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2026-05-24 - 10:14
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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 May 24, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2411099258,2cyclictest5984-21ntpq00:15:192
2410999230,7cyclictest23811-21idleruntime-cro22:00:001
2410899230,22cyclictest0-21swapper/020:28:510
2411099224,2cyclictest7812-21tr21:30:122
24109992218,3cyclictest0-21swapper/100:23:021
24109992211,10cyclictest0-21swapper/121:46:281
24109992118,2cyclictest3991-21H222:10:211
24110992018,1cyclictest28-21ksoftirqd/220:04:362
2410999202,16cyclictest4099-21H222:10:211
2411099193,2cyclictest3981-21H222:10:212
2411099192,16cyclictest22938-21proc_pri21:55:192
24110991917,1cyclictest0-21swapper/219:25:162
24110991916,2cyclictest26030-21grep23:55:142
24110991914,2cyclictest3979-21H222:10:212
2411099190,4cyclictest28928-21awk23:05:012
2411099190,16cyclictest4099-21H222:10:212
2411099190,16cyclictest3983-21H222:10:212
24109991917,1cyclictest21-21ksoftirqd/123:09:571
24109991917,1cyclictest15856-21find23:35:201
24109991916,2cyclictest1938-21nfsd419:25:181
2410999190,4cyclictest3979-21H222:10:211
2410999190,1cyclictest0-21swapper/120:12:101
2410999190,16cyclictest3991-21H222:10:211
2410899193,1cyclictest9-21ksoftirqd/019:34:540
24108991917,1cyclictest9-21ksoftirqd/021:35:570
24108991916,2cyclictest20283-21seq19:59:550
2410899191,2cyclictest4035-21H222:10:210
2410899190,2cyclictest3987-21H222:10:210
2410899190,2cyclictest3979-21H222:10:210
2410899190,16cyclictest4099-21H222:10:210
2410899190,16cyclictest4099-21H222:10:210
2410899190,16cyclictest3991-21H222:10:210
2410899190,16cyclictest3987-21H222:10:210
2410899190,16cyclictest0-21swapper/020:10:110
2411099182,15cyclictest0-21swapper/222:42:032
24110991815,2cyclictest4099-21H222:10:212
24110991815,2cyclictest3979-21H222:10:212
24110991814,3cyclictest3976-21H222:10:212
2411099181,2cyclictest4099-21H222:10:212
2411099181,2cyclictest3985-21H222:10:212
2411099180,3cyclictest3979-21H222:10:212
2411099180,2cyclictest4099-21H222:10:212
2411099180,2cyclictest3991-21H222:10:212
2411099180,2cyclictest3987-21H222:10:212
2411099180,2cyclictest3981-21H222:10:212
2411099180,17cyclictest3983-21H222:10:212
2411099180,17cyclictest3981-21H222:10:212
2411099180,17cyclictest3976-21H222:10:212
2411099180,17cyclictest3053-21systemd-logind22:54:522
2411099180,17cyclictest12423-21postgres00:29:532
2411099180,17cyclictest0-21swapper/220:35:132
2411099180,16cyclictest3979-21H222:10:212
2411099180,16cyclictest3976-21H222:10:212
2411099180,15cyclictest4099-21H222:10:212
2411099180,15cyclictest3979-21H222:10:212
2410999183,1cyclictest8035-21apt23:25:001
2410999182,15cyclictest0-21swapper/122:21:051
24109991816,1cyclictest19777-21timerandwakeup19:55:221
24109991816,1cyclictest0-21swapper/123:14:061
24109991815,2cyclictest27884-21expr23:00:171
24109991814,3cyclictest30618-21awk21:15:001
24109991814,3cyclictest0-21swapper/100:36:481
2410999181,2cyclictest0-21swapper/121:05:191
2410999181,16cyclictest4179-21nfsd423:15:191
2410999181,15cyclictest0-21swapper/121:00:161
2410999180,2cyclictest3989-21H222:10:211
2410999180,2cyclictest3976-21H222:10:211
2410999180,17cyclictest4099-21H222:10:211
2410999180,17cyclictest25650-21cat22:55:231
2410999180,15cyclictest4035-21H222:10:211
2410899183,1cyclictest3989-21H222:10:210
24108991815,2cyclictest4099-21H222:10:210
24108991815,2cyclictest4035-21H222:10:210
24108991815,2cyclictest3991-21H222:10:210
24108991815,2cyclictest2226-21fschecks_time00:10:150
24108991814,3cyclictest4035-21H222:10:210
24108991814,3cyclictest4035-21H222:10:210
24108991814,3cyclictest3981-21H222:10:210
24108991814,2cyclictest3991-21H222:10:210
24108991813,4cyclictest399-20systemd-journal00:01:180
2410899181,2cyclictest1856-21systemd-udevd00:28:510
2410899181,16cyclictest3989-21H222:10:210
2410899181,15cyclictest3991-21H222:10:210
24108991810,7cyclictest870-21systemd-logind20:38:520
2410899180,2cyclictest3985-21H222:10:210
2410899180,17cyclictest870-21systemd-logind21:56:520
2410899180,17cyclictest3991-21H222:10:210
2410899180,17cyclictest3989-21H222:10:210
2410899180,17cyclictest3983-21H222:10:210
2410899180,15cyclictest3981-21H222:10:210
24110991714,2cyclictest4099-21H222:10:212
24110991714,2cyclictest4099-21H222:10:212
24110991714,2cyclictest3981-21H222:10:212
24110991714,2cyclictest3976-21H222:10:212
24110991714,2cyclictest28125-21/usr/sbin/munin00:00:122
24110991714,2cyclictest23323-21memory21:00:162
24110991714,2cyclictest13534-21grep21:40:132
24110991713,3cyclictest3976-21H222:10:212
2411099171,1cyclictest23910-21awk23:50:182
2411099171,1cyclictest18602chrt21:20:062
2411099170,2cyclictest6933-21nfsd420:30:172
2411099170,2cyclictest3976-21H222:10:212
2411099170,2cyclictest3976-21H222:10:212
2411099170,2cyclictest19083-21missed_timers22:45:192
2411099170,16cyclictest8832-21smartctl00:20:192
2411099170,16cyclictest4183-21apache_processe19:30:112
2411099170,16cyclictest3989-21H222:10:212
2411099170,16cyclictest3989-21H222:10:212
2411099170,16cyclictest3983-21H222:10:212
2411099170,16cyclictest3983-21H222:10:212
2411099170,16cyclictest3981-21H222:10:212
2411099170,16cyclictest32221-21apt-get23:10:122
2411099170,16cyclictest31572-21fschecks_time00:05:142
2411099170,16cyclictest31026-21apache_accesses21:15:122
2411099170,16cyclictest28018-21fschecks_time22:05:162
2411099170,16cyclictest23754-21expr20:05:132
2411099170,16cyclictest2300-21nfsd422:15:192
2411099170,16cyclictest15834-21pzem_energy23:35:212
2411099170,16cyclictest10973-21df_inode21:35:142
2411099170,16cyclictest1079-21cups-browsed19:35:212
2411099170,16cyclictest0-21swapper/223:18:112
24109991715,1cyclictest3987-21H222:10:211
24109991714,2cyclictest6506-21munin-run19:35:011
24109991714,2cyclictest4035-21H222:10:211
24109991714,2cyclictest4035-21H222:10:211
24109991714,2cyclictest3989-21H222:10:211
24109991714,2cyclictest3979-21H222:10:211
24109991714,2cyclictest3135-21sed21:20:171
24109991714,2cyclictest30475-21perf00:05:001
24109991714,2cyclictest20321-21/usr/sbin/munin20:55:161
24109991714,2cyclictest18738-21/usr/sbin/munin21:50:171
24109991714,2cyclictest1683-21apache222:15:161
24109991714,2cyclictest13631-21ls21:40:131
