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2025-09-16 - 07:28

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rack8slot7s.osadl.org (updated Tue Sep 16, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20591992119,1cyclictest55650irq/125-lan21:40:130
20591991918,1cyclictest55650irq/125-lan23:40:180
20591991918,1cyclictest55650irq/125-lan23:34:050
20591991918,1cyclictest55650irq/125-lan23:26:490
20591991918,1cyclictest55650irq/125-lan22:58:190
20591991918,1cyclictest55650irq/125-lan22:46:420
20591991918,1cyclictest55650irq/125-lan22:40:150
20591991918,1cyclictest55650irq/125-lan22:36:330
20591991918,1cyclictest55650irq/125-lan22:26:120
20591991918,1cyclictest55650irq/125-lan22:10:180
20591991918,1cyclictest55650irq/125-lan22:02:490
20591991918,1cyclictest55650irq/125-lan21:57:320
20591991918,1cyclictest55650irq/125-lan21:45:250
20591991918,1cyclictest55650irq/125-lan21:25:370
20591991918,1cyclictest55650irq/125-lan21:10:320
20591991918,1cyclictest55650irq/125-lan20:56:590
20591991918,1cyclictest55650irq/125-lan20:41:400
20591991918,1cyclictest55650irq/125-lan20:28:380
20591991918,1cyclictest55650irq/125-lan00:31:450
20591991918,1cyclictest55650irq/125-lan00:17:130
20591991917,1cyclictest55650irq/125-lan23:50:160
20591991917,1cyclictest55650irq/125-lan20:37:510
20591991818,0cyclictest55650irq/125-lan23:55:190
20591991818,0cyclictest55650irq/125-lan22:50:370
20591991818,0cyclictest55650irq/125-lan22:06:050
20591991818,0cyclictest55650irq/125-lan00:28:180
20591991817,1cyclictest55650irq/125-lan23:45:210
20591991817,1cyclictest55650irq/125-lan23:35:130
20591991817,1cyclictest55650irq/125-lan23:21:150
20591991817,1cyclictest55650irq/125-lan23:17:450
20591991817,1cyclictest55650irq/125-lan23:14:440
20591991817,1cyclictest55650irq/125-lan23:06:270
20591991817,1cyclictest55650irq/125-lan23:00:190
20591991817,1cyclictest55650irq/125-lan22:34:100
20591991817,1cyclictest55650irq/125-lan21:53:460
20591991817,1cyclictest55650irq/125-lan21:36:090
20591991817,1cyclictest55650irq/125-lan21:30:220
20591991817,1cyclictest55650irq/125-lan21:20:060
20591991817,1cyclictest55650irq/125-lan20:47:570
20591991817,1cyclictest55650irq/125-lan20:17:550
20591991817,1cyclictest55650irq/125-lan19:45:340
20591991817,1cyclictest55650irq/125-lan19:40:200
20591991817,1cyclictest55650irq/125-lan19:38:360
20591991817,1cyclictest55650irq/125-lan19:22:010
20591991817,1cyclictest55650irq/125-lan00:20:120
20591991817,1cyclictest55650irq/125-lan00:12:430
20591991817,1cyclictest55650irq/125-lan00:05:590
20591991816,1cyclictest55650irq/125-lan21:15:160
20591991717,0cyclictest55650irq/125-lan19:30:290
20591991716,1cyclictest55650irq/125-lan22:20:440
20591991716,1cyclictest55650irq/125-lan22:15:300
20591991716,1cyclictest55650irq/125-lan21:01:500
20591991716,1cyclictest55650irq/125-lan20:05:470
20591991716,1cyclictest55650irq/125-lan19:26:230
20591991716,1cyclictest55650irq/125-lan00:35:000
20591991716,1cyclictest55650irq/125-lan00:02:010
20591991616,0cyclictest55650irq/125-lan20:20:110
20591991615,1cyclictest55650irq/125-lan21:08:450
20591991615,1cyclictest55650irq/125-lan20:30:120
20591991615,1cyclictest55650irq/125-lan20:12:440
20591991615,1cyclictest55650irq/125-lan20:01:570
