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2026-05-29 - 17:56

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 May 29, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1634994141,0cyclictest25066-21lspci11:13:371
1645991918,1cyclictest65850irq/126-lan11:50:213
1645991918,1cyclictest65850irq/126-lan10:40:113
1645991918,1cyclictest65850irq/126-lan09:20:013
1645991818,0cyclictest65850irq/126-lan11:14:243
1645991818,0cyclictest65850irq/126-lan08:00:173
1645991817,1cyclictest65850irq/126-lan10:50:153
1645991717,0cyclictest65850irq/126-lan10:35:153
1645991717,0cyclictest65850irq/126-lan08:48:053
1645991717,0cyclictest65850irq/126-lan08:23:533
1645991716,1cyclictest65850irq/126-lan12:30:123
1645991716,1cyclictest65850irq/126-lan11:40:003
1645991616,0cyclictest65850irq/126-lan12:05:183
1645991616,0cyclictest65850irq/126-lan10:23:153
1645991616,0cyclictest65850irq/126-lan09:35:133
1645991616,0cyclictest65850irq/126-lan09:10:143
1645991616,0cyclictest65850irq/126-lan09:05:143
1645991616,0cyclictest65850irq/126-lan07:40:043
1645991615,1cyclictest65850irq/126-lan12:25:123
1645991615,1cyclictest65850irq/126-lan11:15:103
1645991615,1cyclictest65850irq/126-lan11:09:003
1645991615,1cyclictest65850irq/126-lan10:27:073
1645991615,1cyclictest65850irq/126-lan09:50:213
1645991615,1cyclictest65850irq/126-lan09:25:123
1645991615,1cyclictest65850irq/126-lan08:55:203
1645991615,1cyclictest65850irq/126-lan08:05:113
1645991615,1cyclictest65850irq/126-lan07:50:093
1645991615,1cyclictest65850irq/126-lan07:20:183
1645991615,1cyclictest65850irq/126-lan07:11:043
1645991515,0cyclictest65850irq/126-lan11:35:193
1645991515,0cyclictest65850irq/126-lan11:00:113
1645991515,0cyclictest65850irq/126-lan10:55:223
1645991514,1cyclictest65850irq/126-lan12:15:113
1645991514,1cyclictest65850irq/126-lan11:55:133
1645991514,1cyclictest65850irq/126-lan10:10:213
1645991514,1cyclictest65850irq/126-lan09:40:153
1645991514,1cyclictest65850irq/126-lan09:15:133
1645991514,1cyclictest65850irq/126-lan08:35:113
1645991514,1cyclictest65850irq/126-lan08:25:123
1645991414,0cyclictest65850irq/126-lan12:21:143
1645991414,0cyclictest65850irq/126-lan11:30:183
1645991414,0cyclictest65850irq/126-lan09:45:163
1645991414,0cyclictest65850irq/126-lan09:00:003
1645991413,1cyclictest65850irq/126-lan12:35:113
1645991413,1cyclictest65850irq/126-lan10:45:213
1645991413,1cyclictest65850irq/126-lan10:31:153
1645991413,1cyclictest65850irq/126-lan10:05:163
1645991413,1cyclictest65850irq/126-lan09:55:143
1645991413,1cyclictest65850irq/126-lan08:50:203
1645991413,1cyclictest65850irq/126-lan08:50:193
1645991413,1cyclictest65850irq/126-lan08:43:053
1645991313,0cyclictest65850irq/126-lan12:00:103
1645991312,1cyclictest65850irq/126-lan12:10:183
1645991312,1cyclictest65850irq/126-lan11:45:193
1645991312,1cyclictest65850irq/126-lan10:15:133
1645991312,1cyclictest65850irq/126-lan09:30:153
1645991312,1cyclictest65850irq/126-lan07:55:013
1645991211,1cyclictest65850irq/126-lan07:30:113
1645991110,1cyclictest65850irq/126-lan08:15:153
164599109,1cyclictest65850irq/126-lan11:25:143
164599109,1cyclictest65850irq/126-lan10:02:153
16459996,3cyclictest743-21snmpd08:31:093
16429998,1cyclictest743-21snmpd11:48:552
16429998,1cyclictest743-21snmpd09:56:272
16429998,1cyclictest743-21snmpd09:53:272
16429998,1cyclictest743-21snmpd08:40:572
16349996,3cyclictest743-21snmpd07:13:191
16269998,1cyclictest743-21snmpd11:56:260
16269998,1cyclictest743-21snmpd08:02:110
16459988,0cyclictest741-21lldpd11:20:303
16459988,0cyclictest741-21lldpd07:29:453
16429988,0cyclictest743-21snmpd12:29:332
16429988,0cyclictest743-21snmpd11:18:362
16429988,0cyclictest743-21snmpd08:12:502
16429988,0cyclictest743-21snmpd07:45:402
16429988,0cyclictest741-21lldpd11:00:342
16429988,0cyclictest741-21lldpd08:47:442
16429988,0cyclictest741-21lldpd07:40:472
16429988,0cyclictest522-21avahi-daemon10:32:192
16429987,1cyclictest743-21snmpd12:34:292
16429987,1cyclictest743-21snmpd12:12:412
16429987,1cyclictest743-21snmpd10:43:492
16429987,1cyclictest743-21snmpd10:29:282
16429987,1cyclictest743-21snmpd09:31:412
16429987,1cyclictest743-21snmpd09:17:492
16429987,1cyclictest741-21lldpd10:53:162
16429987,1cyclictest741-21lldpd10:45:102
16429987,1cyclictest522-21avahi-daemon10:59:332
16429986,2cyclictest743-21snmpd11:44:332
16429986,2cyclictest743-21snmpd10:39:382
16429986,2cyclictest23387-21cat08:25:142
16349988,0cyclictest743-21snmpd12:00:161
16349988,0cyclictest743-21snmpd10:32:131
16349988,0cyclictest741-21lldpd11:07:281
16349988,0cyclictest741-21lldpd09:43:531
16349988,0cyclictest741-21lldpd08:31:141
16349988,0cyclictest741-21lldpd07:40:131
16349987,1cyclictest743-21snmpd11:33:511
16349987,1cyclictest743-21snmpd10:11:181
16349987,1cyclictest743-21snmpd08:51:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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