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2025-12-23 - 06:12
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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 highest latencies:
System rackdslot0.osadl.org (updated Tue Dec 23, 2025 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19833992612,12cyclictest111rcu_preempt21:05:001
1983499210,20cyclictest870-21systemd-logind23:18:512
19833992119,1cyclictest250352chrt00:04:341
19833992118,2cyclictest3991-21H222:10:211
19834992017,2cyclictest3983-21H222:10:212
1983399203,16cyclictest0-21swapper/120:51:291
1983499192,16cyclictest0-21swapper/220:25:472
19834991917,1cyclictest0-21swapper/220:02:452
19834991914,3cyclictest0-21swapper/200:38:112
19834991913,5cyclictest870-21systemd-logind23:36:512
1983499190,18cyclictest3987-21H222:10:212
1983499190,16cyclictest3987-21H222:10:212
1983499190,16cyclictest3983-21H222:10:212
19833991917,1cyclictest21-21ksoftirqd/119:15:091
19833991916,2cyclictest6719-21mailstats00:25:211
1983399190,4cyclictest29302-21tr21:20:131
1983399190,16cyclictest3983-21H222:10:211
1983399190,16cyclictest3979-21H222:10:211
1983299193,1cyclictest826-21pluginstate23:20:210
1983299193,15cyclictest3989-21H222:10:210
19832991916,2cyclictest4099-21H222:10:210
1983299190,16cyclictest3981-21H222:10:210
1983499182,9cyclictest31526-21munin-run21:25:012
1983499182,15cyclictest7153-21ntp_offset23:30:192
1983499182,15cyclictest12473-21cat19:54:562
19834991816,1cyclictest0-21swapper/223:07:572
19834991814,3cyclictest3985-21H222:10:212
19834991814,3cyclictest3976-21H222:10:212
19834991814,3cyclictest1522-21lxd21:28:482
1983499181,16cyclictest3954-21VM22:10:212
1983499181,16cyclictest2872-21systemd-logind20:14:522
1983499180,2cyclictest4099-21H222:10:212
1983499180,2cyclictest3991-21H222:10:212
1983499180,2cyclictest3989-21H222:10:212
1983499180,2cyclictest3976-21H222:10:212
1983499180,2cyclictest26572-21nvmesmart_nvme022:10:192
1983499180,17cyclictest3983-21H222:10:212
1983499180,16cyclictest3983-21H222:10:212
1983499180,15cyclictest3987-21H222:10:212
1983499180,0cyclictest0-21swapper/222:00:102
1983499180,0cyclictest0-21swapper/222:00:102
1983399182,15cyclictest3981-21H222:10:211
1983399182,15cyclictest21-21ksoftirqd/120:04:231
19833991817,1cyclictest21-21ksoftirqd/123:26:301
19833991814,3cyclictest3989-21H222:10:211
19833991814,3cyclictest26501-21grep20:20:011
19833991814,3cyclictest26501-21grep20:20:011
19833991814,3cyclictest0-21swapper/122:51:231
1983399181,16cyclictest32659-21chrt22:21:191
1983399181,16cyclictest3055-21timerwakeupswit22:25:231
1983399181,16cyclictest20427-21chrt20:06:321
1983399181,16cyclictest0-21swapper/123:32:191
1983399180,3cyclictest13058-21cpuspeed_turbos19:55:161
1983399180,2cyclictest3989-21H222:10:211
1983399180,2cyclictest3981-21H222:10:211
1983399180,17cyclictest3989-21H222:10:211
1983399180,15cyclictest4035-21H222:10:211
1983299183,1cyclictest9-21ksoftirqd/022:53:150
1983299182,15cyclictest9-21ksoftirqd/000:34:030
19832991816,1cyclictest0-21swapper/020:45:180
19832991815,2cyclictest18381-21acpi20:05:120
19832991814,3cyclictest4035-21H222:10:210
19832991814,3cyclictest3987-21H222:10:210
19832991814,3cyclictest3985-21H222:10:210
19832991814,3cyclictest3421-21grep20:35:140
1983299180,2cyclictest3989-21H222:10:210
1983299180,16cyclictest4035-21H222:10:210
1983299180,15cyclictest4099-21H222:10:210
1983299180,15cyclictest4099-21H222:10:210
1983299180,15cyclictest3976-21H222:10:210
19834991715,1cyclictest0-21swapper/221:15:172
19834991714,2cyclictest4035-21H222:10:212
19834991714,2cyclictest3987-21H222:10:212
19834991714,2cyclictest3979-21H222:10:212
19834991714,2cyclictest3824-21cut00:20:202
19834991714,2cyclictest28474-21timerandwakeup20:20:222
19834991714,2cyclictest26325-21perf20:20:012
19834991714,2cyclictest26325-21perf20:20:012
19834991714,2cyclictest1856-21systemd-udevd00:18:512
19834991714,2cyclictest15381-21nfsd421:50:202
19834991714,2cyclictest0-21swapper/220:30:152
1983499171,1cyclictest21951-21nfsd421:05:172
1983499170,2cyclictest8678-21python320:45:022
1983499170,2cyclictest8678-21python320:45:012
1983499170,2cyclictest3991-21H222:10:212
1983499170,2cyclictest3985-21H222:10:212
1983499170,2cyclictest19308-21kernelversion20:05:182
1983499170,2cyclictest12564-21awk22:45:172
1983499170,2cyclictest12455-21missed_timers21:45:182
1983499170,1cyclictest0-21swapper/222:56:122
1983499170,16cyclictest9985-21nfsd421:40:162
1983499170,16cyclictest399-20systemd-journal23:20:012
1983499170,16cyclictest3991-21H222:10:212
1983499170,16cyclictest3989-21H222:10:212
1983499170,16cyclictest3981-21H222:10:212
1983499170,16cyclictest3979-21H222:10:212
1983499170,16cyclictest3976-21H222:10:212
1983499170,16cyclictest31050-21ls22:20:172
1983499170,16cyclictest25888-21/usr/sbin/munin00:05:132
1983499170,16cyclictest18811-21processes23:50:212
1983499170,16cyclictest15945-21lxd23:10:362
1983499170,16cyclictest10121-21hddtemp_smartct20:45:152
1983499170,16cyclictest0-21swapper/222:39:502
19833991714,2cyclictest8337-21smtpd20:42:021
19833991714,2cyclictest8337-21smtpd20:42:011
19833991714,2cyclictest7394-21expr22:35:121
19833991714,2cyclictest31844-21python320:30:011
19833991714,2cyclictest25796-21fschecks_count22:10:151
19833991714,2cyclictest18175-21cpuspeed_turbos22:55:151
19833991714,2cyclictest1127-21sshd22:06:101
1983399171,15cyclictest3987-21H222:10:211
1983399170,2cyclictest3991-21H222:10:211
1983399170,2cyclictest3985-21H222:10:211
1983399170,2cyclictest3983-21H222:10:211
1983399170,2cyclictest21701-21sed21:05:161
1983399170,16cyclictest5144-21timerandwakeup20:35:211
1983399170,16cyclictest455-21plymouthd23:36:101
1983399170,16cyclictest4099-21H222:10:211
1983399170,16cyclictest3991-21H222:10:211
1983399170,16cyclictest3989-21H222:10:211
1983399170,16cyclictest3985-21H222:10:211
1983399170,16cyclictest3985-21H222:10:211
1983399170,16cyclictest28781-21expr19:25:141
1983399170,16cyclictest22725-21sshd23:01:271
1983399170,16cyclictest2173-21sort00:20:141
1983399170,16cyclictest1523-21lxd22:18:341
1983399170,16cyclictest11728-21pzem_voltage19:50:211
1983399170,16cyclictest0-21swapper/123:07:261
1983399170,16cyclictest0-21swapper/120:55:211
1983399170,15cyclictest3987-21H222:10:211
19832991714,2cyclictest9858-21ntpq23:35:180
19832991714,2cyclictest4035-21H222:10:210
19832991714,2cyclictest3983-21H222:10:210
19832991714,2cyclictest3983-21H222:10:210
19832991714,2cyclictest3981-21H222:10:210
19832991714,2cyclictest3976-21H222:10:210
19832991714,2cyclictest29049-21ls20:25:010
19832991714,2cyclictest21445-21nvmesmart_nvme023:55:210
19832991714,2cyclictest19162-21nfsd422:55:190
19832991714,1cyclictest0-21swapper/021:15:140
19832991713,3cyclictest4099-21H222:10:210
1983299171,16cyclictest3987-21H222:10:210
1983299170,2cyclictest6465-21nfsd400:25:190
1983299170,2cyclictest5977-21seq21:35:130
1983299170,2cyclictest4099-21H222:10:210
1983299170,2cyclictest3987-21H222:10:210
1983299170,2cyclictest29777-21/usr/sbin/munin19:25:200
1983299170,2cyclictest15361-21nfsd421:50:200
1983299170,16cyclictest8221-21vmstat20:40:230
1983299170,16cyclictest8221-21vmstat20:40:230
1983299170,16cyclictest5138-21sed22:30:180
1983299170,16cyclictest4099-21H222:10:210
1983299170,16cyclictest3979-21H222:10:210
1983299170,16cyclictest3979-21H222:10:210
1983299170,16cyclictest30869-21nvmesmart_nvme020:25:180
1983299170,16cyclictest30841-21expr22:20:160
1983299170,16cyclictest28913-21apt-get00:10:120
1983299170,16cyclictest23822-21sed22:05:210
1983299170,16cyclictest2063-21sed22:25:180
1983299170,16cyclictest18203-21expr21:00:140
1983299170,16cyclictest1655-21expr19:35:150
1983299170,16cyclictest1526-21lxd21:12:480
1983499160,1cyclictest0-21swapper/223:40:222
1983499160,1cyclictest0-21swapper/221:10:142
1983499160,15cyclictest9760-21/usr/sbin/munin22:40:212
1983499160,15cyclictest3991-21H222:10:212
1983499160,15cyclictest0-21swapper/223:55:152
1983499160,15cyclictest0-21swapper/222:50:142
1983499160,15cyclictest0-21swapper/220:55:162
19833991614,1cyclictest0-21swapper/123:50:161
19833991614,1cyclictest0-21swapper/121:45:141
19833991614,1cyclictest0-21swapper/121:15:091
19833991614,1cyclictest0-21swapper/121:10:211
19833991614,1cyclictest0-21swapper/120:20:141
19833991614,1cyclictest0-21swapper/120:10:151
19833991613,2cyclictest4099-21H222:10:211
19833991613,2cyclictest4099-21H222:10:211
1983399161,1cyclictest0-21swapper/122:00:141
1983399161,1cyclictest0-21swapper/122:00:141
1983399160,1cyclictest0-21swapper/119:30:181
1983399160,15cyclictest5781-21egrep21:35:141
1983399160,15cyclictest26566-21expr19:20:191
1983399160,15cyclictest1085-21gdbus22:30:211
1983399160,15cyclictest0-21swapper/121:30:111
1983399160,0cyclictest0-21swapper/123:10:541
19832991614,1cyclictest3981-21H222:10:210
19832991614,1cyclictest3981-21H222:10:210
19832991614,1cyclictest32420-21dpkg20:30:020
19832991614,1cyclictest0-21swapper/022:45:180
19832991614,1cyclictest0-21swapper/021:40:150
19832991614,1cyclictest0-21swapper/019:50:140
19832991614,1cyclictest0-21swapper/019:30:220
19832991614,1cyclictest0-21swapper/019:10:150
19832991613,2cyclictest9-21ksoftirqd/022:00:200
19832991613,2cyclictest9-21ksoftirqd/022:00:200
19832991613,2cyclictest5458-21apt-config23:30:010
19832991613,2cyclictest4035-21H222:10:210
1983299160,1cyclictest0-21swapper/022:10:150
1983299160,1cyclictest0-21swapper/020:10:200
1983299160,15cyclictest27718-21smartctl23:10:200
1983299160,15cyclictest17321-21cpu23:50:140
1983299160,15cyclictest0-21swapper/023:40:150
1983299160,15cyclictest0-21swapper/023:15:240
1983299160,15cyclictest0-21swapper/020:50:160
1983399150,15cyclictest0-21swapper/121:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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