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2026-06-28 - 08:40

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 Sun Jun 28, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28961991818,0cyclictest65850irq/126-lan23:20:000
28961991817,1cyclictest65850irq/126-lan23:52:160
28961991817,1cyclictest65850irq/126-lan23:40:150
28961991817,1cyclictest65850irq/126-lan23:05:220
28961991817,1cyclictest65850irq/126-lan22:02:340
28961991817,1cyclictest65850irq/126-lan22:00:010
28961991817,1cyclictest65850irq/126-lan21:35:210
28961991817,1cyclictest65850irq/126-lan21:25:220
28961991817,1cyclictest65850irq/126-lan21:10:140
28961991817,1cyclictest65850irq/126-lan20:40:130
28961991817,1cyclictest65850irq/126-lan20:30:180
28961991817,1cyclictest65850irq/126-lan20:05:000
28961991717,0cyclictest65850irq/126-lan22:40:130
28961991717,0cyclictest65850irq/126-lan21:50:140
28961991717,0cyclictest65850irq/126-lan20:25:110
28961991717,0cyclictest65850irq/126-lan19:18:190
28961991716,1cyclictest65850irq/126-lan22:05:130
28961991716,1cyclictest65850irq/126-lan19:50:110
28961991716,1cyclictest65850irq/126-lan19:40:150
28961991716,1cyclictest65850irq/126-lan00:05:170
28961991716,1cyclictest65850irq/126-lan00:00:160
28961991616,0cyclictest65850irq/126-lan22:57:340
28961991616,0cyclictest65850irq/126-lan21:45:140
28961991616,0cyclictest65850irq/126-lan21:08:340
28961991615,1cyclictest65850irq/126-lan23:55:170
28961991615,1cyclictest65850irq/126-lan23:30:180
28961991615,1cyclictest65850irq/126-lan23:10:130
28961991615,1cyclictest65850irq/126-lan22:25:210
28961991615,1cyclictest65850irq/126-lan22:15:140
28961991615,1cyclictest65850irq/126-lan21:00:210
28961991615,1cyclictest65850irq/126-lan20:40:000
28961991615,1cyclictest65850irq/126-lan20:05:140
28961991615,1cyclictest65850irq/126-lan19:25:210
28961991515,0cyclictest65850irq/126-lan23:17:400
28961991515,0cyclictest65850irq/126-lan21:34:100
28961991515,0cyclictest65850irq/126-lan20:20:190
28961991515,0cyclictest65850irq/126-lan19:55:210
28961991515,0cyclictest65850irq/126-lan19:47:350
28961991515,0cyclictest65850irq/126-lan19:10:130
28961991514,1cyclictest65850irq/126-lan23:35:200
28961991514,1cyclictest65850irq/126-lan23:00:140
28961991514,1cyclictest65850irq/126-lan22:50:160
28961991514,1cyclictest65850irq/126-lan21:20:160
28961991514,1cyclictest65850irq/126-lan20:10:100
28961991514,1cyclictest65850irq/126-lan00:30:190
28961991514,1cyclictest65850irq/126-lan00:25:200
28961991413,1cyclictest65850irq/126-lan23:25:140
28961991413,1cyclictest65850irq/126-lan22:45:150
28961991413,1cyclictest65850irq/126-lan20:55:150
28961991413,1cyclictest65850irq/126-lan19:24:020
28961991413,1cyclictest65850irq/126-lan00:10:230
28961991312,1cyclictest65850irq/126-lan22:20:120
28961991312,1cyclictest65850irq/126-lan20:15:160
28961991212,0cyclictest65850irq/126-lan20:45:190
28961991212,0cyclictest65850irq/126-lan00:20:200
28961991211,1cyclictest65850irq/126-lan21:40:130
28961991211,1cyclictest65850irq/126-lan19:35:130
28961991211,1cyclictest65850irq/126-lan00:35:170
