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2025-06-24 - 19:01

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #8

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 
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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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack9slot8s.osadl.org (updated Tue Jun 24, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501800,0irq/46-4a10000015129-21kworker/0:007:09:500
157179911643,0cyclictest81850irq/46-4a10000011:20:470
157179911331,0cyclictest26767-21rm10:17:040
157179911311,0cyclictest19406-21rm11:30:440
157179911230,0cyclictest2421-21ssh12:10:340
157179911134,0cyclictest81850irq/46-4a10000007:14:530
157179911114,0cyclictest10859-21ssh09:34:330
157179911112,0cyclictest14865-21ssh11:18:590
157179910933,0cyclictest25905-21sshd08:15:050
157179910931,0cyclictest25546-21rm11:46:370
157179910910,0cyclictest7420-21ssh10:56:530
157179910829,0cyclictest6182-21ssh09:21:250
157179910826,0cyclictest16162-21ssh09:48:450
157179910810,0cyclictest4858-21ssh12:16:520
157179910738,0cyclictest81850irq/46-4a10000009:54:560
157179910731,0cyclictest28911-21rm11:55:130
157179910730,0cyclictest13922-21sendmail12:40:020
157179910729,0cyclictest11504-21rm11:08:540
157179910712,0cyclictest24801-21rm10:11:300
157179910711,0cyclictest12056-21ssh09:37:450
157179910631,0cyclictest1684-21diskmemload11:12:390
157179910630,0cyclictest1689-21modprobe09:09:540
157179910629,0cyclictest28646-21ssh11:54:580
157179910610,0cyclictest9470-21ssh12:28:260
15717991058,0cyclictest32464-21ssh12:04:450
157179910536,0cyclictest81850irq/46-4a10000008:39:530
157179910528,0cyclictest30533-21kworker/u2:209:14:250
157179910514,0cyclictest2908-21rm10:43:270
157179910514,0cyclictest27887-21ssh10:20:110
157179910511,0cyclictest20412-21ssh09:59:560
157179910442,0cyclictest81850irq/46-4a10000010:03:230
157179910436,0cyclictest81850irq/46-4a10000009:25:250
157179910431,0cyclictest19851-21latency_hist07:34:510
157179910430,0cyclictest21811-21rm11:37:030
157179910430,0cyclictest13995-21sshd09:42:560
157179910416,0cyclictest19038-21munin-run11:30:000
157179910412,0cyclictest10553-21ssh12:31:060
15717991038,0cyclictest24178-21ssh11:43:090
157179910335,0cyclictest81850irq/46-4a10000010:49:570
157179910332,0cyclictest23148-21in:imuxsock07:35:510
157179910331,0cyclictest6998-21ssh12:22:130
157179910326,0cyclictest1139-21rm12:07:290
157179910316,0cyclictest29800-21ssh10:26:070
157179910315,0cyclictest742-21munin-run09:04:550
157179910313,0cyclictest18367-21munin-run07:24:510
157179910310,0cyclictest8915-21ssh11:01:060
157179910310,0cyclictest1045-21ssh10:38:060
157179910227,0cyclictest4160-21ssh09:16:050
157179910227,0cyclictest32006-21rm10:32:580
157179910225,0cyclictest28638-21seq08:34:100
157179910119,0cyclictest32439-21apt08:59:530
157179910116,0cyclictest22971-21ssh10:06:170
157179910112,0cyclictest5425-21ssh10:50:490
157179910023,0cyclictest23552-21awk07:59:520
157179910013,0cyclictest22098-21wc07:49:520
157179910010,0cyclictest16645-21latency_hist07:14:550
15717999929,0cyclictest19143-21latency_hist07:29:500
15717999924,0cyclictest26802-21runrttasks08:21:080
15717999914,0cyclictest24301-21apt08:04:510
15717999914,0cyclictest22127-21date07:49:520
15717999912,0cyclictest30971-21munin-run08:49:550
15717999814,0cyclictest31704-21munin-run08:54:550
1571799978,0cyclictest21327-21munin-run07:44:500
15717999714,0cyclictest25773-21munin-run08:14:510
15717999712,0cyclictest25033-21apt08:09:510
15717999711,0cyclictest28014-21chrt08:29:530
1571799969,0cyclictest30234-21munin-run08:44:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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