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2026-06-02 - 21:03
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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 all highest latencies:
System rack5slot7.osadl.org (updated Tue Jun 02, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24299224622193,98sleep00-21swapper07:03:290
245459910433,33cyclictest9510-21wc12:02:010
245459910212,30cyclictest22768-21/usr/sbin/munin09:31:510
245459910118,46cyclictest23303-21users11:07:130
245459910114,26cyclictest14351-21ssh10:41:500
245459910110,70cyclictest4070-21grep10:11:520
245459910017,48cyclictest14236-21ssh12:16:070
245459910017,23cyclictest10905-21fw_conntrack12:06:280
245459910016,44cyclictest21607-21users11:02:160
245459910016,23cyclictest6934-21apt-get10:20:530
245459910014,28cyclictest1699-21ssh10:05:310
245459910010,68cyclictest19509-21find09:22:040
24545999917,45cyclictest15772-21df10:46:090
24545999917,43cyclictest19650-21memory12:31:450
24545999916,62cyclictest10631-21df10:31:110
24545999915,25cyclictest17764-21memory10:51:500
24545999911,53cyclictest18040-21ssh12:27:020
24545999832,44cyclictest28909-21ssh09:50:240
24545999831,50cyclictest0-21swapper09:28:440
24545999817,20cyclictest24085-21apt-get11:10:470
24545999815,64cyclictest13445-21munin-run09:05:260
24545999815,44cyclictest15746-21irqstats09:11:400
24545999811,48cyclictest1748-21/usr/sbin/munin10:07:200
24545999717,60cyclictest23907-21apt-get09:35:470
24545999716,60cyclictest7454-21df_inode11:56:200
24545999716,42cyclictest17972-21users09:17:100
24545999715,36cyclictest2123-21ssh11:41:010
24545999715,22cyclictest14215-21ntp_states09:07:030
24545999714,24cyclictest27538-21/usr/sbin/munin11:22:080
24545999713,47cyclictest31730-21ssh09:57:170
24545999710,65cyclictest15693-21ssh12:20:340
2454599969,66cyclictest29987-21ssh09:52:120
24545999615,62cyclictest6163-21users10:17:180
24545999615,34cyclictest30954-21df_inode07:40:590
24545999615,19cyclictest29704-21irqstats11:26:380
24545999614,23cyclictest13509-21ssh10:39:380
24545999613,47cyclictest5446-21/usr/sbin/munin08:20:370
24545999613,21cyclictest25100-21/usr/sbin/munin07:06:200
24545999612,23cyclictest26271-21irqstats11:16:360
24545999520,42cyclictest0-21swapper10:56:150
24545999516,58cyclictest752-21memory11:36:430
24545999511,63cyclictest12499-21ssh12:11:050
24545999511,62cyclictest4851-21ssh11:48:240
24545999511,22cyclictest27074-21ssh09:44:450
24545999411,24cyclictest28595-21snmpd08:43:590
24545999410,24cyclictest31033-21wget11:30:560
24545999321,54cyclictest0-21swapper11:54:400
24545999314,58cyclictest29629-21users07:31:350
24545999312,62cyclictest8891-21expr10:26:040
24545999233,41cyclictest8860-21unixbench_singl08:36:310
24545999120,23cyclictest32329-21users07:46:320
24545999110,21cyclictest32527-21grep07:50:480
24545999017,52cyclictest27839-21users07:21:350
24545999013,57cyclictest7344-21wget08:30:500
24545999012,56cyclictest4731-21cstates08:15:490
24545999010,24cyclictest2482-21awk08:01:270
24545998916,24cyclictest10138-21df08:45:540
24545998911,60cyclictest2727-21/usr/sbin/munin08:05:490
24545998817,25cyclictest26392-21/usr/sbin/munin07:15:560
24545998816,54cyclictest0-21swapper09:00:280
24545998812,54cyclictest25954-21memory07:10:510
2454599879,27cyclictest11220-21grep08:51:140
24545998715,23cyclictest1188-21df_inode07:55:590
24545998713,59cyclictest28236-21df_inode07:25:590
24545998710,27cyclictest30263-21/usr/sbin/munin07:36:230
24545998617,23cyclictest6603-21df_inode08:25:590
24545998612,36cyclictest3881-21sed08:10:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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