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2026-07-06 - 03:31

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 Mon Jul 06, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18760991918,1cyclictest65850irq/126-lan22:10:120
18760991918,1cyclictest65850irq/126-lan22:05:000
18760991818,0cyclictest65850irq/126-lan22:23:150
18760991817,1cyclictest65850irq/126-lan23:30:200
18760991817,1cyclictest65850irq/126-lan22:00:130
18760991817,1cyclictest65850irq/126-lan20:50:000
18760991817,1cyclictest65850irq/126-lan20:00:150
18760991817,1cyclictest65850irq/126-lan19:15:200
18760991817,1cyclictest65850irq/126-lan00:00:140
18760991717,0cyclictest65850irq/126-lan23:55:130
18760991717,0cyclictest65850irq/126-lan23:40:180
18760991717,0cyclictest65850irq/126-lan21:55:210
18760991717,0cyclictest65850irq/126-lan00:35:140
18760991716,1cyclictest65850irq/126-lan23:35:180
18760991716,1cyclictest65850irq/126-lan21:10:120
18760991716,1cyclictest65850irq/126-lan20:20:180
18760991716,1cyclictest65850irq/126-lan00:10:130
18760991616,0cyclictest65850irq/126-lan20:44:120
18760991615,1cyclictest65850irq/126-lan23:50:160
18760991615,1cyclictest65850irq/126-lan22:25:140
18760991615,1cyclictest65850irq/126-lan21:50:150
18760991615,1cyclictest65850irq/126-lan20:55:120
18760991615,1cyclictest65850irq/126-lan20:45:160
18760991615,1cyclictest65850irq/126-lan19:47:530
18760991615,1cyclictest65850irq/126-lan19:40:170
18760991515,0cyclictest65850irq/126-lan23:15:130
18760991515,0cyclictest65850irq/126-lan22:15:120
18760991515,0cyclictest65850irq/126-lan21:20:210
18760991515,0cyclictest65850irq/126-lan21:15:140
18760991515,0cyclictest65850irq/126-lan19:50:150
18760991515,0cyclictest65850irq/126-lan00:23:250
18760991514,1cyclictest65850irq/126-lan23:10:130
18760991514,1cyclictest65850irq/126-lan21:05:140
18760991514,1cyclictest65850irq/126-lan20:30:180
18760991514,1cyclictest65850irq/126-lan19:35:180
18760991514,1cyclictest65850irq/126-lan19:25:000
18760991414,0cyclictest65850irq/126-lan22:45:210
18760991414,0cyclictest65850irq/126-lan21:40:520
18760991414,0cyclictest65850irq/126-lan21:00:190
18760991414,0cyclictest65850irq/126-lan20:05:150
18760991414,0cyclictest65850irq/126-lan00:05:160
18760991413,1cyclictest65850irq/126-lan23:25:130
18760991413,1cyclictest65850irq/126-lan21:25:120
18760991413,1cyclictest65850irq/126-lan20:15:210
18760991413,1cyclictest65850irq/126-lan20:10:170
18760991413,1cyclictest65850irq/126-lan00:15:180
18760991313,0cyclictest65850irq/126-lan23:00:120
18760991313,0cyclictest65850irq/126-lan21:30:120
18760991313,0cyclictest65850irq/126-lan19:55:170
18760991312,1cyclictest65850irq/126-lan23:45:200
18760991312,1cyclictest65850irq/126-lan23:20:190
18760991312,1cyclictest65850irq/126-lan22:30:220
18760991312,1cyclictest65850irq/126-lan21:35:120
18760991312,1cyclictest65850irq/126-lan19:10:110
18760991312,1cyclictest65850irq/126-lan00:25:200
18760991211,1cyclictest65850irq/126-lan23:05:170
18760991211,1cyclictest65850irq/126-lan21:45:180
18760991211,1cyclictest65850irq/126-lan19:30:180
18760991111,0cyclictest65850irq/126-lan19:25:160
18760991110,1cyclictest65850irq/126-lan20:35:130
18760991110,1cyclictest65850irq/126-lan20:35:120
1876099109,1cyclictest65850irq/126-lan22:50:180
1876099109,1cyclictest65850irq/126-lan20:25:120
187709998,1cyclictest743-21snmpd19:47:592
187709998,1cyclictest743-21snmpd00:22:182
187659998,1cyclictest743-21snmpd22:38:331
187659998,1cyclictest743-21snmpd21:18:241
187659998,1cyclictest743-21snmpd21:13:061
187659998,1cyclictest743-21snmpd19:42:481
187659998,1cyclictest743-21snmpd00:02:431
187659998,1cyclictest522-21avahi-daemon19:35:201
187749988,0cyclictest743-21snmpd23:49:473
187749988,0cyclictest743-21snmpd20:44:593
187749988,0cyclictest741-21lldpd23:42:373
187749988,0cyclictest741-21lldpd23:19:473
187749988,0cyclictest741-21lldpd21:43:163
187749987,1cyclictest743-21snmpd22:59:363
187749987,1cyclictest743-21snmpd22:10:233
187749987,1cyclictest743-21snmpd21:49:163
187749987,1cyclictest743-21snmpd20:17:223
187749987,1cyclictest743-21snmpd19:55:123
187749987,1cyclictest743-21snmpd00:01:143
187749986,2cyclictest743-21snmpd00:21:573
187749986,2cyclictest717-21ntpd22:35:223
187749986,2cyclictest717-21ntpd22:30:333
187749986,2cyclictest717-21ntpd22:21:443
187749986,2cyclictest717-21ntpd20:45:243
187749986,2cyclictest717-21ntpd20:29:313
187749986,2cyclictest717-21ntpd19:32:393
187749986,2cyclictest717-21ntpd00:29:233
187749986,2cyclictest6597-21cat23:55:143
187709988,0cyclictest741-21lldpd22:00:082
187709988,0cyclictest741-21lldpd21:50:172
187709988,0cyclictest741-21lldpd21:16:182
187709987,1cyclictest743-21snmpd21:32:342
187709987,1cyclictest743-21snmpd21:24:472
187709987,1cyclictest743-21snmpd20:20:572
187709986,2cyclictest743-21snmpd23:22:462
187709986,2cyclictest743-21snmpd23:16:432
187709986,2cyclictest743-21snmpd22:29:292
187709986,2cyclictest743-21snmpd20:30:202
187709986,2cyclictest743-21snmpd19:14:502
187659988,0cyclictest743-21snmpd22:45:421
187659988,0cyclictest743-21snmpd21:00:571
187659988,0cyclictest741-21lldpd21:43:421
187659988,0cyclictest741-21lldpd21:36:211
187659988,0cyclictest741-21lldpd20:28:031
187659987,1cyclictest743-21snmpd23:22:041
187659987,1cyclictest743-21snmpd22:09:281
187659987,1cyclictest743-21snmpd20:42:021
187659987,1cyclictest741-21lldpd19:29:521
187659987,1cyclictest522-21avahi-daemon21:05:031
187659986,2cyclictest743-21snmpd23:45:511
187659986,2cyclictest743-21snmpd22:57:231
187659986,2cyclictest743-21snmpd19:46:241
187659986,2cyclictest743-21snmpd19:17:521
187659986,2cyclictest743-21snmpd00:37:241
187659986,2cyclictest2258-21cat22:25:151
187609988,0cyclictest65850irq/126-lan22:40:130
187749977,0cyclictest743-21snmpd23:35:283
187749977,0cyclictest743-21snmpd21:01:443
187749977,0cyclictest743-21snmpd19:15:343
187749977,0cyclictest743-21snmpd00:06:323
187749977,0cyclictest741-21lldpd22:45:233
187749977,0cyclictest741-21lldpd21:12:113
187749976,1cyclictest743-21snmpd21:16:353
187749976,1cyclictest717-21ntpd22:40:493
187749976,1cyclictest24101-21cpuspeed_turbos23:20:143
187749976,1cyclictest19529-21fschecks_time20:30:133
187749975,2cyclictest743-21snmpd22:09:223
187749975,2cyclictest743-21snmpd19:43:453
