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2026-05-21 - 00:52

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 Wed May 20, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19905991818,0cyclictest65850irq/126-lan10:07:101
19905991818,0cyclictest65850irq/126-lan09:13:041
19905991817,1cyclictest65850irq/126-lan11:45:101
19905991817,1cyclictest65850irq/126-lan07:50:131
19905991817,1cyclictest65850irq/126-lan07:45:001
19905991817,1cyclictest65850irq/126-lan07:20:171
19905991717,0cyclictest65850irq/126-lan11:42:101
19905991717,0cyclictest65850irq/126-lan10:35:101
19905991717,0cyclictest65850irq/126-lan10:15:461
19905991716,1cyclictest65850irq/126-lan12:10:201
19905991716,1cyclictest65850irq/126-lan08:55:211
19905991716,1cyclictest65850irq/126-lan08:15:141
19905991716,1cyclictest65850irq/126-lan08:00:311
19905991716,1cyclictest65850irq/126-lan07:45:171
19905991616,0cyclictest65850irq/126-lan12:20:111
19905991616,0cyclictest65850irq/126-lan11:20:111
19905991616,0cyclictest65850irq/126-lan11:20:111
19905991616,0cyclictest65850irq/126-lan08:20:141
19905991615,1cyclictest65850irq/126-lan10:57:171
19905991615,1cyclictest65850irq/126-lan10:10:111
19905991615,1cyclictest65850irq/126-lan09:35:131
19905991615,1cyclictest65850irq/126-lan09:30:111
19905991615,1cyclictest65850irq/126-lan09:15:171
19905991615,1cyclictest65850irq/126-lan08:45:001
19905991615,1cyclictest65850irq/126-lan07:15:211
19905991515,0cyclictest65850irq/126-lan11:35:171
19905991515,0cyclictest65850irq/126-lan11:30:161
19905991515,0cyclictest65850irq/126-lan09:25:021
19905991515,0cyclictest65850irq/126-lan09:00:181
19905991515,0cyclictest65850irq/126-lan08:25:101
19905991514,1cyclictest65850irq/126-lan12:30:141
19905991514,1cyclictest65850irq/126-lan12:15:151
19905991514,1cyclictest65850irq/126-lan11:00:181
19905991514,1cyclictest65850irq/126-lan10:20:181
19905991514,1cyclictest65850irq/126-lan10:00:121
19905991514,1cyclictest65850irq/126-lan09:40:201
19905991514,1cyclictest65850irq/126-lan09:20:101
19905991414,0cyclictest65850irq/126-lan12:04:091
19905991414,0cyclictest65850irq/126-lan10:50:141
19905991414,0cyclictest65850irq/126-lan09:58:141
19905991413,1cyclictest65850irq/126-lan12:35:201
19905991413,1cyclictest65850irq/126-lan11:54:111
19905991413,1cyclictest65850irq/126-lan11:15:131
19905991413,1cyclictest65850irq/126-lan11:05:211
19905991413,1cyclictest65850irq/126-lan10:45:121
19905991413,1cyclictest65850irq/126-lan10:40:001
19905991413,1cyclictest65850irq/126-lan08:05:121
19905991313,0cyclictest65850irq/126-lan08:10:131
19905991313,0cyclictest65850irq/126-lan07:35:161
19905991312,1cyclictest65850irq/126-lan11:57:101
19905991312,1cyclictest65850irq/126-lan11:10:181
19905991312,1cyclictest65850irq/126-lan08:30:131
19905991212,0cyclictest65850irq/126-lan12:25:181
19905991212,0cyclictest65850irq/126-lan09:50:131
19905991211,1cyclictest65850irq/126-lan09:05:121
19905991111,0cyclictest65850irq/126-lan12:05:091
19905991111,0cyclictest65850irq/126-lan10:30:111
19905991111,0cyclictest65850irq/126-lan07:55:121
19905991111,0cyclictest65850irq/126-lan07:32:441
19905991110,1cyclictest65850irq/126-lan10:25:111
19905991110,1cyclictest65850irq/126-lan09:45:101
19905991110,1cyclictest65850irq/126-lan08:50:191
19905991110,1cyclictest65850irq/126-lan08:40:171
19905991110,1cyclictest65850irq/126-lan08:35:161
19905991110,1cyclictest65850irq/126-lan07:10:161
1990599109,1cyclictest65850irq/126-lan11:25:181
199139998,1cyclictest743-21snmpd08:29:453
199139998,1cyclictest741-21lldpd07:42:193
199099998,1cyclictest743-21snmpd12:16:012
199019998,1cyclictest743-21snmpd08:33:120
199019998,1cyclictest743-21snmpd07:16:250
199139988,0cyclictest743-21snmpd07:57:023
199139988,0cyclictest741-21lldpd12:12:413
199139988,0cyclictest741-21lldpd11:34:453
199139988,0cyclictest741-21lldpd09:44:113
199139988,0cyclictest741-21lldpd08:21:163
199139987,1cyclictest743-21snmpd12:31:443
199139987,1cyclictest743-21snmpd11:49:003
199139987,1cyclictest741-21lldpd10:34:183
199139986,2cyclictest743-21snmpd10:29:193
199139986,2cyclictest743-21snmpd10:07:333
199139986,2cyclictest743-21snmpd09:35:143
199139986,2cyclictest743-21snmpd09:18:383
199139985,3cyclictest23349-21cat11:10:143
199139984,3cyclictest22930-21ntp_states09:50:173
199099988,0cyclictest743-21snmpd08:10:332
199099988,0cyclictest741-21lldpd10:49:002
199099988,0cyclictest741-21lldpd10:24:072
199099988,0cyclictest741-21lldpd09:35:352
199099988,0cyclictest741-21lldpd08:30:442
199099987,1cyclictest743-21snmpd12:11:522
199099987,1cyclictest743-21snmpd10:18:102
199099987,1cyclictest743-21snmpd08:51:192
199099987,1cyclictest743-21snmpd07:50:082
199099987,1cyclictest2960-21gltestperf11:40:132
199099986,2cyclictest743-21snmpd11:23:542
199099986,2cyclictest743-21snmpd11:23:542
199099985,2cyclictest743-21snmpd07:20:222
199059988,0cyclictest65850irq/126-lan07:25:011
199019988,0cyclictest743-21snmpd12:24:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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