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2026-03-17 - 13:33

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 Tue Mar 17, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31192994343,0cyclictest17600-21fwupd21:14:181
31192991918,1cyclictest65850irq/126-lan22:42:311
31192991918,1cyclictest65850irq/126-lan21:25:201
31192991918,1cyclictest65850irq/126-lan19:39:171
31192991818,0cyclictest65850irq/126-lan23:19:181
31192991817,1cyclictest65850irq/126-lan23:35:211
31192991817,1cyclictest65850irq/126-lan22:50:211
31192991817,1cyclictest65850irq/126-lan22:25:151
31192991817,1cyclictest65850irq/126-lan21:15:131
31192991817,1cyclictest65850irq/126-lan21:00:201
31192991817,1cyclictest65850irq/126-lan19:55:181
31192991817,1cyclictest65850irq/126-lan19:20:171
31192991717,0cyclictest65850irq/126-lan23:27:311
31192991717,0cyclictest65850irq/126-lan20:44:311
31192991717,0cyclictest65850irq/126-lan20:15:151
31192991716,1cyclictest65850irq/126-lan23:45:151
31192991716,1cyclictest65850irq/126-lan23:00:191
31192991716,1cyclictest65850irq/126-lan22:55:201
31192991716,1cyclictest65850irq/126-lan22:20:141
31192991716,1cyclictest65850irq/126-lan20:59:311
31192991716,1cyclictest65850irq/126-lan20:20:211
31192991716,1cyclictest65850irq/126-lan19:17:301
31192991716,1cyclictest65850irq/126-lan00:25:151
31184991717,0cyclictest743-21snmpd22:21:470
31184991717,0cyclictest743-21snmpd21:47:070
31184991717,0cyclictest743-21snmpd21:09:500
31184991717,0cyclictest743-21snmpd00:26:240
31184991716,1cyclictest743-21snmpd22:53:420
31192991616,0cyclictest65850irq/126-lan21:40:311
31192991616,0cyclictest65850irq/126-lan00:00:141
31192991615,1cyclictest65850irq/126-lan23:40:131
31192991615,1cyclictest65850irq/126-lan22:45:121
31192991615,1cyclictest65850irq/126-lan22:15:151
31192991615,1cyclictest65850irq/126-lan20:25:141
31184991616,0cyclictest743-21snmpd23:35:440
31184991616,0cyclictest743-21snmpd22:55:020
31184991616,0cyclictest743-21snmpd21:10:030
31184991616,0cyclictest743-21snmpd20:50:340
31184991616,0cyclictest743-21snmpd20:28:580
31184991616,0cyclictest743-21snmpd20:24:510
31184991616,0cyclictest743-21snmpd20:13:320
31184991616,0cyclictest743-21snmpd19:33:570
31184991616,0cyclictest743-21snmpd19:27:350
31184991616,0cyclictest743-21snmpd00:39:040
31184991616,0cyclictest743-21snmpd00:12:180
31184991616,0cyclictest4491-21cat23:20:140
31184991616,0cyclictest32528-21cat21:50:130
31184991616,0cyclictest24437-21cat21:30:120
31184991616,0cyclictest10195-21cat22:15:150
31192991515,0cyclictest65850irq/126-lan23:05:201
31192991515,0cyclictest65850irq/126-lan22:05:091
31192991515,0cyclictest65850irq/126-lan21:30:111
31192991515,0cyclictest65850irq/126-lan21:05:131
31192991515,0cyclictest65850irq/126-lan20:05:191
31192991515,0cyclictest65850irq/126-lan19:30:151
31192991515,0cyclictest65850irq/126-lan00:05:191
31192991514,1cyclictest65850irq/126-lan23:30:151
31192991514,1cyclictest65850irq/126-lan23:20:121
31192991514,1cyclictest65850irq/126-lan23:10:131
31192991514,1cyclictest65850irq/126-lan22:37:561
31192991514,1cyclictest65850irq/126-lan20:35:171
31192991514,1cyclictest65850irq/126-lan20:11:031
31184991515,0cyclictest743-21snmpd23:41:110
31184991515,0cyclictest743-21snmpd23:09:460
31184991515,0cyclictest743-21snmpd23:00:240
31184991515,0cyclictest743-21snmpd21:15:060
31184991515,0cyclictest743-21snmpd20:18:190
31184991515,0cyclictest743-21snmpd20:05:340
31184991515,0cyclictest743-21snmpd20:01:070
31184991515,0cyclictest743-21snmpd19:42:460
31184991515,0cyclictest743-21snmpd19:35:070
31184991515,0cyclictest743-21snmpd19:22:570
31184991515,0cyclictest743-21snmpd00:31:350
31192991414,0cyclictest65850irq/126-lan22:00:461
31192991414,0cyclictest65850irq/126-lan00:36:311
31192991414,0cyclictest65850irq/126-lan00:10:201
31192991413,1cyclictest65850irq/126-lan22:30:171
31192991413,1cyclictest65850irq/126-lan20:50:161
31192991413,1cyclictest65850irq/126-lan19:10:171
31192991413,1cyclictest65850irq/126-lan00:30:161
31192991313,0cyclictest65850irq/126-lan23:56:311
31192991313,0cyclictest65850irq/126-lan21:55:121
31192991313,0cyclictest65850irq/126-lan19:25:111
31192991312,1cyclictest65850irq/126-lan22:10:171
31192991312,1cyclictest65850irq/126-lan21:50:121
31192991312,1cyclictest65850irq/126-lan21:35:081
31192991312,1cyclictest65850irq/126-lan20:30:141
31192991312,1cyclictest65850irq/126-lan20:00:111
31192991212,0cyclictest65850irq/126-lan20:45:211
31192991211,1cyclictest65850irq/126-lan19:45:161
31192991110,1cyclictest65850irq/126-lan00:20:131
31192991110,1cyclictest65850irq/126-lan00:15:171
3119299109,1cyclictest65850irq/126-lan21:45:121
3119299109,1cyclictest65850irq/126-lan19:40:211
312029998,1cyclictest743-21snmpd23:49:023
312029998,1cyclictest743-21snmpd20:47:193
312029998,1cyclictest741-21lldpd22:49:363
312029998,1cyclictest741-21lldpd22:04:493
312029998,1cyclictest30733-21gltestperf23:05:123
311989998,1cyclictest743-21snmpd23:34:222
311989998,1cyclictest743-21snmpd20:50:282
311989998,1cyclictest741-21lldpd22:00:092
311989998,1cyclictest10833-21cut19:40:002
312029988,0cyclictest743-21snmpd23:04:273
312029988,0cyclictest743-21snmpd21:20:293
312029988,0cyclictest743-21snmpd19:51:403
312029988,0cyclictest743-21snmpd00:22:573
312029988,0cyclictest741-21lldpd21:49:433
312029987,1cyclictest743-21snmpd19:21:033
312029987,1cyclictest741-21lldpd22:53:573
312029987,1cyclictest20377-21ntp_kernel_pll_20:00:163
312029986,2cyclictest743-21snmpd22:14:383
312029986,2cyclictest743-21snmpd20:57:173
312029986,2cyclictest743-21snmpd20:43:053
312029983,5cyclictest557-21NetworkManager00:35:063
311989988,0cyclictest741-21lldpd22:20:382
311989988,0cyclictest741-21lldpd21:53:442
311989988,0cyclictest741-21lldpd19:24:512
311989988,0cyclictest741-21lldpd00:29:052
311989987,1cyclictest743-21snmpd23:53:052
311989987,1cyclictest743-21snmpd23:27:212
311989987,1cyclictest743-21snmpd19:41:452
311989987,1cyclictest743-21snmpd00:21:332
311989987,1cyclictest741-21lldpd21:34:472
311989987,1cyclictest522-21avahi-daemon20:40:232
311989986,2cyclictest743-21snmpd22:19:232
311989986,2cyclictest743-21snmpd20:22:022
311989986,2cyclictest743-21snmpd19:14:502
311989986,2cyclictest743-21snmpd00:16:092
311849988,0cyclictest741-21lldpd22:10:260
311849988,0cyclictest741-21lldpd19:55:210
311849987,1cyclictest743-21snmpd22:43:350
311849987,1cyclictest741-21lldpd19:50:550
311849986,2cyclictest743-21snmpd23:48:200
311849986,2cyclictest743-21snmpd23:12:090
312029977,0cyclictest743-21snmpd23:51:413
312029977,0cyclictest743-21snmpd20:27:493
312029977,0cyclictest741-21lldpd22:21:423
312029977,0cyclictest741-21lldpd19:19:273
312029977,0cyclictest522-21avahi-daemon22:55:553
312029976,1cyclictest743-21snmpd20:50:083
312029975,2cyclictest743-21snmpd21:56:163
312029975,2cyclictest743-21snmpd21:15:263
312029975,2cyclictest743-21snmpd20:22:053
311989977,0cyclictest743-21snmpd22:55:392
311989977,0cyclictest743-21snmpd22:44:302
311989977,0cyclictest743-21snmpd21:22:472
311989977,0cyclictest743-21snmpd20:03:312
311989977,0cyclictest741-21lldpd22:25:252
311989977,0cyclictest741-21lldpd21:02:552
311989977,0cyclictest741-21lldpd20:26:342
311989977,0cyclictest741-21lldpd00:32:412
311989977,0cyclictest522-21avahi-daemon20:33:342
311989977,0cyclictest506-21systemd-resolve20:45:422
311989976,1cyclictest743-21snmpd23:57:282
311989976,1cyclictest743-21snmpd21:49:042
311989976,1cyclictest6334-21unixbench_multi19:25:202
311989976,1cyclictest2164-21cpuspeed_turbos23:15:132
311989975,2cyclictest743-21snmpd22:46:362
311989975,2cyclictest743-21snmpd22:07:162
311989975,2cyclictest743-21snmpd21:15:242
311989975,2cyclictest743-21snmpd19:51:132
311989975,2cyclictest743-21snmpd00:08:272
311989975,2cyclictest26468-21cat21:35:142
311929977,0cyclictest65850irq/126-lan23:50:121
311929976,1cyclictest65850irq/126-lan19:50:181
311849977,0cyclictest743-21snmpd23:31:580
311849977,0cyclictest741-21lldpd22:25:420
311849977,0cyclictest741-21lldpd20:33:310
311849976,1cyclictest522-21avahi-daemon21:04:030
311849976,1cyclictest522-21avahi-daemon19:45:210
311849976,1cyclictest22444-21fschecks_count00:05:110
311849975,2cyclictest26204-21cut21:35:120
311849974,2cyclictest717-21ntpd21:55:160
311849973,3cyclictest244-20systemd-journal21:40:210
311849973,3cyclictest21065-21ntp_states00:00:160
312029966,0cyclictest743-21snmpd20:31:303
312029966,0cyclictest741-21lldpd21:14:583
312029966,0cyclictest741-21lldpd19:33:033
312029966,0cyclictest522-21avahi-daemon00:30:483
312029965,1cyclictest743-21snmpd23:36:023
312029965,1cyclictest743-21snmpd20:13:373
312029965,1cyclictest741-21lldpd23:15:343
312029965,1cyclictest511ktimers/300:15:183
312029964,2cyclictest743-21snmpd22:40:483
312029964,2cyclictest743-21snmpd20:15:013
312029963,3cyclictest16120-21perl22:30:133
312029963,2cyclictest812-21ntpq23:10:173
312029963,2cyclictest244-20systemd-journal22:05:133
312029962,4cyclictest557-21NetworkManager23:30:233
312029962,3cyclictest32682-21cat21:50:143
311989966,0cyclictest743-21snmpd21:55:552
311989966,0cyclictest743-21snmpd21:41:012
311989966,0cyclictest743-21snmpd00:04:592
311989966,0cyclictest741-21lldpd20:11:042
311989966,0cyclictest741-21lldpd20:08:362
311989966,0cyclictest522-21avahi-daemon21:10:312
311989965,1cyclictest506-21systemd-resolve23:00:172
311989965,1cyclictest16171-21gltestperf22:30:142
311989965,1cyclictest13041-21pmu-power23:40:192
311989964,2cyclictest385-21cat23:10:142
311989963,3cyclictest18552-21ntp_192.168.11422:35:152
311849966,0cyclictest743-21snmpd22:06:150
311849966,0cyclictest743-21snmpd22:01:430
311849966,0cyclictest741-21lldpd22:34:300
311849965,1cyclictest743-21snmpd23:57:260
311849965,1cyclictest743-21snmpd00:16:500
311849964,2cyclictest743-21snmpd22:38:210
311849964,2cyclictest743-21snmpd00:20:540
311849963,3cyclictest557-21NetworkManager23:15:310
312029955,0cyclictest743-21snmpd20:38:043
312029955,0cyclictest741-21lldpd21:42:513
312029955,0cyclictest741-21lldpd21:31:463
312029955,0cyclictest741-21lldpd21:05:203
312029955,0cyclictest522-21avahi-daemon21:26:483
312029954,1cyclictest743-21snmpd19:57:483
312029954,1cyclictest522-21avahi-daemon21:00:143
312029953,2cyclictest743-21snmpd20:05:203
312029953,2cyclictest743-21snmpd19:46:273
312029953,2cyclictest743-21snmpd19:40:363
312029953,2cyclictest743-21snmpd19:25:113
312029952,2cyclictest32756-21sshd19:10:313
312029951,4cyclictest557-21NetworkManager23:44:113
312029951,3cyclictest9234-21df_inode19:35:133
312029951,3cyclictest244-20systemd-journal00:01:283
312029951,3cyclictest13999-21grep22:25:123
312029950,4cyclictest22991-21ntpq00:05:153
312029950,4cyclictest10558-21ntpq22:15:173
311989955,0cyclictest743-21snmpd23:45:022
311989955,0cyclictest743-21snmpd19:31:452
311989954,1cyclictest743-21snmpd21:05:522
311989954,1cyclictest3095-21ntpq00:35:162
311989953,2cyclictest743-21snmpd22:51:112
311989953,2cyclictest557-21NetworkManager23:22:332
311989952,3cyclictest23822-21sed21:30:002
311989952,2cyclictest13098-21find19:45:112
311989951,3cyclictest25942-21perl20:15:142
311989950,4cyclictest8552-21ntpq22:10:162
311929954,1cyclictest65850irq/126-lan21:21:201
311849954,1cyclictest506-21systemd-resolve22:45:390
311849953,2cyclictest717-21ntpd20:40:120
311849953,2cyclictest717-21ntpd20:36:210
311849953,2cyclictest717-21ntpd19:10:440
311849953,2cyclictest244-20systemd-journal21:27:320
311849952,3cyclictest717-21ntpd20:45:120
311849952,3cyclictest557-21NetworkManager23:51:360
311849952,2cyclictest6409-21gltestperf23:25:120
311849951,3cyclictest2287-21grep19:15:200
312029943,1cyclictest30602-21fw_conntrack00:25:123
312029942,2cyclictest24683-21cat00:10:133
312029942,2cyclictest18348-21grep22:35:143
312029941,3cyclictest6522-21cat23:25:133
312029941,3cyclictest557-21NetworkManager21:37:173
312029940,4cyclictest18895-21ntpq23:55:143
312029940,3cyclictest4232-21diskstats23:20:113
311989944,0cyclictest0-21swapper/219:15:172
311989941,2cyclictest24647-21idleruntime00:10:132
311989941,2cyclictest244-20systemd-journal23:35:272
311989941,2cyclictest17160-21awk19:54:592
311989940,4cyclictest31178-21ntpq23:05:162
311989940,3cyclictest10610-21sed20:55:162
311849942,2cyclictest717-21ntpd20:55:100
311849940,3cyclictest20537-21memory21:20:140
311989930,3cyclictest1654-21perl20:35:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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