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2026-03-15 - 11:20
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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 Mar 15, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15604224730,11sleep08478-1kworker/u3:419:05:050
162659910622,62cyclictest8012-21fw_conntrack00:25:110
162659910618,26cyclictest10500-21apt-get21:24:360
162659910528,67cyclictest0-21swapper21:13:330
162659910417,65cyclictest21178-21df_inode21:55:010
162659910414,25cyclictest5637-21apt-get22:44:370
162659910317,65cyclictest26574-21ls22:10:340
162659910216,64cyclictest28178-21irqstats22:15:240
162659910214,24cyclictest1178-21irqstats00:05:220
162659910213,66cyclictest7551-21wc00:24:140
162659910128,55cyclictest12006-21users00:36:010
162659910031,51cyclictest0-21swapper23:27:250
162659910016,22cyclictest5126-21users00:16:010
162659910012,30cyclictest26240-21ssh23:44:150
1626599999,50cyclictest29942-21kernelversion22:20:230
16265999916,62cyclictest23388-21memory23:35:310
16265999916,23cyclictest18686-21ssh21:47:410
16265999915,23cyclictest9617-21df00:29:550
16265999914,44cyclictest4365-21irqstats22:40:200
16265999912,66cyclictest19413-21grep19:25:450
16265999910,67cyclictest12045-21ssh23:02:240
16265999818,19cyclictest30117-21fw_conntrack23:55:120
16265999817,59cyclictest1690-21snmpd23:17:580
16265999814,62cyclictest9150-21fw_conntrack21:20:090
16265999812,65cyclictest2584-21wget00:09:430
16265999811,67cyclictest8220-21ssh21:17:130
1626599979,53cyclictest21004-21sort19:35:020
16265999725,57cyclictest0-21swapper23:53:120
16265999717,41cyclictest9454-21fw_conntrack22:55:090
16265999716,25cyclictest18328-21ntp_states23:20:400
16265999715,55cyclictest0-21swapper22:02:000
16265999715,46cyclictest27652-21ssh23:47:580
16265999711,25cyclictest12192-21date21:29:160
16265999617,25cyclictest2448-21df22:34:530
16265999616,58cyclictest7898-21memory22:50:330
16265999616,42cyclictest768-21df_inode22:30:010
16265999615,22cyclictest31914-21irqstats00:00:190
16265999613,23cyclictest16169-21ls21:40:250
16265999612,25cyclictest22090-21ssh23:31:040
16265999610,49cyclictest24569-21ssh22:04:570
16265999610,26cyclictest19811-21processes21:50:460
16265999528,20cyclictest14632-21fw_conntrack23:10:130
16265999513,23cyclictest31308-21wget22:24:430
16265999512,27cyclictest1690-21snmpd19:24:090
16265999510,63cyclictest14253-21/usr/sbin/munin21:34:580
16265999510,63cyclictest1328-21find20:45:110
16265999412,43cyclictest4088-21grep21:00:110
16265999315,57cyclictest17788-21munin-run19:19:100
16265999314,60cyclictest21770-21df_inode19:40:040
16265999215,36cyclictest12790-21df23:04:530
16265999139,33cyclictest19779-21cut19:29:360
16265999118,25cyclictest2990-21/usr/sbin/munin20:55:090
16265999110,62cyclictest23029-21sort19:45:150
16265999024,45cyclictest0-21swapper20:14:130
16265998932,41cyclictest1690-21snmpd19:50:110
16265998916,56cyclictest0-21swapper20:24:330
16265998821,44cyclictest32188-21munin-run20:39:100
16265998817,23cyclictest16570-21df19:09:380
16265998814,23cyclictest28121-21irqstats20:14:540
16265998812,25cyclictest4615-21grep21:04:410
16265998721,45cyclictest24636-21ntp_kernel_pll_19:55:090
16265998719,21cyclictest26269-21df_inode20:04:510
16265998717,23cyclictest2409-21users20:50:170
16265998716,23cyclictest30493-21apt-get20:29:230
16265998715,25cyclictest28761-21wget20:19:300
16265998641,27cyclictest25566-21ntp_offset20:00:030
16265998623,41cyclictest32708-21memory20:39:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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