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2026-06-05 - 12:49
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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 100 highest latencies:
System rack3slot2.osadl.org (updated Fri Jun 05, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181455022590,3chrt1814547-21ntpq22:30:560
177552022590,3chrt1775516-21ntp_states20:10:590
179026922510,3chrt1790265-21munin-run21:05:050
176741422450,2sleep01767415-21ls19:41:190
175706422450,4chrt1757062-21/usr/sbin/munin19:05:180
184424122140,3sleep01844240-21systemctl00:20:010
182380622020,2sleep01823807-21ls23:05:070
175821699196160,24cyclictest1801917-21kworker/u2:122:20:050
175821699194164,18cyclictest1829731-21kworker/u2:223:31:190
175821699193162,19cyclictest1801917-21kworker/u2:121:45:400
177296821920,3sleep01772967-21systemctl20:01:340
175821699192162,18cyclictest1795892-21kworker/u2:221:36:180
175821699189159,19cyclictest1835330-21kworker/u2:000:00:070
175821699187158,19cyclictest1819974-21kworker/u2:023:16:160
175821699187152,23cyclictest1795229-21md.daily21:21:190
175821699185156,19cyclictest1835330-21kworker/u2:000:35:040
175821699185155,18cyclictest1801917-21kworker/u2:122:21:200
175821699185154,19cyclictest1801917-21kworker/u2:122:05:040
175821699184154,19cyclictest1787458-21kworker/u2:021:20:030
175821699184153,19cyclictest1848425-21kworker/u2:200:40:040
177832721760,4chrt1778325-21ntpq20:21:020
176532021760,5chrt1765319-21/usr/sbin/munin19:35:100
175821699176144,20cyclictest1771188-21kworker/u2:121:00:080
175821699175145,19cyclictest1771188-21kworker/u2:120:51:170
175821699175144,19cyclictest1746335-21kworker/u2:220:00:050
184066521740,4chrt1840660-21ntpq00:05:590
181628221740,3chrt1815480-21/usr/sbin/munin22:36:210
175821699174144,19cyclictest1835330-21kworker/u2:000:26:200
183945021720,3chrt1839448-21ntpq00:00:300
175821699172141,19cyclictest1771188-21kworker/u2:120:45:070
175821699171139,20cyclictest1829731-21kworker/u2:223:41:190
183261821690,4chrt1832608-21ntpq23:35:520
181723421690,3chrt1817231-21ntpq22:40:360
179094121680,3chrt1790938-21ps21:06:150
175821699168138,18cyclictest1835330-21kworker/u2:023:50:330
175821699168138,18cyclictest1801917-21kworker/u2:122:10:090
182183221660,2sleep01821830-21timerwakeupswit22:56:220
175821699164135,18cyclictest1819974-21kworker/u2:023:15:020
175821699164135,18cyclictest1746335-21kworker/u2:219:30:370
175821699164135,18cyclictest1746335-21kworker/u2:219:25:020
175821699164133,19cyclictest1771188-21kworker/u2:120:06:300
177710621620,2sleep01777108-21grep20:16:160
175821699162132,19cyclictest1771188-21kworker/u2:120:35:030
175821699162131,20cyclictest1835330-21kworker/u2:023:46:200
175821699161133,19cyclictest1746335-21kworker/u2:219:46:170
175821699160129,20cyclictest1819974-21kworker/u2:023:21:160
175821699159130,18cyclictest1795892-21kworker/u2:221:45:080
175821699159129,19cyclictest1771188-21kworker/u2:120:25:370
175821699159127,20cyclictest1795892-21kworker/u2:221:31:170
175821699158127,20cyclictest1801917-21kworker/u2:121:55:030
175821699156128,19cyclictest1771188-21kworker/u2:120:50:060
175821699156126,19cyclictest1819974-21kworker/u2:023:05:220
175821699155124,20cyclictest1787458-21kworker/u2:021:11:180
175821699155124,20cyclictest1746335-21kworker/u2:219:15:030
175821699153123,20cyclictest1835330-21kworker/u2:000:21:160
175821699152121,19cyclictest1801917-21kworker/u2:122:10:290
175821699151121,20cyclictest1746335-21kworker/u2:219:16:130
175821699148119,18cyclictest1746335-21kworker/u2:219:55:070
175821699146117,19cyclictest1829731-21kworker/u2:223:25:390
175821699146115,20cyclictest1801917-21kworker/u2:121:56:200
175821699145117,18cyclictest1795892-21kworker/u2:221:26:190
175821699145116,18cyclictest1819974-21kworker/u2:022:51:190
175821699143115,19cyclictest1815878-21kworker/u2:222:46:190
175821699143114,19cyclictest1771188-21kworker/u2:120:35:380
175821699141110,20cyclictest1835330-21kworker/u2:000:10:360
175821699140111,20cyclictest1746335-21kworker/u2:219:30:040
175821699139109,19cyclictest1801917-21kworker/u2:122:25:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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