28961991111,0cyclictest65850irq/126-lan23:49:340
28961991110,1cyclictest65850irq/126-lan21:15:180
28961991110,1cyclictest65850irq/126-lan19:30:180
2897499109,1cyclictest743-21snmpd21:09:283
2896199109,1cyclictest65850irq/126-lan22:35:200
2896199109,1cyclictest65850irq/126-lan22:35:010
28961991010,0cyclictest65850irq/126-lan22:10:140
289749998,1cyclictest743-21snmpd22:34:033
289749998,1cyclictest743-21snmpd21:28:303
289749995,3cyclictest24087-21grep21:35:143
289709998,1cyclictest743-21snmpd00:35:312
289659998,1cyclictest741-21lldpd22:25:011
289619999,0cyclictest65850irq/126-lan00:18:190
289749988,0cyclictest743-21snmpd22:48:303
289749988,0cyclictest743-21snmpd20:28:413
289749988,0cyclictest743-21snmpd19:15:543
289749988,0cyclictest741-21lldpd23:53:383
289749988,0cyclictest741-21lldpd19:46:453
289749987,1cyclictest743-21snmpd20:55:053
289749987,1cyclictest743-21snmpd19:43:583
289749987,1cyclictest743-21snmpd19:23:233
289749987,1cyclictest743-21snmpd00:30:463
289749986,2cyclictest743-21snmpd23:41:323
289749986,2cyclictest743-21snmpd23:37:503
289749986,2cyclictest743-21snmpd23:20:173
289749986,2cyclictest743-21snmpd20:44:203
289749986,2cyclictest743-21snmpd20:02:503
289749986,2cyclictest743-21snmpd19:30:573
289709988,0cyclictest743-21snmpd20:23:052
289709988,0cyclictest743-21snmpd00:32:342
289709988,0cyclictest741-21lldpd22:18:202
289709988,0cyclictest741-21lldpd19:38:222
289709988,0cyclictest741-21lldpd19:27:172
289709988,0cyclictest741-21lldpd00:25:152
289709988,0cyclictest522-21avahi-daemon00:24:262
289709987,1cyclictest743-21snmpd22:12:452
289709987,1cyclictest741-21lldpd19:50:502
289709986,2cyclictest743-21snmpd23:35:292
289709986,2cyclictest743-21snmpd22:54:222
289709986,2cyclictest743-21snmpd21:52:352
289709986,2cyclictest743-21snmpd21:44:532
289709986,2cyclictest743-21snmpd20:26:282
289659988,0cyclictest743-21snmpd20:09:561
289659988,0cyclictest743-21snmpd19:17:391
289659988,0cyclictest741-21lldpd23:43:481
289659988,0cyclictest741-21lldpd00:04:001
289659987,1cyclictest743-21snmpd22:30:331
289659987,1cyclictest743-21snmpd20:54:241
289659987,1cyclictest743-21snmpd20:28:221
289659987,1cyclictest743-21snmpd19:35:371
289659987,1cyclictest743-21snmpd00:31:341
289659987,1cyclictest741-21lldpd20:59:381
289659987,1cyclictest741-21lldpd00:12:421
289659986,2cyclictest743-21snmpd23:48:301
289659986,2cyclictest743-21snmpd22:45:191
289659986,2cyclictest743-21snmpd22:01:521
289659986,2cyclictest743-21snmpd21:12:161
289749977,0cyclictest743-21snmpd22:50:133
289749977,0cyclictest743-21snmpd20:52:123
289749977,0cyclictest743-21snmpd19:51:483
289749977,0cyclictest741-21lldpd23:15:423
289749977,0cyclictest741-21lldpd22:16:113
289749977,0cyclictest741-21lldpd22:01:273
289749976,1cyclictest743-21snmpd20:39:233
289749976,1cyclictest743-21snmpd19:58:373
289749976,1cyclictest741-21lldpd19:13:203
289749976,1cyclictest522-21avahi-daemon23:05:133
289749976,1cyclictest506-21systemd-resolve22:55:423
289749975,2cyclictest743-21snmpd22:27:453
289749975,2cyclictest743-21snmpd21:50:293
289749975,2cyclictest743-21snmpd21:20:343
289749975,2cyclictest743-21snmpd20:08:103
289749975,2cyclictest743-21snmpd00:18:463
289709977,0cyclictest743-21snmpd23:22:322
289709977,0cyclictest743-21snmpd22:59:582
289709977,0cyclictest743-21snmpd21:39:412
289709977,0cyclictest743-21snmpd20:30:052
289709977,0cyclictest741-21lldpd23:18:342
289709977,0cyclictest741-21lldpd23:11:052
289709977,0cyclictest741-21lldpd21:47:122
289709977,0cyclictest741-21lldpd21:24:242
289709977,0cyclictest741-21lldpd21:13:512
289709977,0cyclictest741-21lldpd20:41:242
289709977,0cyclictest741-21lldpd20:10:112
289709977,0cyclictest741-21lldpd19:19:182
289709976,1cyclictest743-21snmpd22:22:512
289709976,1cyclictest743-21snmpd20:00:432
289709976,1cyclictest741-21lldpd22:35:372
289709976,1cyclictest741-21lldpd21:18:522
289709976,1cyclictest5704-21tr20:50:102
289709975,2cyclictest743-21snmpd20:58:022
289709975,2cyclictest743-21snmpd20:18:442
289709975,2cyclictest743-21snmpd00:06:152
289659977,0cyclictest743-21snmpd23:54:331
289659977,0cyclictest743-21snmpd22:58:161
289659977,0cyclictest743-21snmpd21:35:131
289659977,0cyclictest743-21snmpd20:10:251
289659977,0cyclictest741-21lldpd23:56:121
289659977,0cyclictest741-21lldpd00:36:391
289659977,0cyclictest522-21avahi-daemon20:30:461
289659976,1cyclictest743-21snmpd20:42:101
289659976,1cyclictest522-21avahi-daemon19:20:281
289659975,2cyclictest743-21snmpd23:36:201
289659975,2cyclictest743-21snmpd23:04:131
289659975,2cyclictest743-21snmpd22:11:031
289659975,2cyclictest743-21snmpd21:28:551
289659975,2cyclictest28567-21cat23:05:141
289659973,3cyclictest10411-21ntp_states22:20:171
289749966,0cyclictest743-21snmpd21:43:353
289749966,0cyclictest743-21snmpd21:17:373
289749966,0cyclictest741-21lldpd22:21:573
289749966,0cyclictest741-21lldpd21:47:323
289749965,1cyclictest741-21lldpd20:16:133
289749965,1cyclictest741-21lldpd00:06:343
289749965,1cyclictest3568-21cpuspeed_turbos22:05:133
289749965,1cyclictest18922-21cpuspeed_turbos00:00:133
289749964,2cyclictest743-21snmpd23:11:023
289749964,2cyclictest743-21snmpd22:14:333
289749964,2cyclictest743-21snmpd21:31:133
289749964,2cyclictest743-21snmpd00:27:013
289749964,2cyclictest743-21snmpd00:14:123
289749964,2cyclictest21827-21cat20:10:133
289749963,3cyclictest743-21snmpd23:49:123
289749962,3cyclictest7448-21sed19:35:143
289749962,3cyclictest32395-21memory21:55:153
289749962,3cyclictest18135-21users23:55:213
289709966,0cyclictest743-21snmpd19:30:092
289709966,0cyclictest741-21lldpd20:05:352
289709966,0cyclictest741-21lldpd00:16:032
289709966,0cyclictest741-21lldpd00:13:392
289709966,0cyclictest522-21avahi-daemon19:44:082
289709965,1cyclictest743-21snmpd22:05:442
289709965,1cyclictest743-21snmpd20:36:232
289709965,1cyclictest743-21snmpd19:56:162
289709965,1cyclictest28343-21fschecks_count23:05:132
289709965,1cyclictest10968-21cpuspeed_turbos19:45:122
289709964,2cyclictest743-21snmpd23:55:482
289709964,2cyclictest743-21snmpd00:01:572
289709963,3cyclictest31839-21apt-get21:55:122
289709963,2cyclictest575-21rs:main2
289709961,4cyclictest557-21NetworkManager19:10:052
289659966,0cyclictest743-21snmpd23:30:321
289659966,0cyclictest743-21snmpd21:09:461
289659966,0cyclictest743-21snmpd21:03:511
289659966,0cyclictest741-21lldpd22:42:151
289659966,0cyclictest741-21lldpd22:35:111
289659966,0cyclictest741-21lldpd22:17:581
289659966,0cyclictest741-21lldpd20:00:231
289659966,0cyclictest522-21avahi-daemon00:20:041
289659966,0cyclictest3843-21gltestperf22:05:151
289659965,1cyclictest522-21avahi-daemon19:26:431
289659964,2cyclictest743-21snmpd21:58:561
289659964,2cyclictest28230-21cat21:45:131
289659962,3cyclictest18510-21ntpq21:20:181
289749955,0cyclictest743-21snmpd20:45:543
289749955,0cyclictest741-21lldpd23:28:283
289749954,1cyclictest9938-21gltestperf21:00:133
289749954,1cyclictest743-21snmpd00:38:553
289749952,3cyclictest18912-21ntpq22:40:183
289749951,3cyclictest6814-21sed23:30:153
289749950,4cyclictest27656-21ntpq00:20:173
289709955,0cyclictest741-21lldpd22:29:192
289709955,0cyclictest741-21lldpd21:09:002
289709955,0cyclictest522-21avahi-daemon19:24:042
289709952,3cyclictest6425-21df23:30:122
289709952,2cyclictest244-20systemd-journal21:27:172
289709952,2cyclictest13633-21grep23:45:192
289709950,4cyclictest22456-21ntpq21:30:152
289709950,4cyclictest20894-21ntpq22:45:182
289659955,0cyclictest741-21lldpd23:24:521
289659955,0cyclictest522-21avahi-daemon23:25:291
289659955,0cyclictest522-21avahi-daemon00:09:251
289659954,1cyclictest24957-21cpuspeed_turbos00:15:131
289659953,2cyclictest743-21snmpd23:11:291
289659953,2cyclictest743-21snmpd21:44:261
289659952,3cyclictest557-21NetworkManager20:48:371
289659952,3cyclictest15473-21memory19:55:161
289659952,3cyclictest13126-21cut19:50:121
289659952,2cyclictest244-20systemd-journal20:39:161
289659952,2cyclictest10942-21cpu19:45:111
289659951,3cyclictest23303-21sed22:50:221
289659950,5cyclictest26797-21pmu-power20:20:191
289619951,1cyclictest0-21swapper/020:50:150
289749942,2cyclictest743-21snmpd21:10:153
289749942,2cyclictest30341-21cat20:30:143
289749942,2cyclictest2819-21apt-get19:25:123
289749942,2cyclictest16833-21ldconfig22:35:173
289749941,2cyclictest26331-21fschecks_count23:00:123
289749941,2cyclictest25693-21readlink20:20:013
289709941,2cyclictest4946-21netstat23:25:152
289709941,2cyclictest3589-21grep20:45:122
289709941,2cyclictest26313-21grep23:00:132
289709941,2cyclictest18720-21strings22:40:152
289709941,2cyclictest14773-21https23:50:122
289709940,3cyclictest1647-21diskstats22:00:122
289709940,3cyclictest11156-21ntp_states23:40:172
289709940,3cyclictest10342-21ntp_192.168.11421:00:152
289659942,2cyclictest29192-21tune2fs00:25:141
289659942,2cyclictest16306-21needreboot21:15:171
289659941,2cyclictest575-21rs:main1
289659941,2cyclictest29149-21apt-get19:10:141
289659941,2cyclictest244-20systemd-journal20:18:421
289659941,2cyclictest21814-21cat21:30:111
289659940,3cyclictest9174-21fw_forwarded_lo19:40:141
289659940,3cyclictest32328-21df23:15:111
289659931,2cyclictest743-21snmpd21:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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