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2026-07-02 - 03:53
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Wed Jul 01, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22112213390,13sleep022111-21/usr/sbin/munin07:05:360
227019917744,113cyclictest1276-21runrttasks12:25:430
227019917025,126cyclictest16231-21wget08:50:130
22701991699,18cyclictest24189-21apt-get09:18:200
227019916945,106cyclictest10250irq/56-4a10000009:13:410
227019916528,96cyclictest3950-21sshd10:00:160
227019916225,115cyclictest1-21systemd12:31:320
227019916132,112cyclictest1351-21lldpd07:58:250
227019916128,111cyclictest31178-21wget11:50:120
227019916121,118cyclictest1408-21nginx07:28:200
227019916118,122cyclictest6384-21sshd08:14:420
22701991599,131cyclictest25842-21mailstats07:20:460
227019915842,97cyclictest10150irq/55-4a10000011:55:440
227019915734,103cyclictest16241-21/usr/sbin/munin10:50:140
22701991568,22cyclictest1305-21snmpd09:47:100
22701991558,20cyclictest20341-21ntp_states11:05:430
22701991558,18cyclictest18959-21/usr/sbin/munin09:01:090
22701991548,20cyclictest8247-21apt-get10:17:070
22701991546,19cyclictest5956-21/usr/sbin/munin12:15:470
22701991539,18cyclictest24939-21cut11:25:110
22701991538,20cyclictest12469-21/usr/sbin/munin10:35:150
22701991538,19cyclictest28006-21diskstats07:30:360
22701991537,16cyclictest18823-21apt-get09:00:030
227019915340,101cyclictest2356-21seq09:55:140
227019915334,101cyclictest22296-21sh11:15:010
227019915323,118cyclictest754-21systemd-journal11:47:100
22701991528,16cyclictest6626-21ntp_states10:10:390
22701991527,16cyclictest9140-21ntp_states10:20:410
22701991527,16cyclictest27432-21apt-get09:32:120
227019915251,90cyclictest5217-21/usr/sbin/munin10:05:230
227019915226,108cyclictest10250irq/56-4a10000012:39:210
227019915223,114cyclictest24012-21sshd11:20:320
227019915223,108cyclictest24708-21sshd09:20:100
227019915210,19cyclictest9721-21fw_conntrack08:25:440
227019915137,104cyclictest12165-21apt-key08:35:170
227019915115,96cyclictest1276-21runrttasks09:40:150
227019915113,15cyclictest4154-21wget12:10:120
22701991509,120cyclictest7690-21systemctl08:20:010
22701991507,24cyclictest11628-21ntp_states10:30:420
22701991507,18cyclictest850-21munin-node09:50:110
227019915024,110cyclictest3619-21seq08:02:130
22701991497,15cyclictest6844-21diskstats12:20:240
22701991496,19cyclictest24111-21grep07:15:140
22701991496,17cyclictest27523-21wget11:35:150
227019914935,103cyclictest787-21haveged11:30:480
22701991489,126cyclictest1124-21https12:00:310
22701991488,118cyclictest10194-21sshd10:25:210
22701991487,19cyclictest4443-21ntpq08:05:360
227019914813,116cyclictest2887-21grep12:05:140
22701991478,17cyclictest23172-21ntp_states07:10:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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