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2026-04-19 - 10:18

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 Sun Apr 19, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26315991918,1cyclictest65850irq/126-lan22:33:023
26315991918,1cyclictest65850irq/126-lan19:40:123
26315991918,1cyclictest65850irq/126-lan19:10:123
26315991817,1cyclictest65850irq/126-lan23:10:133
26315991817,1cyclictest65850irq/126-lan22:50:143
26315991817,1cyclictest65850irq/126-lan21:55:153
26315991817,1cyclictest65850irq/126-lan19:35:133
26315991717,0cyclictest65850irq/126-lan21:10:203
26315991717,0cyclictest65850irq/126-lan00:10:013
26315991716,1cyclictest65850irq/126-lan23:51:543
26315991716,1cyclictest65850irq/126-lan23:30:113
26315991716,1cyclictest65850irq/126-lan23:19:543
26315991716,1cyclictest65850irq/126-lan22:00:143
26315991716,1cyclictest65850irq/126-lan21:30:183
26315991616,0cyclictest65850irq/126-lan21:45:173
26315991616,0cyclictest65850irq/126-lan00:20:123
26315991615,1cyclictest65850irq/126-lan23:20:113
26315991615,1cyclictest65850irq/126-lan22:20:143
26315991615,1cyclictest65850irq/126-lan20:15:213
26315991615,1cyclictest65850irq/126-lan19:50:153
26315991615,1cyclictest65850irq/126-lan19:25:003
26315991615,1cyclictest65850irq/126-lan00:00:143
26315991515,0cyclictest65850irq/126-lan22:28:033
26315991515,0cyclictest65850irq/126-lan22:15:123
26315991515,0cyclictest65850irq/126-lan22:10:093
26315991515,0cyclictest65850irq/126-lan21:20:223
26315991514,1cyclictest65850irq/126-lan23:45:143
26315991514,1cyclictest65850irq/126-lan23:29:043
26315991514,1cyclictest65850irq/126-lan23:00:003
26315991514,1cyclictest65850irq/126-lan22:35:213
26315991514,1cyclictest65850irq/126-lan20:50:153
26315991514,1cyclictest65850irq/126-lan20:42:093
26315991514,1cyclictest65850irq/126-lan20:08:083
26315991514,1cyclictest65850irq/126-lan19:30:223
26315991414,0cyclictest65850irq/126-lan23:38:043
26315991414,0cyclictest65850irq/126-lan21:00:113
26315991414,0cyclictest65850irq/126-lan20:22:323
26315991414,0cyclictest65850irq/126-lan19:15:143
26315991414,0cyclictest65850irq/126-lan00:15:183
26315991413,1cyclictest65850irq/126-lan23:40:113
26315991413,1cyclictest65850irq/126-lan23:05:193
26315991413,1cyclictest65850irq/126-lan21:25:143
26315991413,1cyclictest65850irq/126-lan21:05:133
26315991413,1cyclictest65850irq/126-lan20:00:233
26315991413,1cyclictest65850irq/126-lan19:20:213
26315991413,1cyclictest65850irq/126-lan00:35:123
26315991413,1cyclictest65850irq/126-lan00:25:163
26315991413,1cyclictest65850irq/126-lan00:05:223
26315991313,0cyclictest65850irq/126-lan21:15:163
26315991313,0cyclictest65850irq/126-lan20:25:113
26315991312,1cyclictest65850irq/126-lan20:45:183
26315991312,1cyclictest65850irq/126-lan19:55:113
26315991312,1cyclictest65850irq/126-lan00:00:013
26315991212,0cyclictest65850irq/126-lan22:05:203
26315991212,0cyclictest65850irq/126-lan00:30:213
26315991211,1cyclictest65850irq/126-lan22:40:193
26315991211,1cyclictest65850irq/126-lan21:35:563
26315991211,1cyclictest65850irq/126-lan20:10:193
