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2026-05-12 - 12:24

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 May 12, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15995992626,0cyclictest6672-21fwupd23:58:380
16003991918,1cyclictest65850irq/126-lan23:20:211
16012991818,0cyclictest743-21snmpd23:48:153
16012991818,0cyclictest743-21snmpd19:37:273
16003991818,0cyclictest65850irq/126-lan19:22:271
16003991817,1cyclictest65850irq/126-lan20:59:291
16003991817,1cyclictest65850irq/126-lan20:35:141
16003991817,1cyclictest65850irq/126-lan19:59:571
16012991717,0cyclictest743-21snmpd23:12:043
16003991717,0cyclictest65850irq/126-lan22:35:171
16003991717,0cyclictest65850irq/126-lan00:30:121
16003991716,1cyclictest65850irq/126-lan22:48:251
16003991716,1cyclictest65850irq/126-lan22:00:231
16003991716,1cyclictest65850irq/126-lan21:40:181
16003991716,1cyclictest65850irq/126-lan20:00:121
16003991616,0cyclictest65850irq/126-lan22:10:121
16003991616,0cyclictest65850irq/126-lan21:15:211
16003991616,0cyclictest65850irq/126-lan21:04:221
16003991616,0cyclictest65850irq/126-lan19:40:121
16003991616,0cyclictest65850irq/126-lan19:15:141
16003991615,1cyclictest65850irq/126-lan20:50:231
16003991615,1cyclictest65850irq/126-lan00:13:311
16003991615,1cyclictest65850irq/126-lan00:00:121
16003991515,0cyclictest65850irq/126-lan23:49:361
16003991515,0cyclictest65850irq/126-lan23:05:191
16003991515,0cyclictest65850irq/126-lan23:00:151
16003991515,0cyclictest65850irq/126-lan22:05:151
16003991515,0cyclictest65850irq/126-lan21:25:171
16003991515,0cyclictest65850irq/126-lan20:49:021
16003991515,0cyclictest65850irq/126-lan19:50:141
16003991515,0cyclictest65850irq/126-lan00:18:001
16003991514,1cyclictest65850irq/126-lan23:25:161
16003991514,1cyclictest65850irq/126-lan22:40:181
16003991514,1cyclictest65850irq/126-lan21:35:131
16003991514,1cyclictest65850irq/126-lan21:20:181
16003991514,1cyclictest65850irq/126-lan20:30:131
16003991514,1cyclictest65850irq/126-lan19:30:171
16003991514,1cyclictest65850irq/126-lan19:10:171
16012991414,0cyclictest743-21snmpd20:30:323
16003991414,0cyclictest65850irq/126-lan23:40:131
16003991414,0cyclictest65850irq/126-lan21:59:131
16003991414,0cyclictest65850irq/126-lan21:45:191
16003991414,0cyclictest65850irq/126-lan20:20:171
16003991414,0cyclictest65850irq/126-lan19:45:161
16003991414,0cyclictest65850irq/126-lan19:25:131
16003991413,1cyclictest65850irq/126-lan21:10:131
16003991413,1cyclictest65850irq/126-lan20:25:131
16003991413,1cyclictest65850irq/126-lan20:15:171
16003991413,1cyclictest65850irq/126-lan19:35:111
16012991313,0cyclictest743-21snmpd21:53:413
16012991313,0cyclictest743-21snmpd20:26:353
16003991313,0cyclictest65850irq/126-lan23:55:131
16003991313,0cyclictest65850irq/126-lan22:50:211
16003991313,0cyclictest65850irq/126-lan22:30:131
16003991313,0cyclictest65850irq/126-lan20:10:171
16003991312,1cyclictest65850irq/126-lan21:30:151
16003991212,0cyclictest65850irq/126-lan23:35:131
16003991212,0cyclictest65850irq/126-lan23:15:201