24109991714,2cyclictest11874-21expr23:30:161
24109991714,2cyclictest11769-21ntpq21:35:181
24109991714,1cyclictest0-21swapper/120:25:011
24109991713,3cyclictest455-21plymouthd22:30:171
2410999171,1cyclictest219652chrt23:46:221
2410999171,15cyclictest152402chrt19:50:041
2410999171,15cyclictest152402chrt19:50:031
2410999170,2cyclictest7471-21df22:25:141
2410999170,2cyclictest3985-21H222:10:211
2410999170,2cyclictest3976-21H222:10:211
2410999170,2cyclictest26737-21munin-plugin-st19:15:001
2410999170,2cyclictest1523-21lxd22:06:501
2410999170,1cyclictest0-21swapper/119:45:221
2410999170,16cyclictest9982-21perf21:35:011
2410999170,16cyclictest878-21in:imuxsock20:08:591
2410999170,16cyclictest5728-21apache_volume20:30:111
2410999170,16cyclictest5171-21cstates00:15:151
2410999170,16cyclictest5003-21grep21:25:141
2410999170,16cyclictest3987-21H222:10:211
2410999170,16cyclictest3981-21H222:10:211
2410999170,16cyclictest31538-21cut22:10:171
2410999170,16cyclictest30280-21/usr/sbin/munin19:20:151
2410999170,16cyclictest26048-21tune2fs23:55:141
2410999170,16cyclictest18594-21ntpq23:40:181
2410999170,16cyclictest16812-21apache_processe20:50:121
2410999170,16cyclictest14050-21/usr/sbin/munin20:45:221
24108991715,1cyclictest0-21swapper/022:50:210
24108991715,1cyclictest0-21swapper/022:05:490
24108991714,2cyclictest4099-21H222:10:210
24108991714,2cyclictest4035-21H222:10:210
24108991714,2cyclictest3985-21H222:10:210
24108991714,2cyclictest3976-21H222:10:210
24108991714,2cyclictest31557-21grep22:10:170
24108991714,2cyclictest20088-21cpuspeed_turbos23:45:160
24108991713,4cyclictest0-21swapper/021:01:380
24108991713,3cyclictest3976-21H222:10:210
24108991713,2cyclictest4099-21H222:10:210
2410899170,2cyclictest3991-21H222:10:210
2410899170,2cyclictest3991-21H222:10:210
2410899170,2cyclictest3991-21H222:10:210
2410899170,2cyclictest3989-21H222:10:210
2410899170,2cyclictest3979-21H222:10:210
2410899170,2cyclictest24845-21ntp_kernel_pll_20:05:180
2410899170,2cyclictest14506-21snapd22:22:590
2410899170,1cyclictest0-21swapper/023:40:130
2410899170,16cyclictest997-21apache_accesses22:15:120
2410899170,16cyclictest8788-21sed19:35:220
2410899170,16cyclictest8297-21cut21:30:140
2410899170,16cyclictest6505-21cat00:15:230
2410899170,16cyclictest5133-21cpuspeed_turbos21:25:140
2410899170,16cyclictest4035-21H222:10:210
2410899170,16cyclictest3991-21H222:10:210
2410899170,16cyclictest3987-21H222:10:210
2410899170,16cyclictest3976-21H222:10:210
2410899170,16cyclictest3976-21H222:10:210
2410899170,16cyclictest29113-21cut23:05:010
2410899170,16cyclictest12245-21tune2fs23:30:170
2410899170,15cyclictest4035-21H222:10:210
24110991613,2cyclictest21254-21nfsd423:45:192
2411099160,15cyclictest3450-21gsd-color20:55:112
2411099160,15cyclictest14087-21nfsd400:30:182
24109991613,2cyclictest11346-21apache_accesses20:40:111
2410999160,1cyclictest15257-21apache_accesses22:40:111
24108991614,1cyclictest0-21swapper/020:00:120
2410899160,1cyclictest0-21swapper/020:40:130
2410899160,15cyclictest6373-21fschecks_count20:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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