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2026-06-11 - 23:23
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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 Thu Jun 11, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25705224482201,94sleep00-21swapper07:03:230
259179917319,130cyclictest29530-21memory11:21:180
259179917221,125cyclictest19052-21fw_conntrack10:51:030
259179917119,126cyclictest25539-21apt-get11:10:210
259179917018,126cyclictest8588-21apt-get11:55:190
259179916940,109cyclictest32702-21/usr/sbin/munin09:56:160
259179916918,125cyclictest3430-21apt-get11:40:200
259179916916,129cyclictest10627-21df08:40:270
259179916910,131cyclictest6900-21basename11:50:270
259179916815,128cyclictest27281-21apt-get11:15:160
259179916814,128cyclictest13549-21ssh10:35:200
259179916719,26cyclictest12734-21users10:31:500
259179916719,124cyclictest472-21apt-get07:45:170
259179916718,125cyclictest27025-21apt-get09:40:200
259179916717,124cyclictest16948-21apt-get10:45:170
259179916715,128cyclictest24354-21memory11:06:170
259179916615,127cyclictest23570-21apt-get09:30:190
259179916518,22cyclictest30713-21apt-get11:25:180
259179916517,25cyclictest14936-21apt-get09:05:200
259179916517,124cyclictest25304-21apt-get09:35:190
259179916516,126cyclictest1917-21irqstats10:01:080
259179916516,125cyclictest20532-21ssh09:21:040
259179916516,123cyclictest15590-21df_inode10:40:550
259179916515,125cyclictest29342-21apt-get07:25:150
259179916514,31cyclictest12030-21ssh12:05:160
259179916419,23cyclictest20605-21apt-get12:30:220
259179916418,121cyclictest18418-21apt-get09:15:270
259179916416,125cyclictest29689-21users09:46:510
259179916413,128cyclictest11257-21ssh12:01:520
259179916319,121cyclictest5665-21memory11:46:150
259179916317,22cyclictest3721-21memory10:06:230
259179916317,123cyclictest489-21memory11:31:190
259179916317,123cyclictest18285-21munin-run09:15:010
259179916316,122cyclictest7130-21/usr/sbin/munin10:16:140
259179916314,125cyclictest22215-21ssh11:00:320
259179916218,27cyclictest26815-21munin-run07:10:010
259179916217,120cyclictest10453-21fw_conntrack10:26:000
259179916214,25cyclictest20769-21/usr/sbin/munin10:55:570
259179916214,124cyclictest13726-21apt-get12:10:240
259179916118,24cyclictest14427-21memory09:00:510
259179916115,122cyclictest8432-21ssh10:20:310
259179916114,124cyclictest30240-21apt-get07:30:180
259179916111,124cyclictest4903-21apt-get10:10:280
259179916018,24cyclictest18887-21apt-get12:25:180
259179916017,25cyclictest21846-21apt-get09:25:250
259179916015,126cyclictest2362-21/usr/sbin/munin11:36:320
259179916014,20cyclictest28595-21snmpd08:35:260
259179916014,123cyclictest15465-21apt-get12:15:160
259179916012,125cyclictest3123-21sort08:00:020
259179915919,24cyclictest30992-21memory09:51:180
259179915918,22cyclictest17454-21df12:20:450
259179915813,122cyclictest7706-21apt-get08:25:180
259179915724,110cyclictest0-21swapper08:30:220
259179915711,122cyclictest11588-21entropy08:45:370
259179915615,24cyclictest2197-21munin-run07:55:010
259179915516,24cyclictest12207-21apt-get08:50:120
259179915516,116cyclictest32052-21apt-get07:40:170
259179915429,19cyclictest4471-21grep08:05:460
259179915419,24cyclictest26958-21munin-node07:10:070
259179915418,21cyclictest31153-21apt-get07:35:170
259179915417,113cyclictest5340-21/usr/sbin/munin08:10:440
259179915317,114cyclictest6224-21if_err_eth008:15:420
259179915314,23cyclictest3997-21sh08:04:590
259179915313,24cyclictest7282-21tr08:20:550
259179915313,119cyclictest28452-21apt-get07:20:140
259179915217,23cyclictest13121-21apt-get08:55:180
259179915212,119cyclictest27550-21/usr/sbin/munin07:15:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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