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2026-07-05 - 19:09
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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 Jul 05, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30341224480,13sleep022498-1kworker/u3:106:58:590
316779910929,50cyclictest0-21swapper11:16:330
316779910218,45cyclictest319-21munin-run11:13:520
316779910132,20cyclictest30228-21sed09:30:350
316779910118,22cyclictest27767-21munin-run12:33:500
316779910112,68cyclictest20057-21grep12:10:300
316779910036,47cyclictest0-21swapper12:18:040
316779910018,44cyclictest28841-21ssh09:27:100
316779910015,64cyclictest17875-21df12:04:380
316779910014,66cyclictest12771-21irqstats10:14:580
316779910011,68cyclictest7035-21ssh09:58:460
31677999918,62cyclictest24161-21apt-get09:14:110
31677999917,41cyclictest26495-21irqstats10:54:580
31677999916,62cyclictest24660-21df_inode10:49:390
31677999915,24cyclictest24805-21df_inode12:24:430
31677999915,22cyclictest17801-21df_inode10:29:400
31677999913,65cyclictest23248-21kernelversion12:20:080
31677999912,24cyclictest23876-21ssh09:13:070
31677999911,50cyclictest15784-21ssh11:58:530
31677999816,22cyclictest4833-21users11:25:380
31677999816,22cyclictest16014-21df10:24:330
31677999815,23cyclictest32668-21munin-node07:08:550
31677999813,24cyclictest12854-21fw_packets11:49:530
31677999811,47cyclictest10042-21ssh10:06:410
31677999811,27cyclictest7170-21/usr/sbin/munin10:00:040
31677999810,69cyclictest10409-21ssh11:42:420
31677999736,21cyclictest10669-21sort08:08:510
31677999730,50cyclictest0-21swapper10:43:570
31677999716,59cyclictest7605-21df11:34:340
31677999715,44cyclictest26228-21df_inode09:19:430
31677999714,62cyclictest31980-21users09:35:410
31677999714,24cyclictest4179-21irqstats09:49:580
31677999714,23cyclictest2643-21irqstats11:19:590
31677999713,23cyclictest22302-21munin-run09:08:510
31677999711,26cyclictest22572-21grep10:43:550
31677999615,22cyclictest2564-21memory09:45:120
31677999613,23cyclictest11030-21irqstats10:09:580
31677999515,22cyclictest3897-21irqstats07:29:350
31677999514,62cyclictest30002-21ssh11:05:070
31677999513,64cyclictest14664-21grep10:20:180
31677999513,42cyclictest28143-21ssh10:59:500
31677999416,61cyclictest19190-21apt-get10:34:090
31677999416,57cyclictest9376-21memory07:59:390
31677999414,62cyclictest16273-21fw_conntrack11:59:470
31677999413,21cyclictest5612-21apt-get11:29:170
3167799939,65cyclictest5335-21wc07:38:520
31677999314,59cyclictest629-21df_inode09:39:400
31677999313,22cyclictest10787-21wget08:09:090
31677999310,63cyclictest11157-21/usr/sbin/munin11:44:540
31677999211,44cyclictest13271-21grep08:19:530
31677999210,45cyclictest5484-21grep07:39:130
31677999112,57cyclictest7604-21tr07:49:410
3167799909,62cyclictest6260-21apt-get07:44:070
3167799909,23cyclictest8867-21latency_hist07:58:490
31677999037,37cyclictest439-21ntp_offset07:09:040
31677999031,39cyclictest12473-21latency_hist08:18:490
31677999019,23cyclictest15488-21df08:34:200
31677999011,24cyclictest17492-21cat08:44:410
31677998919,23cyclictest3422-21users07:24:580
31677998914,53cyclictest16173-21/usr/sbin/munin08:39:540
31677998816,50cyclictest19771-21/usr/sbin/munin08:59:360
31677998711,27cyclictest13658-21cstates08:24:160
3167799868,57cyclictest2605-21cat07:23:520
31677998618,22cyclictest14634-21df_inode08:29:240
31677998617,24cyclictest19214-21irqstats08:54:340
31677998613,23cyclictest18721-21users08:49:560
31677998611,29cyclictest1492-21sort07:14:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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