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2025-11-27 - 09:02
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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 Thu Nov 27, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157123499460,29cyclictest1790183-21sendmail-msp00:32:430
157123499431,28cyclictest0-21swapper/023:34:250
157123699416,6cyclictest0-21swapper/222:58:052
157123599415,12cyclictest1737452-21ntpq23:28:121
157123599374,10cyclictest0-21swapper/100:12:591
1571234993730,5cyclictest0-21swapper/022:26:390
1571234993726,8cyclictest1638353-21sendmail-msp21:46:380
1571234993720,8cyclictest0-21swapper/023:10:090
1571235993626,6cyclictest1647633-21ssh21:55:411
1571235993624,7cyclictest0-21swapper/122:31:081
157123499362,21cyclictest0-21swapper/021:27:110
157123699349,5cyclictest11050irq/107-eth%d21:31:052
1571234993329,3cyclictest0-21swapper/020:03:070
157123499332,30cyclictest0-21swapper/000:30:030
157123699323,6cyclictest259-21jbd2/mmcblk0p2-823:12:412
157123499325,8cyclictest1683776-21ssh22:32:550
1571234993220,3cyclictest0-21swapper/020:54:070
157123699314,5cyclictest1682044-21apt-get22:31:092
157123699311,7cyclictest1742183-21ntpq23:33:072
1571235993124,4cyclictest1734708-21sendmail-msp23:33:071
1571235993118,9cyclictest1605750-21sendmail-msp21:14:121
1571234993125,5cyclictest11650irq/162-mmc021:34:590
157123699304,13cyclictest1773229-21ssh00:06:032
157123699302,3cyclictest1699117-21ssh22:48:092
157123599305,5cyclictest0-21swapper/122:08:091
157123599303,22cyclictest1653258-21ssh22:01:051
1571235993014,12cyclictest1773591-21kworker/u8:1+rpciod00:31:121
1571234993019,2cyclictest1778545-21aten_r2power_cu00:12:580
157123499301,3cyclictest1652752-21apt-config22:01:020
157123699294,7cyclictest171rcu_preempt22:21:062
157123499293,20cyclictest0-21swapper/021:43:070
157123499291,27cyclictest0-21swapper/000:08:030
157123699286,7cyclictest11050irq/107-eth%d23:47:582
157123699285,2cyclictest0-21swapper/221:58:012
157123499285,17cyclictest1005-21mta-sts-daemon22:06:090
157123499283,3cyclictest1571233-21cyclictest19:16:020
157123499282,24cyclictest1783261-21fschecks_time00:18:020
1571234992814,3cyclictest0-21swapper/023:46:450
1571236992716,6cyclictest0-21swapper/221:11:082
157123599273,13cyclictest111788-21systemd-journal21:31:091
1571235992718,7cyclictest1722551-21ssh23:13:051
1571234992718,7cyclictest0-21swapper/022:38:030
157123499271,23cyclictest1611254-21grep21:18:010
157123499271,23cyclictest0-21swapper/022:18:060
157123499271,1cyclictest1726974-21fschecks_time23:18:010
157123699266,15cyclictest2243333-21munin-node23:03:072
157123699263,17cyclictest1590276-21/usr/sbin/munin20:13:092
1571235992614,9cyclictest1588057-21sendmail-msp20:11:121
157123499265,4cyclictest11050irq/107-eth%d22:01:050
157123699257,12cyclictest1677289-21sendmail-msp22:26:102
157123599253,19cyclictest1708443-21ntpq22:58:051
157123599253,16cyclictest1616329-21/usr/sbin/munin21:23:031
1571235992515,9cyclictest1754139-21sendmail-msp23:50:451
1571235992514,9cyclictest1715690-21sendmail-msp23:10:411
1571235992512,4cyclictest1571193-21munin-run19:16:021
1571235992512,10cyclictest1605750-21sendmail-msp21:10:171
1571235992512,10cyclictest1605750-21sendmail-msp21:10:171
1571234992516,4cyclictest0-21swapper/019:30:580
1571234992516,2cyclictest1616001-21grep21:23:010
157123499251,24cyclictest0-21swapper/022:43:030
157123699243,17cyclictest111788-21systemd-journal23:27:432
157123599245,14cyclictest111788-21systemd-journal22:46:071
1571235992414,8cyclictest1790796-21ssh00:26:451
157123499244,5cyclictest1703023-21telnet22:53:000
1571234992423,1cyclictest69-21kswapd022:21:050
157123499242,16cyclictest1665287-21/usr/sbin/munin22:13:130
1571234992416,1cyclictest0-21swapper/000:03:500
1571234992413,4cyclictest0-21swapper/023:13:140
157123499241,21cyclictest1712866-21ssh23:03:020
1571234992411,5cyclictest1734708-21sendmail-msp23:29:360
1571234992410,5cyclictest1707934-21fschecks_count22:58:020
157123699237,9cyclictest11050irq/107-eth%d23:06:042
157123699236,12cyclictest111788-21systemd-journal00:32:432
157123699234,16cyclictest1770582-21grep00:03:082
157123699233,2cyclictest0-21swapper/222:13:072
157123699230,10cyclictest1805549-21awk00:46:022
157123599233,13cyclictest633-21gpm21:48:091
1571235992318,3cyclictest1589818-21latency_hist20:11:031
157123499232,21cyclictest0-21swapper/020:58:080
1571234992314,3cyclictest1803848-21switchtime00:43:120
157123499231,17cyclictest0-21swapper/023:23:110
157123699224,4cyclictest0-21swapper/222:38:082
157123699223,14cyclictest1734672-21apt-get23:26:032
157123699221,5cyclictest11050irq/107-eth%d22:51:222
157123599223,11cyclictest0-21swapper/121:18:041
157123599222,5cyclictest11050irq/107-eth%d22:26:031
1571235992211,8cyclictest762-21in:imuxsock00:09:151
1571235992211,6cyclictest1574897-21sendmail-msp19:28:031
1571235992210,10cyclictest764-21rs:main1
157123499220,15cyclictest1645098-21/usr/sbin/munin21:53:030
157123699213,11cyclictest1640783-21ssh21:48:092
157123599219,5cyclictest1670580-21ssh22:18:381
157123599219,10cyclictest1594981-21/usr/sbin/munin20:23:081
157123599214,13cyclictest1783733-21ssh00:18:061
157123599213,9cyclictest1751630-21ssh23:43:031
157123599213,16cyclictest1689635-21ntp_states22:38:081
1571235992117,3cyclictest1726895-21grep23:18:001
1571235992111,7cyclictest1586451-1kworker/1:1H+kblockd20:26:041
157123499217,11cyclictest1007-21mta-sts-daemon22:48:090
1571234992116,3cyclictest1578675-21cut19:38:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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