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2026-05-20 - 04:30

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 Wed May 20, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8713991918,1cyclictest65850irq/126-lan21:30:133
8713991818,0cyclictest65850irq/126-lan21:55:523
8713991818,0cyclictest65850irq/126-lan21:15:303
8713991818,0cyclictest65850irq/126-lan20:25:093
8713991817,1cyclictest65850irq/126-lan22:10:163
8713991817,1cyclictest65850irq/126-lan00:40:003
8713991816,1cyclictest65850irq/126-lan23:55:093
8713991717,0cyclictest65850irq/126-lan23:40:153
8713991717,0cyclictest65850irq/126-lan21:00:163
8713991717,0cyclictest65850irq/126-lan20:14:323
8713991717,0cyclictest65850irq/126-lan19:58:263
8713991716,1cyclictest65850irq/126-lan23:25:113
8713991716,1cyclictest65850irq/126-lan22:50:103
8713991716,1cyclictest65850irq/126-lan22:20:183
8713991716,1cyclictest65850irq/126-lan21:20:143
8713991716,1cyclictest65850irq/126-lan20:05:163
8713991716,1cyclictest65850irq/126-lan20:00:113
8713991716,1cyclictest65850irq/126-lan19:45:143
8713991716,1cyclictest65850irq/126-lan19:15:203
8713991716,1cyclictest65850irq/126-lan00:10:123
8713991616,0cyclictest65850irq/126-lan23:30:133
8713991616,0cyclictest65850irq/126-lan23:20:053
8713991616,0cyclictest65850irq/126-lan23:05:123
8713991616,0cyclictest65850irq/126-lan22:40:193
8713991616,0cyclictest65850irq/126-lan21:45:163
8713991616,0cyclictest65850irq/126-lan21:35:113
8713991616,0cyclictest65850irq/126-lan19:35:163
8713991616,0cyclictest65850irq/126-lan00:25:183
8713991616,0cyclictest65850irq/126-lan00:02:073
8713991615,1cyclictest65850irq/126-lan23:45:133
8713991615,1cyclictest65850irq/126-lan23:15:143
8713991615,1cyclictest65850irq/126-lan23:00:113
8713991615,1cyclictest65850irq/126-lan22:55:113
8713991615,1cyclictest65850irq/126-lan21:10:183
8713991615,1cyclictest65850irq/126-lan20:46:023
8713991615,1cyclictest65850irq/126-lan19:10:203
8713991515,0cyclictest65850irq/126-lan23:50:193
8713991515,0cyclictest65850irq/126-lan20:20:383
8713991514,1cyclictest65850irq/126-lan22:35:123
8713991514,1cyclictest65850irq/126-lan22:30:173
8713991514,1cyclictest65850irq/126-lan22:25:183
8713991514,1cyclictest65850irq/126-lan20:50:223
8713991514,1cyclictest65850irq/126-lan20:30:133
8713991514,1cyclictest65850irq/126-lan19:50:143
8713991514,1cyclictest65850irq/126-lan00:05:223
8713991414,0cyclictest65850irq/126-lan20:40:173
8713991413,1cyclictest65850irq/126-lan19:25:143
8713991313,0cyclictest65850irq/126-lan22:45:113
8713991313,0cyclictest65850irq/126-lan22:05:563
8713991313,0cyclictest65850irq/126-lan21:09:573
8713991313,0cyclictest65850irq/126-lan20:15:113
8713991312,1cyclictest65850irq/126-lan21:40:213
8713991312,1cyclictest65850irq/126-lan19:40:113
8713991312,1cyclictest65850irq/126-lan00:30:143
8713991212,0cyclictest65850irq/126-lan23:10:113
8713991212,0cyclictest65850irq/126-lan20:39:053
8713991212,0cyclictest65850irq/126-lan00:15:103
8713991211,1cyclictest65850irq/126-lan19:30:173
8713991111,0cyclictest65850irq/126-lan22:00:223
8713991010,0cyclictest65850irq/126-lan22:15:143
