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2026-06-02 - 00:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 376 highest latencies:
System rackdslot0.osadl.org (updated Mon Jun 01, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19007992928,0cyclictest0-21swapper/111:31:221
1900799235,16cyclictest2857-21in:imuxsock08:25:001
1900799230,5cyclictest0-21swapper/107:48:101
19007992219,2cyclictest2069-21systemd-udevd10:36:521
1900299212,17cyclictest0-21swapper/010:40:010
19011992012,7cyclictest26069-21cut11:10:132
1901199200,19cyclictest843-21systemd-network08:00:392
19007992016,3cyclictest0-21swapper/111:52:531
19002992018,1cyclictest9-21ksoftirqd/007:32:230
1901199193,2cyclictest3979-21H222:10:212
19011991914,2cyclictest3987-21H222:10:212
1901199190,4cyclictest843-21systemd-network09:25:392
1901199190,16cyclictest3985-21H222:10:212
1900799191,3cyclictest863-21avahi-daemon09:05:211
1900799190,2cyclictest3991-21H222:10:211
1900799190,18cyclictest4035-21H222:10:211
1900799190,18cyclictest0-21swapper/110:32:041
1900799190,16cyclictest4035-21H222:10:211
1900799190,16cyclictest3985-21H222:10:211
1900799190,16cyclictest3985-21H222:10:211
1900299193,15cyclictest3989-21H222:10:210
19002991916,2cyclictest3269-21cpuspeed_turbos10:30:130
1900299190,17cyclictest3991-21H222:10:210
1900299190,16cyclictest4035-21H222:10:210
1900299190,16cyclictest3985-21H222:10:210
1900299190,16cyclictest3981-21H222:10:210
1900299190,16cyclictest3981-21H222:10:210
1900299190,16cyclictest3976-21H222:10:210
1901199183,1cyclictest0-21swapper/209:56:172
1901199182,15cyclictest28-21ksoftirqd/212:00:092
1901199182,15cyclictest0-21swapper/209:07:032
19011991816,1cyclictest28-21ksoftirqd/210:57:262
19011991816,1cyclictest28-21ksoftirqd/210:57:262
19011991816,1cyclictest28-21ksoftirqd/210:41:402
19011991816,1cyclictest0-21swapper/212:05:152
19011991815,2cyclictest3976-21H222:10:212
19011991815,2cyclictest1516-21lxd10:14:432
19011991814,3cyclictest3989-21H222:10:212
19011991814,3cyclictest3981-21H222:10:212
1901199181,2cyclictest12412-21perf09:50:012
1901199181,16cyclictest22970-21tr09:10:132
1901199181,16cyclictest2123-21latency12:20:182
1901199180,3cyclictest3985-21H222:10:212
1901199180,2cyclictest4099-21H222:10:212
1901199180,17cyclictest4099-21H222:10:212
1901199180,17cyclictest399-20systemd-journal10:50:002
1901199180,17cyclictest3981-21H222:10:212
1901199180,17cyclictest3976-21H222:10:212
1901199180,16cyclictest3976-21H222:10:212
1901199180,16cyclictest0-21swapper/210:04:432
1901199180,15cyclictest4099-21H222:10:212
1901199180,15cyclictest4099-21H222:10:212
1901199180,15cyclictest3987-21H222:10:212
1900799182,15cyclictest897-21timerwakeupswit11:20:231
1900799182,15cyclictest21-21ksoftirqd/112:01:061
1900799182,15cyclictest136902chrt08:51:171
19007991816,1cyclictest0-21swapper/112:39:121
19007991815,2cyclictest21350-21processes11:00:201
19007991814,3cyclictest3987-21H222:10:211
19007991814,2cyclictest3981-21H222:10:211
19007991813,4cyclictest3074-21iscsid12:15:111
1900799180,2cyclictest4099-21H222:10:211
1900799180,2cyclictest4035-21H222:10:211
1900799180,2cyclictest3985-21H222:10:211
1900799180,2cyclictest3985-21H222:10:211
1900799180,2cyclictest3979-21H222:10:211
1900799180,2cyclictest3256-21apache209:45:361
1900799180,17cyclictest4035-21H222:10:211
1900799180,17cyclictest3989-21H222:10:211
1900799180,17cyclictest3979-21H222:10:211
1900799180,16cyclictest3987-21H222:10:211
19002991814,3cyclictest863-21avahi-daemon11:05:210
19002991814,3cyclictest3976-21H222:10:210
1900299181,2cyclictest26787-21cpuspeed_turbos10:15:120
1900299180,3cyclictest3989-21H222:10:210
1900299180,2cyclictest4099-21H222:10:210
1900299180,2cyclictest3987-21H222:10:210
1900299180,17cyclictest4035-21H222:10:210
1900299180,17cyclictest4035-21H222:10:210
1900299180,17cyclictest3987-21H222:10:210
1900299180,17cyclictest3987-21H222:10:210
1900299180,17cyclictest3985-21H222:10:210
1900299180,17cyclictest3976-21H222:10:210
1900299180,17cyclictest24515-21cut10:10:120
1900299180,16cyclictest32138-21munin-run10:25:010
1900299180,15cyclictest3985-21H222:10:210
1900299180,15cyclictest3976-21H222:10:210
1900299180,15cyclictest3976-21H222:10:210
19011991715,1cyclictest0-21swapper/211:25:152
19011991715,1cyclictest0-21swapper/207:53:052
19011991714,2cyclictest3976-21H222:10:212
19011991714,2cyclictest30958-21cat10:20:212
19011991714,2cyclictest18267-21cut11:50:192
19011991714,2cyclictest13333-21if_err_lxdbr007:55:162
19011991713,3cyclictest3985-21H222:10:212
1901199170,2cyclictest7873-21latency12:30:162
1901199170,2cyclictest4035-21H222:10:212
1901199170,2cyclictest3989-21H222:10:212
1901199170,2cyclictest3985-21H222:10:212
1901199170,2cyclictest3983-21H222:10:212
1901199170,2cyclictest28610-21expr09:20:132
1901199170,1cyclictest3981-21H222:10:212
1901199170,16cyclictest6799-21sort09:39:012
1901199170,16cyclictest6343-21sshd12:28:272
1901199170,16cyclictest4099-21H222:10:212
1901199170,16cyclictest3991-21H222:10:212
1901199170,16cyclictest3991-21H222:10:212
1901199170,16cyclictest3985-21H222:10:212
1901199170,16cyclictest3985-21H222:10:212
1901199170,16cyclictest3979-21H222:10:212
1901199170,16cyclictest3976-21H222:10:212
1901199170,16cyclictest29295-21fschecks_count11:15:142
1901199170,16cyclictest23958-21irqstats11:05:172
1901199170,16cyclictest2149-21sed09:30:142
1901199170,16cyclictest12890-21nfsd408:50:172
1901199170,16cyclictest0-21swapper/210:05:122
1901199170,15cyclictest3987-21H222:10:212
1901199170,15cyclictest3983-21H222:10:212
19007991715,1cyclictest240492chrt07:16:261
19007991715,1cyclictest21-21ksoftirqd/110:16:211
19007991714,2cyclictest7648-21/usr/sbin/munin11:35:131
19007991714,2cyclictest3985-21H222:10:211
19007991714,2cyclictest3983-21H222:10:211
19007991714,2cyclictest3981-21H222:10:211
19007991714,2cyclictest26949-21sed11:10:171
19007991714,2cyclictest14504-21snapd08:43:181
19007991713,3cyclictest3989-21H222:10:211
19007991713,3cyclictest3987-21H222:10:211
1900799171,15cyclictest33482sleep112:22:291
1900799170,2cyclictest4340-21expr07:40:141
1900799170,2cyclictest4035-21H222:10:211
1900799170,2cyclictest4035-21H222:10:211
