cyclictest1706-21rs:main0
361351899241,14cyclictest1-21systemd20:15:020
361351899241,12cyclictest4010541-21ssh23:33:030
361351899241,12cyclictest3628316-21runrttasks19:24:390
361351899240,14cyclictest3861699-21ssh22:09:110
361351899240,14cyclictest3807882-21ssh21:37:530
361351899240,14cyclictest3658678-21taskset19:46:390
361351899240,14cyclictest3640463-21taskset19:34:410
361351899240,14cyclictest3621895-21taskset19:15:330
361351899240,11cyclictest3993715-21sh23:24:070
3613520992320,1cyclictest0-21swapper/220:30:002
3613520992313,1cyclictest0-21swapper/219:50:002
3613519992320,2cyclictest0-21swapper/122:40:021
361351899234,14cyclictest3695497-21taskset20:19:370
361351899234,13cyclictest2004-21runrttasks20:06:120
361351899233,10cyclictest3869114-21sh22:12:010
3613518992314,8cyclictest3783646-21fschecks_time21:25:020
361351899231,13cyclictest3983647-21ssh23:17:020
361351899231,12cyclictest3938465-21runrttasks22:50:380
361351899230,18cyclictest3965694-21ssh23:06:450
361351899230,18cyclictest3931698-21taskset22:48:540
361351899230,18cyclictest3912752-21taskset22:36:310
361351899230,18cyclictest3755994-21taskset21:06:420
361351899230,18cyclictest3737992-21seq20:54:230
361351899230,14cyclictest3771382-21taskset21:15:520
361351899230,13cyclictest4063220-21sh00:02:190
361351899230,13cyclictest4055149-21ssh23:58:400
361351899230,13cyclictest3902496-21seq22:30:090
361351899230,13cyclictest3799931-21runrttasks21:34:150
361351899230,13cyclictest3799931-21runrttasks21:34:150
361351899230,13cyclictest3707566-21taskset20:28:310
361351899230,13cyclictest3701607-21taskset20:24:470
361351899230,13cyclictest3664897-21runrttasks19:53:480
361351899230,13cyclictest3618454-21runrttasks19:12:250
361351899230,10cyclictest4026713-21ssh23:40:160
797898220,8rtkit-daemon1625-21avahi-daemon19:07:200
361351899224,9cyclictest3956144-21sh23:00:300
361351899221,14cyclictest3668950-21cut19:55:050
361351899220,17cyclictest3743871-21seq20:56:470
361351899220,17cyclictest3652632-21taskset19:41:460
361351899220,17cyclictest3646603-21taskset19:37:210
361351899220,13cyclictest3676938-21taskset20:02:380
361351899220,13cyclictest2004-21runrttasks20:35:450
361351899220,12cyclictest3853010-21sshd22:04:190
361351899220,12cyclictest2004-21runrttasks20:33:130
361351899220,12cyclictest2004-21runrttasks19:26:440
3613520992118,1cyclictest0-21swapper/220:35:022
3613520992118,1cyclictest0-21swapper/220:10:012
3613519992118,2cyclictest3827026-21aten_repower_fr21:50:011
3613519992118,2cyclictest3620325-21kthreadcore19:15:021
3613519992118,2cyclictest3614110-21ps19:10:021
361351899210,16cyclictest3749825-21taskset21:00:170
3613520992018,1cyclictest0-21swapper/223:55:032
3613520992017,1cyclictest0-21swapper/222:55:002
3613519992017,2cyclictest3665670-21/usr/sbin/munin19:55:011
3613519992017,2cyclictest1715-21systemd-logind22:10:001
3613519992014,5cyclictest3682700-21unixbench_multi20:05:111
3613520991917,1cyclictest0-21swapper/223:30:022
3613520991917,1cyclictest0-21swapper/220:40:012
3613520991917,1cyclictest0-21swapper/219:30:012
3613520991916,1cyclictest0-21swapper/221:20:012
3613520991916,1cyclictest0-21swapper/200:30:002
3613519991917,1cyclictest3800749-21aten2.4-expect21:35:011
3613519991917,1cyclictest3800749-21aten2.4-expect21:35:011
3613519991917,1cyclictest0-21swapper/121:10:011
3613519991916,2cyclictest3792621-21grep21:30:011
3613519991915,3cyclictest4066500-21kthreadcore00:05:041
3613519991914,4cyclictest1646-1atopacctd23:31:191
3613520991816,1cyclictest0-21swapper/222:40:022
3613520991815,1cyclictest0-21swapper/223:20:012
3613520991815,1cyclictest0-21swapper/223:10:012
3613520991815,1cyclictest0-21swapper/222:20:112
3613520991815,1cyclictest0-21swapper/222:05:012
3613520991815,1cyclictest0-21swapper/221:00:002
3613520991815,1cyclictest0-21swapper/200:20:002
3613519991816,1cyclictest0-21swapper/123:26:241
3613519991815,2cyclictest7546-21cron20:55:021
3613519991815,2cyclictest4093146-21kthreadcore00:20:031
