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2026-07-26 - 17:26

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Sun Jul 26, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8647991818,0cyclictest65850irq/126-lan11:01:090
8647991717,0cyclictest65850irq/126-lan10:34:070
8647991717,0cyclictest65850irq/126-lan10:19:580
8647991717,0cyclictest65850irq/126-lan09:46:040
8647991717,0cyclictest65850irq/126-lan09:30:200
8647991717,0cyclictest65850irq/126-lan08:50:130
8647991716,1cyclictest65850irq/126-lan12:39:080
8647991716,1cyclictest65850irq/126-lan12:15:170
8647991716,1cyclictest65850irq/126-lan10:45:120
8647991716,1cyclictest65850irq/126-lan07:20:140
8647991616,0cyclictest65850irq/126-lan11:55:110
8647991616,0cyclictest65850irq/126-lan11:25:120
8647991616,0cyclictest65850irq/126-lan10:43:480
8647991616,0cyclictest65850irq/126-lan10:21:350
8647991616,0cyclictest65850irq/126-lan08:45:190
8647991616,0cyclictest65850irq/126-lan08:25:180
8647991616,0cyclictest65850irq/126-lan07:15:140
8647991615,1cyclictest65850irq/126-lan09:25:200
8647991615,1cyclictest65850irq/126-lan09:20:120
8647991615,1cyclictest65850irq/126-lan08:40:130
8647991615,1cyclictest65850irq/126-lan08:10:130
8647991615,1cyclictest65850irq/126-lan08:05:230
8647991615,1cyclictest65850irq/126-lan07:59:240
8647991515,0cyclictest65850irq/126-lan12:30:130
8647991515,0cyclictest65850irq/126-lan12:20:130
8647991515,0cyclictest65850irq/126-lan11:50:150
8647991515,0cyclictest65850irq/126-lan11:45:140
8647991515,0cyclictest65850irq/126-lan11:10:220
8647991515,0cyclictest65850irq/126-lan10:00:130
8647991515,0cyclictest65850irq/126-lan08:55:170
8647991515,0cyclictest65850irq/126-lan08:35:170
8647991515,0cyclictest65850irq/126-lan07:30:180
8647991515,0cyclictest4336-21cat09:35:140
8647991514,1cyclictest65850irq/126-lan11:35:000
8647991514,1cyclictest65850irq/126-lan10:25:180
8647991514,1cyclictest65850irq/126-lan08:21:360
8647991414,0cyclictest743-21snmpd07:52:580
8647991414,0cyclictest65850irq/126-lan12:25:200
8647991414,0cyclictest65850irq/126-lan12:05:180
8647991414,0cyclictest65850irq/126-lan11:40:180
8647991414,0cyclictest65850irq/126-lan11:05:140
8647991414,0cyclictest65850irq/126-lan09:05:110
8647991414,0cyclictest65850irq/126-lan09:01:350
8647991414,0cyclictest65850irq/126-lan07:25:170
8647991413,1cyclictest65850irq/126-lan11:35:190
8647991413,1cyclictest65850irq/126-lan10:05:170
8647991413,1cyclictest65850irq/126-lan09:10:190
8647991413,1cyclictest65850irq/126-lan07:10:110
8659991313,0cyclictest743-21snmpd10:29:302
8659991313,0cyclictest13341-21cat07:20:142
8647991313,0cyclictest65850irq/126-lan12:00:170
8647991313,0cyclictest65850irq/126-lan11:20:140
8647991313,0cyclictest65850irq/126-lan11:15:180
8647991313,0cyclictest65850irq/126-lan09:15:330
8647991313,0cyclictest65850irq/126-lan07:35:130
8647991312,1cyclictest65850irq/126-lan09:55:210
8659991212,0cyclictest743-21snmpd11:26:292
8659991212,0cyclictest743-21snmpd10:55:132
8659991212,0cyclictest743-21snmpd09:06:162
8659991212,0cyclictest743-21snmpd08:12:282
8659991212,0cyclictest27283-21cat11:50:152
8659991211,1cyclictest743-21snmpd11:56:002
8647991212,0cyclictest743-21snmpd10:11:450
8647991212,0cyclictest65850irq/126-lan09:40:220
8647991212,0cyclictest65850irq/126-lan08:31:340
8647991212,0cyclictest65850irq/126-lan08:15:350
8647991212,0cyclictest65850irq/126-lan07:40:180
8647991211,1cyclictest65850irq/126-lan10:54:120
8647991211,1cyclictest65850irq/126-lan07:45:120
8659991111,0cyclictest743-21snmpd12:38:132
8659991111,0cyclictest743-21snmpd12:27:532
8659991111,0cyclictest743-21snmpd12:24:572
8659991111,0cyclictest743-21snmpd11:46:412
8659991111,0cyclictest743-21snmpd11:30:262
8659991111,0cyclictest743-21snmpd11:04:462
8659991111,0cyclictest743-21snmpd10:38:382
8659991111,0cyclictest743-21snmpd10:07:562
8659991111,0cyclictest743-21snmpd10:03:552
8659991111,0cyclictest743-21snmpd09:55:142
8659991111,0cyclictest743-21snmpd09:40:472
8659991111,0cyclictest743-21snmpd09:32:242
8659991111,0cyclictest743-21snmpd09:21:372
8659991111,0cyclictest743-21snmpd09:10:132
8659991111,0cyclictest743-21snmpd08:51:032
8659991111,0cyclictest743-21snmpd07:46:432
8659991111,0cyclictest743-21snmpd07:16:362
8659991111,0cyclictest22205-21cat09:00:142
8659991111,0cyclictest14782-21cat11:20:142
8659991110,1cyclictest583-21cat10:45:132
8659991010,0cyclictest743-21snmpd12:34:162
8659991010,0cyclictest743-21snmpd11:06:212
8659991010,0cyclictest743-21snmpd10:43:342
8659991010,0cyclictest743-21snmpd10:23:202
8659991010,0cyclictest32390-21cat08:05:162
8647991010,0cyclictest65850irq/126-lan08:00:130
86649998,1cyclictest743-21snmpd10:43:463
86649998,1cyclictest743-21snmpd09:07:193
86649998,1cyclictest741-21lldpd07:33:593
86599998,1cyclictest743-21snmpd08:31:292
86599998,1cyclictest19908-21fschecks_count08:55:162
86549998,1cyclictest741-21lldpd12:05:031
86479999,0cyclictest65850irq/126-lan12:10:120
86649988,0cyclictest743-21snmpd12:17:003
86649988,0cyclictest743-21snmpd10:51:333
86649988,0cyclictest743-21snmpd08:43:443
86649988,0cyclictest741-21lldpd11:05:133
86649988,0cyclictest741-21lldpd11:00:083
86649987,1cyclictest743-21snmpd12:05:353
86649987,1cyclictest743-21snmpd09:50:233
86649987,1cyclictest743-21snmpd09:18:483
86649987,1cyclictest743-21snmpd07:41:033
86649987,1cyclictest743-21snmpd07:21:593
86649986,2cyclictest743-21snmpd12:37:373
86649986,2cyclictest743-21snmpd08:35:423
86649986,2cyclictest743-21snmpd08:34:543
86649986,2cyclictest743-21snmpd07:58:513
86649986,2cyclictest743-21snmpd07:17:213
86649986,2cyclictest30359-21cat08:00:153
86599988,0cyclictest743-21snmpd08:46:442
86599988,0cyclictest741-21lldpd10:12:532
86599988,0cyclictest741-21lldpd07:28:242
86599987,1cyclictest743-21snmpd10:53:272
86599986,2cyclictest743-21snmpd08:38:542
86549988,0cyclictest743-21snmpd09:35:311
86549988,0cyclictest743-21snmpd07:45:161
86549988,0cyclictest741-21lldpd12:33:111
86549988,0cyclictest741-21lldpd11:08:491
86549988,0cyclictest741-21lldpd09:41:431
86549988,0cyclictest741-21lldpd08:34:351
