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2025-04-11 - 22:59

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 the 792 highest latencies:
System rack9slot8s.osadl.org (updated Fri Apr 11, 2025 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501610,0irq/46-4a1000006070-21runrttasks07:06:570
6496998048,0cyclictest27376-21ssh12:04:430
6496997652,0cyclictest26200-21ssh09:14:080
6496997558,0cyclictest9-21ksoftirqd/009:50:340
6496997542,0cyclictest30626-21runrttasks12:12:080
6496997459,0cyclictest28492-21ssh09:20:070
6496997357,0cyclictest15886-21kworker/u2:411:20:530
6496997356,0cyclictest14345-21ssh11:34:120
6496997354,0cyclictest29624-21ssh09:23:090
6496997347,0cyclictest8877-21apt11:20:010
6496997341,0cyclictest7924-21awk12:35:010
6496997256,0cyclictest23531-21kworker/u2:210:05:110
6496997256,0cyclictest1701-21munin-run09:35:020
6496997251,0cyclictest28298-21ssh10:45:030
6496997250,0cyclictest17216-21ssh11:40:420
6496997245,0cyclictest31950-21ssh09:29:190
6496997245,0cyclictest2215-21ssh11:02:050
6496997239,0cyclictest6298-21rm11:13:000
6496997238,0cyclictest9069-21ssh12:37:360
6496997235,0cyclictest22380-21ssh10:29:290
6496997234,0cyclictest24234-21ssh11:57:150
6496997145,0cyclictest17391-21latency_hist08:20:000
6496997140,0cyclictest19246-21rm11:45:250
6496997139,0cyclictest4881-21runrttasks09:43:080
6496997055,0cyclictest10380-21sshd07:33:340
6496997052,0cyclictest4189-21rm11:06:580
6496997052,0cyclictest3657-21munin-run12:25:000
6496997050,0cyclictest20490-21ssh10:24:050
6496997049,0cyclictest15460-21ssh11:36:420
6496997047,0cyclictest30307-21ssh10:50:250
6496997046,0cyclictest21759-21ssh11:51:220
6496997031,0cyclictest5363-21ssh12:29:030
6496996954,0cyclictest602-21ssh10:58:030
6496996947,0cyclictest23986-21ssh10:33:460
6496996947,0cyclictest11374-21ssh11:26:310
6496996855,0cyclictest81850irq/46-4a10000010:11:000
6496996849,0cyclictest13210-21ssh10:04:580
6496996845,0cyclictest9703-21runrttasks09:55:340
6496996845,0cyclictest17754-21ssh10:16:450
6496996750,0cyclictest12385-21seq07:46:510
6496996745,0cyclictest9-21ksoftirqd/010:35:060
6496996745,0cyclictest32502-21sshd12:16:320
6496996736,0cyclictest28466-21ssh12:07:060
6496996651,0cyclictest24783-21ssh09:10:040
6496996650,0cyclictest6500-21ssh09:47:310
6496996649,0cyclictest3741-21ssh09:40:050
6496996647,0cyclictest20332-21munin-run08:40:020
6496996644,0cyclictest30007-21ssh10:49:540
6496996545,0cyclictest7423-21irqstats07:15:080
6496996536,0cyclictest9533-21sshd07:27:330
6496996448,0cyclictest22532-21munin-run08:55:010
6496996445,0cyclictest23288-21lockfile-create09:00:020
6496996443,0cyclictest9125-21munin-run07:25:020
6496996442,0cyclictest11498-21sshd07:40:330
6496996437,0cyclictest23695-21sshd09:02:340
6496996348,0cyclictest21804-21munin-run08:50:010
6496996347,0cyclictest18870-21munin-run08:30:020
6496996346,0cyclictest16453-21munin-run08:15:020
6496996346,0cyclictest13512-21apt07:55:000
6496996344,0cyclictest20445-21sort08:40:040
6496996343,0cyclictest7207-21apt07:15:010
6496996335,0cyclictest18140-21munin-plugin-st08:25:010
6496996242,0cyclictest81950irq/47-4a10000008:00:030
6496996241,0cyclictest15561-21runrttasks08:08:490
6496996240,0cyclictest14802-21sshd08:03:340
6496996236,0cyclictest8723-21kworker/u2:007:40:020
6496996144,0cyclictest19594-21munin-run08:35:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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