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2026-05-27 - 01:40

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 Tue May 26, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1832992222,0cyclictest4314-21fwupd09:52:420
1840991918,1cyclictest65850irq/126-lan11:05:141
1840991918,1cyclictest65850irq/126-lan09:40:211
1840991818,0cyclictest743-21snmpd10:41:281
1840991818,0cyclictest743-21snmpd10:31:021
1840991818,0cyclictest65850irq/126-lan12:24:261
1840991818,0cyclictest65850irq/126-lan08:00:141
1840991817,1cyclictest65850irq/126-lan12:13:401
1840991817,1cyclictest65850irq/126-lan09:23:201
1840991717,0cyclictest743-21snmpd12:25:011
1840991717,0cyclictest743-21snmpd10:18:411
1840991717,0cyclictest743-21snmpd08:08:391
1840991717,0cyclictest65850irq/126-lan11:35:171
1840991717,0cyclictest65850irq/126-lan10:23:571
1840991717,0cyclictest65850irq/126-lan08:50:121
1840991717,0cyclictest65850irq/126-lan08:44:451
1840991717,0cyclictest25504-21cat09:25:141
1840991716,1cyclictest65850irq/126-lan11:55:121
1840991716,1cyclictest65850irq/126-lan11:20:181
1840991716,1cyclictest65850irq/126-lan10:45:191
1840991716,1cyclictest65850irq/126-lan07:40:181
1840991616,0cyclictest743-21snmpd12:34:261
1840991616,0cyclictest743-21snmpd11:45:061
1840991616,0cyclictest743-21snmpd11:33:051
1840991616,0cyclictest65850irq/126-lan11:40:141
1840991616,0cyclictest65850irq/126-lan10:55:001
1840991616,0cyclictest65850irq/126-lan10:03:261
1840991616,0cyclictest65850irq/126-lan09:37:011
1840991616,0cyclictest65850irq/126-lan09:00:151
1840991616,0cyclictest65850irq/126-lan08:30:201
1840991616,0cyclictest65850irq/126-lan08:25:161
1840991616,0cyclictest65850irq/126-lan07:37:361
1840991616,0cyclictest65850irq/126-lan07:20:211
1840991616,0cyclictest21115-21cat07:55:131
1840991616,0cyclictest10977-21cat07:30:151
1840991615,1cyclictest65850irq/126-lan07:45:231
1840991515,0cyclictest743-21snmpd08:16:301
1840991515,0cyclictest65850irq/126-lan11:25:181
1840991515,0cyclictest65850irq/126-lan11:15:231
1840991515,0cyclictest65850irq/126-lan09:55:121
1840991515,0cyclictest65850irq/126-lan09:50:101
1840991515,0cyclictest65850irq/126-lan09:30:111
1840991515,0cyclictest65850irq/126-lan09:10:161
1840991514,1cyclictest65850irq/126-lan12:35:141
1840991514,1cyclictest65850irq/126-lan12:00:151
1840991514,1cyclictest65850irq/126-lan11:50:121
1840991514,1cyclictest65850irq/126-lan10:05:131
1840991514,1cyclictest65850irq/126-lan09:15:181
1840991414,0cyclictest65850irq/126-lan12:15:171
1840991414,0cyclictest65850irq/126-lan11:03:261
1840991414,0cyclictest65850irq/126-lan10:36:281
1840991414,0cyclictest65850irq/126-lan10:25:161
1840991414,0cyclictest65850irq/126-lan08:55:191
1840991414,0cyclictest65850irq/126-lan08:10:181
1840991414,0cyclictest65850irq/126-lan07:10:181
1840991413,1cyclictest65850irq/126-lan10:58:341
1840991413,1cyclictest65850irq/126-lan08:35:161
1840991313,0cyclictest65850irq/126-lan07:28:271
1840991313,0cyclictest65850irq/126-lan07:15:121
1840991313,0cyclictest65850irq/126-lan07:15:111
