You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-08 - 17:28
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot6.osadl.org (updated Wed Apr 08, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41247509910291,8cyclictest4140861-21latency_hist08:00:010
4124752999788,6cyclictest4169799-21latency_hist09:30:011
4124750999386,5cyclictest4190736-21latency_hist10:35:010
4124750999381,10cyclictest266-21systemd-journal12:00:000
4124752998981,5cyclictest6107-21kworker/u8:1+flush-179:011:15:221
4124752998563,19cyclictest4170056-21apt-get09:30:101
4124752998445,29cyclictest4152237-21latency_hist08:35:001
4124752998445,29cyclictest4152237-21latency_hist08:35:001
4124750998478,4cyclictest4145860-21kworker/u8:1+flush-179:008:35:210
4124750998374,6cyclictest4193929-21latency_hist10:45:010
4124752998173,6cyclictest4177782-21kworker/u8:3+flush-179:010:05:011
4124752998169,9cyclictest266-21systemd-journal11:35:001
4124752997766,7cyclictest4182819-21kworker/u8:1+flush-179:010:20:001
4124752997665,9cyclictest4183022-21/usr/sbin/munin10:10:231
4124752997566,7cyclictest266-21systemd-journal10:25:001
4124750997567,6cyclictest4127831-21latency_hist07:20:020
4124752997465,7cyclictest4174579-21latency_hist09:45:011
4124752997263,6cyclictest4189149-21latency_hist10:30:021
4124750997061,6cyclictest19633-21latency_hist11:45:010
4124750996963,5cyclictest4158633-21kworker/u8:0+flush-179:010:00:190
4124752996858,8cyclictest4157305-21/usr/sbin/munin08:50:221
4124752996757,8cyclictest4158891-21/usr/sbin/munin08:55:221
4124750996762,3cyclictest4144541-21apt-get08:10:110
4124750996761,4cyclictest4158633-21kworker/u8:0+events_unbound09:45:250
4124750996761,4cyclictest4145860-21kworker/u8:1+flush-179:009:00:220
4124750996760,5cyclictest4131059-21kworker/u8:3+flush-179:007:40:010
4124752996659,5cyclictest8483-21apt-get11:10:101
4124752996659,4cyclictest4133389-21kworker/u8:0+events_unbound07:45:241
4124752996657,6cyclictest3198-21apt-get10:55:011
4124750996662,3cyclictest26045-21kworker/u8:1+flush-179:012:20:020
4124750996656,7cyclictest4137947-21diskstats07:50:140
4124750996458,4cyclictest4163479-21kworker/u8:3+flush-179:009:25:010
4124757996359,2cyclictest0-21swapper/311:14:593
4124752996351,10cyclictest23059-21apt-get11:55:111
4124750996358,3cyclictest4131059-21kworker/u8:3+flush-179:007:40:180
4124750996358,3cyclictest4131059-21kworker/u8:3+flush-179:007:40:180
4124750996357,4cyclictest4177782-21kworker/u8:3+flush-179:010:10:200
4124750996357,4cyclictest27838-21apt-get12:10:100
4124752996150,8cyclictest266-21systemd-journal09:05:001
4124752996050,7cyclictest15093-21kworker/u8:0+flush-179:011:35:221
4124750996053,5cyclictest4182819-21kworker/u8:1+events_unbound10:35:250
4124750995954,3cyclictest6107-21kworker/u8:1+flush-179:011:15:200
4124750995953,5cyclictest4158633-21kworker/u8:0+flush-179:009:25:160
4124750995952,5cyclictest4131269-21apt-get07:30:110
4124752995849,7cyclictest4123158-21kworker/u8:0+flush-179:007:20:001
4124752995848,8cyclictest4147719-21/usr/sbin/munin08:20:221
4124750995851,5cyclictest4149322-21apt-get08:25:120
