You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-13 - 23:21

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 #a, 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
  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 highest latencies:
System rackaslot5s.osadl.org (updated Wed May 13, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811100,0rcu_preempt24046-21kworker/1:010:41:401
811070,0rcu_preempt19-21ksoftirqd/112:08:291
811030,0rcu_preempt0-21swapper/109:40:091
811020,0rcu_preempt19-21ksoftirqd/111:08:201
81950,0rcu_preempt19-21ksoftirqd/112:02:051
81950,0rcu_preempt19-21ksoftirqd/111:07:251
81910,0rcu_preempt19-21ksoftirqd/112:29:021
81900,0rcu_preempt851-21rngd11:32:421
81900,0rcu_preempt54-21kswapd011:23:191
81890,0rcu_preempt19-21ksoftirqd/111:01:571
81880,0rcu_preempt54-21kswapd010:31:341
81860,0rcu_preempt19-21ksoftirqd/110:53:151
81860,0rcu_preempt19-21ksoftirqd/110:50:231
81850,0rcu_preempt20887-21ssh12:07:221
81840,0rcu_preempt54-21kswapd010:15:441
81840,0rcu_preempt0-21swapper/112:22:301
81830,0rcu_preempt54-21kswapd011:36:261
81830,0rcu_preempt19-21ksoftirqd/112:14:071
81820,0rcu_preempt19-21ksoftirqd/111:20:361
81810,0rcu_preempt851-21rngd11:52:401
81810,0rcu_preempt19-21ksoftirqd/111:47:231
81810,0rcu_preempt19-21ksoftirqd/108:03:331
81800,0rcu_preempt27626-21ssh11:40:551
81790,0rcu_preempt19-21ksoftirqd/112:36:081
81790,0rcu_preempt19-21ksoftirqd/109:34:481
81790,0rcu_preempt19-21ksoftirqd/109:16:511
81790,0rcu_preempt19-21ksoftirqd/109:16:511
81770,0rcu_preempt54-21kswapd010:27:291
81770,0rcu_preempt24046-21kworker/1:009:48:011
81760,0rcu_preempt24046-21kworker/1:011:13:501
81760,0rcu_preempt19-21ksoftirqd/110:09:211
81750,0rcu_preempt851-21rngd08:35:421
81740,0rcu_preempt19-21ksoftirqd/109:32:581
81740,0rcu_preempt19-21ksoftirqd/109:12:051
81730,0rcu_preempt19-21ksoftirqd/109:57:441
81730,0rcu_preempt19-21ksoftirqd/107:28:141
81720,0rcu_preempt851-21rngd10:44:241
81720,0rcu_preempt19-21ksoftirqd/108:13:461
81710,0rcu_preempt19-21ksoftirqd/108:38:171
81710,0rcu_preempt19-21ksoftirqd/107:43:201
81700,0rcu_preempt24046-21kworker/1:010:05:151
81700,0rcu_preempt19-21ksoftirqd/109:22:241
10050700,0irq/346-48484006200-1kworker/0:0H09:40:110
81680,0rcu_preempt3-21ksoftirqd/010:23:240
81680,0rcu_preempt19-21ksoftirqd/112:25:351
81680,0rcu_preempt0-21swapper/108:26:461
81670,0rcu_preempt19-21ksoftirqd/109:53:041
81650,0rcu_preempt19-21ksoftirqd/108:46:511
81640,0rcu_preempt19-21ksoftirqd/110:35:041
81640,0rcu_preempt19-21ksoftirqd/109:58:451
81640,0rcu_preempt19-21ksoftirqd/109:27:241
81630,0rcu_preempt19-21ksoftirqd/110:21:011
81620,0rcu_preempt19-21ksoftirqd/109:51:121
81610,0rcu_preempt19-21ksoftirqd/108:18:151
3218599612,0cyclictest0-21swapper/009:36:110
32185996115,0cyclictest4534-21munin-node0
3218599602,0cyclictest10768-21cut11:23:290
3218599601,0cyclictest12258-1kworker/0:2H11:29:160
3218599591,0cyclictest28436-21ntp_kernel_err08:33:240
81580,0rcu_preempt3061-21ping07:28:031
81580,0rcu_preempt3061-21ping07:28:031
3218599583,0cyclictest0-21swapper/011:03:150
3218599583,0cyclictest0-21swapper/009:57:560
3218599582,0cyclictest827-21ssh11:46:500
10050580,0irq/346-484840054-21kswapd012:06:040
81570,0rcu_preempt19-21ksoftirqd/108:08:201
81570,0rcu_preempt19-21ksoftirqd/108:08:201
81570,0rcu_preempt19-21ksoftirqd/107:48:211
3218599576,0cyclictest22885-1kworker/0:0H10:41:060
3218599575,0cyclictest3-21ksoftirqd/011:39:060
