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2026-07-20 - 11:13

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 Mon Jul 20, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20595991818,0cyclictest65850irq/126-lan23:55:170
20595991818,0cyclictest65850irq/126-lan21:50:150
20595991817,1cyclictest65850irq/126-lan23:40:530
20595991817,1cyclictest65850irq/126-lan22:50:110
20595991817,1cyclictest65850irq/126-lan21:20:220
20595991817,1cyclictest65850irq/126-lan20:10:160
20595991817,1cyclictest65850irq/126-lan19:15:150
20595991717,0cyclictest65850irq/126-lan20:56:290
20595991717,0cyclictest65850irq/126-lan00:29:140
20595991716,1cyclictest65850irq/126-lan22:45:180
20595991716,1cyclictest65850irq/126-lan21:25:140
20595991716,1cyclictest65850irq/126-lan21:10:230
20595991716,1cyclictest65850irq/126-lan00:18:490
20595991716,1cyclictest65850irq/126-lan00:10:130
20595991716,1cyclictest65850irq/126-lan00:00:230
20595991616,0cyclictest65850irq/126-lan23:35:130
20595991616,0cyclictest65850irq/126-lan23:25:160
20595991616,0cyclictest65850irq/126-lan21:15:180
20595991616,0cyclictest65850irq/126-lan19:38:520
20595991615,1cyclictest65850irq/126-lan23:45:150
20595991615,1cyclictest65850irq/126-lan22:35:110
20595991615,1cyclictest65850irq/126-lan20:30:160
20595991615,1cyclictest65850irq/126-lan19:30:230
20595991615,1cyclictest65850irq/126-lan19:25:150
20595991515,0cyclictest65850irq/126-lan22:25:130
20595991515,0cyclictest65850irq/126-lan22:05:140
20595991515,0cyclictest65850irq/126-lan20:20:120
20595991515,0cyclictest65850irq/126-lan20:00:290
20595991515,0cyclictest65850irq/126-lan19:40:190
20595991514,1cyclictest65850irq/126-lan23:50:130
20595991514,1cyclictest65850irq/126-lan23:12:310
20595991514,1cyclictest65850irq/126-lan22:00:100
20595991514,1cyclictest65850irq/126-lan21:35:150
20595991514,1cyclictest65850irq/126-lan21:30:170
20595991514,1cyclictest65850irq/126-lan20:40:160
20595991514,1cyclictest65850irq/126-lan20:25:110
20595991514,1cyclictest65850irq/126-lan20:06:530
20595991514,1cyclictest65850irq/126-lan20:06:520
20595991514,1cyclictest65850irq/126-lan19:55:210
20595991514,1cyclictest65850irq/126-lan19:20:130
20595991514,1cyclictest65850irq/126-lan00:35:180
20595991514,1cyclictest65850irq/126-lan00:30:110
20595991414,0cyclictest65850irq/126-lan23:09:390
20595991414,0cyclictest65850irq/126-lan22:42:290
20595991414,0cyclictest65850irq/126-lan21:56:400
20595991413,1cyclictest65850irq/126-lan21:45:120
20595991413,1cyclictest65850irq/126-lan21:05:220
20595991413,1cyclictest65850irq/126-lan20:15:120
20595991413,1cyclictest65850irq/126-lan19:10:130
20595991312,1cyclictest65850irq/126-lan22:55:130
20595991312,1cyclictest65850irq/126-lan19:50:160
20595991312,1cyclictest65850irq/126-lan00:05:200
20595991212,0cyclictest65850irq/126-lan00:20:130
20595991211,1cyclictest65850irq/126-lan23:30:120
20595991211,1cyclictest65850irq/126-lan23:24:280
20595991211,1cyclictest65850irq/126-lan21:00:160
20595991111,0cyclictest65850irq/126-lan19:45:110
20595991110,1cyclictest65850irq/126-lan22:30:210
20595991110,1cyclictest65850irq/126-lan22:15:190