16003991212,0cyclictest65850irq/126-lan21:09:131
16003991212,0cyclictest65850irq/126-lan20:40:151
16003991212,0cyclictest65850irq/126-lan00:35:131
16003991211,1cyclictest65850irq/126-lan23:10:171
16003991211,1cyclictest65850irq/126-lan21:50:101
16003991111,0cyclictest65850irq/126-lan23:30:191
16003991111,0cyclictest65850irq/126-lan22:15:201
16003991110,1cyclictest65850irq/126-lan22:55:131
1600399109,1cyclictest65850irq/126-lan23:50:131
1600399109,1cyclictest65850irq/126-lan20:10:001
1600399109,1cyclictest65850irq/126-lan00:25:151
1600399109,1cyclictest65850irq/126-lan00:20:121
160129998,1cyclictest743-21snmpd23:35:243
160129998,1cyclictest743-21snmpd22:58:193
160089998,1cyclictest743-21snmpd22:24:512
160089998,1cyclictest743-21snmpd20:05:322
160089998,1cyclictest741-21lldpd19:27:072
160089998,1cyclictest741-21lldpd00:29:222
160039999,0cyclictest65850irq/126-lan22:21:381
160039998,1cyclictest65850irq/126-lan22:27:381
159959998,1cyclictest743-21snmpd20:58:270
159959998,1cyclictest741-21lldpd23:03:300
159959998,1cyclictest741-21lldpd21:17:200
159959998,1cyclictest741-21lldpd20:14:590
160129988,0cyclictest743-21snmpd22:26:483
160129988,0cyclictest741-21lldpd23:50:173
160129988,0cyclictest741-21lldpd22:34:223
160129988,0cyclictest741-21lldpd20:14:083
160129988,0cyclictest741-21lldpd20:08:333
160129988,0cyclictest741-21lldpd19:33:113
160129987,1cyclictest743-21snmpd23:33:023
160129987,1cyclictest743-21snmpd21:46:203
160129987,1cyclictest741-21lldpd00:00:303
160129987,1cyclictest522-21avahi-daemon23:40:193
160129986,2cyclictest743-21snmpd21:29:523
160129986,2cyclictest743-21snmpd00:07:253
160089988,0cyclictest743-21snmpd20:42:382
160089988,0cyclictest743-21snmpd20:01:162
160089988,0cyclictest743-21snmpd00:35:192
160089988,0cyclictest741-21lldpd23:32:062
160089988,0cyclictest741-21lldpd22:47:012
160089988,0cyclictest741-21lldpd22:11:492
160089988,0cyclictest741-21lldpd19:50:572
160089987,1cyclictest743-21snmpd23:35:272
160089987,1cyclictest743-21snmpd20:56:482
160089987,1cyclictest743-21snmpd20:18:502
160089986,2cyclictest743-21snmpd23:09:532
160089986,2cyclictest743-21snmpd22:17:532
160089986,2cyclictest743-21snmpd21:30:202
160089986,2cyclictest743-21snmpd20:53:032
160089986,2cyclictest743-21snmpd20:23:592
160089986,2cyclictest743-21snmpd19:24:232
160089986,2cyclictest743-21snmpd19:18:172
160089986,2cyclictest743-21snmpd00:20:372
160089986,2cyclictest7174-21cat21:25:142
160089984,3cyclictest15235-21ntp_states23:00:182
160039988,0cyclictest65850irq/126-lan00:05:121
159959988,0cyclictest743-21snmpd23:07:380
159959988,0cyclictest741-21lldpd19:48:010
159959988,0cyclictest741-21lldpd19:30:080
159959987,1cyclictest743-21snmpd21:08:000
159959986,2cyclictest743-21snmpd21:00:450
159959986,2cyclictest743-21snmpd00:20:070
159959986,2cyclictest717-21ntpd23:50:070
159959986,2cyclictest717-21ntpd23:42:320
159959986,2cyclictest717-21ntpd23:36:130
159959986,2cyclictest717-21ntpd22:46:500
159959986,2cyclictest717-21ntpd22:21:090
159959986,2cyclictest717-21ntpd22:07:050
159959986,2cyclictest717-21ntpd21:32:130
159959986,2cyclictest717-21ntpd21:26:490
159959986,2cyclictest717-21ntpd21:24:410
159959986,2cyclictest717-21ntpd20:41:420
159959986,2cyclictest717-21ntpd20:36:360
159959986,2cyclictest717-21ntpd20:33:370
159959986,2cyclictest717-21ntpd20:21:120
159959986,2cyclictest717-21ntpd20:05:440
159959986,2cyclictest717-21ntpd19:16:150
159959986,2cyclictest717-21ntpd19:12:580
159959986,2cyclictest717-21ntpd00:36:050
159959986,2cyclictest717-21ntpd00:19:310
159959986,2cyclictest717-21ntpd00:09:350
159959986,2cyclictest18061-21cat00:25:170
160129977,0cyclictest743-21snmpd21:23:583
160129977,0cyclictest743-21snmpd20:22:503
160129977,0cyclictest743-21snmpd00:27:323
160129977,0cyclictest741-21lldpd20:37:113
160129977,0cyclictest741-21lldpd20:01:473
160129977,0cyclictest741-21lldpd19:45:513
160129977,0cyclictest741-21lldpd19:27:383
160129977,0cyclictest741-21lldpd19:15:543
160129977,0cyclictest522-21avahi-daemon21:07:013
160129976,1cyclictest522-21avahi-daemon21:02:403
160129976,1cyclictest28260-21cpuspeed_turbos22:15:123
160129975,2cyclictest743-21snmpd21:57:233
160129975,2cyclictest743-21snmpd19:53:253
160129975,2cyclictest743-21snmpd19:13:353
160129975,2cyclictest11855-21tail21:35:153
160089977,0cyclictest743-21snmpd20:36:532
160089977,0cyclictest743-21snmpd20:34:232
160089977,0cyclictest743-21snmpd00:19:402
160089977,0cyclictest743-21snmpd00:13:372
160089977,0cyclictest741-21lldpd23:48:422
160089977,0cyclictest741-21lldpd21:49:502
160089977,0cyclictest741-21lldpd21:19:512
160089977,0cyclictest741-21lldpd19:32:262
160089976,1cyclictest743-21snmpd23:54:192
160089976,1cyclictest743-21snmpd23:44:322
160089976,1cyclictest743-21snmpd22:55:462
160089976,1cyclictest743-21snmpd22:50:462
160089976,1cyclictest743-21snmpd22:42:542
160089976,1cyclictest573-21in:imuxsock23:15:032
160089976,1cyclictest522-21avahi-daemon21:40:212
160089976,1cyclictest522-21avahi-daemon00:05:062
160089975,2cyclictest743-21snmpd20:10:172
160089975,2cyclictest743-21snmpd19:42:372
160089975,1cyclictest743-21snmpd19:14:022
159959977,0cyclictest743-21snmpd22:36:250
159959977,0cyclictest743-21snmpd21:41:280
159959977,0cyclictest741-21lldpd21:10:160
159959977,0cyclictest741-21lldpd20:15:340
159959977,0cyclictest741-21lldpd19:38:350
159959977,0cyclictest741-21lldpd00:04:480
159959976,1cyclictest743-21snmpd23:49:270
159959976,1cyclictest743-21snmpd23:16:160
159959976,1cyclictest743-21snmpd22:27:240
159959976,1cyclictest743-21snmpd21:57:500
159959976,1cyclictest743-21snmpd20:03:230
159959976,1cyclictest743-21snmpd00:32:010
159959976,1cyclictest741-21lldpd22:43:470
159959976,1cyclictest717-21ntpd23:13:110
159959976,1cyclictest522-21avahi-daemon20:51:050
159959975,2cyclictest717-21ntpd22:10:060
159959975,2cyclictest717-21ntpd19:20:330
160129966,0cyclictest743-21snmpd22:24:003
160129966,0cyclictest741-21lldpd22:46:203
160129966,0cyclictest741-21lldpd21:12:303
160129966,0cyclictest741-21lldpd19:56:063
160129965,1cyclictest743-21snmpd22:10:023
160129965,1cyclictest19718-21cpuspeed_turbos00:30:123
160129965,1cyclictest15810-21needreboot00:20:173
160129964,2cyclictest743-21snmpd20:19:053
160129962,4cyclictest557-21NetworkManager23:26:393
160129962,4cyclictest557-21NetworkManager22:53:183
160089966,0cyclictest743-21snmpd23:58:272
160089966,0cyclictest743-21snmpd22:25:152
160089966,0cyclictest741-21lldpd23:27:102
160089966,0cyclictest506-21systemd-resolve22:40:002
160089965,1cyclictest743-21snmpd21:23:192
160089965,1cyclictest24009-21fschecks_time22:05:132
160089964,2cyclictest743-21snmpd21:50:012
160089964,2cyclictest743-21snmpd19:55:232
159959966,0cyclictest743-21snmpd21:46:100
159959966,0cyclictest741-21lldpd20:27:250
159959966,0cyclictest506-21systemd-resolve21:54:230
159959965,1cyclictest743-21snmpd21:38:440
159959965,1cyclictest717-21ntpd22:00:320
159959965,1cyclictest522-21avahi-daemon22:58:040
159959965,1cyclictest28807-21needreboot22:15:140
159959964,2cyclictest743-21snmpd23:24:440
160129955,0cyclictest741-21lldpd22:09:413
160129954,1cyclictest207-21jbd2/nvme0n1p2-823:23:143
160129954,1cyclictest15134-21ntpq23:00:173
160129953,2cyclictest9849-21strings21:30:163
160129953,2cyclictest743-21snmpd00:16:483
160129953,2cyclictest717-21ntpd21:17:423
160129953,2cyclictest717-21ntpd20:50:343
160129953,2cyclictest5830-21ntpq23:55:173
160129953,2cyclictest11869-21ntpq00:10:153
160129952,3cyclictest717-21ntpd20:55:123
160129952,2cyclictest5696-21date22:40:003
160129952,2cyclictest244-20systemd-journal00:38:323
160129952,2cyclictest22035-21grep22:00:163
160129952,2cyclictest14439-21wc21:40:223
160129950,4cyclictest29466-21ntpq19:40:163
160129950,2cyclictest7659-21apt22:45:003
160089955,0cyclictest522-21avahi-daemon23:13:312
160089955,0cyclictest522-21avahi-daemon21:36:012
160089955,0cyclictest522-21avahi-daemon19:48:442
160089955,0cyclictest29410-21sed21:00:152
160089954,1cyclictest3125-21grep22:30:202
160089953,2cyclictest743-21snmpd22:03:172
160089952,3cyclictest24400-21sed23:25:002
160089951,3cyclictest7267-21df00:00:112
160089951,3cyclictest26996-21fw_packets19:35:132
160089951,3cyclictest1093-21ls21:10:152
160089950,4cyclictest20470-21ntpq00:30:172
159959955,0cyclictest741-21lldpd19:52:570
159959955,0cyclictest522-21avahi-daemon22:30:580
159959955,0cyclictest522-21avahi-daemon20:45:470
159959954,1cyclictest10710-21gltestperf22:50:160
159959953,2cyclictest743-21snmpd00:11:340
159959952,2cyclictest22875-21tune2fs19:25:130
160129942,2cyclictest743-21snmpd20:45:063
160129941,2cyclictest21160-21forks20:40:123
160129941,2cyclictest16564-21tr23:05:113
160129940,3cyclictest21514-21ntp_states19:20:173
160129940,2cyclictest20809-21tail23:15:133
160089943,1cyclictest23334-21gltestperf20:45:152
160089942,2cyclictest557-21NetworkManager21:06:172
160089940,3cyclictest20007-21ntpq21:55:162
159959943,1cyclictest0-21swapper/019:40:120
159959941,2cyclictest3590-21cat19:55:210
159959941,2cyclictest25649-21grep23:25:170
159959940,4cyclictest28158-21ntpq23:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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