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2025-11-16 - 17:55

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 Nov 16, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2093992019,1cyclictest66850irq/125-lan12:20:162
2093991918,1cyclictest66850irq/125-lan12:30:172
2093991918,1cyclictest66850irq/125-lan10:50:172
2093991918,1cyclictest66850irq/125-lan10:32:342
2093991918,1cyclictest66850irq/125-lan09:45:462
2093991818,0cyclictest66850irq/125-lan12:13:352
2093991818,0cyclictest66850irq/125-lan12:00:132
2093991818,0cyclictest66850irq/125-lan10:55:172
2093991818,0cyclictest66850irq/125-lan10:09:532
2093991818,0cyclictest66850irq/125-lan10:01:342
2093991818,0cyclictest66850irq/125-lan09:44:302
2093991818,0cyclictest66850irq/125-lan09:44:302
2093991818,0cyclictest66850irq/125-lan08:50:342
2093991817,1cyclictest66850irq/125-lan11:50:172
2093991817,1cyclictest66850irq/125-lan11:45:142
2093991817,1cyclictest66850irq/125-lan11:25:542
2093991817,1cyclictest66850irq/125-lan11:20:212
2093991817,1cyclictest66850irq/125-lan11:19:572
2093991817,1cyclictest66850irq/125-lan11:07:112
2093991817,1cyclictest66850irq/125-lan10:14:232
2093991817,1cyclictest66850irq/125-lan09:55:172
2093991817,1cyclictest66850irq/125-lan09:51:582
2093991817,1cyclictest66850irq/125-lan09:30:212
2093991817,1cyclictest66850irq/125-lan09:26:532
2093991817,1cyclictest66850irq/125-lan09:18:362
2093991717,0cyclictest66850irq/125-lan12:26:242
2093991717,0cyclictest66850irq/125-lan12:15:192
2093991717,0cyclictest66850irq/125-lan10:36:522
2093991717,0cyclictest66850irq/125-lan10:21:372
2093991717,0cyclictest66850irq/125-lan10:19:122
2093991717,0cyclictest66850irq/125-lan09:10:072
2093991717,0cyclictest66850irq/125-lan08:45:142
2093991716,1cyclictest66850irq/125-lan12:05:222
2093991716,1cyclictest66850irq/125-lan11:56:012
2093991716,1cyclictest66850irq/125-lan11:41:412
2093991716,1cyclictest66850irq/125-lan11:35:582
2093991716,1cyclictest66850irq/125-lan11:33:482
2093991716,1cyclictest66850irq/125-lan11:10:182
2093991716,1cyclictest66850irq/125-lan09:35:132
2093991716,1cyclictest66850irq/125-lan09:35:122
2093991716,1cyclictest66850irq/125-lan08:35:202
2093991716,1cyclictest66850irq/125-lan07:17:002
2093991715,1cyclictest66850irq/125-lan12:35:052
2093991616,0cyclictest66850irq/125-lan10:45:212
2093991616,0cyclictest66850irq/125-lan07:14:522
2093991615,1cyclictest66850irq/125-lan11:03:502
2093991615,1cyclictest66850irq/125-lan10:44:112
2093991615,1cyclictest66850irq/125-lan10:25:132
2093991615,1cyclictest66850irq/125-lan09:20:162
2093991615,1cyclictest66850irq/125-lan08:05:202
2093991615,1cyclictest66850irq/125-lan07:50:222
2093991515,0cyclictest66850irq/125-lan09:06:432
2093991515,0cyclictest66850irq/125-lan08:30:172
2093991515,0cyclictest66850irq/125-lan08:15:162
2093991514,1cyclictest66850irq/125-lan07:55:012
2093991514,1cyclictest66850irq/125-lan07:30:192
2093991514,1cyclictest66850irq/125-lan07:25:192
2093991414,0cyclictest66850irq/125-lan08:40:292
2093991414,0cyclictest66850irq/125-lan08:25:172
2093991414,0cyclictest66850irq/125-lan07:20:142
2093991413,1cyclictest66850irq/125-lan08:20:222
2093991413,1cyclictest66850irq/125-lan07:40:202
2093991413,1cyclictest66850irq/125-lan07:35:192
2093991312,1cyclictest66850irq/125-lan09:00:232
2093991110,1cyclictest66850irq/125-lan07:49:312
20979998,1cyclictest769-21lldpd07:40:053
20979998,1cyclictest517-21systemd-resolve09:49:263
20859998,1cyclictest771-21snmpd08:59:011
20859998,1cyclictest517-21systemd-resolve11:03:211
20859994,2cyclictest22995-21sshd12:05:461
20799998,1cyclictest771-21snmpd11:58:370
20799998,1cyclictest771-21snmpd09:32:310
20799998,1cyclictest771-21snmpd08:26:150
20799998,1cyclictest771-21snmpd07:23:150
20799998,1cyclictest517-21systemd-resolve12:29:410
20799995,4cyclictest19155-21sed10:20:140
20979988,0cyclictest771-21snmpd11:44:493
20979988,0cyclictest771-21snmpd11:38:123
20979988,0cyclictest771-21snmpd08:58:303
20979988,0cyclictest771-21snmpd08:00:583
20979988,0cyclictest769-21lldpd09:32:353
20979988,0cyclictest769-21lldpd09:26:063
20979988,0cyclictest769-21lldpd07:55:513
20979987,1cyclictest771-21snmpd12:06:043
20979987,1cyclictest771-21snmpd11:29:523
20979987,1cyclictest771-21snmpd11:09:203
20979987,1cyclictest769-21lldpd12:34:153
20979987,1cyclictest28324-21fschecks_count10:30:173
20979986,2cyclictest771-21snmpd10:13:583
20979986,2cyclictest771-21snmpd07:20:423
20979986,2cyclictest5141-21cat08:35:173
20979986,1cyclictest7067-21grep08:40:173
20979985,2cyclictest771-21snmpd11:19:273
20979983,5cyclictest550-21NetworkManager09:54:323
20939987,1cyclictest66850irq/125-lan08:56:472
20939987,1cyclictest66850irq/125-lan08:00:242
20859988,0cyclictest771-21snmpd12:17:171
20859988,0cyclictest771-21snmpd11:33:041
20859988,0cyclictest771-21snmpd10:32:291
20859988,0cyclictest769-21lldpd11:40:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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