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2026-09-04 - 02:30
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Fri Sep 04, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38606322660,3chrt386051-21ntpq21:35:510
39540622530,3chrt395398-21/usr/sbin/munin22:10:150
43316222430,3chrt433160-21ntpq00:26:130
43442722350,4chrt434428-21/usr/sbin/munin00:30:490
36220222270,3sleep0362204-21sed20:10:260
36612222120,2sleep0366123-21ls20:25:070
39689622050,2sleep0396899-21sort22:15:210
34513999203174,18cyclictest416601-21kworker/u2:123:31:220
40857922020,3sleep0408580-21mailstats22:56:170
34513999197166,19cyclictest363238-21kworker/u2:120:36:190
40641321960,4chrt406415-21sd-close22:50:030
34513999195163,20cyclictest418629-21kworker/u2:023:50:030
42537721940,3chrt425378-21timerandwakeup23:56:220
43610621930,3sleep0436108-21swap00:36:210
34513999189159,19cyclictest427441-21kworker/u2:100:20:040
34513999189159,19cyclictest418629-21kworker/u2:000:00:150
34513999189159,19cyclictest342350-21kworker/u2:119:21:180
34513999189159,18cyclictest342350-21kworker/u2:119:26:180
34513999187155,20cyclictest342350-21kworker/u2:119:35:040
34513999184154,19cyclictest389087-21kworker/u2:022:00:040
34513999184153,19cyclictest418629-21kworker/u2:023:45:070
34513999182151,20cyclictest355386-21kworker/u2:219:55:040
34513999181150,19cyclictest398496-21kworker/u2:122:26:190
34513999181149,20cyclictest353517-21kworker/u2:019:45:040
34513999180153,18cyclictest384135-21kworker/u2:221:41:190
34513999180149,19cyclictest376272-21kworker/u2:021:16:170
34513999179150,18cyclictest427441-21kworker/u2:100:21:170
34513999178150,17cyclictest389087-21kworker/u2:021:50:040
34513999177147,19cyclictest378145-21kworker/u2:121:10:060
34513999177146,19cyclictest389087-21kworker/u2:022:01:170
34513999177145,20cyclictest402672-21kworker/u2:222:40:030
34513999176146,18cyclictest355386-21kworker/u2:219:46:290
35816421740,4chrt358166-21ntpq19:55:430
34513999174145,18cyclictest414778-21kworker/u2:223:26:180
34513999174143,19cyclictest342350-21kworker/u2:119:15:080
34513999173143,19cyclictest342350-21kworker/u2:119:10:040
34513999172144,17cyclictest381747-21kworker/u2:121:25:040
36379121710,4chrt363781-21ntpq20:15:530
34513999171139,20cyclictest342350-21kworker/u2:119:36:140
34513999168137,20cyclictest427441-21kworker/u2:100:10:040
34513999168137,19cyclictest363238-21kworker/u2:120:45:020
34513999167124,19cyclictest381747-21kworker/u2:121:35:060
34513999166135,20cyclictest394364-21kworker/u2:222:25:070
42853321650,4chrt428531-21df00:10:130
34513999164133,19cyclictest398496-21kworker/u2:122:31:230
34513999163132,20cyclictest402672-21kworker/u2:222:40:350
34513999162132,19cyclictest384135-21kworker/u2:221:50:330
34513999162132,18cyclictest355386-21kworker/u2:220:10:080
34513999162131,20cyclictest414778-21kworker/u2:223:25:010
34513999160131,19cyclictest394364-21kworker/u2:222:10:050
34513999159130,18cyclictest376272-21kworker/u2:021:15:040
34513999159129,18cyclictest363238-21kworker/u2:120:26:190
34513999159128,20cyclictest363238-21kworker/u2:120:31:150
34513999159127,19cyclictest363238-21kworker/u2:120:55:490
34513999157126,19cyclictest363238-21kworker/u2:120:50:140
34513999155125,19cyclictest363238-21kworker/u2:120:45:380
34513999151121,19cyclictest342350-21kworker/u2:119:16:020
34513999150122,18cyclictest418629-21kworker/u2:023:40:010
34513999150121,18cyclictest357672-21kworker/u2:020:05:040
34513999146116,19cyclictest418629-21kworker/u2:023:50:300
34513999146116,19cyclictest405025-21kworker/u2:023:01:170
34513999145116,19cyclictest376272-21kworker/u2:021:00:550
34513999145115,19cyclictest409209-21kworker/u2:123:15:370
34513999143115,17cyclictest409209-21kworker/u2:123:10:150
34513999141114,17cyclictest381747-21kworker/u2:121:26:290
34513999136105,20cyclictest405025-21kworker/u2:022:50:450
34513999134103,19cyclictest409209-21kworker/u2:123:10:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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