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2026-08-01 - 19:01

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 01, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
347991918,1cyclictest65850irq/126-lan11:50:110
347991918,1cyclictest65850irq/126-lan10:01:030
347991818,0cyclictest65850irq/126-lan11:35:210
347991817,1cyclictest65850irq/126-lan12:31:020
347991817,1cyclictest65850irq/126-lan12:20:170
347991817,1cyclictest65850irq/126-lan11:30:140
347991817,1cyclictest65850irq/126-lan11:00:000
347991817,1cyclictest65850irq/126-lan10:10:210
347991817,1cyclictest65850irq/126-lan09:45:140
347991817,1cyclictest65850irq/126-lan08:10:210
347991717,0cyclictest65850irq/126-lan11:29:460
347991717,0cyclictest65850irq/126-lan10:37:420
347991717,0cyclictest65850irq/126-lan09:13:020
347991717,0cyclictest65850irq/126-lan08:07:250
347991716,1cyclictest65850irq/126-lan10:45:540
347991716,1cyclictest65850irq/126-lan10:25:190
347991716,1cyclictest65850irq/126-lan09:30:140
347991716,1cyclictest65850irq/126-lan08:45:130
347991716,1cyclictest65850irq/126-lan08:00:170
347991716,1cyclictest65850irq/126-lan07:10:180
347991616,0cyclictest65850irq/126-lan10:53:030
347991615,1cyclictest65850irq/126-lan12:35:120
347991615,1cyclictest65850irq/126-lan11:55:150
347991615,1cyclictest65850irq/126-lan11:22:210
347991615,1cyclictest65850irq/126-lan11:15:150
347991615,1cyclictest65850irq/126-lan11:05:140
347991615,1cyclictest65850irq/126-lan11:00:170
347991615,1cyclictest65850irq/126-lan10:31:030
347991615,1cyclictest65850irq/126-lan10:05:160
347991615,1cyclictest65850irq/126-lan10:05:150
347991615,1cyclictest65850irq/126-lan09:50:140
347991615,1cyclictest65850irq/126-lan09:35:130
347991615,1cyclictest65850irq/126-lan09:00:200
347991615,1cyclictest65850irq/126-lan08:40:150
347991615,1cyclictest65850irq/126-lan08:15:210
347991615,1cyclictest65850irq/126-lan07:30:120
347991515,0cyclictest65850irq/126-lan12:29:020
347991515,0cyclictest65850irq/126-lan10:20:190
347991515,0cyclictest65850irq/126-lan07:45:060
347991514,1cyclictest65850irq/126-lan12:15:140
347991514,1cyclictest65850irq/126-lan12:10:160
347991514,1cyclictest65850irq/126-lan12:05:140
347991514,1cyclictest65850irq/126-lan12:00:180
347991514,1cyclictest65850irq/126-lan10:15:210
347991414,0cyclictest65850irq/126-lan10:40:190
347991414,0cyclictest65850irq/126-lan07:21:020
347991413,1cyclictest65850irq/126-lan09:55:290
347991413,1cyclictest65850irq/126-lan08:55:220
347991413,1cyclictest65850irq/126-lan07:40:230
347991313,0cyclictest65850irq/126-lan11:45:450
347991313,0cyclictest65850irq/126-lan09:20:180
347991313,0cyclictest65850irq/126-lan07:15:150
347991312,1cyclictest65850irq/126-lan11:10:170
347991312,1cyclictest65850irq/126-lan09:40:180
347991312,1cyclictest65850irq/126-lan09:15:180
347991312,1cyclictest65850irq/126-lan08:35:130
347991211,1cyclictest65850irq/126-lan09:05:120
347991211,1cyclictest65850irq/126-lan08:53:540
347991211,1cyclictest65850irq/126-lan08:34:030
