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2026-09-20 - 05:03

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 Sun Sep 20, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208429910531050,2cyclictest19703-21kworker/0:1+events23:15:220
208429910521050,2cyclictest14683-21kworker/0:0+events00:36:050
208479910511049,2cyclictest7509-21kworker/1:1+events00:27:101
208479910511049,2cyclictest14665-21kworker/1:2+events00:14:341
208429910511049,2cyclictest31063-21kworker/0:2+events22:19:170
208429910511049,2cyclictest19703-21kworker/0:1+events23:07:330
208429910511048,3cyclictest31063-21kworker/0:2+events22:10:220
208559910501047,3cyclictest25257-21turbostat19:24:553
208429910501048,2cyclictest9257-21kworker/0:0+events23:04:350
208479910491047,2cyclictest28773-21kworker/1:0+events22:45:431
208479910491047,2cyclictest14183-21kworker/1:2+events00:32:281
208429910491047,2cyclictest9257-21kworker/0:0+events22:23:280
208429910491045,3cyclictest25500-21kworker/0:0+events22:03:350
208479910481047,1cyclictest14665-21kworker/1:2+events00:06:291
208429910481047,1cyclictest28934-21kworker/0:2+events23:14:010
208429910481046,2cyclictest19301-21kworker/0:1+events22:06:070
208429910461044,2cyclictest16924-21kworker/0:2+events19:24:330
208429910441040,2cyclictest25500-21kworker/0:0+events21:55:220
208429910441040,2cyclictest25500-21kworker/0:0+events21:55:210
208479910431041,2cyclictest27282-21turbostat19:29:551
208559910421040,2cyclictest9225-21kworker/3:2+events20:22:573
208479910421040,2cyclictest28773-21kworker/1:0+events22:40:221
208559910401038,2cyclictest4654-21kworker/3:1+events19:50:223
208509910401037,3cyclictest1770-21turbostat23:19:552
208559910381036,2cyclictest9225-21kworker/3:2+events20:28:523
208559910381036,2cyclictest13347-21kworker/3:0+events20:10:203
208559910371035,2cyclictest9388-21kworker/3:0+events23:57:103
208559910371035,2cyclictest9225-21kworker/3:2+events20:18:503
208559910371035,2cyclictest4654-21kworker/3:1+events20:05:453
208559910371035,2cyclictest2604-21kworker/3:2+events19:43:193
208509910361035,1cyclictest18207-21kworker/2:2+events21:25:222
208559910341032,2cyclictest2604-21kworker/3:2+events19:46:183
208479910341032,2cyclictest18643-21kworker/1:0+events23:31:381
208479910321030,2cyclictest17198-21kworker/1:1+events22:33:311
208559910311029,2cyclictest31464-21kworker/3:1+events19:18:053
208559910281026,2cyclictest9225-21kworker/3:2+events20:03:403
208479910261023,3cyclictest11509-21turbostat20:09:551
208559910251023,2cyclictest29271-21kworker/3:0+events19:35:223
208559910241022,2cyclictest7138-21kworker/3:0+events19:56:523
208559910231020,2cyclictest24952-21kworker/3:2+events19:31:083
208509910211020,1cyclictest6985-21kworker/2:0+events21:42:332
208479910201018,2cyclictest6016-21kworker/1:2+events23:37:021
208509910191018,1cyclictest23564-21kworker/2:1+events21:48:192
208479910191018,1cyclictest23954-21kworker/1:1+events23:53:581
208559910131011,2cyclictest11728-21turbostat23:29:543
208509910101009,1cyclictest23564-21kworker/2:1+events21:37:222
208479910041002,2cyclictest6016-21kworker/1:2+events22:54:141
20847991001999,2cyclictest6016-21kworker/1:2+events22:59:121
20847991000997,3cyclictest20716-21turbostat19:14:551
2085099994993,1cyclictest18345-21kworker/2:1+events19:25:222
2084299993991,2cyclictest6748-21turbostat23:24:550
2085099991990,1cyclictest4098-21kworker/2:0+events21:07:122
2085099987986,1cyclictest11342-21kworker/2:1+events21:18:192
2085099984983,1cyclictest4098-21kworker/2:0+events21:20:232
2085099983982,1cyclictest32195-21kworker/2:1+events21:02:112
2084799983982,1cyclictest17198-21kworker/1:1+events22:27:011
2085099982981,1cyclictest27513-21kworker/2:2+events21:12:112
2085099982981,1cyclictest23564-21kworker/2:1+events21:33:082
2085099981979,2cyclictest23564-21kworker/2:1+events23:20:212
2085099980978,1cyclictest29608-21kworker/2:1+events00:16:502
2085099979979,0cyclictest27513-21kworker/2:2+events20:56:072
2085099979978,1cyclictest32195-21kworker/2:1+events20:54:042
2085099979978,1cyclictest27513-21kworker/2:2+events20:49:052
2085099978977,1cyclictest3812-21kworker/2:2+events00:22:232
2085599977975,2cyclictest26517-21turbostat20:44:553
2085099972971,1cyclictest23564-21kworker/2:1+events21:52:142
2084299963961,2cyclictest21625-21turbostat22:34:560
2084299961959,2cyclictest20438-21turbostat20:29:550
2084799960958,2cyclictest6016-21kworker/1:2+events23:43:401
2084799956955,1cyclictest6016-21kworker/1:2+events23:29:351
2085599950947,3cyclictest19320-21turbostat23:04:553
2084799950948,2cyclictest6016-21kworker/1:2+events23:45:211
2084799934932,1cyclictest17198-21kworker/1:1+events22:36:071
2084799933933,0cyclictest14665-21kworker/1:2+events00:01:061
2085599917914,3cyclictest11292-21turbostat22:24:563
2085599910906,3cyclictest4059-21turbostat22:49:553
2085099907905,2cyclictest31512-21turbostat23:49:542
2085599906903,3cyclictest13951-21turbostat22:59:553
2084299904899,3cyclictest4091-21turbostat23:54:550
2084799901900,1cyclictest763-21kworker/1:1+events20:34:481
2084799901900,1cyclictest22441-21kworker/1:0+events20:39:091
2084799890889,1cyclictest763-21kworker/1:1+events20:41:071
2085599870868,2cyclictest17084-21turbostat00:39:543
2085099866864,2cyclictest12125-21turbostat00:34:552
2085599865863,2cyclictest13934-21turbostat21:54:563
2085599863860,3cyclictest18896-21turbostat21:59:563
2085599863860,3cyclictest18896-21turbostat21:59:563
2084799854852,2cyclictest15540-21turbostat20:19:551
2084299693691,2cyclictest12125-21turbostat00:34:550
2084799688685,3cyclictest17084-21turbostat00:39:551
2084299681678,3cyclictest13951-21turbostat22:59:550
2085099680677,3cyclictest26517-21turbostat20:44:552
2084799653651,2cyclictest9454-21turbostat23:59:551
2084299641638,3cyclictest13934-21turbostat21:54:560
2084799635633,2cyclictest1820-21turbostat00:24:551
2085599634632,2cyclictest4091-21turbostat23:54:553
2085099593590,3cyclictest24344-21turbostat00:14:552
2084299592589,3cyclictest23212-21turbostat19:19:550
2084799591587,4cyclictest6748-21turbostat23:24:551
2084799559556,3cyclictest20438-21turbostat20:29:551
2085099550549,1cyclictest25257-21turbostat19:24:542
2085599536533,3cyclictest27282-21turbostat19:29:553
2084799532531,1cyclictest11292-21turbostat22:24:561
2085599416415,1cyclictest20716-21turbostat19:14:553
20847992019,1cyclictest67750irq/123-lan23:00:141
20847991919,0cyclictest67750irq/123-lan22:10:411
20847991919,0cyclictest67750irq/123-lan21:39:381
20847991918,1cyclictest67750irq/123-lan22:05:451
20847991918,1cyclictest67750irq/123-lan21:15:191
20847991918,1cyclictest67750irq/123-lan21:10:221
20847991918,1cyclictest67750irq/123-lan20:20:161
20847991818,0cyclictest67750irq/123-lan23:15:181
20847991818,0cyclictest67750irq/123-lan23:10:181
20847991817,1cyclictest67750irq/123-lan22:16:551
20847991817,1cyclictest67750irq/123-lan21:52:541
20847991717,0cyclictest67750irq/123-lan21:44:011
20847991717,0cyclictest67750irq/123-lan21:30:361
20847991717,0cyclictest67750irq/123-lan21:05:111
20847991717,0cyclictest67750irq/123-lan20:14:501
20847991717,0cyclictest67750irq/123-lan19:30:021
20847991716,1cyclictest67750irq/123-lan23:08:311
20847991716,1cyclictest67750irq/123-lan22:00:301
20847991716,1cyclictest67750irq/123-lan21:55:171
20847991716,1cyclictest67750irq/123-lan21:55:161
20847991716,1cyclictest67750irq/123-lan21:47:531
20847991716,1cyclictest67750irq/123-lan21:25:131
20847991716,1cyclictest67750irq/123-lan21:20:171
20847991716,1cyclictest67750irq/123-lan19:20:161
20847991716,1cyclictest67750irq/123-lan00:15:151
20847991616,0cyclictest67750irq/123-lan19:35:211
20847991615,1cyclictest67750irq/123-lan20:46:201
20847991615,1cyclictest67750irq/123-lan19:59:591
20847991514,1cyclictest67750irq/123-lan20:50:121
20847991514,1cyclictest67750irq/123-lan19:40:181
20847991514,1cyclictest67750irq/123-lan19:15:131
20847991413,1cyclictest67750irq/123-lan20:55:151
20847991312,1cyclictest67750irq/123-lan20:00:181
20847991212,0cyclictest67750irq/123-lan19:45:221
20847991211,1cyclictest67750irq/123-lan19:50:121
208559998,1cyclictest784-21snmpd00:26:243
208429998,1cyclictest782-21lldpd23:27:390
208559988,0cyclictest784-21snmpd20:52:413
208559988,0cyclictest782-21lldpd21:24:303
208559988,0cyclictest782-21lldpd21:12:233
208559988,0cyclictest782-21lldpd00:08:393
208559987,1cyclictest784-21snmpd22:08:553
208559987,1cyclictest784-21snmpd21:16:563
208559987,1cyclictest526-21avahi-daemon22:35:573
208559986,2cyclictest784-21snmpd23:13:343
208559986,2cyclictest784-21snmpd23:08:053
208559986,2cyclictest784-21snmpd22:40:413
208559986,2cyclictest784-21snmpd21:07:133
208559985,3cyclictest784-21snmpd00:18:363
208509988,0cyclictest784-21snmpd22:00:402
208509988,0cyclictest784-21snmpd20:36:282
208509988,0cyclictest784-21snmpd20:05:302
208509987,1cyclictest526-21avahi-daemon23:04:362
208509987,1cyclictest507-21systemd-resolve23:26:472
208509986,2cyclictest762-21ntpd23:51:282
208509986,2cyclictest762-21ntpd23:44:072
208509986,2cyclictest762-21ntpd23:37:172
208509986,2cyclictest762-21ntpd23:30:592
208509986,2cyclictest762-21ntpd23:08:332
208509986,2cyclictest762-21ntpd22:50:552
208509986,2cyclictest762-21ntpd22:46:412
208509986,2cyclictest762-21ntpd22:35:322
208509986,2cyclictest762-21ntpd22:23:542
208509986,2cyclictest762-21ntpd22:19:102
208509986,2cyclictest762-21ntpd22:12:272
208509986,2cyclictest762-21ntpd22:06:322
208509986,2cyclictest762-21ntpd21:57:002
208509986,2cyclictest762-21ntpd21:57:002
208509986,2cyclictest762-21ntpd00:28:262
208509986,2cyclictest762-21ntpd00:07:002
208429988,0cyclictest784-21snmpd19:49:050
208429988,0cyclictest784-21snmpd00:09:290
208429988,0cyclictest782-21lldpd23:35:250
208429988,0cyclictest782-21lldpd21:34:410
208429988,0cyclictest782-21lldpd19:12:170
208429988,0cyclictest782-21lldpd00:11:330
208429987,1cyclictest572-21in:imuxsock22:28:410
208429987,1cyclictest526-21avahi-daemon20:21:130
208429986,2cyclictest784-21snmpd23:31:180
208429986,2cyclictest784-21snmpd22:54:410
208429986,2cyclictest784-21snmpd20:13:110
208429986,2cyclictest784-21snmpd20:01:120
208429986,2cyclictest784-21snmpd19:39:500
208429986,2cyclictest784-21snmpd19:30:350
208559977,0cyclictest784-21snmpd23:41:233
208559977,0cyclictest784-21snmpd23:20:463
208559977,0cyclictest784-21snmpd22:51:303
208559977,0cyclictest784-21snmpd20:37:283
208559977,0cyclictest782-21lldpd22:11:433
208559977,0cyclictest782-21lldpd21:26:313
208559977,0cyclictest782-21lldpd20:47:023
208559976,1cyclictest784-21snmpd00:10:573
208559975,2cyclictest784-21snmpd22:01:043
208559974,2cyclictest245-20systemd-journal21:36:463
208559973,3cyclictest4101-21ssh00:21:023
208559973,3cyclictest22894-21ntp_states22:30:163
208509977,0cyclictest782-21lldpd22:55:262
208509977,0cyclictest782-21lldpd19:35:442
208509976,1cyclictest782-21lldpd20:02:422
208509976,1cyclictest762-21ntpd22:25:182
208509976,1cyclictest762-21ntpd00:03:302
208509976,1cyclictest526-21avahi-daemon23:12:162
208509975,2cyclictest784-21snmpd19:16:062
208509975,2cyclictest784-21snmpd00:35:302
208509975,2cyclictest762-21ntpd23:56:102
208509975,2cyclictest762-21ntpd22:43:552
208509975,2cyclictest762-21ntpd22:32:092
208509975,2cyclictest762-21ntpd20:20:162
208509975,2cyclictest762-21ntpd20:10:192
208509975,2cyclictest762-21ntpd19:30:222
208509974,3cyclictest7978-21fw_forwarded_lo19:55:152
208429977,0cyclictest784-21snmpd21:14:010
208429977,0cyclictest6784-21http00:25:000
208429976,1cyclictest784-21snmpd21:47:450
208429976,1cyclictest368-21pmu-power21:35:190
208429975,2cyclictest860-21cat20:55:150
208429975,2cyclictest784-21snmpd21:00:410
208429975,2cyclictest784-21snmpd20:41:460
208429973,3cyclictest32327-21ssh00:17:120
208559966,0cyclictest784-21snmpd22:28:113
208559966,0cyclictest784-21snmpd21:49:193
208559966,0cyclictest782-21lldpd23:17:173
208559965,1cyclictest507-21systemd-resolve21:42:393
208559964,2cyclictest547-21NetworkManager00:30:193
208559963,3cyclictest547-21NetworkManager20:59:223
208559963,2cyclictest574-21rs:main3
208559963,2cyclictest31493-21pluginstate21:35:013
208559962,3cyclictest10129-21ssh22:18:173
208559961,5cyclictest547-21NetworkManager00:01:153
208509966,0cyclictest782-21lldpd20:33:452
208509966,0cyclictest782-21lldpd19:50:272
208509965,1cyclictest782-21lldpd20:28:462
208509964,2cyclictest762-21ntpd20:15:122
208509962,3cyclictest3396-21diskstats19:45:162
208429966,0cyclictest784-21snmpd22:42:140
208429965,1cyclictest784-21snmpd19:55:050
208429965,1cyclictest4059-21turbostat22:49:550
208429965,1cyclictest302-21ntp_offset23:45:190
208429964,2cyclictest784-21snmpd22:39:410
208429964,2cyclictest784-21snmpd19:25:350
208429964,2cyclictest17706-21cut21:20:180
208429963,3cyclictest6326-21ssh21:41:010
208429963,3cyclictest547-21NetworkManager00:29:410
208429963,3cyclictest24906-21ssh21:27:320
208429962,3cyclictest18644-21ssh00:03:530
208429962,3cyclictest15158-21ssh21:17:530
208559955,0cyclictest526-21avahi-daemon21:04:303
208559952,2cyclictest23610-21open_files20:30:193
208559951,3cyclictest605-21sensors23:45:223
208509953,2cyclictest762-21ntpd19:40:202
208509952,3cyclictest784-21snmpd19:14:282
208479955,0cyclictest782-21lldpd21:01:231
208429955,0cyclictest782-21lldpd20:17:580
208429954,1cyclictest526-21avahi-daemon20:35:550
208429952,2cyclictest31608-21ntpq20:50:150
208429952,2cyclictest29109-21expr20:45:140
208429951,3cyclictest27109-21cut23:40:120
208429951,3cyclictest23769-21sensors20:30:200
208429951,3cyclictest10162-21sh23:55:150
208559941,2cyclictest22636-21ssh23:35:143
208429941,2cyclictest5815-21cpuspeed_turbos19:50:120
208429941,2cyclictest1348-21tr19:40:130
208429940,4cyclictest5255-21ntpq21:05:160
208429940,3cyclictest12071-21/usr/sbin/munin20:05:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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