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2025-11-15 - 15:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 100 highest latencies:
System rackbslot2.osadl.org (updated Sat Nov 15, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292942240186,20sleep10-21swapper/107:08:381
292942240186,20sleep10-21swapper/107:08:381
291922229199,20sleep20-21swapper/207:07:192
291922229199,20sleep20-21swapper/207:07:192
292612226197,19sleep30-21swapper/307:08:133
292612226197,19sleep30-21swapper/307:08:133
291032224195,19sleep00-21swapper/007:06:130
291032224195,19sleep00-21swapper/007:06:130
19040321320,2sleep2190397-21snmp_areswitch.10:15:022
29572999591,2cyclictest216423-21snmp_wanpowerct10:45:020
2958099684,63cyclictest24765-21kworker/u8:4+efi_rts_wq07:52:052
29580996752,3cyclictest269103-21chrome11:45:012
29582996146,3cyclictest269146-21/usr/sbin/munin11:45:023
29580996145,3cyclictest164090-21chrome09:45:022
2865212590,1chrt286508-21snmp_ryswitch2.12:05:033
2958299565,50cyclictest24765-21kworker/u8:4+efi_rts_wq07:52:063
29572995350,2cyclictest86280-21kworker/u8:2+flush-179:008:25:040
29575995046,3cyclictest108364-21kworker/u8:3+flush-179:008:40:141
2957599473,44cyclictest24765-21kworker/u8:4+efi_rts_wq07:52:051
29575994641,4cyclictest216372-21/usr/share/muni10:45:161
29572994641,4cyclictest312321-21/usr/share/muni12:35:020
29572994641,4cyclictest237784-21kworker/u8:2+flush-179:012:15:160
29572994542,2cyclictest24765-21kworker/u8:4+flush-179:008:15:100
29575994432,11cyclictest4160389-1kworker/1:2H+kblockd11:46:101
29572994338,3cyclictest268757-21munin-update11:45:290
29575994241,1cyclictest29-21ksoftirqd/112:15:281
29582994139,1cyclictest163811-21munin-update09:45:023
29580994130,10cyclictest1318-21snmpd09:56:362
29575994137,3cyclictest259933-21/usr/share/muni11:35:041
29572994137,3cyclictest38609-21apt-get07:20:000
29582994040,0cyclictest292776-21awk12:10:153
29582994037,2cyclictest4148459-1kworker/3:1H+kblockd11:27:543
29580994038,1cyclictest220508-21kworker/2:2+pm12:15:172
29580994038,1cyclictest124527-21kworker/2:2+pm10:00:432
29580994037,2cyclictest124527-21kworker/2:2+pm09:20:272
29580994035,3cyclictest194113-21kworker/u8:4+flush-179:010:25:152
29575994036,3cyclictest237784-21kworker/u8:2+events_unbound11:15:051
29575994035,4cyclictest112186-21chrome08:45:011
29575994034,4cyclictest197014-21ntpq10:20:181
29575994034,4cyclictest197014-21ntpq10:20:181
29572994038,1cyclictest43317-21kworker/0:2+pm09:10:000
29582993937,1cyclictest24853-21kworker/3:0+pm08:40:273
29580993937,1cyclictest69211-21kworker/2:0+pm08:20:512
29580993937,1cyclictest4179956-21kworker/2:0+pm07:31:232
29580993937,1cyclictest120237-21kworker/2:1+pm08:56:022
29580993936,2cyclictest4179956-21kworker/2:0+pm07:10:082
29580993936,2cyclictest220508-21kworker/2:2+pm11:15:012
29580993936,2cyclictest220508-21kworker/2:2+pm10:50:432
2958099390,13cyclictest151508-21snmp_wanswitch.09:30:032
29575993936,2cyclictest249314-21kworker/u8:1+flush-179:011:50:051
29575993935,3cyclictest77537-21kworker/u8:0+flush-179:008:05:101
29575993935,3cyclictest117712-21apt-get08:50:061
29572993934,4cyclictest307205-21python312:25:280
29582993835,1cyclictest4148459-1kworker/3:1H+kblockd09:20:043
29580993836,1cyclictest311799-21kworker/2:1+pm12:36:002
29580993836,1cyclictest220508-21kworker/2:2+pm12:30:582
29580993836,1cyclictest220508-21kworker/2:2+pm11:50:032
29580993836,1cyclictest220508-21kworker/2:2+pm11:40:582
29580993836,1cyclictest124527-21kworker/2:2+pm09:50:182
29580993836,1cyclictest124527-21kworker/2:2+pm09:40:192
29580993836,1cyclictest124527-21kworker/2:2+pm09:00:042
29580993835,2cyclictest69211-21kworker/2:0+pm08:50:012
29580993835,2cyclictest51553-21kworker/2:2+pm07:40:282
29580993835,2cyclictest220508-21kworker/2:2+pm11:00:012
29575993835,2cyclictest146203-21kworker/u8:3+flush-179:009:50:141
29572993836,1cyclictest141676-21kworker/0:1+pm11:17:400
29572993832,4cyclictest247914-21apt-get11:20:070
29582993734,2cyclictest4148459-1kworker/3:1H+kblockd08:17:333
29580993736,1cyclictest51553-21kworker/2:2+pm07:55:122
29580993736,1cyclictest220508-21kworker/2:2+pm12:00:572
29580993735,1cyclictest220508-21kworker/2:2+pm12:25:592
29580993735,1cyclictest220508-21kworker/2:2+pm11:30:582
29580993735,1cyclictest220508-21kworker/2:2+pm11:06:062
29580993735,1cyclictest202925-21kworker/2:0+pm10:40:182
29580993734,1cyclictest220508-21kworker/2:2+pm11:35:262
29575993734,2cyclictest4160389-1kworker/1:2H+kblockd12:10:001
29575993734,2cyclictest4160389-1kworker/1:2H+kblockd10:50:101
29575993734,2cyclictest4160389-1kworker/1:2H+kblockd07:19:131
29575993733,3cyclictest268698-21kworker/u8:4+flush-179:012:35:271
29575993733,3cyclictest133259-21kworker/u8:2+flush-179:009:20:001
29572993735,1cyclictest141676-21kworker/0:1+pm10:02:540
29572993734,1cyclictest2727116-1kworker/0:0H+kblockd08:31:100
29572993733,3cyclictest108364-21kworker/u8:3+events_unbound08:45:160
29582993634,1cyclictest4148459-1kworker/3:1H+kblockd11:41:353
29582993634,1cyclictest4148459-1kworker/3:1H+kblockd10:24:143
29582993634,1cyclictest4148459-1kworker/3:1H+kblockd10:24:143
29582993634,1cyclictest24853-21kworker/3:0+pm08:00:103
29582993633,2cyclictest4148459-1kworker/3:1H+kblockd10:27:383
29582993633,2cyclictest4148459-1kworker/3:1H+kblockd09:37:353
29582993633,2cyclictest4148459-1kworker/3:1H+kblockd09:30:103
29580993635,1cyclictest69211-21kworker/2:0+pm08:25:582
29580993635,1cyclictest220508-21kworker/2:2+pm12:11:202
29580993634,2cyclictest4007774-1kworker/2:2H+kblockd08:15:002
29580993634,1cyclictest69211-21kworker/2:0+pm08:15:132
29580993634,1cyclictest51553-21kworker/2:2+pm07:45:042
29580993634,1cyclictest4007774-1kworker/2:2H+kblockd10:13:242
29580993634,1cyclictest4007774-1kworker/2:2H+kblockd09:35:402
29580993634,1cyclictest220508-21kworker/2:2+pm12:20:172
29580993634,1cyclictest220508-21kworker/2:2+pm11:25:042
29580993634,1cyclictest202925-21kworker/2:0+pm10:30:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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