4124750995851,5cyclictest4133389-21kworker/u8:0+flush-179:007:45:210
4124750995850,6cyclictest4171623-21/usr/sbin/munin09:35:240
4124750995850,6cyclictest13505-21kworker/u8:2+flush-179:011:50:200
4124752995749,6cyclictest4145872-21latency_hist08:15:001
4124752995748,7cyclictest4150652-21latency_hist08:30:011
412475299570,55cyclictest714-21Xorg10:59:581
4124750995747,8cyclictest26256-21apt-get12:05:110
4124750995746,7cyclictest4133389-21kworker/u8:0+flush-179:008:15:150
4124752995649,5cyclictest4145860-21kworker/u8:1+events_unbound09:10:001
4124752995648,6cyclictest4142701-21latency_hist08:05:011
4124752995645,8cyclictest266-21systemd-journal09:50:271
4124750995652,3cyclictest13505-21kworker/u8:2+flush-179:011:48:360
4124750995651,4cyclictest4145860-21kworker/u8:1+flush-179:008:40:200
4124750995650,5cyclictest4192580-21kworker/u8:0+flush-179:010:52:280
4124750995649,5cyclictest4186013-21kworker/u8:2+flush-179:010:25:270
4124750995551,3cyclictest4171622-21kworker/u8:2+flush-179:010:05:160
4124750995545,6cyclictest24784-21kworker/u8:0+flush-179:012:25:150
4124750995449,4cyclictest6107-21kworker/u8:1+flush-179:011:12:280
4124750995448,5cyclictest22837-21kworker/u8:3+flush-179:012:02:290
4124750995448,4cyclictest4145860-21kworker/u8:1+events_unbound08:25:020
4124750995447,5cyclictest9849-21kworker/u8:3+events_unbound11:20:220
4124750995446,6cyclictest4133389-21kworker/u8:0+flush-179:008:05:000
4124750995444,7cyclictest4177746-21latency_hist09:55:010
4124750995347,4cyclictest4194165-21kworker/u8:3+flush-179:010:55:150
4124750995345,6cyclictest4133389-21kworker/u8:0+events_unbound08:10:010
4124752995243,6cyclictest266-21systemd-journal09:13:271
4124750995246,4cyclictest4160863-21kworker/u8:2+flush-179:009:05:160
4124750995242,6cyclictest4118591-21kworker/u8:1+flush-179:007:10:200
4124752995142,7cyclictest4130995-21kworker/u8:2+flush-179:007:35:011
4124750995145,4cyclictest4158633-21kworker/u8:0+flush-179:008:57:280
4124750995145,4cyclictest4155406-21kworker/u8:2+flush-179:008:45:210
4124752995044,4cyclictest34466-21apt-get12:30:111
4124752995039,8cyclictest4158633-21kworker/u8:0+flush-179:009:20:211
4124752995035,5cyclictest4140857-21perf08:00:001
4124750995042,5cyclictest4194165-21kworker/u8:3+flush-179:011:00:200
4124752994943,4cyclictest4133389-21kworker/u8:0+flush-179:007:35:201
4124752994941,6cyclictest32365-21latency_hist12:25:001
4124750994944,4cyclictest4163479-21kworker/u8:3+flush-179:009:42:280
4124750994943,5cyclictest4158633-21kworker/u8:0+flush-179:009:30:270
4577091480,13ptp4l441ktimers/307:10:003
4124752994826,8cyclictest266-21systemd-journal12:40:001
4124750994842,4cyclictest1570-21latency_hist10:50:010
4124750994841,5cyclictest9849-21kworker/u8:3+events_unbound11:30:010
4124752994739,6cyclictest9849-21kworker/u8:3+events_unbound11:40:241
4124750994744,2cyclictest211irq_work/008:55:000
4124757994639,5cyclictest4184382-21turbostat10:14:593
4124752994641,4cyclictest13505-21kworker/u8:2+events_unbound11:50:231
4124752994640,5cyclictest4171622-21kworker/u8:2+flush-179:009:57:281
4124752994639,5cyclictest4182819-21kworker/u8:1+flush-179:010:30:201
