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2026-06-09 - 14:46

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 Tue Jun 09, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13131992019,1cyclictest65850irq/126-lan07:45:113
13131991918,1cyclictest65850irq/126-lan08:15:133
13131991918,1cyclictest65850irq/126-lan07:44:003
13131991817,1cyclictest65850irq/126-lan08:20:183
13131991817,1cyclictest65850irq/126-lan07:50:143
13123991818,0cyclictest65850irq/126-lan11:30:121
13123991818,0cyclictest65850irq/126-lan09:47:441
13131991717,0cyclictest65850irq/126-lan08:25:173
13123991717,0cyclictest65850irq/126-lan12:26:141
13123991717,0cyclictest65850irq/126-lan12:20:151
13123991717,0cyclictest65850irq/126-lan12:04:591
13123991717,0cyclictest65850irq/126-lan11:57:001
13123991717,0cyclictest65850irq/126-lan11:00:001
13123991717,0cyclictest65850irq/126-lan10:10:121
13123991717,0cyclictest65850irq/126-lan09:54:221
13123991717,0cyclictest65850irq/126-lan09:31:071
13123991717,0cyclictest65850irq/126-lan09:25:121
13131991616,0cyclictest65850irq/126-lan08:35:113
13131991616,0cyclictest65850irq/126-lan08:10:123
13131991615,1cyclictest65850irq/126-lan08:45:133
13131991615,1cyclictest65850irq/126-lan08:40:293
13123991616,0cyclictest65850irq/126-lan12:10:141
13123991616,0cyclictest65850irq/126-lan11:50:131
13123991616,0cyclictest65850irq/126-lan11:40:131
13123991616,0cyclictest65850irq/126-lan11:25:151
13123991616,0cyclictest65850irq/126-lan10:44:291
13123991616,0cyclictest65850irq/126-lan10:30:111
13123991616,0cyclictest65850irq/126-lan10:25:141
13123991616,0cyclictest65850irq/126-lan09:35:131
13123991616,0cyclictest65850irq/126-lan09:00:151
13123991615,1cyclictest65850irq/126-lan11:10:001
13131991514,1cyclictest65850irq/126-lan08:30:173
13123991515,0cyclictest65850irq/126-lan11:20:261
13123991515,0cyclictest65850irq/126-lan10:48:291
13123991515,0cyclictest65850irq/126-lan09:09:451
13131991414,0cyclictest65850irq/126-lan08:05:153
13131991414,0cyclictest65850irq/126-lan07:10:283
13123991414,0cyclictest65850irq/126-lan12:08:291
13123991414,0cyclictest65850irq/126-lan10:05:231
13123991414,0cyclictest65850irq/126-lan09:56:421
13123991414,0cyclictest65850irq/126-lan09:44:191
13123991414,0cyclictest65850irq/126-lan09:10:161
13131991313,0cyclictest65850irq/126-lan07:15:133
13131991312,1cyclictest65850irq/126-lan08:00:193
13131991312,1cyclictest65850irq/126-lan07:35:133
13131991312,1cyclictest65850irq/126-lan07:33:523
13123991313,0cyclictest65850irq/126-lan12:30:111
13123991313,0cyclictest65850irq/126-lan11:35:101
13123991313,0cyclictest65850irq/126-lan10:00:191
13131991212,0cyclictest65850irq/126-lan07:20:133
13131991211,1cyclictest65850irq/126-lan07:25:113
13123991212,0cyclictest65850irq/126-lan12:35:181
13123991212,0cyclictest65850irq/126-lan10:55:111
13123991212,0cyclictest65850irq/126-lan10:35:161
13123991212,0cyclictest65850irq/126-lan10:20:181
13123991212,0cyclictest65850irq/126-lan09:20:191
13123991212,0cyclictest65850irq/126-lan09:15:171
13123991212,0cyclictest65850irq/126-lan08:55:151
13123991212,0cyclictest65850irq/126-lan08:51:281
13131991111,0cyclictest65850irq/126-lan08:50:003
13131991110,1cyclictest65850irq/126-lan07:55:173
13123991111,0cyclictest65850irq/126-lan12:19:491
13123991111,0cyclictest65850irq/126-lan11:45:291
13123991010,0cyclictest65850irq/126-lan11:05:151
131319998,1cyclictest743-21snmpd09:49:383
131319998,1cyclictest743-21snmpd08:59:513
131289998,1cyclictest743-21snmpd10:41:062
131289998,1cyclictest743-21snmpd09:16:542
131289998,1cyclictest743-21snmpd08:29:082
131239999,0cyclictest65850irq/126-lan11:15:161
131239998,1cyclictest743-21snmpd08:26:381
131199998,1cyclictest743-21snmpd12:01:240
131199998,1cyclictest743-21snmpd11:02:520
131199998,1cyclictest743-21snmpd07:26:170
131319988,0cyclictest743-21snmpd11:56:423
131319988,0cyclictest743-21snmpd10:59:493
131319988,0cyclictest741-21lldpd12:12:373
131319988,0cyclictest741-21lldpd12:00:373
131319988,0cyclictest741-21lldpd09:40:433
131319987,1cyclictest743-21snmpd10:08:323
131319987,1cyclictest743-21snmpd09:31:553
131319986,2cyclictest743-21snmpd12:18:163
131319986,2cyclictest743-21snmpd09:00:423
131319986,2cyclictest717-21ntpd12:31:263
131319986,2cyclictest717-21ntpd12:27:143
131319986,2cyclictest717-21ntpd12:24:263
131319985,2cyclictest743-21snmpd09:38:003
131289988,0cyclictest743-21snmpd08:48:112
131289988,0cyclictest741-21lldpd10:03:292
131289988,0cyclictest741-21lldpd08:39:502
131289988,0cyclictest741-21lldpd07:51:312
131289987,1cyclictest743-21snmpd07:31:532
131289987,1cyclictest743-21snmpd07:17:522
131289987,1cyclictest244-20systemd-journal10:59:302
131289986,2cyclictest743-21snmpd09:57:172
131289986,2cyclictest743-21snmpd09:13:182
131289986,2cyclictest743-21snmpd08:56:182
131289986,2cyclictest743-21snmpd07:10:232
131239988,0cyclictest743-21snmpd08:15:431
131239988,0cyclictest741-21lldpd08:09:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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