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2025-11-25 - 17:31
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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 100 highest latencies:
System rackeslot5.osadl.org (updated Tue Nov 25, 2025 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19945994747,0cyclictest0-21swapper/111:05:141
19941993635,1cyclictest1879-21apt-get11:05:140
1994799300,29cyclictest611-21avahi-daemon08:55:002
1994599300,29cyclictest23236-21apt-get08:25:131
1994199300,29cyclictest19700-21cron10:35:000
19947992927,1cyclictest29555-21cron07:30:012
1994799290,28cyclictest0-21swapper/209:15:002
19945992927,1cyclictest27270-21munin-run07:25:011
19945992927,1cyclictest0-21swapper/109:20:011
1994599290,28cyclictest7735-21munin-run10:10:001
1994599290,28cyclictest2430-21apt-get12:15:131
1994599290,28cyclictest11806-21apt-get12:35:131
1994199290,28cyclictest0-21swapper/007:40:140
19950992828,0cyclictest29627-21apt-get10:55:143
19950992827,0cyclictest25534-21apt-get11:55:143
19950992826,1cyclictest21208-21perf09:30:003
1995099280,27cyclictest0-21swapper/309:35:133
1995099280,0cyclictest0-21swapper/308:00:163
19947992828,0cyclictest4201-21apt-get11:10:122
19947992826,1cyclictest398-21munin-run09:55:012
19947992826,1cyclictest2145-21sh12:15:012
19947992826,1cyclictest2145-21sh12:15:012
1994799280,0cyclictest0-21swapper/210:35:132
1994799280,0cyclictest0-21swapper/210:10:122
1994799280,0cyclictest0-21swapper/207:10:192
19945992828,0cyclictest0-21swapper/111:35:121
19945992828,0cyclictest0-21swapper/111:25:141
1994599280,28cyclictest0-21swapper/108:20:151
1994599280,0cyclictest0-21swapper/107:45:111
19950992727,0cyclictest30793-21apt-get09:50:143
19950992727,0cyclictest0-21swapper/312:25:153
1995099270,27cyclictest0-21swapper/309:45:133
1995099270,0cyclictest0-21swapper/312:00:153
19947992727,0cyclictest0-21swapper/212:05:122
19947992727,0cyclictest0-21swapper/212:00:152
19947992727,0cyclictest0-21swapper/210:20:122
19947992727,0cyclictest0-21swapper/210:15:142
19947992727,0cyclictest0-21swapper/210:00:122
19947992727,0cyclictest0-21swapper/208:25:132
19947992725,1cyclictest0-21swapper/209:45:012
19945992727,0cyclictest19720-21apt-get10:35:011
19945992727,0cyclictest0-21swapper/112:10:121
19945992727,0cyclictest0-21swapper/112:10:121
1994599270,0cyclictest0-21swapper/110:40:131
19941992727,0cyclictest9183-21apt-get07:55:140
19941992727,0cyclictest13879-21apt-get11:30:120
19941992727,0cyclictest0-21swapper/011:40:130
19941992727,0cyclictest0-21swapper/011:35:120
19941992727,0cyclictest0-21swapper/011:20:130
19941992727,0cyclictest0-21swapper/011:20:120
19941992727,0cyclictest0-21swapper/010:05:130
19941992727,0cyclictest0-21swapper/009:30:110
19941992727,0cyclictest0-21swapper/009:05:120
19941992727,0cyclictest0-21swapper/007:45:110
19941992727,0cyclictest0-21swapper/007:25:130
1994199270,27cyclictest0-21swapper/010:50:130
1994199270,0cyclictest0-21swapper/008:50:110
19950992626,0cyclictest7439-21apt-get09:00:143
19950992626,0cyclictest2766-21apt-get08:50:113
19950992626,0cyclictest2214-21apt-get07:40:143
19950992626,0cyclictest0-21swapper/311:45:123
19950992626,0cyclictest0-21swapper/308:40:143
19950992625,1cyclictest30198-21apt-get12:05:123
19947992626,0cyclictest0-21swapper/211:50:122
19947992626,0cyclictest0-21swapper/211:15:132
19945992626,0cyclictest0-21swapper/109:50:001
19945992625,0cyclictest0-21swapper/112:30:131
19941992626,0cyclictest7102-21apt-get12:25:150
19941992626,0cyclictest0-21swapper/008:45:000
19941992625,1cyclictest27228-21cron07:25:000
19950992525,0cyclictest32280-21apt-get08:45:013
19950992524,1cyclictest32522-21apt-get12:10:143
19950992524,1cyclictest32522-21apt-get12:10:143
19947992525,0cyclictest27888-21apt-get08:35:132
19947992524,1cyclictest5091-21apt-get08:55:122
19941992525,0cyclictest0-21swapper/007:10:120
19941992524,1cyclictest31971-21apt-get11:00:130
19950992424,0cyclictest21769-21apt-get07:10:183
19950992424,0cyclictest0-21swapper/308:05:143
19950992424,0cyclictest0-21swapper/307:55:143
19947992424,0cyclictest0-21swapper/211:25:132
19947992424,0cyclictest0-21swapper/209:20:122
19947992422,1cyclictest10904-21cron11:25:012
19947992422,1cyclictest10904-21cron11:25:012
19945992424,0cyclictest0-21swapper/111:10:121
19945992424,0cyclictest0-21swapper/107:55:141
19945992423,1cyclictest27300-21apt-get10:50:131
19941992424,0cyclictest0-21swapper/008:30:120
19941992424,0cyclictest0-21swapper/007:30:130
19941992423,1cyclictest26142-21apt-get09:40:110
19950992322,1cyclictest21472-21apt-get09:30:123
19947992323,0cyclictest28469-21apt-get09:45:132
19947992322,1cyclictest23797-21apt-get09:35:132
19947992321,1cyclictest0-21swapper/207:45:012
19945992323,0cyclictest0-21swapper/109:25:131
19945992323,0cyclictest0-21swapper/109:00:131
19945992323,0cyclictest0-21swapper/108:00:161
19945992323,0cyclictest0-21swapper/107:35:131
19945992323,0cyclictest0-21swapper/107:10:121
19941992323,0cyclictest0-21swapper/012:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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