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2026-08-26 - 17:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Wed Aug 26, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35601899313283,20cyclictest29-21kswapd012:16:100
35601899308270,26cyclictest363673-31find07:36:180
35601899290260,20cyclictest29-21kswapd007:40:220
35601899276241,23cyclictest442739-21awk12:20:240
44711122680,3chrt447099-21ntpq12:35:330
41936622530,3chrt419364-21ntpq10:56:020
44451822400,4chrt444516-21ld12:26:090
39866322100,3sleep0398664-21cat09:41:180
35601899197166,19cyclictest422043-21kworker/u2:111:11:130
35601899195168,18cyclictest434495-21kworker/u2:011:55:040
37701221890,3chrt377013-21latency_hist08:25:060
42620321720,4chrt426200-21ntpq11:20:370
43185721690,4chrt431854-21ntpq11:40:530
39953921690,3chrt399540-21if_eth009:45:230
36773721690,3chrt367736-21/usr/sbin/munin07:50:460
43322021680,4chrt433221-21collect211:45:480
37888221680,4chrt378879-21ntpq08:30:460
36245221680,4chrt361719-21/usr/sbin/munin07:31:200
38563721660,4chrt385635-21irqstats08:55:260
44586021650,3chrt445395-21/usr/sbin/munin12:30:570
42203221640,4chrt422029-21ntpq11:05:380
35601899149122,18cyclictest378367-21kworker/u2:208:41:130
41081221450,3sleep0410816-21wc10:25:300
35742121330,2sleep0357422-21systemd-run07:15:040
35601899133104,20cyclictest414602-21kworker/u2:211:01:230
3560189912591,23cyclictest440443-21apt.systemd.dai12:11:190
3560189912494,19cyclictest378367-21kworker/u2:209:07:220
36939221220,2sleep0369393-21systemctl07:56:190
3560189911581,23cyclictest383845-40mandb08:49:230
3560189911486,19cyclictest402045-21kworker/u2:210:05:470
35490921100,3sleep0354907-21interrupts07:05:220
3560189910878,18cyclictest390916-21kworker/u2:009:29:430
3560189910576,19cyclictest404842-21kworker/u2:010:31:150
356018999667,19cyclictest390916-21kworker/u2:009:25:000
3912502950,3sleep0391251-21cat09:15:260
356018999568,18cyclictest428514-21kworker/u2:211:35:060
3582462940,3chrt358248-21switchtime07:16:200
356018999361,21cyclictest366054-21diskstats07:45:200
356018999253,27cyclictest418197-21cat10:51:180
356018998956,20cyclictest424901-21ntpq11:15:570
356018998948,15cyclictest390246-21sendmail_mailqu09:11:150
356018998945,13cyclictest435592-21/usr/sbin/munin11:55:210
356018998851,26cyclictest360898-21grep07:26:150
356018998758,18cyclictest416304-21/usr/sbin/munin10:45:280
356018998757,18cyclictest377096-21chrt08:25:100
356018998757,18cyclictest358-21snmpd09:30:140
356018998754,20cyclictest439684-21sort12:10:060
356018998750,13cyclictest404827-21latency_hist10:05:060
356018998658,19cyclictest357852-21kworker/u2:107:21:070
356018998656,19cyclictest1-21systemd08:10:030
356018998656,18cyclictest402944-21sort09:56:200
356018998656,18cyclictest373477-21ps08:11:160
356018998655,19cyclictest386947-21chrt09:00:150
356018998654,20cyclictest431408-21latency_hist11:40:080
356018998654,19cyclictest427411-21interrupts11:25:220
356018998648,14cyclictest358-21snmpd12:00:280
356018998556,18cyclictest384322-21memory08:50:280
356018998556,18cyclictest380553-21grep08:36:190
356018998555,19cyclictest414613-21unin-run10:40:040
356018998555,18cyclictest401613-21runrttasks09:51:300
356018998555,18cyclictest374454-21/usr/sbin/munin08:15:230
356018998555,18cyclictest374-21runrttasks10:40:100
356018998554,19cyclictest407936-21kernelversion10:15:240
356018998455,17cyclictest370545-21ntpq08:00:490
356018998454,18cyclictest409650-21ntpq10:21:090
356018998454,18cyclictest397610-21chrt09:38:010
356018998446,14cyclictest407151-21users10:11:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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