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2026-01-01 - 23:36

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 Thu Jan 01, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11464991918,1cyclictest65850irq/126-lan10:30:160
11464991818,0cyclictest65850irq/126-lan11:19:360
11464991818,0cyclictest65850irq/126-lan07:40:100
11464991817,1cyclictest65850irq/126-lan10:55:180
11464991817,1cyclictest65850irq/126-lan09:20:170
11464991717,0cyclictest65850irq/126-lan11:10:120
11464991717,0cyclictest65850irq/126-lan10:20:160
11464991717,0cyclictest65850irq/126-lan09:40:190
11464991717,0cyclictest65850irq/126-lan08:20:280
11464991717,0cyclictest65850irq/126-lan07:50:180
11464991716,1cyclictest65850irq/126-lan11:30:180
11464991716,1cyclictest65850irq/126-lan10:45:170
11464991716,1cyclictest65850irq/126-lan10:40:110
11464991716,1cyclictest65850irq/126-lan09:25:220
11464991716,1cyclictest65850irq/126-lan08:25:220
11464991716,1cyclictest65850irq/126-lan08:25:220
11464991716,1cyclictest65850irq/126-lan08:10:130
11464991716,1cyclictest65850irq/126-lan08:05:120
11464991616,0cyclictest65850irq/126-lan12:30:120
11464991616,0cyclictest65850irq/126-lan11:20:140
11464991615,1cyclictest65850irq/126-lan12:35:160
11464991615,1cyclictest65850irq/126-lan11:25:180
11464991615,1cyclictest65850irq/126-lan10:35:220
11464991615,1cyclictest65850irq/126-lan09:45:130
11464991615,1cyclictest65850irq/126-lan09:35:170
11464991615,1cyclictest65850irq/126-lan09:15:010
11464991615,1cyclictest65850irq/126-lan09:05:110
11464991615,1cyclictest65850irq/126-lan07:10:170
11464991515,0cyclictest65850irq/126-lan12:20:160
11464991515,0cyclictest65850irq/126-lan12:06:390
11464991515,0cyclictest65850irq/126-lan10:50:130
11464991515,0cyclictest65850irq/126-lan10:05:140
11464991515,0cyclictest65850irq/126-lan09:10:160
11464991515,0cyclictest65850irq/126-lan08:40:140
11464991515,0cyclictest65850irq/126-lan08:04:400
11464991515,0cyclictest65850irq/126-lan07:50:000
11464991515,0cyclictest65850irq/126-lan07:24:390
11464991515,0cyclictest65850irq/126-lan07:15:190
11464991514,1cyclictest65850irq/126-lan11:50:140
11464991514,1cyclictest65850irq/126-lan11:05:160
11464991514,1cyclictest65850irq/126-lan09:55:160
11464991514,1cyclictest65850irq/126-lan09:50:160
11464991514,1cyclictest65850irq/126-lan09:30:180
11464991414,0cyclictest65850irq/126-lan11:40:170
11464991414,0cyclictest65850irq/126-lan10:00:140
11464991413,1cyclictest65850irq/126-lan10:25:140
11464991413,1cyclictest65850irq/126-lan08:55:140
11464991413,1cyclictest65850irq/126-lan08:45:130
11464991413,1cyclictest65850irq/126-lan07:55:150
11464991313,0cyclictest65850irq/126-lan12:10:140
11464991313,0cyclictest65850irq/126-lan11:57:390
11464991313,0cyclictest65850irq/126-lan10:15:160
11464991312,1cyclictest65850irq/126-lan12:19:590
11464991312,1cyclictest65850irq/126-lan10:10:100
11464991312,1cyclictest65850irq/126-lan07:35:150
11464991312,1cyclictest65850irq/126-lan07:25:200
11464991311,2cyclictest65850irq/126-lan11:35:130
11464991212,0cyclictest65850irq/126-lan11:45:140
11464991212,0cyclictest65850irq/126-lan09:00:130
11464991212,0cyclictest65850irq/126-lan08:17:390
11464991211,1cyclictest65850irq/126-lan08:53:380
11464991111,0cyclictest65850irq/126-lan08:40:000
11464991110,1cyclictest65850irq/126-lan12:00:000
1146499109,1cyclictest65850irq/126-lan12:25:210
1146499109,1cyclictest65850irq/126-lan07:30:110
114829998,1cyclictest743-21snmpd08:56:033
114829998,1cyclictest741-21lldpd11:20:403
114769998,1cyclictest743-21snmpd09:32:462
114769998,1cyclictest743-21snmpd07:14:022
114769998,1cyclictest741-21lldpd11:14:012
114769998,1cyclictest741-21lldpd08:53:092
114729998,1cyclictest743-21snmpd10:48:101
114729998,1cyclictest743-21snmpd10:27:111
114729998,1cyclictest743-21snmpd08:49:261
114729998,1cyclictest743-21snmpd07:27:551
114729998,1cyclictest11085-21needreboot08:25:171
114729998,1cyclictest11085-21needreboot08:25:171
114649999,0cyclictest65850irq/126-lan08:30:120
114829988,0cyclictest743-21snmpd10:31:393
114829988,0cyclictest741-21lldpd11:50:043
114829988,0cyclictest741-21lldpd10:15:373
114829988,0cyclictest741-21lldpd09:38:553
114829987,1cyclictest743-21snmpd12:36:403
114829987,1cyclictest743-21snmpd11:27:043
114829987,1cyclictest743-21snmpd10:36:143
114829987,1cyclictest743-21snmpd08:20:463
114829987,1cyclictest506-21systemd-resolve10:25:183
114829986,2cyclictest743-21snmpd10:21:023
114829986,2cyclictest743-21snmpd10:05:343
114829986,2cyclictest743-21snmpd09:14:133
114769988,0cyclictest743-21snmpd12:26:092
114769988,0cyclictest743-21snmpd12:11:212
114769988,0cyclictest743-21snmpd11:19:492
114769988,0cyclictest743-21snmpd10:53:192
114769988,0cyclictest741-21lldpd10:29:412
114769988,0cyclictest741-21lldpd10:00:432
114769987,1cyclictest743-21snmpd12:24:332
114769987,1cyclictest743-21snmpd11:34:112
114769987,1cyclictest743-21snmpd10:16:512
114769987,1cyclictest743-21snmpd07:33:062
114769987,1cyclictest741-21lldpd08:25:572
114769987,1cyclictest741-21lldpd08:25:572
114769987,1cyclictest557-21NetworkManager07:55:202
114769987,1cyclictest522-21avahi-daemon11:48:012
114769987,1cyclictest24469-21fschecks_count07:40:122
114769986,2cyclictest743-21snmpd12:07:572
114769986,2cyclictest743-21snmpd09:53:432
114769986,2cyclictest743-21snmpd07:15:412
114729988,0cyclictest743-21snmpd11:05:401
114729988,0cyclictest743-21snmpd10:31:001
114729988,0cyclictest741-21lldpd12:33:381
114729988,0cyclictest741-21lldpd08:37:281
114729988,0cyclictest741-21lldpd07:57:231
114729987,1cyclictest743-21snmpd09:26:221
114729987,1cyclictest743-21snmpd07:32:511
114729986,2cyclictest743-21snmpd11:29:221
114729986,2cyclictest743-21snmpd08:52:081
114649988,0cyclictest741-21lldpd11:00:470
114829977,0cyclictest743-21snmpd12:29:183
114829977,0cyclictest743-21snmpd09:05:333
114829977,0cyclictest743-21snmpd07:30:543
114829977,0cyclictest741-21lldpd09:58:323
114829977,0cyclictest741-21lldpd09:51:033
114829977,0cyclictest741-21lldpd09:02:593
114829977,0cyclictest741-21lldpd08:08:543
114829976,1cyclictest743-21snmpd12:16:483
114829976,1cyclictest743-21snmpd11:41:103
114829976,1cyclictest743-21snmpd11:09:313
114829976,1cyclictest743-21snmpd11:01:163
114829976,1cyclictest743-21snmpd10:48:433
114829976,1cyclictest743-21snmpd09:30:093
114829975,2cyclictest743-21snmpd11:33:113
114829975,2cyclictest743-21snmpd11:18:223
114829975,2cyclictest743-21snmpd10:58:423
114829975,2cyclictest743-21snmpd10:10:233
114829975,2cyclictest743-21snmpd07:25:463
114769977,0cyclictest743-21snmpd09:43:502
114769977,0cyclictest743-21snmpd09:36:182
114769977,0cyclictest741-21lldpd11:23:122
114769977,0cyclictest741-21lldpd10:43:322
114769977,0cyclictest741-21lldpd09:09:132
114769977,0cyclictest522-21avahi-daemon08:31:492
114769977,0cyclictest522-21avahi-daemon08:09:032
114769975,2cyclictest7878-21cat12:15:132
114769975,2cyclictest743-21snmpd12:04:362
114729977,0cyclictest743-21snmpd11:13:271
114729977,0cyclictest743-21snmpd10:18:511
114729977,0cyclictest741-21lldpd12:28:251
114729977,0cyclictest741-21lldpd12:19:421
114729977,0cyclictest741-21lldpd10:53:511
114729977,0cyclictest741-21lldpd10:35:251
114729977,0cyclictest741-21lldpd09:15:181
114729977,0cyclictest741-21lldpd08:19:471
114729977,0cyclictest741-21lldpd07:37:371
114729977,0cyclictest741-21lldpd07:20:251
114729977,0cyclictest741-21lldpd07:14:381
114729976,1cyclictest743-21snmpd11:50:141
114729976,1cyclictest522-21avahi-daemon10:12:231
114729976,1cyclictest1076-21cat10:40:141
114729975,2cyclictest743-21snmpd10:24:451
114729975,2cyclictest743-21snmpd10:06:161
114729975,2cyclictest743-21snmpd10:04:381
114729975,2cyclictest743-21snmpd09:03:191
114729975,2cyclictest743-21snmpd08:06:101
114729975,2cyclictest743-21snmpd07:47:271
114729975,2cyclictest4829-21cat08:10:141
114829966,0cyclictest743-21snmpd08:40:243
114829966,0cyclictest743-21snmpd07:20:433
114829966,0cyclictest741-21lldpd12:20:073
114829966,0cyclictest741-21lldpd08:45:463
114829966,0cyclictest741-21lldpd08:36:473
114829966,0cyclictest522-21avahi-daemon12:02:473
114829965,1cyclictest743-21snmpd10:52:423
114829965,1cyclictest743-21snmpd08:29:273
114829965,1cyclictest743-21snmpd08:29:263
114829965,1cyclictest743-21snmpd08:17:523
114829965,1cyclictest522-21avahi-daemon07:11:283
114829964,2cyclictest743-21snmpd12:31:453
114829964,2cyclictest743-21snmpd09:45:143
114829964,2cyclictest743-21snmpd09:42:023
114829964,2cyclictest743-21snmpd07:58:053
114829963,3cyclictest3728-21grep12:05:143
114769966,0cyclictest743-21snmpd12:35:042
114769966,0cyclictest741-21lldpd12:32:022
114769966,0cyclictest741-21lldpd08:41:332
114769966,0cyclictest522-21avahi-daemon10:07:092
114769966,0cyclictest506-21systemd-resolve10:14:422
114769965,1cyclictest421ktimers/209:15:152
114769964,2cyclictest743-21snmpd10:55:152
114769964,2cyclictest743-21snmpd10:47:102
114769964,2cyclictest743-21snmpd09:26:312
114769964,2cyclictest717-21ntpd11:50:212
114769960,5cyclictest25154-21latency_hist11:40:002
114729966,0cyclictest743-21snmpd11:55:271
114729965,1cyclictest743-21snmpd12:20:331
114729965,1cyclictest743-21snmpd09:41:081
114729965,1cyclictest741-21lldpd11:32:001
114729964,2cyclictest9145-21cat11:00:161
114729964,2cyclictest743-21snmpd11:49:471
114729964,2cyclictest743-21snmpd10:56:331
114729964,2cyclictest743-21snmpd09:21:301
