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2025-11-25 - 11:58
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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 Tue Nov 25, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1514351995742,12cyclictest1514348-21cyclictest23:21:012
1514351994718,6cyclictest11050irq/107-eth%d00:44:012
151435199446,12cyclictest0-21swapper/200:28:102
151434999442,5cyclictest1595398-21ntpq21:58:050
151435099434,16cyclictest0-21swapper/123:38:061
151434999392,7cyclictest1585282-21aten_r2power_fr21:48:000
1514351993726,9cyclictest0-21swapper/220:14:052
151434999376,28cyclictest1658323-21ssh23:06:030
151434999353,3cyclictest0-21swapper/021:43:080
1514349993530,4cyclictest1707393-21ld23:58:050
1514349993530,4cyclictest1707393-21ld23:58:050
151434999340,23cyclictest259-21jbd2/mmcblk0p2-800:07:590
151434999339,8cyclictest11050irq/107-eth%d22:06:050
1514349993331,1cyclictest0-21swapper/021:08:060
1514349993330,3cyclictest0-21swapper/020:48:120
1514350993222,5cyclictest1686010-21ssh23:35:251
1514349993219,1cyclictest1651127-21ssh22:58:050
1514349993213,4cyclictest0-21swapper/023:03:070
151434999313,7cyclictest11050irq/107-eth%d22:18:070
151434999313,7cyclictest11050irq/107-eth%d22:18:070
151434999313,24cyclictest1644212-21latency_hist22:51:010
151434999311,21cyclictest1698717-21unixbench_singl23:48:150
151435199304,15cyclictest111788-21systemd-journal20:33:062
1514351993011,14cyclictest111788-21systemd-journal21:27:022
151435099304,8cyclictest0-21swapper/121:35:131
151435099304,8cyclictest0-21swapper/121:35:131
1514350992919,6cyclictest0-21swapper/123:18:061
1514350992914,4cyclictest11050irq/107-eth%d21:24:071
151434999293,2cyclictest1688867-21/usr/sbin/munin23:38:090
1514349992916,2cyclictest0-21swapper/023:31:010
151435199281,22cyclictest1532178-21netstat20:08:052
151435099287,16cyclictest1524245-21sendmail-msp19:48:071
151435099286,5cyclictest1621592-21ssh22:26:011
1514349992819,0cyclictest0-21swapper/023:28:100
151435199279,14cyclictest1639595-21sendmail-msp22:54:332
1514351992710,10cyclictest1583968-21ssh21:46:032
151434999272,7cyclictest111788-21systemd-journal23:52:090
1514349992713,8cyclictest1583736-21sendmail-msp21:52:200
151435199260,8cyclictest1684034-21ntpq23:33:102
1514349992623,2cyclictest0-21swapper/020:28:100
151434999262,17cyclictest58-21kcompactd022:26:060
1514349992619,4cyclictest11750irq/162-s-mmc021:34:410
1514349992619,4cyclictest11750irq/162-s-mmc021:34:410
1514349992617,8cyclictest762-21in:imuxsock00:35:100
151434999261,10cyclictest1566808-21/usr/sbin/munin21:28:040
151435299254,13cyclictest0-21swapper/322:08:073
151435199252,4cyclictest0-21swapper/222:13:502
1514351992515,8cyclictest111788-21systemd-journal22:30:482
151435099253,17cyclictest1607261-21latency_hist22:11:011
151434999253,16cyclictest111788-21systemd-journal22:11:330
1514351992410,10cyclictest0-21swapper/221:38:042
151435099240,4cyclictest171rcu_preempt22:18:071
151435099240,4cyclictest171rcu_preempt22:18:071
151434999243,4cyclictest11050irq/107-eth%d21:24:070
1514349992415,4cyclictest1741229-21/usr/sbin/munin00:38:050
1514349992413,2cyclictest1744365-21tune2fs00:43:020
151435199236,12cyclictest764-21rs:main2
151435199233,3cyclictest1551012-21ntpq21:03:032
1514351992316,6cyclictest1740742-21fschecks_count00:38:022
151435099236,13cyclictest111788-21systemd-journal20:09:451
151435099235,13cyclictest1677099-21sendmail-msp23:29:541
151435099233,4cyclictest171rcu_preempt20:26:071
151435099233,15cyclictest1733801-21ntp_states00:28:101
1514350992319,2cyclictest0-21swapper/123:08:061
151434999235,11cyclictest1530832-21sendmail-msp20:11:520
151434999232,14cyclictest1532180-21netstat20:08:050
1514349992320,1cyclictest0-21swapper/023:43:020
151434999231,3cyclictest1674838-21ssh23:23:090
151435199226,12cyclictest1677099-21sendmail-msp23:26:292
151435199224,3cyclictest0-21swapper/223:11:082
151435199223,13cyclictest1695779-21sendmail-msp23:54:042
1514351992213,7cyclictest1551646-21sendmail-msp21:06:012
1514351992210,8cyclictest1592266-21ssh21:54:432
151435099226,11cyclictest1008-21mta-sts-daemon00:06:031
151435099224,14cyclictest967-21snmpd22:50:161
151435099223,16cyclictest1666614-21ssh23:14:441
151435099223,13cyclictest1008-21mta-sts-daemon21:58:051
151435099222,16cyclictest1701919-21aten_r2power_en23:52:591
1514350992218,3cyclictest0-21swapper/122:03:091
1514350992216,3cyclictest0-21swapper/123:43:011
151434999223,15cyclictest1733813-21ntpq00:28:100
112699220,3rtkit-daemon1125-21rtkit-daemon22:45:242
112699220,1rtkit-daemon1125-21rtkit-daemon23:50:371
151435199217,11cyclictest0-21swapper/221:32:542
151435199217,11cyclictest0-21swapper/221:32:542
151435199215,9cyclictest1658089-21sendmail-msp23:06:062
151435199214,7cyclictest1731612-21sendmail-msp00:34:222
151435199212,3cyclictest11050irq/107-eth%d21:16:002
151434999215,14cyclictest1669649-21/usr/sbin/munin23:18:060
151434999212,12cyclictest1524245-21sendmail-msp19:48:070
151434999211,16cyclictest1725249-21/usr/sbin/munin00:18:060
151434999210,6cyclictest1639614-21latency_hist22:46:000
151435299201,7cyclictest0-21swapper/321:46:033
151435199205,10cyclictest1669648-21ssh23:18:062
151435199201,12cyclictest0-21swapper/219:33:112
151435099203,16cyclictest111788-21systemd-journal22:34:161
151434999202,16cyclictest111788-21systemd-journal21:13:090
151434999201,18cyclictest1511436-1kworker/0:0H+kblockd22:03:010
151434999200,19cyclictest1527468-21grep19:53:130
151435299193,4cyclictest0-21swapper/322:48:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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