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2025-07-13 - 11:48

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 Sun Jul 13, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23710992525,0cyclictest24375-21fwupd21:25:221
23707991919,0cyclictest66850irq/125-lan22:02:400
23707991919,0cyclictest66850irq/125-lan20:51:020
23707991918,1cyclictest66850irq/125-lan23:52:210
23707991918,1cyclictest66850irq/125-lan22:28:010
23707991918,1cyclictest66850irq/125-lan22:16:170
23707991918,1cyclictest66850irq/125-lan22:09:490
23707991918,1cyclictest66850irq/125-lan21:41:260
23707991818,0cyclictest66850irq/125-lan23:44:150
23707991818,0cyclictest66850irq/125-lan23:14:260
23707991818,0cyclictest66850irq/125-lan23:07:500
23707991818,0cyclictest66850irq/125-lan22:59:540
23707991818,0cyclictest66850irq/125-lan21:27:030
23707991818,0cyclictest66850irq/125-lan21:15:110
23707991817,1cyclictest66850irq/125-lan23:55:190
23707991817,1cyclictest66850irq/125-lan23:17:500
23707991817,1cyclictest66850irq/125-lan22:52:360
23707991817,1cyclictest66850irq/125-lan22:45:000
23707991817,1cyclictest66850irq/125-lan22:31:100
23707991817,1cyclictest66850irq/125-lan21:50:170
23707991817,1cyclictest66850irq/125-lan20:55:230
23707991817,1cyclictest66850irq/125-lan20:15:210
23707991817,1cyclictest66850irq/125-lan00:21:290
23707991817,1cyclictest66850irq/125-lan00:00:180
23707991717,0cyclictest66850irq/125-lan23:38:280
23707991717,0cyclictest66850irq/125-lan22:10:160
23707991717,0cyclictest66850irq/125-lan21:33:080
23707991717,0cyclictest66850irq/125-lan21:10:130
23707991717,0cyclictest66850irq/125-lan21:05:140
23707991717,0cyclictest66850irq/125-lan20:48:440
23707991717,0cyclictest66850irq/125-lan20:20:160
23707991717,0cyclictest66850irq/125-lan19:30:140
23707991717,0cyclictest66850irq/125-lan00:25:130
23707991717,0cyclictest66850irq/125-lan00:05:220
23707991716,1cyclictest66850irq/125-lan23:45:170
23707991716,1cyclictest66850irq/125-lan23:30:150
23707991716,1cyclictest66850irq/125-lan23:25:150
23707991716,1cyclictest66850irq/125-lan23:24:540
23707991716,1cyclictest66850irq/125-lan23:04:160
23707991716,1cyclictest66850irq/125-lan22:43:520
23707991716,1cyclictest66850irq/125-lan22:21:020
23707991716,1cyclictest66850irq/125-lan21:59:100
23707991716,1cyclictest66850irq/125-lan21:45:140
23707991716,1cyclictest66850irq/125-lan21:35:420
23707991716,1cyclictest66850irq/125-lan21:20:010
23707991716,1cyclictest66850irq/125-lan19:24:360
23707991716,1cyclictest66850irq/125-lan00:36:540
23707991716,1cyclictest66850irq/125-lan00:30:140
23707991716,1cyclictest66850irq/125-lan00:10:220
23707991616,0cyclictest66850irq/125-lan20:35:220
23707991616,0cyclictest66850irq/125-lan19:40:300
23707991616,0cyclictest66850irq/125-lan19:15:210
23707991616,0cyclictest66850irq/125-lan19:10:230
23707991616,0cyclictest66850irq/125-lan00:19:080
23707991615,1cyclictest66850irq/125-lan22:39:520
23707991615,1cyclictest66850irq/125-lan20:30:180
23707991615,1cyclictest66850irq/125-lan20:05:230
23707991615,1cyclictest66850irq/125-lan19:45:160
23707991615,1cyclictest66850irq/125-lan19:35:230
23707991515,0cyclictest66850irq/125-lan20:02:350
23707991515,0cyclictest66850irq/125-lan19:50:160
23707991313,0cyclictest66850irq/125-lan20:25:040
23707991211,1cyclictest66850irq/125-lan20:40:230
23707991211,1cyclictest66850irq/125-lan19:55:160
23707991211,1cyclictest66850irq/125-lan19:25:120
2370799109,1cyclictest66850irq/125-lan21:00:190
237219998,1cyclictest9344-21ntp_kernel_pll_21:10:163
237219998,1cyclictest771-21snmpd19:24:183
237219995,3cyclictest255-20systemd-journal22:25:313
237179998,1cyclictest771-21snmpd00:02:582
237179998,1cyclictest769-21lldpd19:39:372
237109998,1cyclictest771-21snmpd19:10:351
237109998,1cyclictest769-21lldpd19:23:551
237079999,0cyclictest66850irq/125-lan20:10:010
237219988,0cyclictest771-21snmpd22:04:183
237219988,0cyclictest771-21snmpd21:35:233
237219988,0cyclictest771-21snmpd20:05:383
237219988,0cyclictest769-21lldpd23:39:253
237219988,0cyclictest769-21lldpd21:53:273
237219988,0cyclictest769-21lldpd19:38:293
237219988,0cyclictest517-21systemd-resolve00:21:413
237219987,1cyclictest771-21snmpd23:29:273
237219987,1cyclictest771-21snmpd00:02:523
237219987,1cyclictest769-21lldpd21:08:013
237219987,1cyclictest517-21systemd-resolve22:24:593
237219986,2cyclictest771-21snmpd19:15:183
237179988,0cyclictest771-21snmpd23:42:032
237179988,0cyclictest769-21lldpd23:30:442
237179988,0cyclictest769-21lldpd22:11:522
237179988,0cyclictest769-21lldpd22:05:402
237179988,0cyclictest769-21lldpd19:52:342
237179987,1cyclictest771-21snmpd23:47:192
237179987,1cyclictest771-21snmpd20:11:132
237179987,1cyclictest526-21dbus-daemon21:25:212
237179987,1cyclictest524-21avahi-daemon23:05:432
237179986,2cyclictest771-21snmpd22:41:552
237179986,2cyclictest771-21snmpd22:18:152
237179986,2cyclictest771-21snmpd20:03:442
237179986,2cyclictest771-21snmpd19:24:212
237179986,2cyclictest771-21snmpd00:30:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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