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2026-04-16 - 23:30

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 Thu Apr 16, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20152991918,1cyclictest65850irq/126-lan10:20:161
20152991918,1cyclictest65850irq/126-lan09:00:121
20152991818,0cyclictest65850irq/126-lan11:50:181
20152991817,1cyclictest65850irq/126-lan10:40:141
20152991817,1cyclictest65850irq/126-lan07:45:131
20152991717,0cyclictest65850irq/126-lan12:16:461
20152991717,0cyclictest65850irq/126-lan12:10:161
20152991717,0cyclictest65850irq/126-lan09:45:131
20152991717,0cyclictest65850irq/126-lan07:34:151
20152991716,1cyclictest65850irq/126-lan12:35:151
20152991716,1cyclictest65850irq/126-lan11:10:211
20152991716,1cyclictest65850irq/126-lan11:00:001
20152991716,1cyclictest65850irq/126-lan10:00:131
20152991716,1cyclictest65850irq/126-lan08:05:151
20152991616,0cyclictest65850irq/126-lan12:00:111
20152991616,0cyclictest65850irq/126-lan11:22:221
20152991616,0cyclictest65850irq/126-lan09:18:341
20152991616,0cyclictest65850irq/126-lan07:25:171
20152991615,1cyclictest65850irq/126-lan10:45:131
20152991615,1cyclictest65850irq/126-lan10:30:201
20152991615,1cyclictest65850irq/126-lan09:20:201
20152991615,1cyclictest65850irq/126-lan09:10:001
20152991615,1cyclictest65850irq/126-lan08:55:181
20152991615,1cyclictest65850irq/126-lan08:30:171
20152991615,1cyclictest65850irq/126-lan07:55:131
20152991614,1cyclictest65850irq/126-lan09:10:111
20152991515,0cyclictest65850irq/126-lan09:35:181
20152991515,0cyclictest65850irq/126-lan08:35:201
20152991515,0cyclictest65850irq/126-lan07:51:001
20152991514,1cyclictest65850irq/126-lan10:10:161
20152991514,1cyclictest65850irq/126-lan09:55:121
20152991514,1cyclictest65850irq/126-lan09:30:111
20152991514,1cyclictest65850irq/126-lan09:25:181
20152991514,1cyclictest65850irq/126-lan08:45:031
20152991514,1cyclictest65850irq/126-lan07:15:171
20152991414,0cyclictest65850irq/126-lan10:35:201
20152991414,0cyclictest65850irq/126-lan08:50:131
20152991414,0cyclictest65850irq/126-lan08:40:211
20152991413,1cyclictest65850irq/126-lan12:20:211
20152991413,1cyclictest65850irq/126-lan11:15:181
20152991413,1cyclictest65850irq/126-lan10:50:131
20152991413,1cyclictest65850irq/126-lan10:05:151
20152991413,1cyclictest65850irq/126-lan08:10:131
20152991413,1cyclictest65850irq/126-lan08:00:121
20152991313,0cyclictest65850irq/126-lan07:35:131
20152991312,1cyclictest65850irq/126-lan11:40:131
20152991312,1cyclictest65850irq/126-lan11:40:001
20152991312,1cyclictest65850irq/126-lan11:00:221
20152991212,0cyclictest65850irq/126-lan12:25:091
20152991212,0cyclictest65850irq/126-lan09:50:151
20152991212,0cyclictest65850irq/126-lan09:40:101
20152991212,0cyclictest65850irq/126-lan08:17:001
20152991211,1cyclictest65850irq/126-lan11:30:161
20152991211,1cyclictest65850irq/126-lan11:25:221
20152991211,1cyclictest65850irq/126-lan11:05:131
20152991110,1cyclictest65850irq/126-lan12:05:141
20152991110,1cyclictest65850irq/126-lan12:00:001
20152991110,1cyclictest65850irq/126-lan10:25:201
2015299109,1cyclictest65850irq/126-lan12:31:211
2015299109,1cyclictest65850irq/126-lan07:15:001
20152991010,0cyclictest65850irq/126-lan08:25:161
201629999,0cyclictest741-21lldpd10:16:053
201629998,1cyclictest743-21snmpd08:03:453
201579998,1cyclictest743-21snmpd11:07:112
201579998,1cyclictest743-21snmpd09:47:472
201579998,1cyclictest743-21snmpd09:37:112
201579998,1cyclictest741-21lldpd10:51:102
201529998,1cyclictest741-21lldpd11:47:211
201529998,1cyclictest65850irq/126-lan08:20:171
201479998,1cyclictest743-21snmpd09:15:280
201479998,1cyclictest522-21avahi-daemon08:05:420
201479996,2cyclictest17446-21grep08:20:130
201629988,0cyclictest743-21snmpd09:50:563
201629988,0cyclictest743-21snmpd09:40:473
201629988,0cyclictest743-21snmpd07:52:253
201629988,0cyclictest741-21lldpd12:04:353
201629988,0cyclictest741-21lldpd11:22:423
201629988,0cyclictest741-21lldpd10:13:073
201629988,0cyclictest741-21lldpd09:37:093
201629988,0cyclictest741-21lldpd07:49:463
201629987,1cyclictest743-21snmpd07:26:483
201629987,1cyclictest741-21lldpd11:43:393
201629987,1cyclictest741-21lldpd07:30:323
201629987,1cyclictest27846-21needreboot08:45:153
201629986,2cyclictest743-21snmpd11:29:363
201629986,2cyclictest743-21snmpd10:37:343
201629986,2cyclictest743-21snmpd08:50:393
201629986,2cyclictest743-21snmpd07:36:543
201579988,0cyclictest743-21snmpd08:44:122
201579988,0cyclictest741-21lldpd08:19:002
201579987,1cyclictest743-21snmpd11:53:182
201579987,1cyclictest741-21lldpd10:57:082
201579987,1cyclictest741-21lldpd08:21:522
201579986,2cyclictest743-21snmpd08:30:412
201529987,1cyclictest743-21snmpd10:18:001
201529987,1cyclictest65850irq/126-lan07:20:131
201479988,0cyclictest743-21snmpd10:20:270
201479988,0cyclictest741-21lldpd10:47:510
201479988,0cyclictest741-21lldpd08:54:180
201479987,1cyclictest743-21snmpd10:52:100
201479987,1cyclictest743-21snmpd10:04:420
201479987,1cyclictest743-21snmpd08:19:350
201479987,1cyclictest522-21avahi-daemon10:09:020
201479987,1cyclictest21230-21fschecks_time12:25:110
201479986,2cyclictest743-21snmpd09:50:500
201479986,2cyclictest743-21snmpd08:27:590
201629977,0cyclictest743-21snmpd11:56:033
201629977,0cyclictest743-21snmpd09:21:433
201629977,0cyclictest743-21snmpd08:59:543
201629977,0cyclictest743-21snmpd08:29:173
201629977,0cyclictest743-21snmpd07:57:103
201629977,0cyclictest741-21lldpd11:07:443
201629977,0cyclictest741-21lldpd10:51:123
201629977,0cyclictest741-21lldpd09:16:383
201629977,0cyclictest741-21lldpd09:05:533
201629977,0cyclictest741-21lldpd08:17:533
201629975,2cyclictest743-21snmpd12:05:013
201629975,2cyclictest743-21snmpd11:47:573
201629975,2cyclictest743-21snmpd11:33:093
201629975,2cyclictest743-21snmpd11:15:533
201629975,2cyclictest743-21snmpd09:30:563
201629975,2cyclictest743-21snmpd07:20:393
201629973,3cyclictest21511-21grep08:30:133
201629973,3cyclictest16575-21sshd10:55:183
201579977,0cyclictest743-21snmpd11:25:562
201579977,0cyclictest743-21snmpd10:09:182
201579977,0cyclictest743-21snmpd08:11:262
201579977,0cyclictest743-21snmpd08:05:252
201579977,0cyclictest741-21lldpd12:33:112
