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2026-03-23 - 00:49

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 Mar 22, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24193991919,0cyclictest743-21snmpd11:48:092
24189991918,1cyclictest65850irq/126-lan12:04:421
24193991818,0cyclictest743-21snmpd12:21:382
24193991818,0cyclictest743-21snmpd12:18:222
24193991818,0cyclictest743-21snmpd12:02:312
24193991818,0cyclictest743-21snmpd11:57:402
24193991818,0cyclictest743-21snmpd11:52:572
24193991818,0cyclictest743-21snmpd09:58:512
24193991818,0cyclictest743-21snmpd09:31:112
24193991818,0cyclictest743-21snmpd08:58:272
24193991818,0cyclictest743-21snmpd08:52:152
24193991818,0cyclictest743-21snmpd07:57:392
24193991818,0cyclictest11361-21cat09:15:132
24189991818,0cyclictest65850irq/126-lan11:40:171
24189991818,0cyclictest65850irq/126-lan09:03:581
24189991817,1cyclictest65850irq/126-lan09:15:111
24193991717,0cyclictest743-21snmpd11:44:242
24193991717,0cyclictest743-21snmpd11:09:472
24193991717,0cyclictest743-21snmpd10:55:582
24193991717,0cyclictest743-21snmpd10:19:102
24193991717,0cyclictest743-21snmpd08:49:392
24193991717,0cyclictest743-21snmpd08:04:472
24193991717,0cyclictest743-21snmpd07:32:092
24189991717,0cyclictest65850irq/126-lan10:07:201
24189991717,0cyclictest65850irq/126-lan09:45:181
24189991717,0cyclictest65850irq/126-lan07:35:181
24189991716,1cyclictest65850irq/126-lan10:45:191
24189991716,1cyclictest65850irq/126-lan10:35:131
24189991716,1cyclictest65850irq/126-lan10:25:031
24189991716,1cyclictest65850irq/126-lan09:25:191
24189991716,1cyclictest65850irq/126-lan09:05:201
24189991716,1cyclictest65850irq/126-lan07:55:131
24189991716,1cyclictest65850irq/126-lan07:15:141
24189991616,0cyclictest65850irq/126-lan12:09:161
24189991616,0cyclictest65850irq/126-lan09:52:331
24189991616,0cyclictest65850irq/126-lan08:17:251
24189991616,0cyclictest65850irq/126-lan07:45:381
24189991616,0cyclictest65850irq/126-lan07:45:371
24189991615,1cyclictest65850irq/126-lan12:25:131
24189991615,1cyclictest65850irq/126-lan12:20:201
24189991615,1cyclictest65850irq/126-lan11:55:121
24189991615,1cyclictest65850irq/126-lan10:40:211
24189991615,1cyclictest65850irq/126-lan10:30:201
24189991615,1cyclictest65850irq/126-lan08:32:361
24189991615,1cyclictest65850irq/126-lan08:25:161
24189991615,1cyclictest65850irq/126-lan07:40:211
24189991615,1cyclictest65850irq/126-lan07:30:141
24189991515,0cyclictest65850irq/126-lan12:35:141
24189991515,0cyclictest65850irq/126-lan11:19:201
24189991515,0cyclictest65850irq/126-lan11:05:121
24189991515,0cyclictest65850irq/126-lan08:38:561
24189991515,0cyclictest65850irq/126-lan08:20:131
24189991514,1cyclictest65850irq/126-lan11:35:151
24189991514,1cyclictest65850irq/126-lan10:18:561
24189991514,1cyclictest65850irq/126-lan09:55:111
24189991514,1cyclictest65850irq/126-lan09:10:171
24189991414,0cyclictest65850irq/126-lan11:32:551
24189991414,0cyclictest65850irq/126-lan11:20:141
24189991414,0cyclictest65850irq/126-lan11:00:001
24189991414,0cyclictest65850irq/126-lan10:50:561
24189991413,1cyclictest65850irq/126-lan11:53:571
24189991413,1cyclictest65850irq/126-lan10:14:151
24189991313,0cyclictest65850irq/126-lan10:55:191
24189991313,0cyclictest65850irq/126-lan09:30:111
24189991313,0cyclictest65850irq/126-lan08:55:161
24189991313,0cyclictest65850irq/126-lan08:40:171
24189991313,0cyclictest65850irq/126-lan08:06:561
24189991313,0cyclictest65850irq/126-lan08:00:561
24189991312,1cyclictest65850irq/126-lan12:10:161
24189991312,1cyclictest65850irq/126-lan09:40:201
24189991312,1cyclictest65850irq/126-lan09:20:561
24189991312,1cyclictest65850irq/126-lan07:20:201
24189991312,1cyclictest65850irq/126-lan07:10:231
24189991212,0cyclictest65850irq/126-lan12:31:551
24189991212,0cyclictest65850irq/126-lan11:12:411
24189991212,0cyclictest65850irq/126-lan08:48:561
24189991211,1cyclictest65850irq/126-lan09:35:131
24189991211,1cyclictest65850irq/126-lan08:10:111
24189991111,0cyclictest65850irq/126-lan11:25:171
2418999109,1cyclictest65850irq/126-lan11:45:121
24189991010,0cyclictest65850irq/126-lan08:53:571
241969998,1cyclictest743-21snmpd11:18:183
241969998,1cyclictest743-21snmpd07:35:463
241899998,1cyclictest65850irq/126-lan12:19:561
241899998,1cyclictest65850irq/126-lan10:20:121
241899998,1cyclictest65850irq/126-lan07:25:161
241849998,1cyclictest743-21snmpd09:31:470
241849998,1cyclictest743-21snmpd08:11:230
241969988,0cyclictest743-21snmpd11:45:273
241969988,0cyclictest743-21snmpd09:29:103
241969988,0cyclictest743-21snmpd08:38:243
241969988,0cyclictest743-21snmpd08:27:193
241969988,0cyclictest743-21snmpd07:49:133
241969988,0cyclictest743-21snmpd07:49:133
241969988,0cyclictest741-21lldpd10:46:153
241969988,0cyclictest24603-21fschecks_time07:10:143
241969987,1cyclictest743-21snmpd08:20:023
241969987,1cyclictest741-21lldpd12:27:493
241969987,1cyclictest741-21lldpd09:57:443
241969987,1cyclictest741-21lldpd09:39:463
241969987,1cyclictest741-21lldpd08:07:493
241969987,1cyclictest522-21avahi-daemon09:20:173
241969986,2cyclictest743-21snmpd12:32:113
241939988,0cyclictest741-21lldpd12:12:462
241939987,1cyclictest743-21snmpd11:18:562
241939987,1cyclictest743-21snmpd11:04:292
241939987,1cyclictest743-21snmpd09:05:552
241939987,1cyclictest743-21snmpd09:01:342
241939986,2cyclictest743-21snmpd11:33:032
241939986,2cyclictest743-21snmpd08:28:132
241939986,2cyclictest743-21snmpd08:11:402
241939986,2cyclictest743-21snmpd07:27:482
241939986,2cyclictest4018-21cat11:35:142
241849988,0cyclictest743-21snmpd11:46:300
241849988,0cyclictest741-21lldpd11:54:530
241849988,0cyclictest741-21lldpd11:30:320
241849988,0cyclictest741-21lldpd11:26:520
241849988,0cyclictest741-21lldpd10:39:570
241849987,1cyclictest743-21snmpd08:32:450
241849987,1cyclictest741-21lldpd08:39:190
241849986,2cyclictest743-21snmpd11:38:490
241849986,2cyclictest743-21snmpd11:22:230
241849986,2cyclictest743-21snmpd11:03:170
241849986,2cyclictest743-21snmpd10:55:550
241849986,2cyclictest743-21snmpd09:58:140
241849986,2cyclictest743-21snmpd09:53:530
241969977,0cyclictest743-21snmpd11:32:093
241969977,0cyclictest743-21snmpd10:35:313
241969977,0cyclictest741-21lldpd12:11:203
241969977,0cyclictest741-21lldpd12:06:243
241969977,0cyclictest741-21lldpd10:57:293
241969977,0cyclictest741-21lldpd09:54:063
241969976,1cyclictest743-21snmpd10:11:423
241969976,1cyclictest743-21snmpd07:59:373
241969976,1cyclictest741-21lldpd08:16:093
241969975,2cyclictest743-21snmpd11:59:193
241969975,2cyclictest743-21snmpd10:52:343
241969975,2cyclictest743-21snmpd09:32:473
241969975,2cyclictest743-21snmpd09:12:403
241969975,2cyclictest743-21snmpd08:42:563
241969975,2cyclictest743-21snmpd08:34:033
241969975,2cyclictest743-21snmpd07:20:573
241939977,0cyclictest743-21snmpd09:29:532
241939977,0cyclictest741-21lldpd11:13:202
241939977,0cyclictest741-21lldpd09:44:522
241939976,1cyclictest743-21snmpd10:07:182
241939976,1cyclictest741-21lldpd09:23:442
241939975,2cyclictest743-21snmpd10:36:402
241939975,2cyclictest17820-21cat10:50:142
241899977,0cyclictest743-21snmpd07:52:101
241899977,0cyclictest743-21snmpd07:52:101
241849977,0cyclictest743-21snmpd10:25:270
241849977,0cyclictest741-21lldpd12:30:490
241849977,0cyclictest741-21lldpd11:11:240
241849977,0cyclictest522-21avahi-daemon07:57:000
241849976,1cyclictest9032-21cat07:50:150
241849976,1cyclictest9032-21cat07:50:150
241849976,1cyclictest743-21snmpd10:48:490
241849975,2cyclictest743-21snmpd12:39:170
241849975,2cyclictest743-21snmpd12:11:430
241849975,2cyclictest743-21snmpd12:01:190
241849975,2cyclictest743-21snmpd10:53:220
241849975,2cyclictest743-21snmpd09:08:250
241849975,2cyclictest743-21snmpd08:48:150
241849975,2cyclictest743-21snmpd08:08:410
241849974,3cyclictest743-21snmpd09:35:590
241849974,3cyclictest11167-21sort09:15:120
241849973,3cyclictest23443-21fw_conntrack08:25:130
241849972,3cyclictest13558-21cat12:00:000
241969966,0cyclictest743-21snmpd11:11:533
241969966,0cyclictest743-21snmpd10:15:333
241969966,0cyclictest743-21snmpd08:51:363
241969966,0cyclictest741-21lldpd12:21:053
241969966,0cyclictest741-21lldpd12:18:113
241969966,0cyclictest741-21lldpd11:54:063
241969966,0cyclictest741-21lldpd09:07:483
241969966,0cyclictest522-21avahi-daemon10:28:283
241969966,0cyclictest522-21avahi-daemon07:28:553
241969965,1cyclictest743-21snmpd12:03:103
241969965,1cyclictest743-21snmpd09:47:443
241969965,1cyclictest743-21snmpd07:53:193
241969965,1cyclictest743-21snmpd07:53:193
241969965,1cyclictest741-21lldpd08:46:333
241969964,2cyclictest743-21snmpd11:36:063
241969964,2cyclictest743-21snmpd08:57:023
241969964,2cyclictest5901-21turbostat.cron07:45:013
241969963,3cyclictest557-21NetworkManager10:31:023
241969963,3cyclictest23446-21apt-get11:05:113
241939966,0cyclictest743-21snmpd10:47:262
241939966,0cyclictest741-21lldpd08:36:212
241939966,0cyclictest741-21lldpd07:45:512
241939966,0cyclictest741-21lldpd07:45:502
241939966,0cyclictest522-21avahi-daemon10:04:482
241939965,1cyclictest32163-21fschecks_count11:25:142
241939965,1cyclictest13668-21gltestperf10:40:142
241939964,2cyclictest743-21snmpd10:13:272
241939963,3cyclictest23483-21apt-get09:45:112
241939963,2cyclictest5299-21apt-get10:20:122
241939963,0cyclictest191rcu_preempt08:15:192
241849966,0cyclictest743-21snmpd10:09:150
241849966,0cyclictest741-21lldpd11:15:100
241849966,0cyclictest741-21lldpd10:30:050
241849966,0cyclictest573-21in:imuxsock09:48:410
241849966,0cyclictest573-21in:imuxsock09:22:410
241849966,0cyclictest522-21avahi-daemon12:28:140
241849965,1cyclictest743-21snmpd12:22:280
241849965,1cyclictest743-21snmpd11:07:590
241849965,1cyclictest743-21snmpd08:55:540
241849965,1cyclictest743-21snmpd07:25:300
241849964,2cyclictest743-21snmpd10:20:210
241849964,2cyclictest743-21snmpd09:10:340
241849964,2cyclictest743-21snmpd07:11:150
241849963,3cyclictest18945-21perl08:15:130
241849962,3cyclictest14389-21cron08:05:010
241969955,0cyclictest741-21lldpd07:17:273
241969955,0cyclictest522-21avahi-daemon09:00:273
241969955,0cyclictest0-21swapper/311:20:123
241969953,2cyclictest575-21rs:main3
241969952,3cyclictest17910-21sed08:10:203
241969952,2cyclictest244-20systemd-journal11:44:233
241969952,2cyclictest1226-21cat07:30:203
241939955,0cyclictest743-21snmpd09:11:222
241939955,0cyclictest743-21snmpd07:22:302
241939954,1cyclictest743-21snmpd07:19:572
241939954,1cyclictest30658-21ntpq11:20:152
241939954,1cyclictest0-21swapper/209:36:352
241939954,1cyclictest0-21swapper/207:10:512
241939954,0cyclictest191rcu_preempt12:05:122
241939953,2cyclictest717-21ntpd10:26:462
241939953,2cyclictest717-21ntpd09:50:212
241939953,2cyclictest717-21ntpd08:05:492
241939953,1cyclictest9925-21grep07:50:222
241939953,1cyclictest9925-21grep07:50:222
241939952,2cyclictest28434-21tune2fs12:35:142
241939952,2cyclictest2500-21if_lan07:35:132
241939952,2cyclictest244-20systemd-journal08:32:582
241939952,2cyclictest20694-21/usr/sbin/munin08:20:222
241899954,1cyclictest65850irq/126-lan10:00:111
241849955,0cyclictest743-21snmpd07:48:280
241849955,0cyclictest743-21snmpd07:48:280
241849955,0cyclictest573-21in:imuxsock09:44:390
241849955,0cyclictest522-21avahi-daemon07:41:410
241849955,0cyclictest2603-21turbostat08:55:000
241849954,1cyclictest26728-21gltestperf07:15:150
241849953,2cyclictest743-21snmpd12:09:100
241849953,2cyclictest743-21snmpd10:03:180
241849953,2cyclictest743-21snmpd07:30:060
241849953,2cyclictest21480-21ntpq08:20:160
241849952,3cyclictest3551-21fw_forwarded_lo10:15:130
241849951,3cyclictest19879-21df12:15:120
241969944,0cyclictest743-21snmpd11:25:113
241969944,0cyclictest743-21snmpd10:23:123
241969944,0cyclictest522-21avahi-daemon10:05:463
241969942,2cyclictest743-21snmpd12:36:363
241969942,2cyclictest21190-21dpkg09:40:003
241969941,2cyclictest741-21lldpd08:00:173
241969941,2cyclictest22050-21cat11:00:153
241969941,2cyclictest13331-21date10:40:003
241939944,0cyclictest741-21lldpd07:41:362
241939943,1cyclictest0-21swapper/212:25:142
241939943,0cyclictest9995-21needreboot10:30:152
241939941,3cyclictest26858-21cut12:30:152
241939940,3cyclictest29223-21apt-get08:40:112
241849944,0cyclictest5992-21gltestperf11:40:130
241849943,1cyclictest28802-21gltestperf07:20:120
241849943,1cyclictest1384-21fschecks_count10:10:130
241849941,2cyclictest2103-21cpu07:35:090
241849941,2cyclictest13922-21load10:40:150
241849940,3cyclictest5191-21fw_forwarded_lo09:00:130
241849940,3cyclictest15284-21fw_packets09:25:110
241849930,3cyclictest29190-21taskset08:40:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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