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2026-07-19 - 18:16

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 Sun Jul 19, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3447991818,0cyclictest743-21snmpd11:40:200
3447991818,0cyclictest65850irq/126-lan10:20:140
3447991818,0cyclictest65850irq/126-lan09:47:430
3447991818,0cyclictest16582-21cat10:15:130
3447991817,1cyclictest65850irq/126-lan12:29:200
3447991817,1cyclictest65850irq/126-lan09:00:130
3447991817,1cyclictest65850irq/126-lan08:15:100
3451991717,0cyclictest743-21snmpd12:01:231
3451991717,0cyclictest743-21snmpd11:54:541
3451991717,0cyclictest743-21snmpd11:42:351
3451991717,0cyclictest743-21snmpd11:34:131
3451991717,0cyclictest743-21snmpd11:22:531
3451991717,0cyclictest743-21snmpd10:21:441
3451991717,0cyclictest743-21snmpd09:17:471
3451991717,0cyclictest743-21snmpd09:04:081
3451991717,0cyclictest743-21snmpd08:40:201
3451991717,0cyclictest29131-21cat10:45:151
3447991717,0cyclictest743-21snmpd11:05:490
3447991717,0cyclictest743-21snmpd10:44:410
3447991717,0cyclictest743-21snmpd10:03:590
3447991717,0cyclictest743-21snmpd09:09:020
3447991717,0cyclictest743-21snmpd07:48:140
3447991717,0cyclictest65850irq/126-lan12:00:160
3447991717,0cyclictest65850irq/126-lan10:10:110
3447991717,0cyclictest65850irq/126-lan09:21:500
3447991717,0cyclictest65850irq/126-lan08:20:110
3447991717,0cyclictest65850irq/126-lan08:05:580
3447991717,0cyclictest65850irq/126-lan07:20:140
3447991717,0cyclictest29022-21cat12:05:140
3447991717,0cyclictest28777-21cat09:25:150
3447991716,1cyclictest65850irq/126-lan11:45:140
3447991716,1cyclictest65850irq/126-lan09:55:140
3447991716,1cyclictest65850irq/126-lan08:45:150
3447991716,1cyclictest65850irq/126-lan08:40:150
3447991716,1cyclictest65850irq/126-lan08:10:130
3451991616,0cyclictest743-21snmpd09:41:491
3451991616,0cyclictest743-21snmpd09:30:391
3451991616,0cyclictest743-21snmpd08:17:091
3451991616,0cyclictest743-21snmpd07:51:061
3447991616,0cyclictest743-21snmpd11:36:080
3447991616,0cyclictest743-21snmpd11:34:160
3447991616,0cyclictest743-21snmpd11:21:020
3447991616,0cyclictest743-21snmpd11:00:070
3447991616,0cyclictest743-21snmpd10:49:400
3447991616,0cyclictest743-21snmpd10:36:150
3447991616,0cyclictest743-21snmpd08:35:280
3447991616,0cyclictest6741-21cat12:30:150
3447991616,0cyclictest65850irq/126-lan11:57:410
3447991616,0cyclictest65850irq/126-lan11:50:150
3447991616,0cyclictest65850irq/126-lan10:25:150
3447991616,0cyclictest65850irq/126-lan09:38:070
3447991616,0cyclictest65850irq/126-lan08:29:480
3447991616,0cyclictest65850irq/126-lan08:00:120
3447991616,0cyclictest65850irq/126-lan07:53:290
3447991616,0cyclictest65850irq/126-lan07:10:150
3447991615,1cyclictest65850irq/126-lan10:30:230
3447991515,0cyclictest65850irq/126-lan10:55:160
3447991515,0cyclictest65850irq/126-lan09:34:500
3447991515,0cyclictest65850irq/126-lan09:15:120
3447991515,0cyclictest65850irq/126-lan07:35:210
3447991514,1cyclictest65850irq/126-lan12:10:120
3447991514,1cyclictest65850irq/126-lan09:40:510
3447991514,1cyclictest65850irq/126-lan08:30:140
3447991514,1cyclictest65850irq/126-lan07:55:000
3447991414,0cyclictest65850irq/126-lan12:15:150
3447991414,0cyclictest65850irq/126-lan07:15:160
3447991413,1cyclictest65850irq/126-lan07:30:210
3458991313,0cyclictest743-21snmpd09:13:483
3447991313,0cyclictest743-21snmpd07:28:520
3447991313,0cyclictest65850irq/126-lan12:20:210
3447991313,0cyclictest65850irq/126-lan11:16:330
3447991313,0cyclictest65850irq/126-lan09:50:120
3447991313,0cyclictest65850irq/126-lan09:11:580
3447991312,1cyclictest65850irq/126-lan11:10:110
3447991312,1cyclictest65850irq/126-lan10:07:250
3447991312,1cyclictest65850irq/126-lan08:55:190
3451991212,0cyclictest743-21snmpd10:09:521
3451991212,0cyclictest743-21snmpd09:07:441
3447991212,0cyclictest65850irq/126-lan11:25:140
3447991212,0cyclictest65850irq/126-lan08:50:180
3458991111,0cyclictest743-21snmpd12:31:543
3458991111,0cyclictest743-21snmpd12:12:423
3447991111,0cyclictest65850irq/126-lan12:35:190
345899109,1cyclictest743-21snmpd07:44:323
3458991010,0cyclictest8830-21cat11:15:143
3458991010,0cyclictest743-21snmpd10:16:443
3458991010,0cyclictest743-21snmpd10:05:373
3458991010,0cyclictest743-21snmpd09:37:063
3458991010,0cyclictest743-21snmpd08:51:443
3458991010,0cyclictest743-21snmpd07:32:083
3447991010,0cyclictest65850irq/126-lan07:40:170
34589999,0cyclictest743-21snmpd11:06:253
34589999,0cyclictest743-21snmpd11:00:043
34589999,0cyclictest743-21snmpd10:31:273
34589999,0cyclictest743-21snmpd09:48:273
34589999,0cyclictest743-21snmpd08:49:583
34589999,0cyclictest743-21snmpd08:26:553
34589999,0cyclictest743-21snmpd07:46:203
34589999,0cyclictest743-21snmpd07:36:453
34589999,0cyclictest30772-21cat09:30:143
34589999,0cyclictest20957-21cat11:45:153
34589999,0cyclictest16645-21cat08:55:163
34559998,1cyclictest743-21snmpd12:10:422
34559998,1cyclictest743-21snmpd08:39:562
34519998,1cyclictest741-21lldpd12:23:171
34589988,0cyclictest743-21snmpd11:55:023
34589988,0cyclictest743-21snmpd11:13:093
34589988,0cyclictest743-21snmpd08:32:493
34589988,0cyclictest743-21snmpd08:03:123
34589987,1cyclictest522-21avahi-daemon10:20:233
34559988,0cyclictest743-21snmpd12:09:272
34559988,0cyclictest743-21snmpd12:00:232
34559988,0cyclictest743-21snmpd08:30:252
34559988,0cyclictest741-21lldpd10:56:572
34559987,1cyclictest743-21snmpd11:45:532
34559987,1cyclictest743-21snmpd10:23:442
34559987,1cyclictest743-21snmpd08:42:262
34559987,1cyclictest743-21snmpd08:16:422
34559986,2cyclictest743-21snmpd11:08:252
34559986,2cyclictest743-21snmpd10:02:232
34559984,3cyclictest244-20systemd-journal12:35:182
34519988,0cyclictest743-21snmpd08:58:331
34519988,0cyclictest741-21lldpd11:37:581
34519988,0cyclictest741-21lldpd10:59:571
34519987,1cyclictest743-21snmpd12:08:271
34519987,1cyclictest743-21snmpd09:20:391
34519987,1cyclictest741-21lldpd10:17:191
34519987,1cyclictest741-21lldpd08:21:451
34519986,2cyclictest743-21snmpd10:30:391
34519986,2cyclictest743-21snmpd09:57:501
34519986,2cyclictest743-21snmpd09:39:031
34519986,2cyclictest717-21ntpd12:35:111
34589977,0cyclictest743-21snmpd11:30:053
34589977,0cyclictest741-21lldpd08:44:533
34589976,1cyclictest522-21avahi-daemon08:18:573
34589975,2cyclictest743-21snmpd08:07:493
34589975,2cyclictest743-21snmpd07:14:103
34589973,3cyclictest26566-21grep10:40:133
34559977,0cyclictest743-21snmpd12:16:452
34559977,0cyclictest743-21snmpd10:27:302
34559977,0cyclictest743-21snmpd09:21:152
34559977,0cyclictest743-21snmpd07:34:282
34559977,0cyclictest741-21lldpd12:27:412
34559977,0cyclictest741-21lldpd11:11:352
34559977,0cyclictest741-21lldpd08:52:342
34559977,0cyclictest741-21lldpd07:44:282
34559977,0cyclictest741-21lldpd07:20:332
34559976,1cyclictest743-21snmpd09:06:082
34559976,1cyclictest741-21lldpd11:30:042
34559976,1cyclictest22613-21cpuspeed_turbos11:50:132
34559975,2cyclictest743-21snmpd11:15:402
34559975,2cyclictest743-21snmpd10:34:452
34559975,2cyclictest743-21snmpd09:16:412
34559975,2cyclictest743-21snmpd07:50:032
34559970,7cyclictest4049-21gltestperf08:25:152
34519977,0cyclictest743-21snmpd11:16:401
34519977,0cyclictest743-21snmpd10:50:431
34519977,0cyclictest743-21snmpd09:26:041
34519977,0cyclictest743-21snmpd07:42:051
34519977,0cyclictest741-21lldpd07:10:231
34519977,0cyclictest575-21rs:main1
34519977,0cyclictest506-21systemd-resolve10:43:521
34519975,2cyclictest743-21snmpd12:10:151
34519975,2cyclictest743-21snmpd08:31:431
34479977,0cyclictest65850irq/126-lan10:50:180
34589966,0cyclictest741-21lldpd07:56:363
34589966,0cyclictest522-21avahi-daemon07:17:563
34589965,1cyclictest743-21snmpd09:54:403
34589965,1cyclictest743-21snmpd07:54:033
34589965,1cyclictest16558-21cpuspeed_turbos11:35:113
34589964,2cyclictest743-21snmpd10:36:473
34589963,3cyclictest21480-21grep10:25:223
34589962,3cyclictest5068-21ld12:25:183
34589962,3cyclictest30353-21awk12:10:003
34589962,3cyclictest1845-21entropy08:20:133
34559966,0cyclictest743-21snmpd09:55:202
34559966,0cyclictest743-21snmpd09:41:192
34559966,0cyclictest743-21snmpd07:17:142
34559966,0cyclictest741-21lldpd11:25:392
34559966,0cyclictest741-21lldpd09:35:302
34559966,0cyclictest741-21lldpd09:00:372
34559966,0cyclictest741-21lldpd08:23:432
34559966,0cyclictest741-21lldpd08:10:282
34559966,0cyclictest522-21avahi-daemon09:48:042
34559965,1cyclictest743-21snmpd11:55:422
34559965,1cyclictest743-21snmpd10:52:342
34559965,1cyclictest573-21in:imuxsock10:44:142
34559965,1cyclictest522-21avahi-daemon11:42:422
34559965,1cyclictest24159-21needreboot07:55:162
34559965,1cyclictest15194-21needreboot07:35:162
34559964,2cyclictest743-21snmpd11:03:432
34559964,2cyclictest30770-21cat09:30:142
34559963,2cyclictest557-21NetworkManager07:10:002
34519966,0cyclictest743-21snmpd11:46:531
34519966,0cyclictest743-21snmpd09:51:221
34519966,0cyclictest743-21snmpd08:52:531
34519966,0cyclictest743-21snmpd07:56:411
34519966,0cyclictest743-21snmpd07:29:131
34519966,0cyclictest741-21lldpd10:01:171
34519966,0cyclictest741-21lldpd07:45:081
34519966,0cyclictest741-21lldpd07:37:351
34519965,1cyclictest573-21in:imuxsock11:10:381
34519965,1cyclictest506-21systemd-resolve12:15:111
34519965,0cyclictest191rcu_preempt07:15:331
34519964,2cyclictest743-21snmpd08:37:261
34519962,3cyclictest8737-21sed07:20:171
34519960,3cyclictest23302-21chrt09:10:191
34589955,0cyclictest741-21lldpd11:52:233
34589955,0cyclictest741-21lldpd10:55:133
34589955,0cyclictest506-21systemd-resolve10:54:023
34589954,1cyclictest743-21snmpd09:40:073
34589954,1cyclictest0-21swapper/309:05:133
34589953,2cyclictest717-21ntpd11:44:143
34589953,2cyclictest717-21ntpd10:11:373
34589953,2cyclictest717-21ntpd09:26:053
34589953,2cyclictest557-21NetworkManager11:21:353
34589952,3cyclictest29782-21cut08:10:123
34589952,2cyclictest29797-21sed10:45:223
34589952,2cyclictest27043-21ntpq09:20:173
34589952,2cyclictest244-20systemd-journal09:56:443
34589952,2cyclictest18513-21fschecks_time09:00:133
34589952,2cyclictest12645-21cut11:25:133
34589950,4cyclictest8468-21diskstats12:35:123
34559955,0cyclictest743-21snmpd08:04:062
34559955,0cyclictest743-21snmpd07:48:382
34559955,0cyclictest741-21lldpd11:22:402
34559955,0cyclictest741-21lldpd09:50:342
34559955,0cyclictest522-21avahi-daemon07:25:392
34559953,2cyclictest3052-21ntpq12:20:172
34559952,3cyclictest29056-21ntpq09:25:172
34559952,3cyclictest12476-21perl08:45:132
34559952,2cyclictest244-20systemd-journal10:07:272
34559951,3cyclictest7648-21users12:30:212
34519954,1cyclictest29956-21gltestperf08:10:131
34519953,2cyclictest717-21ntpd08:05:191
34519953,2cyclictest24976-21cat11:55:141
34519952,3cyclictest557-21NetworkManager08:25:031
34519952,2cyclictest4649-21sed12:25:151
34519952,2cyclictest13382-21grep07:30:231
34519951,3cyclictest24387-21df10:35:121
34519950,4cyclictest26329-21ntpq08:00:161
34519950,4cyclictest13236-21ntpq11:25:171
34589943,1cyclictest0-21swapper/312:20:203
34589942,2cyclictest7995-21apt-config07:19:593
34589942,2cyclictest10278-21expr10:00:133
34589941,2cyclictest26851-21fschecks_time12:00:133
34589941,2cyclictest25136-21sh09:15:183
34589941,2cyclictest1083-21ldconfig12:15:183
34589940,4cyclictest8486-21ntpq08:35:163
34589940,3cyclictest10286-21diskstats07:25:123
34559944,0cyclictest741-21lldpd10:10:032
34559943,1cyclictest16491-21gltestperf10:15:122
34559943,1cyclictest0-21swapper/210:35:132
34559941,2cyclictest28481-21pluginstate08:05:202
34559941,2cyclictest22595-21expr09:10:142
34559940,3cyclictest29402-21ntp_192.168.11410:45:172
34559940,3cyclictest16653-21diskstats11:35:112
34559940,3cyclictest16512-21fw_forwarded_lo08:55:152
34519941,2cyclictest6252-21seq12:30:021
34519941,2cyclictest5693-21sed11:05:211
34519940,4cyclictest2361-21apt-get11:00:101
34519940,4cyclictest14883-21ntpq10:10:161
34519940,3cyclictest4313-21fw_forwarded_lo09:45:161
34519940,1cyclictest0-21swapper/108:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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