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2026-05-08 - 15:28
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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 Fri May 08, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27490221429,52sleep00-21swapper/019:08:120
2777099125101,12cyclictest0-21swapper/019:10:030
2091221106,11sleep020915-21df20:50:170
2256821096,14sleep022571-21vmstat20:55:500
277709910722,46cyclictest29490-21ntpq19:15:410
314721065,12sleep03145-21ntp_states23:55:410
531321045,13sleep05346-21basename00:05:160
277709910430,40cyclictest0-21swapper/021:28:330
1863721045,12sleep018638-21ntp_states20:40:400
280321015,11sleep02810-21awk21:45:430
1005021016,16sleep010053-21df_inode22:15:180
617921005,11sleep06181-21sshd19:52:110
1279321005,13sleep012765-21apt-get20:17:150
1148621005,12sleep0809-21systemd-logind00:27:480
94522995,12sleep09457-21netstat20:05:340
27770999971,12cyclictest101ktimersoftd/021:17:070
27770999655,28cyclictest3650irq/20-4900000021:37:090
27770999630,50cyclictest10250irq/56-4a10000020:00:110
2359429522,60sleep0101ktimersoftd/021:00:380
307282905,11sleep030746-21ntp_states19:20:370
27770999053,24cyclictest101ktimersoftd/023:10:270
27770999044,31cyclictest3650irq/20-4900000022:35:260
27770998947,33cyclictest10150irq/55-4a10000000:35:110
27770998934,38cyclictest0-21swapper/023:33:180
83592865,70sleep08380-21awk00:15:470
27770998622,29cyclictest787-21haveged21:35:060
27770998541,31cyclictest25326-21runrttasks21:07:550
27770998537,30cyclictest1276-21runrttasks22:00:170
27770998453,15cyclictest10150irq/55-4a10000022:56:540
27770998440,33cyclictest18607-21aten_r7power_cu22:50:120
27770998438,13cyclictest10150irq/55-4a10000023:05:470
27770998422,30cyclictest787-21haveged20:25:030
27770998363,12cyclictest101ktimersoftd/022:40:230
27770998344,26cyclictest101ktimersoftd/019:30:350
27770998343,26cyclictest3650irq/20-4900000000:30:250
27770998311,31cyclictest17185-21df_inode20:35:210
2777099827,57cyclictest2010-21node23:02:400
27770998242,27cyclictest2241-21seq23:51:450
27770998239,29cyclictest3650irq/20-4900000000:05:030
27770998218,32cyclictest101ktimersoftd/021:55:250
27770998153,13cyclictest10150irq/55-4a10000020:30:440
27770998152,18cyclictest12972-21/usr/sbin/munin22:25:480
27770998144,23cyclictest101ktimersoftd/019:35:410
27770998121,15cyclictest18379-21chrt22:49:160
27770998041,25cyclictest101ktimersoftd/023:40:570
27770998039,26cyclictest0-21swapper/020:48:230
27770998036,29cyclictest3650irq/20-4900000000:20:260
27770998032,31cyclictest27002-21mailstats23:20:450
27770998023,26cyclictest2284-21latency_hist21:45:030
27770997949,15cyclictest10150irq/55-4a10000023:15:470
27770997910,30cyclictest31616-21aten_r7power_cu19:25:120
27770997852,17cyclictest30263-21/usr/sbin/munin23:35:140
27770997849,17cyclictest7878-21/usr/sbin/munin22:05:440
27770997842,24cyclictest0-21swapper/022:10:220
27770997819,15cyclictest29334-21latency_hist21:25:030
27770997757,12cyclictest101ktimersoftd/022:20:450
27770997747,19cyclictest577-21/usr/sbin/munin23:45:400
27770997747,13cyclictest10150irq/55-4a10000021:10:390
27770997740,23cyclictest101ktimersoftd/020:10:130
27770997716,28cyclictest787-21haveged00:15:050
27770997643,14cyclictest10150irq/55-4a10000019:55:390
2777099756,19cyclictest1276-21runrttasks21:52:530
27770997545,19cyclictest4367-21runrttasks19:45:210
27770997541,26cyclictest0-21swapper/022:30:210
27770997444,13cyclictest10150irq/55-4a10000019:40:150
27770997344,14cyclictest10150irq/55-4a10000020:25:150
27770997331,30cyclictest10250irq/56-4a10000023:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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