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2026-06-22 - 09:57

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 all highest latencies:
System rack8slot6s.osadl.org (updated Mon Jun 22, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17047991919,0cyclictest65850irq/126-lan20:36:430
17047991918,1cyclictest65850irq/126-lan23:07:490
17047991918,1cyclictest65850irq/126-lan00:15:110
17047991818,0cyclictest65850irq/126-lan20:28:280
17047991817,1cyclictest65850irq/126-lan22:10:120
17047991817,1cyclictest65850irq/126-lan22:09:520
17047991817,1cyclictest65850irq/126-lan19:56:560
17047991817,1cyclictest65850irq/126-lan19:50:170
17047991817,1cyclictest65850irq/126-lan00:00:190
17047991717,0cyclictest65850irq/126-lan23:10:500
17047991717,0cyclictest65850irq/126-lan21:45:170
17047991717,0cyclictest65850irq/126-lan20:56:240
17047991716,1cyclictest65850irq/126-lan23:30:130
17047991716,1cyclictest65850irq/126-lan22:40:150
17047991716,1cyclictest65850irq/126-lan22:15:160
17047991716,1cyclictest65850irq/126-lan22:00:120
17047991716,1cyclictest65850irq/126-lan20:15:110
17047991716,1cyclictest65850irq/126-lan20:05:120
17047991716,1cyclictest65850irq/126-lan19:35:140
17047991616,0cyclictest65850irq/126-lan23:40:200
17047991616,0cyclictest65850irq/126-lan22:30:230
17047991616,0cyclictest65850irq/126-lan22:25:180
17047991616,0cyclictest65850irq/126-lan22:20:160
17047991616,0cyclictest65850irq/126-lan21:50:170
17047991616,0cyclictest65850irq/126-lan20:31:370
17047991616,0cyclictest65850irq/126-lan20:20:130
17047991616,0cyclictest65850irq/126-lan19:45:230
17047991615,1cyclictest65850irq/126-lan23:37:110
17047991615,1cyclictest65850irq/126-lan21:20:150
17047991615,1cyclictest65850irq/126-lan21:15:180
17047991615,1cyclictest65850irq/126-lan21:14:130
17047991615,1cyclictest65850irq/126-lan20:01:440
17047991615,1cyclictest65850irq/126-lan19:30:130
17047991615,1cyclictest65850irq/126-lan19:15:200
17047991615,1cyclictest65850irq/126-lan19:10:240
17047991615,1cyclictest65850irq/126-lan00:30:120
17047991514,1cyclictest65850irq/126-lan22:35:130
17047991514,1cyclictest65850irq/126-lan21:40:120
17047991514,1cyclictest65850irq/126-lan21:35:220
17047991514,1cyclictest65850irq/126-lan19:25:140
17047991414,0cyclictest65850irq/126-lan23:20:160
17047991414,0cyclictest65850irq/126-lan23:17:550
17047991414,0cyclictest65850irq/126-lan21:06:360
17047991413,1cyclictest65850irq/126-lan23:55:160
17047991413,1cyclictest65850irq/126-lan23:50:140
17047991413,1cyclictest65850irq/126-lan23:45:160
17047991413,1cyclictest65850irq/126-lan22:55:170
17047991413,1cyclictest65850irq/126-lan22:50:150
17047991413,1cyclictest65850irq/126-lan21:00:170
17047991413,1cyclictest65850irq/126-lan00:35:180
17047991413,1cyclictest65850irq/126-lan00:25:130
17047991313,0cyclictest65850irq/126-lan22:47:400
17047991313,0cyclictest65850irq/126-lan20:10:050
17047991313,0cyclictest65850irq/126-lan19:20:140
17047991313,0cyclictest65850irq/126-lan19:20:140
17047991313,0cyclictest65850irq/126-lan00:08:190
17047991312,1cyclictest65850irq/126-lan23:00:160
17047991312,1cyclictest65850irq/126-lan20:50:190
17047991312,1cyclictest65850irq/126-lan20:40:110
17047991312,1cyclictest65850irq/126-lan19:40:130
17047991212,0cyclictest65850irq/126-lan23:25:130
17047991212,0cyclictest65850irq/126-lan21:55:130
17047991212,0cyclictest65850irq/126-lan20:49:460
17047991211,1cyclictest65850irq/126-lan21:25:170
17047991211,1cyclictest65850irq/126-lan00:20:160
17047991110,1cyclictest65850irq/126-lan21:30:160
1705799108,2cyclictest1-21systemd22:10:242
170619998,1cyclictest743-21snmpd21:40:483
170619998,1cyclictest743-21snmpd20:57:323
170619998,1cyclictest743-21snmpd00:09:263
170579998,1cyclictest244-20systemd-journal21:25:132
170539998,1cyclictest743-21snmpd21:58:431
170539998,1cyclictest741-21lldpd22:21:361
170479999,0cyclictest65850irq/126-lan00:13:200
170619988,0cyclictest743-21snmpd23:39:283
170619988,0cyclictest743-21snmpd22:52:493
170619988,0cyclictest741-21lldpd20:38:393
170619988,0cyclictest741-21lldpd20:34:073
170619987,1cyclictest743-21snmpd21:15:383
170619987,1cyclictest743-21snmpd00:11:023
170619987,1cyclictest741-21lldpd19:24:263
170619987,1cyclictest741-21lldpd19:24:263
170619986,2cyclictest743-21snmpd23:54:313
170619986,2cyclictest743-21snmpd23:25:363
170619986,2cyclictest743-21snmpd23:22:573
170619986,2cyclictest743-21snmpd22:32:233
170619986,2cyclictest743-21snmpd22:09:163
170619986,2cyclictest743-21snmpd21:28:033
170579988,0cyclictest743-21snmpd23:15:002
170579988,0cyclictest743-21snmpd21:01:042
170579988,0cyclictest743-21snmpd19:53:572
170579988,0cyclictest743-21snmpd19:35:512
170579988,0cyclictest741-21lldpd21:40:402
170579988,0cyclictest741-21lldpd21:17:532
170579987,1cyclictest743-21snmpd21:08:172
170579987,1cyclictest743-21snmpd00:01:142
170579987,1cyclictest741-21lldpd22:02:412
170579986,2cyclictest743-21snmpd22:41:562
170579986,2cyclictest743-21snmpd20:04:532
170579986,2cyclictest743-21snmpd00:20:382
170539988,0cyclictest743-21snmpd23:14:091
170539988,0cyclictest743-21snmpd21:27:301
170539988,0cyclictest741-21lldpd23:31:201
170539988,0cyclictest741-21lldpd19:40:571
170539988,0cyclictest741-21lldpd19:13:081
170539987,1cyclictest743-21snmpd23:02:061
170539987,1cyclictest743-21snmpd22:07:331
170539987,1cyclictest743-21snmpd20:06:091
170539987,1cyclictest743-21snmpd20:01:021
170539987,1cyclictest743-21snmpd00:27:121
170539986,2cyclictest743-21snmpd21:00:371
170539986,2cyclictest743-21snmpd20:59:471
170539986,2cyclictest743-21snmpd20:48:311
170539986,2cyclictest743-21snmpd00:02:171
170539986,2cyclictest22603-21cat23:20:151
170539985,3cyclictest743-21snmpd22:03:431
170619977,0cyclictest743-21snmpd23:47:373
170619977,0cyclictest743-21snmpd22:43:083
170619977,0cyclictest743-21snmpd21:22:333
170619977,0cyclictest743-21snmpd20:07:403
170619977,0cyclictest741-21lldpd21:58:333
170619977,0cyclictest741-21lldpd19:51:353
170619977,0cyclictest741-21lldpd19:48:193
170619977,0cyclictest741-21lldpd19:32:173
170619977,0cyclictest741-21lldpd00:24:153
170619975,2cyclictest743-21snmpd23:13:453
170619975,2cyclictest743-21snmpd19:43:473
170619975,2cyclictest743-21snmpd00:33:303
170619972,5cyclictest557-21NetworkManager22:38:273
170579977,0cyclictest743-21snmpd22:22:302
170579977,0cyclictest743-21snmpd22:08:212
170579977,0cyclictest743-21snmpd20:24:552
170579977,0cyclictest743-21snmpd19:59:572
170579977,0cyclictest743-21snmpd19:16:582
170579977,0cyclictest741-21lldpd23:59:542
170579977,0cyclictest741-21lldpd22:37:442
170579977,0cyclictest741-21lldpd21:55:452
170579977,0cyclictest741-21lldpd20:11:022
170579977,0cyclictest522-21avahi-daemon23:48:512
170579977,0cyclictest522-21avahi-daemon19:28:262
170579976,1cyclictest743-21snmpd20:33:182
170579975,2cyclictest743-21snmpd21:49:492
170579975,2cyclictest743-21snmpd21:10:472
170579975,2cyclictest743-21snmpd20:06:062
170579975,2cyclictest743-21snmpd19:14:562
170579973,3cyclictest29487-21ntp_states23:35:182
170539977,0cyclictest743-21snmpd00:39:181
170539977,0cyclictest741-21lldpd23:41:591
170539977,0cyclictest741-21lldpd19:50:091
170539976,1cyclictest743-21snmpd23:16:031
170539976,1cyclictest741-21lldpd21:08:381
170539976,1cyclictest522-21avahi-daemon22:59:441
170539976,1cyclictest31772-21/usr/sbin/munin19:45:181
170539975,2cyclictest743-21snmpd23:53:161
170539975,2cyclictest743-21snmpd23:35:521
170539975,2cyclictest743-21snmpd22:51:021
170539975,2cyclictest743-21snmpd22:45:591
170539975,2cyclictest743-21snmpd22:36:201
170539975,2cyclictest743-21snmpd19:26:161
170539975,2cyclictest743-21snmpd00:23:321
170539975,2cyclictest743-21snmpd00:14:471
170539975,2cyclictest18254-21cat21:50:151
170619966,0cyclictest743-21snmpd20:20:223
170619966,0cyclictest743-21snmpd19:17:163
170619966,0cyclictest741-21lldpd22:18:053
170619966,0cyclictest741-21lldpd21:11:383
170619966,0cyclictest741-21lldpd19:37:073
170619966,0cyclictest741-21lldpd19:26:433
170619966,0cyclictest522-21avahi-daemon21:06:253
170619966,0cyclictest522-21avahi-daemon20:13:353
170619965,1cyclictest26696-21cpuspeed_turbos23:30:123
170619964,2cyclictest743-21snmpd22:29:383
170619964,2cyclictest743-21snmpd22:01:373
170619964,2cyclictest743-21snmpd21:03:283
170619964,2cyclictest743-21snmpd20:46:283
170619964,2cyclictest743-21snmpd19:59:263
170619963,3cyclictest28135-21sed22:15:003
170619963,2cyclictest15418-21sed23:00:223
170619960,3cyclictest19007-21awk19:15:013
170579966,0cyclictest743-21snmpd23:50:552
170579966,0cyclictest743-21snmpd23:28:012
170579966,0cyclictest743-21snmpd22:47:022
170579966,0cyclictest741-21lldpd23:02:062
170579966,0cyclictest741-21lldpd20:25:432
170579966,0cyclictest522-21avahi-daemon20:39:002
170579966,0cyclictest522-21avahi-daemon00:32:382
170579966,0cyclictest17289-21cut00:25:152
170579965,1cyclictest743-21snmpd23:30:042
170579965,1cyclictest743-21snmpd00:39:302
170579965,1cyclictest573-21in:imuxsock23:43:332
170579965,1cyclictest522-21avahi-daemon22:28:582
170579964,2cyclictest743-21snmpd23:07:392
170579964,2cyclictest0-21swapper/223:15:002
170579963,3cyclictest25577-21perl19:30:122
170579963,2cyclictest24288-21tail20:45:102
170539966,0cyclictest743-21snmpd22:33:021
170539965,1cyclictest743-21snmpd22:14:551
170539965,1cyclictest743-21snmpd20:27:431
170539965,1cyclictest522-21avahi-daemon20:30:551
170539965,1cyclictest522-21avahi-daemon19:38:301
170539965,1cyclictest0-21swapper/121:30:211
170539964,2cyclictest743-21snmpd21:37:031
170539964,2cyclictest743-21snmpd20:20:101
170539964,2cyclictest743-21snmpd00:05:201
170539964,2cyclictest319-21cat22:25:141
170539963,2cyclictest22942-21awk20:40:171
170539962,3cyclictest9993-21sh20:10:121
170619955,0cyclictest717-21ntpd00:00:033
170619955,0cyclictest522-21avahi-daemon20:42:573
170619954,1cyclictest743-21snmpd23:55:253
170619953,2cyclictest12486-21cat22:55:143
170619952,3cyclictest557-21NetworkManager23:15:113
170619952,3cyclictest557-21NetworkManager22:22:183
170619952,3cyclictest21717-21ntpq00:35:163
170619952,2cyclictest26185-21grep20:50:133
170619952,2cyclictest17163-21sshd21:45:243
170619952,2cyclictest10521-21ntpq21:30:163
170579955,0cyclictest743-21snmpd00:11:252
170579955,0cyclictest741-21lldpd22:18:012
170579955,0cyclictest522-21avahi-daemon22:32:222
170579954,1cyclictest743-21snmpd19:20:562
170579954,1cyclictest743-21snmpd19:20:562
170579954,1cyclictest28420-21cat20:55:142
170579954,1cyclictest0-21swapper/220:15:122
170579953,2cyclictest743-21snmpd19:49:362
170579953,2cyclictest743-21snmpd00:06:562
170579953,2cyclictest717-21ntpd20:51:442
170579953,2cyclictest30137-21sed19:40:122
170579952,2cyclictest22047-21grep20:40:112
170579952,2cyclictest12489-21cat22:55:142
170579952,2cyclictest11780-21grep21:35:132
170579951,2cyclictest12012-21cat22:55:002
170579950,4cyclictest13628-21ntpq00:15:152
170539955,0cyclictest728-21rs:main1
170539954,1cyclictest741-21lldpd23:26:531
170539954,1cyclictest522-21avahi-daemon22:15:021
170539954,1cyclictest0-21swapper/123:45:151
170539953,2cyclictest743-21snmpd19:59:541
170539952,3cyclictest743-21snmpd21:12:171
170539952,3cyclictest557-21NetworkManager19:20:451
170539952,3cyclictest557-21NetworkManager19:20:451
170539952,3cyclictest25844-21sed19:30:131
170539952,2cyclictest6618-21wc00:00:001
170539952,2cyclictest4210-21sed21:15:161
170539952,2cyclictest244-20systemd-journal21:24:471
170539952,2cyclictest21427-21seq20:37:021
170539952,2cyclictest20023-21cat00:30:201
170539952,2cyclictest12663-21ntpq20:15:151
170539951,4cyclictest557-21NetworkManager23:05:591
170539951,4cyclictest557-21NetworkManager21:41:171
170619943,1cyclictest522-21avahi-daemon20:25:083
170619942,2cyclictest12323-21cat21:35:163
170619941,3cyclictest5967-21sed20:00:143
170619941,2cyclictest18457-21needreboot21:50:173
170619941,2cyclictest16368-21fschecks_time23:05:123
170619940,4cyclictest31860-21ntpq23:40:173
170619940,4cyclictest13072-21/usr/sbin/munin00:15:113
170619940,4cyclictest12635-21ntpq20:15:163
170619940,3cyclictest8207-21diskstats22:45:123
170619940,3cyclictest17483-21memory00:25:163
170579944,0cyclictest6134-21cat21:20:162
170579942,2cyclictest717-21ntpd21:30:362
170579941,3cyclictest18577-21ntpq21:50:182
170579940,4cyclictest22889-21ntpq23:20:162
170539944,0cyclictest741-21lldpd19:15:591
170539942,2cyclictest743-21snmpd21:45:091
170539941,2cyclictest7203-21wc22:40:211
170539941,2cyclictest25955-21acpi20:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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