1840991312,1cyclictest65850irq/126-lan09:45:101
1840991212,0cyclictest65850irq/126-lan11:10:191
1840991212,0cyclictest65850irq/126-lan08:20:181
1840991212,0cyclictest65850irq/126-lan07:50:171
1840991211,1cyclictest65850irq/126-lan10:10:171
1840991111,0cyclictest65850irq/126-lan12:06:081
1840991111,0cyclictest65850irq/126-lan09:05:121
1840991010,0cyclictest65850irq/126-lan08:45:201
18499998,1cyclictest743-21snmpd10:45:213
18499998,1cyclictest743-21snmpd10:13:533
18499998,1cyclictest743-21snmpd07:38:073
18499998,1cyclictest741-21lldpd08:35:483
18459998,1cyclictest743-21snmpd12:34:322
18459998,1cyclictest743-21snmpd08:53:552
18459998,1cyclictest12603-21grep10:10:212
18329998,1cyclictest743-21snmpd10:44:160
18329998,1cyclictest743-21snmpd07:44:400
18329997,0cyclictest191rcu_preempt07:20:010
18329997,0cyclictest191rcu_preempt07:20:000
18499988,0cyclictest743-21snmpd11:30:343
18499988,0cyclictest741-21lldpd11:08:403
18499988,0cyclictest741-21lldpd09:49:333
18499987,1cyclictest743-21snmpd11:26:023
18499987,1cyclictest741-21lldpd10:52:123
18499986,2cyclictest743-21snmpd12:12:013
18499986,2cyclictest743-21snmpd09:57:263
18499986,2cyclictest743-21snmpd09:19:143
18499986,2cyclictest25756-21cat12:05:153
18459988,0cyclictest743-21snmpd12:35:442
18459988,0cyclictest743-21snmpd08:37:302
18459988,0cyclictest743-21snmpd07:59:012
18459988,0cyclictest743-21snmpd07:10:302
18459988,0cyclictest741-21lldpd11:36:072
18459988,0cyclictest741-21lldpd08:21:042
18459988,0cyclictest522-21avahi-daemon11:21:472
18459987,1cyclictest743-21snmpd11:27:262
18459987,1cyclictest743-21snmpd10:26:152
18459987,1cyclictest743-21snmpd10:09:452
18459987,1cyclictest743-21snmpd09:23:412
18459987,1cyclictest743-21snmpd08:42:502
18459987,1cyclictest743-21snmpd08:02:562
18459986,2cyclictest743-21snmpd11:41:152
18459986,2cyclictest743-21snmpd09:56:452
18459986,2cyclictest743-21snmpd09:25:102
18459986,2cyclictest743-21snmpd09:05:252
18459986,2cyclictest743-21snmpd08:33:272
18459986,2cyclictest743-21snmpd07:36:442
18459986,2cyclictest743-21snmpd07:25:282
18459986,2cyclictest743-21snmpd07:22:512
18459986,2cyclictest743-21snmpd07:15:102
18459986,2cyclictest743-21snmpd07:15:092
18329988,0cyclictest743-21snmpd11:50:410
18329988,0cyclictest741-21lldpd12:36:180
18329988,0cyclictest741-21lldpd08:06:520
18329987,1cyclictest743-21snmpd12:19:190
18329987,1cyclictest743-21snmpd09:57:180
18329987,1cyclictest743-21snmpd08:48:090
18329987,1cyclictest743-21snmpd08:26:410
18329987,1cyclictest741-21lldpd12:28:210
18329987,1cyclictest506-21systemd-resolve12:30:120
18329986,2cyclictest743-21snmpd10:07:240
18329986,2cyclictest743-21snmpd09:41:020
18329986,2cyclictest743-21snmpd07:31:290
18329986,0cyclictest191rcu_preempt12:05:200
18329986,0cyclictest191rcu_preempt09:30:000
18499977,0cyclictest743-21snmpd12:16:003
18499977,0cyclictest743-21snmpd11:56:183
18499977,0cyclictest743-21snmpd10:33:253
18499977,0cyclictest743-21snmpd09:40:493
18499977,0cyclictest741-21lldpd09:53:053
18499977,0cyclictest741-21lldpd07:26:083
18499976,1cyclictest743-21snmpd12:22:193
18499976,1cyclictest743-21snmpd08:53:583
18499976,1cyclictest743-21snmpd08:24:363
18499976,1cyclictest741-21lldpd09:26:023
18499976,1cyclictest14751-21fschecks_count09:00:133
18499975,2cyclictest743-21snmpd11:18:433
18499975,2cyclictest743-21snmpd11:11:203
18499975,2cyclictest743-21snmpd10:19:453
18499975,2cyclictest743-21snmpd09:32:323
18499975,2cyclictest743-21snmpd09:07:103
18499975,2cyclictest19441-21cat09:10:143
18459977,0cyclictest743-21snmpd11:55:272
18459977,0cyclictest743-21snmpd11:47:212
18459977,0cyclictest743-21snmpd10:54:282
18459977,0cyclictest743-21snmpd09:33:442
18459977,0cyclictest743-21snmpd07:49:022
18459977,0cyclictest743-21snmpd07:30:082
18459977,0cyclictest741-21lldpd12:25:152
18459977,0cyclictest741-21lldpd12:19:112
18459977,0cyclictest741-21lldpd11:00:312
18459977,0cyclictest741-21lldpd07:50:212
18459976,1cyclictest743-21snmpd08:55:362
18459976,1cyclictest522-21avahi-daemon08:16:352
18459976,1cyclictest0-21swapper/210:00:142
18459975,2cyclictest743-21snmpd10:41:192
18459975,2cyclictest743-21snmpd10:37:102
18459975,2cyclictest743-21snmpd09:18:562
18459975,2cyclictest743-21snmpd08:27:442
18329977,0cyclictest743-21snmpd11:37:050
18329977,0cyclictest743-21snmpd10:25:450
18329977,0cyclictest741-21lldpd11:25:320
18329977,0cyclictest741-21lldpd08:36:240
18329977,0cyclictest522-21avahi-daemon10:03:010
18329976,1cyclictest743-21snmpd11:00:220
18329976,1cyclictest743-21snmpd10:57:400
18329976,1cyclictest522-21avahi-daemon12:14:440
18329976,0cyclictest191rcu_preempt10:11:100
18329976,0cyclictest191rcu_preempt09:48:370
18329975,2cyclictest743-21snmpd11:43:180
18329975,2cyclictest743-21snmpd11:15:500
18329973,3cyclictest2968-21sed08:30:130
18329973,2cyclictest16-21ksoftirqd/007:40:010
18329972,3cyclictest16-21ksoftirqd/008:55:200
18329971,4cyclictest16-21ksoftirqd/011:30:120
18329971,2cyclictest16-21ksoftirqd/008:50:180
18329970,4cyclictest24041-21ntpq12:00:170
18499966,0cyclictest741-21lldpd11:37:373
18499966,0cyclictest741-21lldpd10:26:263
18499966,0cyclictest741-21lldpd07:52:503
18499966,0cyclictest522-21avahi-daemon10:08:543
18499965,1cyclictest743-21snmpd12:30:473
18499965,1cyclictest743-21snmpd12:25:373
18499965,1cyclictest743-21snmpd12:00:293
18499965,1cyclictest743-21snmpd08:19:183
18499965,1cyclictest741-21lldpd09:38:233
18499965,1cyclictest522-21avahi-daemon10:35:233
18499965,1cyclictest1827-21cyclictest07:45:133
18499964,2cyclictest743-21snmpd07:30:473
18499963,2cyclictest7304-21sed12:40:003
18499963,2cyclictest244-20systemd-journal08:31:373
18459966,0cyclictest743-21snmpd08:12:052
18459966,0cyclictest741-21lldpd10:19:292
18459964,2cyclictest743-21snmpd11:53:422
18459963,2cyclictest29523-21tr10:55:112
18459963,2cyclictest24510-21sed12:00:222
18459962,3cyclictest25594-21perl12:05:142
18459962,3cyclictest20704-21users10:30:202
18329966,0cyclictest743-21snmpd11:06:580
18329966,0cyclictest522-21avahi-daemon08:11:500
18329966,0cyclictest221rcuc/011:10:200
18329965,1cyclictest19068-21cpuspeed_turbos09:10:120
18329965,1cyclictest171ktimers/008:40:160
18329965,1cyclictest0-21swapper/011:45:150
18329965,0cyclictest191rcu_preempt10:53:050
18329965,0cyclictest191rcu_preempt10:31:390
18329965,0cyclictest191rcu_preempt10:20:120
18329965,0cyclictest191rcu_preempt09:15:120
18329964,2cyclictest743-21snmpd07:25:160
18329964,2cyclictest1827-21cyclictest10:17:020
18329964,2cyclictest1827-21cyclictest07:13:460
18329964,0cyclictest191rcu_preempt09:36:290
18329964,0cyclictest191rcu_preempt07:47:380
18329962,2cyclictest16-21ksoftirqd/010:45:170
18329961,3cyclictest16-21ksoftirqd/010:35:160
18329961,3cyclictest16-21ksoftirqd/009:34:260
18329961,3cyclictest16-21ksoftirqd/007:50:160
18329961,2cyclictest22288-21wc11:55:180
18329961,1cyclictest32639-21grep08:25:000
18329960,5cyclictest6240-21df_inode07:20:130
18329960,4cyclictest16-21ksoftirqd/011:20:160
18329960,4cyclictest15731-21cat09:00:200
18329960,3cyclictest1177-21munin-run12:24:590
18499955,0cyclictest743-21snmpd11:54:273
18499955,0cyclictest743-21snmpd11:20:443
18499955,0cyclictest743-21snmpd10:55:133
18499955,0cyclictest743-21snmpd07:20:393
18499955,0cyclictest573-21in:imuxsock07:18:283
18499955,0cyclictest573-21in:imuxsock07:18:273
18499955,0cyclictest522-21avahi-daemon07:14:033
18499955,0cyclictest506-21systemd-resolve10:40:553
18499954,1cyclictest741-21lldpd07:43:583
18499954,1cyclictest0-21swapper/308:40:143
18499953,2cyclictest743-21snmpd08:55:183
18499953,2cyclictest743-21snmpd08:11:053
18499953,2cyclictest743-21snmpd08:07:533
18499952,3cyclictest7852-21mailstats10:00:203
18499952,3cyclictest1439-21sensors_temp08:25:193
18499952,2cyclictest31854-21smartctl11:00:143
18499952,2cyclictest244-20systemd-journal07:56:233
18499952,2cyclictest23832-21ld09:20:163
18499950,4cyclictest18120-21ntpq11:45:173
18459955,0cyclictest743-21snmpd09:45:042
18459955,0cyclictest743-21snmpd09:12:092
18459955,0cyclictest522-21avahi-daemon10:48:502
18459955,0cyclictest522-21avahi-daemon09:37:482
18459955,0cyclictest15416-21ntpq07:40:152
18459954,1cyclictest741-21lldpd11:16:472
18459952,3cyclictest743-21snmpd09:53:262
18459952,3cyclictest557-21NetworkManager09:43:132
18459952,2cyclictest9837-21users08:45:212
18459952,2cyclictest28126-21cut12:10:142
18459952,2cyclictest16626-21sed10:20:212
18459951,3cyclictest15602-21sed09:00:212
18329954,0cyclictest191rcu_preempt08:15:110
18329953,2cyclictest1827-21cyclictest09:20:530
18329952,2cyclictest23277-21sed08:00:150
18329950,3cyclictest16556-21apt-get09:05:110
18329950,3cyclictest16-21ksoftirqd/007:55:120
18499944,0cyclictest717-21ntpd11:40:123
18499943,1cyclictest743-21snmpd10:20:063
18499942,2cyclictest557-21NetworkManager08:45:153
18499940,3cyclictest22883-21fschecks_count08:00:133
18459942,2cyclictest1517-21cat11:05:152
18459941,2cyclictest11358-21sh11:30:112
18459940,4cyclictest3905-21ntpq11:10:172
18459940,3cyclictest32612-21ntpq12:20:172
18459940,3cyclictest25426-21ntpq08:05:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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