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2026-05-14 - 10:57

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 highest latencies:
System rack8slot6s.osadl.org (updated Thu May 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31714991918,1cyclictest65850irq/126-lan19:27:031
31714991817,1cyclictest65850irq/126-lan21:40:001
31714991817,1cyclictest65850irq/126-lan20:55:151
31714991717,0cyclictest65850irq/126-lan22:40:121
31714991717,0cyclictest65850irq/126-lan21:02:011
31714991717,0cyclictest65850irq/126-lan20:21:391
31714991716,1cyclictest65850irq/126-lan22:40:021
31714991716,1cyclictest65850irq/126-lan22:05:201
31714991716,1cyclictest65850irq/126-lan21:30:131
31714991716,1cyclictest65850irq/126-lan21:20:171
31714991716,1cyclictest65850irq/126-lan21:10:131
31714991716,1cyclictest65850irq/126-lan20:50:131
31714991716,1cyclictest65850irq/126-lan20:30:161
31714991716,1cyclictest65850irq/126-lan20:07:051
31714991716,1cyclictest65850irq/126-lan19:55:201
31714991716,1cyclictest65850irq/126-lan19:10:201
31714991716,1cyclictest65850irq/126-lan00:15:101
31714991616,0cyclictest65850irq/126-lan20:15:551
31714991616,0cyclictest65850irq/126-lan20:00:181
31714991616,0cyclictest65850irq/126-lan19:43:541
31714991616,0cyclictest65850irq/126-lan19:35:131
31714991615,1cyclictest65850irq/126-lan23:19:591
31714991615,1cyclictest65850irq/126-lan23:10:151
31714991615,1cyclictest65850irq/126-lan19:50:121
31714991615,1cyclictest65850irq/126-lan19:47:051
31714991615,1cyclictest65850irq/126-lan19:30:001
31714991615,1cyclictest65850irq/126-lan00:31:431
31714991515,0cyclictest65850irq/126-lan21:25:261
31714991515,0cyclictest65850irq/126-lan21:25:261
31714991515,0cyclictest65850irq/126-lan20:10:111
31714991514,1cyclictest65850irq/126-lan22:25:211
31714991514,1cyclictest65850irq/126-lan22:10:191
31714991514,1cyclictest65850irq/126-lan00:35:111
31714991514,1cyclictest65850irq/126-lan00:25:171
31714991414,0cyclictest65850irq/126-lan23:08:321
31714991414,0cyclictest65850irq/126-lan21:55:111
31714991414,0cyclictest65850irq/126-lan00:09:431
31714991413,1cyclictest65850irq/126-lan23:55:111
31714991413,1cyclictest65850irq/126-lan22:55:171
31714991413,1cyclictest65850irq/126-lan21:05:111
31714991413,1cyclictest65850irq/126-lan19:20:141
31714991413,1cyclictest65850irq/126-lan19:15:161
31714991413,1cyclictest65850irq/126-lan00:10:161
31714991412,2cyclictest743-21snmpd20:40:161
31714991313,0cyclictest65850irq/126-lan23:25:111
31714991313,0cyclictest65850irq/126-lan21:43:271
31714991312,1cyclictest65850irq/126-lan23:30:161
31714991312,1cyclictest65850irq/126-lan00:23:431
31714991312,1cyclictest65850irq/126-lan00:00:121
31714991212,0cyclictest65850irq/126-lan23:50:121
31714991212,0cyclictest65850irq/126-lan23:35:161
31714991212,0cyclictest65850irq/126-lan22:50:441
31714991211,1cyclictest65850irq/126-lan23:00:131
31714991211,1cyclictest65850irq/126-lan22:30:161
31714991211,1cyclictest65850irq/126-lan20:35:171
31714991111,0cyclictest65850irq/126-lan23:24:561
31714991110,1cyclictest65850irq/126-lan23:45:131
31714991110,1cyclictest65850irq/126-lan23:40:151
31714991110,1cyclictest65850irq/126-lan20:45:141
31714991110,1cyclictest65850irq/126-lan20:25:171
31714991010,0cyclictest65850irq/126-lan21:45:161
317259998,1cyclictest743-21snmpd23:23:423
317259998,1cyclictest743-21snmpd22:50:593
317259998,1cyclictest741-21lldpd19:16:043
317259996,2cyclictest21916-21cups-browsed00:00:023
317149999,0cyclictest65850irq/126-lan22:20:021
317149998,1cyclictest65850irq/126-lan22:47:191
317089998,1cyclictest743-21snmpd23:22:450
317089998,1cyclictest743-21snmpd23:04:390
317089998,1cyclictest743-21snmpd22:43:200
317089998,1cyclictest743-21snmpd21:51:480
317259988,0cyclictest743-21snmpd20:57:433
317259988,0cyclictest743-21snmpd20:12:483
317259988,0cyclictest743-21snmpd00:23:543
317259988,0cyclictest741-21lldpd22:56:573
317259988,0cyclictest741-21lldpd21:20:493
317259987,1cyclictest743-21snmpd21:55:513
317259987,1cyclictest743-21snmpd19:23:523
317259987,1cyclictest741-21lldpd23:56:063
317259987,1cyclictest522-21avahi-daemon21:18:103
317259986,2cyclictest743-21snmpd23:04:213
317259986,2cyclictest743-21snmpd00:26:473
317259986,2cyclictest743-21snmpd00:09:123
317219988,0cyclictest741-21lldpd23:44:322
317219988,0cyclictest741-21lldpd23:25:132
317219988,0cyclictest741-21lldpd22:08:082
317219987,1cyclictest743-21snmpd23:03:242
317219987,1cyclictest743-21snmpd22:42:382
317219987,1cyclictest743-21snmpd21:44:572
317219987,1cyclictest743-21snmpd21:33:422
317219987,1cyclictest741-21lldpd23:30:192
317219987,1cyclictest741-21lldpd20:01:402
317219987,1cyclictest522-21avahi-daemon20:12:532
317219987,1cyclictest1861-21fschecks_count00:30:122
317219986,2cyclictest743-21snmpd23:57:342
317219986,2cyclictest743-21snmpd21:23:592
317219986,2cyclictest743-21snmpd20:50:402
317219986,2cyclictest743-21snmpd20:45:102
317219986,2cyclictest743-21snmpd20:15:392
317219986,2cyclictest743-21snmpd19:31:432
317149988,0cyclictest741-21lldpd21:50:501
317149987,1cyclictest65850irq/126-lan22:15:211
317089988,0cyclictest743-21snmpd19:27:130
317089988,0cyclictest741-21lldpd20:40:150
317089988,0cyclictest741-21lldpd19:36:380
317089988,0cyclictest741-21lldpd19:18:180
317089988,0cyclictest741-21lldpd00:25:590
317089987,1cyclictest743-21snmpd23:05:090
317089987,1cyclictest743-21snmpd22:59:270
317089987,1cyclictest743-21snmpd21:48:090
317089987,1cyclictest743-21snmpd20:00:090
317089987,1cyclictest743-21snmpd19:49:200
317089987,1cyclictest741-21lldpd23:44:380
317089987,1cyclictest741-21lldpd23:16:190
317089987,1cyclictest741-21lldpd22:54:410
317089987,1cyclictest741-21lldpd21:27:560
317089987,1cyclictest741-21lldpd21:27:560
317089987,1cyclictest27990-21grep21:35:140
317089986,2cyclictest743-21snmpd23:52:010
317089986,2cyclictest743-21snmpd20:55:040
317089986,2cyclictest743-21snmpd19:11:100
317259977,0cyclictest743-21snmpd23:42:493
317259977,0cyclictest743-21snmpd20:07:183
317259977,0cyclictest743-21snmpd20:01:033
317259977,0cyclictest741-21lldpd23:46:263
317259977,0cyclictest741-21lldpd21:53:083
317259977,0cyclictest741-21lldpd19:58:143
317259977,0cyclictest741-21lldpd19:50:103
317259977,0cyclictest741-21lldpd19:36:163
317259977,0cyclictest741-21lldpd00:37:113
317259977,0cyclictest741-21lldpd00:31:543
317259977,0cyclictest741-21lldpd00:18:243
317259976,1cyclictest743-21snmpd23:35:583
317259976,1cyclictest743-21snmpd23:05:333
317259976,1cyclictest743-21snmpd21:35:363
317259976,1cyclictest5475-21cat22:00:133
317259976,1cyclictest522-21avahi-daemon20:20:373
317259976,1cyclictest4930-21fschecks_count20:40:133
317259975,2cyclictest743-21snmpd23:15:063
317259975,2cyclictest743-21snmpd20:45:493
317259973,3cyclictest17977-21ntp_states22:30:173
317259972,5cyclictest557-21NetworkManager19:40:593
317219977,0cyclictest743-21snmpd21:35:242
317219977,0cyclictest743-21snmpd21:28:332
317219977,0cyclictest743-21snmpd21:28:332
317219977,0cyclictest743-21snmpd20:21:362
317219977,0cyclictest741-21lldpd23:14:072
317219977,0cyclictest741-21lldpd23:08:192
317219977,0cyclictest741-21lldpd21:01:052
317219977,0cyclictest741-21lldpd19:16:142
317219976,1cyclictest743-21snmpd21:13:592
317219976,1cyclictest743-21snmpd19:46:472
317219976,1cyclictest741-21lldpd22:54:272
317219975,2cyclictest743-21snmpd23:20:542
317219975,2cyclictest743-21snmpd22:00:132
317219975,2cyclictest743-21snmpd21:55:092
317219975,2cyclictest743-21snmpd19:40:562
317219975,2cyclictest743-21snmpd00:38:212
317149976,1cyclictest65850irq/126-lan21:15:171
317089977,0cyclictest743-21snmpd22:29:470
317089977,0cyclictest743-21snmpd22:12:490
317089977,0cyclictest743-21snmpd00:21:380
317089977,0cyclictest741-21lldpd20:12:540
317089976,1cyclictest743-21snmpd22:18:010
317089976,1cyclictest743-21snmpd22:00:520
317089976,1cyclictest743-21snmpd19:41:560
317089975,2cyclictest743-21snmpd22:32:530
317089975,2cyclictest743-21snmpd20:54:100
317089975,2cyclictest743-21snmpd20:37:460
317089975,2cyclictest743-21snmpd00:07:470
317089973,3cyclictest743-21snmpd00:31:350
317089973,3cyclictest2605-21sed20:35:000
317259966,0cyclictest743-21snmpd21:31:183
317259966,0cyclictest741-21lldpd22:26:323
317259966,0cyclictest741-21lldpd20:30:433
317259966,0cyclictest741-21lldpd20:27:133
317259966,0cyclictest522-21avahi-daemon22:08:573
317259966,0cyclictest522-21avahi-daemon00:13:573
317259965,1cyclictest743-21snmpd20:19:483
317259965,1cyclictest522-21avahi-daemon20:37:553
317259964,2cyclictest743-21snmpd22:13:553
317259964,2cyclictest743-21snmpd21:11:053
317259962,3cyclictest8905-21sed23:25:193
317259962,3cyclictest244-20systemd-journal20:50:433
317219966,0cyclictest743-21snmpd23:19:512
317219966,0cyclictest743-21snmpd20:05:112
317219966,0cyclictest743-21snmpd19:26:222
317219966,0cyclictest743-21snmpd00:15:232
317219966,0cyclictest741-21lldpd21:18:412
317219966,0cyclictest741-21lldpd00:07:072
317219965,1cyclictest743-21snmpd23:46:162
317219965,1cyclictest743-21snmpd22:28:402
317219965,1cyclictest743-21snmpd21:07:142
317219965,1cyclictest741-21lldpd00:23:462
317219964,2cyclictest743-21snmpd19:36:252
317219963,3cyclictest32669-21grep21:45:202
317219960,3cyclictest44851idleruntime-cro20:40:002
317089966,0cyclictest743-21snmpd22:38:380
317089966,0cyclictest741-21lldpd20:49:570
317089966,0cyclictest741-21lldpd20:08:380
317089966,0cyclictest741-21lldpd19:31:360
317089966,0cyclictest522-21avahi-daemon23:55:570
317089965,1cyclictest743-21snmpd21:00:140
317089965,1cyclictest741-21lldpd22:20:180
317089965,1cyclictest741-21lldpd19:58:460
317089965,1cyclictest522-21avahi-daemon23:30:240
317089965,1cyclictest522-21avahi-daemon22:47:440
317089965,1cyclictest17261-21gltestperf19:50:120
317089964,2cyclictest17246-21apt-get21:10:130
317089962,3cyclictest28546-21memory00:15:130
317259955,0cyclictest741-21lldpd22:47:473
317259954,1cyclictest741-21lldpd19:31:083
317259953,2cyclictest743-21snmpd21:06:323
317259953,2cyclictest511ktimers/322:15:113
317259953,2cyclictest11456-21sshd23:33:433
317259952,3cyclictest743-21snmpd21:01:293
317259952,3cyclictest24008-21ntpq21:25:153
317259952,3cyclictest24008-21ntpq21:25:153
317259952,2cyclictest743-21snmpd23:10:093
317259951,4cyclictest32319-21apt-get19:10:123
317259951,3cyclictest21095-21cat22:40:013
317259950,4cyclictest6739-21ntpq19:25:163
317219955,0cyclictest743-21snmpd23:39:352
317219955,0cyclictest741-21lldpd19:59:082
317219955,0cyclictest741-21lldpd19:20:512
317219955,0cyclictest741-21lldpd19:11:082
317219954,1cyclictest0-21swapper/222:10:202
317219953,2cyclictest743-21snmpd21:50:032
317219952,3cyclictest557-21NetworkManager20:40:062
317219951,3cyclictest28201-21memory22:55:162
317219951,3cyclictest18175-21perl23:50:142
317089955,0cyclictest743-21snmpd23:37:490
317089955,0cyclictest743-21snmpd00:11:350
317089955,0cyclictest741-21lldpd21:22:430
317089955,0cyclictest522-21avahi-daemon22:05:350
317089954,1cyclictest743-21snmpd21:40:450
317089954,1cyclictest743-21snmpd21:05:140
317089954,1cyclictest27797-21ntpq20:15:180
317089954,1cyclictest0-21swapper/023:25:160
317089953,2cyclictest743-21snmpd00:36:030
317089953,2cyclictest21916-21cups-browsed00:00:020
317089953,2cyclictest0-21swapper/023:46:000
317089953,2cyclictest0-21swapper/023:14:060
317089952,3cyclictest26244-21pmu-power21:30:180
317089950,4cyclictest3810-21ntpq21:55:150
317089950,4cyclictest20111-21ntpq21:15:180
317259944,0cyclictest522-21avahi-daemon22:44:263
317259942,2cyclictest873-21cut21:50:003
317259941,2cyclictest18919-21mailstats23:50:203
317259940,3cyclictest30224-21ntpq21:40:163
317259940,3cyclictest14649-21df19:45:133
317259940,3cyclictest13955-21ntp_states22:20:163
317219943,1cyclictest421ktimers/222:35:012
317219943,1cyclictest421ktimers/200:00:112
317219942,2cyclictest743-21snmpd20:25:092
317219941,2cyclictest32454-21idleruntime00:25:142
317219941,2cyclictest26130-21sh00:10:112
317219941,2cyclictest17217-21cpuspeed_turbos22:30:112
317219941,2cyclictest16921-21apt19:50:092
317219941,2cyclictest11257-21cat20:55:132
317219940,3cyclictest23368-21diskstats22:45:122
317219940,3cyclictest11081-21/usr/sbin/munin22:15:112
317089941,2cyclictest4774-21ntpq19:20:160
317089940,3cyclictest31215-21diskstats20:25:120
317219931,2cyclictest657-21cpu20:30:102
317219931,2cyclictest12832-21sh22:20:012
317089931,2cyclictest28750-21latency_hist20:20:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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