201579977,0cyclictest741-21lldpd12:15:312
201579977,0cyclictest741-21lldpd12:01:352
201579977,0cyclictest522-21avahi-daemon07:11:322
201579976,1cyclictest743-21snmpd07:22:002
201579976,1cyclictest741-21lldpd08:28:322
201579976,1cyclictest5550-21gltestperf10:30:152
201579976,1cyclictest4170-21cut11:45:002
201579975,2cyclictest743-21snmpd11:55:512
201579975,2cyclictest743-21snmpd08:35:332
201579974,3cyclictest743-21snmpd07:35:452
201579972,5cyclictest557-21NetworkManager12:08:542
201479977,0cyclictest743-21snmpd11:50:270
201479977,0cyclictest743-21snmpd11:34:540
201479977,0cyclictest741-21lldpd07:10:090
201479976,1cyclictest743-21snmpd09:26:450
201479976,1cyclictest743-21snmpd09:07:280
201479976,1cyclictest5583-21head10:30:150
201479976,1cyclictest522-21avahi-daemon07:48:540
201479976,1cyclictest28846-21cat07:30:120
201479975,2cyclictest743-21snmpd12:04:580
201479975,2cyclictest743-21snmpd09:35:110
201479975,2cyclictest743-21snmpd07:55:010
201479975,2cyclictest743-21snmpd07:27:300
201479974,3cyclictest743-21snmpd11:23:050
201629966,0cyclictest743-21snmpd12:36:023
201629966,0cyclictest743-21snmpd12:33:533
201629966,0cyclictest741-21lldpd11:11:203
201629966,0cyclictest741-21lldpd10:24:233
201629966,0cyclictest741-21lldpd10:09:493
201629966,0cyclictest522-21avahi-daemon09:14:273
201629966,0cyclictest20752-21idleruntime-cro12:25:003
201629965,1cyclictest741-21lldpd09:00:003
201629965,1cyclictest522-21avahi-daemon09:28:163
201629965,1cyclictest522-21avahi-daemon08:44:593
201629965,1cyclictest32590-21cpuspeed_turbos07:40:113
201629964,2cyclictest743-21snmpd12:12:313
201629964,2cyclictest743-21snmpd10:40:463
201579966,0cyclictest743-21snmpd09:30:412
201579966,0cyclictest522-21avahi-daemon12:21:202
201579966,0cyclictest522-21avahi-daemon09:19:062
201579966,0cyclictest522-21avahi-daemon08:53:062
201579965,1cyclictest743-21snmpd07:40:072
201579965,1cyclictest15802-21nvmesmart_nvme012:10:162
201579964,2cyclictest743-21snmpd11:17:532
201579964,2cyclictest743-21snmpd10:46:222
201579964,2cyclictest743-21snmpd09:28:312
201579964,2cyclictest743-21snmpd07:16:112
201579962,4cyclictest557-21NetworkManager09:56:502
201579962,3cyclictest3856-21awk07:45:192
201579962,3cyclictest29803-21grep10:10:122
201579962,3cyclictest244-20systemd-journal07:25:122
201579960,4cyclictest32042-21ntpq08:55:162
201479966,0cyclictest743-21snmpd11:27:380
201479966,0cyclictest741-21lldpd11:03:420
201479966,0cyclictest741-21lldpd09:43:400
201479966,0cyclictest522-21avahi-daemon12:14:240
201479965,1cyclictest522-21avahi-daemon12:08:540
201479965,1cyclictest4655-21cpuspeed_turbos07:50:120
201479964,2cyclictest743-21snmpd12:39:080
201479964,2cyclictest743-21snmpd11:40:540
201479964,2cyclictest743-21snmpd11:16:290
201479964,2cyclictest743-21snmpd10:57:550
201479964,2cyclictest743-21snmpd10:26:510
201479964,2cyclictest743-21snmpd08:10:140
201479964,2cyclictest743-21snmpd07:44:430
201479964,2cyclictest743-21snmpd07:15:230
201479964,2cyclictest23938-21cat09:55:140
201479963,3cyclictest743-21snmpd10:17:210
201479963,2cyclictest717-21ntpd08:40:170
201479963,2cyclictest717-21ntpd08:00:160
201479962,3cyclictest8615-21diskstats11:55:130
201479962,2cyclictest761-21cat09:00:000
201629955,0cyclictest743-21snmpd07:16:483
201629955,0cyclictest741-21lldpd10:33:443
201629955,0cyclictest741-21lldpd09:45:553
201629954,1cyclictest522-21avahi-daemon08:23:013
201629953,2cyclictest743-21snmpd11:02:443
201629953,2cyclictest743-21snmpd08:37:273
201629952,3cyclictest23784-21cut09:55:123
201629952,2cyclictest244-20systemd-journal07:13:033
201629952,2cyclictest18270-21sed12:15:203
201629952,2cyclictest11504-21ntpq08:05:183
201629950,4cyclictest1083-21ntpq11:35:173
201579955,0cyclictest741-21lldpd12:28:252
201579955,0cyclictest741-21lldpd11:00:302
201579955,0cyclictest506-21systemd-resolve07:56:322
201579954,1cyclictest3307-21cpuspeed_turbos10:25:112
201579954,1cyclictest17732-21fschecks_time09:40:132
201579954,1cyclictest1429-21fschecks_count10:20:112
201579954,1cyclictest1147-21fschecks_time09:00:112
201579954,1cyclictest0-21swapper/208:45:132
201579953,2cyclictest743-21snmpd11:24:322
201579953,2cyclictest743-21snmpd11:14:382
201579953,2cyclictest743-21snmpd09:07:032
201579952,3cyclictest557-21NetworkManager08:04:352
201579952,2cyclictest743-21snmpd09:14:462
201579952,2cyclictest31643-21cat10:15:122
201579952,2cyclictest10671-21vmstat10:40:212
201579952,2cyclictest10174-21ld09:20:162
201579951,3cyclictest557-21NetworkManager11:45:022
201579951,3cyclictest32105-21users11:30:212
201579950,4cyclictest7979-21ntpq10:35:172
201529953,2cyclictest743-21snmpd07:42:221
201479955,0cyclictest743-21snmpd09:13:220
201479953,2cyclictest743-21snmpd10:35:310
201479953,2cyclictest743-21snmpd09:32:410
201479953,2cyclictest743-21snmpd08:46:180
201479952,2cyclictest4643-21tune2fs11:45:130
201479952,2cyclictest31154-21ntp_kernel_err07:35:170
201479952,2cyclictest21408-21timerandwakeup11:05:210
201479952,2cyclictest21343-21forks08:30:130
201479952,2cyclictest10352-21ps09:20:180
201479951,3cyclictest20034-21memory09:45:140
201479951,3cyclictest10506-21wc10:40:200
201479950,4cyclictest19153-21diskstats12:20:130
201629942,2cyclictest4521-21sed10:25:203
201629941,3cyclictest557-21NetworkManager08:12:533
201629941,2cyclictest11459-21dpkg10:45:003
201629940,4cyclictest6721-21fw_conntrack11:50:133
201629940,4cyclictest21764-21ntpq12:25:143
201629940,3cyclictest26842-21seq10:00:203
201579942,2cyclictest743-21snmpd12:35:022
201579942,2cyclictest28951-21sed07:30:132
201579941,2cyclictest4781-21tune2fs07:50:122
201579941,2cyclictest301-21cpu11:35:132
201579940,4cyclictest22208-21ntpq09:50:142
201579940,3cyclictest26098-21memory10:00:142
201479943,1cyclictest0-21swapper/012:30:130
201479942,2cyclictest24660-21grep07:20:120
201479942,2cyclictest20141-21cyclictest12:15:110
201479941,3cyclictest557-21NetworkManager09:00:050
201479941,2cyclictest22916-21strings11:10:160
201479940,4cyclictest23922-21ntpq08:35:160
201479940,4cyclictest1186-21ntpq11:35:180
201479940,3cyclictest29862-21fw_packets10:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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