187749975,2cyclictest717-21ntpd22:25:273
187749975,2cyclictest717-21ntpd20:50:053
187749975,2cyclictest717-21ntpd20:36:073
187749975,2cyclictest717-21ntpd20:36:063
187749975,2cyclictest717-21ntpd19:10:243
187749975,2cyclictest717-21ntpd00:31:143
187749975,2cyclictest717-21ntpd00:10:263
187749973,3cyclictest12595-21ntp_192.168.11422:50:163
187709977,0cyclictest743-21snmpd22:54:592
187709977,0cyclictest743-21snmpd21:55:252
187709977,0cyclictest743-21snmpd19:35:322
187709977,0cyclictest741-21lldpd20:05:242
187709977,0cyclictest741-21lldpd19:32:232
187709977,0cyclictest522-21avahi-daemon23:58:192
187709977,0cyclictest30496-21cut22:15:142
187709976,1cyclictest743-21snmpd22:50:512
187709976,1cyclictest743-21snmpd20:17:552
187709976,1cyclictest743-21snmpd00:25:512
187709976,1cyclictest522-21avahi-daemon21:06:152
187709976,1cyclictest14632-21gltestperf00:15:122
187709975,2cyclictest743-21snmpd23:27:512
187709975,2cyclictest743-21snmpd22:42:152
187709975,2cyclictest743-21snmpd22:13:022
187709975,2cyclictest743-21snmpd21:28:522
187709975,2cyclictest743-21snmpd20:56:082
187709975,2cyclictest743-21snmpd19:20:232
187709975,2cyclictest31941-21cat19:40:162
187709975,2cyclictest21188-21cat00:30:142
187709973,3cyclictest18020-21ntpq20:25:172
187709972,5cyclictest557-21NetworkManager23:48:072
187659977,0cyclictest741-21lldpd22:51:511
187659977,0cyclictest741-21lldpd20:45:051
187659977,0cyclictest741-21lldpd20:08:141
187659977,0cyclictest741-21lldpd20:02:261
187659977,0cyclictest522-21avahi-daemon23:16:461
187659977,0cyclictest506-21systemd-resolve20:35:331
187659977,0cyclictest506-21systemd-resolve20:35:331
187659976,1cyclictest743-21snmpd23:39:551
187659976,1cyclictest743-21snmpd21:31:161
187659976,1cyclictest743-21snmpd20:34:141
187659976,1cyclictest743-21snmpd20:10:221
187659976,1cyclictest522-21avahi-daemon19:30:081
187659976,1cyclictest506-21systemd-resolve19:20:221
187659976,1cyclictest4003-21fschecks_count22:30:131
187659975,2cyclictest9992-21cat21:25:141
187659975,2cyclictest7963-21cat21:20:141
187659975,2cyclictest743-21snmpd22:22:351
187659975,2cyclictest743-21snmpd22:12:131
187659975,2cyclictest743-21snmpd21:58:071
187659975,2cyclictest743-21snmpd20:51:191
187659975,2cyclictest743-21snmpd20:19:371
187659975,2cyclictest743-21snmpd00:32:001
187659974,3cyclictest557-21NetworkManager00:25:191
187609977,0cyclictest65850irq/126-lan00:32:120
187749966,0cyclictest743-21snmpd00:16:403
187749966,0cyclictest741-21lldpd21:55:423
187749966,0cyclictest741-21lldpd19:27:003
187749966,0cyclictest741-21lldpd19:22:283
187749966,0cyclictest573-21in:imuxsock23:12:313
187749966,0cyclictest506-21systemd-resolve21:51:503
187749965,1cyclictest28484-21cat23:30:143
187749965,1cyclictest12282-21ntp_kernel_err21:30:173
187749964,2cyclictest1897-21cat21:05:143
187749962,3cyclictest244-20systemd-journal00:36:453
187749962,3cyclictest16847-21sed23:00:183
187709966,0cyclictest743-21snmpd23:44:342
187709966,0cyclictest743-21snmpd21:41:282
187709966,0cyclictest741-21lldpd22:06:412
187709966,0cyclictest741-21lldpd19:15:532
187709966,0cyclictest741-21lldpd00:12:162
187709966,0cyclictest741-21lldpd00:08:402
187709966,0cyclictest539-21polkitd00:00:072
187709966,0cyclictest522-21avahi-daemon23:37:172
187709966,0cyclictest522-21avahi-daemon20:47:552
187709966,0cyclictest522-21avahi-daemon19:50:422
187709965,1cyclictest743-21snmpd22:30:412
187709965,1cyclictest522-21avahi-daemon23:10:112
187709965,1cyclictest3552-21cpuspeed_turbos21:10:122
187709965,1cyclictest28007-21fschecks_count20:50:132
187709964,2cyclictest743-21snmpd23:31:582
187709964,2cyclictest743-21snmpd22:23:042
187709964,2cyclictest743-21snmpd21:38:272
187709964,2cyclictest743-21snmpd19:27:142
187659966,0cyclictest743-21snmpd23:11:541
187659966,0cyclictest743-21snmpd20:58:351
187659966,0cyclictest741-21lldpd23:50:161
187659966,0cyclictest741-21lldpd21:46:561
187659966,0cyclictest741-21lldpd00:18:461
187659965,1cyclictest743-21snmpd23:56:021
187659965,1cyclictest743-21snmpd19:50:141
187659965,1cyclictest743-21snmpd00:14:561
187659964,2cyclictest743-21snmpd23:34:131
187659962,3cyclictest16793-21ntp_states23:00:171
187609965,1cyclictest65850irq/126-lan22:55:180
187609965,1cyclictest65850irq/126-lan22:35:120
187749955,0cyclictest741-21lldpd22:04:523
187749955,0cyclictest522-21avahi-daemon23:53:513
187749954,1cyclictest11939-21ntpq20:10:183
187749954,1cyclictest0-21swapper/323:05:133
187749953,2cyclictest743-21snmpd21:29:493
187749953,2cyclictest13570-21apt-get21:35:113
187749952,3cyclictest743-21snmpd22:19:143
187749952,2cyclictest3961-21cat19:50:163
187749951,3cyclictest29770-21fw_conntrack19:35:153
187749951,3cyclictest26802-21grep23:25:173
187749951,3cyclictest1983-21ntp_states19:45:153
187749950,4cyclictest8302-21ntpq21:20:173
187749950,4cyclictest7958-21ntpq20:00:163
187709955,0cyclictest522-21avahi-daemon23:54:412
187709955,0cyclictest522-21avahi-daemon23:06:362
187709955,0cyclictest522-21avahi-daemon21:45:272
187709954,1cyclictest741-21lldpd20:35:272
187709954,1cyclictest741-21lldpd20:35:262
187709953,2cyclictest743-21snmpd22:37:212
187709952,3cyclictest801-21grep21:00:232
187709952,2cyclictest22505-21turbostat.cron00:39:552
187709952,2cyclictest13073-21grep20:15:012
187709950,4cyclictest7192-21apt-get20:00:112
187709950,4cyclictest5980-21ntpq19:55:172
187709950,4cyclictest10440-21memory22:45:152
187659955,0cyclictest741-21lldpd00:20:001
187659955,0cyclictest741-21lldpd00:05:561
187659954,1cyclictest24410-21gltestperf22:00:151
187659954,1cyclictest18680-21ntpq23:05:161
187659954,1cyclictest0-21swapper/120:20:131
187659952,2cyclictest27787-21cron23:29:591
187659951,3cyclictest21311-21grep21:50:211
187749943,1cyclictest9657-21irqstats20:05:133
187749942,2cyclictest743-21snmpd20:55:023
187749940,3cyclictest15558-21fw_conntrack20:20:143
187709940,4cyclictest23802-21irqstats20:40:142
187709940,3cyclictest16104-21diskstats23:00:122
187659942,2cyclictest5586-21cat19:55:141
187659942,2cyclictest19022-21cat19:10:111
187659941,2cyclictest8430-21wc22:40:151
187659941,2cyclictest30840-21awk22:15:151
187659940,3cyclictest32534-21if_lan23:40:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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