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2025-07-01 - 04:17

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 100 highest latencies:
System rack8slot7s.osadl.org (updated Tue Jul 01, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3007994040,0cyclictest10566-21fwupd22:50:001
3007991919,0cyclictest294-21hwrng23:02:341
3007991918,1cyclictest55650irq/125-lan23:53:321
3007991918,1cyclictest55650irq/125-lan23:35:341
3007991918,1cyclictest55650irq/125-lan23:31:501
3007991918,1cyclictest55650irq/125-lan23:25:501
3007991918,1cyclictest55650irq/125-lan23:20:591
3007991918,1cyclictest55650irq/125-lan23:05:251
3007991918,1cyclictest55650irq/125-lan22:57:211
3007991918,1cyclictest55650irq/125-lan22:52:511
3007991918,1cyclictest55650irq/125-lan22:25:241
3007991918,1cyclictest55650irq/125-lan20:52:141
3007991918,1cyclictest55650irq/125-lan20:22:381
3007991918,1cyclictest55650irq/125-lan19:29:301
3007991918,1cyclictest55650irq/125-lan00:18:521
3007991918,1cyclictest55650irq/125-lan00:07:541
3007991918,1cyclictest55650irq/125-lan00:00:121
3007991917,1cyclictest55650irq/125-lan20:14:221
3007991818,0cyclictest55650irq/125-lan23:44:131
3007991818,0cyclictest55650irq/125-lan23:13:241
3007991818,0cyclictest55650irq/125-lan22:36:091
3007991818,0cyclictest55650irq/125-lan21:56:511
3007991817,1cyclictest55650irq/125-lan23:55:191
3007991817,1cyclictest55650irq/125-lan23:15:131
3007991817,1cyclictest55650irq/125-lan22:41:171
3007991817,1cyclictest55650irq/125-lan22:20:501
3007991817,1cyclictest55650irq/125-lan22:18:231
3007991817,1cyclictest55650irq/125-lan22:08:341
3007991817,1cyclictest55650irq/125-lan21:54:211
3007991817,1cyclictest55650irq/125-lan21:42:241
3007991817,1cyclictest55650irq/125-lan21:35:551
3007991817,1cyclictest55650irq/125-lan21:22:121
3007991817,1cyclictest55650irq/125-lan21:16:191
3007991817,1cyclictest55650irq/125-lan21:01:411
3007991817,1cyclictest55650irq/125-lan20:31:411
3007991817,1cyclictest55650irq/125-lan00:37:241
3007991817,1cyclictest55650irq/125-lan00:30:391
3007991817,1cyclictest55650irq/125-lan00:29:001
3007991817,1cyclictest55650irq/125-lan00:21:001
3007991717,0cyclictest55650irq/125-lan23:45:191
3007991717,0cyclictest55650irq/125-lan22:33:101
3007991717,0cyclictest55650irq/125-lan22:00:371
3007991717,0cyclictest55650irq/125-lan20:45:121
3007991717,0cyclictest55650irq/125-lan19:21:171
3007991717,0cyclictest55650irq/125-lan19:18:551
3007991716,1cyclictest55650irq/125-lan22:14:041
3007991716,1cyclictest55650irq/125-lan21:46:021
3007991716,1cyclictest55650irq/125-lan21:31:271
3007991716,1cyclictest55650irq/125-lan21:25:181
3007991716,1cyclictest55650irq/125-lan20:05:121
3007991716,1cyclictest55650irq/125-lan19:55:141
3007991716,1cyclictest55650irq/125-lan19:52:311
3007991716,1cyclictest55650irq/125-lan00:10:131
3007991616,0cyclictest55650irq/125-lan20:16:381
3007991616,0cyclictest55650irq/125-lan19:30:191
3007991615,1cyclictest55650irq/125-lan21:10:111
3007991615,1cyclictest55650irq/125-lan20:40:001
3007991615,1cyclictest55650irq/125-lan19:40:241
3007991615,1cyclictest55650irq/125-lan19:37:151
3007991514,1cyclictest55650irq/125-lan21:08:111
3007991514,1cyclictest55650irq/125-lan20:55:221
3007991514,1cyclictest55650irq/125-lan20:37:181
3007991514,1cyclictest55650irq/125-lan19:10:521
3007991413,1cyclictest55650irq/125-lan20:25:241
3002991414,0cyclictest294-21hwrng23:33:180
3007991312,1cyclictest55650irq/125-lan20:02:521
3007991312,1cyclictest55650irq/125-lan19:45:211
3002991212,0cyclictest294-21hwrng20:48:260
3002991212,0cyclictest294-21hwrng00:10:100
300299109,1cyclictest25958-21ntp_kernel_err21:20:190
30029999,0cyclictest294-21hwrng00:20:230
30029998,1cyclictest703-21snmpd23:14:520
30029998,1cyclictest703-21snmpd22:54:130
30029998,1cyclictest703-21snmpd22:41:420
30029998,1cyclictest386-21haveged22:13:140
30029994,4cyclictest30583-21grep21:25:190
30029988,0cyclictest703-21snmpd23:53:380
30029988,0cyclictest703-21snmpd19:20:590
30029988,0cyclictest294-21hwrng23:43:320
30029988,0cyclictest294-21hwrng23:21:010
30029988,0cyclictest294-21hwrng23:15:530
30029988,0cyclictest294-21hwrng21:39:370
30029988,0cyclictest294-21hwrng21:10:570
30029988,0cyclictest294-21hwrng20:51:310
30029988,0cyclictest294-21hwrng20:05:260
30029988,0cyclictest294-21hwrng19:39:490
30029987,1cyclictest703-21snmpd22:05:200
30029987,1cyclictest703-21snmpd21:01:590
30029987,1cyclictest2015-21proc_pri00:25:190
30029986,2cyclictest703-21snmpd21:40:280
30029986,2cyclictest703-21snmpd20:15:400
30029986,2cyclictest703-21snmpd19:51:150
30029985,3cyclictest703-21snmpd23:09:400
30029985,3cyclictest703-21snmpd00:35:160
30029985,2cyclictest703-21snmpd20:42:590
30029977,0cyclictest703-21snmpd22:45:250
30029977,0cyclictest703-21snmpd22:21:380
30029977,0cyclictest703-21snmpd21:15:420
30029977,0cyclictest703-21snmpd19:40:560
30029977,0cyclictest703-21snmpd00:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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