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2026-07-05 - 07:38
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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 Sun Jul 05, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1706199246,2cyclictest3991-21H222:10:212
1706199231,17cyclictest28-21ksoftirqd/221:40:132
1705799230,22cyclictest843-21systemd-network20:33:261
17052992322,0cyclictest0-21swapper/021:10:170
1705299220,21cyclictest0-21swapper/019:19:490
17061992118,2cyclictest3987-21H222:10:212
1706199210,3cyclictest0-21swapper/200:30:152
1706199210,1cyclictest0-21swapper/200:14:542
1705299210,5cyclictest0-21swapper/023:20:120
1706199204,2cyclictest3991-21H222:10:212
17061992018,1cyclictest0-21swapper/200:15:282
17052992017,2cyclictest4035-21H222:10:210
1705299201,4cyclictest17353-21uname22:00:170
17061991919,0cyclictest0-21swapper/221:10:172
17061991918,0cyclictest0-21swapper/223:31:002
17061991916,2cyclictest26973-21open_files19:25:192
1706199190,2cyclictest4035-21H222:10:212
1706199190,2cyclictest3981-21H222:10:212
1706199190,2cyclictest3976-21H222:10:212
1706199190,2cyclictest3976-21H222:10:212
1706199190,16cyclictest4035-21H222:10:212
1706199190,16cyclictest3989-21H222:10:212
1706199190,16cyclictest3985-21H222:10:212
1706199190,16cyclictest3985-21H222:10:212
1706199190,16cyclictest3981-21H222:10:212
1706199190,16cyclictest3979-21H222:10:212
1706199190,16cyclictest3979-21H222:10:212
1706199190,16cyclictest3976-21H222:10:212
17057991917,1cyclictest21-21ksoftirqd/100:30:081
17057991914,4cyclictest25913-21cstates00:10:131
1705799190,2cyclictest4035-21H222:10:211
1705799190,2cyclictest3979-21H222:10:211
1705799190,18cyclictest0-21swapper/120:50:141
1705799190,16cyclictest3989-21H222:10:211
1705799190,16cyclictest3985-21H222:10:211
1705299193,2cyclictest29815-21cron22:25:010
1705299192,2cyclictest3981-21H222:10:210
1705299192,16cyclictest2704-21chrt20:36:330
17052991917,1cyclictest9-21ksoftirqd/000:20:400
17052991917,1cyclictest0-21swapper/023:19:430
17052991914,1cyclictest0-21swapper/022:40:130
17052991914,1cyclictest0-21swapper/022:40:130
1705299190,2cyclictest3987-21H222:10:210
1705299190,1cyclictest0-21swapper/020:35:010
1705299190,18cyclictest0-21swapper/022:34:580
1705299190,16cyclictest3991-21H222:10:210
1706199182,15cyclictest8059-21awk00:35:162
17061991818,0cyclictest0-21swapper/219:53:312
17061991816,1cyclictest28-21ksoftirqd/219:36:282
17061991816,1cyclictest28-21ksoftirqd/200:04:502
17061991816,1cyclictest0-21swapper/219:30:172
17061991815,2cyclictest3989-21H222:10:212
17061991815,2cyclictest3989-21H222:10:212
17061991815,2cyclictest1100-21snmpd23:44:552
17061991814,3cyclictest455-21plymouthd22:10:162
17061991814,3cyclictest4099-21H222:10:212
1706199181,2cyclictest2007-21systemd-journal20:21:052
1706199180,2cyclictest3987-21H222:10:212
1706199180,2cyclictest3976-21H222:10:212
1706199180,17cyclictest3987-21H222:10:212
1706199180,17cyclictest28-21ksoftirqd/223:57:422
17057991816,1cyclictest21-21ksoftirqd/120:42:051
17057991816,1cyclictest21-21ksoftirqd/100:00:101
17057991816,1cyclictest0-21swapper/122:07:541
17057991816,1cyclictest0-21swapper/121:48:311
17057991815,2cyclictest14886-21nfsd421:55:181
17057991814,3cyclictest3989-21H222:10:211
17057991814,3cyclictest3981-21H222:10:211
17057991814,3cyclictest3981-21H222:10:211
17057991814,3cyclictest3979-21H222:10:211
17057991813,3cyclictest10669-21nfsd422:45:171
1705799181,2cyclictest3979-21H222:10:211
1705799180,2cyclictest4099-21H222:10:211
1705799180,2cyclictest3991-21H222:10:211
1705799180,2cyclictest3989-21H222:10:211
1705799180,2cyclictest3979-21H222:10:211
1705799180,17cyclictest3983-21H222:10:211
1705799180,17cyclictest3979-21H222:10:211
1705799180,17cyclictest3829-21cpuspeed_turbos22:35:131
1705799180,17cyclictest0-21swapper/123:00:181
1705799180,16cyclictest3991-21H222:10:211
1705799180,15cyclictest3979-21H222:10:211
1705299182,15cyclictest9-21ksoftirqd/023:39:030
17052991816,1cyclictest9-21ksoftirqd/022:37:480
17052991816,1cyclictest9-21ksoftirqd/020:43:240
17052991814,3cyclictest4099-21H222:10:210
17052991814,3cyclictest3987-21H222:10:210
17052991814,3cyclictest3976-21H222:10:210
17052991814,3cyclictest11230-21https23:45:010
1705299181,3cyclictest3976-21H222:10:210
1705299181,16cyclictest1027-21wpa_supplicant20:48:290
1705299181,15cyclictest17529-21cpuspeed_turbos19:10:120
1705299180,2cyclictest3989-21H222:10:210
1705299180,2cyclictest3985-21H222:10:210
1705299180,2cyclictest3979-21H222:10:210
1705299180,2cyclictest3976-21H222:10:210
1705299180,17cyclictest19017-21memory23:00:190
1705299180,17cyclictest0-21swapper/021:20:180
1705299180,16cyclictest18845-21grep21:05:180
1705299180,15cyclictest4099-21H222:10:210
1705299180,15cyclictest3985-21H222:10:210
17061991715,1cyclictest28-21ksoftirqd/223:26:162
17061991714,2cyclictest7035-21expr22:40:132
17061991714,2cyclictest7035-21expr22:40:122
17061991714,2cyclictest612-21cat22:30:152
17061991714,2cyclictest3983-21H222:10:212
17061991714,2cyclictest30381-21tr22:25:132
17061991714,2cyclictest21612-21kernelversion23:05:182
17061991714,2cyclictest21612-21kernelversion23:05:182
1706199171,15cyclictest3979-21H222:10:212
1706199170,2cyclictest4035-21H222:10:212
1706199170,2cyclictest3991-21H222:10:212
1706199170,2cyclictest3991-21H222:10:212
1706199170,2cyclictest3983-21H222:10:212
1706199170,2cyclictest19807-21kernelversion20:10:182
1706199170,1cyclictest3989-21H222:10:212
1706199170,16cyclictest5917-21fschecks_time23:35:172
1706199170,16cyclictest4099-21H222:10:212
1706199170,16cyclictest4099-21H222:10:212
1706199170,16cyclictest3989-21H222:10:212
1706199170,16cyclictest3983-21H222:10:212
1706199170,16cyclictest32291-21chrt20:31:542
1706199170,16cyclictest30286-21head21:25:172
1706199170,16cyclictest18973-21nfsd421:05:182
1706199170,16cyclictest16407-21/usr/sbin/munin22:00:212
1706199170,16cyclictest15495-21grep21:00:152
1706199170,16cyclictest12077-21cat23:45:142
1706199170,16cyclictest0-21swapper/222:05:132
17057991717,0cyclictest0-21swapper/123:20:111
17057991715,1cyclictest21-21ksoftirqd/123:25:051
17057991714,2cyclictest9961-21ntp_offset23:40:171
17057991714,2cyclictest4256-21cat23:30:211
17057991714,2cyclictest4099-21H222:10:211
17057991714,2cyclictest3989-21H222:10:211
17057991714,2cyclictest3989-21H222:10:211
17057991714,2cyclictest3989-21H222:10:211
17057991714,2cyclictest32461-21fschecks_count21:30:151