3613519991815,2cyclictest3959819-21fschecks_time23:05:021
3613519991815,2cyclictest3942287-21if_err_eno122:55:011
3613519991815,2cyclictest3774984-21if_enp1s021:20:021
3613519991815,2cyclictest3739071-21if_err_enp1s020:55:011
3613519991815,2cyclictest3641445-21apt-config19:35:011
3613519991815,2cyclictest1666-21polkitd23:20:021
3613519991815,2cyclictest0-21swapper/121:15:011
3613519991815,2cyclictest0-21swapper/119:20:011
3613519991810,3cyclictest3765668-21kworker/u16:4+nfsiod21:54:431
3613519991810,3cyclictest0-21swapper/122:45:021
797898170,2rtkit-daemon0-21swapper/119:29:141
3613520991715,1cyclictest0-21swapper/223:45:022
3613520991714,1cyclictest0-21swapper/223:20:042
3613520991714,1cyclictest0-21swapper/221:45:012
3613520991714,1cyclictest0-21swapper/219:35:012
3613519991714,2cyclictest3629119-21idleruntime-cro19:25:011
3613519991714,2cyclictest1633-21dbus-daemon23:40:011
3613519991714,2cyclictest0-21swapper/123:15:011
3613519991714,2cyclictest0-21swapper/120:25:011
3613519991714,2cyclictest0-21swapper/100:15:011
3613519991714,1cyclictest3725916-21apt20:45:001
2555591170,3phc2sys0-21swapper/322:32:573
2555591170,2phc2sys0-21swapper/323:00:103
2555591170,2phc2sys0-21swapper/321:00:083
40734922160,2sleep30-21swapper/300:09:433
3613520991614,1cyclictest0-21swapper/223:40:012
3613520991614,1cyclictest0-21swapper/222:10:012
3613520991613,1cyclictest0-21swapper/223:00:052
3613520991613,1cyclictest0-21swapper/222:00:012
3613520991613,1cyclictest0-21swapper/221:50:022
3613520991613,1cyclictest0-21swapper/221:49:592
3613520991613,1cyclictest0-21swapper/220:20:002
3613520991613,1cyclictest0-21swapper/219:10:062
3613520991613,1cyclictest0-21swapper/200:00:092
3613519991613,2cyclictest3880233-21latency_hist22:20:011
3613519991613,2cyclictest3871491-21latency_hist22:15:001
3613519991613,2cyclictest1-21systemd22:05:011
3613519991612,3cyclictest3950430-21cut22:59:591
3613519991610,2cyclictest3756943-21diskmemload00:00:021
361351999160,10cyclictest1633-21dbus-daemon23:55:021
2555591161,3phc2sys0-21swapper/300:19:563
2555591161,2phc2sys0-21swapper/300:27:043
2555591160,4phc2sys0-21swapper/320:49:563
2555591160,3phc2sys0-21swapper/322:10:423
2555591160,2phc2sys0-21swapper/321:50:183
2555591160,2phc2sys0-21swapper/321:38:123
2555591160,2phc2sys0-21swapper/319:45:053
2555591160,2phc2sys0-21swapper/319:15:003
3613520991513,1cyclictest0-21swapper/222:35:022
3613520991513,1cyclictest0-21swapper/221:30:032
3613520991513,1cyclictest0-21swapper/220:05:012
3613520991512,1cyclictest0-21swapper/223:15:012
3613520991512,1cyclictest0-21swapper/222:55:052
3613520991512,1cyclictest0-21swapper/221:15:012
3613520991512,1cyclictest0-21swapper/220:25:002
3613520991512,1cyclictest0-21swapper/219:25:022
3613520991512,1cyclictest0-21swapper/200:15:012
3613520991512,1cyclictest0-21swapper/200:06:402
3613520991511,2cyclictest0-21swapper/200:30:072
3613519991513,1cyclictest3696381-21/usr/sbin/munin20:20:011
3613519991513,1cyclictest3613514-21cyclictest21:45:021
3613519991512,2cyclictest4039233-21gltestperf23:50:011
3613519991512,2cyclictest3900273-21kthreadcore22:30:071
3613519991512,2cyclictest3708858-21systemd-run20:30:011
3613519991512,2cyclictest3653609-21systemd-run19:45:011
3613519991511,3cyclictest3730951-21needreboot20:45:091
3613519991511,3cyclictest3613514-21cyclictest22:47:071
3613519991511,3cyclictest1646-1atopacctd00:00:041
3613519991511,3cyclictest1-21systemd20:31:191
3613519991510,1cyclictest41010501systemd-run00:25:021
361351999150,1cyclictest0-21swapper/122:29:591
2555591155,2phc2sys0-21swapper/319:25:073
2555591150,2phc2sys0-21swapper/323:37:103
361352099141,7cyclictest0-21swapper/222:17:422
3613520991412,1cyclictest0-21swapper/223:45:142
3613520991412,1cyclictest0-21swapper/221:30:032
3613520991412,1cyclictest0-21swapper/221:30:032
3613520991412,1cyclictest0-21swapper/221:25:022
3613520991412,1cyclictest0-21swapper/220:10:072
3613520991412,1cyclictest0-21swapper/219:20:012
3613520991412,1cyclictest0-21swapper/219:10:012
3613520991411,1cyclictest0-21swapper/220:45:112
361352099140,1cyclictest0-21swapper/200:23:452
361351999144,6cyclictest3619434-21munin-node23:05:321
361351999141,4cyclictest8024-21sendmail-mta21:56:211
3613519991412,1cyclictest3672439-21cut20:00:021
3613519991411,2cyclictest4118982-21irqrtprio00:35:031
3613519991411,2cyclictest4105480-21switchtime00:25:101
3613519991411,2cyclictest4029829-21sh23:45:021
3613519991411,2cyclictest3986166-21tr23:20:031
3613519991410,3cyclictest3775626-21kthreadcore21:20:041
361351999140,4cyclictest3889606-21cut22:25:021
361351999140,2cyclictest0-21swapper/120:13:271
2555591145,2phc2sys0-21swapper/300:00:033
2555591141,3phc2sys0-21swapper/322:02:403
2555591140,3phc2sys0-21swapper/321:29:013
2555591140,2phc2sys0-21swapper/323:21:573
2555591140,2phc2sys0-21swapper/300:11:323
2555591140,1phc2sys0-21swapper/300:30:143
3613520991311,1cyclictest0-21swapper/222:15:012
3613520991311,1cyclictest0-21swapper/221:40:012
3613520991311,1cyclictest0-21swapper/220:40:032
3613520991310,1cyclictest0-21swapper/222:45:072
3613520991310,1cyclictest0-21swapper/221:10:012
3613520991310,1cyclictest0-21swapper/220:50:042
361351999139,3cyclictest3747238-21kthreadcore21:00:051
361351999136,5cyclictest1761-21gdbus20:05:011
3613519991310,2cyclictest3715217-21grep20:35:071
3613519991310,2cyclictest3646243-21timerwakeupswit19:35:111
2555591132,2phc2sys0-21swapper/321:55:273
2555591130,5phc2sys0-21swapper/323:20:013
2555591130,3phc2sys0-21swapper/322:43:593
2555591130,3phc2sys0-21swapper/321:21:093
2555591130,2phc2sys0-21swapper/323:30:053
2555591130,2phc2sys0-21swapper/322:36:273
2555591130,2phc2sys0-21swapper/322:29:253
361352099129,2cyclictest0-21swapper/219:56:212
361352099129,1cyclictest0-21swapper/219:45:002
361352099129,1cyclictest0-21swapper/219:36:502
361352099129,1cyclictest0-21swapper/200:35:042
361352099121,7cyclictest3665023-21taskset19:54:582
3613520991210,1cyclictest0-21swapper/222:40:082
3613520991210,1cyclictest0-21swapper/222:25:042
361351999129,2cyclictest3658308-21timerandwakeup19:45:111
2555591123,2phc2sys0-21swapper/300:37:263
2555591121,3phc2sys0-21swapper/322:05:053
2555591120,2phc2sys0-21swapper/323:44:203
2555591120,2phc2sys0-21swapper/323:29:213
2555591120,2phc2sys0-21swapper/321:46:293
2555591120,2phc2sys0-21swapper/321:31:343
2555591120,2phc2sys0-21swapper/321:31:343
2555591120,2phc2sys0-21swapper/321:05:053
2555591120,1phc2sys0-21swapper/323:11:213
361352099119,1cyclictest0-21swapper/221:00:052
2555591112,2phc2sys0-21swapper/320:30:023
2555591110,3phc2sys0-21swapper/319:20:023
2555591110,2phc2sys0-21swapper/323:51:023
2555591110,2phc2sys0-21swapper/323:06:323
2555591110,2phc2sys0-21swapper/322:59:113
2555591110,2phc2sys0-21swapper/322:54:553
2555591110,2phc2sys0-21swapper/320:39:553
2555591110,2phc2sys0-21swapper/320:29:553
2555591110,2phc2sys0-21swapper/320:19:563
2555591110,1phc2sys0-21swapper/320:14:233
2555591110,1phc2sys0-21swapper/319:56:443
2555591101,3phc2sys0-21swapper/319:24:223
2555591101,2phc2sys0-21swapper/319:05:033
2555591101,2phc2sys0-21swapper/300:22:443
2555591101,1phc2sys0-21swapper/320:45:013
2555591100,4phc2sys0-21swapper/320:24:563
2555591100,2phc2sys0-21swapper/322:21:203
2555591100,2phc2sys0-21swapper/322:17:353
2555591100,2phc2sys0-21swapper/321:40:083
2555591100,2phc2sys0-21swapper/320:00:033
2555591100,2phc2sys0-21swapper/319:44:583
2555591100,2phc2sys0-21swapper/319:35:003
255559191,2phc2sys0-21swapper/323:45:493
255559191,2phc2sys0-21swapper/321:10:553
255559191,2phc2sys0-21swapper/319:50:033
255559190,2phc2sys0-21swapper/320:55:033
255559190,2phc2sys0-21swapper/320:50:063
255559190,2phc2sys0-21swapper/320:09:593
255559190,2phc2sys0-21swapper/319:35:043
255559190,2phc2sys0-21swapper/300:00:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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