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2025-12-10 - 12:48
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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 Wed Dec 10, 2025 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58301122610,3chrt582993-21ntpq23:16:480
60174722490,4chrt601740-21ntpq00:11:220
54888322460,3sleep0548886-21mailstats21:36:580
54162922430,3chrt541620-21ntpq21:15:560
58596522400,3chrt585962-21ssh23:25:290
58059822370,4chrt580599-21latency_hist23:10:110
57227322320,2sleep0572274-21sh22:45:310
51337822290,2chrt513379-21ntpq19:35:510
58411322210,3chrt584110-21ssh23:20:150
60433722120,3chrt604335-21ssh00:19:200
52428722070,2sleep0524288-21/usr/sbin/munin20:15:270
60561622060,2sleep0605617-21sh00:22:050
50585999195165,19cyclictest588595-21kworker/u2:100:01:120
59735121930,4chrt597350-21ssh23:58:300
54038721890,2sleep0540390-21wc21:12:030
56613821870,3chrt566136-21timerandwakeup22:27:020
51504021820,2sleep0515041-21mailstats19:41:160
50585999181154,17cyclictest555041-21kworker/u2:322:00:060
50585999180152,17cyclictest597105-21kworker/u2:300:40:060
50585999180150,19cyclictest536475-21kworker/u2:221:10:080
50585999179151,18cyclictest602683-21kworker/u2:100:30:060
50585999178149,17cyclictest533769-21kworker/u2:321:00:050
50585999177149,18cyclictest594189-21kworker/u2:223:50:050
50585999176147,18cyclictest574960-21kworker/u2:023:40:110
50585999175146,19cyclictest547004-21kworker/u2:021:55:040
50585999174147,17cyclictest540864-21kworker/u2:121:30:100
50585999174145,19cyclictest559541-21kworker/u2:122:45:050
50585999174140,22cyclictest551862-21ntpq21:45:420
50585999173145,18cyclictest585918-21kworker/u2:423:45:040
50585999173144,18cyclictest561300-21kworker/u2:022:21:330
50585999172142,19cyclictest565301-21kworker/u2:222:37:020
60027221710,3sleep0600270-21sendmail_mailqu00:06:570
50585999171141,19cyclictest511445-21kworker/u2:020:00:010
50585999171140,19cyclictest511445-21kworker/u2:019:35:060
50585999170142,18cyclictest547004-21kworker/u2:021:45:090
58100721690,2sleep0581008-21/usr/sbin/munin23:10:440
50585999169141,18cyclictest508668-21kworker/u2:119:25:050
50585999168140,17cyclictest517467-21kworker/u2:119:55:030
50585999166137,17cyclictest555041-21kworker/u2:322:01:570
50585999166136,19cyclictest532859-21kworker/u2:120:50:370
50585999165135,19cyclictest608157-21kworker/u2:200:31:560
50585999165134,20cyclictest520309-21kworker/u2:220:00:420
58759821640,3chrt587593-21ssh23:30:180
50585999163133,19cyclictest532859-21kworker/u2:120:50:020
50585999162132,18cyclictest540864-21kworker/u2:121:21:550
50585999161131,18cyclictest522605-21kworker/u2:120:10:440
50585999160132,17cyclictest536475-21kworker/u2:221:31:410
50585999159130,17cyclictest525010-21kworker/u2:020:30:030
50585999159130,17cyclictest525010-21kworker/u2:020:25:030
50585999158130,17cyclictest565301-21kworker/u2:222:51:410
50585999158130,17cyclictest502921-21kworker/u2:219:30:060
50585999158129,18cyclictest511445-21kworker/u2:019:50:060
50585999157128,17cyclictest529273-21kworker/u2:220:36:150
50585999157127,19cyclictest488274-21kworker/u2:019:11:170
50585999156126,18cyclictest561300-21kworker/u2:022:30:390
52259221540,2sleep0522593-21munin-run20:10:000
50585999154127,17cyclictest559541-21kworker/u2:122:15:050
50585999154126,17cyclictest488274-21kworker/u2:019:10:050
50585999153125,17cyclictest559541-21kworker/u2:122:15:130
50585999152125,17cyclictest565301-21kworker/u2:223:05:010
50585999149119,18cyclictest565301-21kworker/u2:222:55:270
50585999147119,17cyclictest533769-21kworker/u2:321:05:040
50585999147118,18cyclictest530990-21kworker/u2:020:40:370
50585999146115,20cyclictest84-21jbd2/mmcblk0p2-22:10:080
50585999143113,19cyclictest526795-21kworker/u2:120:30:410
50585999136108,18cyclictest574960-21kworker/u2:023:50:290
50585999129101,18cyclictest502921-21kworker/u2:219:16:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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