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2026-06-21 - 08:58

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 Sun Jun 21, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29699991818,0cyclictest65850irq/126-lan22:37:260
29699991818,0cyclictest65850irq/126-lan21:22:370
29699991818,0cyclictest65850irq/126-lan19:15:120
29699991817,1cyclictest65850irq/126-lan22:25:140
29699991817,1cyclictest65850irq/126-lan22:15:170
29699991817,1cyclictest65850irq/126-lan19:25:140
29699991717,0cyclictest65850irq/126-lan20:40:170
29699991717,0cyclictest65850irq/126-lan20:10:160
29699991717,0cyclictest65850irq/126-lan19:57:220
29699991717,0cyclictest65850irq/126-lan19:45:190
29699991717,0cyclictest65850irq/126-lan19:33:230
29699991717,0cyclictest65850irq/126-lan00:20:220
29699991616,0cyclictest65850irq/126-lan23:32:320
29699991616,0cyclictest65850irq/126-lan23:10:090
29699991616,0cyclictest65850irq/126-lan22:45:140
29699991616,0cyclictest65850irq/126-lan22:20:140
29699991616,0cyclictest65850irq/126-lan21:55:210
29699991616,0cyclictest65850irq/126-lan20:30:190
29699991616,0cyclictest65850irq/126-lan19:50:180
29699991616,0cyclictest65850irq/126-lan00:30:130
29699991615,1cyclictest65850irq/126-lan21:45:130
29699991615,1cyclictest65850irq/126-lan20:05:150
29699991615,1cyclictest65850irq/126-lan19:20:100
29699991615,1cyclictest65850irq/126-lan00:10:200
29699991615,1cyclictest65850irq/126-lan00:10:200
29699991615,1cyclictest65850irq/126-lan00:05:150
29699991515,0cyclictest65850irq/126-lan22:56:220
29699991515,0cyclictest65850irq/126-lan21:30:150
29699991515,0cyclictest65850irq/126-lan21:15:120
29699991515,0cyclictest65850irq/126-lan21:00:150
29699991515,0cyclictest65850irq/126-lan19:41:230
29699991514,1cyclictest65850irq/126-lan23:55:160
29699991514,1cyclictest65850irq/126-lan23:35:210
29699991514,1cyclictest65850irq/126-lan22:40:160
29699991514,1cyclictest65850irq/126-lan21:10:210
29699991514,1cyclictest65850irq/126-lan21:05:100
29699991514,1cyclictest65850irq/126-lan20:00:120
29699991514,1cyclictest65850irq/126-lan00:35:180
29699991414,0cyclictest65850irq/126-lan23:49:390
29699991414,0cyclictest65850irq/126-lan20:45:160
29699991414,0cyclictest65850irq/126-lan20:20:140
29699991413,1cyclictest65850irq/126-lan23:25:110
29699991413,1cyclictest65850irq/126-lan23:05:150
29699991413,1cyclictest65850irq/126-lan22:30:180
29699991413,1cyclictest65850irq/126-lan22:00:130
29699991413,1cyclictest65850irq/126-lan21:40:200
29699991413,1cyclictest65850irq/126-lan19:10:120
29699991413,1cyclictest65850irq/126-lan00:25:150
29699991313,0cyclictest65850irq/126-lan20:55:200
29699991313,0cyclictest65850irq/126-lan20:25:130
29699991312,1cyclictest65850irq/126-lan22:50:220
29699991312,1cyclictest65850irq/126-lan20:35:160
29699991312,1cyclictest65850irq/126-lan20:15:150
29699991312,1cyclictest65850irq/126-lan00:15:180
29699991212,0cyclictest65850irq/126-lan23:00:160
29699991212,0cyclictest65850irq/126-lan20:52:350
29699991211,1cyclictest65850irq/126-lan23:20:020
29699991111,0cyclictest65850irq/126-lan23:50:170
29699991111,0cyclictest65850irq/126-lan21:26:330
29699991111,0cyclictest65850irq/126-lan19:35:210
29699991110,1cyclictest65850irq/126-lan21:35:150
29699991110,1cyclictest65850irq/126-lan21:35:150
29699991110,1cyclictest65850irq/126-lan00:00:160
29704991010,0cyclictest506-21systemd-resolve23:08:201
297099998,1cyclictest743-21snmpd22:23:032
297099998,1cyclictest743-21snmpd22:06:382
297099998,1cyclictest743-21snmpd21:58:272
297099998,1cyclictest743-21snmpd00:16:292
297099998,1cyclictest741-21lldpd19:19:202
297049999,0cyclictest743-21snmpd21:45:161
297049998,1cyclictest741-21lldpd19:20:341
297049998,1cyclictest12452-21cpuspeed_turbos21:05:101
296999999,0cyclictest65850irq/126-lan22:10:120
296999999,0cyclictest65850irq/126-lan22:05:190
296999998,1cyclictest65850irq/126-lan21:50:220
297149988,0cyclictest743-21snmpd22:56:403
297149988,0cyclictest743-21snmpd22:35:573
297149988,0cyclictest743-21snmpd22:18:123
297149988,0cyclictest743-21snmpd22:04:443
297149988,0cyclictest741-21lldpd22:27:563
297149988,0cyclictest741-21lldpd22:13:213
297149987,1cyclictest743-21snmpd20:13:083
297149987,1cyclictest741-21lldpd19:46:523
297149987,1cyclictest24567-21cut21:35:113
297149987,1cyclictest24567-21cut21:35:113
297149986,2cyclictest743-21snmpd23:19:453
297149986,2cyclictest743-21snmpd21:22:253
297149986,2cyclictest743-21snmpd20:47:563
297149986,2cyclictest743-21snmpd19:35:213
297099988,0cyclictest743-21snmpd23:23:412
297099988,0cyclictest743-21snmpd22:41:042
297099988,0cyclictest743-21snmpd21:51:502
297099988,0cyclictest741-21lldpd23:45:012
297099988,0cyclictest741-21lldpd20:40:272
297099988,0cyclictest741-21lldpd20:39:452
297099988,0cyclictest741-21lldpd00:03:372
297099987,1cyclictest743-21snmpd22:03:142
297099987,1cyclictest743-21snmpd21:09:512
297099987,1cyclictest743-21snmpd19:52:122
297099987,1cyclictest741-21lldpd23:14:052
297099986,2cyclictest743-21snmpd21:16:582
297099986,2cyclictest743-21snmpd00:26:522
297099986,2cyclictest743-21snmpd00:06:502
297049988,0cyclictest743-21snmpd20:32:331
297049988,0cyclictest743-21snmpd20:27:051
297049988,0cyclictest743-21snmpd20:07:161
297049988,0cyclictest743-21snmpd20:02:101
297049988,0cyclictest743-21snmpd19:19:081
297049988,0cyclictest743-21snmpd19:12:121
297049987,1cyclictest743-21snmpd22:29:151
297049987,1cyclictest743-21snmpd19:35:421
297049987,1cyclictest741-21lldpd19:50:531
297049987,1cyclictest557-21NetworkManager19:55:231
297049986,2cyclictest743-21snmpd00:26:311
297049986,2cyclictest16849-21cat21:15:151
296999988,0cyclictest65850irq/126-lan23:42:330
297149977,0cyclictest743-21snmpd23:08:353
297149977,0cyclictest743-21snmpd21:19:283
297149977,0cyclictest743-21snmpd00:13:503
297149977,0cyclictest743-21snmpd00:13:493
297149977,0cyclictest741-21lldpd23:49:373
297149977,0cyclictest741-21lldpd21:46:483
297149977,0cyclictest741-21lldpd20:35:153
297149977,0cyclictest741-21lldpd00:30:293
297149976,1cyclictest743-21snmpd23:55:393
297149976,1cyclictest743-21snmpd23:20:023
297149976,1cyclictest743-21snmpd23:12:293
297149976,1cyclictest743-21snmpd21:53:443
297149976,1cyclictest743-21snmpd19:54:303
297149976,1cyclictest741-21lldpd19:19:223
297149976,1cyclictest1849-21gltestperf19:20:123
297149975,2cyclictest743-21snmpd21:57:033
297149975,2cyclictest743-21snmpd19:44:393
297149975,2cyclictest21201-21cat22:45:143
297099977,0cyclictest743-21snmpd21:31:292
297099977,0cyclictest743-21snmpd00:20:582
297099977,0cyclictest741-21lldpd23:29:562
297099977,0cyclictest741-21lldpd23:00:382
297099977,0cyclictest741-21lldpd21:02:452
297099977,0cyclictest741-21lldpd20:47:292
297099977,0cyclictest741-21lldpd20:32:172
297099977,0cyclictest741-21lldpd20:19:532
297099977,0cyclictest741-21lldpd19:59:402
297099977,0cyclictest741-21lldpd19:36:182
297099977,0cyclictest741-21lldpd00:35:082
297099976,1cyclictest741-21lldpd00:33:212
297099976,1cyclictest741-21lldpd00:15:052
297099976,1cyclictest741-21lldpd00:15:042
297099975,2cyclictest743-21snmpd22:12:302
297099975,2cyclictest743-21snmpd21:49:472
297099975,2cyclictest743-21snmpd21:42:052
297099975,2cyclictest743-21snmpd20:21:282
297049977,0cyclictest743-21snmpd23:10:441
297049977,0cyclictest743-21snmpd22:34:311
297049977,0cyclictest743-21snmpd20:50:051
297049977,0cyclictest743-21snmpd20:13:161
297049977,0cyclictest743-21snmpd00:11:581
297049977,0cyclictest743-21snmpd00:11:581
297049977,0cyclictest741-21lldpd23:56:581
297049977,0cyclictest741-21lldpd23:45:431
297049977,0cyclictest741-21lldpd20:56:391
297049977,0cyclictest741-21lldpd20:46:221
297049976,1cyclictest741-21lldpd21:26:161
297049976,1cyclictest741-21lldpd21:21:041
297049975,2cyclictest743-21snmpd22:59:521
297049975,2cyclictest743-21snmpd22:39:091
297049975,2cyclictest743-21snmpd00:16:261
296999977,0cyclictest65850irq/126-lan23:15:190
297149966,0cyclictest743-21snmpd21:25:373
297149966,0cyclictest743-21snmpd20:20:073
297149966,0cyclictest741-21lldpd23:40:503
297149966,0cyclictest741-21lldpd22:22:233
297149965,1cyclictest743-21snmpd20:30:473
297149965,1cyclictest743-21snmpd00:36:473
297149965,1cyclictest506-21systemd-resolve21:10:153
297149965,1cyclictest23799-21cpuspeed_turbos20:15:123
297149964,2cyclictest743-21snmpd22:30:363
297149964,2cyclictest743-21snmpd21:44:473
297149964,2cyclictest743-21snmpd19:57:293
297149963,3cyclictest26996-21diskstats23:00:123
297149963,3cyclictest18929-21diskstats22:40:133
297149961,5cyclictest557-21NetworkManager20:04:123
297099966,0cyclictest743-21snmpd22:30:402
297099966,0cyclictest743-21snmpd19:29:162
297099966,0cyclictest741-21lldpd21:14:062
297099966,0cyclictest741-21lldpd20:10:042
297099965,1cyclictest743-21snmpd21:35:342
297099965,1cyclictest743-21snmpd21:35:342
297099965,1cyclictest741-21lldpd20:50:012
297099964,2cyclictest743-21snmpd23:41:422
297099964,2cyclictest743-21snmpd23:08:562
297099964,2cyclictest743-21snmpd22:17:042
297099963,3cyclictest557-21NetworkManager20:55:122
297099962,3cyclictest12879-21sed19:45:192
297049966,0cyclictest743-21snmpd00:31:421
297049966,0cyclictest741-21lldpd20:43:291
297049966,0cyclictest506-21systemd-resolve21:53:531
297049965,1cyclictest522-21avahi-daemon23:18:071
297049964,2cyclictest743-21snmpd23:53:401
297049964,2cyclictest743-21snmpd21:31:171
297049964,2cyclictest6987-21cat23:30:131
297049964,2cyclictest6003-21cat19:30:141
297049963,3cyclictest557-21NetworkManager22:50:121
297049963,3cyclictest557-21NetworkManager19:40:141
297049963,3cyclictest27551-21sensors_temp21:40:211
297049963,2cyclictest15003-21cat21:10:151
297049963,2cyclictest11229-21sed21:00:211
297149955,0cyclictest743-21snmpd23:50:123
297149955,0cyclictest741-21lldpd23:25:053
297149955,0cyclictest741-21lldpd21:31:093
297149955,0cyclictest522-21avahi-daemon19:14:413
297149955,0cyclictest522-21avahi-daemon00:19:223
297149954,1cyclictest743-21snmpd22:05:443
297149953,2cyclictest743-21snmpd22:51:193
297149952,3cyclictest557-21NetworkManager00:00:443
297149952,2cyclictest6200-21grep20:50:133
297149952,2cyclictest575-21rs:main3
297149952,2cyclictest29544-21grep20:25:223
297149951,3cyclictest6689-21expr23:30:113
297149951,3cyclictest6132-21memory19:30:143
297149950,2cyclictest1235450/usr/sbin/munin21:05:133
297099954,1cyclictest22862-21cpuspeed_turbos22:50:122
297099954,1cyclictest21149-21gltestperf22:45:142
297099953,2cyclictest743-21snmpd23:57:122
297099953,2cyclictest17058-21grep22:35:122
297099952,2cyclictest25569-21ntpq22:55:172
297099951,3cyclictest7197-21tail23:30:142
297099950,4cyclictest2276-21ntpq19:20:152
297099950,4cyclictest13085-21grep22:25:132
297099950,4cyclictest1215-21ntpq23:15:182
297049955,0cyclictest741-21lldpd22:23:071
297049955,0cyclictest522-21avahi-daemon22:11:011
297049955,0cyclictest522-21avahi-daemon22:06:411
297049955,0cyclictest1133-21fschecks_time00:35:121
297049955,0cyclictest0-21swapper/122:05:011
297049954,1cyclictest741-21lldpd19:45:041
297049954,1cyclictest25241-21ntpq21:35:161
297049954,1cyclictest25241-21ntpq21:35:161
297049953,2cyclictest743-21snmpd22:16:521
297049953,2cyclictest557-21NetworkManager20:35:001
297049953,2cyclictest4551-21grep23:25:111
297049953,2cyclictest26118-21cat20:20:001
297049953,2cyclictest23727-21apt-get20:15:111
297049952,3cyclictest8812-21fschecks_time23:35:121
297049952,3cyclictest557-21NetworkManager22:40:001
297049952,2cyclictest3545-21cat19:25:121
297049952,2cyclictest28594-21seq00:20:251
297049952,2cyclictest27444-21sed23:00:151
297049952,2cyclictest22728-21seq00:07:491
297049952,2cyclictest11731-21wc23:40:191
297049951,4cyclictest557-21NetworkManager23:22:341
297049951,3cyclictest19735-21sed00:00:151
297149943,1cyclictest511ktimers/320:40:113
297149943,1cyclictest0-21swapper/320:55:113
297149942,2cyclictest21176-21wc00:05:113
297149941,3cyclictest19858-21df20:05:113
297149941,2cyclictest28520-21awk00:20:223
297149941,2cyclictest10369-21if_err_lan21:00:133
297149940,3cyclictest9260-21ntpq23:35:143
297149940,3cyclictest3731-21diskstats19:25:123
297099944,0cyclictest10450-21ntpq19:40:162
297099942,2cyclictest743-21snmpd19:30:062
297099942,2cyclictest557-21NetworkManager19:10:172
297099942,2cyclictest29102-21pmu-power20:25:182
297099942,2cyclictest21372-21pmu-power21:25:192
297099941,2cyclictest8764-21cut23:35:112
297099941,2cyclictest244-20systemd-journal20:07:042
297099941,2cyclictest18758-21grep21:20:142
297099940,4cyclictest18382-21nfs4_client20:00:142
297099940,4cyclictest15904-21ntpq23:50:172
297049940,3cyclictest21473-21ntp_192.168.11422:45:161
297049933,0cyclictest0-21swapper/121:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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