1900799170,2cyclictest3989-21H222:10:211
1900799170,2cyclictest3987-21H222:10:211
1900799170,2cyclictest3979-21H222:10:211
1900799170,2cyclictest23508-21expr11:05:131
1900799170,16cyclictest5057-21timerandwakeup08:35:221
1900799170,16cyclictest3989-21H222:10:211
1900799170,16cyclictest3987-21H222:10:211
1900799170,16cyclictest3987-21H222:10:211
1900799170,16cyclictest3985-21H222:10:211
1900799170,16cyclictest3981-21H222:10:211
1900799170,16cyclictest3981-21H222:10:211
1900799170,16cyclictest31712-21sed09:25:161
1900799170,16cyclictest31027-21/usr/sbin/munin10:20:211
1900799170,16cyclictest29667-21switchtime12:10:201
1900799170,16cyclictest19519-21awk10:00:171
1900799170,15cyclictest3991-21H222:10:211
19002991714,2cyclictest843-21systemd-network07:45:120
19002991714,2cyclictest4035-21H222:10:210
19002991714,2cyclictest3987-21H222:10:210
19002991714,2cyclictest3985-21H222:10:210
19002991714,2cyclictest3979-21H222:10:210
19002991714,2cyclictest3976-21H222:10:210
19002991714,2cyclictest3976-21H222:10:210
19002991714,2cyclictest3976-21H222:10:210
19002991714,2cyclictest26078-21grep11:10:130
19002991714,2cyclictest21128-21wc07:10:220
19002991714,2cyclictest20074-21sed10:00:210
19002991714,2cyclictest18732-21mailstats09:00:210
19002991714,2cyclictest16521-21sshd10:53:050
19002991714,2cyclictest12006-21cupsd12:30:050
19002991713,3cyclictest3985-21H222:10:210
19002991713,3cyclictest3983-21H222:10:210
1900299170,2cyclictest3983-21H222:10:210
1900299170,2cyclictest31082-21cpuspeed_turbos09:25:150
1900299170,2cyclictest13769-21sshd10:47:550
1900299170,16cyclictest7088-21anvil11:36:160
1900299170,16cyclictest482-21expr08:30:140
1900299170,16cyclictest4455-21apt-get11:31:310
1900299170,16cyclictest4099-21H222:10:210
1900299170,16cyclictest3989-21H222:10:210
1900299170,16cyclictest3987-21H222:10:210
1900299170,16cyclictest3981-21H222:10:210
1900299170,16cyclictest18164-21cut11:50:170
1900299170,16cyclictest14505-21snapd07:50:280
1900299170,16cyclictest1415-21nfsd410:25:180
1900299170,16cyclictest11962-21expr08:50:130
1900299170,15cyclictest3991-21H222:10:210
19011991614,1cyclictest0-21swapper/208:30:162
19011991614,1cyclictest0-21swapper/208:12:262
19011991613,2cyclictest3983-21H222:10:212
19011991613,2cyclictest31389-21tr12:15:142
1901199160,15cyclictest19281-21acpi07:10:122
1901199160,15cyclictest0-21swapper/208:05:202
19007991614,1cyclictest0-21swapper/110:53:041
19007991614,1cyclictest0-21swapper/109:15:111
19007991614,1cyclictest0-21swapper/109:00:141
19007991613,2cyclictest455-21plymouthd10:40:121
19007991613,2cyclictest3991-21H222:10:211
19002991615,1cyclictest9-21ksoftirqd/007:57:360
19002991614,1cyclictest0-21swapper/012:35:140
19002991614,1cyclictest0-21swapper/008:20:140
19002991613,2cyclictest7911-21expr09:40:120
19002991612,3cyclictest0-21swapper/012:20:140
1900299160,15cyclictest0-21swapper/011:25:170
1900299160,15cyclictest0-21swapper/008:05:240
1900299160,15cyclictest0-21swapper/007:40:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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