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2026-05-19 - 15:08

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 Tue May 19, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30812991818,0cyclictest65850irq/126-lan11:18:403
30812991818,0cyclictest65850irq/126-lan10:50:243
30812991818,0cyclictest65850irq/126-lan10:10:113
30812991818,0cyclictest65850irq/126-lan09:29:413
30812991818,0cyclictest65850irq/126-lan07:46:273
30812991818,0cyclictest65850irq/126-lan07:40:183
30812991717,0cyclictest65850irq/126-lan11:45:113
30812991717,0cyclictest65850irq/126-lan10:07:483
30812991717,0cyclictest65850irq/126-lan09:24:003
30812991717,0cyclictest65850irq/126-lan08:15:133
30812991717,0cyclictest65850irq/126-lan08:10:143
30812991717,0cyclictest65850irq/126-lan07:30:153
30812991616,0cyclictest65850irq/126-lan12:30:133
30812991616,0cyclictest65850irq/126-lan12:25:173
30812991616,0cyclictest65850irq/126-lan12:21:523
30812991616,0cyclictest65850irq/126-lan11:55:153
30812991616,0cyclictest65850irq/126-lan11:20:123
30812991616,0cyclictest65850irq/126-lan11:05:143
30812991616,0cyclictest65850irq/126-lan10:55:153
30812991616,0cyclictest65850irq/126-lan10:49:563
30812991616,0cyclictest65850irq/126-lan10:00:123
30812991616,0cyclictest65850irq/126-lan09:45:163
30812991616,0cyclictest65850irq/126-lan09:30:123
30812991616,0cyclictest65850irq/126-lan07:23:063
30812991616,0cyclictest65850irq/126-lan07:16:123
30812991615,1cyclictest65850irq/126-lan12:35:153
30812991615,1cyclictest65850irq/126-lan08:00:153
30801991616,0cyclictest743-21snmpd10:00:090
30801991616,0cyclictest743-21snmpd07:19:340
30801991616,0cyclictest3820-21cat11:15:150
30801991616,0cyclictest1789-21cat11:10:140
30812991515,0cyclictest65850irq/126-lan12:15:153
30812991515,0cyclictest65850irq/126-lan11:50:113
30812991515,0cyclictest65850irq/126-lan11:00:163
30812991515,0cyclictest65850irq/126-lan10:20:203
30812991515,0cyclictest65850irq/126-lan10:15:133
30812991515,0cyclictest65850irq/126-lan09:40:173
30812991515,0cyclictest65850irq/126-lan08:45:173
30812991515,0cyclictest65850irq/126-lan08:28:573
30812991515,0cyclictest65850irq/126-lan08:20:183
30812991515,0cyclictest65850irq/126-lan08:05:123
30812991515,0cyclictest65850irq/126-lan07:10:153
30801991515,0cyclictest743-21snmpd11:35:490
30801991515,0cyclictest743-21snmpd10:44:440
30801991515,0cyclictest743-21snmpd10:09:520
30801991515,0cyclictest743-21snmpd09:41:290
30801991515,0cyclictest743-21snmpd09:14:250
30801991515,0cyclictest743-21snmpd08:49:580
30801991514,1cyclictest743-21snmpd09:35:540
30812991414,0cyclictest65850irq/126-lan12:00:213
30812991414,0cyclictest65850irq/126-lan11:25:123
30812991414,0cyclictest65850irq/126-lan10:40:113
30812991414,0cyclictest65850irq/126-lan09:15:183
30812991414,0cyclictest65850irq/126-lan09:10:123
30812991414,0cyclictest65850irq/126-lan09:02:083
30812991414,0cyclictest65850irq/126-lan08:53:423
30812991414,0cyclictest65850irq/126-lan08:40:143
30812991414,0cyclictest65850irq/126-lan07:35:133
30801991414,0cyclictest743-21snmpd12:11:230
30801991414,0cyclictest743-21snmpd11:01:290
