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2025-12-05 - 06:44
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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 Fri Dec 05, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215803522630,3chrt2158018-21ntpq22:11:500
217308522590,2sleep02173086-21gcc22:56:030
216996922520,2sleep02169971-21grep22:46:520
214983122450,2sleep02149832-21/usr/sbin/munin21:47:080
215211422410,4chrt2152109-21munin-run21:55:020
216136122400,3chrt2161346-21ssh22:21:300
210929922390,2sleep02109302-21ntp_kernel_err19:30:310
220768622380,4chrt2207687-21ssh00:39:440
213009722200,3chrt2130095-21irqstats20:45:260
214703422150,2sleep02147033-21systemd-run21:40:050
220126721980,3sleep02201268-21cat00:20:090
210326921980,2sleep02103270-21cyclictest19:10:010
210327199197168,18cyclictest2193108-21kworker/u2:000:00:420
213137921890,2sleep02131380-21grep20:50:160
210327199189159,18cyclictest2132566-21kworker/u2:021:10:080
220478921870,2sleep02204787-21irqstats00:30:300
210327199187158,17cyclictest2186082-21kworker/u2:123:46:330
210327199182154,17cyclictest2162336-21kworker/u2:322:45:050
220218421800,2sleep02202185-21cat00:21:520
210327199180147,22cyclictest2148723-21true21:45:050
213702121790,3sleep02137023-21entropy21:10:300
210327199179152,17cyclictest2178813-21kworker/u2:200:00:070
210327199178148,18cyclictest2113053-21kworker/u2:219:55:040
210327199176149,17cyclictest2132566-21kworker/u2:021:05:040
210327199176148,17cyclictest2103278-21kworker/u2:219:20:050
210327199175145,19cyclictest2172487-21kworker/u2:123:20:050
210327199174146,16cyclictest2113053-21kworker/u2:220:15:040
210327199174145,18cyclictest2103278-21kworker/u2:219:15:030
211165121720,4chrt2111654-21tr19:40:020
216638021710,4chrt2166381-21sh22:36:180
210327199170143,17cyclictest2186082-21kworker/u2:123:40:020
210327199170141,18cyclictest2139803-21kworker/u2:121:21:360
211595521680,4chrt2115954-21munin-node19:55:130
210327199168138,19cyclictest29-21kswapd000:05:280
210327199168138,18cyclictest2153392-21kworker/u2:122:32:000
210327199167139,17cyclictest2189499-21kworker/u2:323:55:090
210327199167139,17cyclictest2117625-21kworker/u2:120:05:040
210327199167138,19cyclictest2148247-21kworker/u2:322:10:060
210327199167136,21cyclictest29-21kswapd000:11:340
215555521650,4chrt1-21systemd22:05:050
210327199165138,17cyclictest2178813-21kworker/u2:223:30:050
210327199165133,20cyclictest2113053-21kworker/u2:219:50:040
217639021640,3chrt2176391-21missed_timers23:05:450
210327199163130,22cyclictest112-21systemd-journal23:33:410
218160621610,3chrt2181597-21ntpq23:21:050
215965821600,3chrt2159657-21ssh22:16:310
210327199158131,17cyclictest2135368-21kworker/u2:221:17:010
210327199158130,17cyclictest2139803-21kworker/u2:121:35:090
210327199158130,17cyclictest2128313-21kworker/u2:220:40:040
210327199158129,18cyclictest2197509-21kworker/u2:300:30:010
217135221570,3chrt2171351-21ld22:50:520
210327199153125,18cyclictest2129790-21kworker/u2:121:00:000
210327199153123,19cyclictest2186082-21kworker/u2:123:40:140
210327199152124,18cyclictest2113053-21kworker/u2:220:06:210
210327199152123,18cyclictest2165449-21kworker/u2:023:15:070
210327199152123,18cyclictest2135368-21kworker/u2:221:57:010
210327199148120,16cyclictest2107119-21kworker/u2:019:25:050
210327199147120,17cyclictest2139803-21kworker/u2:121:30:070
210327199146117,18cyclictest2165449-21kworker/u2:023:05:040
210327199145117,17cyclictest2160076-21kworker/u2:222:26:190
210327199144116,17cyclictest2113053-21kworker/u2:220:25:130
210327199144115,17cyclictest2113053-21kworker/u2:220:25:050
210327199143114,18cyclictest2107119-21kworker/u2:019:25:320
210327199143113,18cyclictest2113053-21kworker/u2:220:15:440
210327199141114,17cyclictest2128313-21kworker/u2:220:45:000
210327199132103,18cyclictest2113053-21kworker/u2:220:30:350
21032719912697,18cyclictest2111280-21kworker/u2:019:41:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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