4124752994637,6cyclictest4186013-21kworker/u8:2+flush-179:010:44:591
4124750994641,4cyclictest4158633-21kworker/u8:0+flush-179:009:17:280
4124750994641,4cyclictest4158633-21kworker/u8:0+flush-179:009:17:280
4124750994640,5cyclictest4133389-21kworker/u8:0+flush-179:008:30:250
4124750994640,5cyclictest4133389-21kworker/u8:0+flush-179:008:30:250
4124750994640,4cyclictest26045-21kworker/u8:1+events_unbound12:20:170
4124750994639,4cyclictest4158633-21kworker/u8:0+flush-179:010:15:100
4124752994536,7cyclictest266-21systemd-journal08:39:271
4124752994530,3cyclictest281ktimers/107:40:131
4124752994530,3cyclictest281ktimers/107:40:121
4124752994441,2cyclictest0-21swapper/107:15:001
4124752994439,4cyclictest4133389-21kworker/u8:0+flush-179:008:05:151
4124752994437,5cyclictest4147468-21latency_hist08:20:021
4124752994435,7cyclictest32878-21apt-get12:25:121
4124752994433,8cyclictest266-21systemd-journal11:25:021
4124752994337,4cyclictest4128592-21kworker/u8:2+flush-179:007:20:191
4124752994336,5cyclictest4155406-21kworker/u8:2+events_unbound08:45:241
4577091420,6ptp4l431rcuc/308:15:003
412475799410,5cyclictest4190747-21turbostat10:35:003
412475799410,39cyclictest4179352-21turbostat10:00:013
4124754994137,2cyclictest0-21swapper/207:39:552
4124752994136,3cyclictest8245-21perf11:10:011
4124752994136,3cyclictest714-21Xorg12:08:581
4124752994134,5cyclictest13010-21latency_hist11:25:011
412475299410,39cyclictest4165032-21turbostat09:19:551
412475299410,39cyclictest4165032-21turbostat09:19:551
4124754994037,2cyclictest0-21swapper/212:33:592
4124752994023,15cyclictest4138993-21latency_hist07:55:011
4124750994037,2cyclictest211irq_work/011:09:590
4124750994035,4cyclictest4179392-21systemd-run10:00:010
4124750994033,5cyclictest15093-21kworker/u8:0+flush-179:011:35:200
4124757993934,4cyclictest4172992-21turbostat09:40:013
4124757993932,6cyclictest4139006-21turbostat07:55:003
4124754993935,2cyclictest0-21swapper/209:45:592
4124752993934,4cyclictest22837-21kworker/u8:3+flush-179:012:00:211
4124752993930,8cyclictest4174834-21apt-get09:45:111
412475299390,2cyclictest714-21Xorg10:09:591
4124750993933,5cyclictest1-21systemd09:15:010
412475799380,35cyclictest0-21swapper/311:25:593
412475499380,36cyclictest0-21swapper/211:37:592
4124752993835,2cyclictest0-21swapper/108:42:591
4124752993831,5cyclictest4194167-21/usr/sbin/munin10:45:161
4124750993824,10cyclictest4129680-21apt-get07:25:120
4124757993735,1cyclictest0-21swapper/308:35:593
4124757993734,2cyclictest0-21swapper/309:33:593
4124757993733,2cyclictest0-21swapper/310:48:583
4124757993732,4cyclictest4180946-21turbostat10:05:013
4124754993734,2cyclictest0-21swapper/211:17:002
4124754993734,2cyclictest0-21swapper/210:06:592
412475299370,36cyclictest0-21swapper/111:05:001
4124757993634,1cyclictest0-21swapper/308:52:003
412475799360,35cyclictest0-21swapper/312:29:543
412475799360,35cyclictest0-21swapper/309:21:593
412475799360,1cyclictest0-21swapper/307:22:003
4124754993633,2cyclictest0-21swapper/212:03:592
412475499360,1cyclictest0-21swapper/211:44:542
4124752993632,3cyclictest4192319-21cron10:40:001