30801991414,0cyclictest743-21snmpd09:32:350
30801991414,0cyclictest743-21snmpd09:22:230
30801991414,0cyclictest743-21snmpd08:53:040
30801991414,0cyclictest743-21snmpd08:09:080
30801991414,0cyclictest743-21snmpd07:20:150
30801991414,0cyclictest743-21snmpd07:12:220
30801991414,0cyclictest30978-21cat09:45:140
30812991313,0cyclictest65850irq/126-lan11:30:103
30812991313,0cyclictest65850irq/126-lan10:25:143
30812991313,0cyclictest65850irq/126-lan09:58:413
30812991313,0cyclictest65850irq/126-lan09:50:203
30812991313,0cyclictest65850irq/126-lan08:35:203
30812991313,0cyclictest65850irq/126-lan08:30:113
30812991313,0cyclictest65850irq/126-lan07:55:133
30812991313,0cyclictest65850irq/126-lan07:50:123
30801991313,0cyclictest743-21snmpd12:32:410
30801991313,0cyclictest743-21snmpd12:03:140
30801991313,0cyclictest743-21snmpd11:51:580
30801991313,0cyclictest743-21snmpd11:41:010
30801991313,0cyclictest743-21snmpd11:34:070
30801991313,0cyclictest743-21snmpd10:33:130
30801991313,0cyclictest743-21snmpd09:57:030
30801991313,0cyclictest743-21snmpd09:09:050
30801991313,0cyclictest743-21snmpd08:55:060
30801991313,0cyclictest743-21snmpd08:15:270
30801991313,0cyclictest743-21snmpd07:46:590
30801991313,0cyclictest743-21snmpd07:33:490
30801991313,0cyclictest743-21snmpd07:25:480
30801991313,0cyclictest31062-21cat08:25:150
30801991313,0cyclictest12044-21cat07:40:120
30812991212,0cyclictest65850irq/126-lan12:05:143
30812991212,0cyclictest65850irq/126-lan09:39:563
30801991212,0cyclictest743-21snmpd12:35:590
30812991111,0cyclictest65850irq/126-lan12:10:153
30812991111,0cyclictest65850irq/126-lan11:44:013
30812991111,0cyclictest65850irq/126-lan11:35:113
30812991111,0cyclictest65850irq/126-lan10:37:553
30812991111,0cyclictest65850irq/126-lan10:32:553
30812991111,0cyclictest65850irq/126-lan08:55:233
3081299109,1cyclictest65850irq/126-lan11:10:183
30801991010,0cyclictest30157-21kworker/0:4+events10:52:460
308129999,0cyclictest65850irq/126-lan07:25:183
308099998,1cyclictest743-21snmpd09:33:392
308099996,2cyclictest743-21snmpd09:15:292
308069998,1cyclictest743-21snmpd08:08:231
308069998,1cyclictest743-21snmpd07:22:151
308099988,0cyclictest743-21snmpd08:01:382
308099988,0cyclictest741-21lldpd10:15:312
308099988,0cyclictest741-21lldpd09:58:322
308099987,1cyclictest743-21snmpd12:29:322
308099987,1cyclictest743-21snmpd12:13:142
308099987,1cyclictest743-21snmpd08:36:452
308099987,1cyclictest522-21avahi-daemon08:45:582
308099987,1cyclictest28251-21dump-pmu-power09:40:012
308099986,2cyclictest743-21snmpd11:38:162
308099986,2cyclictest743-21snmpd11:12:452
308069988,0cyclictest743-21snmpd10:46:341
308069988,0cyclictest743-21snmpd10:30:271
308069988,0cyclictest743-21snmpd09:48:391
308069988,0cyclictest743-21snmpd08:31:091
308069988,0cyclictest741-21lldpd09:25:111
308069988,0cyclictest741-21lldpd07:42:181
308069987,1cyclictest743-21snmpd12:06:321
308069987,1cyclictest743-21snmpd07:30:101
308069987,1cyclictest741-21lldpd11:31:491
308069987,1cyclictest741-21lldpd10:35:131
308069987,1cyclictest741-21lldpd08:27:221
308069986,2cyclictest717-21ntpd12:10:571
308069986,2cyclictest717-21ntpd10:22:011
