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2025-11-26 - 03:58
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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 highest latencies:
System rack3slot2.osadl.org (updated Wed Nov 26, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165679922580,3chrt1656785-21ntpq21:31:090
169779322540,2sleep01697794-21/usr/sbin/munin23:31:520
170572122510,3chrt1705713-21irqstats23:55:340
167311822510,3chrt1673089-21munin-run22:20:030
166446922440,3chrt1664468-21ssh21:54:180
168723122420,3chrt1687228-21ntpq23:00:530
171674022400,3chrt1716739-21ssh00:27:260
167996122400,2sleep01679963-21wc22:40:110
166026322390,4chrt1660257-21ntp_states21:41:260
165169322230,3chrt1651688-21ntpq21:16:040
167665022140,2sleep01676651-21date22:30:130
162588922110,2sleep01625888-21/usr/sbin/munin19:45:170
168257822050,2sleep01682581-21wc22:47:000
161590099203174,17cyclictest1698608-21kworker/u2:323:35:290
166824122020,2sleep01668242-21ssh22:05:180
164098522020,2sleep01640986-21cron20:40:010
161590099194164,18cyclictest1613106-21kworker/u2:019:20:050
161590099193163,18cyclictest1665982-21kworker/u2:322:01:370
161590099192159,22cyclictest1707697-21munin-node00:01:060
161590099188161,18cyclictest1682866-21kworker/u2:323:25:020
161590099188159,19cyclictest1705055-21kworker/u2:300:10:070
161590099187157,18cyclictest1624291-21kworker/u2:219:45:040
161590099186158,17cyclictest1701960-21kworker/u2:123:45:040
161590099184153,19cyclictest1649124-21kworker/u2:121:15:100
161590099184150,22cyclictest1712885-21ldconfig00:16:340
161590099183155,17cyclictest1613106-21kworker/u2:019:15:040
161590099182152,19cyclictest1652448-21kworker/u2:321:25:120
161590099182149,22cyclictest1665982-21kworker/u2:322:10:150
169047021770,2sleep01690473-21wc23:10:340
161590099177148,18cyclictest1682866-21kworker/u2:323:10:060
168509221740,3chrt1685091-21/usr/sbin/munin22:55:110
161590099174145,18cyclictest1713306-21kworker/u2:200:36:440
161590099174144,19cyclictest1645189-21kworker/u2:221:25:040
161590099174144,18cyclictest1631254-21kworker/u2:020:15:050
161590099173143,18cyclictest1637322-21kworker/u2:120:35:040
161590099171142,18cyclictest1662511-21kworker/u2:221:56:530
171778021700,3chrt1717773-21ntpq00:30:510
161590099170141,18cyclictest1701960-21kworker/u2:123:50:290
167501321690,2sleep01675012-21/usr/sbin/munin22:25:160
161590099168140,16cyclictest1662511-21kworker/u2:221:50:090
161590099167138,17cyclictest1657559-21kworker/u2:022:40:290
161590099167134,21cyclictest84-21jbd2/mmcblk0p2-21:40:060
164691821660,2sleep01646916-21kernelversion21:00:270
161590099166138,17cyclictest1637322-21kworker/u2:120:45:050
164826521650,4chrt1648264-21/usr/sbin/munin21:05:220
163036921650,3chrt1630357-21ntpq20:00:450
161590099164135,18cyclictest1637322-21kworker/u2:120:50:030
161590099164135,18cyclictest1634031-21kworker/u2:220:26:190
161590099164133,19cyclictest1613106-21kworker/u2:019:30:070
164541121630,4chrt1645410-21/usr/sbin/munin20:55:190
161590099163134,20cyclictest1684645-21kworker/u2:123:00:040
161590099163133,18cyclictest1621488-21kworker/u2:119:51:200
161590099162132,19cyclictest1634031-21kworker/u2:220:16:190
161590099160131,19cyclictest1629771-21kworker/u2:220:00:060
161590099160129,19cyclictest1688024-21kworker/u2:223:16:550
161590099160129,19cyclictest1637322-21kworker/u2:120:50:070
161590099159131,17cyclictest1603518-21kworker/u2:219:10:040
161590099159130,18cyclictest1631254-21kworker/u2:020:25:060
161590099159129,20cyclictest29-21kswapd000:11:330
161590099153125,17cyclictest1657559-21kworker/u2:022:25:090
161590099153124,18cyclictest1701960-21kworker/u2:100:25:070
161590099149121,17cyclictest1631254-21kworker/u2:020:10:050
161590099146116,18cyclictest1701960-21kworker/u2:123:45:140
161590099142114,17cyclictest1613106-21kworker/u2:019:35:050
161590099140110,20cyclictest1613106-21kworker/u2:019:35:080
161590099140110,18cyclictest1682866-21kworker/u2:323:25:260
161590099133105,19cyclictest1613106-21kworker/u2:019:21:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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