You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-15 - 00:54
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 100 highest latencies:
System rackeslot6.osadl.org (updated Sun Dec 14, 2025 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1428461997565,7cyclictest1441445-21apt-get07:49:591
1428460997569,4cyclictest1433438-21kworker/u8:1+flush-179:007:25:010
1428461997163,6cyclictest1501460-21kworker/u8:3+flush-179:012:20:311
1428460996959,7cyclictest1512576-21latency_hist11:30:000
142846599670,65cyclictest0-21swapper/211:12:592
1428460996755,10cyclictest1494809-21apt-get10:35:000
1428461996560,3cyclictest1414379-21kworker/u8:0+flush-179:007:30:261
1428460996557,5cyclictest1462618-21kworker/u8:0+flush-179:009:15:000
1428466996462,1cyclictest0-21swapper/310:39:593
1428461996356,5cyclictest1447140-21kworker/u8:2+flush-179:008:50:001
1428460996354,6cyclictest1447140-21kworker/u8:2+events_unbound08:40:010
1428466996260,1cyclictest0-21swapper/312:18:003
1428461996254,6cyclictest1475369-21kworker/u8:3+flush-179:009:50:011
1428460996255,5cyclictest1414379-21kworker/u8:0+flush-179:007:25:310
1428460996158,2cyclictest0-21swapper/010:08:580
1428460996055,4cyclictest1447140-21kworker/u8:2+events_unbound08:10:260
1428460995947,9cyclictest1431595-21latency_hist07:20:000
1428461995849,7cyclictest266-21systemd-journal08:30:001
1428460995748,6cyclictest1484945-21latency_hist10:05:000
1428461995648,6cyclictest1503026-21latency_hist11:00:011
1428461995549,4cyclictest1500074-21kworker/u8:2+events_unbound10:55:001
1428461995549,4cyclictest1500074-21kworker/u8:2+events_unbound10:55:001
1428461995546,7cyclictest1483345-21latency_hist10:00:011
1428461995447,5cyclictest1523725-21latency_hist12:05:011
142846199541,2cyclictest714-21Xorg11:27:591
142846199540,38cyclictest714-21Xorg07:24:591
1428460995449,3cyclictest1475369-21kworker/u8:3+flush-179:009:45:260
1428461995342,8cyclictest1519484-21diskstats11:50:151
1428461995318,19cyclictest0-21swapper/110:15:221
1428461995243,7cyclictest1428670-21apt-get07:10:091
1428460995242,7cyclictest1520528-21latency_hist11:55:010
1428461995149,1cyclictest0-21swapper/111:50:001
1428460995142,7cyclictest1428368-21latency_hist07:10:020
1428466995047,2cyclictest431rcuc/307:39:553
1428461995025,17cyclictest714-21Xorg12:15:581
1428460995042,6cyclictest1435298-21apt-get07:30:120
1428460995042,5cyclictest1465885-21kworker/u8:3+events_unbound09:15:260
4577091480,14ptp4l441ktimers/307:10:013
1428461994840,6cyclictest1501460-21kworker/u8:3+flush-179:012:35:011
142846199480,46cyclictest0-21swapper/109:30:131
1428460994843,3cyclictest1501460-21kworker/u8:3+events_unbound12:15:250
1428461994737,8cyclictest1475637-21apt-get09:35:131
1428461994727,18cyclictest1493465-21apt-get10:30:121
1428460994742,4cyclictest1433438-21kworker/u8:1+flush-179:008:05:010
1428460994739,6cyclictest1472208-21latency_hist09:25:010
1428460994739,6cyclictest1414379-21kworker/u8:0+events_unbound08:00:020
1428460994737,8cyclictest1520765-21/usr/sbin/munin11:55:230
1428460994733,11cyclictest266-21systemd-journal12:03:310
1428461994639,5cyclictest1439848-21latency_hist07:45:001
142846199460,43cyclictest1441445-21apt-get07:50:021
1428460994639,5cyclictest1493194-21kworker/u8:3+events_unbound10:30:000
1428460994638,5cyclictest1518942-21latency_hist11:50:000
1428460994541,3cyclictest1433438-21kworker/u8:1+flush-179:007:40:180
1428460994538,5cyclictest1433438-21kworker/u8:1+flush-179:007:35:240
142846199440,2cyclictest714-21Xorg08:39:591
142846099441,40cyclictest1477245-21apt-get09:40:130
1428465994340,2cyclictest0-21swapper/210:48:592
142846199439,32cyclictest0-21swapper/109:25:161
1428461994326,15cyclictest714-21Xorg08:06:591
142846199430,5cyclictest714-21Xorg08:01:581
142846199430,2cyclictest714-21Xorg11:23:581
1428460994336,5cyclictest1530399-21kworker/u8:1+flush-179:012:30:210
1428460994336,5cyclictest1464505-21apt-get09:00:130
1428460994336,5cyclictest1454725-21kworker/u8:1+events_unbound08:55:260
1428460994334,6cyclictest1448095-21kworker/u8:3+flush-179:008:20:230
1428460994240,1cyclictest0-21swapper/008:29:550
1428460994238,3cyclictest1475369-21kworker/u8:3+flush-179:009:50:260
1428460994236,3cyclictest1509437-21kworker/u8:1+flush-179:011:20:160
1428460994235,5cyclictest1524267-21diskstats12:05:170
1428460994234,6cyclictest1501460-21kworker/u8:3+flush-179:012:20:010
1428460994234,6cyclictest1454725-21kworker/u8:1+flush-179:008:45:220
1428460994233,7cyclictest1462642-21latency_hist08:55:010
1428461994138,2cyclictest714-21Xorg12:38:591
1428461994138,2cyclictest714-21Xorg12:38:581
142846199410,3cyclictest1451251-21perf08:19:591
142846199410,39cyclictest1520540-21turbostat11:59:541
1428460994136,3cyclictest714-21Xorg11:13:590
1428460994131,7cyclictest1441433-21latency_hist07:50:000
1428466994034,5cyclictest1533543-21turbostat12:35:013
1428466994034,5cyclictest1507813-21turbostat11:15:013
1428466994034,5cyclictest1459480-21turbostat08:45:013
142846699400,4cyclictest1480168-21turbostat09:50:003
142846599400,1cyclictest0-21swapper/211:34:592
1428461994033,5cyclictest1447140-21kworker/u8:2+flush-179:008:50:191
1428461994021,17cyclictest1455537-21latency08:30:191
1428460994036,3cyclictest714-21Xorg10:40:590
142846599390,30cyclictest0-21swapper/209:19:592
1428461993924,13cyclictest0-21swapper/111:30:231
1428461993920,17cyclictest0-21swapper/109:55:001
142846199390,37cyclictest714-21Xorg08:11:591
142846199390,36cyclictest0-21swapper/110:25:591
142846199390,1cyclictest0-21swapper/107:29:541
1428460993935,2cyclictest714-21Xorg08:18:000
1428460993933,4cyclictest266-21systemd-journal07:53:300
142846699380,1cyclictest0-21swapper/309:01:593
1428465993835,2cyclictest0-21swapper/210:07:592
1428465993834,2cyclictest0-21swapper/207:26:592
142846599380,35cyclictest0-21swapper/208:25:002
1428461993832,4cyclictest1525309-21latency_hist12:10:021
1428461993831,5cyclictest1451799-21diskstats08:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional