You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-30 - 05:04

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 Sun Nov 30, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811130,0rcu_preempt3-21ksoftirqd/023:38:480
811050,0rcu_preempt26094-1kworker/1:1H00:34:461
811010,0rcu_preempt19-21ksoftirqd/123:52:251
2893321000,0sleep09950irq/345-484840022:25:150
81910,0rcu_preempt31107-1kworker/0:1H19:19:320
81890,0rcu_preempt3-21ksoftirqd/023:53:370
81870,0rcu_preempt19-21ksoftirqd/121:24:051
81860,0rcu_preempt54-21kswapd022:15:211
81850,0rcu_preempt3-21ksoftirqd/022:44:560
81850,0rcu_preempt0-21swapper/121:50:351
81840,0rcu_preempt0-21swapper/122:22:101
81790,0rcu_preempt3-21ksoftirqd/019:14:580
81780,0rcu_preempt7502-21dropbear19:44:441
81780,0rcu_preempt3-21ksoftirqd/000:14:430
81750,0rcu_preempt0-21swapper/122:47:391
81740,0rcu_preempt19-21ksoftirqd/123:59:491
81740,0rcu_preempt19-21ksoftirqd/123:59:491
81740,0rcu_preempt19-21ksoftirqd/122:40:151
81730,0rcu_preempt3-21ksoftirqd/023:08:330
81730,0rcu_preempt3-21ksoftirqd/022:36:070
81730,0rcu_preempt0-21swapper/100:05:181
81720,0rcu_preempt3-21ksoftirqd/000:34:470
81710,0rcu_preempt23180-1kworker/1:0H19:04:451
81710,0rcu_preempt19-21ksoftirqd/123:14:421
81700,0rcu_preempt29497-21kworker/1:321:38:121
81690,0rcu_preempt0-21swapper/121:09:461
28121996927,0cyclictest32250-1kworker/0:2H23:13:100
97962680,0sleep09950irq/345-484840022:43:350
81680,0rcu_preempt29497-21kworker/1:322:54:451
81680,0rcu_preempt19-21ksoftirqd/123:28:091
81680,0rcu_preempt19-21ksoftirqd/121:16:001
66012670,0sleep09950irq/345-484840023:19:510
28121996730,0cyclictest28592-21runrttasks23:48:010
81660,0rcu_preempt19-21ksoftirqd/100:31:001
81660,0rcu_preempt0-21swapper/100:12:121
81650,0rcu_preempt19-21ksoftirqd/119:24:521
81650,0rcu_preempt19-21ksoftirqd/119:24:521
28121996525,0cyclictest21717-1kworker/0:1H22:16:550
110212650,0sleep09950irq/345-484840000:06:040
81640,0rcu_preempt3-21ksoftirqd/000:19:400
81640,0rcu_preempt19-21ksoftirqd/123:23:341
28121996424,0cyclictest5142-1kworker/0:1H21:16:270
81630,0rcu_preempt0-21swapper/122:27:171
28121996324,0cyclictest26097-1kworker/0:1H00:30:150
28121996324,0cyclictest25527-1kworker/0:3H22:21:270
81610,0rcu_preempt31919-21apt-get20:59:401
81610,0rcu_preempt19-21ksoftirqd/120:29:481
28121996127,0cyclictest15087-1kworker/0:4H20:07:330
28121996127,0cyclictest15087-1kworker/0:4H20:07:330
28121996123,0cyclictest7255-1kworker/0:1H00:04:240
28121996123,0cyclictest7255-1kworker/0:1H00:04:240
81600,0rcu_preempt19-21ksoftirqd/119:54:431
81600,0rcu_preempt0-21swapper/123:34:471
28121996027,0cyclictest11771-21ping20:16:310
28121996026,0cyclictest3880-1kworker/0:0H23:18:220
28121996023,0cyclictest16339-1kworker/0:3H21:31:510
28121996021,0cyclictest11161-1kworker/0:2H00:13:300
28121995930,0cyclictest54-21kswapd021:19:410
28121995929,0cyclictest5142-1kworker/0:1H21:39:390
28121995927,0cyclictest597-1kworker/0:3H21:10:360
28121995927,0cyclictest31465-1kworker/0:0H21:47:330
28121995927,0cyclictest15087-1kworker/0:4H20:11:470
28121995926,0cyclictest3310-1kworker/0:2H21:52:030
10050590,0irq/346-484840054-21kswapd023:27:180
81580,0rcu_preempt0-21swapper/123:11:401
81580,0rcu_preempt0-21swapper/119:09:441
28121995829,0cyclictest8488-21ssh21:59:280
28121995827,0cyclictest23276-1kworker/0:0H20:34:540
28121995825,0cyclictest16357-1kworker/0:0H22:51:250