8713991010,0cyclictest65850irq/126-lan20:55:143
8713991010,0cyclictest65850irq/126-lan00:20:213
87139998,1cyclictest741-21lldpd21:54:303
87119998,1cyclictest743-21snmpd00:38:542
87039998,1cyclictest743-21snmpd19:46:290
87039998,1cyclictest743-21snmpd00:22:530
87139988,0cyclictest65850irq/126-lan21:25:133
87119988,0cyclictest743-21snmpd22:57:292
87119988,0cyclictest741-21lldpd23:55:152
87119988,0cyclictest741-21lldpd23:25:392
87119988,0cyclictest741-21lldpd22:40:482
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient23:46:192
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient23:24:202
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient23:13:212
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient22:51:232
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient21:45:292
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient21:01:332
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient20:28:372
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient19:44:402
87119987,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient00:08:172
87119986,2cyclictest743-21snmpd23:30:402
87119986,2cyclictest743-21snmpd22:13:222
87119984,2cyclictest0-21swapper/200:05:012
87079988,0cyclictest743-21snmpd23:13:291
87079988,0cyclictest743-21snmpd21:16:021
87079988,0cyclictest743-21snmpd20:54:071
87079988,0cyclictest743-21snmpd19:52:031
87079988,0cyclictest743-21snmpd00:15:401
87079988,0cyclictest741-21lldpd22:51:261
87079988,0cyclictest741-21lldpd21:31:551
87079988,0cyclictest741-21lldpd00:25:001
87079987,1cyclictest522-21avahi-daemon20:20:171
87079986,2cyclictest743-21snmpd23:40:391
87079986,2cyclictest743-21snmpd21:28:391
87039988,0cyclictest743-21snmpd22:39:250
87039988,0cyclictest741-21lldpd21:41:030
87039988,0cyclictest741-21lldpd20:41:370
87039988,0cyclictest741-21lldpd19:25:350
87039987,1cyclictest743-21snmpd23:50:040
87039987,1cyclictest743-21snmpd23:22:240
87039987,1cyclictest743-21snmpd21:54:390
87039987,1cyclictest743-21snmpd21:10:420
87039987,1cyclictest743-21snmpd00:18:370
87039987,1cyclictest743-21snmpd00:00:190
87039986,2cyclictest743-21snmpd23:47:480
87039986,2cyclictest743-21snmpd22:01:220
87039986,2cyclictest743-21snmpd20:52:490
87139976,1cyclictest65850irq/126-lan19:20:163
87119977,0cyclictest743-21snmpd00:12:192
87119977,0cyclictest741-21lldpd21:56:032
87119977,0cyclictest741-21lldpd21:31:532
87119977,0cyclictest522-21avahi-daemon00:17:402
87119976,1cyclictest743-21snmpd20:02:122
87119976,1cyclictest557-21NetworkManager20:50:122
87119976,1cyclictest244-20systemd-journal19:11:002
87119976,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient22:18:272
87119976,1cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient19:33:412
87119976,0cyclictest191rcu_preempt00:23:032
87119975,2cyclictest743-21snmpd23:39:182
87119975,2cyclictest743-21snmpd23:03:482
87119975,2cyclictest743-21snmpd22:00:372
87119975,0cyclictest191rcu_preempt23:41:362
87119975,0cyclictest191rcu_preempt20:59:422
87119975,0cyclictest191rcu_preempt20:05:012
87119973,2cyclictest43-21ksoftirqd/219:35:182
87119970,2cyclictest43-21ksoftirqd/200:25:122
87079977,0cyclictest743-21snmpd23:24:201
87079977,0cyclictest743-21snmpd19:37:361
87079977,0cyclictest743-21snmpd19:13:561
87079977,0cyclictest743-21snmpd00:07:531
87079977,0cyclictest741-21lldpd21:05:091
87079976,1cyclictest743-21snmpd20:15:241
87079976,1cyclictest522-21avahi-daemon22:00:441
87079976,1cyclictest14708-21cut19:25:011
87079976,1cyclictest14409-21cron00:40:001
87079975,2cyclictest743-21snmpd20:05:061
87079975,2cyclictest743-21snmpd20:02:451
87079975,2cyclictest743-21snmpd00:12:011
87079975,2cyclictest25199-21sed23:45:151
87039977,0cyclictest743-21snmpd21:25:320
87039977,0cyclictest743-21snmpd21:03:260
87039977,0cyclictest743-21snmpd20:13:370
87039977,0cyclictest741-21lldpd23:29:090
87039977,0cyclictest741-21lldpd22:25:480
87039977,0cyclictest741-21lldpd21:19:450
87039977,0cyclictest741-21lldpd20:31:160
87039977,0cyclictest741-21lldpd20:27:030
87039977,0cyclictest741-21lldpd20:03:260
87039976,1cyclictest743-21snmpd21:58:150
87039976,1cyclictest743-21snmpd19:15:230
87039976,1cyclictest743-21snmpd00:31:170
87039976,1cyclictest741-21lldpd22:58:310
87039976,1cyclictest741-21lldpd00:14:180
87039976,1cyclictest30698-21cpuspeed_turbos22:40:110
87039975,2cyclictest743-21snmpd23:10:500
87039975,2cyclictest743-21snmpd23:09:000
87039975,2cyclictest743-21snmpd22:18:530
87039975,2cyclictest743-21snmpd20:06:210
87039975,2cyclictest743-21snmpd19:14:350
87039974,3cyclictest743-21snmpd19:59:010
87139965,1cyclictest65850irq/126-lan23:35:203
87119966,0cyclictest741-21lldpd20:13:222
87119966,0cyclictest1290-21kworker/2:1+events_freezable_pwr_efficient19:55:392
87119965,1cyclictest743-21snmpd20:30:282
87119965,1cyclictest743-21snmpd20:19:512
87119965,1cyclictest743-21snmpd19:50:072
87119965,1cyclictest741-21lldpd23:09:192
87119965,0cyclictest191rcu_preempt23:50:152
87119965,0cyclictest191rcu_preempt21:23:382
87119965,0cyclictest191rcu_preempt19:15:182
87119964,2cyclictest743-21snmpd21:10:092
87119964,0cyclictest191rcu_preempt21:06:272
87119964,0cyclictest191rcu_preempt19:28:502
87119963,1cyclictest43-21ksoftirqd/220:45:152
87119963,1cyclictest191rcu_preempt22:50:002
87119962,3cyclictest43-21ksoftirqd/221:40:132
87119962,3cyclictest16617-21diskstats22:05:132
87119960,3cyclictest6287-21netstat20:20:152
87119960,3cyclictest43-21ksoftirqd/200:30:162
87079966,0cyclictest743-21snmpd23:00:151
87079966,0cyclictest743-21snmpd22:35:041
87079966,0cyclictest743-21snmpd21:37:271
87079966,0cyclictest743-21snmpd20:44:501
87079966,0cyclictest741-21lldpd21:04:471
87079965,1cyclictest743-21snmpd22:34:321
87079965,1cyclictest743-21snmpd21:58:331
87079965,1cyclictest743-21snmpd21:23:531
87079965,1cyclictest743-21snmpd00:31:441
87079965,1cyclictest573-21in:imuxsock23:05:501
87079965,1cyclictest522-21avahi-daemon19:45:331
87079965,1cyclictest506-21systemd-resolve19:40:051
87079964,2cyclictest743-21snmpd22:20:461
87079964,2cyclictest743-21snmpd21:51:211
87079963,2cyclictest21324-21ntp_states22:15:191
87039966,0cyclictest743-21snmpd22:08:210
87039966,0cyclictest743-21snmpd21:45:400
87039966,0cyclictest743-21snmpd00:36:450
87039966,0cyclictest741-21lldpd22:10:220
87039966,0cyclictest741-21lldpd19:41:480
87039965,1cyclictest743-21snmpd22:20:370
87039965,1cyclictest741-21lldpd20:22:320
87039965,1cyclictest27349-21apt-config19:55:000
87039964,2cyclictest743-21snmpd23:31:220
87039964,2cyclictest743-21snmpd22:34:350
87039964,2cyclictest743-21snmpd21:05:470
87039962,3cyclictest244-20systemd-journal21:34:030
87119954,0cyclictest191rcu_preempt20:40:152
87119954,0cyclictest191rcu_preempt20:37:372
87119953,2cyclictest8694-21cyclictest21:35:122
87119953,2cyclictest13177-21cat23:15:172
87119953,1cyclictest191rcu_preempt22:30:152
87119953,0cyclictest191rcu_preempt22:25:232
87119952,1cyclictest43-21ksoftirqd/222:35:172
87119951,3cyclictest32268-21apt-get21:25:112
87119950,3cyclictest43-21ksoftirqd/221:50:152
87119950,3cyclictest24098-21runrttasks22:23:092
87119950,3cyclictest14221-21unixbench_multi19:20:202
87119950,2cyclictest0-21swapper/221:15:182
87079955,0cyclictest743-21snmpd21:40:301
87079955,0cyclictest743-21snmpd20:26:201
87079955,0cyclictest741-21lldpd22:48:471
87079955,0cyclictest741-21lldpd20:11:171
87079955,0cyclictest522-21avahi-daemon19:26:001
87079954,1cyclictest743-21snmpd19:31:021
87079954,1cyclictest741-21lldpd00:03:001
87079952,3cyclictest557-21NetworkManager20:33:071
87079952,3cyclictest19266-21ntpq22:10:161
87079952,2cyclictest743-21snmpd19:15:081
87079952,2cyclictest575-21rs:main1
87079952,2cyclictest25533-21systemctl22:25:181
87039954,1cyclictest970-21ntpq22:45:160
87039953,2cyclictest743-21snmpd21:22:080
87039953,2cyclictest743-21snmpd19:20:330
87039953,0cyclictest0-21swapper/019:31:090
87039952,2cyclictest29047-21entropy23:55:100
87039952,2cyclictest244-20systemd-journal21:35:020
87039952,2cyclictest16738-21mailstats20:45:190
87039952,2cyclictest12859-21grep20:35:200
87039951,3cyclictest21633-21ntpq23:35:170
87039951,3cyclictest19699-21fw_forwarded_lo19:35:140
87039950,4cyclictest13514-21ntpq23:15:190
87039950,4cyclictest1282-21ntpq00:05:220
87039950,3cyclictest4208-21cat22:55:000
87119940,1cyclictest0-21swapper/219:45:152
87079944,0cyclictest743-21snmpd23:31:461
87079942,2cyclictest743-21snmpd23:50:221
87079942,2cyclictest717-21ntpd20:55:191
87079942,2cyclictest6867-21grep00:20:151
87079942,2cyclictest28929-21mailstats19:55:191
87079942,2cyclictest20809-21apt-get23:35:121
87079941,2cyclictest26900-21ntp_192.168.11421:10:161
87079941,2cyclictest17327-21latency23:25:141
87079941,2cyclictest13152-21if_err_lan23:15:161
87079940,4cyclictest9180-21ntpq21:45:201
87079940,4cyclictest30740-21df_inode22:40:121
87079940,4cyclictest29635-21ntpq23:55:131
87079940,4cyclictest12417-21ntpq20:35:151
87079940,3cyclictest4817-21diskstats22:55:111
87079940,3cyclictest16535-21ntp_states20:45:161
87039942,2cyclictest7060-21expr23:00:130
87039941,2cyclictest8944-21gltestperf00:25:130
87039941,2cyclictest3745-21cat20:15:120
87039941,2cyclictest19802-21tr20:55:120
87039940,4cyclictest23565-21ntpq23:40:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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