20595991110,1cyclictest65850irq/126-lan21:40:140
2059599109,1cyclictest65850irq/126-lan23:15:110
2059599109,1cyclictest65850irq/126-lan20:45:150
2059599109,1cyclictest65850irq/126-lan20:35:180
20595991010,0cyclictest65850irq/126-lan22:11:420
206129998,1cyclictest743-21snmpd23:09:153
206129998,1cyclictest743-21snmpd22:27:003
206129998,1cyclictest743-21snmpd21:52:553
206129998,1cyclictest743-21snmpd21:38:063
206129998,1cyclictest743-21snmpd20:19:573
206129998,1cyclictest741-21lldpd19:59:123
206089998,1cyclictest743-21snmpd22:52:062
206089998,1cyclictest743-21snmpd20:41:162
206039998,1cyclictest743-21snmpd19:47:501
206039998,1cyclictest741-21lldpd21:49:041
205959998,1cyclictest65850irq/126-lan20:50:160
206129988,0cyclictest743-21snmpd21:40:153
206129988,0cyclictest743-21snmpd20:06:123
206129988,0cyclictest743-21snmpd20:06:123
206129988,0cyclictest741-21lldpd20:46:473
206129988,0cyclictest741-21lldpd20:14:043
206129988,0cyclictest741-21lldpd19:38:183
206129987,1cyclictest743-21snmpd22:36:113
206129987,1cyclictest741-21lldpd20:21:323
206129987,1cyclictest522-21avahi-daemon23:58:283
206129987,1cyclictest522-21avahi-daemon19:23:303
206129986,2cyclictest743-21snmpd23:36:283
206129986,2cyclictest743-21snmpd22:06:523
206129986,2cyclictest743-21snmpd21:27:243
206129986,2cyclictest743-21snmpd21:24:183
206129986,2cyclictest743-21snmpd20:26:313
206129986,2cyclictest743-21snmpd00:15:463
206129985,3cyclictest743-21snmpd23:14:243
206089988,0cyclictest743-21snmpd22:44:262
206089988,0cyclictest743-21snmpd21:33:242
206089988,0cyclictest743-21snmpd20:04:452
206089988,0cyclictest741-21lldpd23:41:492
206089988,0cyclictest741-21lldpd23:05:312
206089988,0cyclictest741-21lldpd22:28:032
206089988,0cyclictest741-21lldpd21:00:392
206089988,0cyclictest741-21lldpd20:16:182
206089988,0cyclictest741-21lldpd19:27:112
206089987,1cyclictest743-21snmpd21:20:392
206089987,1cyclictest743-21snmpd19:15:562
206089987,1cyclictest741-21lldpd23:35:472
206089987,1cyclictest741-21lldpd21:52:502
206089987,1cyclictest741-21lldpd00:20:202
206089987,1cyclictest24472-21needreboot23:15:162
206089986,2cyclictest743-21snmpd19:53:432
206089986,2cyclictest717-21ntpd20:51:572
206089986,2cyclictest717-21ntpd19:40:482
206089986,2cyclictest717-21ntpd00:25:042
206039988,0cyclictest743-21snmpd23:34:381
206039988,0cyclictest741-21lldpd22:52:101
206039987,1cyclictest743-21snmpd23:51:331
206039987,1cyclictest743-21snmpd23:23:041
206039987,1cyclictest743-21snmpd21:40:101
206039987,1cyclictest743-21snmpd20:59:291
206039987,1cyclictest743-21snmpd19:15:011
206039987,1cyclictest743-21snmpd19:13:431
206039986,2cyclictest743-21snmpd22:58:031
206039986,2cyclictest743-21snmpd22:11:401
206039986,2cyclictest743-21snmpd21:30:121
206039986,2cyclictest20212-21cat23:05:141
205959988,0cyclictest65850irq/126-lan23:01:500
205959988,0cyclictest65850irq/126-lan22:20:190
206129977,0cyclictest743-21snmpd21:00:023
206129977,0cyclictest741-21lldpd23:45:203
206129977,0cyclictest741-21lldpd20:50:503
206129977,0cyclictest741-21lldpd19:41:043
206129977,0cyclictest741-21lldpd19:34:163
