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2026-07-14 - 04:01

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 all highest latencies:
System rack8slot6s.osadl.org (updated Tue Jul 14, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1526991918,1cyclictest65850irq/126-lan21:30:180
1526991817,1cyclictest65850irq/126-lan23:45:210
1526991817,1cyclictest65850irq/126-lan23:40:130
1526991817,1cyclictest65850irq/126-lan23:32:430
1526991817,1cyclictest65850irq/126-lan20:32:380
1526991817,1cyclictest65850irq/126-lan20:25:130
1526991817,1cyclictest65850irq/126-lan20:20:180
1526991817,1cyclictest65850irq/126-lan00:29:070
1526991817,1cyclictest65850irq/126-lan00:20:120
1526991717,0cyclictest65850irq/126-lan22:26:290
1526991717,0cyclictest65850irq/126-lan00:00:000
1526991716,1cyclictest65850irq/126-lan23:35:180
1526991716,1cyclictest65850irq/126-lan23:05:200
1526991716,1cyclictest65850irq/126-lan22:30:130
1526991716,1cyclictest65850irq/126-lan22:10:140
1526991716,1cyclictest65850irq/126-lan22:05:210
1526991716,1cyclictest65850irq/126-lan22:00:120
1526991716,1cyclictest65850irq/126-lan21:00:180
1526991716,1cyclictest65850irq/126-lan20:35:170
1526991716,1cyclictest65850irq/126-lan20:15:130
1526991716,1cyclictest65850irq/126-lan20:00:140
1526991716,1cyclictest65850irq/126-lan00:00:230
1526991616,0cyclictest65850irq/126-lan23:50:110
1526991616,0cyclictest65850irq/126-lan22:15:200
1526991616,0cyclictest65850irq/126-lan21:19:430
1526991616,0cyclictest65850irq/126-lan20:55:200
1526991616,0cyclictest65850irq/126-lan20:44:120
1526991616,0cyclictest65850irq/126-lan19:56:190
1526991615,1cyclictest65850irq/126-lan23:10:190
1526991615,1cyclictest65850irq/126-lan23:01:410
1526991615,1cyclictest65850irq/126-lan22:20:200
1526991615,1cyclictest65850irq/126-lan21:50:190
1526991615,1cyclictest65850irq/126-lan19:45:170
1526991615,1cyclictest65850irq/126-lan19:20:160
1526991515,0cyclictest65850irq/126-lan22:45:170
1526991515,0cyclictest65850irq/126-lan00:10:120
1526991514,1cyclictest65850irq/126-lan23:15:150
1526991514,1cyclictest65850irq/126-lan22:57:320
1526991514,1cyclictest65850irq/126-lan21:40:120
1526991514,1cyclictest65850irq/126-lan20:05:140
1526991414,0cyclictest65850irq/126-lan22:51:340
1526991414,0cyclictest65850irq/126-lan21:10:000
1526991414,0cyclictest65850irq/126-lan20:10:140
1526991414,0cyclictest65850irq/126-lan19:39:130
1526991414,0cyclictest65850irq/126-lan00:35:210
1526991414,0cyclictest65850irq/126-lan00:05:170
1526991413,1cyclictest65850irq/126-lan23:20:130
1526991413,1cyclictest65850irq/126-lan21:55:200
1526991413,1cyclictest65850irq/126-lan21:35:180
1526991413,1cyclictest65850irq/126-lan21:20:160
1526991413,1cyclictest65850irq/126-lan19:50:190
1526991413,1cyclictest65850irq/126-lan19:40:140
1526991413,1cyclictest65850irq/126-lan19:10:120
1526991413,1cyclictest65850irq/126-lan00:30:130
1526991313,0cyclictest65850irq/126-lan22:40:200
1526991312,1cyclictest65850irq/126-lan21:26:180
1526991312,1cyclictest65850irq/126-lan19:25:010
1526991312,1cyclictest65850irq/126-lan19:15:120
1526991212,0cyclictest65850irq/126-lan22:35:190
1526991212,0cyclictest65850irq/126-lan20:46:120
1526991211,1cyclictest65850irq/126-lan19:30:230
1526991111,0cyclictest65850irq/126-lan23:25:150
1526991111,0cyclictest65850irq/126-lan20:50:200
1526991110,1cyclictest65850irq/126-lan21:45:180
152699109,1cyclictest65850irq/126-lan00:15:150
1526991010,0cyclictest65850irq/126-lan21:05:170
15379998,1cyclictest741-21lldpd22:46:303
15329998,1cyclictest743-21snmpd23:53:352
15289998,1cyclictest743-21snmpd20:04:381
15289998,1cyclictest743-21snmpd19:51:551
15379988,0cyclictest743-21snmpd23:20:403
15379988,0cyclictest743-21snmpd19:55:253
15379988,0cyclictest741-21lldpd00:05:373
15379987,1cyclictest743-21snmpd21:21:313
15379987,1cyclictest743-21snmpd20:26:253
15379987,1cyclictest743-21snmpd19:27:223
15379987,1cyclictest743-21snmpd00:03:283
15379986,2cyclictest743-21snmpd23:46:053
15379986,2cyclictest743-21snmpd21:25:183
15379986,2cyclictest743-21snmpd20:48:183
15379986,2cyclictest743-21snmpd19:44:133
15329988,0cyclictest743-21snmpd22:53:462
15329988,0cyclictest743-21snmpd22:44:402
15329988,0cyclictest743-21snmpd20:01:022
15329988,0cyclictest743-21snmpd00:31:532
15329988,0cyclictest741-21lldpd22:59:012
15329988,0cyclictest741-21lldpd20:07:162
15329988,0cyclictest741-21lldpd19:12:572
15329987,1cyclictest743-21snmpd00:24:332
15329987,1cyclictest741-21lldpd23:57:242
15329987,1cyclictest741-21lldpd20:32:232
15329986,2cyclictest743-21snmpd23:19:492
15329986,2cyclictest743-21snmpd23:04:282
15329986,2cyclictest743-21snmpd22:48:062
15329986,2cyclictest743-21snmpd22:27:572
15329986,2cyclictest743-21snmpd22:18:142
15329986,2cyclictest743-21snmpd22:04:022
15289988,0cyclictest743-21snmpd22:46:331
15289988,0cyclictest743-21snmpd21:31:121
15289988,0cyclictest743-21snmpd20:09:551
15289988,0cyclictest743-21snmpd00:20:031
15289986,2cyclictest743-21snmpd20:25:371
15379977,0cyclictest743-21snmpd22:07:123
15379977,0cyclictest743-21snmpd20:03:413
15379977,0cyclictest743-21snmpd00:11:553
15379977,0cyclictest741-21lldpd23:17:023
15379977,0cyclictest741-21lldpd22:44:443
15379977,0cyclictest741-21lldpd22:39:073
15379976,1cyclictest743-21snmpd20:34:443
15379976,1cyclictest573-21in:imuxsock23:41:153
15379976,1cyclictest23542-21sendmail00:00:013
15379975,2cyclictest743-21snmpd23:50:053
15379975,2cyclictest743-21snmpd23:14:203
15379975,2cyclictest743-21snmpd23:01:583
15379975,2cyclictest743-21snmpd22:20:243
15379975,2cyclictest743-21snmpd22:14:593
15379975,2cyclictest743-21snmpd21:02:273
15379975,2cyclictest743-21snmpd20:56:023
15379975,2cyclictest743-21snmpd20:41:293
15379975,2cyclictest743-21snmpd19:15:153
15379973,3cyclictest5302-21ntpq20:35:153
15329977,0cyclictest741-21lldpd23:30:462
15329977,0cyclictest741-21lldpd21:11:042
15329977,0cyclictest741-21lldpd20:15:032
15329977,0cyclictest741-21lldpd19:58:312
15329977,0cyclictest741-21lldpd19:36:052
15329976,1cyclictest743-21snmpd22:12:052
15329976,1cyclictest741-21lldpd20:25:122
15329976,1cyclictest741-21lldpd00:11:422
15329976,1cyclictest506-21systemd-resolve21:33:142
15329976,1cyclictest4681-21fschecks_count20:35:112
15329975,2cyclictest743-21snmpd19:46:232
15329975,2cyclictest743-21snmpd00:08:422
15329975,2cyclictest29615-21cat21:35:152
15289977,0cyclictest743-21snmpd22:28:151
15289977,0cyclictest743-21snmpd22:01:071
15289977,0cyclictest743-21snmpd21:00:561
15289977,0cyclictest741-21lldpd23:45:281
15289977,0cyclictest741-21lldpd22:11:141
15289977,0cyclictest741-21lldpd20:59:501
15289977,0cyclictest522-21avahi-daemon00:25:561
15289976,1cyclictest743-21snmpd19:11:211
15289976,1cyclictest573-21in:imuxsock23:41:371
15289976,1cyclictest506-21systemd-resolve23:52:581
15289975,2cyclictest743-21snmpd23:31:511
15289975,2cyclictest743-21snmpd19:34:431
15289975,2cyclictest743-21snmpd19:21:091
15289975,2cyclictest743-21snmpd00:14:091
15289975,2cyclictest23557-21cat21:20:171
15379966,0cyclictest743-21snmpd22:54:223
15379966,0cyclictest741-21lldpd21:39:443
15379965,1cyclictest10642-21cpuspeed_turbos20:50:133
15379964,2cyclictest743-21snmpd23:25:323
15379964,2cyclictest743-21snmpd19:31:393
15379963,3cyclictest20045-21sensors_temp22:30:203
15379962,3cyclictest5950-21fw_conntrack00:35:133
15379962,3cyclictest30256-21fw_forwarded_lo00:15:133
15379962,3cyclictest2706-21sed00:25:223
15379961,5cyclictest557-21NetworkManager22:29:573
15329966,0cyclictest743-21snmpd21:56:402
15329966,0cyclictest743-21snmpd21:09:402
15329966,0cyclictest743-21snmpd20:11:222
15329965,1cyclictest25400-21cut21:25:142
15329964,2cyclictest743-21snmpd23:49:152
15329963,2cyclictest575-21rs:main2
15329962,3cyclictest4659-21cat23:15:012
15329962,3cyclictest1310-21memory23:05:152
15329962,3cyclictest1118-21fw_forwarded_lo21:45:132
15329962,2cyclictest4684-21cat21:55:012
15289965,1cyclictest8628-21cpuspeed_turbos20:45:131
15289965,1cyclictest743-21snmpd23:11:441
15289965,1cyclictest743-21snmpd20:13:341
15289965,1cyclictest741-21lldpd20:40:041
15289965,1cyclictest573-21in:imuxsock00:07:161
15289965,1cyclictest18377-21latency_hist21:10:011
15289965,1cyclictest16354-21cpuspeed_turbos19:45:131
15289965,1cyclictest13796-21cpuspeed_turbos23:35:121
15289964,2cyclictest743-21snmpd21:43:431
15289964,2cyclictest743-21snmpd21:16:211
15289964,2cyclictest743-21snmpd20:36:071
15289963,2cyclictest12933-21apt-get22:15:121
15289962,4cyclictest30991-21cat23:00:011
15289962,3cyclictest244-20systemd-journal21:11:051
15289962,3cyclictest23524-21cat23:59:551
15289961,4cyclictest10823-21cat22:10:011
15379955,0cyclictest743-21snmpd23:05:053
15379955,0cyclictest741-21lldpd19:10:083
15379955,0cyclictest522-21avahi-daemon23:40:003
15379954,1cyclictest743-21snmpd21:46:553
15379954,1cyclictest743-21snmpd20:20:433
15379954,1cyclictest741-21lldpd00:32:083
15379954,1cyclictest573-21in:imuxsock22:18:203
15379954,1cyclictest522-21avahi-daemon21:58:203
15379954,1cyclictest522-21avahi-daemon19:38:143
15379953,2cyclictest19500-21cat21:10:133
15379953,2cyclictest12943-21sed23:30:203
15379952,3cyclictest557-21NetworkManager20:10:093
15379952,3cyclictest557-21NetworkManager00:23:403
15379952,2cyclictest24814-21irqstats20:05:163
15379952,2cyclictest244-20systemd-journal19:24:043
15379952,2cyclictest19728-21sshd19:51:133
15329955,0cyclictest741-21lldpd22:05:102
15329955,0cyclictest522-21avahi-daemon00:03:072
15329955,0cyclictest23797-21cut21:20:182
15329954,1cyclictest6628-21ntpq19:20:172
15329954,1cyclictest21871-21ntpq21:15:192
15329953,2cyclictest743-21snmpd21:03:382
15329953,2cyclictest743-21snmpd19:30:002
15329952,3cyclictest557-21NetworkManager20:50:092
15329952,3cyclictest557-21NetworkManager19:28:322
15329952,2cyclictest9994-21grep23:25:152
15329952,2cyclictest575-21rs:main2
15329952,2cyclictest2710-21sed00:25:222
15329952,2cyclictest244-20systemd-journal20:40:392
15329952,2cyclictest244-20systemd-journal19:54:002
15329952,2cyclictest20953-21cut22:35:002
15329952,2cyclictest16632-21smartctl23:40:172
15329952,2cyclictest14922-21switchtime19:40:212
15329950,4cyclictest8502-21ntpq23:20:172
15289955,0cyclictest743-21snmpd22:36:421
15289955,0cyclictest743-21snmpd20:24:491
15289955,0cyclictest743-21snmpd19:41:371
15289955,0cyclictest741-21lldpd21:54:261
15289955,0cyclictest741-21lldpd21:47:451
15289955,0cyclictest741-21lldpd19:59:391
15289955,0cyclictest522-21avahi-daemon23:06:451
15289955,0cyclictest522-21avahi-daemon22:50:031
15289954,1cyclictest743-21snmpd22:34:571
15289954,1cyclictest743-21snmpd20:30:281
15289954,1cyclictest741-21lldpd23:25:011
15289954,1cyclictest5596-21ntpq21:55:171
15289954,1cyclictest522-21avahi-daemon20:51:581
15289953,2cyclictest743-21snmpd22:22:141
15289952,3cyclictest557-21NetworkManager00:15:571
15289952,3cyclictest557-21NetworkManager00:00:311
15289952,2cyclictest8685-21pmu-power19:25:191
15289952,2cyclictest7547-21rm23:20:001
15289952,2cyclictest29883-21ntpq21:35:171
15289952,2cyclictest25190-21sshd21:25:131
15289952,2cyclictest244-20systemd-journal19:37:361
15289951,3cyclictest7622-21ls00:40:001
15289951,2cyclictest24945-21cat22:45:011
15379942,2cyclictest3278-21cat21:50:153
15379942,2cyclictest31601-21ls21:40:143
15379941,3cyclictest557-21NetworkManager22:59:243
15379941,3cyclictest557-21NetworkManager21:15:053
15379941,2cyclictest27448-21grep21:30:123
15379940,4cyclictest29134-21ntpq20:15:183
15379940,4cyclictest17045-21ntpq19:45:173
15379940,3cyclictest7215-21grep22:00:133
15379940,3cyclictest16990-21sed21:05:133
15329943,1cyclictest12653-21cpuspeed_turbos20:55:122
15329942,2cyclictest15683-21ntp_192.168.11422:20:172
15329941,2cyclictest22252-21unixbench-2d22:35:212
15329940,4cyclictest9399-21ntpq20:45:192
15329940,4cyclictest31966-21ntpq21:40:162
15329940,4cyclictest30755-21ntpq00:15:172
15329940,4cyclictest14515-21ntpq23:35:172
15329940,3cyclictest31134-21ntpq20:20:162
15289944,0cyclictest244-20systemd-journal20:16:251
15289942,2cyclictest743-21snmpd23:00:011
15289942,2cyclictest331ktimers/123:15:111
15289941,2cyclictest3812-21tr19:15:131
15289940,3cyclictest4391-21ntpq00:30:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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