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2026-03-28 - 09:10
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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 Mar 28, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19920220240,129sleep00-21swapper/019:06:530
20359991727,27cyclictest1305-21snmpd21:43:410
20359991677,15cyclictest12351-21apt-get20:47:090
20359991668,19cyclictest21561-21apt-get19:17:200
20359991658,16cyclictest19675-21df21:10:260
20359991648,21cyclictest4776-21apt-get22:17:110
20359991646,15cyclictest31717-21apt-get00:07:090
203599916416,20cyclictest20814-21wget21:15:140
20359991637,17cyclictest32185-21apt-get22:02:130
203599916332,114cyclictest10250irq/56-4a10000019:22:230
20359991628,16cyclictest23874-21apt-get23:32:120
203599916223,119cyclictest787-21haveged22:35:030
20359991617,133cyclictest1100-21munin-plugin-st20:00:000
203599916139,103cyclictest10250irq/56-4a10000000:34:120
203599916137,106cyclictest10250irq/56-4a10000022:58:150
20359991607,134cyclictest20114-21sendmail-msp23:20:020
20359991598,103cyclictest10985-21kworker/u2:219:32:080
20359991589,22cyclictest9056-21wget22:35:130
203599915820,117cyclictest2475-21seq00:15:160
203599915736,108cyclictest11877-21ntpq22:45:360
203599915713,15cyclictest1408-21nginx22:22:470
203599915616,13cyclictest10250irq/56-4a10000021:31:590
203599915525,110cyclictest1305-21snmpd20:07:290
20359991538,21cyclictest26831-21/usr/sbin/munin23:45:150
20359991537,21cyclictest18132-21irqstats21:05:310
20359991537,15cyclictest30121-21df19:45:180
203599915336,105cyclictest24722-21ntpq23:35:390
203599915335,107cyclictest28578-21sendmail19:40:020
20359991526,17cyclictest1276-21runrttasks21:56:000
203599915247,85cyclictest10150irq/55-4a10000020:25:420
203599915237,101cyclictest1803-21cat22:05:300
203599915229,106cyclictest10250irq/56-4a10000021:50:140
203599915222,19cyclictest30704-21wget00:00:120
20359991518,26cyclictest1305-21snmpd20:35:200
20359991518,14cyclictest5745-21apt-get20:17:060
20359991517,20cyclictest1305-21snmpd19:53:120
20359991508,17cyclictest22213-21fw_forwarded_lo21:20:260
20359991508,120cyclictest20627-21sshd23:20:410
20359991506,18cyclictest11765-21grep20:40:430
20359991506,17cyclictest21617-21apt-key19:15:060
203599915052,86cyclictest23828-21/usr/sbin/munin21:25:490
203599915048,90cyclictest26299-21/usr/sbin/munin21:35:470
203599915040,100cyclictest22634-21grep23:30:050
203599915033,106cyclictest1276-21runrttasks23:50:460
203599915019,17cyclictest25319-21seq19:26:550
203599915013,18cyclictest30432-21seq00:00:010
203599914949,83cyclictest101ktimersoftd/000:10:380
203599914945,92cyclictest7305-21runrttasks22:27:130
203599914929,108cyclictest6333-21aten_r7power_po20:20:120
20359991488,16cyclictest18093-21ntp_states23:10:380
20359991487,17cyclictest1305-21snmpd00:36:440
203599914855,83cyclictest10594-21netstat22:40:320
203599914836,100cyclictest29683-21runrttasks21:49:530
20359991479,15cyclictest8849-21aten_r7power_vo20:30:150
203599914730,106cyclictest4211-21sshd00:21:000
20359991467,24cyclictest1236-21apt20:00:120
20359991467,17cyclictest16551-21aten_r7power_po23:05:150
20359991466,20cyclictest25590-21/usr/sbin/munin23:40:110
20359991465,22cyclictest15237-21/usr/sbin/munin23:00:180
20359991458,17cyclictest15518-21df20:55:150
203599914537,95cyclictest4043-21seq20:10:320
20359991448,113cyclictest28689-21/usr/sbin/munin19:40:410
20359991438,14cyclictest5919-21seq00:30:000
20359991436,17cyclictest1305-21snmpd22:51:170
20359991428,21cyclictest14491-21ntp_states20:50:420
20359991426,14cyclictest3159-21ntp_states22:10:390
20359991419,23cyclictest16973-21cat21:00:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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