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2026-06-02 - 13:26
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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 Tue Jun 02, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29731022660,3chrt297311-21kernelversion19:35:270
31565722540,3chrt315647-21ntpq20:40:550
37205122510,3chrt372047-21diskstats00:05:200
34776022480,2chrt347749-21ntpq22:36:140
34322122470,3chrt343222-21if_eth022:20:230
32204722440,3chrt322042-21munin-run21:05:010
37396322250,52chrt373344-21/usr/sbin/munin00:11:190
31678122100,2sleep0316783-21interrupts20:45:250
29053122100,2sleep0290532-21ntpq19:10:440
36590922090,2sleep0365911-21grep23:41:140
33047222060,3chrt330473-21cat21:35:070
34592221980,2sleep0345923-21df22:30:150
36028821850,4chrt360289-21gcc23:21:090
33317721850,4chrt333179-21cron21:45:000
30468621850,4chrt304688-21grep20:01:160
29001999185155,19cyclictest370936-21munin-node00:00:140
29001999182150,20cyclictest316956-21kworker/u2:021:00:070
36949821790,3sleep0369499-21date23:55:070
36403821740,4chrt364036-21diskstats23:35:190
36251821680,2sleep0362520-21sort23:30:070
30846921680,2sleep0308471-21latency20:15:270
29001999165138,18cyclictest328140-21kworker/u2:221:26:200
29001999165134,19cyclictest298397-21kworker/u2:219:46:190
29001999163134,19cyclictest290028-21kworker/u2:119:16:170
29001999159129,19cyclictest330069-21kworker/u2:122:15:030
29001999155126,18cyclictest290028-21kworker/u2:119:45:030
29001999154124,18cyclictest376417-21kworker/u2:000:25:080
29001999142115,18cyclictest322684-21kworker/u2:121:16:290
29001999137107,19cyclictest353108-21kworker/u2:123:10:040
29001999134104,19cyclictest344823-21kworker/u2:222:46:180
29001999132101,20cyclictest363720-21kworker/u2:123:50:460
29001999132101,20cyclictest363720-21kworker/u2:123:50:060
2900199912899,18cyclictest373219-21kworker/u2:100:20:050
2900199912897,20cyclictest353108-21kworker/u2:123:00:060
2900199912897,20cyclictest298397-21kworker/u2:219:55:120
2900199912798,18cyclictest357244-21kworker/u2:023:15:520
2900199912796,20cyclictest330069-21kworker/u2:121:46:170
30999221260,3sleep0309993-21collect220:20:360
2900199912696,20cyclictest322684-21kworker/u2:121:11:170
2900199912596,19cyclictest330069-21kworker/u2:121:53:260
2900199912596,18cyclictest376417-21kworker/u2:000:25:320
2900199912191,19cyclictest290028-21kworker/u2:119:30:040
36315521170,2sleep0363156-21gzip23:31:160
2900199911787,19cyclictest344823-21kworker/u2:222:29:190
2900199911689,18cyclictest298397-21kworker/u2:219:50:170
2900199911484,18cyclictest377896-21kworker/u2:100:40:080
2900199911383,19cyclictest308610-21kworker/u2:120:30:040
2900199911180,20cyclictest298397-21kworker/u2:220:15:040
2900199910979,19cyclictest326241-21kworker/u2:021:39:580
2900199910880,19cyclictest308610-21kworker/u2:120:37:010
2900199910879,18cyclictest330069-21kworker/u2:121:55:410
2900199910679,18cyclictest357244-21kworker/u2:023:11:430
2900199910677,18cyclictest344823-21kworker/u2:222:50:130
2900199910676,18cyclictest330069-21kworker/u2:122:05:080
2900199910474,19cyclictest290028-21kworker/u2:119:20:120
2900199910272,20cyclictest308610-21kworker/u2:120:31:140
2900199910073,18cyclictest330069-21kworker/u2:122:07:570
290019999969,19cyclictest330069-21kworker/u2:122:20:050
290019999868,19cyclictest377896-21kworker/u2:100:30:350
290019999867,20cyclictest298397-21kworker/u2:220:06:180
290019999767,19cyclictest322684-21kworker/u2:121:20:160
290019999464,19cyclictest322684-21kworker/u2:121:10:000
290019999463,20cyclictest353108-21kworker/u2:123:05:060
290019999362,19cyclictest316956-21kworker/u2:020:55:070
290019999161,19cyclictest349009-21kworker/u2:122:40:460
290019998342,18cyclictest290028-21kworker/u2:119:35:040
28988027917,19sleep00-21swapper19:09:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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