You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-30 - 18:54

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #5, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  Intel
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4s.osadl.org (updated Tue Jun 30, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110495721980,2sleep3481ktimers/311:05:213
93400321840,2sleep375-21kworker/3:1-events08:15:173
866600996056,3cyclictest861527-21kworker/u8:0+events_unbound07:20:301
866600995952,5cyclictest861527-21kworker/u8:0+events_unbound07:30:281
866600995952,5cyclictest1097665-21latency_hist11:00:011
866598995948,8cyclictest1017879-21latency_hist09:40:010
866598995948,8cyclictest1017879-21latency_hist09:40:000
866600995752,4cyclictest861527-21kworker/u8:0+events_unbound07:25:311
866600995751,4cyclictest1177887-21kworker/u8:3+events_unbound12:25:281
866598995743,10cyclictest1062503-21apt-get10:25:010
866600995650,5cyclictest1012799-21kworker/u8:3+flush-8:009:55:261
866598995650,4cyclictest1012799-21kworker/u8:3+flush-8:009:45:310
866600995548,5cyclictest952337-21kworker/u8:2+flush-8:008:40:251
866600995448,4cyclictest973073-21kworker/u8:3+flush-8:009:10:281
866600995448,4cyclictest1110386-21kworker/u8:1+events_unbound12:35:311
866600995447,5cyclictest1057537-21kworker/u8:0+events_unbound10:40:241
866600995347,3cyclictest992458-21kworker/u8:1+events_unbound10:20:311
866600995346,5cyclictest1110386-21kworker/u8:1+events_unbound11:10:281
866598995343,8cyclictest1081666-21ntpq10:40:230
866600995248,3cyclictest861527-21kworker/u8:0+events_unbound07:15:301
866600995248,3cyclictest1057537-21kworker/u8:0+events_unbound11:25:301
866600995245,5cyclictest992458-21kworker/u8:1+flush-8:009:35:261
866600995245,5cyclictest992458-21kworker/u8:1+flush-8:009:35:251
866600995245,5cyclictest873512-21kworker/u8:3+events_unbound08:30:271
866600995243,6cyclictest1121522-21ntpq11:20:231
866600995147,3cyclictest952337-21kworker/u8:2+events_unbound08:55:291
866600995147,3cyclictest873512-21kworker/u8:3+events_unbound07:55:161
866600995144,5cyclictest1167847-21kworker/u8:0+events_unbound12:30:281
866600995144,5cyclictest1101918-21kworker/u8:3+events_unbound11:05:271
866600995143,6cyclictest907799-21kworker/u8:0+flush-8:009:20:261
866600995143,6cyclictest907799-21kworker/u8:0+flush-8:009:20:261
866600995043,5cyclictest992458-21kworker/u8:1+events_unbound10:10:241
866600995042,6cyclictest1044834-21kworker/u8:2+events_unbound10:50:281
866600994945,3cyclictest992458-21kworker/u8:1+events_unbound09:30:231
866600994933,11cyclictest1704890-21systemd-journal09:41:011
866600994843,3cyclictest1116594-21ntpq11:15:251
866600994842,5cyclictest1081734-21kworker/u8:1+events_unbound10:45:261
866600994837,9cyclictest947098-21ntpq08:25:251
866600994837,8cyclictest870617-21ntpq07:10:281
866600994741,5cyclictest952337-21kworker/u8:2+events_unbound08:35:281
866600994741,4cyclictest907799-21kworker/u8:0+flush-8:008:50:241
866600994741,4cyclictest1081734-21kworker/u8:1+events_unbound11:00:271
866600994639,5cyclictest1044834-21kworker/u8:2+events_unbound10:25:281
866600994540,4cyclictest1110386-21kworker/u8:1+events_unbound11:35:311
866600994538,5cyclictest1062961-21kworker/u8:3+events_unbound10:35:271
866600994537,6cyclictest1161102-21ntpq12:00:261
