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2026-05-23 - 17:07
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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 Sat May 23, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28058223239,59sleep00-21swapper/019:08:330
282939916337,109cyclictest10250irq/56-4a10000021:48:190
282939916334,107cyclictest10916-21seq22:13:210
28293991618,16cyclictest22344-21apt-get23:02:150
282939916130,113cyclictest1305-21snmpd23:41:400
282939916036,107cyclictest10250irq/56-4a10000020:20:120
282939915928,120cyclictest12016-21sshd22:17:080
282939915922,14cyclictest0-21swapper/020:48:390
282939915840,107cyclictest6195-21apt-get19:52:120
282939915831,115cyclictest2073-21apt-get19:35:550
282939915711,21cyclictest1285-21lldpd22:07:550
282939915626,116cyclictest5282-21sendmail-msp00:00:040
282939915619,13cyclictest1285-21lldpd00:37:570
28293991558,18cyclictest14298-21sshd00:31:370
282939915543,102cyclictest9837-21runrttasks20:00:590
282939915538,104cyclictest6579-21sshd00:02:090
28293991548,22cyclictest12090-21wget20:10:120
28293991548,19cyclictest24486-21ntp_states23:05:380
282939915424,19cyclictest787-21haveged21:20:150
28293991537,14cyclictest23221-21apt-get20:57:100
282939915330,111cyclictest22372-21http23:00:050
282939915327,16cyclictest16223-21/usr/sbin/munin22:35:420
282939915324,116cyclictest11567-21chrt20:06:530
282939915320,19cyclictest1669-21wget23:45:090
282939915245,95cyclictest28244-21runrttasks21:12:070
282939915226,17cyclictest5876-21sshd19:47:210
282939915219,21cyclictest1305-21snmpd22:31:220
28293991518,15cyclictest13954-21diskstats22:25:220
28293991516,23cyclictest1154-21fw_conntrack19:30:240
282939915134,105cyclictest1305-21snmpd20:40:010
282939915132,106cyclictest10850-21wget00:20:130
28293991508,19cyclictest1305-21snmpd23:16:340
28293991507,15cyclictest1408-21nginx21:31:270
282939915044,95cyclictest6251-21sshd21:55:080
282939915041,93cyclictest10150irq/55-4a10000022:20:230
282939915030,109cyclictest787-21haveged23:30:220
282939915029,111cyclictest8523-21runrttasks19:55:460
282939915012,13cyclictest10250irq/56-4a10000023:28:200
28293991496,23cyclictest649-21seq19:28:570
282939914945,94cyclictest20420-21wc22:50:440
282939914919,13cyclictest10250irq/56-4a10000000:18:420
28293991488,16cyclictest12439-21ntp_states00:25:370
28293991486,19cyclictest7748-21fw_conntrack22:00:230
282939914841,95cyclictest14078-21runrttasks20:17:060
282939914823,26cyclictest2916-21awk21:40:350
282939914736,98cyclictest754-21systemd-journal21:16:070
282939914735,99cyclictest2010-21node20:51:220
282939914718,20cyclictest1305-21snmpd19:18:200
28293991468,16cyclictest25338-21/usr/sbin/munin23:10:250
282939914640,94cyclictest5056-21latency_hist19:45:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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