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2025-07-01 - 03:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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 rack0slot1s.osadl.org (updated Tue Jul 01, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1541299141140,0cyclictest21-21ksoftirqd/123:36:281
1541899132126,5cyclictest29-21ksoftirqd/220:35:552
1541899132126,5cyclictest29-21ksoftirqd/220:35:542
15446991310,130cyclictest0-21swapper/700:14:077
15446991310,130cyclictest0-21swapper/700:14:067
1542399131130,0cyclictest37-21ksoftirqd/320:38:303
1542399131130,0cyclictest37-21ksoftirqd/320:38:303
1544299130128,1cyclictest0-21swapper/623:11:076
1542999130126,3cyclictest0-21swapper/421:13:574
15435991290,128cyclictest0-21swapper/522:37:475
15429991290,128cyclictest0-21swapper/421:40:584
15446991280,127cyclictest0-21swapper/722:02:237
15442991280,127cyclictest0-21swapper/621:14:396
1543599128127,1cyclictest0-21swapper/519:38:245
1543599128126,1cyclictest53-21ksoftirqd/520:34:105
1543599128126,1cyclictest53-21ksoftirqd/520:34:095
1541899128124,3cyclictest29-21ksoftirqd/220:13:532
1544699127126,1cyclictest0-21swapper/700:00:077
15435991270,126cyclictest0-21swapper/521:23:515
1542999127125,1cyclictest0-21swapper/421:04:354
1542999127125,1cyclictest0-21swapper/400:09:204
1542999127124,2cyclictest0-21swapper/423:45:274
1542999127124,2cyclictest0-21swapper/422:05:244
1542999127124,2cyclictest0-21swapper/420:26:214
1542999127124,2cyclictest0-21swapper/420:26:214
1542399127127,0cyclictest37-21ksoftirqd/321:00:183
1542399127122,4cyclictest37-21ksoftirqd/322:28:483
1541899127122,4cyclictest29-21ksoftirqd/200:12:572
1541899127122,4cyclictest29-21ksoftirqd/200:12:572
15446991260,125cyclictest0-21swapper/719:54:497
1544299126124,1cyclictest61-21ksoftirqd/622:22:146
1544299126124,1cyclictest0-21swapper/621:29:466
1543599126124,1cyclictest0-21swapper/522:43:025
1543599126120,1cyclictest0-21swapper/521:14:145
1542399126124,1cyclictest37-21ksoftirqd/323:11:073
1541899126125,0cyclictest29-21ksoftirqd/223:15:112
1541899126122,4cyclictest29-21ksoftirqd/221:31:372
1544299125123,1cyclictest0-21swapper/619:37:136
1542999125124,1cyclictest0-21swapper/422:10:194
1541899125125,0cyclictest29-21ksoftirqd/219:54:012
1541899125125,0cyclictest29-21ksoftirqd/219:24:112
1544699124123,1cyclictest0-21swapper/721:39:297
1544699124122,1cyclictest9108-21chk_conn_tcp20:30:227
1544699124122,1cyclictest9108-21chk_conn_tcp20:30:227
1544699124122,1cyclictest0-21swapper/720:42:047
1543599124122,1cyclictest0-21swapper/521:07:115
1542399124123,0cyclictest37-21ksoftirqd/320:33:543
1542399124123,0cyclictest37-21ksoftirqd/320:33:543
1542399124122,1cyclictest37-21ksoftirqd/321:58:583
1541899124124,0cyclictest29-21ksoftirqd/220:42:422
1541299124124,0cyclictest21-21ksoftirqd/123:00:521
1541299124122,1cyclictest21-21ksoftirqd/122:54:471
1541299124122,1cyclictest21-21ksoftirqd/100:34:321
1540199124122,1cyclictest3-21ksoftirqd/000:21:180
1544699123121,1cyclictest15493-21chk_conn_tcp00:34:427
1544299123121,1cyclictest866-21kernelversion21:00:176
1542399123123,0cyclictest37-21ksoftirqd/321:35:433
1541899123123,0cyclictest29-21ksoftirqd/219:47:112
1541899123122,0cyclictest29-21ksoftirqd/220:02:012
1541899123121,1cyclictest29-21ksoftirqd/223:29:222
1541299123123,0cyclictest21-21ksoftirqd/120:10:541
1540199123122,0cyclictest3-21ksoftirqd/021:45:350
1544699122121,1cyclictest0-21swapper/723:15:007
1544699122121,1cyclictest0-21swapper/721:46:517
1542999122120,1cyclictest5630-21ssh23:38:354
1542999122120,1cyclictest0-21swapper/420:01:234
1542399122121,1cyclictest37-21ksoftirqd/300:06:103
1542399122120,1cyclictest37-21ksoftirqd/320:08:043
1541899122121,1cyclictest29-21ksoftirqd/222:02:172
1544699121118,2cyclictest0-21swapper/720:04:457
1542999121118,2cyclictest0-21swapper/420:13:474
1541899121120,0cyclictest29-21ksoftirqd/222:19:412
1540199121120,0cyclictest3-21ksoftirqd/020:33:380
1540199121120,0cyclictest3-21ksoftirqd/020:33:380
1540199121120,0cyclictest3-21ksoftirqd/019:50:560
1544299120117,2cyclictest0-21swapper/619:57:296
1543599120119,1cyclictest0-21swapper/522:49:105
1543599120119,0cyclictest190750irq/36-eth1-rx-20:22:205
1541299120120,0cyclictest21-21ksoftirqd/100:17:181
1541299120120,0cyclictest21-21ksoftirqd/100:17:171
1540199120120,0cyclictest3-21ksoftirqd/023:46:460
1544299119117,1cyclictest3674-21chk_conn_tcp23:40:406
1544299119117,1cyclictest0-21swapper/621:41:496
1544299119117,1cyclictest0-21swapper/600:26:026
1544299119116,2cyclictest0-21swapper/621:15:286
15442991190,118cyclictest0-21swapper/623:26:216
1543599119119,0cyclictest53-21ksoftirqd/520:29:215
1543599119119,0cyclictest53-21ksoftirqd/520:29:215
1543599119118,1cyclictest0-21swapper/523:25:025
1543599119118,1cyclictest0-21swapper/523:00:015
1543599119118,1cyclictest0-21swapper/520:07:155
1542399119118,0cyclictest37-21ksoftirqd/323:06:503
1541899119118,0cyclictest29-21ksoftirqd/220:51:422
1540199119118,1cyclictest0-21swapper/020:06:240
1540199119114,4cyclictest3-21ksoftirqd/021:41:500
1544699118117,1cyclictest0-21swapper/720:18:587
1544299118116,1cyclictest0-21swapper/620:49:586
1543599118115,2cyclictest0-21swapper/521:16:245
1542399118117,0cyclictest37-21ksoftirqd/321:42:543
1542399118116,1cyclictest37-21ksoftirqd/322:55:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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