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2025-11-28 - 12:23
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Thu Nov 27, 2025 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24891912229176,43sleep30-21swapper/307:08:223
24892852228200,19sleep20-21swapper/207:09:332
24891982228199,19sleep00-21swapper/007:08:280
24890752224196,19sleep10-21swapper/107:06:511
2489509991081,3cyclictest2728005-21chrome11:45:012
27594762960,1sleep20-21swapper/212:20:062
248951299870,52cyclictest2572506-21snmp_wanpowerct08:45:023
248951299647,56cyclictest2449751-21kworker/u8:1+efi_rts_wq07:34:453
248950299632,60cyclictest2449751-21kworker/u8:1+efi_rts_wq07:34:430
2489502996247,13cyclictest2728054-21/usr/share/muni11:45:010
248950999568,47cyclictest2449751-21kworker/u8:1+efi_rts_wq07:34:442
2489507995646,9cyclictest2594153-21kworker/u8:2+flush-179:010:05:051
2489512995440,2cyclictest2728061-21/usr/sbin/munin11:45:013
2489507995249,2cyclictest29-21ksoftirqd/111:45:011
2489507995140,10cyclictest2493571-21kworker/u8:0+flush-179:007:20:131
2489507994948,1cyclictest2490699-21awk07:10:061
2489507994946,2cyclictest2580988-21kworker/u8:4+flush-179:009:50:161
2489509994542,2cyclictest2537401-21kworker/u8:2+flush-179:008:40:012
2489509994542,2cyclictest2509995-21kworker/u8:0+events_unbound08:05:142
2489509994528,2cyclictest2580988-21kworker/u8:4+flush-179:009:35:042
2489509994440,3cyclictest2671924-21/usr/share/muni10:40:142
2489509994439,4cyclictest2736690-21/usr/share/muni11:55:052
2489507994438,4cyclictest2685234-21ntpq10:55:041
2489509994341,2cyclictest2632701-21kworker/u8:0+events_unbound10:05:132
2489509994341,2cyclictest2537401-21kworker/u8:2+flush-179:008:40:092
2489509994341,1cyclictest2558625-21kworker/2:1+pm09:45:062
2489509994340,2cyclictest2632701-21kworker/u8:0+events_unbound10:10:142
2489507994340,2cyclictest2705907-21kworker/u8:1+flush-179:012:00:141
2489502994340,2cyclictest2677993-21kworker/u8:2+flush-179:010:55:040
27008412420,0chrt2700840-21ntpq11:10:223
2489509994239,2cyclictest2619687-21kworker/u8:0+flush-179:009:40:132
2489509994230,11cyclictest2558625-21kworker/2:1+pm10:50:262
2489507994230,11cyclictest1318-21snmpd07:27:501
2489509994137,3cyclictest2580988-21kworker/u8:4+events_unbound09:00:132
2489509994137,2cyclictest2489374-21kworker/2:0+pm08:20:112
2489509994135,2cyclictest2563233-21kworker/u8:0+events_unbound09:05:052
2489502994137,3cyclictest2671603-21latency_hist10:40:010
2489509994038,1cyclictest2701578-21kworker/2:2+pm12:31:402
2489509994038,1cyclictest2701578-21kworker/2:2+pm11:25:122
2489509994038,1cyclictest2558625-21kworker/2:1+pm10:26:462
2489509994037,2cyclictest2677993-21kworker/u8:2+events_unbound10:55:092
2489507994036,3cyclictest2624304-21CacheThread_Blo09:45:011
2489502994036,3cyclictest2480797-21kworker/u8:3+flush-179:007:15:050
2489512993936,2cyclictest2596105-21apt-get09:10:123
2489509993937,1cyclictest2701578-21kworker/2:2+pm11:16:302
2489509993937,1cyclictest2558625-21kworker/2:1+pm10:02:072
2489509993937,1cyclictest2558625-21kworker/2:1+pm08:35:002
2489509993937,1cyclictest2489374-21kworker/2:0+pm08:26:352
2489509993937,1cyclictest2489374-21kworker/2:0+pm07:26:352
2489509993936,2cyclictest2701578-21kworker/2:2+pm11:20:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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