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2026-07-14 - 08:30
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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 Tue Jul 14, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17274224112216,143sleep00-21swapper19:00:420
176069917119,39cyclictest10113-21apt-get21:13:450
176069917019,38cyclictest18591-21munin-run21:38:270
176069916939,27cyclictest31648-21unixbench_singl22:15:080
176069916717,41cyclictest23866-21apt-get21:53:420
176069916634,24cyclictest9021-21if_err_eth022:44:290
176069916521,24cyclictest22141-21apt-get21:48:440
176069916517,38cyclictest13778-21apt-get22:58:450
176069916510,65cyclictest1830-21cat20:34:270
176069916421,50cyclictest10988-21irqstats00:24:380
176069916417,47cyclictest32741-21apt-get20:28:390
176069916417,41cyclictest27533-21apt-get23:38:440
176069916317,39cyclictest16847-21munin-run21:33:270
176069916314,46cyclictest15869-21fw_conntrack23:04:260
176069916246,21cyclictest13707-21latency_hist22:58:290
176069916223,29cyclictest7649-21memory00:14:450
176069916218,38cyclictest18813-21munin-run23:13:240
176069916218,23cyclictest29369-21df_inode22:09:190
176069916211,48cyclictest6629-21apt-get21:03:450
176069916143,20cyclictest26678-21sh22:00:530
176069916134,43cyclictest20883-21grep19:20:000
176069916131,29cyclictest0-21swapper23:16:370
176069916127,36cyclictest0-21swapper23:28:310
176069916119,59cyclictest20890-21ssh23:19:030
176069916119,23cyclictest7247-21df_inode22:39:140
176069916118,23cyclictest9286-21irqstats00:19:360
176069916112,42cyclictest5374-21apt-get00:08:420
176069916032,30cyclictest0-21swapper00:07:180
176069916031,19cyclictest0-21swapper22:26:190
176069916030,18cyclictest0-21swapper22:22:310
176069916018,47cyclictest19095-21fw_conntrack21:39:270
176069916014,58cyclictest24428-21df_inode23:29:150
176069915930,18cyclictest0-21swapper00:33:020
176069915916,42cyclictest13412-21munin-run21:23:250
176069915916,36cyclictest25819-21fw_conntrack19:49:040
176069915914,59cyclictest20865-21/usr/sbin/munin21:44:320
176069915843,20cyclictest30230-21vmstat23:45:260
176069915816,25cyclictest9971-21munin-run21:13:240
176069915815,28cyclictest27562-21df22:04:080
176069915812,43cyclictest26757-21users23:35:150
176069915812,22cyclictest28595-21snmpd22:35:150
176069915641,21cyclictest2586-21sh23:59:550
176069915631,18cyclictest0-21swapper22:31:110
176069915616,24cyclictest11926-21munin-run22:53:240
176069915613,49cyclictest30055-21apt-get20:13:390
176069915612,27cyclictest14545-21ssh21:25:310
176069915419,44cyclictest3290-21fw_conntrack20:44:040
176069915419,28cyclictest582-21df_inode23:54:210
176069915418,43cyclictest31164-21df20:18:550
176069915412,27cyclictest2366-21sed20:38:570
176069915411,54cyclictest27155-21unixbench_singl19:54:360
176069915317,47cyclictest24148-21memory19:39:160
176069915316,23cyclictest31340-21fw_conntrack23:49:240
176069915312,47cyclictest5728-21/usr/sbin/munin20:58:440
176069915235,20cyclictest21230-21cstates19:23:530
176069915217,23cyclictest17703-21apt-get19:03:370
176069915210,24cyclictest23061-21sed19:33:580
176069915039,22cyclictest24794-21cpuspeed19:43:510
176069915016,44cyclictest32113-21df_inode20:24:000
176069914918,36cyclictest29035-21munin-run20:08:250
176069914914,27cyclictest4809-21/usr/sbin/munin20:54:010
176069914912,20cyclictest27933-21find19:59:280
176069914816,43cyclictest29422-21fw_conntrack20:09:020
176069914813,53cyclictest22687-21users19:29:360
176069914714,44cyclictest4379-21ntp_states20:49:210
176069914615,23cyclictest19453-21df19:13:540
176069914414,42cyclictest18729-21irqstats19:08:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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