866600994438,5cyclictest873512-21kworker/u8:3+events_unbound08:00:271
866600994438,4cyclictest1162250-21kworker/u8:2+flush-8:012:15:311
866598994435,6cyclictest1037641-21latency_hist10:00:020
866600994338,4cyclictest1101918-21kworker/u8:3+flush-8:012:05:151
866600994333,8cyclictest912223-21ntpq07:50:251
866598994334,6cyclictest1704890-21systemd-journal07:30:010
866598994330,10cyclictest1704890-21systemd-journal08:54:590
866600994238,3cyclictest907799-21kworker/u8:0+events_unbound10:00:331
866600994235,5cyclictest1146850-21kworker/u8:0+events_unbound11:50:271
866598994231,8cyclictest1704890-21systemd-journal09:05:000
866600994135,5cyclictest1012799-21kworker/u8:3+flush-8:009:50:261
866600994133,6cyclictest936913-21ntpq08:15:231
866598994130,7cyclictest1704890-21systemd-journal10:25:030
866605994033,5cyclictest861527-21kworker/u8:0+flush-8:007:25:262
866600994036,3cyclictest1137912-21kworker/u8:2+flush-8:011:45:331
866600994035,4cyclictest1167847-21kworker/u8:0+events_unbound12:20:131
866600993935,3cyclictest952337-21kworker/u8:2+events_unbound08:45:301
866600993933,5cyclictest873512-21kworker/u8:3+events_unbound07:35:141
866600993933,5cyclictest873512-21kworker/u8:3+events_unbound07:35:141
866598993930,6cyclictest928004-21latency_hist08:10:010
866598993929,8cyclictest1042848-21/usr/sbin/munin10:05:220
866598993929,7cyclictest1704890-21systemd-journal08:30:000
866600993833,4cyclictest1012799-21kworker/u8:3+events_unbound09:45:171
866600993831,5cyclictest873512-21kworker/u8:3+events_unbound08:20:261
866598993831,5cyclictest1166026-21ntpq12:05:230
866598993830,6cyclictest1704890-21systemd-journal11:34:590
866605993712,14cyclictest0-21swapper/211:40:132
866600993733,3cyclictest873512-21kworker/u8:3+events_unbound08:10:361
866600993725,9cyclictest1704890-21systemd-journal09:10:001
866605993620,13cyclictest1023353-21tr09:45:152
866600993631,4cyclictest1110386-21kworker/u8:1+flush-8:011:55:261
866600993625,9cyclictest1131478-21ntpq11:30:281
866598993627,7cyclictest907201-21ntpq07:45:240
866605993519,14cyclictest898855-21fschecks_time07:40:172
866605993515,4cyclictest927618-21grep08:05:342
866600993531,3cyclictest1012799-21kworker/u8:3+events_unbound10:05:281
866600993529,4cyclictest907799-21kworker/u8:0+events_unbound09:15:321
866598993524,9cyclictest1136352-21ntpq11:35:270
866600993430,3cyclictest907799-21kworker/u8:0+events_unbound08:05:311
866600993430,3cyclictest1062961-21kworker/u8:3+flush-8:010:30:281
866600993425,6cyclictest1704890-21systemd-journal09:01:001
866598993430,3cyclictest873512-21kworker/u8:3+events_unbound07:40:200
866598993428,4cyclictest898221-21latency_hist07:40:010
866598993428,4cyclictest898221-21latency_hist07:40:000
866598993424,7cyclictest892250-21ntpq07:30:250
8663352344,10sleep20-21swapper/207:09:152
866605993320,11cyclictest1147185-21cron11:50:002
866605993319,12cyclictest1182613-21cpuspeed_turbos12:25:142
866605993318,13cyclictest0-21swapper/208:00:232
866598993324,7cyclictest1704890-21systemd-journal09:20:000
86659899332,30cyclictest1082629-21kworker/0:0+events11:50:470
86659899332,30cyclictest1082629-21kworker/0:0+events10:53:490
866605993226,4cyclictest943051-21cron08:25:002
866605993226,4cyclictest1131871-21unixbench_multi11:30:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional