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2026-03-27 - 15:23
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack7slot2.osadl.org (updated Fri Mar 27, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1968111998878,6cyclictest2087437-21kworker/u4:14+events_unbound11:00:030
1968112998137,28cyclictest2036557-21grep09:50:391
1968112998137,28cyclictest2036557-21grep09:50:391
1968111997960,16cyclictest53-21kswapd012:10:060
1968111997364,6cyclictest2069241-21kworker/u4:6+events_unbound10:29:590
1968112997138,30cyclictest2003535-21apt09:14:591
1968112997130,35cyclictest2140773-21kworker/u4:15-rpciod11:50:191
1968112997035,31cyclictest0-21swapper/109:55:161
1968112997035,31cyclictest0-21swapper/109:55:161
1968111997063,5cyclictest1977193-21kworker/u4:0+events_unbound08:44:480
1968112996937,28cyclictest2142900-21latency_hist11:50:011
1968111996961,6cyclictest2055530-21kworker/u4:18+events_unbound10:14:580
1968112996834,30cyclictest0-21swapper/109:25:381
1968112996736,28cyclictest1976824-21proc_pri07:40:371
1968111996756,8cyclictest2031195-21ssh09:45:200
1968112996633,31cyclictest2152723-21ssh12:00:261
1968112996631,33cyclictest2089049-21ssh10:50:021
1968112996534,28cyclictest2133979-21latency_hist11:40:011
1968112996532,30cyclictest2124920-21latency_hist11:30:001
1968111996551,10cyclictest1977202-21systemd07:44:420
1968111996529,33cyclictest25650irq/23-42890000.ethernet07:10:060
1968112996429,31cyclictest0-21swapper/111:30:201
1968112996428,32cyclictest0-21swapper/111:05:381
1968112996428,32cyclictest0-21swapper/111:05:381
1968111996456,5cyclictest2069241-21kworker/u4:6+events_unbound10:40:010
1968111996423,37cyclictest1066-21snmpd08:55:070
1968111996423,37cyclictest1066-21snmpd08:55:070
196811299636,9cyclictest53-21kswapd010:25:111
1968112996333,27cyclictest2075947-21/usr/sbin/munin10:35:161
1968112996333,27cyclictest2066613-21awk10:25:011
1968111996347,11cyclictest37-21kcompactd010:34:570
1968112996228,31cyclictest0-21swapper/110:10:301
1968112996225,34cyclictest0-21swapper/109:40:391
1968111996249,9cyclictest2140772-21kworker/u4:14-rpciod12:00:390
1968112996133,25cyclictest0-21swapper/110:00:171
196811299612,16cyclictest1995932-21ntpq08:55:311
196811299612,16cyclictest1995932-21ntpq08:55:311
196811199616,44cyclictest1971610-21sshd07:20:330
1968111996153,6cyclictest1968040-21kworker/u4:10+events_unbound07:19:420
1968111996142,16cyclictest0-21swapper/011:15:120
1968112996034,24cyclictest2183268-21ssh12:35:181
1968112996033,24cyclictest0-21swapper/110:40:301
1968112996031,26cyclictest0-21swapper/111:40:271
1968112996026,31cyclictest0-21swapper/112:20:281
1968112996026,31cyclictest0-21swapper/111:20:391
1968112996025,31cyclictest2003897-21aten_r7power_cu09:15:151
1968112995930,27cyclictest0-21swapper/111:57:351
1968112995930,26cyclictest2099306-21pluginstate11:00:421
1968112995928,28cyclictest1990353-21sed08:35:161
1968112995927,30cyclictest2156677-21aten_r7power_vo12:05:171
1968112995926,29cyclictest0-21swapper/111:10:171
1968112995924,31cyclictest1968110-21cyclictest07:10:021
1968112995915,41cyclictest0-21swapper/109:35:231
1968111995952,5cyclictest2123237-21kworker/u4:5+events_unbound11:35:100
1968112995831,24cyclictest2154380-21kworker/u4:9-rpciod12:30:211
1968112995827,29cyclictest2053072-21munin-run10:10:001
1968112995827,28cyclictest0-21swapper/111:15:191
1968112995826,30cyclictest0-21swapper/112:25:251
1968112995826,29cyclictest0-21swapper/109:20:291
1968112995825,30cyclictest1988688-21kworker/u4:10+rpciod08:30:161
1968112995823,33cyclictest1993486-21mailstats08:45:341
196811299581,13cyclictest1994608-21ntpq08:50:291
1968112995725,29cyclictest2169434-21ssh12:20:001
1968112995724,30cyclictest0-21swapper/110:50:211
1968112995712,41cyclictest1987313-21unixbench_multi08:20:371
196811299571,14cyclictest2161773-21ntpq12:10:341
1968111995748,7cyclictest2169521-21latency_hist12:20:010
1968111995748,6cyclictest2172369-21kworker/u4:16+events_unbound12:35:000
1968111995747,7cyclictest1968110-21cyclictest12:38:170
196811299563,18cyclictest2031622-21sh09:45:301
196811299562,9cyclictest2018337-21ps09:30:391
196811299562,9cyclictest2018337-21ps09:30:391
1968112995629,24cyclictest0-21swapper/107:10:021
1968112995625,28cyclictest0-21swapper/110:56:331
196811299562,17cyclictest1970317-21ps07:15:341
1968111995648,5cyclictest2042433-21kworker/u4:11+events_unbound09:59:570
1968111995648,5cyclictest2042433-21kworker/u4:11+events_unbound09:59:570
1968111995647,6cyclictest1981007-21kworker/u4:6+events_unbound08:00:000
1968111995645,9cyclictest0-21swapper/011:45:120
196811299553,8cyclictest1975413-21ntpq07:35:281
1968112995531,21cyclictest0-21swapper/107:45:181
1968112995526,27cyclictest0-21swapper/108:25:371
196811299551,13cyclictest1998573-21ntpq09:05:331
1968111995543,8cyclictest1981499-21fschecks_count08:00:170
1968112995424,27cyclictest0-21swapper/110:15:261
196811299542,13cyclictest2071648-21ssh10:30:191
196811299541,13cyclictest1985698-21ntpq08:15:331
1968111995447,5cyclictest151ktimers/009:21:470
1968111995446,6cyclictest2098037-21latency_hist11:00:000
1968112995317,31cyclictest1982343-21munin-run08:05:011
1968112995316,34cyclictest1971385-21grep07:20:241
196811299531,14cyclictest1980150-21df_inode07:55:171
1968111995346,5cyclictest2116356-21/usr/sbin/munin11:20:150
1968111995340,9cyclictest2004918-21ls09:15:370
1968111995327,16cyclictest0-21swapper/012:25:280
1968112995227,22cyclictest0-21swapper/108:45:001
1968112995222,27cyclictest0-21swapper/107:50:171
1968112995214,4cyclictest1984374-21ntp_kernel_pll_08:10:291
196811299521,13cyclictest1972838-21ntpq07:25:241
1968111995244,5cyclictest2018529-21timerandwakeup09:30:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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