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2026-01-08 - 12:52
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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 Thu Jan 08, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39805322750,3chrt398050-21ntpq22:30:380
43204022690,4chrt1-21systemd00:35:030
42433822690,3chrt424327-21ntpq00:06:140
40943722650,2chrt409439-21rt-features23:11:170
38955222620,2sleep0389555-21cut22:00:260
37183422560,2sleep0371838-21wc20:56:170
35739522500,3sleep0357393-21df_inode20:05:160
38403722450,3chrt384038-21missed_timers21:40:280
36638222160,2sleep0366383-21find20:36:170
39620722020,2sleep0396210-21wc22:25:060
34184999198170,19cyclictest358569-21kworker/u2:020:15:120
34184999189159,19cyclictest375300-21kworker/u2:221:11:130
39374321850,3sleep0393745-21latency22:15:260
38269621850,4chrt382699-21grep21:35:320
39919821810,2sleep0399199-21ls22:35:200
34184999179150,19cyclictest350230-21kworker/u2:220:00:030
39251721750,3chrt392514-21ntpq22:10:450
38132521750,4chrt381322-21ntpq21:30:340
34184999174146,19cyclictest432030-21kworker/u2:200:35:520
34184999174145,20cyclictest387816-21kworker/u2:021:55:480
34184999173143,19cyclictest337641-21kworker/u2:019:15:270
34184999173142,20cyclictest418938-21kworker/u2:223:55:110
34184999172140,20cyclictest407762-21kworker/u2:023:10:010
37015621710,4chrt370153-21ntpq20:50:320
41620021680,4chrt416198-21ld23:35:490
34750121670,4chrt347502-21latency_hist19:30:070
34184999167137,19cyclictest362754-21kworker/u2:120:41:190
42674721660,4chrt426748-21awk00:15:230
37948121660,4chrt1-21systemd21:25:020
34611021650,2sleep0346112-21sort19:25:070
40092821630,3chrt400925-21ntpq22:40:530
38700821630,4chrt387005-21ntpq21:50:550
34184999159129,19cyclictest337641-21kworker/u2:019:10:240
34184999158128,19cyclictest407762-21kworker/u2:023:30:290
34184999153123,18cyclictest421240-21kworker/u2:100:11:180
34184999152123,18cyclictest362754-21kworker/u2:121:05:310
34184999148117,20cyclictest375300-21kworker/u2:221:16:150
34184999146117,19cyclictest405938-21kworker/u2:223:00:420
34184999146117,18cyclictest395282-21kworker/u2:222:25:370
34184999145115,20cyclictest371592-21kworker/u2:221:00:540
34184999144115,19cyclictest383660-21kworker/u2:221:46:040
34184999144113,20cyclictest401754-21kworker/u2:022:51:040
34184999141113,19cyclictest421240-21kworker/u2:100:20:300
34184999137109,19cyclictest407762-21kworker/u2:023:47:040
34184999135105,19cyclictest407762-21kworker/u2:023:25:310
34184999134104,19cyclictest407762-21kworker/u2:023:41:330
34184999132103,19cyclictest362754-21kworker/u2:120:25:370
34184999131103,18cyclictest407762-21kworker/u2:023:20:330
3418499912594,20cyclictest356227-21kworker/u2:120:01:030
3418499912393,20cyclictest350230-21kworker/u2:219:50:500
3418499912192,19cyclictest362754-21kworker/u2:120:46:180
35247621200,2sleep0352477-21timerandwakeup19:46:190
3418499911685,20cyclictest418938-21kworker/u2:200:00:090
3418499911685,20cyclictest407762-21kworker/u2:023:50:500
3418499911587,19cyclictest362754-21kworker/u2:120:35:020
3418499911586,20cyclictest401754-21kworker/u2:022:56:160
3418499911586,19cyclictest343736-21kworker/u2:119:35:130
3418499910979,19cyclictest389663-21kworker/u2:222:05:370
3418499910172,18cyclictest359972-21kworker/u2:320:21:150
3418499910070,20cyclictest421240-21kworker/u2:100:25:320
3418499910070,19cyclictest407762-21kworker/u2:023:18:310
341849999465,19cyclictest350230-21kworker/u2:219:45:010
341849998355,18cyclictest399398-21kworker/u2:222:45:130
341849998153,18cyclictest343736-21kworker/u2:119:35:070
341849997343,19cyclictest358569-21kworker/u2:020:15:060
34138227117,18sleep00-21swapper19:06:160
341849997040,19cyclictest375300-21kworker/u2:221:25:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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