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2025-11-19 - 02:25
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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 100 highest latencies:
System rack2slot7.osadl.org (updated Wed Nov 19, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1362864995241,6cyclictest0-21swapper/121:09:181
136286399461,2cyclictest1447814-21entropy22:03:010
136286399411,26cyclictest58-21kcompactd021:38:030
136286399401,25cyclictest0-21swapper/022:08:080
1362863993920,5cyclictest0-21swapper/023:40:580
136286399356,28cyclictest0-21swapper/000:07:480
1362863993413,11cyclictest0-21swapper/022:38:050
136286399336,4cyclictest171rcu_preempt21:09:180
136286399332,19cyclictest1366387-21/usr/sbin/munin19:28:060
1362863993310,5cyclictest1519892-21ntpq23:18:050
136286499321,21cyclictest0-21swapper/121:33:091
136286399322,5cyclictest171rcu_preempt23:38:050
1362863993213,3cyclictest1526912-21sendmail-msp23:27:060
1362864993118,5cyclictest1006-21mta-sts-daemon21:40:451
136286399318,7cyclictest0-21swapper/023:47:570
136286499303,23cyclictest967-21snmpd20:38:051
1362864993021,7cyclictest271ktimers/121:23:041
136286499297,16cyclictest619-21mta-sts-daemon22:30:591
1362864992918,6cyclictest764-21rs:main1
136286399282,4cyclictest171rcu_preempt00:23:050
136286399280,27cyclictest0-21swapper/023:10:580
112699280,7rtkit-daemon1005-21mta-sts-daemon19:58:080
136286599266,3cyclictest11050irq/107-eth%d00:13:072
1362863992618,6cyclictest0-21swapper/022:28:120
136286399260,20cyclictest1583971-21netstat00:28:050
136286599253,15cyclictest1008-21mta-sts-daemon21:28:392
1362865992514,7cyclictest0-21swapper/219:48:082
1362864992517,6cyclictest762-21in:imuxsock20:06:241
136286399255,1cyclictest171rcu_preempt00:43:050
136286399255,12cyclictest11050irq/107-eth%d23:52:350
1362863992520,4cyclictest1428783-21fschecks_time21:42:590
1362863992516,6cyclictest191rcuc/021:28:390
136286599244,15cyclictest1555788-21apt-get23:55:572
1362864992419,4cyclictest1512486-21cron23:10:551
1362864992417,5cyclictest1575321-21cut00:18:001
136286399243,17cyclictest0-21swapper/023:07:580
1362863992422,1cyclictest1575850-21ntpq00:18:040
136286399242,15cyclictest1412699-21sendmail-msp21:33:300
1362863992418,3cyclictest0-21swapper/020:55:550
136286599234,14cyclictest111788-21systemd-journal23:28:052
136286399235,15cyclictest2243333-21munin-node20:38:050
1362863992316,2cyclictest0-21swapper/021:58:090
136286399231,2cyclictest1507830-21munin-run23:05:550
136286399231,18cyclictest0-21swapper/023:58:110
1362865992219,2cyclictest1489043-21sh22:45:552
1362865992215,6cyclictest1006-21mta-sts-daemon21:53:052
1362865992211,5cyclictest762-21in:imuxsock19:28:382
136286499226,13cyclictest0-21swapper/122:03:011
136286499222,15cyclictest1505157-21head23:03:011
136286499221,1cyclictest1538688-21ssh23:38:061
1362864992211,7cyclictest261rcuc/122:57:571
136286499220,2cyclictest1494235-21ssh22:50:581
136286399223,13cyclictest0-21swapper/019:42:560
1362863992216,1cyclictest1592361-21ntpq00:38:060
112699220,1rtkit-daemon0-21swapper/221:04:182
136286599215,8cyclictest1457856-21ssh22:13:072
136286499218,12cyclictest1547457-21sh23:47:571
136286499217,1cyclictest171rcu_preempt20:20:571
136286499214,16cyclictest0-21swapper/119:15:551
136286399214,16cyclictest0-21swapper/022:48:020
136286399212,11cyclictest0-21swapper/023:23:060
136286399212,11cyclictest0-21swapper/023:23:060
136286399211,18cyclictest11050irq/107-eth%d00:13:090
136286599208,8cyclictest1460652-21ssh22:15:562
136286599202,5cyclictest0-21swapper/223:40:582
136286599202,14cyclictest1455124-21ssh22:10:332
136286599202,12cyclictest1434390-21grep21:48:112
136286499200,5cyclictest0-21swapper/120:28:051
136286399208,2cyclictest764-21rs:main0
136286399206,5cyclictest1500958-21/usr/sbin/munin22:58:050
136286399200,16cyclictest1383962-21switchtime20:18:110
136286699192,9cyclictest0-21swapper/322:03:013
136286599194,9cyclictest0-21swapper/200:08:012
136286599193,15cyclictest1400007-21packagekitd21:05:582
136286599192,9cyclictest1390086-21tune2fs20:38:002
136286599192,14cyclictest1404600-21/usr/sbin/munin21:18:092
136286599191,14cyclictest1424540-21ssh21:38:032
136286599190,7cyclictest1576004-21proc_pri00:18:072
136286499196,9cyclictest1434175-21ssh21:48:081
136286499196,4cyclictest1592269-21ntpq00:38:051
136286499193,14cyclictest1580040-21ssh00:23:021
136286499191,4cyclictest0-21swapper/122:19:441
1362864991913,3cyclictest1564869-21sendmail-msp00:09:351
136286399199,1cyclictest171rcu_preempt00:02:590
136286399195,12cyclictest967-21snmpd22:40:560
136286399192,4cyclictest171rcu_preempt21:48:050
136286399192,13cyclictest0-21swapper/022:53:070
1362863991910,2cyclictest0-21swapper/022:24:070
136286399190,1cyclictest1405444-21ntpq21:18:030
136286399190,19cyclictest0-21swapper/020:27:550
136286599184,11cyclictest1384957-21/usr/sbin/munin20:22:572
136286599183,9cyclictest1362823-21munin-run19:15:552
136286599181,14cyclictest1491386-21/usr/sbin/munin22:48:082
136286599181,12cyclictest1496904-21/usr/sbin/munin22:53:112
136286599181,11cyclictest1384288-21munin-run20:20:552
136286499184,11cyclictest834-21gdbus22:10:561
136286499183,3cyclictest762-21in:imuxsock20:33:051
136286499182,8cyclictest1444216-21/usr/sbin/munin21:58:091
136286499182,1cyclictest0-21swapper/121:53:091
136286499182,13cyclictest1472401-21ntpq22:28:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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