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2026-08-22 - 21:29
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Sat Aug 22, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22389220529,54sleep00-21swapper/019:08:250
22641991669,137cyclictest22487-21http23:30:040
22641991668,137cyclictest801-21dbus-daemon00:00:010
22641991647,111cyclictest6292-21apt-get22:17:070
226419916439,107cyclictest10250irq/56-4a10000019:56:220
22641991629,96cyclictest32114-21/usr/sbin/munin00:05:530
226419916127,114cyclictest1305-21snmpd22:06:050
226419916125,114cyclictest1408-21nginx21:56:520
22641991596,97cyclictest24104-21apt-get23:37:090
22641991589,112cyclictest23362-21memory23:31:060
22641991588,128cyclictest8124-21runrttasks22:25:130
226419915841,98cyclictest1480-21munin-node20:30:110
226419915831,115cyclictest26401-21apt-get19:22:100
226419915634,104cyclictest10250irq/56-4a10000000:13:580
22641991556,111cyclictest20862-21apt-get21:12:110
226419915548,96cyclictest135762chrt20:40:110
226419915516,119cyclictest4800-21ntp_states20:05:420
226419915451,94cyclictest9887-21aten_r7power_vo20:25:140
226419915431,88cyclictest10250irq/56-4a10000022:01:040
226419915427,106cyclictest19411-21wget23:15:080
226419915417,118cyclictest7919-21latency_hist22:25:020
22641991538,91cyclictest31080-21diskstats00:00:220
226419915217,112cyclictest1305-21snmpd23:11:230
22641991519,89cyclictest3583-21/usr/sbin/munin20:00:420
22641991517,105cyclictest6779-21http20:15:040
226419915145,94cyclictest25509-21ntp_states21:25:390
226419915122,90cyclictest10211-21sshd22:33:280
226419915110,85cyclictest7551-21fw_forwarded_lo20:15:460
22641991506,123cyclictest23150-21mailstats21:15:470
22641991506,105cyclictest27067-21diskstats19:25:210
22641991498,105cyclictest20863-21/usr/sbin/munin21:10:050
22641991497,107cyclictest1305-21snmpd21:39:000
22641991488,118cyclictest6372-21wget00:30:120
22641991488,102cyclictest30460-21cron19:40:000
22641991486,119cyclictest27109-21/usr/sbin/munin23:45:380
226419914836,100cyclictest12441-21df20:35:170
226419914820,107cyclictest1305-21snmpd23:21:240
22641991478,96cyclictest9148-21runrttasks20:20:490
22641991478,96cyclictest28546-21df_inode23:50:200
22641991477,95cyclictest5299-21df_inode00:25:200
22641991475,102cyclictest1276-21runrttasks19:35:000
226419914731,95cyclictest26358-21/usr/sbin/munin21:30:130
22641991466,119cyclictest1305-21snmpd22:41:160
226419914633,102cyclictest4077-21diskstats00:20:250
226419914624,105cyclictest10250irq/56-4a10000023:43:540
22641991457,99cyclictest1276-21runrttasks22:35:360
226419914528,106cyclictest28852-21/usr/sbin/munin21:40:200
226419914527,100cyclictest24184-21seq21:20:320
22641991449,98cyclictest22911-21seq19:10:160
22641991447,97cyclictest8550-21chrt00:35:460
226419914418,104cyclictest614-21apt19:50:120
22641991439,92cyclictest13214-21df_inode22:45:200
22641991436,99cyclictest1305-21snmpd19:46:180
226419914329,102cyclictest1312-21sshd22:10:410
226419914311,112cyclictest18357-21latency_hist21:00:040
226419914240,92cyclictest16111-21seq22:55:460
226419914239,94cyclictest15459-21wc22:55:030
226419914239,90cyclictest14955-21seq20:45:190
226419914237,93cyclictest3596-21seq00:18:580
226419914226,105cyclictest787-21haveged19:40:240
226419914224,99cyclictest24159-21df_inode19:15:190
22641991418,91cyclictest31525-21df21:50:180
22641991406,118cyclictest18857-21/usr/sbin/munin21:00:350
22641991399,89cyclictest16183-21df20:50:170
226419913911,114cyclictest1285-21lldpd23:09:040
22641991378,116cyclictest17084-21memory23:00:350
226419913616,101cyclictest1305-21snmpd21:47:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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