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2026-06-02 - 11:59

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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 rack8slot6s.osadl.org (updated Tue Jun 02, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20757993434,0cyclictest12707-21fwupd21:28:413
20757991818,0cyclictest743-21snmpd20:59:123
20757991818,0cyclictest65850irq/126-lan23:30:213
20757991818,0cyclictest65850irq/126-lan23:07:123
20757991818,0cyclictest65850irq/126-lan00:25:153
20747991817,1cyclictest65850irq/126-lan20:00:151
20757991717,0cyclictest7696-21cat23:55:153
20757991717,0cyclictest743-21snmpd22:17:443
20757991717,0cyclictest743-21snmpd21:56:233
20757991717,0cyclictest743-21snmpd21:17:583
20757991717,0cyclictest743-21snmpd00:31:473
20757991717,0cyclictest65850irq/126-lan22:35:003
20757991717,0cyclictest65850irq/126-lan00:15:143
20757991717,0cyclictest23368-21cat19:15:133
20757991717,0cyclictest11611-21cat20:05:133
20757991716,1cyclictest743-21snmpd19:37:033
20757991716,1cyclictest65850irq/126-lan00:01:073
20747991717,0cyclictest65850irq/126-lan20:05:161
20747991717,0cyclictest65850irq/126-lan19:55:181
20747991716,1cyclictest65850irq/126-lan22:00:161
20747991716,1cyclictest65850irq/126-lan20:15:151
20747991716,1cyclictest65850irq/126-lan19:50:001
20757991616,0cyclictest743-21snmpd23:23:143
20757991616,0cyclictest743-21snmpd21:14:483
20757991616,0cyclictest743-21snmpd19:34:213
20757991616,0cyclictest65850irq/126-lan23:45:233
20757991616,0cyclictest65850irq/126-lan23:02:593
20757991616,0cyclictest65850irq/126-lan00:10:153
20747991616,0cyclictest65850irq/126-lan22:06:041
20747991616,0cyclictest65850irq/126-lan21:50:151
20747991616,0cyclictest65850irq/126-lan20:45:151
20747991615,1cyclictest65850irq/126-lan21:05:191
20747991615,1cyclictest65850irq/126-lan20:25:101
20747991615,1cyclictest65850irq/126-lan19:35:171
20757991515,0cyclictest65850irq/126-lan23:17:233
20757991515,0cyclictest65850irq/126-lan23:10:143
20757991515,0cyclictest65850irq/126-lan22:20:593
20757991515,0cyclictest65850irq/126-lan22:10:363
20757991515,0cyclictest65850irq/126-lan00:35:113
20757991515,0cyclictest65850irq/126-lan00:08:153
20757991514,1cyclictest65850irq/126-lan22:25:193
20747991515,0cyclictest65850irq/126-lan21:40:171
20747991514,1cyclictest65850irq/126-lan21:30:111
20757991414,0cyclictest65850irq/126-lan23:40:073
20757991414,0cyclictest65850irq/126-lan22:57:533
20747991414,0cyclictest65850irq/126-lan21:35:131
20747991414,0cyclictest65850irq/126-lan19:20:131
20747991413,1cyclictest65850irq/126-lan21:20:151
20747991413,1cyclictest65850irq/126-lan20:10:281
20747991413,1cyclictest65850irq/126-lan19:30:131
20747991413,1cyclictest65850irq/126-lan19:15:111
20757991313,0cyclictest65850irq/126-lan22:43:273
20757991313,0cyclictest65850irq/126-lan22:43:263
20757991313,0cyclictest65850irq/126-lan22:37:473
20757991313,0cyclictest65850irq/126-lan22:37:473
20747991313,0cyclictest65850irq/126-lan21:55:171
20747991313,0cyclictest65850irq/126-lan21:45:141
20747991313,0cyclictest65850irq/126-lan19:10:251
20747991312,1cyclictest65850irq/126-lan21:15:161
20747991312,1cyclictest65850irq/126-lan20:20:141
20757991212,0cyclictest65850irq/126-lan23:50:193
20757991212,0cyclictest65850irq/126-lan23:25:213
20757991212,0cyclictest65850irq/126-lan22:50:213
20757991212,0cyclictest65850irq/126-lan22:45:023
20757991212,0cyclictest65850irq/126-lan00:23:243
20747991212,0cyclictest65850irq/126-lan22:10:111
20747991212,0cyclictest65850irq/126-lan21:25:131
20747991212,0cyclictest65850irq/126-lan19:45:221
20747991212,0cyclictest65850irq/126-lan19:25:111
20747991211,1cyclictest65850irq/126-lan20:55:181
20747991211,1cyclictest65850irq/126-lan20:45:001
20747991211,1cyclictest65850irq/126-lan20:35:121
20757991111,0cyclictest65850irq/126-lan23:35:213
20747991111,0cyclictest65850irq/126-lan19:40:131
20747991010,0cyclictest65850irq/126-lan21:10:161
207579998,1cyclictest743-21snmpd20:33:263
207529998,1cyclictest743-21snmpd22:19:322
207529998,1cyclictest743-21snmpd22:14:112
207529998,1cyclictest506-21systemd-resolve23:55:232
207479999,0cyclictest65850irq/126-lan20:30:171
207479998,1cyclictest743-21snmpd22:37:521
207479998,1cyclictest743-21snmpd22:37:511
207479998,1cyclictest65850irq/126-lan21:00:131
207439998,1cyclictest743-21snmpd22:27:120
207579987,1cyclictest743-21snmpd19:12:573
207529988,0cyclictest743-21snmpd23:14:232
207529988,0cyclictest741-21lldpd23:54:442
207529988,0cyclictest741-21lldpd22:34:582
207529988,0cyclictest741-21lldpd22:00:062
207529988,0cyclictest741-21lldpd20:24:012
207529987,1cyclictest743-21snmpd23:27:202
207529987,1cyclictest743-21snmpd22:51:402
207529987,1cyclictest743-21snmpd20:38:292
207529987,1cyclictest743-21snmpd00:02:372
207529987,1cyclictest741-21lldpd20:13:082
207529987,1cyclictest741-21lldpd19:47:022
207529987,1cyclictest741-21lldpd19:22:582
207529987,1cyclictest5091-21sh22:30:002
207529986,2cyclictest743-21snmpd22:21:362
207529986,2cyclictest743-21snmpd21:58:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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