86549988,0cyclictest741-21lldpd08:14:271
86549988,0cyclictest741-21lldpd07:42:501
86549987,1cyclictest741-21lldpd09:27:171
86549987,1cyclictest27313-21ntp_kernel_pll_10:30:181
86549986,2cyclictest743-21snmpd09:01:171
86479988,0cyclictest522-21avahi-daemon09:51:490
86649977,0cyclictest743-21snmpd08:54:483
86649977,0cyclictest741-21lldpd11:15:283
86649977,0cyclictest741-21lldpd09:49:463
86649977,0cyclictest741-21lldpd07:28:523
86649977,0cyclictest506-21systemd-resolve10:04:273
86649976,1cyclictest743-21snmpd08:49:233
86649976,1cyclictest1-21systemd09:41:443
86649975,2cyclictest743-21snmpd11:46:293
86649975,2cyclictest743-21snmpd11:23:193
86599977,0cyclictest743-21snmpd10:30:212
86599976,1cyclictest743-21snmpd12:13:532
86599976,1cyclictest743-21snmpd08:00:562
86599976,1cyclictest743-21snmpd07:31:042
86599975,2cyclictest743-21snmpd11:43:022
86549977,0cyclictest743-21snmpd12:04:031
86549977,0cyclictest743-21snmpd10:40:061
86549977,0cyclictest743-21snmpd10:19:271
86549977,0cyclictest743-21snmpd10:10:181
86549977,0cyclictest741-21lldpd09:21:101
86549977,0cyclictest741-21lldpd07:25:381
86549976,1cyclictest743-21snmpd09:45:071
86549976,1cyclictest743-21snmpd07:24:151
86549975,2cyclictest743-21snmpd11:57:351
86549975,2cyclictest743-21snmpd11:40:251
86549975,2cyclictest743-21snmpd11:36:531
86549975,2cyclictest743-21snmpd09:54:071
86549975,2cyclictest2317-21cat09:30:161
86479976,1cyclictest65850irq/126-lan10:55:140
86649966,0cyclictest743-21snmpd12:21:483
86649966,0cyclictest743-21snmpd09:33:423
86649966,0cyclictest743-21snmpd09:13:213
86649966,0cyclictest741-21lldpd11:33:133
86649966,0cyclictest522-21avahi-daemon11:53:413
86649966,0cyclictest522-21avahi-daemon10:38:243
86649965,1cyclictest8914-21cpuspeed_turbos07:10:123
86649965,1cyclictest741-21lldpd09:00:353
86649965,1cyclictest20981-21fschecks_count11:35:133
86649964,2cyclictest743-21snmpd11:43:593
86649964,2cyclictest743-21snmpd08:59:503
86649964,2cyclictest743-21snmpd08:25:493
86649964,2cyclictest743-21snmpd07:51:273
86649964,2cyclictest743-21snmpd07:39:393
86649963,3cyclictest9157-21memory12:25:163
86649962,4cyclictest557-21NetworkManager10:25:373
86649962,3cyclictest5660-21pluginstate09:40:003
86649962,3cyclictest21371-21pluginstate10:15:173
86599966,0cyclictest743-21snmpd11:15:132
86599966,0cyclictest743-21snmpd09:19:272
86599966,0cyclictest522-21avahi-daemon12:17:362
86599965,1cyclictest9501-21needreboot07:10:152
86599964,2cyclictest743-21snmpd07:37:422
86599960,4cyclictest747-21runrttasks09:50:182
86549966,0cyclictest741-21lldpd07:52:191
86549966,0cyclictest741-21lldpd07:12:241
86549965,1cyclictest522-21avahi-daemon11:48:361
86549965,1cyclictest4775-21fschecks_time12:15:151
86549965,1cyclictest19784-21cat07:35:141
86549965,1cyclictest12565-21fschecks_time11:15:151
86549964,2cyclictest743-21snmpd10:37:351
86549964,2cyclictest743-21snmpd08:15:311
86549963,2cyclictest2786-21sed10:50:151
86549962,3cyclictest28803-21sed11:55:011
86649955,0cyclictest743-21snmpd08:18:143
86649955,0cyclictest741-21lldpd09:29:093
86649955,0cyclictest741-21lldpd08:22:103
86649955,0cyclictest741-21lldpd08:12:093
86649955,0cyclictest522-21avahi-daemon10:31:563
86649955,0cyclictest522-21avahi-daemon10:22:243
86649954,1cyclictest743-21snmpd12:02:243
86649954,1cyclictest522-21avahi-daemon11:11:133
86649953,2cyclictest743-21snmpd09:58:083
86649952,3cyclictest557-21NetworkManager11:55:043
86649952,3cyclictest557-21NetworkManager07:46:443
86649952,2cyclictest495-21sendmail_mailst08:05:203
86649952,2cyclictest32590-21dpkg10:45:103
86649952,2cyclictest30655-21ntpq09:20:173
86649952,2cyclictest244-20systemd-journal10:10:183
86649952,2cyclictest11338-21ntpq12:30:163
86649951,3cyclictest17799-21users10:05:223
86599954,1cyclictest743-21snmpd12:06:092
86599954,1cyclictest522-21avahi-daemon08:42:542
86599953,2cyclictest743-21snmpd12:03:122
86599953,2cyclictest557-21NetworkManager11:10:012
86599952,2cyclictest6512-21pluginstate08:20:182
86599952,2cyclictest28140-21cut07:55:142
86599952,2cyclictest22646-21ntpq07:40:172
86599952,2cyclictest20690-21apt-config11:35:002
86599950,4cyclictest4714-21ntpq09:35:182
86549955,0cyclictest741-21lldpd12:35:011
86549955,0cyclictest741-21lldpd12:11:441
86549955,0cyclictest506-21systemd-resolve09:16:231
86549954,1cyclictest506-21systemd-resolve11:29:541
86549954,1cyclictest14511-21cpuspeed_turbos10:00:131
86549953,2cyclictest743-21snmpd10:56:311
86549953,2cyclictest1439-21sed08:10:001
86549953,2cyclictest0-21swapper/109:58:141
86549952,3cyclictest23383-21smartctl10:20:171
86549952,2cyclictest7880-21cut08:25:131
86549952,2cyclictest575-21rs:main1
86549952,2cyclictest19657-21grep11:30:211
86549952,2cyclictest14615-21pmu-power08:40:171
86549951,3cyclictest6198-21sed08:20:151
86549950,5cyclictest15701-21apt-get08:45:101
86649941,3cyclictest557-21NetworkManager10:55:013
86649940,4cyclictest3252-21ntpq12:10:163
86649940,3cyclictest16736-21hddtemp_smartct11:25:143
86599944,0cyclictest27581-21kworker/u16:1-writeback09:45:132
86599941,2cyclictest7730-21cut08:25:122
86599940,4cyclictest21177-21ntpq10:15:162
86599940,3cyclictest694-21ntp_states09:25:192
86599940,3cyclictest4428-21ntp_states08:15:182
86599940,3cyclictest25886-21apt-get07:50:112
86549943,1cyclictest21134-21kworker/1:0+events07:32:081
86549942,2cyclictest717-21ntpd10:45:121
86549942,2cyclictest30244-21expr08:00:141
86549941,2cyclictest7276-21awk12:20:161
86549941,2cyclictest28478-21cat07:55:161
86549941,2cyclictest244-20systemd-journal09:10:051
86549941,2cyclictest16626-21awk10:05:131
86549941,2cyclictest15174-21ldconfig11:20:181
86549941,2cyclictest12084-21unixbench-2d07:15:211
86549941,2cyclictest10917-21needreboot11:10:181
86549940,4cyclictest7093-21ntpq11:00:181
86549940,3cyclictest9055-21irqstats12:25:141
86549940,3cyclictest24682-21df10:25:181
86549940,3cyclictest24507-21ntpq09:05:151
86549940,3cyclictest20444-21ntpq08:55:201
86549932,1cyclictest21134-21kworker/1:0+events08:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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