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2025-01-14 - 07:38

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 Tue Jan 14, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3039822890,3sleep20-21swapper/219:10:072
3039822890,3sleep20-21swapper/219:10:072
66902900,6sleep23126599cyclictest21:59:152
296052810,2sleep10-21swapper/123:20:011
296052810,2sleep10-21swapper/123:20:011
8792800,7sleep13126499cyclictest22:38:351
3126399731,25cyclictest30072-21ls21:44:530
3126399731,25cyclictest30072-21ls21:44:530
3126499665,10cyclictest7950irq/56-dwc_otg21:39:491
3126399663,32cyclictest0-21swapper/019:14:400
31263996515,27cyclictest27094-21munin-plugin-st00:04:390
3126399641,5cyclictest7203-21grep19:35:110
3126399632,11cyclictest0-21swapper/020:04:520
3126399631,20cyclictest2666-21ls19:24:530
3126399611,5cyclictest0-21swapper/000:40:090
190632610,2sleep10-21swapper/122:16:491
3126499605,14cyclictest5332-21ssh22:44:491
3126499602,28cyclictest7950irq/56-dwc_otg22:24:521
3126399604,15cyclictest13-21rcuc/023:04:580
3126499596,9cyclictest7950irq/56-dwc_otg00:14:471
3126499584,6cyclictest7950irq/56-dwc_otg20:54:571
3126399581,33cyclictest0-21swapper/022:24:530
3126499573,14cyclictest8050irq/56-dwc_otg_22:19:481
3126399571,9cyclictest7440-21cut21:09:560
3126399571,7cyclictest5082-21latency_hist22:44:390
74482560,3sleep37447-21df_inode21:59:573
3126399563,30cyclictest131-21systemd-journal19:34:380
31263995629,11cyclictest8150irq/56-dwc_otg_19:55:120
3126399562,33cyclictest22406-21latency_hist21:34:390
31263995615,22cyclictest8659-21grep19:40:030
31263995615,21cyclictest31247-21sh22:35:020
62912550,2sleep30-21swapper/321:58:203
31263995534,6cyclictest8050irq/56-dwc_otg_19:54:400
31263995534,6cyclictest8050irq/56-dwc_otg_19:54:400
31263995532,4cyclictest8150irq/56-dwc_otg_20:19:530
31263995523,5cyclictest28881-21fschecks_time20:39:570
3126399551,3cyclictest0-21swapper/000:34:500
31263995438,4cyclictest8050irq/56-dwc_otg_00:17:070
31263995430,21cyclictest101ktimersoftd/023:34:460
31263995424,5cyclictest8150irq/56-dwc_otg_23:54:390
3126399542,22cyclictest0-21swapper/000:14:390
3126399531,39cyclictest0-21swapper/022:20:110
3126399531,32cyclictest10651-21rm23:39:590
3126499526,9cyclictest8050irq/56-dwc_otg_23:54:471
3126399521,9cyclictest24354-21wget20:24:520
3126399521,17cyclictest0-21swapper/021:59:590
31266995120,5cyclictest9647-21latency_hist23:39:393
31264995135,10cyclictest12406-21idleruntime-cro21:19:381
31263995131,4cyclictest8150irq/56-dwc_otg_23:44:420
3126699502,23cyclictest8050irq/56-dwc_otg_23:39:563
3126699501,29cyclictest8050irq/56-dwc_otg_19:29:503
3126399505,22cyclictest16526-21unixbench-2d23:00:070
31263995027,8cyclictest0-21swapper/021:24:480
31263995024,6cyclictest11255-21cron22:54:390
31263995013,18cyclictest3422-21latency_hist21:54:390
3126399501,30cyclictest17265-21fschecks_count22:14:510
3126399501,27cyclictest1932-21cut20:55:010
31263994934,6cyclictest101ktimersoftd/020:14:390
3126399493,35cyclictest1763-21kworker/0:123:33:430
31263994924,7cyclictest1292-21runrttasks22:13:180
31263994924,10cyclictest8050irq/56-dwc_otg_20:44:570
31263994916,21cyclictest0-21swapper/019:44:570
3126399491,40cyclictest0-21swapper/022:44:490
3126599487,8cyclictest0-21swapper/223:04:452
3126599483,29cyclictest0-21swapper/219:14:412
31263994832,3cyclictest0-21swapper/021:19:520
3126399481,7cyclictest5058-21fschecks_time00:19:570
3126399481,44cyclictest13766-21latency_hist00:34:400
31263994814,15cyclictest8686-21diskmemload22:06:210
3126399481,28cyclictest530-21grep20:49:590
31263994810,20cyclictest131-21systemd-journal21:56:240
3126499477,26cyclictest0-21swapper/119:59:431
31263994731,4cyclictest8050irq/56-dwc_otg_21:40:070
31263994718,17cyclictest3498-21latency_hist23:29:380
3126399471,30cyclictest25894-21ntpq23:14:580
3126399471,27cyclictest29211-21tune2fs23:19:560
3126399471,27cyclictest29211-21tune2fs23:19:560
3126399471,25cyclictest15993-21grep20:00:030
3126399471,18cyclictest8150irq/56-dwc_otg_21:34:460
31266994620,15cyclictest39-21ksoftirqd/323:04:583
3126599463,8cyclictest8050irq/56-dwc_otg_23:59:522
3126499467,27cyclictest0-21swapper/120:38:251
31263994618,19cyclictest0-21swapper/020:59:540
31263994613,15cyclictest9-21ksoftirqd/022:54:560
3126499459,9cyclictest21-21rcuc/121:34:491
3126499455,9cyclictest0-21swapper/121:59:521
3126499453,9cyclictest0-21swapper/100:34:471
31263994524,5cyclictest7950irq/56-dwc_otg00:08:520
31263994524,13cyclictest0-21swapper/020:14:530
31263994517,16cyclictest0-21swapper/019:19:510
3126399451,6cyclictest11730-21ssh21:18:100
3126399447,22cyclictest0-21swapper/023:54:470
3126399446,26cyclictest9-21ksoftirqd/023:12:520
31263994419,14cyclictest0-21swapper/021:05:030
31263994419,14cyclictest0-21swapper/021:05:030
3126399441,24cyclictest0-21swapper/020:34:560
3126399441,22cyclictest8575-21tune2fs00:24:580
306702442,36sleep00-21swapper/019:10:350
306702442,36sleep00-21swapper/019:10:350
64822430,5sleep23126599cyclictest19:35:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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