You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-10 - 02:38

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 Tue Dec 09, 2025 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3952246995245,5cyclictest4042666-21kworker/u8:0+events_unbound11:35:163
3952238994533,9cyclictest3980505-21idleruntime-cro08:30:011
3952235994535,6cyclictest3972132-21fschecks_count08:05:160
3952235994534,7cyclictest3990731-21munin-plugin-st09:00:000
3952238994434,7cyclictest3976881-21sendmail08:20:001
3952235994434,6cyclictest3986903-21grep08:45:270
3952246994236,4cyclictest4059471-21kworker/u8:1+events_unbound12:30:283
3952241994231,8cyclictest311ktimers/210:10:162
3952235994134,4cyclictest4046148-21cron11:40:010
3952246994032,4cyclictest0-21swapper/311:59:593
3952246994030,6cyclictest215-21dbus-daemon11:40:173
3952241994027,9cyclictest1-21systemd12:15:242
3952238994032,5cyclictest4007999-21cron09:50:001
3952238994032,5cyclictest4007999-21cron09:50:001
3952246993927,9cyclictest391ktimers/307:20:143
3952246993827,7cyclictest4018448-21sh10:20:013
3952246993823,5cyclictest3959239-21kworker/u8:0+events_unbound07:44:513
3952241993831,5cyclictest4047860-21kworker/u8:2+events_unbound12:00:212
3952235993827,6cyclictest0-21swapper/010:39:590
3952241993729,6cyclictest311ktimers/210:05:152
3952238993729,4cyclictest0-21swapper/111:35:161
3952235993730,4cyclictest4042291-21unixbench_multi11:25:270
3952246993628,4cyclictest3952226-21cyclictest10:09:593
3952241993627,5cyclictest4018020-21unixbench_singl10:15:252
3952241993627,5cyclictest0-21swapper/211:10:152
3952241993625,7cyclictest3959124-21grep07:25:282
3952238993626,6cyclictest0-21swapper/108:50:001
3952246993529,4cyclictest4010743-21kworker/u8:0+events_unbound09:59:583
3952246993528,4cyclictest0-21swapper/311:10:003
3952246993516,7cyclictest131rcu_preempt11:30:113
3952241993526,5cyclictest0-21swapper/209:35:152
3952238993527,4cyclictest4056401-21idleruntime-cro12:10:001
3952238993525,6cyclictest0-21swapper/110:20:011
3952238993523,7cyclictest0-21swapper/107:15:011
3952235993527,4cyclictest0-21swapper/009:55:270
3952235993526,4cyclictest0-21swapper/008:45:010
3952235993525,6cyclictest0-21swapper/011:10:010
3952235993524,6cyclictest0-21swapper/008:15:260
3952246993425,5cyclictest0-21swapper/308:25:233
3952241993426,5cyclictest4028591-21kworker/u8:1+events_unbound10:50:072
3952241993426,4cyclictest0-21swapper/209:30:012
3952241993424,5cyclictest0-21swapper/210:45:002
3952238993426,4cyclictest3995539-21timerwakeupswit09:10:241
3952238993426,4cyclictest0-21swapper/108:10:271
3952238993424,6cyclictest0-21swapper/109:20:261
3952238993424,6cyclictest0-21swapper/107:40:011
3952238993422,9cyclictest231ktimers/110:55:151
3952235993423,6cyclictest0-21swapper/007:15:010
3952246993323,6cyclictest0-21swapper/309:45:283
3952246993323,6cyclictest0-21swapper/309:45:273
3952241993322,7cyclictest3967919-21grep07:50:252
3952238993325,4cyclictest0-21swapper/111:40:271
3952238993325,4cyclictest0-21swapper/107:20:161
3952238993324,4cyclictest0-21swapper/111:10:011
3952235993321,8cyclictest0-21swapper/010:20:010
3952235993318,11cyclictest121ktimers/009:45:160
3952235993318,11cyclictest121ktimers/009:45:150
395224699327,7cyclictest131rcu_preempt09:50:113
395224699327,7cyclictest131rcu_preempt09:50:113
3952246993225,5cyclictest4042666-21kworker/u8:0+events_unbound11:51:313
3952246993225,5cyclictest4038752-21kworker/u8:1+events_unbound11:29:313
3952246993225,5cyclictest4030361-21kworker/u8:0+events_unbound10:55:093
3952246993225,3cyclictest0-21swapper/310:30:233
3952246993223,4cyclictest0-21swapper/309:15:163
3952241993225,4cyclictest0-21swapper/211:05:262
3952241993224,5cyclictest0-21swapper/212:35:242
3952241993224,4cyclictest0-21swapper/208:00:322
3952241993223,6cyclictest0-21swapper/210:30:002
3952241993222,7cyclictest3964838-21latency_hist07:45:002
395223899328,7cyclictest0-21swapper/112:15:231
3952238993225,4cyclictest3959603-21idleruntime-cro07:30:001
3952238993224,4cyclictest0-21swapper/111:20:171
3952238993224,4cyclictest0-21swapper/107:45:321
3952238993224,4cyclictest0-21swapper/107:45:311
3952238993218,7cyclictest131rcu_preempt10:00:591
3952235993222,7cyclictest0-21swapper/007:45:010
3952235993222,6cyclictest0-21swapper/010:30:020
3952235993222,6cyclictest0-21swapper/009:30:270
3952235993222,6cyclictest0-21swapper/008:50:270
3952246993125,4cyclictest4064723-21kworker/u8:2+events_unbound12:35:283
3952246993124,4cyclictest0-21swapper/308:00:303
3952246993123,4cyclictest0-21swapper/312:15:253
3952246993123,4cyclictest0-21swapper/311:15:283
3952246993123,4cyclictest0-21swapper/308:20:263
3952246993122,4cyclictest0-21swapper/310:35:033
395224699310,3cyclictest0-21swapper/309:05:133
3952241993123,4cyclictest0-21swapper/211:00:282
3952241993123,4cyclictest0-21swapper/209:00:302
3952241993123,4cyclictest0-21swapper/208:30:252
3952241993122,5cyclictest0-21swapper/211:45:452
395223899319,6cyclictest0-21swapper/108:50:151
395223899315,6cyclictest3954307-21munin-node07:15:021
3952238993110,5cyclictest24-21ksoftirqd/109:40:011
3952235993124,4cyclictest0-21swapper/012:10:310
3952235993123,4cyclictest0-21swapper/010:00:170
3952235993123,4cyclictest0-21swapper/009:15:010
3952246993024,4cyclictest4042666-21kworker/u8:0+events_unbound11:45:123
3952246993023,5cyclictest3994311-21kworker/u8:1+events_unbound09:10:433
3952246993023,3cyclictest0-21swapper/310:45:163
3952246993023,3cyclictest0-21swapper/310:45:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional