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2026-05-27 - 08:22

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 highest latencies:
System rack8slot6s.osadl.org (updated Wed May 27, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
489994040,0cyclictest8753-21fwupd19:27:283
482991818,0cyclictest743-21snmpd21:59:571
482991818,0cyclictest743-21snmpd19:26:351
482991818,0cyclictest65850irq/126-lan20:50:191
482991817,1cyclictest743-21snmpd23:14:221
482991817,1cyclictest65850irq/126-lan23:51:171
482991817,1cyclictest65850irq/126-lan23:25:171
482991817,1cyclictest65850irq/126-lan23:20:131
482991817,1cyclictest65850irq/126-lan21:30:201
482991817,1cyclictest65850irq/126-lan21:29:111
482991817,1cyclictest65850irq/126-lan19:35:111
482991817,1cyclictest65850irq/126-lan19:30:171
482991817,1cyclictest65850irq/126-lan00:05:191
482991717,0cyclictest743-21snmpd21:13:041
482991717,0cyclictest743-21snmpd21:00:201
482991717,0cyclictest65850irq/126-lan23:15:101
482991717,0cyclictest65850irq/126-lan23:05:201
482991717,0cyclictest65850irq/126-lan22:35:111
482991717,0cyclictest65850irq/126-lan20:00:221
482991717,0cyclictest65850irq/126-lan00:21:071
482991717,0cyclictest23834-21cat20:05:141
482991717,0cyclictest1883-21cat21:50:151
482991716,1cyclictest65850irq/126-lan22:00:121
482991716,1cyclictest65850irq/126-lan20:27:001
482991716,1cyclictest65850irq/126-lan20:14:281
482991716,1cyclictest65850irq/126-lan19:50:181
482991716,1cyclictest65850irq/126-lan19:15:111
482991716,1cyclictest65850irq/126-lan19:13:141
482991716,1cyclictest65850irq/126-lan00:13:391
482991716,1cyclictest65850irq/126-lan00:13:391
482991616,0cyclictest65850irq/126-lan23:45:191
482991616,0cyclictest65850irq/126-lan23:40:161
482991616,0cyclictest65850irq/126-lan22:45:141
482991616,0cyclictest65850irq/126-lan20:19:431
482991616,0cyclictest65850irq/126-lan00:35:201
482991615,1cyclictest65850irq/126-lan23:30:121
482991615,1cyclictest65850irq/126-lan22:40:161
482991615,1cyclictest65850irq/126-lan22:15:131
482991615,1cyclictest65850irq/126-lan20:20:201
482991515,0cyclictest743-21snmpd20:30:371
482991515,0cyclictest65850irq/126-lan23:55:191
482991515,0cyclictest65850irq/126-lan22:20:231
482991515,0cyclictest65850irq/126-lan21:37:001
482991515,0cyclictest65850irq/126-lan20:35:221
482991515,0cyclictest65850irq/126-lan19:20:111
482991514,1cyclictest65850irq/126-lan22:55:201
482991514,1cyclictest65850irq/126-lan22:10:131
482991514,1cyclictest65850irq/126-lan00:15:121
489991412,1cyclictest743-21snmpd22:54:483
482991414,0cyclictest65850irq/126-lan22:50:201
482991414,0cyclictest65850irq/126-lan22:25:221
482991414,0cyclictest65850irq/126-lan21:45:201
482991414,0cyclictest65850irq/126-lan21:15:131
482991414,0cyclictest65850irq/126-lan20:45:191
482991414,0cyclictest65850irq/126-lan20:40:111
482991414,0cyclictest65850irq/126-lan19:45:151
482991413,1cyclictest65850irq/126-lan21:41:441
482991413,1cyclictest65850irq/126-lan21:05:241
482991413,1cyclictest65850irq/126-lan00:30:091
489991313,0cyclictest23254-21cat00:00:153
482991312,1cyclictest65850irq/126-lan20:55:181
487991212,0cyclictest743-21snmpd20:52:102
487991212,0cyclictest743-21snmpd19:33:352
487991212,0cyclictest743-21snmpd00:15:202
482991212,0cyclictest65850irq/126-lan23:35:131
482991212,0cyclictest65850irq/126-lan23:00:111
482991212,0cyclictest65850irq/126-lan00:25:111
487991111,0cyclictest743-21snmpd20:31:342
482991111,0cyclictest65850irq/126-lan22:35:001
482991111,0cyclictest65850irq/126-lan22:05:151
482991111,0cyclictest65850irq/126-lan21:20:181
482991111,0cyclictest65850irq/126-lan00:00:161
482991110,1cyclictest65850irq/126-lan19:56:361
487991010,0cyclictest743-21snmpd23:55:202
487991010,0cyclictest743-21snmpd23:29:372
487991010,0cyclictest743-21snmpd23:06:452
478991010,0cyclictest10411-21cron23:30:010
4899999,0cyclictest27291-21cat00:10:153
4899999,0cyclictest27291-21cat00:10:143
4899999,0cyclictest14431-21cat22:20:173
4899998,1cyclictest743-21snmpd22:44:083
4899998,1cyclictest743-21snmpd20:45:163
4899998,1cyclictest743-21snmpd19:11:593
4899998,1cyclictest743-21snmpd00:33:183
4879999,0cyclictest743-21snmpd22:56:032
4879999,0cyclictest743-21snmpd22:28:462
4879999,0cyclictest743-21snmpd21:45:572
4879999,0cyclictest743-21snmpd21:34:182
4879999,0cyclictest743-21snmpd20:16:552
4879999,0cyclictest743-21snmpd19:45:212
4879998,1cyclictest743-21snmpd22:51:512
4879998,1cyclictest743-21snmpd00:36:252
4789998,1cyclictest743-21snmpd22:09:220
4899988,0cyclictest743-21snmpd23:27:463
4899988,0cyclictest743-21snmpd23:11:283
4899988,0cyclictest743-21snmpd22:19:263
4899988,0cyclictest743-21snmpd22:04:223
4899988,0cyclictest743-21snmpd20:54:043
4899988,0cyclictest743-21snmpd20:38:093
4899988,0cyclictest743-21snmpd20:32:043
4899988,0cyclictest743-21snmpd19:37:263
4899988,0cyclictest743-21snmpd00:07:053
4899988,0cyclictest741-21lldpd22:55:023
4899988,0cyclictest5577-21cat20:40:133
4899988,0cyclictest522-21avahi-daemon23:33:523
4899987,1cyclictest743-21snmpd23:47:583
4899987,1cyclictest743-21snmpd20:23:213
4899987,1cyclictest743-21snmpd20:00:593
4899987,1cyclictest743-21snmpd19:57:563
4899987,1cyclictest741-21lldpd21:50:133
4899986,2cyclictest743-21snmpd23:36:083
4899986,2cyclictest743-21snmpd22:10:243
4899984,3cyclictest8209-21fw_forwarded_lo22:05:123
4879988,0cyclictest743-21snmpd23:40:082
4879988,0cyclictest743-21snmpd22:43:232
4879988,0cyclictest743-21snmpd21:25:322
4879988,0cyclictest743-21snmpd21:23:352
4879988,0cyclictest743-21snmpd21:18:322
4879988,0cyclictest743-21snmpd20:28:152
4879988,0cyclictest743-21snmpd20:11:512
4879988,0cyclictest743-21snmpd20:02:422
4879988,0cyclictest743-21snmpd19:29:142
4879988,0cyclictest743-21snmpd19:16:102
4879988,0cyclictest743-21snmpd00:20:152
4879988,0cyclictest741-21lldpd20:47:332
4879988,0cyclictest741-21lldpd20:39:522
4879988,0cyclictest741-21lldpd19:20:532
4879988,0cyclictest13759-21cat19:40:132
4879987,1cyclictest741-21lldpd23:11:532
4879986,2cyclictest743-21snmpd21:41:472
4879986,2cyclictest743-21snmpd20:06:422
4879986,2cyclictest743-21snmpd00:10:452
4879986,2cyclictest743-21snmpd00:10:452
4879985,3cyclictest717-21ntpd00:05:132
4829988,0cyclictest65850irq/126-lan19:40:201
4789988,0cyclictest743-21snmpd22:30:460
4789988,0cyclictest743-21snmpd21:34:260
4789988,0cyclictest741-21lldpd22:58:070
4789988,0cyclictest741-21lldpd21:52:080
4789988,0cyclictest741-21lldpd20:12:540
4789988,0cyclictest741-21lldpd20:04:530
4789987,1cyclictest743-21snmpd20:08:570
4789987,1cyclictest743-21snmpd00:21:170
4789987,1cyclictest741-21lldpd22:22:230
4789986,2cyclictest743-21snmpd23:55:050
4789986,2cyclictest743-21snmpd23:10:280
4789986,2cyclictest743-21snmpd22:16:250
4899977,0cyclictest743-21snmpd23:53:203
4899977,0cyclictest743-21snmpd23:09:213
4899977,0cyclictest743-21snmpd23:04:473
4899977,0cyclictest743-21snmpd21:45:183
4899977,0cyclictest743-21snmpd21:23:233
4899977,0cyclictest743-21snmpd21:13:403
4899977,0cyclictest743-21snmpd20:07:213
4899977,0cyclictest743-21snmpd19:43:323
4899977,0cyclictest743-21snmpd00:27:423
4899977,0cyclictest741-21lldpd23:43:323
4899977,0cyclictest741-21lldpd23:22:203
4899977,0cyclictest741-21lldpd22:31:363
4899977,0cyclictest741-21lldpd21:30:463
4899976,1cyclictest743-21snmpd22:45:023
4899976,1cyclictest743-21snmpd19:22:533
4899976,1cyclictest741-21lldpd21:59:193
4899976,1cyclictest522-21avahi-daemon22:36:003
4899975,2cyclictest743-21snmpd21:29:203
4899975,2cyclictest3585-21cat19:15:133
4899972,4cyclictest4532-21grep23:15:123
4879977,0cyclictest743-21snmpd22:46:562
4879977,0cyclictest743-21snmpd22:23:172
4879977,0cyclictest741-21lldpd19:10:422
4879976,1cyclictest522-21avahi-daemon23:48:102
4879976,1cyclictest19093-21needreboot22:30:142
4879975,2cyclictest743-21snmpd23:02:502
4879975,2cyclictest743-21snmpd21:12:312
4789977,0cyclictest743-21snmpd21:56:480
4789977,0cyclictest743-21snmpd21:35:480
4789977,0cyclictest743-21snmpd19:14:550
4789977,0cyclictest743-21snmpd00:19:380
4789977,0cyclictest741-21lldpd23:30:190
4789977,0cyclictest741-21lldpd21:26:250
4789977,0cyclictest741-21lldpd20:50:450
4789977,0cyclictest741-21lldpd19:25:150
4789977,0cyclictest741-21lldpd00:04:060
4789976,1cyclictest743-21snmpd19:21:140
4789976,1cyclictest743-21snmpd00:32:570
4789976,1cyclictest743-21snmpd00:25:240
4789976,1cyclictest20513-21cpuspeed_turbos22:35:110
4789975,2cyclictest743-21snmpd20:47:490
4789975,2cyclictest743-21snmpd20:16:070
4789975,2cyclictest3563-21cat20:35:160
4899966,0cyclictest743-21snmpd21:09:013
4899966,0cyclictest743-21snmpd20:55:313
4899966,0cyclictest743-21snmpd19:53:143
4899966,0cyclictest743-21snmpd19:48:053
4899966,0cyclictest741-21lldpd23:59:203
4899966,0cyclictest522-21avahi-daemon21:02:053
4899966,0cyclictest25861-21cat20:10:143
4899965,1cyclictest743-21snmpd21:43:323
4899965,1cyclictest29120-21fschecks_time00:15:133
4899964,2cyclictest29301-21sshd21:37:293
4899963,2cyclictest5500-21ps00:35:203
4899963,2cyclictest31767-21fw_forwarded_lo20:25:133
4899963,2cyclictest17977-21seq22:27:463
4879966,0cyclictest743-21snmpd19:57:142
4879966,0cyclictest741-21lldpd22:04:542
4879966,0cyclictest741-21lldpd20:43:542
4879966,0cyclictest741-21lldpd00:28:432
4879965,1cyclictest11644-21gltestperf19:35:122
4879964,2cyclictest29893-21cat20:20:152
4879962,3cyclictest20512-21pluginstate23:55:002
4789966,0cyclictest743-21snmpd23:20:210
4789966,0cyclictest743-21snmpd23:17:000
4789966,0cyclictest743-21snmpd00:39:390
4789966,0cyclictest522-21avahi-daemon21:49:320
4789965,1cyclictest743-21snmpd23:36:190
4789965,1cyclictest743-21snmpd22:27:380
4789965,1cyclictest743-21snmpd19:35:020
4789965,1cyclictest0-21swapper/023:50:010
4789964,2cyclictest743-21snmpd20:40:540
4789964,2cyclictest743-21snmpd19:33:180
4789964,2cyclictest32669-21cpuspeed_turbos23:05:120
4789962,3cyclictest26744-21cut22:50:130
4789962,3cyclictest15008-21users21:00:220
4899952,2cyclictest9777-21grep19:30:133
4899952,2cyclictest31306-21cat00:20:143
4879955,0cyclictest743-21snmpd21:08:372
4879954,1cyclictest506-21systemd-resolve22:11:332
4879954,1cyclictest1867-21cat21:50:152
4879953,2cyclictest717-21ntpd21:57:152
4879953,2cyclictest717-21ntpd00:31:162
4879953,2cyclictest717-21ntpd00:00:432
4879953,2cyclictest244-20systemd-journal22:07:322
4879952,3cyclictest717-21ntpd22:39:472
4879952,2cyclictest575-21rs:main2
4879950,1cyclictest136981latency_hist22:20:002
4789954,1cyclictest743-21snmpd19:50:230
4789954,1cyclictest743-21snmpd00:09:500
4789954,1cyclictest3819-21needreboot19:15:160
4789954,1cyclictest22771-21gltestperf22:40:130
4789954,1cyclictest16529-21ntpq21:05:190
4789953,2cyclictest743-21snmpd22:48:500
4789953,2cyclictest743-21snmpd22:12:180
4789953,2cyclictest743-21snmpd19:44:590
4789953,2cyclictest19787-21cat19:55:120
4789952,3cyclictest557-21NetworkManager21:20:090
4789952,3cyclictest557-21NetworkManager20:30:550
4789952,2cyclictest31776-21sed23:00:190
4789952,2cyclictest31703-21fschecks_time20:25:130
4789952,2cyclictest30329-21ntpq20:20:190
4789952,2cyclictest244-20systemd-journal22:04:110
4789951,3cyclictest18211-21cat21:10:150
4789951,3cyclictest12858-21sed20:55:220
4899941,2cyclictest27605-21/usr/sbin/munin20:15:143
4899940,3cyclictest19689-21apt-get21:15:123
4879943,1cyclictest7084-21cat23:20:142
4879942,2cyclictest743-21snmpd23:30:062
4879941,2cyclictest27855-21grep21:35:132
4879941,2cyclictest12872-21entropy23:35:122
4879940,4cyclictest4950-21ntpq23:15:152
4879940,3cyclictest18585-21sed19:50:212
4789943,1cyclictest743-21snmpd19:45:060
4789943,1cyclictest18752-21apt23:50:110
4789942,2cyclictest15160-21cat23:40:130
4789941,2cyclictest29842-21cpu21:40:100
4789940,3cyclictest19856-21diskstats21:15:120
4789930,3cyclictest26846-21apt-get00:10:120
4789930,3cyclictest26846-21apt-get00:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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