4124752993617,17cyclictest24784-21kworker/u8:0+flush-179:012:10:161
4124750993633,2cyclictest714-21Xorg10:22:000
4124757993533,1cyclictest0-21swapper/307:32:583
4124757993530,4cyclictest22814-21turbostat11:55:003
412475799350,1cyclictest0-21swapper/311:04:543
412475799350,1cyclictest0-21swapper/307:12:593
4124754993532,2cyclictest0-21swapper/211:58:592
4124754993532,2cyclictest0-21swapper/211:34:002
4124754993532,2cyclictest0-21swapper/207:33:582
4124752993529,4cyclictest21421-21latency_hist11:50:011
4124750993529,4cyclictest37409-21awk12:40:010
4577091340,5ptp4l61490irq/134-eno1-TxRx-010:55:013
4124757993432,1cyclictest0-21swapper/311:09:553
4124757993432,1cyclictest0-21swapper/308:21:003
4124757993432,1cyclictest0-21swapper/308:18:593
4124757993427,5cyclictest4127850-21turbostat07:20:013
4124754993431,2cyclictest0-21swapper/211:54:562
4124752993430,2cyclictest4129452-21perf07:29:551
4124752993427,5cyclictest4171622-21kworker/u8:2+flush-179:009:35:171
4124750993427,4cyclictest0-21swapper/011:35:000
4124757993330,2cyclictest0-21swapper/308:04:593
4124757993230,1cyclictest0-21swapper/312:21:583
4124757993230,1cyclictest0-21swapper/309:55:003
4124757993227,4cyclictest4160251-21turbostat09:00:013
4124754993229,2cyclictest0-21swapper/210:39:552
412475499320,29cyclictest0-21swapper/212:22:592
4124752993126,3cyclictest0-21swapper/112:20:011
4124750993128,2cyclictest26045-21kworker/u8:1+events_unbound12:30:240
4577091300,7ptp4l61490irq/134-eno1-TxRx-009:15:013
4577091300,7ptp4l441ktimers/311:50:013
4124757993025,4cyclictest4185964-21turbostat10:20:003
4124757993025,4cyclictest4135830-21turbostat07:45:003
4124757993025,4cyclictest4135830-21turbostat07:45:003
4124754993028,1cyclictest0-21swapper/209:19:592
4124754993028,1cyclictest0-21swapper/209:19:592
4124754993027,2cyclictest0-21swapper/212:39:582
4124754993027,2cyclictest0-21swapper/211:03:002
4124754993027,2cyclictest0-21swapper/210:55:012
4124754993027,2cyclictest0-21swapper/209:30:122
4124754993027,2cyclictest0-21swapper/209:01:592
4124754993027,2cyclictest0-21swapper/208:32:592
4124754993027,2cyclictest0-21swapper/208:32:592
4124754993027,2cyclictest0-21swapper/207:55:112
4124754993027,2cyclictest0-21swapper/207:10:122
4124750993026,3cyclictest4128592-21kworker/u8:2+flush-179:007:22:280
4577091290,6ptp4l441ktimers/310:45:013
4577091290,6ptp4l441ktimers/309:20:013
4577091290,6ptp4l441ktimers/309:20:013
4124757992927,1cyclictest0-21swapper/311:25:003
4124757992927,1cyclictest0-21swapper/309:49:553
4124757992924,4cyclictest4182795-21turbostat10:10:003
4124757992923,4cyclictest4163453-21turbostat09:10:003
412475799290,27cyclictest0-21swapper/310:55:033
412475799290,27cyclictest0-21swapper/308:30:123
412475799290,27cyclictest0-21swapper/308:30:123
412475799290,1cyclictest0-21swapper/308:25:143
4124754992927,1cyclictest0-21swapper/210:20:142
4124754992926,2cyclictest0-21swapper/209:51:592
4124754992926,2cyclictest0-21swapper/208:08:592
412475499290,27cyclictest0-21swapper/211:25:022
412475499290,27cyclictest0-21swapper/209:40:122
412475499290,27cyclictest0-21swapper/208:45:122
412475499290,27cyclictest0-21swapper/208:20:122
