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2026-09-08 - 09:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack9slot4.osadl.org (updated Tue Sep 08, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84131250216sleep0-21swapper/102:19:121
7941110771sleep0-21swapper/002:18:590
8666999924cyclictest16111-21tr04:25:070
866699988cyclictest0-21swapper/003:55:100
8666999828cyclictest1002-21sort07:05:110
8666999726cyclictest16639-21cut02:44:460
8666999719cyclictest5806-21latency_hist03:54:350
8666999621cyclictest0-21swapper/005:00:080
8666999526cyclictest465-21systemd-journal05:54:560
866699927cyclictest0-21swapper/004:31:280
8666999123cyclictest13521-21ntp_kernel_pll_07:45:120
8666999116cyclictest22321-21/usr/sbin/munin04:45:070
8666999115cyclictest1128-21latency_hist03:39:360
866699897cyclictest0-21swapper/004:40:160
8666998966cyclictest0-21swapper/002:35:030
8666998924cyclictest7027-21ntpq05:40:090
8666998919cyclictest11794-21latency_hist02:29:330
8666998919cyclictest11794-21latency_hist02:29:330
8666998918cyclictest9174-21latency_hist05:49:390
866699887cyclictest0-21swapper/007:35:090
866699887cyclictest0-21swapper/007:35:090
866699887cyclictest0-21swapper/002:43:210
8666998819cyclictest8929-21latency_hist04:04:360
8666998817cyclictest19347-21kernelversion06:20:100
8666998728cyclictest13700-21/usr/sbin/munin04:20:070
8666998723cyclictest12973-21ntp_kernel_pll_04:15:080
866699868cyclictest0-21swapper/007:15:110
866699867cyclictest0-21swapper/005:30:180
866699863cyclictest0-21swapper/002:59:340
8666998617cyclictest0-21swapper/006:12:550
866699858cyclictest0-21swapper/003:29:500
866699857cyclictest0-21swapper/006:04:060
866699857cyclictest0-21swapper/006:04:060
866699857cyclictest0-21swapper/004:59:240
8666998517cyclictest316-21runrttasks06:30:300
866699847cyclictest0-21swapper/003:49:230
866699837cyclictest0-21swapper/004:35:060
22950830irq/18-spi_topc867499cyclictest06:19:021
866699829cyclictest0-21swapper/003:24:350
866699828cyclictest0-21swapper/006:35:100
866699828cyclictest0-21swapper/004:10:160
8666998259cyclictest0-21swapper/005:04:550
8666998259cyclictest0-21swapper/005:04:550
8666998219cyclictest21045-21ntp_kernel_pll_06:25:100
8666998212cyclictest0-21swapper/003:05:030
8674998130cyclictest26146-21wc04:59:381
8666998118cyclictest1-21systemd02:52:510
8666998112cyclictest0-21swapper/004:06:230
867499805cyclictest26715-21sshd06:44:571
866699807cyclictest0-21swapper/007:14:420
866699807cyclictest0-21swapper/007:04:280
8666998013cyclictest27435-21timerandwakeup06:45:150
866699798cyclictest0-21swapper/006:05:090
8666997912cyclictest6320-21latency_hist07:24:410
867499784cyclictest5649-21timerandwakeup05:35:151
867499783cyclictest14640-21/usr/sbin/munin06:05:051
8666997863cyclictest0-21swapper/003:14:340
8666997817cyclictest30719-21latency_hist05:14:380
867499774cyclictest22117-21/usr/sbin/munin03:00:091
8674997730cyclictest1378-21crond05:24:381
867499773cyclictest32149-21sshd05:17:411
867499773cyclictest28438-21/usr/sbin/munin03:20:101
867499765cyclictest11277-21rt-features02:25:081
867499765cyclictest11277-21rt-features02:25:081
8674997635cyclictest12968-21ntpq04:15:081
866699768cyclictest0-21swapper/007:25:150
866699768cyclictest0-21swapper/005:51:360
866699767cyclictest0-21swapper/005:26:050
8666997664cyclictest24533-21latency_hist04:54:370
8666997662cyclictest0-21swapper/003:19:340
8666997615cyclictest0-21swapper/005:34:430
867499754cyclictest30809-21sshd06:56:571
867499754cyclictest13999-21/usr/sbin/munin02:34:561
867499754cyclictest10163-21users04:05:131
8674997532cyclictest28973-21wc03:24:351
867499753cyclictest1781-21/usr/sbin/munin03:39:581
8674997525cyclictest11923-21sed05:55:161
8674997516cyclictest17607-21unixbench_multi02:45:101
866699758cyclictest0-21swapper/003:25:150
866699757cyclictest0-21swapper/003:04:310
866699757cyclictest0-21swapper/002:20:080
867499744cyclictest297-21snmpd02:19:511
867499744cyclictest2309-21/usr/sbin/munin05:25:061
867499744cyclictest18761-21/usr/sbin/munin02:49:571
867499744cyclictest11004-21fschecks_time04:09:581
867499743cyclictest7927-21/usr/sbin/munin05:44:531
867499743cyclictest16461-21sshd04:25:541
867499734cyclictest32435-21sshd07:02:581
867499734cyclictest30670-21sshd05:13:551
867499734cyclictest22366-21/usr/sbin/munin06:30:031
867499734cyclictest20474-21df_inode06:24:561
867499734cyclictest15570-21/usr/sbin/munin06:09:511
867499733cyclictest9054-21/usr/sbin/munin07:30:181
867499733cyclictest292-21connmand07:35:151
867499733cyclictest292-21connmand07:35:151
867499733cyclictest28259-21/usr/sbin/munin05:05:001
867499733cyclictest28259-21/usr/sbin/munin05:05:001
867499733cyclictest23712-21/usr/sbin/munin04:50:021
867499733cyclictest23477-21/usr/sbin/munin03:05:011
867499733cyclictest13435-21/usr/sbin/munin07:45:091
867499733cyclictest13385-21latency_hist02:34:341
8674997326cyclictest10364-21sed05:50:151
866699734cyclictest0-21swapper/006:44:410
866699733cyclictest0-21swapper/006:19:400
8666997312cyclictest0-21swapper/002:34:330
867499724cyclictest6840-21irqstats05:40:041
867499724cyclictest6630-21/usr/sbin/munin07:24:551
867499724cyclictest4885-21/usr/sbin/munin03:49:581
867499724cyclictest32674-21/usr/sbin/munin07:04:511
867499724cyclictest19828-21/usr/sbin/munin02:54:471
867499724cyclictest14279-21/usr/sbin/munin04:20:001
867499723cyclictest7516-21/usr/sbin/munin03:59:461
867499723cyclictest684-21/usr/sbin/munin03:35:111
867499723cyclictest3736-21/usr/sbin/munin05:30:041
867499723cyclictest3594-21chrt07:14:551
867499723cyclictest25528-21/usr/sbin/munin06:40:041
867499723cyclictest24894-21/usr/sbin/munin04:54:561
867499723cyclictest24425-21unixbench_singl06:35:181
867499723cyclictest2050-21sshd07:09:581
867499723cyclictest19428-21/usr/sbin/munin06:20:121
867499719cyclictest0-21swapper/104:30:151
867499714cyclictest19766-21sshd04:38:531
867499713cyclictest22606-21unixbench_singl04:45:151
867499713cyclictest20773-21/usr/sbin/munin04:40:091
867499713cyclictest14984-21/usr/sbin/munin02:39:461
867499713cyclictest12476-21/usr/sbin/munin05:59:551
867499713cyclictest12476-21/usr/sbin/munin05:59:551
866699717cyclictest0-21swapper/006:50:550
8666997122cyclictest8407-21fschecks_time07:30:020
5350710irq/18-pch-dma0-21swapper/005:20:180
867499703cyclictest3052-21/usr/sbin/munin03:44:511
867499703cyclictest25297-21awk03:10:081
866699708cyclictest0-21swapper/007:40:270
867499695cyclictest5611-21latency07:20:111
867499694cyclictest6162-21df03:54:501
867499694cyclictest26163-21df_inode03:14:511
8666996930cyclictest30384-21/usr/sbin/munin06:55:100
867499684cyclictest12183-21unixbench_multi07:40:211
867499683cyclictest31148-21runrttasks03:29:571
867499683cyclictest28348-21cut06:50:011
8666996848cyclictest0-21swapper/005:14:570
8666996742cyclictest0-21swapper/003:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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