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2026-03-18 - 22:46

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 Wed Mar 18, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12312991818,0cyclictest743-21snmpd10:25:172
12312991817,1cyclictest743-21snmpd11:21:032
12310991817,1cyclictest65850irq/126-lan08:55:151
12310991817,1cyclictest65850irq/126-lan08:45:171
12312991717,0cyclictest743-21snmpd09:47:362
12312991717,0cyclictest17658-21cat11:15:132
12310991717,0cyclictest65850irq/126-lan10:35:141
12310991717,0cyclictest65850irq/126-lan09:17:421
12310991716,1cyclictest65850irq/126-lan12:20:181
12310991716,1cyclictest65850irq/126-lan12:15:141
12310991716,1cyclictest65850irq/126-lan11:25:151
12310991716,1cyclictest65850irq/126-lan10:30:121
12310991716,1cyclictest65850irq/126-lan10:15:201
12310991716,1cyclictest65850irq/126-lan08:10:171
12312991616,0cyclictest743-21snmpd12:31:092
12312991616,0cyclictest743-21snmpd11:55:472
12312991616,0cyclictest743-21snmpd11:54:522
12312991616,0cyclictest743-21snmpd11:45:562
12312991616,0cyclictest743-21snmpd11:35:002
12312991616,0cyclictest743-21snmpd10:14:082
12312991616,0cyclictest743-21snmpd09:53:192
12312991616,0cyclictest743-21snmpd09:08:502
12312991616,0cyclictest743-21snmpd08:44:132
12312991616,0cyclictest743-21snmpd07:41:192
12312991616,0cyclictest23430-21cat07:35:122
12310991616,0cyclictest65850irq/126-lan12:05:111
12310991616,0cyclictest65850irq/126-lan10:25:121
12310991616,0cyclictest65850irq/126-lan09:30:121
12310991616,0cyclictest65850irq/126-lan07:35:151
12310991615,1cyclictest65850irq/126-lan11:55:141
12310991615,1cyclictest65850irq/126-lan11:39:591
12310991615,1cyclictest65850irq/126-lan10:00:201
12310991615,1cyclictest65850irq/126-lan09:20:331
12310991615,1cyclictest65850irq/126-lan08:25:121
12310991615,1cyclictest65850irq/126-lan07:45:131
12312991515,0cyclictest743-21snmpd12:06:552
12312991515,0cyclictest743-21snmpd10:44:212
12310991515,0cyclictest65850irq/126-lan11:30:331
12310991515,0cyclictest65850irq/126-lan09:40:131
12310991515,0cyclictest65850irq/126-lan09:25:151
12310991515,0cyclictest65850irq/126-lan07:59:321
12310991514,1cyclictest65850irq/126-lan12:25:191
12310991514,1cyclictest65850irq/126-lan11:08:281
12310991514,1cyclictest65850irq/126-lan11:00:111
12310991514,1cyclictest65850irq/126-lan10:45:171
12310991514,1cyclictest65850irq/126-lan09:55:171
12310991514,1cyclictest65850irq/126-lan08:40:191
12310991514,1cyclictest65850irq/126-lan08:29:591
12310991514,1cyclictest65850irq/126-lan07:20:181
12310991414,0cyclictest65850irq/126-lan12:01:331
12310991414,0cyclictest65850irq/126-lan10:55:151
12310991414,0cyclictest65850irq/126-lan09:00:181
12310991414,0cyclictest65850irq/126-lan08:19:021
12310991414,0cyclictest65850irq/126-lan08:00:211
12310991413,1cyclictest65850irq/126-lan12:30:151
12310991413,1cyclictest65850irq/126-lan12:10:161
12310991413,1cyclictest65850irq/126-lan10:20:191
12310991413,1cyclictest65850irq/126-lan09:35:161
12310991413,1cyclictest65850irq/126-lan07:54:331
12310991413,1cyclictest65850irq/126-lan07:15:171
