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2026-06-18 - 04:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 376 highest latencies:
System rack5slot7.osadl.org (updated Thu Jun 18, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
359225640,13sleep030724-1kworker/u3:119:00:030
15299910830,48cyclictest0-21swapper21:37:190
15299910426,69cyclictest0-21swapper23:43:390
15299910336,47cyclictest23494-21apt-get00:15:050
15299910324,61cyclictest0-21swapper21:32:150
15299910320,41cyclictest8260-21irqstats21:55:520
15299910318,64cyclictest2640-21apt-get21:40:000
15299910117,42cyclictest5071-21irqstats23:20:550
15299910114,64cyclictest5870-21aten_r5power_cu19:30:010
15299910110,67cyclictest7437-21ssh23:27:210
15299910020,59cyclictest20425-21fw_conntrack00:05:400
15299910017,63cyclictest28634-21apt-get00:29:580
15299910016,22cyclictest10643-21df_inode19:55:150
15299910012,49cyclictest25040-21ssh22:45:070
15299910012,25cyclictest12959-21apt-get22:10:080
1529999918,23cyclictest22882-21munin-run21:04:430
1529999916,67cyclictest31113-21users23:01:310
1529999916,22cyclictest21066-21munin-run20:54:420
1529999914,23cyclictest23559-21df22:40:220
1529999911,25cyclictest11007-21ssh23:37:590
152999989,70cyclictest18808-21ssh00:00:570
1529999819,63cyclictest0-21swapper23:13:360
1529999816,62cyclictest3163-21df23:15:250
1529999816,21cyclictest22291-21memory00:10:580
1529999815,63cyclictest11596-21df_inode22:05:360
1529999815,24cyclictest28321-21munin-run22:54:430
1529999813,64cyclictest4618-21df21:45:200
1529999812,48cyclictest568-21ssh23:07:340
1529999717,41cyclictest23279-21df21:05:280
1529999715,60cyclictest30260-21df_inode21:25:370
1529999644,35cyclictest8325-21df23:30:300
1529999618,19cyclictest17083-21irqstats23:55:520
1529999616,59cyclictest9974-21irqstats22:00:490
1529999615,58cyclictest13629-21irqstats23:45:510
1529999615,22cyclictest16949-21memory22:20:590
1529999613,66cyclictest24733-21apt-get21:10:090
1529999612,66cyclictest26097-21head00:21:240
1529999518,23cyclictest2582-21munin-node19:09:470
1529999516,22cyclictest28802-21df_inode22:55:360
1529999515,19cyclictest26815-21df_inode21:15:320
1529999514,22cyclictest6533-21irqstats21:50:540
1529999513,62cyclictest15160-21/usr/sbin/munin22:15:550
1529999513,22cyclictest27259-21df_inode00:25:330
1529999425,54cyclictest12693-21wc20:05:400
1529999419,58cyclictest0-21swapper22:32:140
1529999415,22cyclictest23048-21ssh22:39:040
1529999414,45cyclictest15348-21irqstats23:50:510
1529999411,25cyclictest19643-21ssh22:29:200
152999939,43cyclictest4702-21grep19:20:420
152999928,63cyclictest28636-21irqstats21:20:500
1529999213,21cyclictest2582-21munin-node19:09:480
152999919,45cyclictest7694-21basename19:40:010
152999919,42cyclictest19453-21cut20:45:050
1529999115,57cyclictest10319-21wc19:54:450
1529999110,63cyclictest16571-21munin-run20:29:410
1529999011,23cyclictest6772-21/usr/sbin/munin19:35:080
1529999011,22cyclictest11269-21/usr/sbin/munin20:00:220
1529999010,60cyclictest14205-21sed20:15:130
152999899,22cyclictest21859-21grep20:55:450
152999898,60cyclictest13943-21cat20:14:450
1529998914,25cyclictest17578-21/usr/sbin/munin20:35:300
1529998911,57cyclictest9302-21head19:45:470
1529998817,23cyclictest15088-21df20:20:090
1529998812,28cyclictest16672-21sshd20:29:570
1529998717,22cyclictest18751-21df_inode20:40:160
1529998514,54cyclictest0-21swapper19:15:470
1529998511,24cyclictest5252-21/usr/sbin/munin19:25:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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