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2025-10-16 - 10:56
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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 Wed Oct 15, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30460332235183,18sleep20-21swapper/207:09:082
30458152225196,19sleep00-21swapper/007:06:180
30460672221192,20sleep10-21swapper/107:09:371
30459512215185,20sleep30-21swapper/307:08:063
3046262997012,56cyclictest3037495-21kworker/u8:4+efi_rts_wq07:25:133
32113382690,2chrt3211333-31munin-html10:15:392
304625599662,63cyclictest3037495-21kworker/u8:4+efi_rts_wq07:25:151
304625199560,56cyclictest3059209-21kworker/u8:0+efi_rts_wq07:25:170
304626099540,53cyclictest3037495-21kworker/u8:4+efi_rts_wq07:25:142
304625199530,50cyclictest3233383-13chrome10:45:010
3046260995148,2cyclictest3329149-21kworker/u8:2+flush-179:012:40:002
3046260995147,3cyclictest3112585-21/usr/share/muni08:25:022
3046260995047,2cyclictest3072777-21kworker/u8:0+flush-179:008:05:102
3046260995047,2cyclictest3063521-21kworker/u8:1+events_unbound07:30:152
3046260995045,3cyclictest3177447-21kworker/u8:0+events_unbound10:25:252
3046255994747,0cyclictest3165973-21awk09:25:111
32863602460,0chrt3286358-21snmp_wanpowerct11:45:030
3046260994643,2cyclictest3046955-21kworker/u8:3+flush-179:008:50:132
3046255994636,9cyclictest3160007-21kworker/1:0+pm10:00:271
3046260994542,2cyclictest3046955-21kworker/u8:3+flush-179:008:55:152
3046260994539,2cyclictest3137061-21kworker/u8:0+events_unbound09:15:092
3046255994524,19cyclictest2815826-1kworker/1:2H+kblockd07:10:031
3046251994541,3cyclictest3307532-21kworker/u8:1+flush-179:012:20:140
3046251994539,4cyclictest3294541-21latency_hist11:55:010
3046260994441,2cyclictest3182012-21snmp_areswitch.09:45:012
3046262994338,3cyclictest3207702-21/usr/share/muni10:15:043
3046260994340,2cyclictest3067938-21kworker/u8:4+flush-179:008:00:002
3046260994240,1cyclictest3227218-21awk10:35:152
3046260994240,1cyclictest3046955-21kworker/u8:3+flush-179:008:10:282
3046260994237,4cyclictest3169051-21/usr/share/muni09:30:172
3046260994232,3cyclictest3258947-21kworker/u8:1+events_unbound11:30:032
3046255994229,12cyclictest1318-21snmpd11:35:021
3046260994138,2cyclictest3258947-21kworker/u8:1+events_unbound11:25:092
3046260994138,2cyclictest3215790-21kworker/u8:2+flush-179:011:10:232
3046260994138,2cyclictest3177447-21kworker/u8:0+events_unbound10:05:152
3046260994138,2cyclictest3159715-21kworker/u8:2+events_unbound09:20:102
3046251994137,3cyclictest3194278-21kworker/u8:3+flush-179:010:20:160
3046251994136,3cyclictest3067938-21kworker/u8:4+events_unbound07:40:140
3046262994035,4cyclictest3068793-21/usr/share/muni07:35:023
3046260994038,1cyclictest3103000-21kworker/2:2+pm09:05:162
3046260994038,1cyclictest3042355-21kworker/2:1+pm07:15:492
3046260994037,1cyclictest3103000-21kworker/2:2+pm08:16:002
3046251994026,13cyclictest2896284-1kworker/0:1H+kblockd08:55:010
3046260993937,1cyclictest3277769-21kworker/2:1+pm12:09:592
3046260993937,1cyclictest3237859-21kworker/2:2+pm11:05:592
3046260993937,1cyclictest3103000-21kworker/2:2+pm09:11:022
3046260993937,1cyclictest3103000-21kworker/2:2+pm09:01:132
3046260993937,1cyclictest3103000-21kworker/2:2+pm08:20:172
3046260993936,2cyclictest3277769-21kworker/2:1+pm12:00:002
3046260993936,2cyclictest3258947-21kworker/u8:1+flush-179:011:50:112
3046260993936,2cyclictest3224610-21kworker/2:1+pm10:45:022
3046260993936,2cyclictest3037495-21kworker/u8:4+flush-179:007:10:152
3046260993933,2cyclictest3067867-21kworker/u8:2+events_unbound07:35:262
3046251993935,3cyclictest3279457-21cat11:35:160
3046262993836,1cyclictest3194707-21kworker/3:3+pm10:26:443
3046262993833,4cyclictest3081826-21/usr/share/muni07:50:143
3046260993836,1cyclictest3277769-21kworker/2:1+pm12:30:562
3046260993836,1cyclictest3277769-21kworker/2:1+pm11:40:122
3046260993836,1cyclictest3277769-21kworker/2:1+pm11:40:122
3046260993836,1cyclictest3237859-21kworker/2:2+pm11:15:152
3046260993836,1cyclictest3224610-21kworker/2:1+pm10:40:222
3046260993836,1cyclictest3168441-21kworker/2:0+pm09:40:522
3046260993836,1cyclictest3103000-21kworker/2:2+pm08:45:292
3046260993836,1cyclictest3042355-21kworker/2:1+pm07:45:112
3046260993835,2cyclictest3282445-21kworker/u8:2+flush-179:011:55:102
3046260993835,2cyclictest3067938-21kworker/u8:4+flush-179:008:00:052
3046251993835,2cyclictest3077465-21snmp_wlanswitch07:45:010
3046251993835,2cyclictest2896284-1kworker/0:1H+kblockd07:35:420
3046251993834,3cyclictest3159715-21kworker/u8:2+events_unbound09:30:140
3046251993832,3cyclictest3159715-21kworker/u8:2+flush-179:009:45:110
3046262993735,2cyclictest3046955-21kworker/u8:3+flush-179:008:00:143
3046262993734,2cyclictest2362918-1kworker/3:2H+kblockd08:16:053
3046262993733,2cyclictest2362918-1kworker/3:2H+kblockd09:40:103
3046260993736,1cyclictest3103000-21kworker/2:2+pm08:30:542
3046260993736,1cyclictest3042355-21kworker/2:1+pm07:50:202
3046260993735,1cyclictest3168441-21kworker/2:0+pm10:20:182
3046260993735,1cyclictest3042355-21kworker/2:1+pm07:24:492
3046260993734,2cyclictest3277769-21kworker/2:1+pm12:14:092
3046260993734,2cyclictest3277769-21kworker/2:1+pm12:14:092
3046260993734,2cyclictest3177447-21kworker/u8:0+events_unbound10:00:132
3046260993734,2cyclictest3142132-21kworker/u8:1+flush-179:009:25:102
3046260993733,2cyclictest3277769-21kworker/2:1+pm12:20:022
3046255993735,1cyclictest2947482-21kworker/1:2+pm07:53:521
3046255993734,2cyclictest2815826-1kworker/1:2H+kblockd11:45:061
3046255993727,9cyclictest1318-21snmpd08:00:241
3046251993734,2cyclictest3164029-21kworker/0:0+pm10:09:000
3046251993734,2cyclictest2896284-1kworker/0:1H+kblockd11:15:270
3046251993734,2cyclictest2896284-1kworker/0:1H+kblockd08:00:040
3046262993634,1cyclictest3194707-21kworker/3:3+pm10:36:073
3046262993634,1cyclictest3051051-21kworker/3:1+pm07:16:373
3046262993634,1cyclictest2362918-1kworker/3:2H+kblockd11:00:583
3046262993633,2cyclictest2362918-1kworker/3:2H+kblockd12:10:043
3046262993633,2cyclictest2362918-1kworker/3:2H+kblockd12:10:033
3046262993633,2cyclictest2362918-1kworker/3:2H+kblockd11:25:033
3046262993633,2cyclictest2362918-1kworker/3:2H+kblockd09:55:103
3046260993634,1cyclictest3045774-1kworker/2:2H+kblockd08:35:372
3046260993633,2cyclictest3224610-21kworker/2:1+pm10:50:082
3046260993633,2cyclictest3177447-21kworker/u8:0+flush-179:010:10:112
3046260993633,2cyclictest3159715-21kworker/u8:2+flush-179:009:50:092
3046260993633,2cyclictest3045774-1kworker/2:2H+kblockd08:41:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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