206129976,1cyclictest743-21snmpd19:54:493
206129976,1cyclictest522-21avahi-daemon20:31:273
206129975,2cyclictest743-21snmpd22:24:323
206129975,2cyclictest743-21snmpd00:32:293
206129975,2cyclictest743-21snmpd00:04:523
206089977,0cyclictest743-21snmpd22:22:172
206089977,0cyclictest743-21snmpd21:27:542
206089977,0cyclictest741-21lldpd19:13:152
206089976,1cyclictest743-21snmpd23:45:112
206089976,1cyclictest743-21snmpd19:56:392
206089976,1cyclictest743-21snmpd00:37:202
206089976,1cyclictest743-21snmpd00:30:562
206089976,1cyclictest741-21lldpd22:14:032
206089976,1cyclictest522-21avahi-daemon20:25:012
206089976,1cyclictest10811-21gltestperf00:00:152
206089975,2cyclictest743-21snmpd20:38:292
206089975,2cyclictest743-21snmpd19:23:562
206089975,2cyclictest743-21snmpd00:09:002
206089975,2cyclictest717-21ntpd23:28:562
206089975,2cyclictest717-21ntpd22:46:262
206089975,2cyclictest717-21ntpd21:49:582
206039977,0cyclictest743-21snmpd22:45:361
206039977,0cyclictest743-21snmpd22:41:441
206039977,0cyclictest743-21snmpd22:23:231
206039977,0cyclictest743-21snmpd19:37:571
206039977,0cyclictest741-21lldpd20:50:251
206039977,0cyclictest741-21lldpd19:41:301
206039976,1cyclictest743-21snmpd23:43:551
206039976,1cyclictest743-21snmpd23:36:221
206039976,1cyclictest743-21snmpd21:25:071
206039976,1cyclictest717-21ntpd20:25:131
206039976,1cyclictest17180-21needreboot00:15:151
206039976,1cyclictest14582-21cpuspeed_turbos00:10:121
206039975,2cyclictest743-21snmpd23:27:011
206039975,2cyclictest743-21snmpd23:17:341
206039975,2cyclictest743-21snmpd21:11:351
206039975,2cyclictest743-21snmpd20:16:091
206039975,2cyclictest743-21snmpd20:03:301
206039975,2cyclictest743-21snmpd19:51:511
206039975,2cyclictest743-21snmpd19:31:441
206039975,2cyclictest743-21snmpd19:24:421
206039972,5cyclictest557-21NetworkManager19:27:041
206039972,4cyclictest10276-21cat00:00:001
206129966,0cyclictest741-21lldpd22:42:413
206129966,0cyclictest741-21lldpd21:15:233
206129966,0cyclictest741-21lldpd19:18:033
206129966,0cyclictest741-21lldpd19:10:193
206129966,0cyclictest522-21avahi-daemon21:34:063
206129966,0cyclictest24218-21grep20:35:163
206129965,1cyclictest743-21snmpd00:10:093
206129965,1cyclictest741-21lldpd22:47:023
206129965,1cyclictest741-21lldpd22:00:283
206129965,1cyclictest506-21systemd-resolve19:46:193
206129965,1cyclictest25930-21grep20:40:133
206129964,2cyclictest743-21snmpd23:51:213
206129964,2cyclictest743-21snmpd21:08:063
206129963,2cyclictest19830-21grep00:20:203
206089966,0cyclictest743-21snmpd22:30:142
206089966,0cyclictest743-21snmpd22:05:042
206089966,0cyclictest741-21lldpd23:13:312
206089966,0cyclictest741-21lldpd22:57:432
206089966,0cyclictest741-21lldpd21:39:172
206089966,0cyclictest741-21lldpd20:21:242
206089966,0cyclictest522-21avahi-daemon23:03:112
206089965,1cyclictest743-21snmpd19:36:482
206089965,1cyclictest717-21ntpd20:32:112
206089964,2cyclictest743-21snmpd21:15:472
206039966,0cyclictest743-21snmpd22:39:201
206039966,0cyclictest741-21lldpd21:50:081
206039966,0cyclictest522-21avahi-daemon21:56:061
206039966,0cyclictest522-21avahi-daemon00:31:551
206039965,1cyclictest743-21snmpd00:35:471
206039965,1cyclictest741-21lldpd21:03:591
206039965,1cyclictest741-21lldpd00:04:071
206039965,1cyclictest522-21avahi-daemon19:55:251
206039965,1cyclictest28215-21needreboot20:45:131
206039964,2cyclictest743-21snmpd23:10:211
206039964,2cyclictest743-21snmpd20:32:431
206039964,2cyclictest743-21snmpd00:28:161
206039964,2cyclictest26149-21cut22:00:141
206039964,2cyclictest244-20systemd-journal22:08:391
206129955,0cyclictest743-21snmpd23:31:413
206129955,0cyclictest743-21snmpd22:50:183
206129955,0cyclictest522-21avahi-daemon23:16:253
206129955,0cyclictest522-21avahi-daemon19:25:043
206129955,0cyclictest27602-21turbostat23:24:593
206129955,0cyclictest20955-21gltestperf00:25:123
206129955,0cyclictest17488-21turbostat22:59:593
206129954,1cyclictest743-21snmpd23:40:223
206129954,1cyclictest28708-21ntpq23:25:183
206129954,1cyclictest24290-21ntpq21:55:193
206129954,1cyclictest0-21swapper/321:45:133
206129953,2cyclictest743-21snmpd21:11:083
206129952,3cyclictest557-21NetworkManager20:59:083
206129952,3cyclictest557-21NetworkManager20:01:353
206129951,3cyclictest24793-21tune2fs00:35:113
206129950,4cyclictest32500-21memory22:15:163
206089955,0cyclictest743-21snmpd19:46:382
206089955,0cyclictest741-21lldpd21:09:112
206089955,0cyclictest0-21swapper/223:32:372
206089954,1cyclictest741-21lldpd19:32:182
206089954,1cyclictest6171-21fschecks_count23:50:122
206089954,1cyclictest311-21ntp_states22:15:182
206089953,2cyclictest12284-21sed20:05:262
206089953,2cyclictest12284-21sed20:05:262
206089952,3cyclictest557-21NetworkManager21:10:162
206089952,2cyclictest8135-21dpkg23:55:002
206089952,2cyclictest320-21sed20:55:212
206089952,2cyclictest26734-21open_files23:20:182
206089952,2cyclictest24226-21gcc21:55:192
206089952,2cyclictest14508-21apt00:10:122
206089951,3cyclictest19150-21cron21:45:002
206089951,3cyclictest14186-21sed20:10:212
206039955,0cyclictest741-21lldpd23:45:081
206039955,0cyclictest522-21avahi-daemon00:20:381
206039954,1cyclictest13213-21fschecks_count20:10:131
206039954,1cyclictest12578-21cpuspeed_turbos00:05:191
206039953,2cyclictest743-21snmpd22:15:371
206039953,2cyclictest743-21snmpd20:43:071
206039952,3cyclictest743-21snmpd22:30:471
206039952,3cyclictest743-21snmpd21:35:151
206039952,2cyclictest717-21ntpd23:00:031
206039952,2cyclictest24847-21sed20:35:231
206039952,2cyclictest18848-21sed20:20:211
206039952,2cyclictest11391-21cut20:05:191
206039952,2cyclictest11391-21cut20:05:191
206039951,3cyclictest9188-21cat21:19:591
206129942,2cyclictest18180-21sort23:00:163
206129941,2cyclictest717-21ntpd22:10:173
206129940,3cyclictest5950-21fw_forwarded_lo22:30:143
206129940,3cyclictest13218-21ntpq00:05:223
206089942,2cyclictest25912-21cat22:00:132
206089941,2cyclictest8277-21cat22:35:152
206089941,2cyclictest27737-21expr20:45:102
206089940,4cyclictest17289-21ntpq00:15:182
206039941,2cyclictest4540-21pmu-power22:25:171
206039941,2cyclictest4388-21timerandwakeup21:05:221
206039941,2cyclictest10230-21grep21:20:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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