You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-24 - 01:54

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 #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 Sun Nov 23, 2025 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3084009995224,4cyclictest0-21swapper/207:15:262
3084000995144,5cyclictest3193097-21kworker/u8:0+events_unbound12:35:200
3084013995043,5cyclictest3083804-21kworker/u8:2+events_unbound07:19:283
3084013994936,10cyclictest391ktimers/308:55:123
3084009994837,7cyclictest3122256-21grep08:55:302
3084009994534,6cyclictest0-21swapper/208:39:362
3084004994538,4cyclictest3182810-21idleruntime-cro11:55:001
3084009994328,11cyclictest311ktimers/211:05:132
3084004994335,4cyclictest0-21swapper/107:15:001
3084004994335,4cyclictest0-21swapper/107:15:001
3084004994332,8cyclictest231ktimers/110:30:121
3084000994337,4cyclictest3146510-21kworker/u8:2+events_unbound10:40:050
3084000994231,8cyclictest121ktimers/007:55:160
3084000994231,8cyclictest121ktimers/007:55:150
3084013994034,4cyclictest3152095-21kworker/u8:3+events_unbound10:25:023
3084013994028,7cyclictest0-21swapper/308:45:013
3084004994033,5cyclictest3101424-21kworker/u8:1+events_unbound08:19:341
3084013993931,4cyclictest0-21swapper/307:20:153
3084013993916,11cyclictest0-21swapper/312:18:463
3084000993927,9cyclictest3191750-21cron12:20:010
3084013993831,4cyclictest3164036-21munin-run11:00:003
3084013993819,5cyclictest3134293-21kworker/u8:1-events_unbound09:36:583
3084009993828,6cyclictest0-21swapper/208:00:002
3084009993828,6cyclictest0-21swapper/208:00:002
3084009993827,7cyclictest0-21swapper/208:45:272
3084000993829,6cyclictest3153821-21munin-plugin-st10:30:000
3084013993731,4cyclictest3186311-21kworker/u8:1+events_unbound12:20:183
3084013993731,4cyclictest3144803-21kworker/u8:0+events_unbound10:04:573
3084013993731,4cyclictest3101424-21kworker/u8:1+events_unbound08:14:333
3084013993730,5cyclictest3120614-21kworker/u8:2+events_unbound08:54:403
3084013993730,5cyclictest3118738-21kworker/u8:1+events_unbound08:49:383
3084013993729,5cyclictest3177700-21sendmail11:40:003
3084013993725,7cyclictest3096057-21grep07:40:273
3084009993727,6cyclictest3177682-21sh11:40:012
3084004993730,4cyclictest3157210-21auditctl10:40:001
3084004993729,4cyclictest0-21swapper/109:25:281
3084004993729,4cyclictest0-21swapper/109:25:281
308400499372,4cyclictest131rcu_preempt11:30:131
3084000993728,4cyclictest0-21swapper/011:55:010
3084013993630,4cyclictest3160851-21kworker/u8:2+events_unbound11:20:103
3084013993630,4cyclictest3125983-21kworker/u8:1+events_unbound09:14:413
3084013993622,5cyclictest131rcu_preempt11:55:153
3084013993620,3cyclictest131rcu_preempt12:00:343
3084004993630,4cyclictest3125983-21kworker/u8:1+events_unbound09:19:431
308400099365,5cyclictest131rcu_preempt07:15:140
3084000993630,4cyclictest3193097-21kworker/u8:0+events_unbound12:30:180
3084000993630,4cyclictest3150163-21kworker/u8:1+events_unbound10:20:000
308401399357,20cyclictest40-21ksoftirqd/309:45:013
3084013993529,4cyclictest3089270-21kworker/u8:0+events_unbound07:34:303
3084013993527,4cyclictest0-21swapper/312:40:003
3084013993527,4cyclictest0-21swapper/309:55:253
3084013993525,6cyclictest0-21swapper/309:15:263
3084013993524,8cyclictest3182798-21idleruntime-cro11:55:003
3084013993524,7cyclictest3167071-21grep11:05:403
3084013993520,4cyclictest131rcu_preempt07:27:093
3084004993527,6cyclictest3177481-21kworker/u8:2+events_unbound11:40:141
3084004993527,4cyclictest3191748-21kthreadd12:20:001
3084004993525,7cyclictest3160631-21auditctl10:50:001
3084000993527,4cyclictest0-21swapper/010:25:000
3084013993428,4cyclictest3105097-21kworker/u8:2+events_unbound08:09:333
3084013993428,4cyclictest3089270-21kworker/u8:0+events_unbound07:53:433
3084013993427,5cyclictest3083804-21kworker/u8:2+events_unbound07:13:433
3084013993427,5cyclictest3083804-21kworker/u8:2+events_unbound07:13:433
3084013993426,6cyclictest3188162-21kworker/u8:0+events_unbound12:13:423
3084013993426,4cyclictest0-21swapper/312:30:183
3084013993425,5cyclictest0-21swapper/309:54:533
3084013993420,4cyclictest131rcu_preempt09:22:553
3084009993427,4cyclictest0-21swapper/212:05:162
3084009993426,4cyclictest0-21swapper/210:40:002
3084009993426,4cyclictest0-21swapper/209:45:292
3084009993426,4cyclictest0-21swapper/207:40:282
3084009993424,7cyclictest3153355-21unixbench_multi10:25:262
3084009993423,7cyclictest3170428-21grep11:15:262
3084004993428,4cyclictest3101424-21kworker/u8:1+events_unbound08:04:331
3084004993427,4cyclictest3126109-21idleruntime-cro09:10:001
3084004993427,4cyclictest3105212-21latency_hist08:10:001
3084004993426,4cyclictest0-21swapper/111:55:251
3084004993413,4cyclictest131rcu_preempt10:40:121
3084000993424,6cyclictest0-21swapper/011:35:000
3084013993326,5cyclictest3174213-21kworker/u8:3+events_unbound11:43:423
3084013993324,7cyclictest391ktimers/308:30:133
3084013993319,7cyclictest3146510-21kworker/u8:2+events_unbound10:16:533
3084013993315,11cyclictest131rcu_preempt09:45:133
3084013993313,3cyclictest131rcu_preempt12:28:043
3084013993313,3cyclictest131rcu_preempt12:28:043
3084009993326,4cyclictest3182799-21cron11:55:002
3084009993323,7cyclictest0-21swapper/209:55:252
3084004993325,4cyclictest0-21swapper/109:10:151
3084004993325,4cyclictest0-21swapper/108:10:271
3084004993324,6cyclictest3162572-21kworker/u8:0+events_unbound10:55:271
3084004993322,7cyclictest3137805-21grep09:40:251
308400499331,5cyclictest131rcu_preempt10:00:111
3084000993323,6cyclictest0-21swapper/011:50:000
3084000993315,11cyclictest131rcu_preempt12:20:320
3084013993223,5cyclictest0-21swapper/308:25:263
3084013993223,5cyclictest0-21swapper/308:25:253
3084013993219,5cyclictest131rcu_preempt08:18:063
3084013993219,4cyclictest131rcu_preempt11:10:213
3084013993213,4cyclictest131rcu_preempt09:05:123
3084013993213,3cyclictest131rcu_preempt08:22:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional