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2026-05-17 - 03:54
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack5slot7.osadl.org (updated Sun May 17, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3499224462199,94sleep00-21swapper19:04:110
37609910419,64cyclictest27879-21users21:13:050
37609910418,43cyclictest17143-21df23:51:590
37609910416,67cyclictest25826-21fw_conntrack00:17:150
37609910317,64cyclictest22456-21memory22:32:330
3760991029,70cyclictest29401-21ssh22:52:440
37609910218,22cyclictest29055-21fw_conntrack21:17:120
37609910217,64cyclictest31096-21memory00:32:360
37609910119,41cyclictest32470-21fw_conntrack21:27:120
37609910117,63cyclictest6504-21munin-run23:21:140
37609910116,64cyclictest1350-21apt-get21:31:330
37609910114,65cyclictest10058-21ssh23:31:350
37609910029,37cyclictest6363-21sh21:46:070
37609910018,62cyclictest30873-21fw_conntrack22:57:130
37609910017,22cyclictest13629-21df22:06:580
37609910016,45cyclictest3474-21fw_conntrack21:37:170
37609910016,21cyclictest19122-21memory23:57:330
37609910011,67cyclictest28234-21ssh00:23:430
3760999939,39cyclictest1449-21/usr/sbin/munin23:07:500
3760999917,60cyclictest12193-21irqstats23:37:210
3760999917,44cyclictest23687-21ssh22:36:430
3760999916,21cyclictest5211-21df19:11:420
3760999913,65cyclictest15290-21/usr/sbin/munin23:46:470
3760999913,26cyclictest3447-21ssh23:11:560
3760999832,46cyclictest21815-21cat22:31:160
3760999818,44cyclictest18856-21df_inode22:22:080
3760999817,59cyclictest9259-21users23:28:030
3760999817,41cyclictest26301-21users22:43:040
3760999816,22cyclictest17434-21ntp_states22:17:460
3760999815,63cyclictest22448-21irqstats00:07:240
3760999814,24cyclictest27808-21/usr/sbin/munin22:47:520
3760999813,66cyclictest12034-21fw_conntrack22:02:120
3760999813,46cyclictest14565-21ssh23:43:500
3760999812,66cyclictest24064-21df_inode00:12:100
3760999812,26cyclictest8849-21rm21:52:450
3760999717,61cyclictest29189-21df_inode00:27:040
3760999717,19cyclictest20306-21apt-get00:01:310
3760999716,61cyclictest6956-21irqstats21:47:230
3760999716,19cyclictest32550-21df_inode23:02:080
3760999714,63cyclictest7158-21memory23:22:350
3760999712,48cyclictest10478-21ssh21:57:340
376099959,48cyclictest8994-21/usr/sbin/munin19:37:070
3760999534,45cyclictest0-21swapper21:09:050
3760999512,59cyclictest8115-21tr19:31:330
3760999411,61cyclictest22931-21grep20:52:070
3760999313,60cyclictest30730-21df_inode21:22:050
3760999213,63cyclictest16010-21users22:13:020
3760999212,59cyclictest11680-21/usr/sbin/munin19:51:230
3760999212,22cyclictest19688-21munin-run20:36:130
3760999210,45cyclictest17275-21ls20:21:380
3760999119,53cyclictest5664-21df_inode19:16:480
3760999116,55cyclictest13338-21sed19:57:190
3760999015,23cyclictest24248-21sort21:01:150
376099899,62cyclictest14110-21sort20:02:160
3760998927,45cyclictest0-21swapper20:47:140
3760998919,24cyclictest25102-21munin-run21:06:150
3760998915,24cyclictest7452-21df_inode19:26:530
3760998913,26cyclictest16493-21/usr/sbin/munin20:16:520
3760998817,22cyclictest20989-21fw_conntrack20:41:520
3760998816,24cyclictest10186-21fw_conntrack19:41:520
3760998814,25cyclictest18278-21fw_conntrack20:26:520
3760998814,24cyclictest4797-21munin-node19:11:190
3760998812,54cyclictest15620-21irqstats20:11:560
3760998811,25cyclictest14964-21rt-features20:07:120
3760998717,23cyclictest6585-21fw_conntrack19:21:560
3760998715,24cyclictest20140-21irqstats20:36:580
3760998618,22cyclictest10784-21apt-get19:46:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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