412475499290,27cyclictest0-21swapper/207:50:112
412475499290,27cyclictest0-21swapper/207:28:002
412475499290,27cyclictest0-21swapper/207:20:112
412475499290,1cyclictest0-21swapper/211:05:112
4577091280,7ptp4l441ktimers/307:50:013
4577091280,6ptp4l61490irq/134-eno1-TxRx-012:04:563
4577091280,6ptp4l61490irq/134-eno1-TxRx-011:45:013
4577091280,5ptp4l61490irq/134-eno1-TxRx-011:40:003
4577091280,5ptp4l441ktimers/312:34:563
4124757992826,1cyclictest0-21swapper/309:25:123
4124757992826,1cyclictest0-21swapper/307:55:593
412475799280,26cyclictest0-21swapper/311:55:113
412475799280,26cyclictest0-21swapper/310:25:133
412475799280,26cyclictest0-21swapper/307:35:113
4124754992825,2cyclictest0-21swapper/212:17:592
4124754992825,2cyclictest0-21swapper/212:10:122
4124754992825,2cyclictest0-21swapper/210:13:592
4124754992825,2cyclictest0-21swapper/208:40:592
412475499280,2cyclictest0-21swapper/209:35:142
412475499280,27cyclictest0-21swapper/207:45:122
4577091270,6ptp4l61490irq/134-eno1-TxRx-012:10:003
4577091270,5ptp4l61490irq/134-eno1-TxRx-009:04:563
4577091270,5ptp4l441ktimers/312:14:553
4577091270,5ptp4l441ktimers/311:34:563
4577091270,4ptp4l61490irq/134-eno1-TxRx-010:25:013
4577091270,4ptp4l441ktimers/308:45:013
4124757992725,1cyclictest0-21swapper/312:15:123
412475799270,26cyclictest0-21swapper/312:35:133
412475799270,1cyclictest0-21swapper/308:05:133
4124754992725,1cyclictest0-21swapper/210:04:582
4124754992724,2cyclictest0-21swapper/208:15:582
412475499270,26cyclictest0-21swapper/209:05:592
412475499270,24cyclictest0-21swapper/209:27:582
4577091260,6ptp4l61490irq/134-eno1-TxRx-009:45:003
412475799260,1cyclictest0-21swapper/308:44:593
412475499260,24cyclictest0-21swapper/210:45:592
412475499260,24cyclictest0-21swapper/210:32:592
412475499260,24cyclictest0-21swapper/209:20:592
412475499260,24cyclictest0-21swapper/208:36:592
412475499260,24cyclictest0-21swapper/208:29:562
4577091250,5ptp4l61490irq/134-eno1-TxRx-011:19:553
4124754992523,1cyclictest0-21swapper/210:55:022
4124754992523,1cyclictest0-21swapper/210:19:582
4124754992523,1cyclictest0-21swapper/209:58:592
4124754992522,2cyclictest0-21swapper/212:06:592
4124754992522,2cyclictest0-21swapper/207:41:002
4124754992522,2cyclictest0-21swapper/207:40:592
412475499250,2cyclictest0-21swapper/208:58:592
4577091240,4ptp4l61490irq/134-eno1-TxRx-007:29:553
4124757992422,1cyclictest0-21swapper/310:37:003
4124754992421,2cyclictest0-21swapper/210:42:592
4124754992421,2cyclictest0-21swapper/210:26:592
4124754992321,1cyclictest0-21swapper/211:50:002
412475499220,2cyclictest0-21swapper/208:12:002
4124754992018,1cyclictest0-21swapper/209:15:002
412475299180,16cyclictest4124619-21latency_hist07:10:011
4124754991715,1cyclictest0-21swapper/211:10:592
4124754991714,2cyclictest0-21swapper/212:25:022
4124754991613,2cyclictest0-21swapper/211:20:592
4124754991613,2cyclictest0-21swapper/208:00:122
412475099148,5cyclictest4124790-21cat07:10:010
412475499129,2cyclictest0-21swapper/208:50:122
41247549963,2cyclictest0-21swapper/207:15:042
41247549940,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional