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2026-03-06 - 23:13

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 Fri Mar 06, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14460991918,1cyclictest65850irq/126-lan12:10:142
14460991917,1cyclictest65850irq/126-lan10:23:392
14460991915,3cyclictest65850irq/126-lan11:00:002
14460991818,0cyclictest65850irq/126-lan11:00:152
14460991818,0cyclictest65850irq/126-lan07:55:122
14460991817,1cyclictest65850irq/126-lan11:35:112
14460991717,0cyclictest65850irq/126-lan11:08:062
14460991717,0cyclictest65850irq/126-lan10:15:472
14460991717,0cyclictest65850irq/126-lan09:51:242
14460991717,0cyclictest65850irq/126-lan09:45:122
14460991717,0cyclictest65850irq/126-lan08:03:302
14460991717,0cyclictest65850irq/126-lan07:40:152
14460991716,1cyclictest65850irq/126-lan09:15:132
14460991716,1cyclictest65850irq/126-lan07:50:112
14460991715,2cyclictest65850irq/126-lan12:30:202
14460991616,0cyclictest65850irq/126-lan11:27:482
14460991616,0cyclictest65850irq/126-lan07:45:152
14460991615,1cyclictest65850irq/126-lan10:40:142
14460991615,1cyclictest65850irq/126-lan09:40:192
14460991615,1cyclictest65850irq/126-lan09:07:332
14460991615,1cyclictest65850irq/126-lan08:40:152
14460991515,0cyclictest65850irq/126-lan12:05:162
14460991515,0cyclictest65850irq/126-lan10:10:142
14460991515,0cyclictest65850irq/126-lan10:05:202
14460991515,0cyclictest65850irq/126-lan10:00:122
14460991515,0cyclictest65850irq/126-lan08:53:352
14460991515,0cyclictest65850irq/126-lan08:37:412
14460991515,0cyclictest65850irq/126-lan07:35:272
14460991515,0cyclictest65850irq/126-lan07:19:402
14460991515,0cyclictest65850irq/126-lan07:10:122
14460991514,1cyclictest65850irq/126-lan10:25:182
14460991514,1cyclictest65850irq/126-lan08:45:182
14460991514,1cyclictest65850irq/126-lan08:10:132
14460991514,1cyclictest65850irq/126-lan08:08:322
14460991414,0cyclictest65850irq/126-lan12:38:412
14460991414,0cyclictest65850irq/126-lan11:50:162
14460991414,0cyclictest65850irq/126-lan11:15:212
14460991414,0cyclictest65850irq/126-lan09:30:142
14460991414,0cyclictest65850irq/126-lan09:00:222
14460991313,0cyclictest65850irq/126-lan10:50:232
14460991313,0cyclictest65850irq/126-lan10:33:512
14460991313,0cyclictest65850irq/126-lan09:35:112
14460991313,0cyclictest65850irq/126-lan09:25:152
14460991313,0cyclictest65850irq/126-lan08:26:402
14460991312,1cyclictest65850irq/126-lan12:15:132
14460991312,1cyclictest65850irq/126-lan11:55:182
14460991312,1cyclictest65850irq/126-lan11:45:162
14460991312,1cyclictest65850irq/126-lan11:20:162
14460991312,1cyclictest65850irq/126-lan09:20:132
14460991312,1cyclictest65850irq/126-lan08:20:172
14460991212,0cyclictest65850irq/126-lan08:30:002
14460991212,0cyclictest65850irq/126-lan07:20:152
14460991211,1cyclictest65850irq/126-lan12:25:152
14460991211,1cyclictest65850irq/126-lan07:30:132
14460991111,0cyclictest65850irq/126-lan11:10:162
14460991111,0cyclictest65850irq/126-lan10:35:192
14460991111,0cyclictest65850irq/126-lan07:25:112
1445699117,1cyclictest743-21snmpd09:40:341
1445699117,1cyclictest11624-21fschecks_time12:15:131
1445699115,3cyclictest743-21snmpd11:39:011
1446099109,1cyclictest65850irq/126-lan11:40:102
1446099109,1cyclictest65850irq/126-lan09:55:162
1446099109,1cyclictest65850irq/126-lan08:15:172
14460991010,0cyclictest65850irq/126-lan12:00:162
1445699108,2cyclictest741-21lldpd11:53:111
144659998,1cyclictest743-21snmpd10:07:463
144659998,1cyclictest741-21lldpd09:48:433
144609999,0cyclictest65850irq/126-lan11:30:192
144609999,0cyclictest65850irq/126-lan08:55:112
144569998,1cyclictest743-21snmpd07:13:191
144569996,1cyclictest743-21snmpd08:36:521
144519998,1cyclictest743-21snmpd08:38:580
144519998,1cyclictest743-21snmpd08:09:480
144659988,0cyclictest743-21snmpd11:49:203
144659988,0cyclictest743-21snmpd11:43:013
144659988,0cyclictest743-21snmpd09:57:463
144659988,0cyclictest743-21snmpd08:26:093
144659988,0cyclictest743-21snmpd08:01:323
144659988,0cyclictest741-21lldpd11:12:163
144659988,0cyclictest741-21lldpd11:05:443
144659988,0cyclictest741-21lldpd09:18:223
144659988,0cyclictest741-21lldpd09:04:243
144659988,0cyclictest741-21lldpd08:18:353
144659987,1cyclictest743-21snmpd10:27:263
144659987,1cyclictest743-21snmpd07:45:413
144659987,1cyclictest741-21lldpd09:20:053
144659987,1cyclictest741-21lldpd08:47:583
144659986,2cyclictest743-21snmpd10:21:403
144659986,2cyclictest743-21snmpd08:32:133
144659985,3cyclictest10937-21cat10:55:153
144609987,1cyclictest741-21lldpd09:10:542
144609986,2cyclictest743-21snmpd12:22:182
144569988,0cyclictest741-21lldpd10:26:031
144569988,0cyclictest741-21lldpd07:20:091
144569986,2cyclictest743-21snmpd12:01:541
144569986,2cyclictest743-21snmpd11:48:021
144569986,2cyclictest743-21snmpd11:26:581
144569986,2cyclictest743-21snmpd11:11:361
144569986,2cyclictest743-21snmpd09:02:251
144569986,2cyclictest717-21ntpd08:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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