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2025-12-11 - 21:22

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 Thu Dec 11, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21315994242,0cyclictest11603-21fwupd11:39:083
21311992019,1cyclictest66850irq/125-lan11:00:172
21311991918,1cyclictest66850irq/125-lan11:40:142
21311991918,1cyclictest66850irq/125-lan11:37:332
21311991918,1cyclictest66850irq/125-lan11:30:132
21311991918,1cyclictest66850irq/125-lan11:17:132
21311991918,1cyclictest66850irq/125-lan10:45:122
21311991918,1cyclictest66850irq/125-lan09:40:192
21311991918,1cyclictest66850irq/125-lan09:22:402
21311991818,0cyclictest66850irq/125-lan12:15:122
21311991818,0cyclictest66850irq/125-lan12:10:522
21311991818,0cyclictest66850irq/125-lan11:26:292
21311991818,0cyclictest66850irq/125-lan10:35:182
21311991817,1cyclictest66850irq/125-lan12:36:402
21311991817,1cyclictest66850irq/125-lan12:31:142
21311991817,1cyclictest66850irq/125-lan12:25:142
21311991817,1cyclictest66850irq/125-lan12:20:152
21311991817,1cyclictest66850irq/125-lan12:04:152
21311991817,1cyclictest66850irq/125-lan11:55:172
21311991817,1cyclictest66850irq/125-lan10:40:172
21311991817,1cyclictest66850irq/125-lan10:31:062
21311991817,1cyclictest66850irq/125-lan10:28:362
21311991817,1cyclictest66850irq/125-lan10:07:272
21311991817,1cyclictest66850irq/125-lan10:04:092
21311991817,1cyclictest66850irq/125-lan09:45:062
21311991817,1cyclictest66850irq/125-lan09:34:352
21311991817,1cyclictest66850irq/125-lan09:00:272
21311991717,0cyclictest66850irq/125-lan11:24:132
21311991717,0cyclictest66850irq/125-lan10:50:502
21311991717,0cyclictest66850irq/125-lan10:10:142
21311991717,0cyclictest66850irq/125-lan08:10:192
21311991717,0cyclictest66850irq/125-lan07:40:132
21311991717,0cyclictest66850irq/125-lan07:20:202
21311991716,1cyclictest66850irq/125-lan12:05:192
21311991716,1cyclictest66850irq/125-lan11:50:162
21311991716,1cyclictest66850irq/125-lan11:45:512
21311991716,1cyclictest66850irq/125-lan11:10:152
21311991716,1cyclictest66850irq/125-lan11:06:352
21311991716,1cyclictest66850irq/125-lan09:12:412
21311991716,1cyclictest20809-21kworker/2:1+events09:28:002
21311991616,0cyclictest66850irq/125-lan10:57:312
21311991616,0cyclictest66850irq/125-lan10:20:002
21311991616,0cyclictest66850irq/125-lan09:50:342
21311991616,0cyclictest66850irq/125-lan09:36:042
21311991615,1cyclictest66850irq/125-lan10:15:172
21311991615,1cyclictest66850irq/125-lan09:56:582
21311991615,1cyclictest66850irq/125-lan09:15:332
21311991615,1cyclictest66850irq/125-lan08:15:192
21311991615,1cyclictest66850irq/125-lan07:45:172
21311991515,0cyclictest66850irq/125-lan09:05:212
21311991515,0cyclictest66850irq/125-lan08:55:162
21311991515,0cyclictest66850irq/125-lan08:45:162
21311991515,0cyclictest66850irq/125-lan08:30:172
21311991515,0cyclictest66850irq/125-lan07:35:012
21311991514,1cyclictest66850irq/125-lan08:39:282
21311991514,1cyclictest66850irq/125-lan07:55:222
21311991413,1cyclictest66850irq/125-lan08:25:142
21311991313,0cyclictest66850irq/125-lan08:00:152
21311991313,0cyclictest66850irq/125-lan07:35:212
21311991212,0cyclictest66850irq/125-lan08:50:202
21311991211,1cyclictest66850irq/125-lan07:25:132
21311991111,0cyclictest66850irq/125-lan08:20:192
21311991110,1cyclictest66850irq/125-lan07:19:352
2131199109,1cyclictest66850irq/125-lan07:10:202
213159998,1cyclictest771-21snmpd08:39:463
213159998,1cyclictest769-21lldpd11:32:273
213119999,0cyclictest66850irq/125-lan07:50:192
213029998,1cyclictest769-21lldpd11:45:130
213029998,1cyclictest517-21systemd-resolve09:56:040
213159988,0cyclictest771-21snmpd09:57:543
213159988,0cyclictest771-21snmpd09:22:593
213159988,0cyclictest771-21snmpd08:26:333
213159988,0cyclictest771-21snmpd08:03:393
213159988,0cyclictest769-21lldpd11:45:233
213159988,0cyclictest769-21lldpd11:23:453
213159988,0cyclictest769-21lldpd10:08:263
213159988,0cyclictest769-21lldpd08:16:423
213159988,0cyclictest769-21lldpd07:43:543
213159987,1cyclictest771-21snmpd12:12:583
213159987,1cyclictest771-21snmpd09:32:203
213159987,1cyclictest771-21snmpd07:34:263
213159987,1cyclictest769-21lldpd12:23:063
213159987,1cyclictest769-21lldpd12:00:573
213159987,1cyclictest517-21systemd-resolve09:19:123
213079988,0cyclictest771-21snmpd10:52:351
213079988,0cyclictest769-21lldpd10:15:261
213079988,0cyclictest769-21lldpd09:23:411
213079988,0cyclictest769-21lldpd09:19:351
213079988,0cyclictest769-21lldpd08:48:031
213079987,1cyclictest771-21snmpd11:53:221
213079987,1cyclictest771-21snmpd08:13:331
213079987,1cyclictest524-21avahi-daemon10:39:551
213079987,1cyclictest517-21systemd-resolve12:12:241
213079987,1cyclictest517-21systemd-resolve11:42:241
213079987,1cyclictest16471-21fschecks_time08:15:141
213079986,2cyclictest771-21snmpd11:26:451
213079986,2cyclictest771-21snmpd09:47:061
213029988,0cyclictest771-21snmpd10:54:240
213029988,0cyclictest771-21snmpd09:23:530
213029988,0cyclictest771-21snmpd07:30:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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