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2026-06-04 - 03:23

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 Thu Jun 04, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24269991919,0cyclictest65850irq/126-lan22:40:153
24269991918,1cyclictest65850irq/126-lan21:20:153
24269991918,1cyclictest65850irq/126-lan20:00:123
24269991818,0cyclictest65850irq/126-lan23:55:203
24269991817,1cyclictest65850irq/126-lan22:30:113
24269991817,1cyclictest65850irq/126-lan22:01:513
24269991817,1cyclictest65850irq/126-lan21:50:013
24269991817,1cyclictest65850irq/126-lan00:25:193
24269991717,0cyclictest65850irq/126-lan22:55:183
24269991717,0cyclictest65850irq/126-lan20:11:183
24269991717,0cyclictest65850irq/126-lan19:53:403
24269991717,0cyclictest65850irq/126-lan19:14:183
24269991717,0cyclictest65850irq/126-lan00:10:033
24269991717,0cyclictest65850irq/126-lan00:00:153
24269991716,1cyclictest65850irq/126-lan23:50:123
24269991716,1cyclictest65850irq/126-lan23:40:143
24269991716,1cyclictest65850irq/126-lan23:10:153
24269991716,1cyclictest65850irq/126-lan22:20:183
24269991716,1cyclictest65850irq/126-lan22:10:123
24269991716,1cyclictest65850irq/126-lan20:24:163
24269991616,0cyclictest65850irq/126-lan00:05:153
24269991615,1cyclictest65850irq/126-lan23:05:103
24269991615,1cyclictest65850irq/126-lan21:25:123
24269991615,1cyclictest65850irq/126-lan21:10:143
24269991615,1cyclictest65850irq/126-lan19:30:143
24269991615,1cyclictest65850irq/126-lan19:25:003
24269991515,0cyclictest65850irq/126-lan23:00:203
24269991515,0cyclictest65850irq/126-lan21:50:153
24269991514,1cyclictest65850irq/126-lan23:30:153
24269991514,1cyclictest65850irq/126-lan22:55:003
24269991514,1cyclictest65850irq/126-lan21:40:123
24269991514,1cyclictest65850irq/126-lan20:40:073
24269991514,1cyclictest65850irq/126-lan19:25:013
24269991514,1cyclictest65850irq/126-lan00:30:213
24269991514,1cyclictest65850irq/126-lan00:15:003
24269991414,0cyclictest65850irq/126-lan23:35:193
24269991414,0cyclictest65850irq/126-lan23:25:173
24269991414,0cyclictest65850irq/126-lan23:23:393
24269991414,0cyclictest65850irq/126-lan23:15:163
24269991414,0cyclictest65850irq/126-lan22:05:133
24269991414,0cyclictest65850irq/126-lan19:40:323
24269991414,0cyclictest65850irq/126-lan00:39:063
24269991413,1cyclictest65850irq/126-lan22:15:123
24269991413,1cyclictest65850irq/126-lan21:35:213
24269991413,1cyclictest65850irq/126-lan21:00:093
24269991413,1cyclictest65850irq/126-lan21:00:093
24269991313,0cyclictest65850irq/126-lan21:08:483
24269991312,1cyclictest65850irq/126-lan23:45:203
24269991312,1cyclictest65850irq/126-lan22:45:113
24269991312,1cyclictest65850irq/126-lan21:30:163
24269991212,0cyclictest65850irq/126-lan20:35:433
24269991212,0cyclictest65850irq/126-lan20:30:173
24269991211,1cyclictest65850irq/126-lan22:25:133
24269991211,1cyclictest65850irq/126-lan20:53:273
24269991111,0cyclictest65850irq/126-lan20:47:153
24269991110,1cyclictest65850irq/126-lan19:45:013
24269991110,1cyclictest65850irq/126-lan00:20:143
2426999109,1cyclictest65850irq/126-lan21:55:153
242699999,0cyclictest65850irq/126-lan22:35:153
242639998,1cyclictest743-21snmpd22:08:252
242639998,1cyclictest743-21snmpd20:57:572
242639998,1cyclictest743-21snmpd20:05:082
242539998,1cyclictest743-21snmpd21:34:130
242539998,1cyclictest743-21snmpd21:19:100
242539998,1cyclictest743-21snmpd20:26:530
242539998,1cyclictest741-21lldpd22:54:320
242539998,1cyclictest741-21lldpd00:20:560
242539996,2cyclictest13217-21head23:20:120
242699988,0cyclictest741-21lldpd20:27:203
242639988,0cyclictest743-21snmpd23:29:462
242639988,0cyclictest743-21snmpd22:34:092
242639988,0cyclictest743-21snmpd22:22:472
242639988,0cyclictest743-21snmpd19:52:132
242639988,0cyclictest743-21snmpd19:44:042
242639988,0cyclictest743-21snmpd19:16:392
242639988,0cyclictest741-21lldpd21:29:452
242639987,1cyclictest743-21snmpd19:45:102
242639987,1cyclictest522-21avahi-daemon23:00:132
242639986,2cyclictest743-21snmpd23:52:412
242639986,2cyclictest743-21snmpd23:24:132
242639986,2cyclictest743-21snmpd22:53:002
242639986,2cyclictest743-21snmpd20:33:172
242639986,2cyclictest743-21snmpd19:39:302
242639986,2cyclictest25298-21cat19:10:152
242589988,0cyclictest743-21snmpd23:05:191
242589988,0cyclictest743-21snmpd19:22:531
242589988,0cyclictest741-21lldpd23:46:351
242589988,0cyclictest741-21lldpd23:00:461
242589988,0cyclictest741-21lldpd22:34:441
242589988,0cyclictest741-21lldpd22:26:581
242589988,0cyclictest741-21lldpd21:54:021
242589988,0cyclictest741-21lldpd19:42:241
242589987,1cyclictest743-21snmpd23:29:041
242589987,1cyclictest741-21lldpd22:17:541
242589987,1cyclictest741-21lldpd20:10:501
242589987,1cyclictest741-21lldpd19:35:141
242589986,2cyclictest743-21snmpd23:18:221
242589986,2cyclictest743-21snmpd21:59:051
242589986,2cyclictest743-21snmpd21:07:271
242589986,2cyclictest743-21snmpd20:17:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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