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2026-05-04 - 02:09
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun May 03, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1465224372197,89sleep00-21swapper07:04:300
17599916645,33cyclictest25630-21sh10:44:070
17599916516,22cyclictest31989-21ssh09:28:560
17599916413,62cyclictest2527-21apt-get11:12:150
17599916312,63cyclictest28035-21/usr/sbin/munin10:53:340
17599916221,27cyclictest5755-21df09:47:370
17599916115,21cyclictest20304-21users10:28:380
17599916014,56cyclictest7999-21df11:27:350
17599916013,49cyclictest5068-21ssh11:18:290
17599915912,39cyclictest23122-21tr09:02:120
1759991589,25cyclictest31891-21ssh11:02:510
17599915814,57cyclictest5485-21memory07:22:410
17599915814,42cyclictest20249-21fw_conntrack12:02:520
17599915810,63cyclictest6004-21sshd11:22:000
17599915615,39cyclictest26831-21memory10:48:070
17599915614,41cyclictest13204-21df11:42:340
17599915612,28cyclictest15906-21/usr/sbin/munin10:18:070
1759991559,26cyclictest6868-21sshd07:32:000
17599915313,42cyclictest4204-21irqstats09:42:590
17599910915,52cyclictest16943-21missed_timers11:53:140
17599910016,63cyclictest28516-21apt-get12:27:090
17599910016,43cyclictest14509-21df_inode10:12:430
17599910016,23cyclictest21852-21df12:07:340
17599910016,22cyclictest2029-21apt-get09:37:170
17599910015,47cyclictest28459-21users09:18:400
17599910010,27cyclictest10543-21ssh10:01:440
1759999916,22cyclictest24373-21df_inode09:07:460
1759999915,24cyclictest16180-21fw_conntrack08:22:320
1759999914,63cyclictest26830-21ssh12:22:160
1759999912,48cyclictest29923-21aten_r5power_vo10:57:250
1759999911,28cyclictest18181-21ssh10:23:100
1759999817,42cyclictest21480-21fw_conntrack10:32:500
1759999817,21cyclictest26206-21irqstats09:13:010
1759999816,23cyclictest26002-21users12:18:370
1759999815,46cyclictest24276-21sshd10:41:000
1759999815,21cyclictest11563-21df_inode11:37:460
1759999812,65cyclictest11118-21sort07:52:540
1759999812,23cyclictest4926-21grep07:17:550
1759999811,24cyclictest9943-21latency07:47:370
1759999716,62cyclictest7599-21fw_conntrack09:52:510
1759999715,63cyclictest18475-21munin-run08:36:510
1759999715,45cyclictest12866-21irqstats10:07:570
1759999714,46cyclictest1547-21ssh09:35:170
1759999713,48cyclictest769-21ssh11:07:040
1759999710,27cyclictest15325-21ssh11:48:240
1759999619,55cyclictest18580-21irqstats11:57:590
1759999614,22cyclictest23477-21ssh12:12:270
175999959,26cyclictest12340-21tr08:02:120
1759999516,58cyclictest9806-21df_inode11:32:420
1759999514,42cyclictest11693-21ssh10:03:500
1759999315,60cyclictest30628-21ssh12:32:510
1759999312,44cyclictest2257-21latency07:07:390
1759999218,34cyclictest17183-21memory08:27:390
1759999216,55cyclictest30514-21ssh09:25:100
1759999113,41cyclictest19120-21proc_pri08:37:490
1759999113,22cyclictest3256-21/usr/sbin/munin07:12:520
175999909,22cyclictest14512-21ntpq08:12:430
1759999012,28cyclictest13691-21ps08:07:480
1759998927,47cyclictest20831-21grep08:47:450
1759998918,23cyclictest22463-21df_inode08:57:260
1759998916,23cyclictest11652-21df_inode07:57:250
1759998820,49cyclictest0-21swapper08:42:110
1759998815,21cyclictest5970-21apt-get07:27:120
1759998719,47cyclictest8682-21apt-get07:42:090
1759998716,23cyclictest15396-21memory08:17:400
1759998629,37cyclictest22048-21vmstat08:53:000
1759998611,25cyclictest8366-21sendmail_mailqu07:37:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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