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2026-04-22 - 04:14
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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 Tue Apr 21, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29272220521,48sleep00-21swapper/007:05:020
30519991638,110cyclictest32587-21irqstats07:16:000
305199916332,111cyclictest15060-21sshd12:26:230
30519991628,122cyclictest23347-21/usr/sbin/munin10:55:200
305199916130,110cyclictest12199-21processes12:16:280
305199916036,108cyclictest10250irq/56-4a10000009:35:160
305199916027,114cyclictest4292-21/usr/sbin/munin09:40:340
305199915919,119cyclictest787-21haveged11:45:040
305199915874,66cyclictest101ktimersoftd/008:15:180
305199915842,102cyclictest22635-21ntpq08:45:400
305199915814,122cyclictest32083-21/usr/sbin/munin09:20:350
305199915718,101cyclictest17723-21sshd10:30:500
305199915645,91cyclictest10150irq/55-4a10000009:10:400
30519991558,16cyclictest138782sleep008:10:360
30519991557,20cyclictest10095-21proc_pri10:00:420
30519991547,16cyclictest5417-21apt-get09:47:140
30519991546,16cyclictest14143-21apt-get10:17:070
305199915440,101cyclictest25447-21sshd11:01:180
305199915420,111cyclictest4773-21cut07:35:040
30519991538,125cyclictest29960-21apt-get09:17:240
305199915350,83cyclictest10150irq/55-4a10000008:05:210
305199915330,107cyclictest31617-21ntp_states11:25:450
305199915328,104cyclictest18612-21wget08:30:150
305199915325,118cyclictest26466-21gpg-connect-age09:00:220
30519991529,19cyclictest8647-21wget07:50:140
30519991527,17cyclictest11289-21ntp_states10:05:420
30519991527,14cyclictest5252-21proc_pri07:35:440
30519991526,15cyclictest1305-21snmpd08:26:120
305199915235,104cyclictest27915-21processes11:10:420
305199915135,104cyclictest2010-21node10:50:160
305199915110,22cyclictest18573-21diskstats10:35:250
30519991509,20cyclictest16201-21ntp_states12:30:400
30519991507,16cyclictest16228-21diskstats08:20:220
305199915028,109cyclictest25902-21https09:00:070
305199915010,127cyclictest26826-21users11:05:480
30519991498,18cyclictest1305-21snmpd11:37:010
30519991498,16cyclictest20131-21ntp_states08:35:430
30519991497,18cyclictest6619-21/usr/sbin/munin11:55:330
305199914927,105cyclictest787-21haveged10:13:370
305199914911,125cyclictest5399-21ntp_states11:50:350
30519991487,18cyclictest472-21processes11:30:410
305199914841,96cyclictest8156-21runrttasks07:47:520
305199914837,99cyclictest14763-21runrttasks10:20:160
305199914820,88cyclictest16427-21grep10:25:480
305199914811,119cyclictest812-21avahi-daemon12:35:350
305199914810,106cyclictest1305-21snmpd08:01:050
30519991479,126cyclictest23878-21ntp_states08:50:430
30519991477,15cyclictest4173-21ntp_states11:45:420
30519991477,124cyclictest28778-21wget11:15:110
30519991476,14cyclictest31018-21awk07:10:430
305199914730,105cyclictest736-21fw_conntrack09:25:260
30519991467,17cyclictest1305-21snmpd07:25:570
30519991459,19cyclictest1999-21diskstats09:30:220
30519991459,123cyclictest28207-21users09:05:490
30519991459,122cyclictest13291-21ntpq12:20:340
30519991457,16cyclictest8466-21wget09:55:190
30519991457,14cyclictest21242-21fw_forwarded_lo08:40:270
305199914524,111cyclictest9945-21ls07:55:160
305199914432,103cyclictest6059-21aten_r7power_cu07:40:110
305199914424,110cyclictest1712-21runrttasks07:20:570
305199914416,112cyclictest9837-21systemd12:09:420
30519991439,19cyclictest30169-21diskstats11:20:170
30519991436,16cyclictest7905-21ntp_states12:00:400
30519991429,121cyclictest1305-21snmpd12:10:370
30519991419,121cyclictest20028-21ntpq10:40:430
30519991418,122cyclictest1408-21nginx09:50:050
305199913920,107cyclictest21170-21memory10:45:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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