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2025-12-03 - 16:02

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 the highest latencies:
System rack8slot7s.osadl.org (updated Wed Dec 03, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8004992018,2cyclictest55650irq/125-lan22:29:270
8004992018,1cyclictest55650irq/125-lan23:10:580
8004992018,1cyclictest55650irq/125-lan20:39:590
8004991919,0cyclictest55650irq/125-lan23:01:480
8004991918,1cyclictest55650irq/125-lan23:55:190
8004991918,1cyclictest55650irq/125-lan23:49:300
8004991918,1cyclictest55650irq/125-lan23:41:120
8004991918,1cyclictest55650irq/125-lan23:30:170
8004991918,1cyclictest55650irq/125-lan23:20:400
8004991918,1cyclictest55650irq/125-lan22:56:070
8004991918,1cyclictest55650irq/125-lan22:14:280
8004991918,1cyclictest55650irq/125-lan22:05:520
8004991918,1cyclictest55650irq/125-lan21:49:190
8004991918,1cyclictest55650irq/125-lan21:40:200
8004991918,1cyclictest55650irq/125-lan21:18:100
8004991918,1cyclictest55650irq/125-lan21:08:230
8004991918,1cyclictest55650irq/125-lan21:02:520
8004991918,1cyclictest55650irq/125-lan20:44:020
8004991918,1cyclictest55650irq/125-lan20:22:490
8004991918,1cyclictest55650irq/125-lan19:26:220
8004991918,1cyclictest55650irq/125-lan19:11:560
8004991918,1cyclictest55650irq/125-lan00:33:510
8004991918,1cyclictest55650irq/125-lan00:23:150
8004991918,1cyclictest55650irq/125-lan00:17:580
8004991918,1cyclictest55650irq/125-lan00:14:010
8004991917,1cyclictest55650irq/125-lan22:22:060
8004991917,1cyclictest55650irq/125-lan00:25:190
8004991818,0cyclictest55650irq/125-lan22:00:240
8004991818,0cyclictest55650irq/125-lan21:57:510
8004991818,0cyclictest55650irq/125-lan21:20:150
8004991817,1cyclictest55650irq/125-lan23:54:460
8004991817,1cyclictest55650irq/125-lan23:39:050
8004991817,1cyclictest55650irq/125-lan23:26:250
8004991817,1cyclictest55650irq/125-lan23:18:190
8004991817,1cyclictest55650irq/125-lan23:05:270
8004991817,1cyclictest55650irq/125-lan22:50:140
8004991817,1cyclictest55650irq/125-lan22:39:110
8004991817,1cyclictest55650irq/125-lan22:32:210
8004991817,1cyclictest55650irq/125-lan22:17:210
8004991817,1cyclictest55650irq/125-lan21:50:300
8004991817,1cyclictest55650irq/125-lan21:37:520
8004991817,1cyclictest55650irq/125-lan21:31:190
8004991817,1cyclictest55650irq/125-lan21:27:010
8004991817,1cyclictest55650irq/125-lan19:41:360
8004991817,1cyclictest55650irq/125-lan00:35:160
8004991816,2cyclictest55650irq/125-lan21:10:130
8004991716,1cyclictest55650irq/125-lan22:46:190
8004991716,1cyclictest55650irq/125-lan22:41:500
8004991716,1cyclictest55650irq/125-lan20:55:020
8004991716,1cyclictest55650irq/125-lan20:45:230
8004991716,1cyclictest55650irq/125-lan20:15:210
8004991716,1cyclictest55650irq/125-lan19:55:000
8004991716,1cyclictest55650irq/125-lan19:51:030
8004991716,1cyclictest55650irq/125-lan19:31:080
8004991716,1cyclictest55650irq/125-lan00:06:040
8004991716,1cyclictest55650irq/125-lan00:00:140
8004991615,1cyclictest55650irq/125-lan20:50:210
8004991615,1cyclictest55650irq/125-lan20:10:060
8004991615,1cyclictest55650irq/125-lan20:09:050
8004991615,1cyclictest55650irq/125-lan20:01:230
8004991615,1cyclictest55650irq/125-lan19:49:030
8004991615,1cyclictest55650irq/125-lan19:35:250
8004991615,1cyclictest55650irq/125-lan19:24:420
8004991414,0cyclictest55650irq/125-lan19:15:120
8004991413,1cyclictest55650irq/125-lan20:32:130
8004991413,1cyclictest55650irq/125-lan20:25:190
8006991313,0cyclictest294-21hwrng22:22:301
8006991313,0cyclictest294-21hwrng22:10:121
800699109,1cyclictest703-21snmpd00:26:531
8006991010,0cyclictest294-21hwrng20:27:491
800699100,10cyclictest17092-21taskset23:11:521
80069999,0cyclictest703-21snmpd00:24:561
80069999,0cyclictest27401-21kworker/1:0+events21:02:221
80069998,1cyclictest703-21snmpd23:25:151
80069998,1cyclictest703-21snmpd21:38:231
80069998,1cyclictest703-21snmpd21:14:241
80069998,1cyclictest703-21snmpd20:15:201
80069998,1cyclictest703-21snmpd19:14:261
80069998,1cyclictest294-21hwrng23:43:231
80069997,1cyclictest25377-21fschecks_time19:55:131
80069996,2cyclictest703-21snmpd23:51:031
80069996,2cyclictest703-21snmpd22:50:591
80069996,2cyclictest703-21snmpd22:18:301
80069996,2cyclictest703-21snmpd20:56:431
80069996,2cyclictest703-21snmpd00:18:321
80069995,2cyclictest703-21snmpd00:35:581
80069988,0cyclictest703-21snmpd21:17:331
80069988,0cyclictest703-21snmpd20:49:151
80069988,0cyclictest703-21snmpd20:02:131
80069988,0cyclictest703-21snmpd19:45:011
80069988,0cyclictest294-21hwrng23:16:451
80069988,0cyclictest294-21hwrng21:56:531
80069988,0cyclictest27401-21kworker/1:0+events23:30:371
80069987,1cyclictest703-21snmpd21:54:081
80069987,1cyclictest703-21snmpd21:33:441
80069987,1cyclictest703-21snmpd19:31:031
80069987,1cyclictest703-21snmpd19:29:211
80069987,1cyclictest294-21hwrng22:47:041
80069987,1cyclictest1057-21gltestperf00:00:141
80069986,2cyclictest703-21snmpd22:30:091
80069986,2cyclictest703-21snmpd20:53:371
80069986,2cyclictest703-21snmpd19:52:421
80069986,2cyclictest681-21ntpd22:38:451
80069986,2cyclictest24896-21cat21:45:151
80069986,2cyclictest10849-21mailstats00:10:201
80069985,3cyclictest703-21snmpd20:35:141
80069985,2cyclictest703-21snmpd21:23:101
80069985,2cyclictest703-21snmpd20:06:551
80069984,4cyclictest20299-21sed19:40:191
80069984,3cyclictest25676-21ntpq23:20:161
80069977,0cyclictest294-21hwrng23:01:241
80069977,0cyclictest294-21hwrng22:55:161
80069977,0cyclictest294-21hwrng22:05:051
80069977,0cyclictest294-21hwrng21:40:311
80069977,0cyclictest294-21hwrng20:43:091
80069977,0cyclictest294-21hwrng19:39:411
80069977,0cyclictest294-21hwrng19:20:131
80069977,0cyclictest294-21hwrng00:30:291
80069977,0cyclictest294-21hwrng00:06:561
80069976,1cyclictest703-21snmpd22:02:171
80069976,1cyclictest703-21snmpd21:07:281
80069976,1cyclictest703-21snmpd20:11:321
80069976,1cyclictest17195-21pmu-power22:40:191
80069976,1cyclictest0-21swapper/123:05:011
80069975,1cyclictest703-21snmpd20:23:291
80069974,2cyclictest703-21snmpd23:55:031
80069966,0cyclictest703-21snmpd23:35:121
80069966,0cyclictest294-21hwrng21:25:081
80069966,0cyclictest294-21hwrng19:17:081
80069966,0cyclictest27401-21kworker/1:0+events20:32:291
80069954,1cyclictest0-21swapper/122:25:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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