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2025-11-08 - 08:18

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 Sat Nov 08, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27614992020,0cyclictest55650irq/125-lan23:54:561
27614992020,0cyclictest55650irq/125-lan23:46:431
27614992019,1cyclictest55650irq/125-lan21:43:041
27614992019,1cyclictest55650irq/125-lan21:34:371
27614992018,1cyclictest55650irq/125-lan21:12:511
27614991919,0cyclictest55650irq/125-lan23:02:121
27614991919,0cyclictest55650irq/125-lan21:37:191
27614991918,1cyclictest55650irq/125-lan23:41:461
27614991918,1cyclictest55650irq/125-lan22:48:261
27614991918,1cyclictest55650irq/125-lan22:28:101
27614991918,1cyclictest55650irq/125-lan22:21:141
27614991918,1cyclictest55650irq/125-lan22:14:221
27614991918,1cyclictest55650irq/125-lan21:27:171
27614991918,1cyclictest55650irq/125-lan19:39:181
27614991918,1cyclictest55650irq/125-lan00:32:471
27614991918,1cyclictest55650irq/125-lan00:22:151
27614991918,1cyclictest55650irq/125-lan00:18:331
27614991918,1cyclictest55650irq/125-lan00:08:411
27614991918,1cyclictest55650irq/125-lan00:03:221
27614991818,0cyclictest55650irq/125-lan23:25:101
27614991818,0cyclictest55650irq/125-lan23:13:571
27614991818,0cyclictest55650irq/125-lan23:05:431
27614991818,0cyclictest55650irq/125-lan22:37:201
27614991818,0cyclictest55650irq/125-lan22:06:001
27614991818,0cyclictest55650irq/125-lan22:00:191
27614991818,0cyclictest55650irq/125-lan21:22:291
27614991818,0cyclictest55650irq/125-lan21:17:281
27614991818,0cyclictest55650irq/125-lan20:21:411
27614991818,0cyclictest55650irq/125-lan20:03:261
27614991818,0cyclictest55650irq/125-lan00:10:101
27614991817,1cyclictest55650irq/125-lan23:55:341
27614991817,1cyclictest55650irq/125-lan23:35:201
27614991817,1cyclictest55650irq/125-lan23:17:051
27614991817,1cyclictest55650irq/125-lan22:56:161
27614991817,1cyclictest55650irq/125-lan22:52:341
27614991817,1cyclictest55650irq/125-lan22:42:591
27614991817,1cyclictest55650irq/125-lan22:30:151
27614991817,1cyclictest55650irq/125-lan22:17:071
27614991817,1cyclictest55650irq/125-lan21:56:391
27614991817,1cyclictest55650irq/125-lan21:54:071
27614991817,1cyclictest55650irq/125-lan21:45:591
27614991817,1cyclictest55650irq/125-lan19:27:351
27614991817,1cyclictest55650irq/125-lan00:38:221
27614991717,0cyclictest55650irq/125-lan23:30:411
27614991717,0cyclictest55650irq/125-lan23:20:011
27614991717,0cyclictest55650irq/125-lan20:51:141
27614991717,0cyclictest55650irq/125-lan20:39:151
27614991717,0cyclictest55650irq/125-lan20:17:491
27614991717,0cyclictest55650irq/125-lan19:56:531
27614991717,0cyclictest55650irq/125-lan19:44:011
27614991716,1cyclictest55650irq/125-lan00:26:341
27614991616,0cyclictest55650irq/125-lan20:41:261
27614991616,0cyclictest55650irq/125-lan20:11:431
27614991616,0cyclictest55650irq/125-lan19:45:171
27614991616,0cyclictest294-21hwrng20:49:451
27614991615,1cyclictest55650irq/125-lan21:05:091
27614991615,1cyclictest55650irq/125-lan20:30:071
27614991615,1cyclictest55650irq/125-lan19:32:271
27614991615,1cyclictest294-21hwrng21:02:031
27614991515,0cyclictest55650irq/125-lan20:55:211
27614991515,0cyclictest55650irq/125-lan20:28:351
27614991515,0cyclictest55650irq/125-lan20:09:241
27614991514,1cyclictest55650irq/125-lan19:23:211
27614991514,1cyclictest55650irq/125-lan19:10:161
27614991414,0cyclictest55650irq/125-lan19:50:141
27614991413,1cyclictest55650irq/125-lan19:15:151
27610991414,0cyclictest294-21hwrng21:19:280
27610991111,0cyclictest294-21hwrng19:52:250
2761099109,1cyclictest703-21snmpd22:04:190
2761099109,1cyclictest433-21systemd-logind23:30:220
276109999,0cyclictest294-21hwrng22:57:460
276109998,1cyclictest703-21snmpd23:51:050
276109998,1cyclictest703-21snmpd20:26:070
276109998,1cyclictest703-21snmpd20:03:540
276109998,1cyclictest703-21snmpd00:08:470
276109998,1cyclictest386-21haveged23:25:520
276109998,1cyclictest294-21hwrng23:44:520
276109998,1cyclictest29412-21ntp_kernel_pll_21:30:160
276109996,3cyclictest703-21snmpd23:35:370
276109996,2cyclictest703-21snmpd22:22:550
276109996,2cyclictest703-21snmpd21:35:030
276109996,2cyclictest703-21snmpd20:10:020
276109988,0cyclictest703-21snmpd23:21:010
276109988,0cyclictest703-21snmpd20:18:060
276109988,0cyclictest703-21snmpd19:40:380
276109988,0cyclictest294-21hwrng23:06:590
276109988,0cyclictest294-21hwrng22:11:410
276109988,0cyclictest294-21hwrng21:55:180
276109988,0cyclictest294-21hwrng21:05:080
276109988,0cyclictest294-21hwrng20:22:070
276109988,0cyclictest294-21hwrng20:06:460
276109988,0cyclictest294-21hwrng19:56:310
276109988,0cyclictest294-21hwrng19:28:520
276109988,0cyclictest294-21hwrng00:30:570
276109987,1cyclictest703-21snmpd23:48:220
276109987,1cyclictest703-21snmpd21:53:520
276109987,1cyclictest703-21snmpd21:45:390
276109987,1cyclictest703-21snmpd20:55:530
276109987,1cyclictest294-21hwrng22:47:310
276109987,1cyclictest27602-21cyclictest20:40:180
276109986,2cyclictest703-21snmpd23:58:050
276109986,2cyclictest703-21snmpd21:20:260
276109986,2cyclictest703-21snmpd19:30:490
276109986,2cyclictest703-21snmpd00:21:030
276109985,2cyclictest703-21snmpd20:39:550
276109985,2cyclictest703-21snmpd00:18:090
276109984,3cyclictest2501-21ntpq22:40:190
276109977,0cyclictest703-21snmpd22:15:010
276109977,0cyclictest703-21snmpd22:05:340
276109977,0cyclictest294-21hwrng23:18:150
276109977,0cyclictest294-21hwrng23:02:530
276109977,0cyclictest294-21hwrng22:51:370
276109977,0cyclictest294-21hwrng22:32:100
276109977,0cyclictest294-21hwrng22:28:040
276109977,0cyclictest294-21hwrng20:30:190
276109977,0cyclictest294-21hwrng19:20:410
276109977,0cyclictest294-21hwrng19:13:310
276109977,0cyclictest294-21hwrng00:36:040
276109977,0cyclictest294-21hwrng00:01:150
276109976,1cyclictest703-21snmpd21:27:120
276109976,1cyclictest703-21snmpd00:11:090
276109976,1cyclictest4205-21/usr/sbin/munin00:25:170
276109976,1cyclictest31240-21latency_hist19:20:010
276109975,2cyclictest703-21snmpd23:10:150
276109975,2cyclictest703-21snmpd19:35:260
276109974,3cyclictest703-21snmpd21:41:510
276109974,2cyclictest703-21snmpd21:02:440
276109966,0cyclictest703-21snmpd19:47:050
276109966,0cyclictest294-21hwrng20:51:480
276109966,0cyclictest294-21hwrng20:47:430
276109963,3cyclictest10024-21ssh21:10:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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