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2025-08-30 - 08:54
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Fri Aug 29, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30388622233178,43sleep30-21swapper/307:06:283
30388622233178,43sleep30-21swapper/307:06:283
30389522227198,19sleep10-21swapper/107:07:371
30389522227198,19sleep10-21swapper/107:07:371
30391352226197,19sleep00-21swapper/007:09:580
30391352226197,19sleep00-21swapper/007:09:570
30388312225195,20sleep20-21swapper/207:06:022
30388312225195,20sleep20-21swapper/207:06:022
30393379912141,18cyclictest3225669-21chrome10:45:010
3039348991160,61cyclictest3069949-21ThreadPoolForeg07:45:003
3039346996965,2cyclictest3225713-21snmp_wanswitch.10:45:012
303934899654,60cyclictest1052-21dbus-daemon10:45:013
3039341996139,13cyclictest3225729-21chrome10:45:001
303934699568,47cyclictest3112846-21kworker/u8:1+efi_rts_wq09:09:232
3039346995654,1cyclictest17550irq/16-i2c_designware.007:45:012
3039341995656,0cyclictest3128561-21awk08:50:151
31006292500,1sleep03100519-21/usr/sbin/munin08:20:020
3039348995010,39cyclictest3137494-21kworker/u8:2+efi_rts_wq09:09:243
3039346995044,4cyclictest3212810-21/usr/share/muni10:30:142
3039348994746,1cyclictest3128562-21awk08:50:153
3039346994640,4cyclictest3238700-21/usr/share/muni11:00:052
3039341994540,4cyclictest3229585-21kworker/u8:3+flush-179:010:50:151
3039341994532,1cyclictest1307-21munin-node08:45:001
3039337994441,2cyclictest3125998-21kworker/u8:4+flush-179:011:05:250
3039346994338,4cyclictest3059068-21apt-get07:30:142
3039341994340,2cyclictest3125998-21kworker/u8:4+flush-179:011:05:141
3039341994339,3cyclictest3151266-21kworker/u8:3+flush-179:009:40:141
3039337994339,3cyclictest3125998-21kworker/u8:4+flush-179:009:40:090
3039337994239,2cyclictest3094887-21kworker/u8:4+flush-179:008:30:160
3039337994238,3cyclictest3117216-21kworker/u8:0+flush-179:008:40:050
3039337994236,4cyclictest3299028-21/usr/share/muni12:10:140
3039348994136,3cyclictest3238387-21latency_hist11:00:013
3039346994138,2cyclictest3017730-21kworker/2:1+pm07:45:002
3039341994137,3cyclictest3255273-21kworker/u8:4+flush-179:011:45:081
3039337994135,5cyclictest3281638-21/usr/share/muni11:50:130
3039337994135,4cyclictest3220283-21munin-limits10:35:270
3039346994037,2cyclictest3197338-21kworker/2:1+pm12:16:042
3039346994037,2cyclictest3078280-21kworker/2:2+pm09:35:012
3039346994037,2cyclictest3078280-21kworker/2:2+pm09:16:232
3039346994037,2cyclictest3017730-21kworker/2:1+pm07:15:142
3039341994036,3cyclictest3125998-21kworker/u8:4+flush-179:010:05:151
3039341994033,6cyclictest3065681-21/usr/share/muni07:40:031
3039341994033,6cyclictest3065681-21/usr/share/muni07:40:031
3039337994038,1cyclictest3074042-21kworker/0:0+pm08:06:280
3039337994037,2cyclictest2995920-21kworker/u8:0+events_unbound07:10:130
3039337994036,3cyclictest3060454-21munin-limits07:30:260
3039348993937,1cyclictest1318-21snmpd11:06:263
3039346993937,1cyclictest3197338-21kworker/2:1+pm12:05:442
3039346993937,1cyclictest3078280-21kworker/2:2+pm10:01:082
3039346993937,1cyclictest3078280-21kworker/2:2+pm10:01:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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