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2026-03-13 - 23:45

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 Fri Mar 13, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30588991817,1cyclictest65850irq/126-lan11:40:192
30588991817,1cyclictest65850irq/126-lan09:35:102
30588991817,1cyclictest65850irq/126-lan08:35:172
30588991817,1cyclictest65850irq/126-lan08:30:162
30588991817,1cyclictest65850irq/126-lan07:25:182
30584991818,0cyclictest743-21snmpd11:28:411
30584991818,0cyclictest743-21snmpd10:28:311
30584991818,0cyclictest743-21snmpd08:32:391
30588991717,0cyclictest65850irq/126-lan12:35:202
30588991717,0cyclictest65850irq/126-lan10:00:002
30588991717,0cyclictest65850irq/126-lan08:20:092
30588991716,1cyclictest65850irq/126-lan12:10:162
30588991716,1cyclictest65850irq/126-lan11:55:192
30588991716,1cyclictest65850irq/126-lan09:55:152
30588991716,1cyclictest65850irq/126-lan08:00:052
30584991717,0cyclictest743-21snmpd12:31:591
30584991717,0cyclictest743-21snmpd10:36:281
30584991717,0cyclictest743-21snmpd09:55:091
30584991717,0cyclictest25561-21cat08:15:141
30588991616,0cyclictest65850irq/126-lan10:50:112
30588991616,0cyclictest65850irq/126-lan10:15:132
30588991616,0cyclictest65850irq/126-lan10:05:202
30588991616,0cyclictest65850irq/126-lan09:40:182
30588991616,0cyclictest65850irq/126-lan07:55:172
30588991615,1cyclictest65850irq/126-lan12:20:102
30588991615,1cyclictest65850irq/126-lan10:35:102
30588991615,1cyclictest65850irq/126-lan09:30:142
30588991615,1cyclictest65850irq/126-lan09:10:212
30588991615,1cyclictest65850irq/126-lan08:40:172
30588991615,1cyclictest65850irq/126-lan08:40:172
30588991615,1cyclictest65850irq/126-lan08:05:212
30588991615,1cyclictest65850irq/126-lan07:14:012
30588991515,0cyclictest65850irq/126-lan12:00:102
30588991515,0cyclictest65850irq/126-lan11:30:162
30588991515,0cyclictest65850irq/126-lan11:20:102
30588991515,0cyclictest65850irq/126-lan10:28:212
30588991515,0cyclictest65850irq/126-lan09:01:212
30588991514,1cyclictest65850irq/126-lan12:05:162
30588991514,1cyclictest65850irq/126-lan11:35:172
30588991514,1cyclictest65850irq/126-lan11:25:152
30588991514,1cyclictest65850irq/126-lan11:10:172
30588991514,1cyclictest65850irq/126-lan10:20:122
30588991514,1cyclictest65850irq/126-lan09:45:232
30588991514,1cyclictest65850irq/126-lan08:55:132
30588991514,1cyclictest65850irq/126-lan07:35:172
30588991414,0cyclictest65850irq/126-lan11:15:122
30588991414,0cyclictest65850irq/126-lan07:40:212
30588991413,1cyclictest65850irq/126-lan12:15:202
30588991413,1cyclictest65850irq/126-lan11:00:112
30588991413,1cyclictest65850irq/126-lan10:55:122
30588991413,1cyclictest65850irq/126-lan10:40:122
30588991413,1cyclictest65850irq/126-lan09:05:112
30588991413,1cyclictest65850irq/126-lan08:50:172
30588991413,1cyclictest65850irq/126-lan08:45:212
30588991413,1cyclictest65850irq/126-lan07:30:152
30584991413,1cyclictest2645-21kworker/1:1+events07:53:001
30588991313,0cyclictest65850irq/126-lan12:25:212
30588991313,0cyclictest65850irq/126-lan11:09:382
30588991312,1cyclictest65850irq/126-lan11:50:162
30588991312,1cyclictest65850irq/126-lan08:15:142
30588991312,1cyclictest65850irq/126-lan08:10:122
30588991312,1cyclictest65850irq/126-lan07:45:132
30588991212,0cyclictest65850irq/126-lan12:30:202
30588991212,0cyclictest65850irq/126-lan07:20:122
30588991212,0cyclictest65850irq/126-lan07:15:152
30588991211,1cyclictest65850irq/126-lan11:45:152
30588991211,1cyclictest65850irq/126-lan10:45:162
30584991211,1cyclictest2645-21kworker/1:1+events09:37:161
30588991111,0cyclictest65850irq/126-lan08:25:142
30588991110,1cyclictest65850irq/126-lan09:15:122
30584991111,0cyclictest18582-21fwupd07:57:421
30584991110,1cyclictest2645-21kworker/1:1+events07:15:211
3058899109,1cyclictest65850irq/126-lan10:10:142
305939998,1cyclictest743-21snmpd12:27:143
305939998,1cyclictest743-21snmpd10:06:513
305939998,1cyclictest743-21snmpd09:48:353
305939998,1cyclictest743-21snmpd08:30:273
305939998,1cyclictest743-21snmpd07:47:163
305939996,3cyclictest743-21snmpd11:39:173
305889999,0cyclictest65850irq/126-lan09:28:212
305889998,1cyclictest65850irq/126-lan09:50:172
305889998,1cyclictest65850irq/126-lan09:20:122
305889998,1cyclictest65850irq/126-lan07:50:092
305849998,1cyclictest743-21snmpd10:50:251
305799998,1cyclictest743-21snmpd12:04:160
305799998,1cyclictest743-21snmpd11:50:450
305799998,1cyclictest743-21snmpd11:46:060
305799998,1cyclictest743-21snmpd09:32:530
305799998,1cyclictest743-21snmpd07:16:430
305939988,0cyclictest743-21snmpd12:38:113
305939988,0cyclictest743-21snmpd11:57:573
305939988,0cyclictest743-21snmpd08:29:183
305939988,0cyclictest741-21lldpd10:58:003
305939988,0cyclictest741-21lldpd09:02:523
305939987,1cyclictest743-21snmpd11:26:383
305939987,1cyclictest743-21snmpd10:35:093
305939987,1cyclictest743-21snmpd10:34:523
305939987,1cyclictest743-21snmpd10:02:273
305939987,1cyclictest743-21snmpd07:37:463
305939986,2cyclictest743-21snmpd11:23:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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