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2025-07-19 - 06:30
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Note that this system runs a non-RT kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot4.osadl.org (updated Thu Jul 17, 2025 00:46:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24134522367321,15sleep70-21swapper/719:07:5113
24132602362315,15sleep60-21swapper/619:05:4012
24134112361316,15sleep50-21swapper/519:07:1611
24135782353310,34sleep140-21swapper/1419:09:346
24135202343321,15sleep150-21swapper/1519:08:487
24134982343320,15sleep130-21swapper/1319:08:285
24132872343321,14sleep80-21swapper/819:05:5914
24132882342320,14sleep90-21swapper/919:06:0015
24135652341319,14sleep20-21swapper/219:09:238
24135062341318,15sleep30-21swapper/319:08:369
24132582340317,15sleep40-21swapper/419:05:3810
24135022338316,14sleep00-21swapper/019:08:310
24133022338314,15sleep10-21swapper/119:06:071
24135752337314,15sleep120-21swapper/1219:09:334
24134792336314,14sleep110-21swapper/1119:08:113
24133152336313,15sleep100-21swapper/1019:06:182
241400299181181,0cyclictest0-21swapper/122:30:191
241402899147146,1cyclictest2588745-21nodev-device-ev22:30:2015
2414044999897,1cyclictest2597295-21nodev-device-ev22:40:186
2414022999594,1cyclictest2443303-21nodev-device-ev19:40:1813
2414002999594,1cyclictest2434750-21nodev-device-ev19:30:191
2414018999392,1cyclictest2507435-21nodev-device-ev20:55:1812
2414005999190,1cyclictest0-21swapper/222:35:188
2414012999089,1cyclictest2644349-21nodev-device-ev23:35:1710
2414012998988,1cyclictest2468962-21nodev-device-ev20:10:1810
2414012998988,1cyclictest2468962-21nodev-device-ev20:10:1810
2414038998784,3cyclictest0-21swapper/1223:15:194
2414044998280,1cyclictest2640088-21nodev-device-ev23:30:176
2414038998281,1cyclictest0-21swapper/1200:20:174
2414022998079,1cyclictest0-21swapper/721:20:1813
2414018998079,1cyclictest0-21swapper/622:40:1812
2414042997877,1cyclictest2610113-21nodev-device-ev22:55:195
2414042997877,1cyclictest2610113-21nodev-device-ev22:55:195
2414002997675,1cyclictest2418782-21nodev-device-ev19:14:591
2414028997170,1cyclictest2447565-21nodev-device-ev19:45:1815
2414009997170,1cyclictest2486070-21nodev-device-ev20:30:199
2414014996867,1cyclictest2601575-21nodev-device-ev22:45:1811
2414032996463,1cyclictest2593032-21nodev-device-ev22:35:182
2414022996463,1cyclictest0-21swapper/722:25:1513
2414018996362,1cyclictest0-21swapper/623:30:1712
2414002996262,0cyclictest0-21swapper/119:10:191
2414028996059,1cyclictest0-21swapper/919:30:2015
2414002995352,1cyclictest2652905-21nodev-device-ev23:45:191
2414012995150,1cyclictest2618690-21nodev-device-ev23:05:1910
2414014994948,1cyclictest0-21swapper/522:55:1911
2414014994948,1cyclictest0-21swapper/522:55:1911
2414009994948,1cyclictest2635797-21nodev-device-ev23:25:189
2414044994847,1cyclictest0-21swapper/1420:00:186
2414044994645,1cyclictest2631537-21nodev-device-ev23:20:196
2414044994544,1cyclictest0-21swapper/1420:05:186
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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