12310991413,1cyclictest65850irq/126-lan07:10:161
12316991313,0cyclictest9261-21cat09:35:143
12316991313,0cyclictest743-21snmpd09:28:153
12316991313,0cyclictest743-21snmpd08:19:183
12316991313,0cyclictest29547-21cat09:05:133
12312991313,0cyclictest743-21snmpd10:15:462
12312991313,0cyclictest743-21snmpd07:17:502
12310991313,0cyclictest65850irq/126-lan11:48:371
12310991313,0cyclictest65850irq/126-lan07:29:591
12310991312,1cyclictest65850irq/126-lan11:15:161
12310991312,1cyclictest65850irq/126-lan09:05:111
12310991312,1cyclictest65850irq/126-lan08:50:131
12316991212,0cyclictest743-21snmpd12:06:523
12316991212,0cyclictest743-21snmpd10:45:273
12316991212,0cyclictest743-21snmpd10:19:073
12316991212,0cyclictest743-21snmpd10:11:233
12316991212,0cyclictest743-21snmpd07:32:023
12316991212,0cyclictest743-21snmpd07:17:473
12316991212,0cyclictest27951-21cat07:45:143
12316991212,0cyclictest11983-21cat12:20:133
12310991212,0cyclictest65850irq/126-lan11:40:341
12310991212,0cyclictest65850irq/126-lan10:13:341
12310991212,0cyclictest65850irq/126-lan08:08:331
12310991211,1cyclictest65850irq/126-lan11:10:181
12310991211,1cyclictest65850irq/126-lan10:50:121
12310991211,1cyclictest65850irq/126-lan10:05:161
12310991211,1cyclictest65850irq/126-lan09:50:171
12310991211,1cyclictest65850irq/126-lan08:37:581
12316991111,0cyclictest743-21snmpd12:26:033
12316991111,0cyclictest743-21snmpd12:16:423
12316991111,0cyclictest743-21snmpd11:53:493
12316991111,0cyclictest743-21snmpd11:38:093
12316991111,0cyclictest743-21snmpd11:11:513
12316991111,0cyclictest743-21snmpd11:05:483
12316991111,0cyclictest743-21snmpd10:53:593
12316991111,0cyclictest743-21snmpd09:41:163
12316991111,0cyclictest743-21snmpd09:00:583
12316991111,0cyclictest743-21snmpd08:52:053
12312991111,0cyclictest743-21snmpd10:54:412
12310991110,1cyclictest65850irq/126-lan12:35:161
12310991110,1cyclictest65850irq/126-lan08:20:191
12310991110,1cyclictest65850irq/126-lan07:40:191
12310991110,1cyclictest65850irq/126-lan07:25:161
12310991010,0cyclictest65850irq/126-lan11:20:181
12310991010,0cyclictest65850irq/126-lan10:41:331
12310991010,0cyclictest65850irq/126-lan09:45:151
123169998,1cyclictest743-21snmpd07:56:473
123129999,0cyclictest741-21lldpd07:20:052
123129998,1cyclictest743-21snmpd07:34:162
123129998,1cyclictest522-21avahi-daemon11:40:132
123109998,1cyclictest65850irq/126-lan11:50:131
123029998,1cyclictest743-21snmpd11:30:400
123029998,1cyclictest743-21snmpd11:26:070
123029998,1cyclictest741-21lldpd12:28:550
123169988,0cyclictest741-21lldpd11:56:493
123169988,0cyclictest741-21lldpd10:31:333
123169988,0cyclictest741-21lldpd09:48:483
123169987,1cyclictest743-21snmpd11:15:573
123169987,1cyclictest743-21snmpd10:03:403
123129988,0cyclictest741-21lldpd12:19:272
123129988,0cyclictest741-21lldpd11:34:382
123129988,0cyclictest741-21lldpd11:02:222
123129987,1cyclictest9098-21fschecks_time09:35:132
123129987,1cyclictest743-21snmpd12:27:542
123129987,1cyclictest743-21snmpd10:55:422
123129987,1cyclictest743-21snmpd08:55:142
123129987,1cyclictest741-21lldpd08:15:112
123129986,2cyclictest743-21snmpd11:25:192
123109987,1cyclictest65850irq/126-lan09:10:111
123029988,0cyclictest743-21snmpd11:43:560
123029988,0cyclictest741-21lldpd09:54:320
123029988,0cyclictest741-21lldpd08:35:280
123029988,0cyclictest741-21lldpd07:21:430
123029987,1cyclictest743-21snmpd12:01:290
123029987,1cyclictest741-21lldpd10:16:330
123029987,1cyclictest741-21lldpd07:51:170
123029987,1cyclictest522-21avahi-daemon12:15:220
123029986,2cyclictest743-21snmpd12:10:430
123029986,2cyclictest743-21snmpd11:49:050
123029986,2cyclictest743-21snmpd11:24:190
123029986,2cyclictest743-21snmpd11:10:270
123029986,2cyclictest743-21snmpd09:16:230
123029986,2cyclictest743-21snmpd08:14:430
123029986,2cyclictest3242-21cat09:20:140
123029980,8cyclictest27077-21turbostat11:39:590
123169977,0cyclictest741-21lldpd10:09:433
123169977,0cyclictest741-21lldpd09:18:193
123169977,0cyclictest741-21lldpd08:11:073
123169977,0cyclictest741-21lldpd08:04:563
123169977,0cyclictest741-21lldpd07:43:443
123169977,0cyclictest741-21lldpd07:35:353
123169977,0cyclictest741-21lldpd07:28:523
123169976,1cyclictest743-21snmpd10:36:473
123169976,1cyclictest16880-21gltestperf08:35:133
123169975,2cyclictest743-21snmpd09:56:583
123169975,2cyclictest743-21snmpd07:22:443
123169975,2cyclictest15924-21gltestperf12:30:143
123129977,0cyclictest743-21snmpd10:49:512
123129977,0cyclictest743-21snmpd07:52:092
123129977,0cyclictest741-21lldpd11:08:212
123129977,0cyclictest741-21lldpd09:28:332
123129977,0cyclictest741-21lldpd09:23:512
123129976,1cyclictest741-21lldpd08:30:152
123129976,1cyclictest741-21lldpd08:01:562
123129976,1cyclictest522-21avahi-daemon10:02:332
123129975,2cyclictest743-21snmpd12:35:442
123129975,2cyclictest743-21snmpd09:12:482
123029977,0cyclictest743-21snmpd12:20:180
123029977,0cyclictest743-21snmpd07:45:500
123029977,0cyclictest741-21lldpd10:41:300
123029977,0cyclictest741-21lldpd09:25:210
123029977,0cyclictest522-21avahi-daemon10:33:510
123029976,1cyclictest743-21snmpd08:29:400
123029976,1cyclictest3824-21fschecks_count08:05:110
123029975,2cyclictest743-21snmpd08:45:460
123029973,3cyclictest27404-21fw_forwarded_lo09:00:120
123169966,0cyclictest743-21snmpd12:11:353
123169966,0cyclictest743-21snmpd11:04:583
123169966,0cyclictest743-21snmpd09:33:173
123169966,0cyclictest743-21snmpd08:46:373
123169966,0cyclictest743-21snmpd08:20:463
123169966,0cyclictest743-21snmpd08:05:213
123169966,0cyclictest741-21lldpd12:04:193
123169966,0cyclictest741-21lldpd08:25:213
123169966,0cyclictest506-21systemd-resolve10:40:533
123169965,1cyclictest743-21snmpd09:21:243
123169965,1cyclictest506-21systemd-resolve08:55:363
123169964,2cyclictest743-21snmpd08:33:153
123169963,3cyclictest244-20systemd-journal11:40:173
123169960,5cyclictest31305-21entropy09:10:113
123129966,0cyclictest743-21snmpd09:42:222
123129966,0cyclictest743-21snmpd08:28:242
123129966,0cyclictest741-21lldpd08:23:162
123129966,0cyclictest741-21lldpd07:14:022
123129965,1cyclictest743-21snmpd11:14:212
123129965,1cyclictest743-21snmpd10:38:532
123129965,1cyclictest743-21snmpd09:32:442
123129965,1cyclictest743-21snmpd08:10:082
123129965,1cyclictest741-21lldpd08:36:022
123129963,3cyclictest557-21NetworkManager08:05:162
123029966,0cyclictest743-21snmpd07:44:140
123029966,0cyclictest741-21lldpd08:23:140
123029965,1cyclictest741-21lldpd11:05:370
123029965,1cyclictest573-21in:imuxsock10:36:280
123029965,1cyclictest573-21in:imuxsock08:54:090
123029965,1cyclictest522-21avahi-daemon07:39:200
123029965,1cyclictest5197-21cpuspeed_turbos10:45:110
123029965,1cyclictest13761-21cut09:45:180
123029964,2cyclictest743-21snmpd12:36:240
123029964,2cyclictest743-21snmpd11:56:100
123029964,2cyclictest743-21snmpd10:55:510
123029964,2cyclictest743-21snmpd10:04:110
123029964,2cyclictest743-21snmpd07:15:460
123029964,0cyclictest0-21swapper/010:20:030
123029963,3cyclictest21158-21diskstats07:30:120
123029962,4cyclictest557-21NetworkManager10:08:290
123029962,3cyclictest23132-21diskstats10:10:130
123169955,0cyclictest743-21snmpd11:25:163
123169955,0cyclictest741-21lldpd10:56:383
123169955,0cyclictest741-21lldpd07:11:383
123169955,0cyclictest522-21avahi-daemon10:27:543
123169955,0cyclictest29647-21cut07:50:123
123169954,1cyclictest522-21avahi-daemon12:35:553
123169952,2cyclictest15282-21hddtemp_smartct09:50:133
123169951,3cyclictest27307-21fw_forwarded_lo10:20:133
123129955,0cyclictest741-21lldpd10:34:282
123129955,0cyclictest741-21lldpd07:45:442
123129955,0cyclictest522-21avahi-daemon09:04:402
123129955,0cyclictest19645-21needreboot07:25:152
123129954,1cyclictest0-21swapper/208:45:162
123129953,2cyclictest743-21snmpd12:20:502
123129953,2cyclictest743-21snmpd12:00:472
123129952,2cyclictest9179-21seq12:14:462
123129950,4cyclictest27747-21ntpq10:20:152
123029955,0cyclictest743-21snmpd10:26:020
123029955,0cyclictest522-21avahi-daemon08:40:070
123029954,1cyclictest522-21avahi-daemon09:30:250
123029953,2cyclictest743-21snmpd09:35:300
123029953,2cyclictest743-21snmpd09:13:210
123029953,2cyclictest14575-21cat08:30:120
123029952,2cyclictest7835-21nfs4_client10:50:150
123029952,2cyclictest25927-21ntp_states08:55:170
123029952,2cyclictest20173-21sed07:25:200
123029952,2cyclictest18845-21sed10:00:000
123029951,3cyclictest5736-21fw_conntrack12:05:120
123029951,3cyclictest16301-21ldconfig12:30:160
123029950,4cyclictest18037-21ntpq11:15:160
123029950,4cyclictest11994-21ntpq11:00:160
123169942,2cyclictest19354-21grep11:20:103
123169941,1cyclictest191rcu_preempt11:30:113
123169940,4cyclictest30545-21ntpq11:45:173
123169940,3cyclictest19207-21diskstats08:40:103
123129942,2cyclictest845-21grep09:15:112
123129942,2cyclictest717-21ntpd10:05:062
123129942,2cyclictest31827-21tune2fs07:55:102
123129941,2cyclictest17726-21ntp_offset09:55:162
123129940,3cyclictest23917-21ntp_states08:50:182
123029944,0cyclictest743-21snmpd08:00:110
123029943,1cyclictest12657-21df_inode07:10:120
123029943,1cyclictest0-21swapper/011:50:150
123029941,3cyclictest8399-21ntpq08:15:160
123029941,2cyclictest11044-21forks09:40:140
123029940,4cyclictest32267-21ntpq07:55:140
123029931,2cyclictest29241-21cpuspeed_turbos09:05:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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