308069986,2cyclictest717-21ntpd10:15:031
308069985,3cyclictest717-21ntpd07:13:141
308019988,0cyclictest743-21snmpd12:18:350
308019988,0cyclictest741-21lldpd10:55:030
308019988,0cyclictest741-21lldpd10:46:580
308019988,0cyclictest741-21lldpd08:33:390
308019988,0cyclictest741-21lldpd07:55:420
308019987,1cyclictest743-21snmpd11:09:480
308019986,2cyclictest743-21snmpd10:28:430
308129970,5cyclictest15253-21ntpq09:05:173
308099977,0cyclictest743-21snmpd10:01:582
308099977,0cyclictest741-21lldpd10:22:552
308099976,1cyclictest743-21snmpd12:16:162
308099976,1cyclictest743-21snmpd11:07:122
308099976,1cyclictest743-21snmpd10:58:412
308099976,1cyclictest743-21snmpd07:39:282
308099976,1cyclictest743-21snmpd07:12:042
308099976,1cyclictest741-21lldpd07:28:002
308099976,1cyclictest522-21avahi-daemon12:05:132
308099976,1cyclictest522-21avahi-daemon07:20:282
308099975,2cyclictest743-21snmpd10:43:112
308099975,2cyclictest743-21snmpd09:10:312
308069977,0cyclictest743-21snmpd10:03:431
308069977,0cyclictest743-21snmpd09:15:531
308069977,0cyclictest741-21lldpd08:50:191
308069977,0cyclictest741-21lldpd08:49:021
308069976,1cyclictest743-21snmpd09:10:581
308069976,1cyclictest743-21snmpd08:56:451
308069976,1cyclictest741-21lldpd12:28:451
308069976,1cyclictest741-21lldpd10:26:031
308069976,1cyclictest717-21ntpd12:17:011
308069976,1cyclictest522-21avahi-daemon08:24:031
308069975,2cyclictest743-21snmpd10:13:431
308069975,2cyclictest743-21snmpd07:38:361
308069975,2cyclictest743-21snmpd07:16:071
308069975,2cyclictest717-21ntpd12:20:071
308069975,2cyclictest717-21ntpd10:09:571
308069975,2cyclictest717-21ntpd09:50:071
308069973,3cyclictest3012-21ntpq09:55:181
308019977,0cyclictest743-21snmpd12:06:190
308019977,0cyclictest743-21snmpd10:16:270
308019976,1cyclictest30157-21kworker/0:4+events09:50:160
308019976,1cyclictest30157-21kworker/0:4+events09:25:170
308019976,1cyclictest30157-21kworker/0:4+events09:15:160
308019976,1cyclictest30157-21kworker/0:4+events08:20:120
308019976,1cyclictest30157-21kworker/0:4+events08:10:150
308099966,0cyclictest741-21lldpd11:17:492
308099966,0cyclictest741-21lldpd08:29:532
308099966,0cyclictest741-21lldpd08:21:482
308099966,0cyclictest522-21avahi-daemon11:00:092
308099966,0cyclictest506-21systemd-resolve12:24:202
308099966,0cyclictest10098-21needreboot11:30:142
308099965,1cyclictest743-21snmpd10:25:002
308099965,1cyclictest743-21snmpd08:11:272
308099965,1cyclictest743-21snmpd07:55:352
308099965,1cyclictest17581-21cpuspeed_turbos11:50:112
308099965,1cyclictest13558-21apt-config07:45:012
308099964,2cyclictest743-21snmpd10:46:402
308099962,4cyclictest7806-21head11:25:142
308099962,3cyclictest20905-21irqstats09:20:132
308099961,5cyclictest557-21NetworkManager11:49:062
308099961,5cyclictest557-21NetworkManager08:51:242
308069966,0cyclictest747-21runrttasks11:00:121
308069966,0cyclictest743-21snmpd11:35:311
308069966,0cyclictest743-21snmpd11:20:031
308069966,0cyclictest506-21systemd-resolve11:44:431
308069965,1cyclictest743-21snmpd09:30:531
308069965,1cyclictest743-21snmpd07:50:281
308069965,1cyclictest522-21avahi-daemon08:01:561
308069965,1cyclictest12758-21grep09:00:161
308069964,2cyclictest743-21snmpd12:36:391
308069964,2cyclictest743-21snmpd11:07:331
308069964,2cyclictest743-21snmpd09:20:291
308069962,3cyclictest18708-21sed07:55:141
308019966,0cyclictest522-21avahi-daemon12:26:500
308019965,1cyclictest743-21snmpd11:28:160
308019965,1cyclictest522-21avahi-daemon08:42:430
308019965,1cyclictest30157-21kworker/0:4+events07:35:190
308019963,2cyclictest244-20systemd-journal10:35:140
308019962,3cyclictest5707-21fw_packets11:20:130
308019962,3cyclictest16220-21df07:50:120
308099955,0cyclictest741-21lldpd08:40:272
308099954,1cyclictest743-21snmpd08:09:592
308099954,1cyclictest31427-21nvmesmart_nvme009:45:182
308099954,1cyclictest1322-21gltestperf07:15:142
308099953,2cyclictest743-21snmpd12:30:352
308099953,2cyclictest743-21snmpd08:32:212
308099953,2cyclictest743-21snmpd07:51:072
308099952,3cyclictest759-21wc09:50:152
308099952,3cyclictest743-21snmpd10:31:402
308099952,3cyclictest743-21snmpd10:11:092
308099952,2cyclictest575-21rs:main2
308099952,2cyclictest25388-21dpkg10:50:012
308099952,2cyclictest23186-21ntp_kernel_err09:25:152
308099952,2cyclictest19548-21head10:35:152
308099952,2cyclictest14156-21cpuspeed_turbos07:45:132
308099950,4cyclictest22389-21ntp_states12:00:172
308069955,0cyclictest741-21lldpd11:55:421
308069955,0cyclictest741-21lldpd10:44:011
308069955,0cyclictest741-21lldpd09:39:581
308069955,0cyclictest741-21lldpd08:41:401
308069955,0cyclictest0-21swapper/111:13:051
308069954,1cyclictest522-21avahi-daemon09:43:061
308069954,1cyclictest27349-21ntpq08:15:181
308069954,1cyclictest2344-21cpuspeed_turbos08:35:111
308069953,2cyclictest557-21NetworkManager11:25:131
308069953,2cyclictest21870-21grep12:00:141
308069952,3cyclictest557-21NetworkManager12:32:201
308069952,2cyclictest717-21ntpd10:55:191
308069952,2cyclictest27081-21seq10:51:001
308069952,2cyclictest19072-21sshd11:52:551
308069952,2cyclictest14074-21grep07:45:131
308019955,0cyclictest743-21snmpd08:38:100
308019955,0cyclictest21221-21timerandwakeup08:00:200
308019954,1cyclictest522-21avahi-daemon09:04:170
308019953,2cyclictest15926-21cat11:45:130
308019952,2cyclictest20322-21ntpq11:55:190
308019952,2cyclictest13622-21pmu-power10:20:180
308099943,1cyclictest19772-21fschecks_time11:55:152
308099942,2cyclictest743-21snmpd08:15:212
308099942,2cyclictest3994-21nfs_client12:35:192
308099941,2cyclictest6420-21cut10:05:122
308099941,2cyclictest5920-21sed11:20:142
308099941,2cyclictest575-21rs:main2
308099941,2cyclictest13553-21cat11:40:122
308099941,2cyclictest12645-21grep09:00:152
308099941,2cyclictest11202-21ldconfig08:55:192
308099940,3cyclictest14944-21memory09:05:142
308069943,1cyclictest14389-21apt-get09:05:121
308069942,2cyclictest16150-21cut11:45:151
308069941,3cyclictest3570-21grep11:15:131
308069940,3cyclictest6429-21users07:25:231
308069940,3cyclictest24421-21perl08:10:131
308019941,2cyclictest8802-21cat10:10:130
308019940,4cyclictest30479-21ntpq12:20:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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