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2026-08-08 - 15:23

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 Sat Aug 08, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5095993333,0cyclictest5705-21fwupd09:49:492
5086991918,1cyclictest65850irq/126-lan09:11:110
5086991818,0cyclictest65850irq/126-lan10:25:130
5086991818,0cyclictest65850irq/126-lan09:30:220
5086991818,0cyclictest65850irq/126-lan09:30:220
5086991817,1cyclictest743-21snmpd07:43:280
5086991717,0cyclictest743-21snmpd11:33:110
5086991717,0cyclictest743-21snmpd10:32:090
5086991717,0cyclictest743-21snmpd08:15:260
5086991717,0cyclictest65850irq/126-lan12:39:360
5086991717,0cyclictest65850irq/126-lan12:10:160
5086991717,0cyclictest65850irq/126-lan11:09:390
5086991717,0cyclictest65850irq/126-lan10:41:420
5086991717,0cyclictest65850irq/126-lan09:50:160
5086991717,0cyclictest65850irq/126-lan08:40:190
5086991717,0cyclictest65850irq/126-lan08:30:190
5086991717,0cyclictest65850irq/126-lan08:25:130
5086991717,0cyclictest65850irq/126-lan07:31:370
5086991717,0cyclictest65850irq/126-lan07:25:170
5086991716,1cyclictest65850irq/126-lan12:25:190
5086991716,1cyclictest65850irq/126-lan10:45:140
5086991716,1cyclictest65850irq/126-lan09:15:120
5086991716,1cyclictest65850irq/126-lan09:00:170
5086991716,1cyclictest65850irq/126-lan07:10:150
5086991616,0cyclictest743-21snmpd11:55:330
5086991616,0cyclictest743-21snmpd11:40:120
5086991616,0cyclictest743-21snmpd11:36:270
5086991616,0cyclictest743-21snmpd11:25:380
5086991616,0cyclictest65850irq/126-lan11:15:210
5086991616,0cyclictest65850irq/126-lan10:50:220
5086991616,0cyclictest65850irq/126-lan10:35:170
5086991616,0cyclictest65850irq/126-lan08:35:130
5086991616,0cyclictest65850irq/126-lan08:00:150
5086991616,0cyclictest65850irq/126-lan07:45:170
5086991616,0cyclictest65850irq/126-lan07:15:180
5086991615,1cyclictest65850irq/126-lan11:00:140
5086991615,1cyclictest65850irq/126-lan09:25:160
5086991615,1cyclictest65850irq/126-lan08:55:120
5086991615,1cyclictest65850irq/126-lan08:50:180
5086991615,1cyclictest65850irq/126-lan08:10:170
5086991515,0cyclictest743-21snmpd10:18:270
5086991515,0cyclictest743-21snmpd10:03:270
5086991515,0cyclictest743-21snmpd09:05:400
5086991515,0cyclictest65850irq/126-lan12:30:170
5086991515,0cyclictest65850irq/126-lan12:05:150
5086991515,0cyclictest65850irq/126-lan11:50:160
5086991515,0cyclictest65850irq/126-lan10:05:160
5086991515,0cyclictest65850irq/126-lan09:45:210
5086991515,0cyclictest65850irq/126-lan09:40:110
5086991515,0cyclictest65850irq/126-lan08:45:130
5086991515,0cyclictest65850irq/126-lan07:50:120
5086991515,0cyclictest65850irq/126-lan07:35:210
5086991515,0cyclictest27831-21cat12:00:150
5086991514,1cyclictest65850irq/126-lan10:20:220
5086991514,1cyclictest65850irq/126-lan09:59:470
5086991514,1cyclictest65850irq/126-lan07:59:360
5086991514,1cyclictest65850irq/126-lan07:20:210
5086991414,0cyclictest743-21snmpd09:35:020
5086991414,0cyclictest743-21snmpd08:05:050
5086991414,0cyclictest65850irq/126-lan11:20:190
