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2025-11-30 - 14:07

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 792 highest latencies:
System rack8slot7s.osadl.org (updated Sun Nov 30, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13154991918,1cyclictest55650irq/125-lan23:55:220
13154991918,1cyclictest55650irq/125-lan23:47:270
13154991918,1cyclictest55650irq/125-lan23:44:190
13154991918,1cyclictest55650irq/125-lan23:30:130
13154991918,1cyclictest55650irq/125-lan23:24:160
13154991918,1cyclictest55650irq/125-lan22:58:450
13154991918,1cyclictest55650irq/125-lan22:50:150
13154991918,1cyclictest55650irq/125-lan22:40:170
13154991918,1cyclictest55650irq/125-lan22:30:220
13154991918,1cyclictest55650irq/125-lan22:25:080
13154991918,1cyclictest55650irq/125-lan22:05:060
13154991918,1cyclictest55650irq/125-lan21:46:210
13154991918,1cyclictest55650irq/125-lan21:29:380
13154991918,1cyclictest55650irq/125-lan00:29:150
13154991918,1cyclictest55650irq/125-lan00:20:260
13154991918,1cyclictest55650irq/125-lan00:17:470
13154991918,1cyclictest55650irq/125-lan00:05:180
13154991917,1cyclictest55650irq/125-lan00:00:140
13154991818,0cyclictest55650irq/125-lan23:15:290
13154991818,0cyclictest55650irq/125-lan22:45:240
13154991818,0cyclictest55650irq/125-lan21:10:510
13154991817,1cyclictest55650irq/125-lan23:51:460
13154991817,1cyclictest55650irq/125-lan23:37:170
13154991817,1cyclictest55650irq/125-lan23:27:170
13154991817,1cyclictest55650irq/125-lan23:01:310
13154991817,1cyclictest55650irq/125-lan22:36:570
13154991817,1cyclictest55650irq/125-lan22:22:490
13154991817,1cyclictest55650irq/125-lan22:15:070
13154991817,1cyclictest55650irq/125-lan22:10:330
13154991817,1cyclictest55650irq/125-lan21:57:200
13154991817,1cyclictest55650irq/125-lan21:52:040
13154991817,1cyclictest55650irq/125-lan21:42:440
13154991817,1cyclictest55650irq/125-lan21:36:160
13154991817,1cyclictest55650irq/125-lan21:30:430
13154991817,1cyclictest55650irq/125-lan21:21:220
13154991817,1cyclictest55650irq/125-lan20:27:340
13154991817,1cyclictest55650irq/125-lan00:38:120
13154991817,1cyclictest55650irq/125-lan00:12:390
13154991717,0cyclictest55650irq/125-lan21:15:130
13154991717,0cyclictest55650irq/125-lan20:58:440
13154991717,0cyclictest55650irq/125-lan00:30:030
13154991716,1cyclictest55650irq/125-lan23:10:130
13154991716,1cyclictest55650irq/125-lan23:05:220
13154991716,1cyclictest55650irq/125-lan22:00:490
13154991716,1cyclictest55650irq/125-lan21:06:090
13154991716,1cyclictest55650irq/125-lan20:50:140
13154991716,1cyclictest55650irq/125-lan20:24:290
13154991716,1cyclictest55650irq/125-lan20:13:510
13154991716,1cyclictest55650irq/125-lan19:51:590
13154991716,1cyclictest55650irq/125-lan19:18:340
13154991616,0cyclictest55650irq/125-lan20:48:280
13154991616,0cyclictest55650irq/125-lan19:47:390
13154991615,1cyclictest55650irq/125-lan20:33:130
13154991615,1cyclictest55650irq/125-lan20:17:110
13154991615,1cyclictest55650irq/125-lan20:02:070
13154991615,1cyclictest55650irq/125-lan19:55:210
13154991615,1cyclictest55650irq/125-lan19:44:210
13154991615,1cyclictest55650irq/125-lan19:37:280
13154991615,1cyclictest55650irq/125-lan19:28:240
13154991615,1cyclictest55650irq/125-lan19:10:170
13154991514,1cyclictest55650irq/125-lan21:00:150
13154991514,1cyclictest55650irq/125-lan20:40:210
13154991514,1cyclictest55650irq/125-lan20:35:130
13154991514,1cyclictest55650irq/125-lan19:30:240
13154991413,1cyclictest55650irq/125-lan19:20:140
13154991313,0cyclictest294-21hwrng20:08:050
131569999,0cyclictest18038-21apt-get22:10:121
131569998,1cyclictest703-21snmpd20:53:591
131569998,1cyclictest703-21snmpd20:45:321
131569998,1cyclictest14185-21ntp_offset22:05:191
131569996,3cyclictest703-21snmpd22:31:261
131569996,3cyclictest703-21snmpd00:05:151
131569996,2cyclictest703-21snmpd23:49:501
131569996,2cyclictest703-21snmpd23:22:311
131569996,2cyclictest703-21snmpd20:03:001
131569988,0cyclictest703-21snmpd21:24:031
131569988,0cyclictest294-21hwrng23:39:031
131569988,0cyclictest294-21hwrng23:10:211
131569988,0cyclictest294-21hwrng22:56:021
131569988,0cyclictest294-21hwrng22:03:481
131569988,0cyclictest294-21hwrng21:56:381
131569988,0cyclictest294-21hwrng20:06:021
131569988,0cyclictest294-21hwrng19:36:211
131569988,0cyclictest294-21hwrng19:25:051
131569988,0cyclictest294-21hwrng00:36:221
131569987,1cyclictest7457-21kworker/1:1+events23:27:461
131569987,1cyclictest7457-21kworker/1:1+events20:28:341
131569987,1cyclictest703-21snmpd23:02:301
131569987,1cyclictest703-21snmpd21:08:201
131569987,1cyclictest703-21snmpd21:00:471
131569987,1cyclictest32097-21apt-key20:00:001
131569987,1cyclictest294-21hwrng22:19:111
131569987,1cyclictest294-21hwrng19:16:531
131569987,1cyclictest0-21swapper/121:35:141
131569987,0cyclictest703-21snmpd23:19:221
131569986,2cyclictest703-21snmpd23:51:591
131569986,2cyclictest703-21snmpd21:32:361
131569986,2cyclictest703-21snmpd20:33:101
131569986,2cyclictest703-21snmpd19:42:391
131569986,1cyclictest703-21snmpd20:15:521
131569986,1cyclictest0-21swapper/121:40:131
131569985,2cyclictest703-21snmpd22:52:571
131569985,2cyclictest703-21snmpd22:36:081
131569985,2cyclictest703-21snmpd21:17:391
131569984,4cyclictest13963-21sed19:10:181
131569977,0cyclictest703-21snmpd23:31:471
131569977,0cyclictest703-21snmpd22:44:541
131569977,0cyclictest703-21snmpd21:27:031
131569977,0cyclictest703-21snmpd20:24:071
131569977,0cyclictest703-21snmpd19:32:531
131569977,0cyclictest294-21hwrng23:42:061
131569977,0cyclictest294-21hwrng22:21:121
131569977,0cyclictest294-21hwrng21:46:231
131569977,0cyclictest294-21hwrng20:41:531
131569977,0cyclictest294-21hwrng20:36:461
131569977,0cyclictest294-21hwrng20:10:081
131569977,0cyclictest294-21hwrng19:54:471
131569977,0cyclictest294-21hwrng19:45:341
131569977,0cyclictest294-21hwrng00:33:181
131569977,0cyclictest294-21hwrng00:00:321
131569976,1cyclictest703-21snmpd22:45:121
131569976,1cyclictest703-21snmpd00:15:521
131569976,1cyclictest28122-21switchtime21:10:301
131569976,1cyclictest20296-21needreboot23:55:161
131569975,2cyclictest703-21snmpd00:10:101
131569973,4cyclictest15798-21sed00:25:191
131569966,0cyclictest294-21hwrng19:24:031
131569966,0cyclictest294-21hwrng00:22:021
131569965,1cyclictest21687-21cat20:55:161
131569964,2cyclictest32075-21cat22:25:141
131569963,2cyclictest703-21snmpd23:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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