28121995821,0cyclictest0-21swapper/023:55:070
81570,0rcu_preempt2197-21ssh22:33:400
81570,0rcu_preempt0-21swapper/123:55:581
28121995727,0cyclictest15814-21munin-node0
28121995726,0cyclictest26570-1kworker/0:4H20:44:360
28121995726,0cyclictest24381-1kworker/0:2H23:03:170
28121995726,0cyclictest20397-1kworker/0:1H22:56:350
28121995726,0cyclictest12192-1kworker/0:2H22:04:420
28121995725,0cyclictest20675-1kworker/0:0H21:34:510
28121995724,0cyclictest2373-1kworker/0:0H21:09:020
81560,0rcu_preempt26579-21kworker/1:023:49:081
81560,0rcu_preempt2617-21dropbear19:29:471
81560,0rcu_preempt2617-21dropbear19:29:471
28121995626,0cyclictest19745-1kworker/0:5H23:39:430
28121995623,0cyclictest11771-21ping20:21:410
28121995623,0cyclictest0-21swapper/019:39:290
81550,0rcu_preempt19-21ksoftirqd/122:51:071
81550,0rcu_preempt19-21ksoftirqd/119:39:451
28121995526,0cyclictest2632-21diskmemload22:09:440
28121995526,0cyclictest15796-1kworker/0:0H23:33:240
28121995525,0cyclictest8953-21munin-node0
28121995525,0cyclictest3310-1kworker/0:2H21:55:360
28121995433,0cyclictest8528-1kworker/0:1H19:59:590
28121995427,0cyclictest22575-1kworker/0:3H00:24:560
28121995423,0cyclictest31395-21ping19:24:510
28121995423,0cyclictest31395-21ping19:24:510
28121995330,0cyclictest31395-21ping19:44:410
28121995326,0cyclictest23276-1kworker/0:0H20:33:190
81520,0rcu_preempt19-21ksoftirqd/121:04:491
28121995225,0cyclictest6284-21taskset19:39:570
28121995225,0cyclictest31488-1kworker/0:1H20:58:570
28121995224,0cyclictest0-21swapper/020:49:570
81510,0rcu_preempt19-21ksoftirqd/121:44:371
81510,0rcu_preempt19-21ksoftirqd/120:09:421
81510,0rcu_preempt19-21ksoftirqd/120:04:401
81510,0rcu_preempt19-21ksoftirqd/120:04:401
28121995134,0cyclictest25349-21apt-get20:39:420
28121995130,0cyclictest31395-21ping19:29:420
28121995130,0cyclictest31395-21ping19:29:420
28121995125,0cyclictest8528-1kworker/0:1H19:59:280
81500,0rcu_preempt19-21ksoftirqd/122:34:491
81500,0rcu_preempt19-21ksoftirqd/121:56:191
81500,0rcu_preempt19-21ksoftirqd/100:24:441
28121995024,0cyclictest0-21swapper/020:59:580
172942500,0sleep19950irq/345-484840023:33:551
81490,0rcu_preempt29497-21kworker/1:323:43:371
81490,0rcu_preempt29497-21kworker/1:322:09:441
81490,0rcu_preempt19-21ksoftirqd/120:14:401
81490,0rcu_preempt0-21swapper/122:03:401
81480,0rcu_preempt26622-21apt-get19:04:390
28121994833,0cyclictest20425-21apt-get20:24:400
28121994820,0cyclictest0-21swapper/019:10:410
81470,0rcu_preempt26641-21meminfo21:39:531
81470,0rcu_preempt19-21ksoftirqd/121:24:471
81470,0rcu_preempt16340-1kworker/1:2H21:29:551
81460,0rcu_preempt30016-1kworker/1:3H22:31:101
81460,0rcu_preempt26579-21kworker/1:000:15:161
81460,0rcu_preempt19-21ksoftirqd/122:07:531
81460,0rcu_preempt19-21ksoftirqd/120:47:361
81460,0rcu_preempt19-21ksoftirqd/120:26:331
81460,0rcu_preempt19-21ksoftirqd/119:59:571
81450,0rcu_preempt19-21ksoftirqd/120:19:431
81450,0rcu_preempt0-21swapper/100:23:551
81440,0rcu_preempt19-21ksoftirqd/123:04:511
81440,0rcu_preempt19-21ksoftirqd/119:19:331
81440,0rcu_preempt0-21swapper/119:14:491
81430,0rcu_preempt19-21ksoftirqd/119:37:421
81420,0rcu_preempt19-21ksoftirqd/123:00:491
81420,0rcu_preempt19-21ksoftirqd/120:54:481
81420,0rcu_preempt0-21swapper/120:34:501
81410,0rcu_preempt19-21ksoftirqd/119:52:011
81390,0rcu_preempt19-21ksoftirqd/120:42:061
81370,0rcu_preempt19-21ksoftirqd/120:53:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional