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2026-03-22 - 10:59
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Sun Mar 22, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272040222590,4chrt2720372-21ntp_states20:41:020
276465622470,4chrt2764652-21irqstats23:20:260
271280022440,3chrt2712795-21munin-run20:15:000
277269922420,3chrt2772697-21munin-run23:50:040
274003222380,4chrt2740033-21mailstats21:51:200
272887222110,3sleep02728873-21/usr/sbin/munin21:11:200
269469499184154,20cyclictest2770299-21kworker/u2:000:05:030
271746021790,4chrt2717459-21awk20:30:380
270444721720,3sleep02704448-21latency_hist19:45:000
273149321690,4chrt2731490-21ntpq21:20:530
273873321660,4chrt2738734-21switchtime21:46:180
276652121650,3chrt2766522-21plymouth23:26:200
278120821640,4chrt2781198-21ntpq00:20:380
277793821640,4chrt2777939-21true00:10:030
276070321640,4chrt2760700-21ntpq23:05:490
272728021640,3chrt2727270-21ntpq21:05:500
271485321610,3chrt2714851-21ntpq20:21:100
274227221600,3chrt2742270-21df22:00:150
270149421590,3chrt2701493-21sshd19:33:440
269469499157129,19cyclictest2782122-21kworker/u2:100:31:100
269469499152122,21cyclictest2701682-21kworker/u2:120:00:080
269469499146117,20cyclictest2779321-21kworker/u2:200:30:020
269469499135109,17cyclictest2748084-21kworker/u2:022:35:330
276925121340,3sleep02769254-21grep23:36:210
26946949912893,23cyclictest2775478-21cmp00:00:020
26946949912598,17cyclictest2748084-21kworker/u2:022:30:040
26946949912497,17cyclictest2770299-21kworker/u2:000:11:240
273103721230,2sleep02731039-21grep21:20:070
26946949912191,20cyclictest2746231-21kworker/u2:122:20:050
272683121180,3sleep02726832-21ls21:05:060
26946949911789,19cyclictest2701682-21kworker/u2:119:55:160
277983321140,2sleep02779826-21ntpq00:15:460
26946949911485,18cyclictest2716996-21kworker/u2:121:00:040
26946949911485,18cyclictest2701682-21kworker/u2:119:54:230
26946949911383,20cyclictest2716996-21kworker/u2:120:47:460
26946949911080,20cyclictest2748084-21kworker/u2:022:46:420
26946949910575,20cyclictest2748084-21kworker/u2:022:23:400
2695764210476,17sleep02693299-21kworker/u2:019:12:260
26946949910374,20cyclictest2707238-21kworker/u2:220:25:230
2694694999565,19cyclictest2718821-21kworker/u2:220:35:470
2694694999463,20cyclictest2748084-21kworker/u2:023:00:460
2694694999266,17cyclictest2748084-21kworker/u2:022:55:010
2694694999163,19cyclictest2730597-21kworker/u2:221:55:310
2694694999062,19cyclictest2743897-21kworker/u2:222:14:260
2694694998961,19cyclictest2748084-21kworker/u2:022:31:560
2694694998960,20cyclictest2703515-21kworker/u2:219:46:240
2694694998757,19cyclictest2766121-21kworker/u2:223:31:490
2694694998655,20cyclictest2730597-21kworker/u2:221:44:030
2694694998556,19cyclictest2730597-21kworker/u2:221:40:010
2694694998153,19cyclictest2730597-21kworker/u2:221:31:220
2694694998140,17cyclictest2770357-21ntpq23:40:340
269459327916,19sleep00-21swapper19:09:210
2694694997853,16cyclictest2730597-21kworker/u2:221:30:040
2694694997851,17cyclictest2710505-21gcc20:05:400
2694694997637,28cyclictest2757697-21kernelversion22:55:260
2694694997538,25cyclictest2722685-21acpi20:50:100
2694694997143,17cyclictest2773282-21ntpq23:51:020
2694694997134,26cyclictest2753332-21/usr/sbin/munin22:40:210
2694694997134,13cyclictest2713264-21ntpq20:15:350
2694694997133,14cyclictest2697949-21ntpq19:20:320
2694694997042,17cyclictest2762153-21ntpq23:11:020
2694694997041,18cyclictest2763156-21diskstats23:15:200
2694694997033,14cyclictest2743956-21ntpq22:05:440
2694694997032,13cyclictest2699327-21ntpq19:25:340
2694694996940,17cyclictest2696712-21ntpq19:16:090
2694694996931,14cyclictest2702117-21ntpq19:35:360
2694694996930,15cyclictest2785013-21/usr/sbin/munin00:35:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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