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2025-12-31 - 04:33
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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 100 highest latencies:
System rackdslot0.osadl.org (updated Wed Dec 31, 2025 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1220099230,22cyclictest843-21systemd-network22:15:322
1219999220,21cyclictest843-21systemd-network20:31:221
1219899223,10cyclictest0-21swapper/020:15:190
1220099210,7cyclictest843-21systemd-network20:36:312
1219999210,18cyclictest0-21swapper/120:15:031
12200992017,2cyclictest0-21swapper/223:43:342
1220099200,19cyclictest22038-21cpuspeed_turbos20:25:132
1220099200,18cyclictest0-21swapper/220:30:192
12199992016,3cyclictest0-21swapper/119:58:291
12199992014,5cyclictest0-21swapper/122:58:011
1219899202,17cyclictest0-21swapper/020:52:020
1220099193,15cyclictest29609-21latency_hist22:35:012
12200991913,5cyclictest843-21systemd-network23:12:172
1220099191,17cyclictest0-21swapper/221:26:482
1219999192,2cyclictest32409-21chrt00:30:481
1219999192,1cyclictest0-21swapper/119:17:291
12199991917,1cyclictest0-21swapper/120:10:131
12199991916,2cyclictest15660-21if_eno123:05:181
12199991915,3cyclictest0-21swapper/100:26:431
12198991917,1cyclictest0-21swapper/023:55:150
1220099183,1cyclictest0-21swapper/219:35:102
1220099182,15cyclictest0-21swapper/220:08:152
12200991816,1cyclictest0-21swapper/223:55:282
12200991815,2cyclictest0-21swapper/220:10:202
12200991814,3cyclictest0-21swapper/223:08:112
1220099181,2cyclictest11319-21chrt21:03:132
1220099181,1cyclictest0-21swapper/221:05:232
1220099180,2cyclictest399-20systemd-journal00:09:212
1220099180,1cyclictest0-21swapper/200:04:592
1220099180,17cyclictest843-21systemd-network22:51:392
1220099180,17cyclictest17952-21smtpd19:20:112
12199991815,1cyclictest0-21swapper/120:30:001
12199991814,3cyclictest0-21swapper/119:23:211
12199991814,1cyclictest0-21swapper/122:30:191
1219999181,3cyclictest0-21swapper/123:20:171
1219999180,2cyclictest3991-21H222:10:211
1219999180,1cyclictest0-21swapper/100:05:141
12198991815,2cyclictest17939-21sendmail_mailst22:10:250
1219899180,3cyclictest843-21systemd-network21:46:400
1219899180,2cyclictest3987-21H222:10:210
1219899180,17cyclictest3985-21H222:10:210
1219899180,16cyclictest0-21swapper/000:05:190
12200991715,1cyclictest15227-21/usr/sbin/munin21:10:202
12200991715,1cyclictest0-21swapper/220:55:202
12200991714,2cyclictest6544-21proc_pri23:45:202
12200991714,2cyclictest26911-21idleruntime21:30:182
12200991714,2cyclictest18795-21latency_hist20:20:022
12200991714,2cyclictest10667-21munin-plugin-st22:00:002
12200991714,2cyclictest0-21swapper/221:25:002
12200991713,3cyclictest7789-21postgres23:50:102
12200991713,3cyclictest3991-21H222:10:212
1220099170,2cyclictest740-21ntp_kernel_pll_19:45:212
1220099170,2cyclictest740-21ntp_kernel_pll_19:45:202
1220099170,2cyclictest4715-21sed22:45:182
1220099170,2cyclictest4243-21cat19:50:222
1220099170,2cyclictest23604-21expr19:30:142
1220099170,2cyclictest2257-21ntpq00:35:192
1220099170,2cyclictest22450-21cpuspeed_turbos00:15:152
1220099170,2cyclictest0-21swapper/200:25:152
1220099170,16cyclictest9390-21ntp_kernel_err20:00:182
1220099170,16cyclictest4891-21nfsd420:50:202
1220099170,16cyclictest455-21plymouthd20:50:012
1220099170,16cyclictest4092-21pzem_power21:45:232
1220099170,16cyclictest31971-21taskset22:35:232
1220099170,16cyclictest30138-21proc_pri23:30:212
1220099170,16cyclictest26662-21which23:25:152
1220099170,16cyclictest21001-21cstates23:15:132
1220099170,16cyclictest17628-21date19:20:002
1220099170,16cyclictest1486-21snapd21:19:502
1220099170,16cyclictest12051-21awk22:00:202
1220099170,16cyclictest12051-21awk22:00:192
1220099170,16cyclictest10151-21lxd00:34:332
1219999172,1cyclictest21-21ksoftirqd/122:08:411
12199991714,2cyclictest9191-21needreboot21:55:191
12199991714,2cyclictest7545-21cut23:50:001
12199991714,2cyclictest3803-21pzem_current23:40:191
12199991714,2cyclictest3699-21nfsd421:45:201
12199991714,2cyclictest29868-21cat21:35:181
12199991714,2cyclictest27662-21switchtime23:25:211
12199991714,2cyclictest26368-21grep19:35:131
12199991714,2cyclictest26220-21grep00:20:191
12199991714,2cyclictest24845-21cat22:25:151
12199991714,2cyclictest24741-21nfsd421:25:191
12199991714,2cyclictest1516-21lxd20:02:491
12199991714,2cyclictest14888-21ntp_kernel_err00:00:191
12199991714,2cyclictest12227-21proc_pri22:00:201
12199991714,2cyclictest12227-21proc_pri22:00:201
12199991713,3cyclictest0-21swapper/100:37:081
1219999171,1cyclictest22904-21fschecks_time00:15:161
1219999171,15cyclictest143482sleep123:03:411
1219999170,2cyclictest3983-21H222:10:211
1219999170,2cyclictest21866-21ntp_offset23:15:191
1219999170,2cyclictest1955-21nfsd422:40:191
1219999170,2cyclictest1478-21snapd21:00:091
1219999170,16cyclictest7792-21ntp_kernel_err22:50:191
1219999170,16cyclictest455-21plymouthd22:45:191
1219999170,16cyclictest3991-21H222:10:211
1219999170,16cyclictest21086-21anvil22:15:571
1219999170,16cyclictest20291-21latency00:10:181
1219999170,16cyclictest1477-21snapd19:40:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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