2631299128,1cyclictest743-21snmpd00:07:552
26315991111,0cyclictest65850irq/126-lan19:45:173
26315991110,1cyclictest65850irq/126-lan22:55:143
26315991110,1cyclictest65850irq/126-lan20:55:183
2631299118,3cyclictest743-21snmpd22:29:472
2631299118,3cyclictest743-21snmpd21:48:142
26315991010,0cyclictest65850irq/126-lan20:35:223
263159998,1cyclictest65850irq/126-lan20:30:143
263129998,1cyclictest743-21snmpd21:02:062
263129997,0cyclictest743-21snmpd22:20:092
263129997,0cyclictest743-21snmpd20:38:322
263129997,0cyclictest743-21snmpd00:20:202
263129997,0cyclictest741-21lldpd20:12:492
263129997,0cyclictest741-21lldpd19:35:112
263129996,1cyclictest743-21snmpd00:28:562
263079998,1cyclictest743-21snmpd22:39:101
263079998,1cyclictest743-21snmpd19:20:261
263039998,1cyclictest743-21snmpd23:38:240
263039998,1cyclictest743-21snmpd22:05:060
263039996,3cyclictest743-21snmpd20:32:590
263159988,0cyclictest65850irq/126-lan22:45:193
263159987,1cyclictest65850irq/126-lan21:40:123
263129988,0cyclictest743-21snmpd21:56:142
263129988,0cyclictest743-21snmpd00:00:142
263129988,0cyclictest741-21lldpd23:42:412
263129988,0cyclictest741-21lldpd22:40:042
263129988,0cyclictest741-21lldpd21:34:242
263129988,0cyclictest741-21lldpd21:10:562
263129987,1cyclictest8453-21cut19:45:002
263129987,1cyclictest743-21snmpd23:49:222
263129987,1cyclictest743-21snmpd21:50:362
263129987,1cyclictest743-21snmpd20:54:092
263129987,1cyclictest743-21snmpd19:29:362
263129987,1cyclictest741-21lldpd21:22:112
263129987,1cyclictest741-21lldpd19:18:562
263129986,2cyclictest743-21snmpd22:34:312
263129986,2cyclictest743-21snmpd22:11:012
263129986,2cyclictest743-21snmpd20:03:562
263129986,2cyclictest717-21ntpd22:00:212
263079988,0cyclictest743-21snmpd20:06:551
263079988,0cyclictest741-21lldpd23:56:121
263079988,0cyclictest741-21lldpd22:53:591
263079988,0cyclictest741-21lldpd21:08:411
263079987,1cyclictest743-21snmpd23:52:161
263079987,1cyclictest743-21snmpd23:15:171
263079987,1cyclictest743-21snmpd22:12:131
263079987,1cyclictest743-21snmpd21:33:251
263079987,1cyclictest741-21lldpd21:29:281
263079987,1cyclictest741-21lldpd20:37:261
263079986,2cyclictest743-21snmpd22:45:131
263079986,2cyclictest743-21snmpd22:42:021
263079986,2cyclictest743-21snmpd22:15:331
263079986,2cyclictest743-21snmpd21:58:241
263079986,2cyclictest743-21snmpd21:47:531
263079986,2cyclictest743-21snmpd00:10:551
263039988,0cyclictest743-21snmpd22:43:590
263039988,0cyclictest743-21snmpd21:45:470
263039988,0cyclictest743-21snmpd20:45:530
263039988,0cyclictest743-21snmpd19:30:030
263039988,0cyclictest741-21lldpd23:28:280
263039988,0cyclictest741-21lldpd23:21:000
263039988,0cyclictest741-21lldpd20:42:100
263039988,0cyclictest741-21lldpd20:14:190
263039988,0cyclictest741-21lldpd00:13:510
263039987,1cyclictest743-21snmpd21:41:590
263039987,1cyclictest743-21snmpd19:54:250
263039987,1cyclictest743-21snmpd19:47:210
263039987,1cyclictest741-21lldpd22:37:070
263039986,2cyclictest743-21snmpd23:47:010
263039986,2cyclictest743-21snmpd22:25:040
263039986,2cyclictest743-21snmpd22:18:450
263039986,2cyclictest743-21snmpd21:52:530
263039986,2cyclictest743-21snmpd21:28:380
263039986,2cyclictest743-21snmpd21:24:580
263039984,3cyclictest13579-21ntp_states19:55:160
263159974,3cyclictest27446-21perl21:50:133
263129977,0cyclictest741-21lldpd22:38:452
263129977,0cyclictest741-21lldpd19:58:112
263129977,0cyclictest741-21lldpd19:46:502
263129976,1cyclictest717-21ntpd20:15:122
263129976,1cyclictest5889-21fschecks_time23:35:122
263129976,1cyclictest522-21avahi-daemon20:05:162
263129976,1cyclictest27519-21needreboot20:30:142
263129975,2cyclictest743-21snmpd23:50:002
263129975,2cyclictest743-21snmpd21:18:542
263129975,2cyclictest717-21ntpd20:45:132
263129975,2cyclictest717-21ntpd19:10:132
263129975,2cyclictest23581-21cat21:40:142
263079977,0cyclictest743-21snmpd23:30:551
263079976,1cyclictest743-21snmpd23:01:151
263079976,1cyclictest743-21snmpd21:36:131
263079976,1cyclictest743-21snmpd21:12:421
263079976,1cyclictest743-21snmpd19:27:121
263079975,2cyclictest743-21snmpd21:40:081
263079975,2cyclictest743-21snmpd20:58:451
263079975,2cyclictest743-21snmpd20:10:521
263079975,2cyclictest743-21snmpd20:02:551
263079975,2cyclictest743-21snmpd19:50:001
263079975,2cyclictest743-21snmpd19:13:381
263079975,2cyclictest743-21snmpd00:36:031
263079973,3cyclictest8522-21ntpq23:40:171
263039977,0cyclictest743-21snmpd23:17:060
263039977,0cyclictest743-21snmpd21:59:450
263039977,0cyclictest743-21snmpd20:36:270
263039977,0cyclictest741-21lldpd23:41:500
263039977,0cyclictest741-21lldpd20:02:170
263039976,1cyclictest743-21snmpd23:55:010
263039976,1cyclictest743-21snmpd22:55:200
263039976,1cyclictest743-21snmpd20:51:210
263039976,1cyclictest743-21snmpd00:02:530
263039976,1cyclictest741-21lldpd22:10:140
263039976,1cyclictest741-21lldpd21:30:400
263039976,1cyclictest741-21lldpd21:11:180
263039976,1cyclictest741-21lldpd00:29:590
263039975,2cyclictest743-21snmpd22:31:580
263039975,2cyclictest743-21snmpd21:08:580
263129966,0cyclictest743-21snmpd23:27:462
263129966,0cyclictest743-21snmpd23:00:502
263129966,0cyclictest741-21lldpd00:17:522
263129966,0cyclictest522-21avahi-daemon22:48:202
263129965,1cyclictest743-21snmpd23:55:382
263129965,1cyclictest743-21snmpd23:12:572
263129965,1cyclictest717-21ntpd21:05:162
263129965,1cyclictest717-21ntpd19:50:142
263129962,3cyclictest32586-21sed23:20:152
263079966,0cyclictest743-21snmpd20:26:471
263079966,0cyclictest741-21lldpd23:35:261
263079966,0cyclictest741-21lldpd23:08:301
263079966,0cyclictest741-21lldpd21:54:491
263079966,0cyclictest741-21lldpd19:31:321
263079966,0cyclictest741-21lldpd00:25:091
263079966,0cyclictest741-21lldpd00:05:021
263079964,2cyclictest743-21snmpd23:20:381
263079964,2cyclictest743-21snmpd22:26:371
263079964,2cyclictest743-21snmpd19:45:461
263079963,3cyclictest17305-21gdbus00:02:421
263079963,2cyclictest244-20systemd-journal21:18:031
263079962,4cyclictest557-21NetworkManager19:58:061
263079962,3cyclictest7725-21grep19:40:181
263039966,0cyclictest743-21snmpd22:50:430
263039966,0cyclictest743-21snmpd22:49:290
263039966,0cyclictest741-21lldpd23:34:210
263039966,0cyclictest741-21lldpd19:35:010
263039966,0cyclictest741-21lldpd00:23:040
263039965,1cyclictest743-21snmpd20:27:470
263039964,2cyclictest743-21snmpd23:53:280
263039964,2cyclictest743-21snmpd20:23:120
263039964,2cyclictest743-21snmpd19:43:210
263039964,2cyclictest743-21snmpd19:26:060
263039964,2cyclictest743-21snmpd19:20:020
263039964,2cyclictest743-21snmpd00:17:420
263039963,3cyclictest28105-21uniq00:30:140
263129955,0cyclictest743-21snmpd19:23:112
263129954,1cyclictest573-21in:imuxsock19:31:552
263129954,1cyclictest522-21avahi-daemon22:08:402
263129953,2cyclictest743-21snmpd23:07:292
263129953,2cyclictest557-21NetworkManager20:20:102
263129953,2cyclictest20217-21cat00:10:132
263129952,3cyclictest31624-21fw_forwarded_lo20:40:122
263129952,3cyclictest25647-21ntpq20:25:162
263129952,2cyclictest575-21rs:main2
263129952,2cyclictest4080-21tr23:30:142
263129952,2cyclictest17731-21cut21:25:142
263129951,3cyclictest29862-21cat00:35:112
263079955,0cyclictest743-21snmpd00:33:301
263079954,1cyclictest743-21snmpd21:04:331
263079954,1cyclictest743-21snmpd19:36:211
263079953,2cyclictest22173-21ntpq22:55:171
263079952,3cyclictest1599-21ntpq22:05:171
263079952,2cyclictest3910-21ps20:50:191
263079952,2cyclictest32203-21grep20:40:161
263079952,2cyclictest16819-21seq21:24:591
263079951,4cyclictest557-21NetworkManager22:20:021
263079951,3cyclictest31394-21diskstats22:00:121
263079951,3cyclictest28752-21grep23:10:181
263079951,3cyclictest23842-21systemctl20:20:171
263079951,3cyclictest21427-21cut20:15:141
263079951,3cyclictest1861-21grep23:25:141
263079951,3cyclictest11598-21sed23:50:011
263039955,0cyclictest743-21snmpd23:11:560
263039955,0cyclictest522-21avahi-daemon21:15:550
263039954,1cyclictest522-21avahi-daemon22:00:020
263039954,1cyclictest21195-21cpuspeed_turbos21:35:120
263039952,3cyclictest7362-21cat22:20:140
263039952,3cyclictest28768-21perl19:15:140
263039952,2cyclictest25909-21apt-get23:05:110
263039952,2cyclictest24945-21wc23:00:220
263039952,2cyclictest244-20systemd-journal20:05:570
263039951,3cyclictest28283-21sed19:15:000
263039950,4cyclictest30649-21ntpq00:35:160
263129943,1cyclictest21598-21df22:55:132
263129941,3cyclictest557-21NetworkManager22:18:122
263129941,2cyclictest21120-21awk21:35:122
263129941,2cyclictest20158-21ntp_kernel_err22:50:142
263129940,3cyclictest30103-21diskstats23:15:112
263129940,3cyclictest28489-21/usr/sbin/munin00:30:162
263079943,1cyclictest11010-21cpuspeed_turbos22:30:101
263079942,2cyclictest22554-21ntpq00:15:161
263079942,2cyclictest1376-21cat20:45:131
263079941,2cyclictest27454-21ls20:30:131
263079940,3cyclictest29274-21ntpq19:15:181
263079940,3cyclictest24009-21diskstats00:20:111
263039943,1cyclictest17853-21cpuspeed_turbos00:05:110
263039943,1cyclictest0-21swapper/020:55:150
263039941,2cyclictest7127-21grep21:00:090
263039940,3cyclictest21624-21ntp_states20:15:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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