20591991514,1cyclictest55650irq/125-lan20:52:100
20591991413,1cyclictest55650irq/125-lan19:50:370
20591991413,1cyclictest55650irq/125-lan19:18:270
20594991313,0cyclictest294-21hwrng19:40:351
20591991313,0cyclictest55650irq/125-lan19:56:100
20594991211,1cyclictest20940-21kworker/1:2+events22:37:311
20591991211,1cyclictest55650irq/125-lan19:10:130
205949999,0cyclictest294-21hwrng19:20:071
205949998,1cyclictest703-21snmpd21:49:301
205949998,1cyclictest703-21snmpd21:30:021
205949996,2cyclictest703-21snmpd23:45:181
205949996,2cyclictest703-21snmpd23:07:171
205949996,2cyclictest703-21snmpd21:13:441
205949996,2cyclictest703-21snmpd20:50:421
205949996,2cyclictest703-21snmpd19:47:321
205949996,2cyclictest703-21snmpd19:34:341
205949996,2cyclictest703-21snmpd00:04:161
205949988,0cyclictest703-21snmpd23:50:161
205949988,0cyclictest703-21snmpd23:38:361
205949988,0cyclictest703-21snmpd23:10:561
205949988,0cyclictest703-21snmpd22:43:231
205949988,0cyclictest703-21snmpd22:24:101
205949988,0cyclictest703-21snmpd21:43:181
205949988,0cyclictest703-21snmpd20:46:251
205949988,0cyclictest703-21snmpd20:38:461
205949988,0cyclictest294-21hwrng23:40:121
205949988,0cyclictest294-21hwrng22:47:591
205949988,0cyclictest294-21hwrng22:34:401
205949988,0cyclictest294-21hwrng22:06:001
205949988,0cyclictest294-21hwrng21:05:351
205949988,0cyclictest294-21hwrng20:27:421
205949988,0cyclictest294-21hwrng20:17:271
205949988,0cyclictest294-21hwrng20:12:191
205949988,0cyclictest294-21hwrng19:19:051
205949988,0cyclictest294-21hwrng19:10:541
205949988,0cyclictest294-21hwrng00:19:071
205949988,0cyclictest20940-21kworker/1:2+tpm_dev_wq20:55:261
205949987,1cyclictest703-21snmpd23:59:251
205949987,1cyclictest703-21snmpd21:38:541
205949987,1cyclictest703-21snmpd21:01:261
205949987,1cyclictest3475-21acpi19:50:121
205949987,1cyclictest25711-21threads00:25:251
205949987,1cyclictest20940-21kworker/1:2+events19:26:141
205949987,1cyclictest17687-21xargs22:00:241
205949987,1cyclictest1043-21sendmail_mailqu22:50:201
205949986,2cyclictest703-21snmpd23:29:061
205949986,2cyclictest703-21snmpd22:57:501
205949986,2cyclictest703-21snmpd21:56:211
205949986,2cyclictest703-21snmpd20:30:101
205949986,2cyclictest703-21snmpd19:35:141
205949986,1cyclictest703-21snmpd00:06:371
205949985,3cyclictest29372-21apt-get23:20:131
205949977,0cyclictest294-21hwrng21:16:511
205949977,0cyclictest294-21hwrng20:43:031
205949977,0cyclictest294-21hwrng00:36:311
205949977,0cyclictest294-21hwrng00:32:261
205949977,0cyclictest294-21hwrng00:24:141
205949976,1cyclictest703-21snmpd23:33:541
205949976,1cyclictest703-21snmpd21:52:481
205949976,1cyclictest703-21snmpd21:20:051
205949976,1cyclictest294-21hwrng00:10:551
205949976,1cyclictest25236-21threads23:15:221
205949976,1cyclictest20940-21kworker/1:2+events22:25:271
205949975,2cyclictest703-21snmpd20:02:451
205949975,1cyclictest703-21snmpd22:15:191
205949975,1cyclictest10068-21cat23:00:161
205949973,3cyclictest703-21snmpd21:25:421
205949966,0cyclictest294-21hwrng20:20:321
205949966,0cyclictest294-21hwrng20:06:101
205949965,1cyclictest26424-21gltestperf22:10:141
205949963,2cyclictest703-21snmpd19:56:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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