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2026-01-11 - 02:48
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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 all highest latencies:
System rack7slot8.osadl.org (updated Sun Jan 11, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3572221129,52sleep00-21swapper/019:06:550
40039917024,16cyclictest10250irq/56-4a10000022:22:360
40039916534,113cyclictest10250irq/56-4a10000022:32:380
40039916338,107cyclictest10250irq/56-4a10000023:12:440
40039915924,15cyclictest10250irq/56-4a10000020:53:150
4003991586,131cyclictest22180-21/usr/sbin/munin20:20:290
40039915832,114cyclictest1-21systemd00:00:020
4003991578,16cyclictest26619-21diskstats22:45:210
40039915644,101cyclictest11737-21sshd23:52:000
40039915536,106cyclictest5725-21ntpq19:15:410
40039915437,107cyclictest10471-21munin-run23:50:010
40039915422,27cyclictest9755-21fw_forwarded_lo19:30:480
40039915232,11cyclictest10150irq/55-4a10000023:25:240
40039915222,19cyclictest30715-21wget20:55:140
4003991518,48cyclictest3128-21apt-get21:12:100
4003991518,17cyclictest10569-21netstat21:40:350
40039915147,93cyclictest24309-21runrttasks22:35:390
40039915119,19cyclictest1305-21snmpd00:33:370
4003991506,18cyclictest8181-21ps21:30:430
40039915042,91cyclictest3650irq/20-4900000000:10:230
40039915037,100cyclictest5978-21ntpq23:30:370
40039915032,107cyclictest8978-21apt-get19:30:030
40039915029,20cyclictest13566-21cut00:00:130
4003991498,15cyclictest12175-21diskstats19:40:230
40039914932,105cyclictest2010-21node22:57:420
4003991488,33cyclictest18907-21ntp_states00:20:430
4003991488,19cyclictest15605-21seq22:00:400
4003991487,23cyclictest4150-21wget19:10:150
40039914834,103cyclictest18243-21systemctl22:10:470
40039914834,101cyclictest5491-21sshd21:20:320
4003991477,16cyclictest20884-21fw_conntrack20:15:220
40039914734,102cyclictest21433-21/usr/sbin/munin22:25:210
40039914725,14cyclictest18505-21netstat20:05:340
40039914723,15cyclictest23172-21/usr/sbin/munin20:25:130
40039914722,14cyclictest18379-21munin-plugin-st00:20:020
4003991468,16cyclictest7160-21memory23:35:340
4003991466,16cyclictest1276-21runrttasks19:37:330
40039914637,92cyclictest8950irq/40-mmc120:00:030
40039914633,100cyclictest801-21dbus-daemon21:05:010
40039914630,20cyclictest1-21systemd00:05:120
40039914626,15cyclictest2010-21node20:32:190
40039914622,14cyclictest1276-21runrttasks23:10:030
40039914621,17cyclictest25563-21ntp_states22:40:400
40039914618,15cyclictest4734-21apt-get21:20:020
40039914610,125cyclictest2010-21node20:37:190
40039914549,86cyclictest3951-21wc23:25:070
40039914541,92cyclictest16634-21runrttasks22:05:180
40039914536,98cyclictest88442chrt23:41:480
40039914535,99cyclictest14651-21sshd21:56:320
4003991453,16cyclictest12734-21wget21:50:120
40039914531,102cyclictest801-21dbus-daemon23:20:010
40039914531,102cyclictest801-21dbus-daemon21:10:010
40039914511,25cyclictest27151-21fw_forwarded_lo20:40:260
4003991449,21cyclictest7273-21runrttasks19:21:140
40039914440,93cyclictest14783-21netstat19:50:330
40039914410,18cyclictest20867-21latency_hist00:30:030
40039914341,92cyclictest13402-21runrttasks19:45:180
40039914334,96cyclictest17110-21awk20:00:170
40039914331,102cyclictest30367-21entropy23:00:230
40039914240,87cyclictest10150irq/55-4a10000000:38:390
40039914229,14cyclictest9167-21/usr/sbin/munin21:35:220
4003991419,19cyclictest27864-21/usr/sbin/munin22:50:210
4003991417,16cyclictest19758-21/usr/sbin/munin20:10:340
40039914124,13cyclictest10250irq/56-4a10000020:47:480
40039914037,93cyclictest6790-21sshd21:25:320
40039913844,84cyclictest11513-21basename21:45:130
40039913837,89cyclictest19321-21sh22:15:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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