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2026-04-13 - 17:34
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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 highest latencies:
System rack7slot3.osadl.org (updated Mon Apr 13, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16503288221sleep16504-21mailstats07:02:180
1703699256228cyclictest23835-21ssh09:55:070
1703699256228cyclictest13129-21ls11:22:110
1703699256223cyclictest27655-21ssh10:10:030
1703699255227cyclictest30709-21df_inode12:32:200
1703699255225cyclictest29696-21ssh10:18:350
1703699252220cyclictest10439-21runrttasks11:10:240
1703699249219cyclictest4029-21sleep08:31:570
1703699247222cyclictest9481-21cpuspeed11:06:580
1703699247181cyclictest1374-21chrt08:19:540
1703699246219cyclictest26174-21df07:46:560
1703699246183cyclictest20203-21chrt07:19:010
1703699245221cyclictest25083-21latency_hist07:42:000
1703699245214cyclictest21712-21df_inode09:47:240
1703699245186cyclictest7565-21fschecks_time08:47:160
1703699244219cyclictest29087-21sendmail10:16:390
1703699244213cyclictest10112-21ntpq08:57:570
1703699244212cyclictest31228-21mailstats10:24:150
1703699244196cyclictest15690-21sort09:22:450
1703699244184cyclictest27436-21nfs4_client12:18:490
1703699243218cyclictest14639-21irqstats09:18:220
1703699243217cyclictest18073-21runrttasks07:11:110
1703699243214cyclictest18209-21ssh11:42:330
1703699243178cyclictest2953-21runrttasks10:58:310
1703699242213cyclictest19247-21cron07:16:360
1703699242211cyclictest14702-21sh11:28:100
1703699241216cyclictest26363-21ssh10:04:540
1703699241211cyclictest30577-21apt08:06:470
1703699241146cyclictest31136-21memory12:33:370
1703699240215cyclictest2726-21lxpanel09:14:350
1703699240215cyclictest12041-21df_inode09:07:420
1703699240208cyclictest2726-21lxpanel08:00:180
1703699239176cyclictest2458-21runrttasks08:24:110
1703699239176cyclictest17424-21chrt09:29:100
1703699239171cyclictest5445-21irqstats08:37:410
1703699238211cyclictest14390-21ssh11:27:190
1703699238209cyclictest18233-21ssh09:32:560
1703699238208cyclictest24110-21ssh12:05:270
1703699238205cyclictest21672-21grep07:26:580
1703699238196cyclictest4016-21ifplugd07:47:190
1703699238176cyclictest4492-21df10:47:030
1703699237208cyclictest5894-21df_inode10:52:360
1703699237208cyclictest22805-21/usr/sbin/munin09:52:020
1703699237207cyclictest24860-21ssh12:08:230
1703699237170cyclictest2953-21runrttasks11:15:580
1703699237170cyclictest2726-21lxpanel07:30:020
1703699236214cyclictest4999-21runrttasks08:36:340
1703699236211cyclictest7043-21sh10:57:060
1703699236211cyclictest2834-21snmpd12:25:400
1703699236211cyclictest11801-21diskmemload11:53:090
1703699236208cyclictest20057-21ssh09:40:120
1703699236204cyclictest8623-21awk08:52:100
1703699236172cyclictest19715-21ssh11:48:080
1703699236171cyclictest1097-21ssh10:33:470
1703699236170cyclictest31142-21chrt08:07:550
1703699235211cyclictest3214-21df10:42:050
1703699235208cyclictest26628-21ssh12:15:590
1703699235208cyclictest15722-21ssh11:32:400
1703699235207cyclictest368-21munin-run08:16:390
1703699234206cyclictest17853-21sh11:41:030
1703699234202cyclictest28494-21df_inode07:57:090
1703699234167cyclictest2726-21lxpanel08:42:210
1703699233208cyclictest32198-21latency10:28:250
1703699233167cyclictest22893-21sh12:00:480
1703699233166cyclictest23058-21irqstats07:32:360
1703699232166cyclictest25011-21ping09:59:200
1703699231170cyclictest2953-21runrttasks09:06:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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