3218599573,0cyclictest23833-21runrttasks11:37:240
3218599572,0cyclictest0-21swapper/011:13:550
81560,0rcu_preempt19-21ksoftirqd/111:53:271
81560,0rcu_preempt19-21ksoftirqd/109:05:401
3218599567,0cyclictest13754-21apt-get12:33:130
3218599566,0cyclictest29852-1kworker/0:0H11:10:390
3218599566,0cyclictest0-21swapper/010:18:140
3218599565,0cyclictest6492-21seq07:28:150
3218599564,0cyclictest13532-1kworker/0:2H09:48:310
3218599564,0cyclictest13532-1kworker/0:2H09:48:310
3218599564,0cyclictest0-21swapper/009:08:140
3218599562,0cyclictest6553-21ssh11:52:570
3218599562,0cyclictest29060-1kworker/0:1H12:18:150
3218599562,0cyclictest27969-21runrttasks09:28:440
3218599562,0cyclictest25302-21awk08:23:310
3218599562,0cyclictest11929-21ssh09:13:160
3218599562,0cyclictest11929-21ssh09:13:160
32185995617,0cyclictest25469-21ssh10:33:140
32185995614,0cyclictest19604-21ssh09:20:410
32185995614,0cyclictest14195-21ssh10:53:510
3218599553,0cyclictest0-21swapper/011:57:480
3218599553,0cyclictest0-21swapper/011:02:260
3218599552,0cyclictest28812-21ssh10:03:210
3218599552,0cyclictest11147-21ssh12:29:560
3218599552,0cyclictest0-21swapper/012:17:160
32185995514,0cyclictest26942-21ssh10:01:190
81540,0rcu_preempt19-21ksoftirqd/108:58:221
81540,0rcu_preempt19-21ksoftirqd/107:08:261
3218599542,0cyclictest24633-21ssh10:32:190
3218599542,0cyclictest0-21swapper/009:45:480
32185995415,0cyclictest10394-21ssh10:17:550
32185995412,0cyclictest9948-21dropbear07:38:180
32185995411,0cyclictest18695-21proc_pri08:03:300
3218599541,0cyclictest7792-21ssh10:48:130
3218599541,0cyclictest25841-1kworker/0:0H10:09:190
81530,0rcu_preempt19-21ksoftirqd/107:58:201
81530,0rcu_preempt19-21ksoftirqd/107:53:191
3218599533,0cyclictest0-21swapper/008:13:260
3218599532,0cyclictest5130-21ssh11:18:170
3218599532,0cyclictest3061-21ping07:23:160
3218599532,0cyclictest3061-21ping07:23:160
3218599532,0cyclictest16371-21grep07:58:160
32185995315,0cyclictest6761-21ssh10:47:020
32185995311,0cyclictest31094-21munin-node0
3218599531,0cyclictest3061-21ping07:43:130
3218599531,0cyclictest229292sleep009:23:340
3218599531,0cyclictest0-21swapper/012:01:190
81520,0rcu_preempt19-21ksoftirqd/108:48:141
81520,0rcu_preempt19-21ksoftirqd/108:28:231
81520,0rcu_preempt19-21ksoftirqd/107:13:141
81520,0rcu_preempt19-21ksoftirqd/107:08:051
3218599528,0cyclictest6763-21idleruntime-cro09:08:030
3218599526,0cyclictest4212-21munin-node0
3218599522,0cyclictest22900-21ssh12:08:320
81510,0rcu_preempt19-21ksoftirqd/107:41:571
32185995113,0cyclictest3061-21ping07:33:160
32185995112,0cyclictest30749-21runrttasks08:41:040
3218599503,0cyclictest0-21swapper/007:53:300
3218599502,0cyclictest32341-21aten_rapower_cu07:08:160
3218599502,0cyclictest1470-21runrttasks07:50:430
3218599501,0cyclictest3061-21ping07:18:160
3218599501,0cyclictest3061-21ping07:18:160
81490,0rcu_preempt19-21ksoftirqd/107:18:321
81490,0rcu_preempt19-21ksoftirqd/107:18:321
3218599498,0cyclictest0-21swapper/008:49:400
3218599492,0cyclictest3154-21runrttasks08:54:500
3218599492,0cyclictest0-21swapper/008:13:030
3218599492,0cyclictest0-21swapper/008:13:030
3218599481,0cyclictest0-21swapper/008:18:210
81470,0rcu_preempt30678-21apt-get07:03:140
3218599472,0cyclictest3081-21sendmail-msp07:18:040
81460,0rcu_preempt19-21ksoftirqd/108:53:191
81460,0rcu_preempt19-21ksoftirqd/107:33:411
3218599468,0cyclictest26165-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional