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2026-07-25 - 09:58

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 Sat Jul 25, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32736992929,0cyclictest23839-21fwupd21:22:191
32732991918,1cyclictest65850irq/126-lan21:45:180
32732991818,0cyclictest65850irq/126-lan22:10:170
32732991818,0cyclictest65850irq/126-lan21:35:120
32732991817,1cyclictest65850irq/126-lan22:25:110
32732991817,1cyclictest65850irq/126-lan21:10:140
32732991817,1cyclictest65850irq/126-lan21:05:170
32732991817,1cyclictest65850irq/126-lan00:30:170
32732991817,1cyclictest65850irq/126-lan00:10:160
32732991717,0cyclictest65850irq/126-lan21:40:170
32732991716,1cyclictest65850irq/126-lan23:45:120
32732991716,1cyclictest65850irq/126-lan22:50:140
32732991716,1cyclictest65850irq/126-lan22:20:140
32732991716,1cyclictest65850irq/126-lan20:40:160
32732991716,1cyclictest65850irq/126-lan19:25:180
32732991716,1cyclictest65850irq/126-lan19:10:120
32732991616,0cyclictest65850irq/126-lan23:35:130
32732991616,0cyclictest65850irq/126-lan22:06:550
32732991616,0cyclictest65850irq/126-lan20:25:160
32732991616,0cyclictest65850irq/126-lan00:35:190
32732991615,1cyclictest65850irq/126-lan23:15:130
32732991615,1cyclictest65850irq/126-lan23:10:200
32732991615,1cyclictest65850irq/126-lan23:00:130
32732991615,1cyclictest65850irq/126-lan22:55:140
32732991615,1cyclictest65850irq/126-lan22:15:200
32732991615,1cyclictest65850irq/126-lan21:55:180
32732991615,1cyclictest65850irq/126-lan20:50:180
32732991615,1cyclictest65850irq/126-lan20:15:190
32732991515,0cyclictest65850irq/126-lan23:08:290
32732991515,0cyclictest65850irq/126-lan21:00:270
32732991515,0cyclictest65850irq/126-lan20:55:150
32732991515,0cyclictest65850irq/126-lan20:55:140
32732991515,0cyclictest65850irq/126-lan00:20:180
32732991515,0cyclictest65850irq/126-lan00:17:280
32732991514,1cyclictest65850irq/126-lan23:59:590
32732991514,1cyclictest65850irq/126-lan23:30:220
32732991514,1cyclictest65850irq/126-lan23:20:170
32732991514,1cyclictest65850irq/126-lan22:45:210
32732991514,1cyclictest65850irq/126-lan22:00:200
32732991514,1cyclictest65850irq/126-lan20:45:130
32732991514,1cyclictest65850irq/126-lan20:30:140
32732991514,1cyclictest65850irq/126-lan19:15:160
32732991514,1cyclictest65850irq/126-lan00:05:170
32732991414,0cyclictest65850irq/126-lan21:25:210
32732991414,0cyclictest65850irq/126-lan19:35:010
32732991413,1cyclictest65850irq/126-lan22:40:130
32732991413,1cyclictest65850irq/126-lan21:50:170
32732991413,1cyclictest65850irq/126-lan21:15:100
32732991413,1cyclictest65850irq/126-lan20:20:140
32732991413,1cyclictest65850irq/126-lan20:05:130
32732991313,0cyclictest65850irq/126-lan23:40:140
32732991313,0cyclictest65850irq/126-lan21:20:120
32732991313,0cyclictest65850irq/126-lan20:10:170
32732991313,0cyclictest65850irq/126-lan00:25:160
32732991312,1cyclictest65850irq/126-lan22:30:150
32732991312,1cyclictest65850irq/126-lan19:40:160
32732991212,0cyclictest65850irq/126-lan21:30:170
32732991211,1cyclictest65850irq/126-lan23:50:170
32732991211,1cyclictest65850irq/126-lan20:35:140
32732991211,1cyclictest65850irq/126-lan20:00:190
32732991211,1cyclictest65850irq/126-lan19:45:130
32732991211,1cyclictest65850irq/126-lan00:00:160
3274099116,2cyclictest743-21snmpd23:27:122
32732991110,1cyclictest65850irq/126-lan19:30:110
3274099107,0cyclictest743-21snmpd22:44:012
32732991010,0cyclictest65850irq/126-lan19:55:170
32732991010,0cyclictest65850irq/126-lan19:50:150
327459998,1cyclictest743-21snmpd20:24:393
327459998,1cyclictest741-21lldpd23:06:513
327409998,1cyclictest741-21lldpd00:04:512
327329999,0cyclictest65850irq/126-lan19:25:000
327329998,1cyclictest65850irq/126-lan23:25:130
327459988,0cyclictest743-21snmpd23:26:333
327459988,0cyclictest743-21snmpd23:03:243
327459988,0cyclictest743-21snmpd21:19:373
327459988,0cyclictest743-21snmpd19:40:583
327459988,0cyclictest741-21lldpd23:11:403
327459988,0cyclictest741-21lldpd20:56:093
327459988,0cyclictest741-21lldpd20:56:083
327459988,0cyclictest741-21lldpd00:22:153
327459988,0cyclictest17922-21dump-pmu-power22:30:003
327459987,1cyclictest8845-21needreboot20:45:143
327459987,1cyclictest743-21snmpd23:45:353
327459987,1cyclictest743-21snmpd20:53:393
327459987,1cyclictest743-21snmpd20:41:583
327459987,1cyclictest743-21snmpd20:12:033
327459987,1cyclictest743-21snmpd00:06:533
327459987,1cyclictest741-21lldpd23:37:183
327459987,1cyclictest741-21lldpd23:16:313
327459987,1cyclictest506-21systemd-resolve19:17:273
327459986,2cyclictest743-21snmpd23:52:463
327459986,2cyclictest743-21snmpd22:03:273
327459986,2cyclictest743-21snmpd00:18:273
327459986,2cyclictest24668-21cat22:45:153
327459985,3cyclictest743-21snmpd19:31:133
327409988,0cyclictest743-21snmpd23:10:592
327409988,0cyclictest743-21snmpd22:47:182
327409988,0cyclictest743-21snmpd22:06:362
327409988,0cyclictest741-21lldpd22:33:142
327409988,0cyclictest741-21lldpd22:12:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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