114729964,2cyclictest743-21snmpd08:33:291
114729963,3cyclictest557-21NetworkManager08:20:111
114729963,2cyclictest575-21rs:main1
114829955,0cyclictest743-21snmpd09:20:243
114829955,0cyclictest743-21snmpd08:00:583
114829955,0cyclictest741-21lldpd11:59:053
114829955,0cyclictest741-21lldpd08:30:443
114829955,0cyclictest15433-21cron07:20:003
114829954,1cyclictest743-21snmpd10:44:063
114829954,1cyclictest741-21lldpd09:16:373
114829952,3cyclictest743-21snmpd08:50:573
114829952,2cyclictest6654-21sed12:10:243
114829952,2cyclictest575-21rs:main3
114829951,3cyclictest29134-21ntp_states07:50:173
114829951,3cyclictest28184-21ntpq11:45:193
114829951,3cyclictest27415-21sed07:45:203
114769955,0cyclictest743-21snmpd08:00:072
114769955,0cyclictest741-21lldpd10:32:072
114769955,0cyclictest522-21avahi-daemon11:06:222
114769955,0cyclictest522-21avahi-daemon08:58:012
114769955,0cyclictest522-21avahi-daemon08:36:582
114769955,0cyclictest506-21systemd-resolve11:40:302
114769954,1cyclictest9458-21ntpq11:00:182
114769954,1cyclictest0-21swapper/207:35:132
114769953,2cyclictest8874-21cat08:20:122
114769953,2cyclictest31779-21cat11:55:142
114769952,2cyclictest28023-21cron07:50:002
114769952,2cyclictest244-20systemd-journal08:18:432
114769952,2cyclictest19719-21wc08:45:212
114769951,3cyclictest26283-21apt-get07:45:102
114769950,4cyclictest29424-21ntpq09:10:172
114769950,4cyclictest1047-21ntpq09:20:162
114729955,0cyclictest741-21lldpd12:10:521
114729955,0cyclictest0-21swapper/108:55:171
114729953,2cyclictest743-21snmpd07:44:011
114729952,3cyclictest29014-21ntpq07:50:151
114729952,2cyclictest26862-21tune2fs09:05:121
114729952,2cyclictest17675-21awk11:20:151
114729952,2cyclictest16046-21tr12:35:131
114729952,2cyclictest12171-21awk09:50:001
114729951,3cyclictest13502-21sed09:50:211
114729951,2cyclictest244-20systemd-journal09:56:201
114729950,4cyclictest17264-21ntpq08:40:161
114729950,3cyclictest28635-21dpkg09:10:111
114829943,1cyclictest511ktimers/309:25:143
114829942,2cyclictest743-21snmpd08:12:263
114829941,2cyclictest23590-21grep11:35:153
114829941,2cyclictest23112-21pmu-power07:35:193
114829940,3cyclictest24433-21diskstats07:40:123
114829940,3cyclictest17713-21grep10:00:243
114769944,0cyclictest0-21swapper/209:00:152
114769943,1cyclictest743-21snmpd07:20:092
114769942,2cyclictest743-21snmpd09:55:022
114769942,2cyclictest717-21ntpd08:10:132
114769942,2cyclictest31263-21tune2fs10:35:112
114769942,2cyclictest11228-21ntp_states09:45:172
114769941,2cyclictest18246-21expr07:25:132
114769940,3cyclictest24964-21apt-get10:20:142
114769940,3cyclictest19651-21/usr/sbin/munin11:25:142
114729944,0cyclictest0-21swapper/109:30:141
114729943,1cyclictest0-21swapper/111:59:591
114729942,2cyclictest4253-21ntpq12:05:181
114729942,2cyclictest26726-21seq11:40:581
114729941,3cyclictest557-21NetworkManager11:16:391
114729941,3cyclictest13867-21cut07:15:121
114729941,2cyclictest338-21uname08:00:141
114729940,4cyclictest24026-21ntpq11:35:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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