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2026-06-15 - 20:22

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 Mon Jun 15, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22430992019,1cyclictest65850irq/126-lan20:06:433
22430991818,0cyclictest65850irq/126-lan23:40:153
22430991817,1cyclictest65850irq/126-lan23:10:103
22430991817,1cyclictest65850irq/126-lan21:20:093
22430991817,1cyclictest65850irq/126-lan19:20:153
22430991717,0cyclictest65850irq/126-lan22:20:183
22430991717,0cyclictest65850irq/126-lan20:45:353
22430991717,0cyclictest65850irq/126-lan20:35:333
22430991717,0cyclictest65850irq/126-lan00:15:133
22430991716,1cyclictest65850irq/126-lan23:15:163
22430991716,1cyclictest65850irq/126-lan22:55:173
22430991716,1cyclictest65850irq/126-lan22:02:343
22430991716,1cyclictest65850irq/126-lan21:30:173
22430991716,1cyclictest65850irq/126-lan21:10:183
22430991716,1cyclictest65850irq/126-lan21:00:133
22430991716,1cyclictest65850irq/126-lan19:34:393
22430991715,1cyclictest65850irq/126-lan20:20:173
22430991616,0cyclictest65850irq/126-lan23:20:123
22430991616,0cyclictest65850irq/126-lan22:35:113
22430991616,0cyclictest65850irq/126-lan22:32:333
22430991616,0cyclictest65850irq/126-lan00:30:133
22430991616,0cyclictest65850irq/126-lan00:27:343
22430991615,1cyclictest65850irq/126-lan23:35:173
22430991615,1cyclictest65850irq/126-lan23:30:133
22430991615,1cyclictest65850irq/126-lan23:05:183
22430991615,1cyclictest65850irq/126-lan22:15:143
22430991615,1cyclictest65850irq/126-lan21:50:343
22430991615,1cyclictest65850irq/126-lan21:45:153
22430991615,1cyclictest65850irq/126-lan21:40:173
22430991615,1cyclictest65850irq/126-lan20:30:143
22430991615,1cyclictest65850irq/126-lan19:35:173
22430991515,0cyclictest65850irq/126-lan23:55:013
22430991515,0cyclictest65850irq/126-lan21:35:133
22430991514,1cyclictest65850irq/126-lan22:45:143
22430991514,1cyclictest65850irq/126-lan22:05:343
22430991514,1cyclictest65850irq/126-lan22:05:333
22430991514,1cyclictest65850irq/126-lan20:50:133
22430991514,1cyclictest65850irq/126-lan19:55:223
22430991514,1cyclictest65850irq/126-lan19:50:153
22430991514,1cyclictest65850irq/126-lan00:05:133
22430991414,0cyclictest65850irq/126-lan20:59:353
22430991414,0cyclictest65850irq/126-lan20:02:353
22430991414,0cyclictest65850irq/126-lan00:10:343
22430991413,1cyclictest65850irq/126-lan23:00:153
22430991413,1cyclictest65850irq/126-lan22:50:173
22430991413,1cyclictest65850irq/126-lan21:55:193
22430991413,1cyclictest65850irq/126-lan21:25:143
22430991413,1cyclictest65850irq/126-lan19:10:173
22430991313,0cyclictest65850irq/126-lan23:45:353
22430991313,0cyclictest65850irq/126-lan19:45:213
22430991312,1cyclictest65850irq/126-lan20:10:133
22430991212,0cyclictest65850irq/126-lan21:15:143
22430991212,0cyclictest65850irq/126-lan00:20:173
22430991211,1cyclictest65850irq/126-lan22:25:163
22430991211,1cyclictest65850irq/126-lan19:40:163
22430991211,1cyclictest65850irq/126-lan19:25:563
22430991111,0cyclictest65850irq/126-lan23:25:113
22430991111,0cyclictest65850irq/126-lan20:25:183
22430991111,0cyclictest65850irq/126-lan19:15:123
22430991110,1cyclictest65850irq/126-lan21:05:163
22430991110,1cyclictest65850irq/126-lan20:40:133
22430991110,1cyclictest65850irq/126-lan00:00:143
2243099109,1cyclictest65850irq/126-lan23:50:133
2243099109,1cyclictest65850irq/126-lan22:41:293
2243099109,1cyclictest65850irq/126-lan20:15:153
22426991010,0cyclictest743-21snmpd23:39:162
224269998,1cyclictest743-21snmpd20:47:382
224269998,1cyclictest743-21snmpd19:42:182
224269997,1cyclictest743-21snmpd22:15:172
224209998,1cyclictest743-21snmpd21:29:111
224129998,1cyclictest743-21snmpd22:43:090
224129998,1cyclictest743-21snmpd19:58:450
224129998,1cyclictest743-21snmpd19:50:090
224309988,0cyclictest65850irq/126-lan00:35:203
224269988,0cyclictest743-21snmpd23:13:522
224269988,0cyclictest743-21snmpd21:01:302
224269988,0cyclictest743-21snmpd20:03:372
224269988,0cyclictest741-21lldpd23:46:022
224269988,0cyclictest741-21lldpd22:59:382
224269988,0cyclictest741-21lldpd19:36:382
224269988,0cyclictest741-21lldpd00:02:352
224269987,1cyclictest743-21snmpd21:06:442
224269987,1cyclictest743-21snmpd19:23:382
224269987,1cyclictest741-21lldpd20:28:462
224269987,1cyclictest741-21lldpd19:58:392
224269987,1cyclictest741-21lldpd00:11:452
224269986,2cyclictest743-21snmpd23:53:072
224269986,2cyclictest743-21snmpd22:26:532
224269986,2cyclictest743-21snmpd21:26:392
224269986,2cyclictest743-21snmpd20:35:462
224269986,2cyclictest743-21snmpd20:19:042
224269986,2cyclictest743-21snmpd20:06:242
224269986,2cyclictest743-21snmpd19:53:542
224269986,2cyclictest743-21snmpd19:11:562
224269986,2cyclictest743-21snmpd00:37:032
224269985,3cyclictest743-21snmpd20:31:442
224209988,0cyclictest743-21snmpd20:25:431
224209988,0cyclictest741-21lldpd23:53:341
224209988,0cyclictest741-21lldpd21:49:131
224209988,0cyclictest741-21lldpd00:15:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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