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2026-07-08 - 06:24

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 all highest latencies:
System rack8slot6s.osadl.org (updated Wed Jul 08, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18850993030,0cyclictest15110-21fwupd20:15:371
18845991918,1cyclictest65850irq/126-lan19:14:560
18845991817,1cyclictest65850irq/126-lan23:21:060
18845991817,1cyclictest65850irq/126-lan22:36:150
18845991817,1cyclictest65850irq/126-lan22:00:000
18845991817,1cyclictest65850irq/126-lan21:50:120
18845991817,1cyclictest65850irq/126-lan21:20:140
18845991817,1cyclictest65850irq/126-lan21:17:090
18850991717,0cyclictest743-21snmpd19:28:311
18850991716,1cyclictest743-21snmpd22:12:321
18850991716,1cyclictest743-21snmpd22:12:311
18845991717,0cyclictest65850irq/126-lan20:55:130
18845991716,1cyclictest65850irq/126-lan23:00:140
18845991716,1cyclictest65850irq/126-lan21:45:110
18845991716,1cyclictest65850irq/126-lan19:20:120
18845991716,1cyclictest65850irq/126-lan00:11:230
18850991616,0cyclictest743-21snmpd22:41:441
18850991616,0cyclictest16864-21cat00:15:141
18850991616,0cyclictest14850-21cat00:10:151
18850991616,0cyclictest12140-21cat20:10:141
18845991616,0cyclictest65850irq/126-lan19:45:160
18845991616,0cyclictest65850irq/126-lan19:25:140
18845991615,1cyclictest65850irq/126-lan23:45:110
18845991615,1cyclictest65850irq/126-lan23:40:160
18845991615,1cyclictest65850irq/126-lan22:45:130
18845991615,1cyclictest65850irq/126-lan22:23:240
18845991615,1cyclictest65850irq/126-lan21:35:180
18845991615,1cyclictest65850irq/126-lan20:50:160
18845991615,1cyclictest65850irq/126-lan00:20:170
18850991515,0cyclictest8768-21cat23:55:141
18850991515,0cyclictest743-21snmpd23:40:501
18850991515,0cyclictest743-21snmpd23:29:501
18850991515,0cyclictest743-21snmpd22:31:541
18850991515,0cyclictest743-21snmpd22:23:351
18850991515,0cyclictest743-21snmpd21:43:371
18850991515,0cyclictest743-21snmpd20:36:121
18850991515,0cyclictest743-21snmpd20:02:381
18850991515,0cyclictest743-21snmpd19:31:041
18850991515,0cyclictest743-21snmpd00:01:141
18850991515,0cyclictest23763-21cat23:15:161
18845991515,0cyclictest65850irq/126-lan22:50:150
18845991515,0cyclictest65850irq/126-lan22:19:360
18845991515,0cyclictest65850irq/126-lan20:15:200
18845991515,0cyclictest65850irq/126-lan00:30:110
18845991515,0cyclictest65850irq/126-lan00:00:180
18845991514,1cyclictest65850irq/126-lan23:15:200
18845991514,1cyclictest65850irq/126-lan22:55:170
18845991514,1cyclictest65850irq/126-lan22:05:200
18845991514,1cyclictest65850irq/126-lan21:59:240
18845991514,1cyclictest65850irq/126-lan21:00:160
18845991514,1cyclictest65850irq/126-lan20:25:130
18845991514,1cyclictest65850irq/126-lan19:50:120
18845991514,1cyclictest65850irq/126-lan19:40:170
18845991514,1cyclictest65850irq/126-lan00:00:000
18850991414,0cyclictest743-21snmpd23:45:491
18850991414,0cyclictest743-21snmpd20:48:421
18845991414,0cyclictest65850irq/126-lan23:31:220
18845991414,0cyclictest65850irq/126-lan22:13:250
18845991414,0cyclictest65850irq/126-lan22:13:240
18845991414,0cyclictest65850irq/126-lan19:35:150
18845991413,1cyclictest65850irq/126-lan21:25:190
18845991413,1cyclictest65850irq/126-lan20:40:150
18845991413,1cyclictest65850irq/126-lan20:05:160
18845991413,1cyclictest65850irq/126-lan00:35:030
18845991313,0cyclictest65850irq/126-lan22:40:200
18845991313,0cyclictest65850irq/126-lan20:35:150
18845991313,0cyclictest65850irq/126-lan19:15:330
18845991312,1cyclictest65850irq/126-lan23:25:210
18845991312,1cyclictest65850irq/126-lan21:30:180
18845991312,1cyclictest65850irq/126-lan21:10:180
18845991212,0cyclictest65850irq/126-lan20:20:160
18845991211,1cyclictest65850irq/126-lan23:05:190
18845991211,1cyclictest65850irq/126-lan20:00:120
18845991211,1cyclictest65850irq/126-lan19:30:120
18845991111,0cyclictest65850irq/126-lan20:34:370
18845991110,1cyclictest65850irq/126-lan21:40:150
18845991110,1cyclictest65850irq/126-lan00:05:160
1884599109,1cyclictest65850irq/126-lan20:10:190
18845991010,0cyclictest65850irq/126-lan23:35:210
18845991010,0cyclictest65850irq/126-lan23:10:140
18845991010,0cyclictest65850irq/126-lan21:05:160
188609998,1cyclictest743-21snmpd23:00:283
188559998,1cyclictest743-21snmpd23:22:012
188559998,1cyclictest743-21snmpd22:32:182
188559998,1cyclictest743-21snmpd20:16:502
188559998,1cyclictest1-21systemd23:58:432
188509998,1cyclictest741-21lldpd21:08:261
188509998,1cyclictest741-21lldpd19:51:021
188459998,1cyclictest65850irq/126-lan19:55:170
188459998,1cyclictest65850irq/126-lan00:25:220
188459998,1cyclictest65850irq/126-lan00:16:230
188609988,0cyclictest743-21snmpd23:54:533
188609988,0cyclictest743-21snmpd23:36:413
188609988,0cyclictest741-21lldpd23:17:083
188609988,0cyclictest741-21lldpd22:47:353
188609988,0cyclictest741-21lldpd21:52:133
188609988,0cyclictest741-21lldpd21:40:443
188609988,0cyclictest741-21lldpd00:37:253
188609988,0cyclictest741-21lldpd00:33:123
188609987,1cyclictest743-21snmpd20:35:143
188609987,1cyclictest741-21lldpd21:59:083
188609987,1cyclictest741-21lldpd00:00:133
188609987,1cyclictest522-21avahi-daemon22:55:143
188609986,2cyclictest743-21snmpd23:09:013
188609986,2cyclictest743-21snmpd20:31:363
188609986,2cyclictest743-21snmpd19:19:333
188609986,2cyclictest19403-21cat21:45:153
188559988,0cyclictest743-21snmpd21:27:492
188559988,0cyclictest743-21snmpd21:12:152
188559988,0cyclictest743-21snmpd19:17:002
188559988,0cyclictest741-21lldpd22:53:262
188559988,0cyclictest741-21lldpd22:20:012
188559988,0cyclictest741-21lldpd22:19:132
188559988,0cyclictest741-21lldpd21:31:552
188559988,0cyclictest741-21lldpd19:39:242
188559987,1cyclictest743-21snmpd20:50:552
188559987,1cyclictest522-21avahi-daemon21:16:052
188559987,1cyclictest506-21systemd-resolve00:02:332
188559986,2cyclictest743-21snmpd20:01:232
188559986,2cyclictest743-21snmpd00:27:252
188559986,2cyclictest743-21snmpd00:11:482
188509988,0cyclictest743-21snmpd23:14:391
188509988,0cyclictest743-21snmpd20:21:501
188509988,0cyclictest741-21lldpd21:32:131
188509987,1cyclictest743-21snmpd22:17:171
188509987,1cyclictest743-21snmpd00:20:271
188509987,1cyclictest741-21lldpd19:41:111
188509986,2cyclictest743-21snmpd23:39:021
188509986,2cyclictest743-21snmpd23:07:251
188509986,2cyclictest743-21snmpd22:45:181
188459988,0cyclictest741-21lldpd22:34:210
188459988,0cyclictest65850irq/126-lan22:25:150
188459987,1cyclictest65850irq/126-lan23:50:140
188609977,0cyclictest743-21snmpd22:15:113
188609976,1cyclictest743-21snmpd23:10:033
188609976,1cyclictest743-21snmpd20:47:543
188609976,1cyclictest743-21snmpd00:24:463
188609976,1cyclictest522-21avahi-daemon20:20:393
188609976,1cyclictest522-21avahi-daemon00:14:403
188609975,2cyclictest743-21snmpd22:04:233
188609975,2cyclictest743-21snmpd21:33:113
188609975,2cyclictest743-21snmpd21:01:013
188609975,2cyclictest743-21snmpd20:25:053
188609975,2cyclictest743-21snmpd19:59:413
188609975,2cyclictest743-21snmpd19:36:123
188609973,3cyclictest1051-21grep22:20:133
188559977,0cyclictest743-21snmpd21:08:072
188559977,0cyclictest743-21snmpd19:48:442
188559977,0cyclictest743-21snmpd00:36:162
188559977,0cyclictest741-21lldpd22:07:372
188559977,0cyclictest741-21lldpd20:38:252
188559977,0cyclictest741-21lldpd00:22:312
188559976,1cyclictest743-21snmpd23:15:552
188559976,1cyclictest743-21snmpd00:34:512
188559976,1cyclictest522-21avahi-daemon23:44:382
188559976,1cyclictest522-21avahi-daemon22:45:182
188559975,2cyclictest743-21snmpd22:39:392
188559975,2cyclictest743-21snmpd21:36:502
188559975,2cyclictest743-21snmpd20:30:392
188559975,2cyclictest743-21snmpd20:12:522
188509977,0cyclictest743-21snmpd23:02:131
188509977,0cyclictest743-21snmpd22:54:421
188509977,0cyclictest741-21lldpd23:51:421
188509977,0cyclictest741-21lldpd23:32:591
188509977,0cyclictest741-21lldpd00:34:381
188509976,1cyclictest743-21snmpd19:49:261
188509976,1cyclictest5262-21tail21:10:211
188509975,2cyclictest7507-21ld22:35:161
188509975,2cyclictest743-21snmpd22:56:171
188509975,2cyclictest743-21snmpd22:09:261
188509975,2cyclictest743-21snmpd21:56:191
188509975,2cyclictest743-21snmpd21:26:401
188509975,2cyclictest743-21snmpd20:58:301
188509973,3cyclictest6490-21ntp_states19:55:181
188609966,0cyclictest741-21lldpd23:46:503
188609966,0cyclictest741-21lldpd23:21:103
188609966,0cyclictest741-21lldpd00:25:453
188609965,1cyclictest743-21snmpd23:34:383
188609965,1cyclictest743-21snmpd22:40:173
188609965,1cyclictest743-21snmpd19:50:403
188609965,1cyclictest743-21snmpd19:14:583
188609965,1cyclictest244-20systemd-journal19:41:043
188609964,2cyclictest743-21snmpd19:24:093
188609964,2cyclictest27464-21cat22:05:133
188609962,4cyclictest557-21NetworkManager22:38:423
188609962,4cyclictest557-21NetworkManager00:05:123
188609962,3cyclictest25101-21apt19:25:123
188559966,0cyclictest743-21snmpd23:35:322
188559966,0cyclictest741-21lldpd23:32:582
188559966,0cyclictest741-21lldpd20:25:062
188559966,0cyclictest741-21lldpd00:16:322
188559966,0cyclictest522-21avahi-daemon20:46:052
188559966,0cyclictest506-21systemd-resolve21:51:062
188559965,1cyclictest743-21snmpd21:44:492
188559965,1cyclictest741-21lldpd23:00:222
188559964,2cyclictest743-21snmpd20:21:112
188559964,2cyclictest28218-21cat23:25:142
188559964,2cyclictest19485-21cat19:10:132
188559963,3cyclictest557-21NetworkManager23:46:242
188559963,3cyclictest557-21NetworkManager21:49:252
188559963,2cyclictest575-21rs:main2
188559963,2cyclictest575-21rs:main2
188559962,4cyclictest557-21NetworkManager23:50:052
188559962,4cyclictest557-21NetworkManager20:55:382
188559962,3cyclictest15371-21memory22:55:142
188559961,2cyclictest24830-21cat22:00:002
188509966,0cyclictest743-21snmpd21:51:571
188509966,0cyclictest741-21lldpd20:31:281
188509966,0cyclictest741-21lldpd19:21:261
188509965,1cyclictest743-21snmpd21:18:551
188509965,1cyclictest741-21lldpd20:29:591
188509964,2cyclictest743-21snmpd19:12:011
188509963,3cyclictest9866-21diskstats20:05:111
188609955,0cyclictest741-21lldpd21:26:013
188609955,0cyclictest522-21avahi-daemon21:20:313
188609955,0cyclictest522-21avahi-daemon20:41:243
188609955,0cyclictest4854-21smartctl21:10:183
188609955,0cyclictest31634-21sendmail21:00:003
188609954,1cyclictest743-21snmpd23:59:393
188609954,1cyclictest743-21snmpd23:28:133
188609954,1cyclictest506-21systemd-resolve20:16:503
188609953,2cyclictest743-21snmpd22:51:183
188609953,2cyclictest15366-21cat21:35:153
188609952,3cyclictest557-21NetworkManager20:52:123
188609952,2cyclictest3420-21ntp_192.168.11422:25:163
188609952,2cyclictest30263-21sed22:10:213
188609952,2cyclictest30263-21sed22:10:203
188609952,2cyclictest2993-21wc23:40:193
188609952,2cyclictest2991-21seq21:06:253
188609952,2cyclictest11935-21tune2fs20:10:143
188609952,2cyclictest1079-21fw_packets19:45:143
188559954,1cyclictest522-21avahi-daemon22:00:152
188559954,1cyclictest0-21swapper/220:00:012
188559953,2cyclictest743-21snmpd23:10:332
188559953,2cyclictest743-21snmpd19:32:242
188559952,3cyclictest12706-21fw_forwarded_lo00:05:132
188559952,2cyclictest8454-21apt-get21:20:132
188559952,2cyclictest19951-21sort23:05:212
188559952,2cyclictest10492-21seq22:44:382
188559951,4cyclictest557-21NetworkManager22:26:052
188509955,0cyclictest743-21snmpd22:01:361
188509955,0cyclictest506-21systemd-resolve21:48:531
188509953,2cyclictest717-21ntpd20:50:321
188509953,2cyclictest717-21ntpd20:40:551
188509952,3cyclictest717-21ntpd22:25:221
188509952,3cyclictest557-21NetworkManager00:06:181
188509952,3cyclictest32345-21cat21:00:141
188509952,3cyclictest21429-21pmu-power00:25:201
188509952,2cyclictest244-20systemd-journal00:36:001
188509952,2cyclictest21056-21apt-get19:15:141
188509951,3cyclictest29127-21apt19:35:111
188509950,4cyclictest244-20systemd-journal23:20:251
188459954,1cyclictest65850irq/126-lan20:45:200
188609944,0cyclictest6322-21head21:15:153
188609942,2cyclictest5562-21collect222:30:183
188609940,4cyclictest10432-21ntpq20:05:153
188609940,3cyclictest8518-21ntp_states20:00:163
188609940,3cyclictest27112-21apt19:30:113
188559943,1cyclictest421ktimers/219:50:162
188559942,2cyclictest743-21snmpd20:08:342
188559942,2cyclictest743-21snmpd19:26:402
188559942,2cyclictest32503-21sed19:40:212
188559942,2cyclictest23519-21cat19:20:132
188559940,4cyclictest24707-21ntpq20:40:172
188559940,3cyclictest880-21/usr/sbin/munin21:00:212
188509941,2cyclictest8362-21cat21:20:011
188509941,2cyclictest15014-21cpuspeed_turbos21:35:131
188609930,3cyclictest16590-21df00:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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