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2025-11-25 - 11:41
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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 Mon Nov 24, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29257012256200,20sleep30-21swapper/307:06:403
29259322236185,40sleep20-21swapper/207:09:412
29257612235182,20sleep00-21swapper/007:07:250
29257142227198,19sleep10-21swapper/107:06:511
31461752580,2sleep23146164-31munin-html11:20:342
2926153995149,1cyclictest3015822-21awk08:50:163
2926150995045,4cyclictest3041093-21ntpq09:20:142
292614799480,47cyclictest0-21swapper/107:25:141
2926143994844,3cyclictest2986437-21kworker/u8:0+flush-179:008:25:290
2926153994644,1cyclictest0-21swapper/311:45:013
2926153994642,3cyclictest3051217-21kworker/u8:0+flush-179:009:45:093
2926153994640,4cyclictest2930301-21latency_hist07:15:003
2926147994642,3cyclictest2995461-21/usr/share/muni08:30:011
2926153994440,3cyclictest3094665-21kworker/u8:4+flush-179:010:55:143
2926147994438,5cyclictest3022824-21ntpq09:00:101
2926143994339,3cyclictest3006677-21apt-get08:40:160
2926150994238,3cyclictest2978310-21/usr/share/muni08:10:042
2926150994138,2cyclictest0-21swapper/209:45:022
2926147994135,4cyclictest47022-21systemd-journal10:20:011
2926153994035,4cyclictest2943738-21kworker/u8:2+events_unbound07:45:163
2926150994037,2cyclictest2828993-21kworker/2:0+pm07:25:122
2926147994037,2cyclictest2807896-21kworker/1:0+pm08:25:011
2926147994034,5cyclictest2655209-1kworker/1:0H+kblockd09:35:121
2926143994037,2cyclictest3060206-21snmp_areswitch.09:45:020
2926153993937,1cyclictest1318-21snmpd12:01:553
2926153993935,3cyclictest3077998-21kworker/u8:0+events_unbound11:25:153
2926153993935,3cyclictest3051250-21kworker/u8:4+flush-179:009:40:163
2926153993934,3cyclictest2968925-21kworker/u8:0+events_unbound08:10:103
2926153993934,3cyclictest2820727-1kworker/3:0H+kblockd11:55:583
2926153993934,3cyclictest2820727-1kworker/3:0H+kblockd11:50:053
2926153993932,5cyclictest2990133-21ntpq08:20:253
2926150993937,1cyclictest2978107-21kworker/2:3+pm10:55:222
2926150993937,1cyclictest2978107-21kworker/2:3+pm09:26:042
2926150993937,1cyclictest2828993-21kworker/2:0+pm07:20:182
292615099391,13cyclictest3150433-31munin-html11:25:362
2926147993937,1cyclictest2807896-21kworker/1:0+pm07:34:021
2926147993935,3cyclictest3169411-21apt-get11:50:081
2926147993934,4cyclictest3105783-21apt-get10:35:141
2926147993932,5cyclictest3025925-21/usr/share/muni09:05:021
2926147993929,9cyclictest1318-21snmpd11:56:331
2926143993933,4cyclictest3129660-21/usr/share/muni11:05:160
2926143993932,5cyclictest3095392-21/usr/share/muni10:25:030
2926153993834,3cyclictest2913134-21kworker/u8:1+flush-179:007:30:113
2926153993834,3cyclictest2820727-1kworker/3:0H+kblockd10:45:163
2926153993833,3cyclictest2820727-1kworker/3:0H+kblockd09:35:043
292615399380,1cyclictest0-21swapper/309:12:403
2926150993837,1cyclictest2828993-21kworker/2:0+pm07:56:402
2926150993836,1cyclictest3167951-21kworker/2:0+pm11:50:562
2926150993836,1cyclictest2978107-21kworker/2:3+pm11:30:112
2926150993836,1cyclictest2978107-21kworker/2:3+pm11:15:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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