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2026-06-30 - 04:52

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Tue Jun 30, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9076991818,0cyclictest65850irq/126-lan19:45:110
9076991817,1cyclictest65850irq/126-lan21:10:120
9076991717,0cyclictest65850irq/126-lan23:30:100
9076991717,0cyclictest65850irq/126-lan22:28:520
9076991717,0cyclictest65850irq/126-lan21:25:190
9076991717,0cyclictest65850irq/126-lan20:50:150
9076991717,0cyclictest65850irq/126-lan20:35:120
9076991717,0cyclictest65850irq/126-lan20:04:550
9076991717,0cyclictest65850irq/126-lan00:20:160
9076991716,1cyclictest743-21snmpd22:47:120
9076991716,1cyclictest65850irq/126-lan23:35:140
9076991716,1cyclictest65850irq/126-lan23:22:560
9076991716,1cyclictest65850irq/126-lan21:55:220
9076991716,1cyclictest65850irq/126-lan19:15:220
9076991716,1cyclictest65850irq/126-lan00:10:240
9076991616,0cyclictest743-21snmpd23:19:310
9076991616,0cyclictest65850irq/126-lan22:15:180
9076991616,0cyclictest65850irq/126-lan22:10:120
9076991616,0cyclictest65850irq/126-lan22:05:170
9076991616,0cyclictest65850irq/126-lan20:20:140
9076991616,0cyclictest65850irq/126-lan20:10:000
9076991616,0cyclictest65850irq/126-lan19:40:120
9076991616,0cyclictest65850irq/126-lan19:40:000
9076991615,1cyclictest65850irq/126-lan21:08:400
9076991615,1cyclictest65850irq/126-lan20:25:140
9076991515,0cyclictest743-21snmpd22:53:360
9076991515,0cyclictest743-21snmpd21:52:370
9076991515,0cyclictest743-21snmpd20:34:130
9076991515,0cyclictest65850irq/126-lan23:55:160
9076991515,0cyclictest65850irq/126-lan23:40:200
9076991515,0cyclictest65850irq/126-lan23:05:140
9076991515,0cyclictest65850irq/126-lan23:00:200
9076991515,0cyclictest65850irq/126-lan22:00:400
9076991515,0cyclictest65850irq/126-lan21:30:150
9076991515,0cyclictest65850irq/126-lan21:00:210
9076991515,0cyclictest65850irq/126-lan20:40:190
9076991515,0cyclictest65850irq/126-lan00:30:180
9076991515,0cyclictest65850irq/126-lan00:25:200
9076991514,1cyclictest65850irq/126-lan23:50:140
9076991514,1cyclictest65850irq/126-lan21:20:140
9076991514,1cyclictest65850irq/126-lan19:30:130
9076991414,0cyclictest9649-21cat21:45:140
9076991414,0cyclictest743-21snmpd23:11:130
9076991414,0cyclictest743-21snmpd22:41:450
9076991414,0cyclictest743-21snmpd22:35:540
9076991414,0cyclictest743-21snmpd00:39:070
9076991414,0cyclictest65850irq/126-lan22:57:400
9076991414,0cyclictest65850irq/126-lan22:30:170
9076991414,0cyclictest65850irq/126-lan22:20:400
9076991414,0cyclictest65850irq/126-lan21:44:470
9076991414,0cyclictest65850irq/126-lan21:15:040
9076991414,0cyclictest65850irq/126-lan20:15:090
9076991414,0cyclictest65850irq/126-lan19:20:230
9076991413,1cyclictest65850irq/126-lan21:35:220
9076991313,0cyclictest65850irq/126-lan23:45:210
9076991313,0cyclictest65850irq/126-lan20:45:120
9076991313,0cyclictest65850irq/126-lan20:05:140
9076991313,0cyclictest65850irq/126-lan19:55:120
9076991313,0cyclictest65850irq/126-lan19:26:570
9076991313,0cyclictest65850irq/126-lan00:15:180
9076991312,1cyclictest65850irq/126-lan23:27:030
9076991312,1cyclictest65850irq/126-lan19:50:170
9076991312,1cyclictest65850irq/126-lan19:10:220
9076991312,1cyclictest65850irq/126-lan00:00:140
9076991212,0cyclictest65850irq/126-lan00:07:210
907699109,1cyclictest65850irq/126-lan21:00:000
90889998,1cyclictest743-21snmpd23:53:483
90889998,1cyclictest743-21snmpd23:33:053
90889998,1cyclictest743-21snmpd20:45:593
90889998,1cyclictest741-21lldpd19:49:403
90819998,1cyclictest743-21snmpd22:49:211
90819998,1cyclictest743-21snmpd21:54:041
90819998,1cyclictest743-21snmpd21:34:161
90889988,0cyclictest743-21snmpd20:43:383
90889988,0cyclictest743-21snmpd19:19:053
90889988,0cyclictest743-21snmpd19:12:103
90889988,0cyclictest743-21snmpd00:15:153
90889988,0cyclictest741-21lldpd22:36:433
90889987,1cyclictest743-21snmpd23:57:153
90889987,1cyclictest743-21snmpd22:55:063
90889987,1cyclictest743-21snmpd22:50:093
90889987,1cyclictest743-21snmpd22:13:083
90889987,1cyclictest743-21snmpd22:03:173
90889987,1cyclictest743-21snmpd21:40:253
90889987,1cyclictest743-21snmpd00:28:013
90889986,2cyclictest743-21snmpd22:49:303
90889986,2cyclictest743-21snmpd21:45:433
90889986,2cyclictest743-21snmpd21:19:153
90889986,2cyclictest743-21snmpd00:01:003
90859988,0cyclictest743-21snmpd19:54:182
90859988,0cyclictest743-21snmpd19:34:552
90859988,0cyclictest743-21snmpd00:21:062
90859988,0cyclictest741-21lldpd23:49:562
90859988,0cyclictest741-21lldpd22:57:172
90859988,0cyclictest741-21lldpd19:35:562
90859987,1cyclictest743-21snmpd21:19:392
90859987,1cyclictest522-21avahi-daemon00:12:372
90859986,2cyclictest743-21snmpd21:32:582
90859986,2cyclictest743-21snmpd21:06:052
90859986,2cyclictest743-21snmpd00:05:362
90819988,0cyclictest743-21snmpd00:33:341
90819988,0cyclictest741-21lldpd23:33:361
90819988,0cyclictest741-21lldpd21:12:421
90819988,0cyclictest741-21lldpd00:14:501
90819987,1cyclictest743-21snmpd22:07:171
90819987,1cyclictest743-21snmpd21:29:271
90819987,1cyclictest743-21snmpd19:40:261
90819987,1cyclictest743-21snmpd19:11:171
90819987,1cyclictest741-21lldpd00:25:541
90819986,2cyclictest743-21snmpd20:59:111
90819986,2cyclictest743-21snmpd20:00:471
90889977,0cyclictest743-21snmpd22:42:483
90889977,0cyclictest743-21snmpd22:17:563
90889977,0cyclictest743-21snmpd00:07:123
90889977,0cyclictest741-21lldpd20:23:293
90889977,0cyclictest741-21lldpd19:30:243
90889977,0cyclictest741-21lldpd00:36:123
90889976,1cyclictest743-21snmpd23:43:443
90889976,1cyclictest743-21snmpd20:28:373
90889976,1cyclictest743-21snmpd19:50:393
90889975,2cyclictest743-21snmpd23:47:293
90889975,2cyclictest743-21snmpd23:26:163
90889975,2cyclictest743-21snmpd22:31:093
90889975,2cyclictest743-21snmpd22:28:573
90889975,2cyclictest743-21snmpd21:29:123
90889975,2cyclictest743-21snmpd19:36:143
90889975,2cyclictest743-21snmpd00:20:273
90889973,3cyclictest10283-21ntpq23:05:173
90889972,5cyclictest557-21NetworkManager19:57:443
90859977,0cyclictest743-21snmpd21:04:052
90859977,0cyclictest743-21snmpd20:51:232
90859977,0cyclictest743-21snmpd19:55:212
90859977,0cyclictest743-21snmpd00:35:312
90859977,0cyclictest741-21lldpd23:54:282
90859977,0cyclictest741-21lldpd23:38:442
90859977,0cyclictest741-21lldpd23:02:152
90859977,0cyclictest741-21lldpd22:50:352
90859977,0cyclictest741-21lldpd22:20:272
90859977,0cyclictest741-21lldpd21:45:142
90859977,0cyclictest741-21lldpd21:24:212
90859977,0cyclictest741-21lldpd20:40:412
90859976,1cyclictest743-21snmpd22:26:592
90859976,1cyclictest743-21snmpd21:39:302
90859976,1cyclictest743-21snmpd20:36:072
90859976,1cyclictest522-21avahi-daemon20:10:242
90859976,1cyclictest22190-21cut22:15:172
90859975,2cyclictest743-21snmpd23:09:192
90859975,2cyclictest743-21snmpd20:21:432
90859975,2cyclictest743-21snmpd20:02:382
90859975,2cyclictest743-21snmpd19:28:502
90859975,2cyclictest22245-21cat19:40:142
90819977,0cyclictest743-21snmpd23:06:551
90819977,0cyclictest743-21snmpd21:21:061
90819977,0cyclictest743-21snmpd20:47:171
90819977,0cyclictest741-21lldpd21:08:091
90819977,0cyclictest741-21lldpd20:54:591
90819976,1cyclictest743-21snmpd19:34:371
90819976,1cyclictest741-21lldpd19:38:461
90819976,1cyclictest741-21lldpd19:27:201
90819976,1cyclictest728-21rs:main1
90819976,1cyclictest244-20systemd-journal19:20:211
90819975,2cyclictest743-21snmpd21:55:461
90889966,0cyclictest743-21snmpd20:30:363
90889966,0cyclictest741-21lldpd19:20:103
90889966,0cyclictest522-21avahi-daemon21:33:553
90889966,0cyclictest244-20systemd-journal00:13:513
90889965,1cyclictest522-21avahi-daemon20:52:023
90889965,1cyclictest11849-21gltestperf23:10:133
90889965,1cyclictest11553-21cpuspeed_turbos00:30:123
90889964,2cyclictest743-21snmpd23:16:463
90889964,2cyclictest743-21snmpd21:59:233
90889962,3cyclictest22895-21fw_packets21:00:143
90859966,0cyclictest743-21snmpd23:42:592
90859966,0cyclictest743-21snmpd23:10:512
90859966,0cyclictest743-21snmpd22:34:242
90859966,0cyclictest743-21snmpd22:12:352
90859966,0cyclictest743-21snmpd21:59:352
90859966,0cyclictest741-21lldpd23:15:472
90859966,0cyclictest741-21lldpd22:01:422
90859966,0cyclictest741-21lldpd21:52:002
90859966,0cyclictest741-21lldpd21:11:062
90859966,0cyclictest741-21lldpd19:48:462
90859966,0cyclictest522-21avahi-daemon20:30:102
90859965,1cyclictest9540-21cpuspeed_turbos00:25:122
90859965,1cyclictest743-21snmpd19:20:322
90859965,1cyclictest741-21lldpd20:15:502
90859965,1cyclictest1538-21cpuspeed_turbos22:45:102
90859965,1cyclictest11727-21cat19:15:152
90859964,2cyclictest743-21snmpd22:42:182
90859964,2cyclictest743-21snmpd22:08:142
90859964,2cyclictest11924-21cat00:30:142
90859962,3cyclictest31709-21seq00:00:052
90819966,0cyclictest743-21snmpd23:52:171
90819966,0cyclictest743-21snmpd23:49:081
90819966,0cyclictest743-21snmpd22:40:441
90819966,0cyclictest743-21snmpd00:09:091
90819966,0cyclictest741-21lldpd22:37:471
90819966,0cyclictest741-21lldpd22:29:011
90819966,0cyclictest741-21lldpd19:46:281
90819965,1cyclictest743-21snmpd23:24:351
90819965,1cyclictest743-21snmpd20:25:581
90819965,1cyclictest741-21lldpd22:55:161
90819965,1cyclictest741-21lldpd20:22:091
90819965,1cyclictest27919-21cpuspeed_turbos19:55:121
90819964,2cyclictest743-21snmpd20:14:191
90819964,2cyclictest743-21snmpd00:04:001
90819963,3cyclictest23677-21apt-get23:40:111
90819963,2cyclictest5704-21fw_packets00:15:111
90819962,3cyclictest24572-21sed22:20:191
90819962,3cyclictest244-20systemd-journal20:35:301
90819962,3cyclictest15451-21diskstats22:00:131
90889955,0cyclictest522-21avahi-daemon20:05:383
90889954,1cyclictest743-21snmpd23:36:413
90889953,2cyclictest743-21snmpd23:04:043
90889953,2cyclictest743-21snmpd22:20:143
90889953,2cyclictest743-21snmpd20:16:063
90889953,2cyclictest743-21snmpd20:03:293
90889953,2cyclictest743-21snmpd19:25:553
90889952,2cyclictest11601-21sed21:50:133
90889951,3cyclictest26917-21fw_conntrack21:10:143
90889950,4cyclictest31394-21fw_forwarded_lo21:20:123
90889950,4cyclictest2365-21hddtemp_smartct20:10:133
90859955,0cyclictest522-21avahi-daemon20:55:192
90859954,1cyclictest0-21swapper/221:25:172
90859953,2cyclictest557-21NetworkManager23:20:002
90859953,2cyclictest30138-21cat23:55:132
90859952,2cyclictest32581-21tune2fs20:05:132
90859951,3cyclictest30643-21grep22:35:212
90859951,3cyclictest18177-21memory23:25:152
90819955,0cyclictest743-21snmpd21:43:521
90819955,0cyclictest522-21avahi-daemon20:43:161
90819955,0cyclictest30005-21gltestperf23:55:121
90819954,1cyclictest743-21snmpd00:36:011
90819954,1cyclictest0-21swapper/122:15:001
90819952,3cyclictest557-21NetworkManager20:30:321
90819952,3cyclictest449-21memory20:05:151
90819952,3cyclictest22637-21grep21:00:121
90819952,2cyclictest244-20systemd-journal22:30:501
90819952,2cyclictest244-20systemd-journal21:47:471
90819952,2cyclictest11874-21wc19:15:151
90889942,2cyclictest511ktimers/322:05:113
90889942,2cyclictest25035-21cat21:05:143
90889942,2cyclictest21279-21ld20:55:173
90889941,2cyclictest5726-21cut21:35:143
90889941,2cyclictest21532-21dpkg19:40:003
90889941,2cyclictest16057-21interrupts23:20:143
90889940,4cyclictest12806-21ntpq20:35:163
90859944,0cyclictest741-21lldpd20:45:492
90859943,1cyclictest15240-21kworker/2:2+events_freezable_pwr_efficient00:15:052
90859942,2cyclictest7524-21grep21:40:142
90859942,2cyclictest717-21ntpd23:30:062
90859941,2cyclictest9182-21timerandwakeup20:25:222
90859940,4cyclictest9332-21cat19:10:122
90819943,1cyclictest331ktimers/123:00:111
90819943,1cyclictest18428-21ntpq23:25:171
90819942,2cyclictest8231-21ntpq00:20:191
90819942,2cyclictest743-21snmpd23:12:191
90819942,2cyclictest4171-21uniq20:15:111
90819942,2cyclictest26195-21sed19:50:141
90819941,2cyclictest3801-21grep22:50:151
90819941,2cyclictest14631-21sed23:15:211
90819940,4cyclictest22113-21ntpq22:15:161
90819940,4cyclictest21645-21apt-get23:35:111
90819940,3cyclictest29419-21ntpq21:15:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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