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2026-08-05 - 00:28
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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 Tue Aug 04, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14292224212172,196sleep00-21swapper06:59:290
146429910836,31cyclictest29091-21fw_conntrack10:13:210
146429910831,37cyclictest24400-21unixbench_singl09:59:010
146429910734,49cyclictest1434-21apt-get10:27:430
146429910632,52cyclictest2631-21ssh12:03:590
146429910533,50cyclictest17165-21ssh11:12:570
146429910531,50cyclictest32556-21apt-get11:57:380
146429910530,35cyclictest4495-21users12:09:040
146429910441,44cyclictest11983-21ntp_kernel_pll_09:23:450
146429910430,35cyclictest7026-21ssh12:17:310
146429910430,35cyclictest2496-21munin-run08:52:210
146429910341,38cyclictest13646-21memory09:28:380
146429910332,33cyclictest9589-21ssh09:17:280
146429910330,50cyclictest27739-21munin-run08:12:210
146429910328,50cyclictest29100-21apt-get11:47:410
146429910328,50cyclictest27365-21apt-get11:42:370
146429910328,49cyclictest15801-21users09:34:090
146429910327,52cyclictest9992-21wc10:52:250
146429910327,33cyclictest20463-21apt-get11:22:390
146429910318,47cyclictest32531-21fw_conntrack10:23:210
146429910240,47cyclictest18847-21ssh11:17:540
146429910232,47cyclictest3182-21apt-get10:32:420
146429910230,49cyclictest25646-21apt-get11:37:390
146429910230,47cyclictest25236-21apt-get10:02:390
146429910230,32cyclictest26967-21apt-get10:07:430
146429910229,50cyclictest8750-21apt-get12:22:410
146429910229,50cyclictest4911-21apt-get10:37:370
146429910227,51cyclictest5305-21/usr/sbin/munin12:13:520
146429910226,34cyclictest9667-21apt-get09:17:420
146429910219,20cyclictest10096-21apt-get10:52:410
146429910213,64cyclictest31607-21ssh10:20:150
146429910134,49cyclictest0-21swapper09:11:480
146429910132,32cyclictest18696-21fw_conntrack09:43:200
146429910131,49cyclictest13799-21df11:03:020
146429910128,50cyclictest16935-21munin-run07:12:210
146429910127,51cyclictest4824-21awk09:03:210
146429910127,32cyclictest21789-21/usr/sbin/munin09:53:560
146429910126,53cyclictest28749-21/usr/sbin/munin08:17:460
146429910115,63cyclictest20047-21apt-get09:47:490
146429910033,45cyclictest28653-21munin-run08:17:230
146429910032,48cyclictest22569-21fw_conntrack11:28:210
146429910030,32cyclictest11843-21ssh12:31:160
146429910016,61cyclictest20649-21apt07:32:330
14642999930,48cyclictest30832-21apt-get11:52:430
14642999929,50cyclictest15268-21apt-get11:07:400
14642999927,50cyclictest18061-21cut07:17:460
14642999927,32cyclictest24470-21ssh11:33:430
14642999927,31cyclictest16592-21apt09:37:310
14642999926,36cyclictest17637-21wc07:13:210
14642999838,34cyclictest30540-21apt-get08:27:360
14642999828,49cyclictest12895-21ssh10:59:460
14642999825,50cyclictest8234-21munin-run10:47:200
14642999751,31cyclictest32299-21latency_hist08:37:240
14642999711,62cyclictest30435-21latency_hist08:27:200
14642999627,48cyclictest15540-21munin-run07:07:220
14642999625,47cyclictest24277-21grep07:52:420
14642999611,62cyclictest1099-21if_eth008:43:030
14642999546,30cyclictest3234-21switchtime08:53:230
14642999534,36cyclictest18837-21apt-get07:22:360
14642999524,47cyclictest19955-21df_abs07:27:520
14642999520,51cyclictest21630-21wget07:37:450
14642999441,28cyclictest3511-21apt-get08:57:380
14642999336,34cyclictest23335-21apt-get07:47:380
14642999336,33cyclictest25147-21apt-get07:57:350
14642999121,31cyclictest26747-21unixbench_singl08:03:260
14642999037,32cyclictest22436-21apt-get07:42:350
14642999018,32cyclictest676-21sshd08:42:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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