5086991414,0cyclictest65850irq/126-lan11:12:390
5086991414,0cyclictest65850irq/126-lan10:59:430
5086991413,1cyclictest65850irq/126-lan12:15:170
5086991413,1cyclictest65850irq/126-lan11:45:130
5086991312,1cyclictest65850irq/126-lan08:20:150
5086991212,0cyclictest65850irq/126-lan12:20:230
5086991212,0cyclictest65850irq/126-lan10:10:370
510099116,2cyclictest191rcu_preempt09:05:193
5086991110,1cyclictest65850irq/126-lan09:20:150
51009998,1cyclictest743-21snmpd08:21:133
51009998,1cyclictest743-21snmpd07:21:153
51009996,3cyclictest743-21snmpd11:17:383
50959998,1cyclictest743-21snmpd09:21:492
50959998,1cyclictest743-21snmpd08:51:512
50959998,1cyclictest743-21snmpd07:57:142
50959998,1cyclictest741-21lldpd10:53:012
50919998,1cyclictest743-21snmpd11:15:381
50919998,1cyclictest743-21snmpd10:07:151
50919998,1cyclictest741-21lldpd10:03:201
51009988,0cyclictest743-21snmpd09:54:583
51009988,0cyclictest741-21lldpd12:02:003
51009987,1cyclictest741-21lldpd08:11:343
51009986,2cyclictest743-21snmpd10:49:463
51009986,2cyclictest743-21snmpd09:02:103
51009986,2cyclictest743-21snmpd08:15:083
51009986,2cyclictest743-21snmpd08:06:043
51009986,2cyclictest743-21snmpd07:43:133
51009986,0cyclictest191rcu_preempt09:29:183
51009986,0cyclictest191rcu_preempt08:33:483
51009984,3cyclictest21414-21ntp_states10:25:193
50959988,0cyclictest743-21snmpd12:29:262
50959988,0cyclictest743-21snmpd10:10:242
50959988,0cyclictest743-21snmpd09:32:222
50959988,0cyclictest743-21snmpd09:32:222
50959988,0cyclictest743-21snmpd09:28:242
50959988,0cyclictest741-21lldpd10:44:292
50959988,0cyclictest741-21lldpd09:06:512
50959988,0cyclictest741-21lldpd07:52:272
50959987,1cyclictest743-21snmpd11:53:032
50959987,1cyclictest743-21snmpd08:59:452
50959987,1cyclictest741-21lldpd09:10:082
50959986,2cyclictest743-21snmpd10:38:402
50959986,2cyclictest743-21snmpd10:15:272
50959986,2cyclictest743-21snmpd08:34:302
50959986,2cyclictest743-21snmpd07:14:212
50959986,2cyclictest2407-21cat09:40:152
50919988,0cyclictest743-21snmpd12:09:131
50919988,0cyclictest743-21snmpd10:56:491
50919988,0cyclictest743-21snmpd09:57:231
50919988,0cyclictest743-21snmpd09:11:211
50919988,0cyclictest741-21lldpd10:31:201
50919988,0cyclictest741-21lldpd10:16:441
50919988,0cyclictest741-21lldpd09:45:301
50919988,0cyclictest741-21lldpd08:18:581
50919988,0cyclictest741-21lldpd08:09:011
50919988,0cyclictest741-21lldpd07:20:171
50919987,1cyclictest743-21snmpd12:20:401
50919987,1cyclictest743-21snmpd11:48:501
50919987,1cyclictest743-21snmpd10:44:361
50919987,1cyclictest743-21snmpd07:40:191
50919987,1cyclictest10476-21gltestperf08:40:121
50919986,2cyclictest743-21snmpd10:22:421
50919986,2cyclictest743-21snmpd08:59:481
50919986,2cyclictest717-21ntpd12:34:391
50919986,2cyclictest717-21ntpd09:43:401
50919986,2cyclictest717-21ntpd09:37:401
50919986,2cyclictest717-21ntpd07:34:541
51009977,0cyclictest743-21snmpd11:49:213
51009977,0cyclictest743-21snmpd09:37:403
51009977,0cyclictest743-21snmpd08:03:143
51009977,0cyclictest741-21lldpd12:31:423
51009977,0cyclictest741-21lldpd08:58:353
51009977,0cyclictest741-21lldpd08:41:573
51009977,0cyclictest741-21lldpd07:46:443
51009976,1cyclictest743-21snmpd11:11:013
51009976,1cyclictest743-21snmpd10:59:463
51009976,1cyclictest741-21lldpd08:25:243
51009976,1cyclictest13642-21gltestperf07:30:143
51009975,2cyclictest743-21snmpd09:57:443
51009975,2cyclictest743-21snmpd07:59:593
51009975,2cyclictest743-21snmpd07:17:303
51009973,2cyclictest12351-21fschecks_count08:45:143
51009970,5cyclictest20315-21idleruntime-cro10:25:013
50959977,0cyclictest743-21snmpd11:23:142
50959977,0cyclictest743-21snmpd10:24:122
50959977,0cyclictest741-21lldpd12:17:362
50959977,0cyclictest741-21lldpd12:12:522
50959977,0cyclictest741-21lldpd11:12:472
50959977,0cyclictest741-21lldpd09:19:432
50959977,0cyclictest741-21lldpd08:46:192
50959976,1cyclictest743-21snmpd11:08:232
50959976,1cyclictest743-21snmpd10:09:392
50959976,1cyclictest743-21snmpd07:29:222
50959976,1cyclictest741-21lldpd11:18:092
50959976,1cyclictest28027-21cpuspeed_turbos08:05:122
50959976,1cyclictest17674-21fschecks_time07:40:152
50959976,1cyclictest13697-21cat11:25:152
50959975,2cyclictest743-21snmpd12:31:412
50959975,2cyclictest743-21snmpd10:33:492
50959975,2cyclictest743-21snmpd10:26:202
50959975,2cyclictest743-21snmpd08:44:212
50959975,2cyclictest743-21snmpd07:47:552
50959975,2cyclictest743-21snmpd07:38:152
50959972,5cyclictest557-21NetworkManager08:18:552
50919977,0cyclictest743-21snmpd08:36:481
50919977,0cyclictest741-21lldpd11:32:091
50919977,0cyclictest741-21lldpd09:23:511
50919977,0cyclictest741-21lldpd08:47:551
50919976,1cyclictest743-21snmpd09:50:141
50919976,1cyclictest717-21ntpd11:00:391
50919976,1cyclictest717-21ntpd07:36:371
50919976,1cyclictest11329-21cpuspeed_turbos11:20:131
50919975,2cyclictest743-21snmpd11:36:121
50919975,2cyclictest743-21snmpd11:08:411
50919975,2cyclictest717-21ntpd11:56:401
50919975,2cyclictest717-21ntpd07:50:351
50919975,2cyclictest717-21ntpd07:19:561
50919975,2cyclictest11776-21cat07:25:141
50919974,3cyclictest717-21ntpd11:50:481
50919973,3cyclictest557-21NetworkManager11:25:181
51009966,0cyclictest741-21lldpd11:53:543
51009966,0cyclictest741-21lldpd09:18:033
51009966,0cyclictest5081-21cyclictest09:20:183
51009966,0cyclictest1325-21fschecks_time12:15:143
51009965,1cyclictest741-21lldpd10:32:503
51009965,1cyclictest15709-21taskset08:52:463
51009965,0cyclictest191rcu_preempt12:28:443
51009964,2cyclictest717-21ntpd12:10:183
51009964,0cyclictest191rcu_preempt12:22:293
51009964,0cyclictest191rcu_preempt11:30:033
51009964,0cyclictest191rcu_preempt11:29:253
51009963,2cyclictest191rcu_preempt12:35:143
51009963,1cyclictest52-21ksoftirqd/311:55:183
51009963,1cyclictest191rcu_preempt09:40:183
51009963,1cyclictest191rcu_preempt07:13:363
51009962,3cyclictest30253-21ntpq12:05:193
51009962,3cyclictest0-21swapper/310:10:213
51009961,4cyclictest52-21ksoftirqd/310:35:193
51009960,4cyclictest52-21ksoftirqd/311:00:123
50959966,0cyclictest743-21snmpd11:47:172
50959966,0cyclictest743-21snmpd08:04:382
50959966,0cyclictest743-21snmpd07:22:302
50959966,0cyclictest741-21lldpd12:02:412
50959966,0cyclictest522-21avahi-daemon09:59:032
50959965,1cyclictest421ktimers/210:55:182
50959964,2cyclictest743-21snmpd10:00:532
50959964,2cyclictest29862-21cat12:05:162
50959962,3cyclictest9135-21apt-get12:35:132
50959962,3cyclictest31099-21ld08:10:172
50919966,0cyclictest743-21snmpd12:13:221
50919966,0cyclictest741-21lldpd11:43:591
50919966,0cyclictest506-21systemd-resolve09:26:271
50919965,1cyclictest743-21snmpd09:01:491
50919965,1cyclictest741-21lldpd10:39:241
50919965,1cyclictest717-21ntpd09:15:021
50919965,1cyclictest19837-21gltestperf07:45:131
50919965,1cyclictest1124-21cpuspeed_turbos12:15:141
50919964,2cyclictest717-21ntpd12:00:421
50919964,2cyclictest717-21ntpd08:00:101
51009955,0cyclictest4355-21gltestperf09:45:133
51009955,0cyclictest0-21swapper/310:00:133
51009954,1cyclictest22999-21ntpq09:10:173
51009954,0cyclictest191rcu_preempt10:40:173
51009954,0cyclictest191rcu_preempt10:18:143
51009954,0cyclictest191rcu_preempt07:25:203
51009953,2cyclictest743-21snmpd10:05:023
51009953,2cyclictest743-21snmpd09:30:433
51009953,2cyclictest743-21snmpd09:30:433
51009951,3cyclictest9371-21sed08:35:213
51009951,3cyclictest0-21swapper/307:50:113
51009951,2cyclictest0-21swapper/311:35:143
51009950,2cyclictest52-21ksoftirqd/311:20:153
51009950,2cyclictest20105-21ntp_kernel_pll_11:40:173
51009950,1cyclictest31086-21apt-get10:50:123
51009950,1cyclictest0-21swapper/311:05:133
50959955,0cyclictest741-21lldpd08:37:362
50959955,0cyclictest522-21avahi-daemon09:51:002
50959954,1cyclictest27128-21idleruntime-cro12:00:002
50959953,2cyclictest557-21NetworkManager08:25:012
50959952,3cyclictest557-21NetworkManager09:35:042
50959952,2cyclictest8997-21sshd07:19:512
50959952,2cyclictest575-21rs:main2
50959952,2cyclictest3828-21ls08:25:002
50959952,2cyclictest18582-21awk11:35:222
50959951,3cyclictest3171-21if_lan11:00:152
50959951,3cyclictest29372-21fw_packets10:45:152
50959950,4cyclictest3944-21ntpq12:20:192
50919955,0cyclictest741-21lldpd09:30:511
50919955,0cyclictest741-21lldpd09:30:511
50919955,0cyclictest522-21avahi-daemon09:05:301
50919955,0cyclictest0-21swapper/108:30:161
50919954,1cyclictest743-21snmpd12:26:081
50919954,1cyclictest717-21ntpd07:55:021
50919954,1cyclictest522-21avahi-daemon08:11:491
50919954,1cyclictest29922-21ntpq10:45:191
50919953,2cyclictest743-21snmpd11:12:171
50919953,2cyclictest743-21snmpd07:10:481
50919952,3cyclictest31677-21grep10:50:161
50919951,3cyclictest14246-21diskstats10:10:121
50919950,4cyclictest9963-21ntpq12:35:191
51009943,1cyclictest511ktimers/307:35:143
50959942,2cyclictest743-21snmpd11:40:392
50959942,2cyclictest557-21NetworkManager11:30:222
50959940,3cyclictest13517-21/usr/sbin/munin07:30:142
50919944,0cyclictest743-21snmpd08:21:071
50919942,2cyclictest743-21snmpd10:25:111
50919941,2cyclictest4888-21grep08:25:181
50919941,2cyclictest14776-21cut08:50:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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