347991211,1cyclictest65850irq/126-lan07:55:150
347991111,0cyclictest65850irq/126-lan11:40:120
347991111,0cyclictest65850irq/126-lan09:25:220
347991111,0cyclictest65850irq/126-lan08:25:130
347991111,0cyclictest65850irq/126-lan07:25:200
347991110,1cyclictest65850irq/126-lan07:40:000
3659998,1cyclictest743-21snmpd10:55:193
3659998,1cyclictest743-21snmpd10:49:293
3659998,1cyclictest743-21snmpd10:35:003
3659998,1cyclictest743-21snmpd09:48:393
3589998,1cyclictest743-21snmpd09:23:462
3589998,1cyclictest6401-21fschecks_time11:20:132
3659988,0cyclictest743-21snmpd08:30:063
3659988,0cyclictest743-21snmpd07:27:323
3659988,0cyclictest741-21lldpd12:17:073
3659988,0cyclictest741-21lldpd09:33:223
3659988,0cyclictest741-21lldpd07:30:563
3659987,1cyclictest743-21snmpd11:32:093
3659987,1cyclictest743-21snmpd10:13:013
3659987,1cyclictest569-21sh12:25:003
3659986,2cyclictest743-21snmpd11:45:553
3659986,2cyclictest743-21snmpd11:13:233
3659986,2cyclictest743-21snmpd10:21:183
3659986,2cyclictest743-21snmpd09:03:023
3659986,2cyclictest343-21cyclictest12:00:123
3589988,0cyclictest743-21snmpd12:20:112
3589988,0cyclictest741-21lldpd11:58:362
3589988,0cyclictest741-21lldpd11:52:302
3589988,0cyclictest741-21lldpd10:27:002
3589988,0cyclictest741-21lldpd07:28:532
3589987,1cyclictest743-21snmpd10:05:312
3589987,1cyclictest743-21snmpd10:05:302
3589987,1cyclictest743-21snmpd08:54:552
3589987,1cyclictest743-21snmpd08:05:412
3589987,1cyclictest741-21lldpd09:36:462
3589986,2cyclictest743-21snmpd12:16:312
3589986,2cyclictest743-21snmpd12:12:042
3589986,2cyclictest743-21snmpd09:29:112
3589986,2cyclictest717-21ntpd12:38:152
3589986,2cyclictest717-21ntpd12:30:382
3589986,2cyclictest717-21ntpd08:13:102
3589986,2cyclictest717-21ntpd08:00:392
3529988,0cyclictest743-21snmpd08:08:171
3529988,0cyclictest743-21snmpd08:03:261
3529988,0cyclictest741-21lldpd11:02:421
3529988,0cyclictest741-21lldpd10:30:391
3529988,0cyclictest741-21lldpd08:58:211
3529988,0cyclictest741-21lldpd07:12:561
3529987,1cyclictest741-21lldpd12:12:401
3529986,2cyclictest743-21snmpd12:27:501
3529986,2cyclictest743-21snmpd11:14:261
3529986,2cyclictest743-21snmpd08:45:281
3529986,2cyclictest743-21snmpd07:53:381
3479987,1cyclictest65850irq/126-lan07:50:130
3659977,0cyclictest743-21snmpd12:07:263
3659977,0cyclictest743-21snmpd11:29:143
3659977,0cyclictest741-21lldpd12:30:333
3659977,0cyclictest741-21lldpd11:04:323
3659977,0cyclictest741-21lldpd09:22:333
3659977,0cyclictest741-21lldpd08:49:243
3659977,0cyclictest741-21lldpd08:07:163
3659977,0cyclictest741-21lldpd07:39:003
3659977,0cyclictest0-21swapper/308:25:013
3659976,1cyclictest743-21snmpd10:32:133
3659976,1cyclictest743-21snmpd09:26:343
3659976,1cyclictest743-21snmpd09:08:283
3659976,1cyclictest522-21avahi-daemon10:43:053
3659976,1cyclictest26986-21cpuspeed_turbos08:15:123
3659976,0cyclictest191rcu_preempt11:09:253
3659975,2cyclictest743-21snmpd09:58:203
3659975,2cyclictest743-21snmpd08:43:133
3659975,2cyclictest743-21snmpd07:43:423
3659975,0cyclictest191rcu_preempt12:14:553
3659975,0cyclictest191rcu_preempt08:21:553
3659974,0cyclictest191rcu_preempt11:20:203
3659973,3cyclictest28027-21grep09:35:133
3659973,3cyclictest27290-21ntp_states10:50:193
3659973,2cyclictest17419-21cat10:30:003
3659972,1cyclictest0-21swapper/309:40:143
3589977,0cyclictest743-21snmpd09:54:242
3589977,0cyclictest741-21lldpd11:47:182
3589977,0cyclictest741-21lldpd11:40:212
3589977,0cyclictest741-21lldpd11:35:122
3589977,0cyclictest741-21lldpd10:53:252
3589977,0cyclictest741-21lldpd10:20:042
3589977,0cyclictest741-21lldpd07:51:282
3589977,0cyclictest741-21lldpd07:22:122
3589976,1cyclictest743-21snmpd11:16:062
3589976,1cyclictest743-21snmpd09:57:202
3589976,1cyclictest743-21snmpd08:32:252
3589976,1cyclictest743-21snmpd08:24:002
3589976,1cyclictest679-21cpuspeed_turbos07:10:132
3589975,2cyclictest743-21snmpd10:41:282
3589975,2cyclictest743-21snmpd08:28:242
3589975,2cyclictest717-21ntpd12:28:422
3589975,2cyclictest17957-21cat10:30:152
3529977,0cyclictest741-21lldpd12:20:431
3529977,0cyclictest741-21lldpd11:56:061
3529977,0cyclictest741-21lldpd11:36:401
3529977,0cyclictest741-21lldpd09:27:151
3529977,0cyclictest741-21lldpd08:43:331
3529976,1cyclictest743-21snmpd12:02:211
3529976,1cyclictest743-21snmpd11:52:341
3529976,1cyclictest743-21snmpd11:25:171
3529976,1cyclictest743-21snmpd10:20:421
3529976,1cyclictest743-21snmpd08:14:171
3529976,1cyclictest741-21lldpd10:19:011
3529976,1cyclictest27757-21cpuspeed_turbos09:35:131
3529975,2cyclictest743-21snmpd10:57:071
3529975,2cyclictest743-21snmpd08:52:581
3529975,2cyclictest743-21snmpd07:22:251
3659966,0cyclictest741-21lldpd07:10:073
3659965,1cyclictest7493-21cpuspeed_turbos10:05:133
3659965,1cyclictest7493-21cpuspeed_turbos10:05:123
3659965,1cyclictest18914-21cpuspeed_turbos07:55:113
3659965,1cyclictest11517-21cpuspeed_turbos10:15:123
3659965,0cyclictest191rcu_preempt11:50:163
3659965,0cyclictest191rcu_preempt11:35:583
3659965,0cyclictest191rcu_preempt09:10:123
3659964,0cyclictest191rcu_preempt08:54:503
3659962,3cyclictest21807-21ls08:00:203
3659962,3cyclictest0-21swapper/308:55:183
3659962,2cyclictest0-21swapper/311:55:223
3659962,2cyclictest0-21swapper/307:50:143
3659962,2cyclictest0-21swapper/307:20:003
3659961,3cyclictest52-21ksoftirqd/311:40:213
3659960,4cyclictest52-21ksoftirqd/308:10:193
3659960,4cyclictest20972-21sshd09:15:273
3589966,0cyclictest743-21snmpd11:14:592
3589966,0cyclictest741-21lldpd10:38:022
3589966,0cyclictest741-21lldpd09:42:382
3589966,0cyclictest741-21lldpd09:12:372
3589966,0cyclictest741-21lldpd07:40:252
3589966,0cyclictest741-21lldpd07:38:162
3589966,0cyclictest741-21lldpd07:18:492
3589966,0cyclictest522-21avahi-daemon11:09:102
3589965,1cyclictest741-21lldpd12:06:192
3589964,2cyclictest743-21snmpd10:11:062
3589964,2cyclictest743-21snmpd08:38:392
3589964,2cyclictest743-21snmpd07:55:062
3589963,3cyclictest0-21swapper/208:45:002
3589962,3cyclictest12335-21sed08:55:212
3529966,0cyclictest743-21snmpd11:24:511
3529966,0cyclictest741-21lldpd09:05:191
3529966,0cyclictest522-21avahi-daemon08:36:181
3529965,1cyclictest743-21snmpd10:25:331
3529965,1cyclictest743-21snmpd09:32:571
3529965,1cyclictest5482-21cpuspeed_turbos10:00:131
3529965,1cyclictest522-21avahi-daemon07:32:251
3529965,1cyclictest522-21avahi-daemon07:27:561
3529965,1cyclictest25257-21cpuspeed_turbos12:05:121
3529965,1cyclictest22063-21cpuspeed_turbos10:40:131
3529964,2cyclictest743-21snmpd11:07:171
3529964,2cyclictest743-21snmpd10:48:051
3529964,2cyclictest743-21snmpd10:37:281
3529964,2cyclictest743-21snmpd07:47:141
3529963,3cyclictest743-21snmpd08:31:311
3529963,3cyclictest557-21NetworkManager07:55:161
3529962,3cyclictest8661-21sed10:05:221
3529962,3cyclictest8661-21sed10:05:211
3529962,3cyclictest32178-21ntpq08:25:171
3479965,1cyclictest65850irq/126-lan08:20:160
3659954,1cyclictest522-21avahi-daemon11:15:093
3659953,0cyclictest191rcu_preempt09:50:163
3659952,2cyclictest5865-21uname10:00:173
3659952,2cyclictest244-20systemd-journal07:20:013
3659952,2cyclictest0-21swapper/307:50:003
3659951,2cyclictest52-21ksoftirqd/308:35:163
3659950,3cyclictest52-21ksoftirqd/312:25:133
3659950,1cyclictest0-21swapper/312:35:183
3589955,0cyclictest743-21snmpd10:02:032
3589954,1cyclictest741-21lldpd09:15:082
3589952,2cyclictest9850-21grep11:25:202
3589952,2cyclictest15804-21ps07:45:182
3589951,3cyclictest32284-21memory09:45:152
3589951,3cyclictest30773-21fw_forwarded_lo11:00:142
3589951,3cyclictest30435-21cut11:00:002
3589950,4cyclictest25186-21ntpq10:45:172
3589950,4cyclictest11872-21cat10:15:142
3529955,0cyclictest743-21snmpd10:13:151
3529955,0cyclictest743-21snmpd08:19:431
3529955,0cyclictest741-21lldpd12:31:221
3529955,0cyclictest717-21ntpd07:41:421
3529955,0cyclictest522-21avahi-daemon11:18:431
3529954,1cyclictest522-21avahi-daemon09:50:361
3529953,2cyclictest743-21snmpd11:42:361
3529953,2cyclictest743-21snmpd08:20:061
3529952,3cyclictest29503-21fw_packets12:15:141
3529952,3cyclictest244-20systemd-journal11:45:571
3529952,2cyclictest244-20systemd-journal07:16:591
3529951,3cyclictest4901-21apt-get12:35:121
3529951,3cyclictest27372-21pmu-power10:50:211
3529950,4cyclictest32468-21ntpq09:45:161
3589943,1cyclictest0-21swapper/208:15:162
3589942,2cyclictest743-21snmpd09:30:182
3589942,2cyclictest23175-21cat12:00:142
3589940,4cyclictest7835-21ntpq08:45:172
3589940,3cyclictest9493-21ntpq07:30:182
3589940,3cyclictest15852-21ntpq09:05:152
3589940,3cyclictest13135-21apt-get09:00:142
3589940,3cyclictest10624-21apt-get11:30:122
3529942,2cyclictest0-21swapper/109:00:171
3529941,2cyclictest10654-21grep11:30:121
3529940,4cyclictest22506-21ntpq09:20:161
3529940,3cyclictest747-21runrttasks07:35:001
3529940,3cyclictest3545-21diskstats09:55:151
3529940,3cyclictest29871-21df09:40:111
3529940,3cyclictest19220-21gpg-connect-age09:15:011
3529940,3cyclictest17452-21fw_conntrack09:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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