You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-01 - 16:00

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 #b, slot #5

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
  Phytec
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: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot5s.osadl.org (updated Wed Apr 01, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
856035995649,4cyclictest891522-21munin-plugin-st08:50:000
856041995342,7cyclictest901953-21sh09:20:011
856035994639,4cyclictest901954-21sh09:20:010
856048994438,3cyclictest867219-21cron07:40:003
856048994438,3cyclictest867219-21cron07:40:003
856035994435,6cyclictest863819-21grep07:30:000
856048994334,6cyclictest867628-21fschecks_count07:40:153
856048994334,6cyclictest867628-21fschecks_count07:40:153
856035994336,4cyclictest970778-21munin-run12:39:590
856045994232,7cyclictest859994-21sendmail07:20:012
856048994132,7cyclictest953743-21kworker/u8:1+events_unbound12:33:463
856041994131,6cyclictest893207-21cron08:55:001
856041994029,7cyclictest953061-21grep11:45:271
856035994030,6cyclictest925576-21grep10:25:270
856048993930,6cyclictest952279-21fschecks_time11:45:173
856041993930,5cyclictest0-21swapper/110:20:011
856041993928,7cyclictest0-21swapper/110:55:001
856041993927,7cyclictest939277-21grep11:05:261
856045993825,9cyclictest311ktimers/211:10:122
856041993831,4cyclictest963533-21unixbench_singl12:15:251
856048993728,4cyclictest0-21swapper/311:33:393
856045993727,7cyclictest898115-21grep09:05:262
856041993726,7cyclictest920501-21grep10:10:251
856035993728,6cyclictest121ktimers/008:10:120
856035993726,8cyclictest857250-21grep07:10:270
856048993627,4cyclictest0-21swapper/308:40:003
856048993627,4cyclictest0-21swapper/308:40:003
856045993629,4cyclictest906599-21tail09:30:272
856045993628,5cyclictest922633-21grep10:20:012
856045993628,5cyclictest0-21swapper/212:39:592
856045993626,7cyclictest951685-21apt-config11:45:012
856041993626,6cyclictest0-21swapper/109:05:001
856041993624,8cyclictest913663-21grep09:50:251
856035993628,6cyclictest121ktimers/007:40:120
856035993628,6cyclictest121ktimers/007:40:110
856035993626,7cyclictest894934-21sendmail09:00:010
856035993625,7cyclictest939223-21grep11:05:270
856048993524,7cyclictest861449-21unixbench_multi07:20:263
856045993528,4cyclictest927733-21cron10:35:002
856045993527,5cyclictest0-21swapper/208:20:002
856045993524,7cyclictest949917-21sendmail11:40:012
856041993527,4cyclictest0-21swapper/109:20:161
856041993522,8cyclictest857249-21grep07:10:271
85603599354,4cyclictest131rcu_preempt08:05:130
856035993525,7cyclictest0-21swapper/008:40:000
856035993525,7cyclictest0-21swapper/008:40:000
856048993424,7cyclictest0-21swapper/311:50:263
856048993421,10cyclictest391ktimers/309:40:143
856045993427,4cyclictest868943-21munin-plugin-st07:45:002
856045993427,4cyclictest868943-21munin-plugin-st07:45:002
856045993425,6cyclictest920519-21unixbench_singl10:10:252
856045993424,6cyclictest0-21swapper/212:00:002
856041993426,4cyclictest0-21swapper/112:40:001
856041993425,5cyclictest0-21swapper/108:13:181
856041993424,7cyclictest969065-21sh12:35:001
85603599342,6cyclictest131rcu_preempt09:30:120
856035993425,6cyclictest961843-21grep12:10:260
856035993425,6cyclictest0-21swapper/011:49:590
856035993422,8cyclictest911974-21grep09:45:270
856048993324,6cyclictest970311-21unixbench_multi12:35:253
856048993323,6cyclictest0-21swapper/310:50:253
856048993322,7cyclictest0-21swapper/310:15:003
856045993325,6cyclictest872727-21fschecks_count07:55:162
856045993323,6cyclictest954819-21grep11:50:262
856041993326,4cyclictest0-21swapper/107:40:001
856041993326,4cyclictest0-21swapper/107:40:001
856041993325,4cyclictest0-21swapper/107:25:021
85603599335,5cyclictest131rcu_preempt11:40:110
856035993326,4cyclictest0-21swapper/009:25:240
856035993322,8cyclictest861892-21cron07:25:010
856048993225,5cyclictest914904-21kworker/u8:1+events_unbound09:58:303
856048993223,6cyclictest898118-21unixbench_singl09:05:253
856048993223,5cyclictest0-21swapper/311:15:013
856048993222,6cyclictest0-21swapper/311:10:003
856048993222,6cyclictest0-21swapper/310:35:263
856048993222,6cyclictest0-21swapper/309:20:253
856048993222,6cyclictest0-21swapper/308:00:253
856045993224,4cyclictest0-21swapper/211:00:002
856041993223,4cyclictest0-21swapper/110:35:261
856041993221,7cyclictest912398-21sh09:50:001
85603599325,4cyclictest131rcu_preempt10:15:100
856035993226,3cyclictest13550irq/42-30be0000.ethernet10:50:260
856035993222,7cyclictest954764-21grep11:50:260
856035993222,6cyclictest0-21swapper/009:50:260
856048993124,4cyclictest0-21swapper/309:00:263
856045993123,4cyclictest0-21swapper/212:30:012
856045993123,4cyclictest0-21swapper/212:30:012
856045993123,4cyclictest0-21swapper/210:40:162
856041993124,4cyclictest935644-21grep10:55:251
856041993123,4cyclictest0-21swapper/109:35:251
856035993125,4cyclictest933052-21kworker/u8:0+events_unbound11:23:380
856035993125,4cyclictest933052-21kworker/u8:0+events_unbound11:23:380
856035993125,3cyclictest927742-21kthreadd10:35:000
856035993123,4cyclictest0-21swapper/009:40:010
856048993024,3cyclictest0-21swapper/312:00:253
856048993023,5cyclictest941080-21kworker/u8:3+events_unbound11:58:433
856048993023,3cyclictest0-21swapper/312:20:003
856048993019,7cyclictest0-21swapper/309:15:253
856045993023,3cyclictest0-21swapper/210:50:262
856045993023,3cyclictest0-21swapper/207:15:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional