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2024-11-24 - 08:02

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #3

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: 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 rack7slot3s.osadl.org (updated Sun Nov 24, 2024 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1272821870,5sleep12884099cyclictest23:28:531
2883999932,31cyclictest11-21rcu_preempt21:19:220
2883999886,65cyclictest0-21swapper/020:04:240
2883999886,65cyclictest0-21swapper/020:04:240
2883999876,72cyclictest0-21swapper/020:29:260
188622850,2sleep20-21swapper/222:54:122
2883999806,30cyclictest0-21swapper/023:24:180
2883999787,43cyclictest0-21swapper/021:39:240
2883999787,43cyclictest0-21swapper/021:39:240
94362770,3sleep29433-21ssh23:24:232
2883999777,60cyclictest0-21swapper/022:04:260
295652760,1sleep20-21swapper/223:08:132
2883999761,32cyclictest0-21swapper/020:09:210
28840997511,22cyclictest0-21swapper/123:09:231
28839997524,12cyclictest0-21swapper/020:44:220
266682750,7sleep30-21swapper/323:46:223
89142740,2sleep20-21swapper/219:49:122
322042740,2sleep232202-21ssh22:29:122
322042740,2sleep232202-21ssh22:29:122
2883999731,37cyclictest0-21swapper/021:04:240
28840997213,21cyclictest0-21swapper/100:14:261
52652700,2sleep10-21swapper/121:53:491
2884099697,25cyclictest0-21swapper/120:34:241
284692673,11sleep10-21swapper/119:12:531
2883999657,41cyclictest9-21ksoftirqd/023:59:350
28839996417,5cyclictest23220-21cut21:34:320
2883999641,47cyclictest2214-21cut20:59:300
2884199631,12cyclictest0-21swapper/221:49:232
2883999633,15cyclictest101ktimersoftd/000:29:390
2884299626,41cyclictest8050irq/56-dwc_otg_23:24:363
28841996225,34cyclictest30294-21latency_hist21:44:122
28841996225,34cyclictest30294-21latency_hist21:44:122
2883999621,23cyclictest0-21swapper/020:54:230
2883999621,23cyclictest0-21swapper/020:54:230
2884299611,7cyclictest989-21unixbench_singl23:54:453
2884299611,5cyclictest8150irq/56-dwc_otg_00:19:123
2884099617,11cyclictest0-21swapper/100:34:261
28839996146,5cyclictest8050irq/56-dwc_otg_00:39:110
28839996116,19cyclictest0-21swapper/023:09:230
2883999611,5cyclictest7081-21munin-run21:14:110
2884299608,9cyclictest15012-21cut22:49:113
2884199606,5cyclictest8050irq/56-dwc_otg_22:19:122
2884199601,5cyclictest7070-21apt-get21:14:152
2884199601,5cyclictest7070-21apt-get21:14:152
2884199601,4cyclictest13378-21ntp_states19:59:372
28839996026,18cyclictest25423-21aten_rbpower_vo20:34:250
28839996014,27cyclictest13-21rcuc/019:49:120
2884299596,18cyclictest8150irq/56-dwc_otg_23:59:233
2884299591,4cyclictest8050irq/56-dwc_otg_22:54:423
28842995910,4cyclictest15618-21fschecks_time22:49:303
2884199596,11cyclictest8150irq/56-dwc_otg_21:54:332
2884199596,11cyclictest8150irq/56-dwc_otg_21:54:332
2884199593,4cyclictest0-21swapper/222:07:232
2884199591,6cyclictest21667-21latency_hist20:24:122
28841995910,4cyclictest32121-21rm23:54:232
2883999597,33cyclictest0-21swapper/022:39:420
2883999596,35cyclictest13-21rcuc/019:54:290
2883999593,53cyclictest0-21swapper/019:14:220
2883999593,53cyclictest0-21swapper/019:14:220
2883999592,40cyclictest0-21swapper/021:24:380
2883999591,49cyclictest2122-21kworker/0:100:15:490
2883999591,41cyclictest32751-21cut19:24:290
2883999591,41cyclictest0-21swapper/022:24:230
2883999591,41cyclictest0-21swapper/022:24:230
2884299583,7cyclictest8150irq/56-dwc_otg_00:29:413
2884299583,12cyclictest8150irq/56-dwc_otg_23:19:113
2884299581,4cyclictest8150irq/56-dwc_otg_00:19:313
2884299581,4cyclictest8150irq/56-dwc_otg_00:19:313
2884199582,6cyclictest27504-21unixbench_singl00:29:412
28841995815,5cyclictest20871-21wget23:39:262
2883999589,41cyclictest0-21swapper/023:34:280
2884299575,11cyclictest7950irq/56-dwc_otg21:41:093
2884299575,11cyclictest7950irq/56-dwc_otg21:41:093
2884199575,11cyclictest8150irq/56-dwc_otg_19:44:122
2884199572,44cyclictest0-21swapper/222:41:022
2884199571,6cyclictest24556-21taskset20:29:402
2884199571,6cyclictest18972-21/usr/sbin/munin21:29:322
2884199571,5cyclictest29113-21taskset23:49:352
2883999577,3cyclictest0-21swapper/023:04:120
28839995723,16cyclictest20645-21ps20:19:370
2883999572,30cyclictest5406-21grep19:39:120
2883999572,29cyclictest9409-21latency_hist21:59:120
2883999572,29cyclictest9409-21latency_hist21:59:120
2884199566,6cyclictest8050irq/56-dwc_otg_19:49:282
2884199562,4cyclictest8150irq/56-dwc_otg_22:54:312
28839995623,9cyclictest0-21swapper/022:54:260
2883999561,39cyclictest15581-21fschecks_time22:49:300
2883999561,31cyclictest2208-21ssh00:39:430
2884299554,11cyclictest8150irq/56-dwc_otg_20:49:123
28842995514,37cyclictest24000-21grep22:59:413
2884299551,3cyclictest8150irq/56-dwc_otg_19:49:303
2884299551,3cyclictest0-21swapper/321:24:243
28842995513,32cyclictest19068-1kworker/u9:221:29:493
2884199553,5cyclictest24317-21runrttasks23:00:092
2884199551,5cyclictest5197-21idleruntime-cro23:19:112
28840995511,15cyclictest60-21kswapd022:59:231
28839995528,17cyclictest7578-21fschecks_time00:04:300
28839995527,16cyclictest0-21swapper/000:12:050
28839995527,14cyclictest0-21swapper/022:39:120
28839995526,16cyclictest8050irq/56-dwc_otg_00:19:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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