17057991714,2cyclictest30246-21apache_accesses22:25:101
17057991714,2cyclictest29659-21awk19:30:191
17057991714,2cyclictest26305-21pzem_power22:15:211
17057991714,2cyclictest21553-21memory21:10:181
17057991714,2cyclictest18893-21apache_accesses20:10:121
17057991714,2cyclictest1515-21lxd22:24:491
17057991714,2cyclictest0-21swapper/100:30:011
1705799171,2cyclictest3980-21H222:10:211
1705799171,1cyclictest29282-21tr21:25:131
1705799171,15cyclictest3987-21H222:10:211
1705799171,15cyclictest3985-21H222:10:211
1705799170,2cyclictest7356-21cat21:40:251
1705799170,2cyclictest3991-21H222:10:211
1705799170,2cyclictest3989-21H222:10:211
1705799170,2cyclictest3985-21H222:10:211
1705799170,2cyclictest3983-21H222:10:211
1705799170,2cyclictest3979-21H222:10:211
1705799170,2cyclictest3976-21H222:10:211
1705799170,16cyclictest3989-21H222:10:211
1705799170,16cyclictest3987-21H222:10:211
1705799170,16cyclictest26503-21cpuspeed_turbos21:20:141
1705799170,16cyclictest25465-21cupsd19:10:061
1705799170,16cyclictest17742-21expr23:55:131
1705799170,16cyclictest1515-21lxd22:02:491
1705799170,16cyclictest12199-21nfsd421:50:171
17052991714,2cyclictest7325-21apache_processe00:35:110
17052991714,2cyclictest30255-21apt-get22:25:110
17052991714,2cyclictest24653-21sendmail-mta00:06:120
17052991714,2cyclictest20700-21apache_processe23:05:130
17052991714,2cyclictest20700-21apache_processe23:05:120
17052991714,2cyclictest13487-21latency22:50:170
17052991714,2cyclictest11412-21nfsd419:55:190
17052991713,3cyclictest1274-21runrttasks20:15:020
1705299171,2cyclictest3987-21H222:10:210
1705299171,15cyclictest4099-21H222:10:210
1705299171,15cyclictest3989-21H222:10:210
1705299171,15cyclictest304332chrt00:16:580
1705299170,2cyclictest3987-21H222:10:210
1705299170,2cyclictest3985-21H222:10:210
1705299170,2cyclictest3981-21H222:10:210
1705299170,2cyclictest22149-21cpuspeed_turbos22:10:120
1705299170,2cyclictest1829-21systemd-journal23:45:000
1705299170,1cyclictest3983-21H222:10:210
1705299170,1cyclictest3979-21H222:10:210
1705299170,16cyclictest9452-21grep22:45:130
1705299170,16cyclictest700-21awk23:25:170
1705299170,16cyclictest3991-21H222:10:210
1705299170,16cyclictest3985-21H222:10:210
1705299170,16cyclictest3985-21H222:10:210
1705299170,16cyclictest3981-21H222:10:210
1705299170,16cyclictest3981-21H222:10:210
1705299170,16cyclictest25485-21hddtemp_smartct22:15:160
1705299170,16cyclictest23579-21apache_accesses23:10:090
1705299170,16cyclictest17008-21cat22:55:220
1705299170,16cyclictest0-21swapper/000:10:550
1705299170,15cyclictest3987-21H222:10:210
17061991613,2cyclictest3991-21H222:10:212
17061991613,2cyclictest24489-21uname23:10:142
1706199160,15cyclictest0-21swapper/222:20:132
17057991614,1cyclictest0-21swapper/119:20:141
1705799160,15cyclictest3987-21H222:10:211
1705799160,15cyclictest0-21swapper/123:05:131
1705799160,15cyclictest0-21swapper/123:05:131
1705799160,15cyclictest0-21swapper/120:05:151
1705799160,15cyclictest0-21swapper/100:15:121
1705299160,1cyclictest0-21swapper/022:05:030
1705299160,15cyclictest1549-21apache_processe00:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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