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2026-06-07 - 18:44
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Sun Jun 07, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8674224970,11sleep07809-1kworker/u3:207:00:460
96809917440,23cyclictest5168-21load09:21:250
96809917423,31cyclictest31491-21memory12:11:340
96809917212,48cyclictest4460-21ssh10:54:170
96809917116,131cyclictest22979-21/usr/sbin/munin11:46:360
96809916918,40cyclictest8205-21apt-get11:05:300
96809916917,25cyclictest6354-21apt-get09:25:320
96809916843,106cyclictest16352-21sh11:28:450
96809916814,129cyclictest27311-21fw_conntrack10:26:130
96809916639,22cyclictest24486-21forks11:51:110
96809916637,110cyclictest2101-21/usr/sbin/munin10:46:510
96809916617,39cyclictest32084-21apt-get10:40:300
96809916512,28cyclictest29263-21ssh12:05:310
96809916430,114cyclictest5557-21cat10:56:500
96809916415,40cyclictest10448-21memory11:11:330
96809916414,23cyclictest20065-21ssh10:05:210
96809916320,25cyclictest2934-21apt-get09:15:320
96809916319,40cyclictest6501-21apt-get11:00:310
96809916317,24cyclictest20831-21df_inode11:41:200
96809916317,21cyclictest9013-21users09:32:000
96809916316,39cyclictest27891-21df_inode12:01:060
96809916316,22cyclictest5373-21apt-get12:30:330
96809916236,107cyclictest17725-21sh09:57:360
96809916235,18cyclictest0-21swapper10:34:080
96809916217,117cyclictest25831-21apt-get11:55:320
96809916214,47cyclictest23516-21apt10:15:220
96809916140,101cyclictest26262-21sh10:22:260
96809916118,38cyclictest18493-21apt-get11:35:290
96809916117,40cyclictest11647-21apt-get11:15:320
96809916117,25cyclictest405-21users09:07:060
96809916117,23cyclictest3658-21apt-get12:25:300
96809916117,22cyclictest21786-21apt-get10:10:370
96809916113,29cyclictest1956-21/usr/sbin/munin12:21:470
96809916112,42cyclictest1175-21apt-get09:10:350
96809916110,127cyclictest17090-21ssh11:31:010
96809916038,100cyclictest9811-21ssh09:35:270
96809916020,24cyclictest17475-21apt-get07:45:270
96809916019,24cyclictest10714-21munin-node07:10:170
96809916018,24cyclictest11961-21irqstats09:41:210
96809916015,23cyclictest13357-21apt-get11:20:320
96809915938,101cyclictest22600-21switchtime08:11:150
96809915919,22cyclictest14932-21apt-get09:50:360
96809915917,117cyclictest487-21df12:15:570
96809915914,123cyclictest14821-21ssh09:50:140
96809915820,23cyclictest30820-21irqstats10:36:240
96809915819,37cyclictest16857-21df_inode07:40:470
96809915818,24cyclictest18369-21apt-get10:00:300
96809915728,112cyclictest13959-21cut07:25:330
96809915640,22cyclictest28963-21timerwakeupswit08:46:150
96809915637,22cyclictest12485-21latency07:15:580
96809915631,23cyclictest21321-21df_abs08:05:430
96809915612,29cyclictest15717-21grep07:35:320
96809915610,49cyclictest20057-21/usr/sbin/munin07:56:220
96809915532,19cyclictest23691-21debian-sa108:20:110
96809915522,27cyclictest30500-21memory08:56:000
96809915520,28cyclictest10901-21ntp_states07:10:320
96809915517,115cyclictest13193-21df07:20:380
96809915515,24cyclictest25579-21apt-get08:30:250
96809915513,22cyclictest19174-21munin-run07:55:120
96809915440,21cyclictest20456-21df_inode08:00:460
96809915417,24cyclictest23875-21wget08:20:330
96809915313,39cyclictest26489-21/usr/sbin/munin08:36:220
96809915313,24cyclictest30010-21latency_hist08:55:140
96809915235,23cyclictest28244-21latency_hist08:45:140
96809915218,22cyclictest30994-21apt-get09:00:260
96809915113,113cyclictest14960-21expr07:30:380
96809915110,25cyclictest28595-21snmpd08:26:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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