You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-24 - 20:44

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 #e, slot #6

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
  TI
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot6s.osadl.org (updated Fri Jul 24, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255742499105101,2cyclictest0-21swapper/010:55:020
2557426998111,6cyclictest2558254-21munin-node07:15:011
2557431997734,6cyclictest391ktimers/308:50:133
2557430996750,14cyclictest311ktimers/211:50:062
2557426996624,34cyclictest0-21swapper/112:20:221
255742699661,4cyclictest2572209-21apt-get08:35:011
2557426996525,34cyclictest0-21swapper/108:25:321
2557426996320,35cyclictest0-21swapper/107:15:041
2557424996354,4cyclictest0-21swapper/008:40:150
255742699622,51cyclictest2596239-21grep10:50:301
2557426996220,30cyclictest0-21swapper/110:45:191
255742699621,2cyclictest0-21swapper/110:30:011
255742699602,16cyclictest2611786-21apt-get12:25:161
2557426996014,5cyclictest0-21swapper/108:35:201
255742499601,21cyclictest15-21rcuc/008:25:010
255742699592,47cyclictest2562738-21sed07:35:311
2557426995919,30cyclictest0-21swapper/109:55:311
255742699583,9cyclictest2569619-21grep08:15:291
2557426995816,34cyclictest0-21swapper/110:35:001
2557426995816,33cyclictest0-21swapper/110:15:251
255742699573,14cyclictest2597407-21dropbear11:00:161
255742699573,14cyclictest2597407-21dropbear11:00:161
2557426995726,23cyclictest2564472-21grep07:45:301
255742699572,14cyclictest2575039-21apt-get08:50:161
2557424995747,6cyclictest2583362-21munin-plugin-st09:40:010
2557426995634,18cyclictest0-21swapper/112:39:591
2557426995619,29cyclictest0-21swapper/107:35:011
2557426995618,6cyclictest1660-21snmpd09:14:361
2557426995611,9cyclictest0-21swapper/110:05:311
2557426995533,15cyclictest231ktimers/109:05:141
2557426995531,20cyclictest2590960-21grep10:20:281
2557426995526,23cyclictest0-21swapper/107:50:221
255742699551,48cyclictest0-21swapper/112:10:231
2557426995510,7cyclictest0-21swapper/107:20:291
2557426995510,7cyclictest0-21swapper/107:20:291
2557424995546,4cyclictest167350irq/118-8000000.ethernet-tx010:05:200
255742699543,13cyclictest2606593-21cat11:55:011
255742699543,13cyclictest2565838-21tune2fs07:55:241
2557426995420,29cyclictest0-21swapper/108:10:171
2557426995418,27cyclictest0-21swapper/109:20:211
255742699533,8cyclictest2585783-21tail09:50:281
2557426995318,30cyclictest0-21swapper/107:25:211
2557426995316,28cyclictest2563677-21cron07:45:011
2557426995315,6cyclictest0-21swapper/110:00:211
2557426995313,6cyclictest0-21swapper/108:55:241
2557426995313,30cyclictest0-21swapper/110:10:281
255742699531,17cyclictest2573359-21apt-get08:40:161
2557426995310,7cyclictest0-21swapper/111:25:301
2557424995345,4cyclictest167350irq/118-8000000.ethernet-tx011:20:180
2557424995312,12cyclictest15-21rcuc/007:10:000
2557430995238,10cyclictest1283-21cron09:45:002
255742699527,7cyclictest2610645-21grep12:15:281
255742699525,10cyclictest0-21swapper/112:00:311
255742699525,10cyclictest0-21swapper/112:00:311
255742699521,44cyclictest0-21swapper/111:19:271
2557426995213,3cyclictest0-21swapper/108:50:011
2557426995213,3cyclictest0-21swapper/108:50:011
2557426995212,6cyclictest0-21swapper/111:05:271
255743099511,26cyclictest0-21swapper/208:50:012
255743099511,26cyclictest0-21swapper/208:50:012
255742699514,12cyclictest0-21swapper/109:15:291
2557426995122,21cyclictest0-21swapper/109:00:281
255742699506,8cyclictest0-21swapper/110:55:301
255742699503,8cyclictest2593653-21grep10:35:271
255742699503,12cyclictest2601333-21grep11:20:301
255742699494,9cyclictest2583928-21cut09:40:271
2557426994918,6cyclictest231ktimers/111:35:271
2557426994915,4cyclictest0-21swapper/108:20:251
2557424994910,18cyclictest2591909-21gpgv10:30:020
2557430994834,9cyclictest30-21rcuc/211:50:002
255742699487,6cyclictest2581488-21unixbench_multi09:25:291
255742699485,11cyclictest2604708-21sed11:40:291
255742699485,11cyclictest2604708-21sed11:40:281
2557426994830,13cyclictest231ktimers/108:00:131
255742699482,11cyclictest2594392-21ptp4l10:40:271
2557424994840,4cyclictest167350irq/118-8000000.ethernet-tx009:05:000
2557424994839,6cyclictest0-21swapper/008:15:220
2557430994733,10cyclictest0-21swapper/208:35:002
255743099472,25cyclictest0-21swapper/207:40:012
255742699474,9cyclictest2607251-21sed11:55:291
2557426994710,9cyclictest0-21swapper/111:45:281
2557424994740,4cyclictest167350irq/118-8000000.ethernet-tx007:40:210
2557424994738,4cyclictest20650irq/252-8000000.ethernet10:05:000
2557430994634,8cyclictest311ktimers/207:20:132
2557430994634,8cyclictest311ktimers/207:20:132
255742699464,10cyclictest2599570-21grep11:10:281
255742699463,7cyclictest2613218-21head12:30:291
255742699462,8cyclictest2582605-21cat09:35:001
2557424994639,4cyclictest167350irq/118-8000000.ethernet-tx012:35:240
2557424994633,8cyclictest2594977-21lsblk10:45:190
2557424994630,14cyclictest167350irq/118-8000000.ethernet-tx008:00:240
2557424994627,14cyclictest131ktimers/010:40:100
2557430994528,13cyclictest311ktimers/210:15:112
2557426994512,8cyclictest0-21swapper/109:35:261
2557424994538,4cyclictest20650irq/252-8000000.ethernet12:30:170
255742499451,41cyclictest0-21swapper/008:05:120
2557430994434,5cyclictest0-21swapper/210:35:292
2557430994420,13cyclictest2569029-21/usr/sbin/munin08:15:202
255742699446,8cyclictest2584955-21grep09:45:281
255742699441,37cyclictest0-21swapper/108:05:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional