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2026-04-30 - 13:47

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 Apr 30, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20925991918,1cyclictest65850irq/126-lan21:30:211
20925991818,0cyclictest65850irq/126-lan23:53:111
20925991817,1cyclictest65850irq/126-lan21:20:001
20925991717,0cyclictest65850irq/126-lan23:30:161
20925991717,0cyclictest65850irq/126-lan20:20:161
20925991717,0cyclictest65850irq/126-lan19:30:111
20925991716,1cyclictest65850irq/126-lan23:00:141
20925991716,1cyclictest65850irq/126-lan21:15:181
20925991716,1cyclictest65850irq/126-lan19:25:001
20925991616,0cyclictest65850irq/126-lan20:30:141
20925991615,1cyclictest65850irq/126-lan23:47:121
20925991615,1cyclictest65850irq/126-lan22:40:121
20925991615,1cyclictest65850irq/126-lan21:00:171
20925991615,1cyclictest65850irq/126-lan19:55:191
20925991615,1cyclictest65850irq/126-lan19:44:591
20925991615,1cyclictest65850irq/126-lan00:30:151
20925991615,1cyclictest65850irq/126-lan00:00:131
20925991614,1cyclictest65850irq/126-lan21:50:121
20925991614,1cyclictest65850irq/126-lan19:25:131
20925991515,0cyclictest65850irq/126-lan23:10:141
20925991515,0cyclictest65850irq/126-lan21:25:221
20925991515,0cyclictest65850irq/126-lan21:10:221
20925991515,0cyclictest65850irq/126-lan00:19:141
20925991414,0cyclictest65850irq/126-lan19:45:121
20925991414,0cyclictest65850irq/126-lan19:10:151
20925991414,0cyclictest65850irq/126-lan00:20:161
20925991413,1cyclictest65850irq/126-lan21:05:141
20925991413,1cyclictest65850irq/126-lan20:43:061
20925991412,1cyclictest65850irq/126-lan23:40:121
20925991313,0cyclictest65850irq/126-lan22:20:141
20925991313,0cyclictest65850irq/126-lan21:42:051
20925991313,0cyclictest65850irq/126-lan21:35:121
20925991313,0cyclictest65850irq/126-lan20:10:191
20925991312,1cyclictest65850irq/126-lan22:00:151
20925991212,0cyclictest65850irq/126-lan21:48:051
20925991211,1cyclictest65850irq/126-lan20:55:141
20925991110,1cyclictest65850irq/126-lan20:00:121
2092599109,1cyclictest65850irq/126-lan22:20:001
2092599109,1cyclictest65850irq/126-lan20:25:171
20925991010,0cyclictest65850irq/126-lan20:50:111
20925991010,0cyclictest65850irq/126-lan20:35:121
2091899109,1cyclictest0-21swapper/022:59:590
209359998,1cyclictest743-21snmpd20:45:293
209359998,1cyclictest741-21lldpd23:13:013
209309998,1cyclictest741-21lldpd00:20:122
209259999,0cyclictest65850irq/126-lan23:20:001
209259999,0cyclictest65850irq/126-lan22:38:051
209259999,0cyclictest65850irq/126-lan22:10:231
209259999,0cyclictest65850irq/126-lan20:15:021
209259998,1cyclictest743-21snmpd22:06:221
209259998,1cyclictest65850irq/126-lan22:50:141
209259998,1cyclictest65850irq/126-lan22:30:151
209259998,1cyclictest65850irq/126-lan19:35:141
209259998,1cyclictest65850irq/126-lan00:10:161
209189998,1cyclictest743-21snmpd23:50:450
209189998,1cyclictest743-21snmpd19:49:450
209189998,1cyclictest743-21snmpd00:38:160
209189998,1cyclictest741-21lldpd23:43:220
209189998,1cyclictest741-21lldpd23:05:470
209189998,1cyclictest741-21lldpd00:25:000
209359988,0cyclictest743-21snmpd20:52:303
209359988,0cyclictest743-21snmpd20:42:123
209359988,0cyclictest743-21snmpd20:08:233
209359988,0cyclictest743-21snmpd19:55:333
209359988,0cyclictest741-21lldpd23:33:083
209359988,0cyclictest741-21lldpd22:53:083
209359987,1cyclictest743-21snmpd22:56:513
209359987,1cyclictest743-21snmpd21:14:043
209359987,1cyclictest743-21snmpd19:29:243
209359987,1cyclictest4841-21cut22:40:173
209359986,2cyclictest743-21snmpd23:57:533
209359986,2cyclictest743-21snmpd22:03:233
209359986,2cyclictest743-21snmpd19:34:553
209359986,2cyclictest743-21snmpd19:22:253
209359986,2cyclictest743-21snmpd00:30:003
209359986,2cyclictest743-21snmpd00:23:043
209359986,2cyclictest24869-21cron19:20:003
209309988,0cyclictest743-21snmpd23:16:562
209309988,0cyclictest743-21snmpd21:02:592
209309988,0cyclictest743-21snmpd20:10:372
209309988,0cyclictest743-21snmpd19:12:022
209309987,1cyclictest743-21snmpd21:08:422
209309987,1cyclictest741-21lldpd22:00:082
209309987,1cyclictest522-21avahi-daemon19:30:242
209309986,2cyclictest743-21snmpd23:52:362
209309986,2cyclictest743-21snmpd23:36:172
209309986,2cyclictest743-21snmpd21:34:452
209309986,2cyclictest743-21snmpd20:47:322
209309986,2cyclictest743-21snmpd20:17:252
209309986,2cyclictest743-21snmpd19:58:492
209309986,2cyclictest743-21snmpd00:11:042
209259988,0cyclictest741-21lldpd20:07:101
209259988,0cyclictest65850irq/126-lan22:29:041
209259988,0cyclictest65850irq/126-lan19:15:141
209259988,0cyclictest65850irq/126-lan00:05:151
209259987,1cyclictest65850irq/126-lan20:45:171
209189988,0cyclictest743-21snmpd23:14:130
209189988,0cyclictest743-21snmpd22:20:000
209189988,0cyclictest743-21snmpd21:03:360
209189988,0cyclictest743-21snmpd20:26:110
209189988,0cyclictest743-21snmpd00:13:580
209189988,0cyclictest741-21lldpd22:30:070
209189987,1cyclictest743-21snmpd23:46:230
209189987,1cyclictest743-21snmpd23:30:340
209189987,1cyclictest743-21snmpd22:12:350
209189987,1cyclictest743-21snmpd20:35:260
209189987,1cyclictest741-21lldpd19:10:560
209189987,1cyclictest1994-21ntp_kernel_err19:40:160
209189986,2cyclictest743-21snmpd22:45:430
209189985,2cyclictest743-21snmpd23:16:040
209359977,0cyclictest743-21snmpd23:41:383
209359977,0cyclictest743-21snmpd21:19:483
209359977,0cyclictest741-21lldpd20:23:303
209359977,0cyclictest741-21lldpd19:46:273
209359977,0cyclictest741-21lldpd19:12:043
209359977,0cyclictest741-21lldpd00:27:283
209359976,1cyclictest743-21snmpd21:41:023
209359976,1cyclictest743-21snmpd21:21:333
209359976,1cyclictest743-21snmpd00:16:403
209359976,1cyclictest743-21snmpd00:07:313
209359976,1cyclictest20913-21cyclictest22:10:153
209359975,2cyclictest743-21snmpd20:35:183
209359975,2cyclictest743-21snmpd20:33:563
209359975,2cyclictest743-21snmpd20:16:463
209359975,2cyclictest743-21snmpd00:35:403
209359975,2cyclictest29607-21cat00:10:133
209309977,0cyclictest743-21snmpd22:38:382
209309977,0cyclictest743-21snmpd22:16:152
209309977,0cyclictest743-21snmpd22:09:222
209309977,0cyclictest743-21snmpd21:50:342
209309977,0cyclictest743-21snmpd21:26:432
209309977,0cyclictest741-21lldpd19:23:532
209309976,1cyclictest743-21snmpd21:14:192
209309976,1cyclictest743-21snmpd00:34:542
209309976,1cyclictest741-21lldpd23:26:372
209309976,1cyclictest522-21avahi-daemon22:56:072
209309975,2cyclictest743-21snmpd22:53:402
209309975,2cyclictest743-21snmpd22:48:402
209309975,2cyclictest743-21snmpd22:25:352
209309975,2cyclictest743-21snmpd00:26:372
209309975,2cyclictest18715-21cat20:20:152
209259977,0cyclictest65850irq/126-lan22:47:421
209259976,1cyclictest65850irq/126-lan23:20:131
209259975,2cyclictest743-21snmpd23:35:171
209189977,0cyclictest743-21snmpd22:50:040
209189977,0cyclictest743-21snmpd22:37:300
209189977,0cyclictest743-21snmpd20:31:590
209189977,0cyclictest743-21snmpd20:20:220
209189977,0cyclictest741-21lldpd23:57:000
209189977,0cyclictest741-21lldpd23:02:180
209189977,0cyclictest741-21lldpd21:26:170
209189977,0cyclictest741-21lldpd21:06:120
209189977,0cyclictest741-21lldpd19:26:250
209189977,0cyclictest741-21lldpd00:32:070
209189977,0cyclictest741-21lldpd00:03:090
209189976,1cyclictest743-21snmpd23:39:510
209189976,1cyclictest743-21snmpd19:38:370
209189976,1cyclictest522-21avahi-daemon21:45:250
209189975,2cyclictest743-21snmpd21:44:460
209189975,2cyclictest743-21snmpd21:30:400
209189975,2cyclictest743-21snmpd21:13:070
209189975,2cyclictest743-21snmpd20:55:540
209189975,2cyclictest743-21snmpd19:21:550
209189975,2cyclictest743-21snmpd19:16:200
209359966,0cyclictest743-21snmpd23:19:593
209359966,0cyclictest743-21snmpd22:49:133
209359965,1cyclictest743-21snmpd23:29:163
209359965,1cyclictest15235-21fschecks_time21:30:123
209359964,2cyclictest743-21snmpd22:30:243
209359963,3cyclictest2171-21df21:00:113
209309966,0cyclictest743-21snmpd21:39:152
209309966,0cyclictest743-21snmpd20:32:412
209309966,0cyclictest743-21snmpd00:16:272
209309966,0cyclictest741-21lldpd23:47:472
209309966,0cyclictest741-21lldpd23:20:242
209309966,0cyclictest741-21lldpd20:37:032
209309965,1cyclictest8124-21cpuspeed_turbos21:15:102
209309965,1cyclictest743-21snmpd23:03:342
209309965,1cyclictest743-21snmpd19:36:462
209309965,1cyclictest522-21avahi-daemon19:47:542
209309965,1cyclictest28978-21needreboot22:10:152
209309964,2cyclictest743-21snmpd22:30:362
209309964,2cyclictest743-21snmpd20:07:442
209309964,2cyclictest743-21snmpd00:01:532
209259966,0cyclictest743-21snmpd00:39:501
209259966,0cyclictest741-21lldpd19:51:221
209259965,1cyclictest741-21lldpd00:26:281
209189966,0cyclictest743-21snmpd22:40:080
209189966,0cyclictest743-21snmpd22:20:540
209189965,1cyclictest743-21snmpd22:07:220
209189965,1cyclictest743-21snmpd21:50:550
209189965,1cyclictest743-21snmpd20:50:110
209189965,1cyclictest29490-21gltestperf19:30:140
209189964,2cyclictest743-21snmpd20:09:580
209189963,3cyclictest743-21snmpd19:51:220
209189963,3cyclictest26015-21grep22:00:160
209189963,2cyclictest557-21NetworkManager22:25:350
209359955,0cyclictest522-21avahi-daemon23:01:163
209359954,1cyclictest743-21snmpd22:17:363
209359954,1cyclictest5980-21fschecks_time19:50:123
209359954,1cyclictest522-21avahi-daemon22:22:273
209359953,2cyclictest743-21snmpd19:43:213
209359953,2cyclictest32054-21cat19:35:153
209359952,3cyclictest557-21NetworkManager23:23:113
209359952,3cyclictest557-21NetworkManager21:37:133
209359952,2cyclictest575-21rs:main3
209359952,2cyclictest244-20systemd-journal21:28:003
209359952,2cyclictest20258-21sort20:25:113
209309955,0cyclictest743-21snmpd23:13:492
209309955,0cyclictest743-21snmpd22:44:512
209309955,0cyclictest743-21snmpd19:52:342
209309955,0cyclictest741-21lldpd19:26:592
209309955,0cyclictest522-21avahi-daemon20:01:582
209309955,0cyclictest522-21avahi-daemon19:42:322
209309953,2cyclictest743-21snmpd20:25:472
209309953,2cyclictest743-21snmpd00:05:452
209309952,2cyclictest338-21systemd-run22:24:592
209309952,2cyclictest32763-21hddtemp_smartct20:55:142
209309951,3cyclictest11030-21sed21:20:132
209259955,0cyclictest65850irq/126-lan22:55:281
209259954,1cyclictest741-21lldpd23:05:231
209259954,1cyclictest65850irq/126-lan23:27:551
209189955,0cyclictest743-21snmpd20:02:100
209189955,0cyclictest743-21snmpd19:55:040
209189955,0cyclictest743-21snmpd00:26:100
209189955,0cyclictest741-21lldpd20:15:290
209189954,1cyclictest18264-21turbostat.cron23:30:000
209189953,2cyclictest743-21snmpd21:20:120
209189953,0cyclictest0-21swapper/020:10:000
209189952,2cyclictest244-20systemd-journal00:05:030
209189952,2cyclictest16322-21grep23:20:170
209359944,0cyclictest743-21snmpd21:55:443
209359942,2cyclictest26835-21grep00:00:123
209359942,2cyclictest14568-21expr20:10:143
209359941,3cyclictest717-21ntpd21:50:113
209359941,3cyclictest5787-21kworker/3:1-mm_percpu_wq22:28:443
209359941,2cyclictest32584-21cut20:55:143
209359941,2cyclictest28008-21sshd22:09:053
209359941,2cyclictest24687-21sh23:50:173
209359941,2cyclictest23327-21sshd23:47:013
209359941,2cyclictest21325-21fw_conntrack21:45:133
209359941,2cyclictest10580-21smartctl20:00:133
209359940,3cyclictest4323-21perl21:05:143
209309944,0cyclictest741-21lldpd21:58:342
209309943,1cyclictest741-21lldpd23:56:002
209309943,1cyclictest421ktimers/220:40:172
209309942,2cyclictest557-21NetworkManager20:50:212
209309941,2cyclictest23706-21sed19:15:152
209309941,2cyclictest21846-21collect221:45:182
209309941,2cyclictest19281-21grep21:40:132
209309941,2cyclictest11878-21cat23:05:012
209309940,4cyclictest22037-21ntpq23:40:172
209309940,4cyclictest19305-21ntpq23:30:182
209259944,0cyclictest65850irq/126-lan23:55:191
209259944,0cyclictest65850irq/126-lan21:57:521
209189942,2cyclictest743-21snmpd21:57:220
209189942,2cyclictest743-21snmpd00:19:000
209189941,2cyclictest8567-21sed21:15:130
209189941,2cyclictest28332-21acpi20:45:110
209189941,2cyclictest27697-21awk20:40:230
209189941,2cyclictest17623-21needreboot21:35:150
209359930,3cyclictest244-20systemd-journal23:35:473
209359930,3cyclictest12103-21sshd23:05:063
209309933,0cyclictest27745-21kworker/2:1-mm_percpu_wq00:35:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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