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2026-09-06 - 19:41
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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 Sep 06, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2309299270,4cyclictest0-21swapper/112:13:381
2309299270,22cyclictest0-21swapper/108:20:071
2309299240,23cyclictest0-21swapper/112:24:501
2309399230,20cyclictest0-21swapper/211:16:592
2309299232,1cyclictest0-21swapper/108:30:201
23092992312,6cyclictest5741-21sort09:30:141
2309299230,2cyclictest14855-21fschecks_count12:35:171
2309299230,2cyclictest11916-21fschecks_count09:40:141
2309299230,22cyclictest0-21swapper/108:45:131
2309199230,5cyclictest0-21swapper/010:17:550
2309199230,22cyclictest0-21swapper/010:55:280
2309199230,22cyclictest0-21swapper/010:55:280
23092992214,7cyclictest6684-21apt-config11:25:011
2309299221,20cyclictest0-21swapper/107:22:161
2309299221,1cyclictest120022sleep111:31:291
2309299220,2cyclictest7116-21apt-key11:25:001
2309299220,21cyclictest13746-21cat07:50:131
2309299220,1cyclictest0-21swapper/107:30:161
2309299220,17cyclictest863-21avahi-daemon07:10:201
2309299220,16cyclictest625-21ntpq07:25:191
2309299220,16cyclictest625-21ntpq07:25:191
23091992214,4cyclictest0-21swapper/009:46:390
23093992112,5cyclictest0-21swapper/212:26:522
2309299211,5cyclictest0-21swapper/110:30:541
2309299210,2cyclictest9892-21sed12:25:171
2309299210,2cyclictest9540-21/usr/sbin/munin09:35:171
2309299210,2cyclictest5134-21grep10:25:141
2309299210,2cyclictest28272-21nfsd412:00:181
2309299210,2cyclictest28182-21if_err_enp1s008:15:161
2309299210,2cyclictest24260-21latency_hist11:00:011
2309299210,2cyclictest24260-21latency_hist11:00:001
2309299210,2cyclictest20826-21chrt11:47:071
2309299210,20cyclictest0-21swapper/108:40:011
2309299210,1cyclictest9729-21cpuspeed_turbos08:40:131
2309299210,1cyclictest326212chrt11:11:111
2309299210,1cyclictest18907-21cut10:50:001
2309299210,1cyclictest15911-21timerwakeupswit09:45:221
2309299210,1cyclictest1197-21latency_hist10:20:011
2309299210,17cyclictest22646-21uname11:50:171
2309299210,16cyclictest4099-21H222:10:211
2309299210,16cyclictest25856-21grep08:10:171
2309299210,16cyclictest14463-21nfsd410:40:181
2309299210,15cyclictest4304-21expr09:25:171
2309399204,15cyclictest3991-21H222:10:212
23093992016,3cyclictest0-21swapper/207:40:172
2309399201,17cyclictest22470-21cut10:00:142
23092992015,4cyclictest0-21swapper/110:25:001
23092992014,5cyclictest282322chrt10:10:081
23092992014,5cyclictest0-21swapper/112:30:181
23092992014,5cyclictest0-21swapper/110:50:131
23092992014,5cyclictest0-21swapper/107:35:221
23092992013,6cyclictest1976-21chrt09:22:091
23092992013,6cyclictest0-21swapper/111:40:211
2309299200,2cyclictest3976-21H222:10:211
2309299200,2cyclictest1060-21thermald10:36:031
2309299200,1cyclictest0-21swapper/108:25:171
2309299200,19cyclictest3991-21H222:10:211
2309299200,19cyclictest0-21swapper/109:55:211
2309299200,19cyclictest0-21swapper/109:05:191
2309299200,19cyclictest0-21swapper/109:00:011
2309299200,19cyclictest0-21swapper/107:45:171
2309299200,16cyclictest4099-21H222:10:211
2309299200,15cyclictest0-21swapper/108:05:171
2309299200,15cyclictest0-21swapper/107:15:151
2309299200,14cyclictest0-21swapper/111:00:171
2309199203,2cyclictest1856-21systemd-udevd08:58:520
23091992014,5cyclictest0-21swapper/008:20:010
2309399192,16cyclictest3976-21H222:10:212
2309399192,11cyclictest11937-21apt-get08:45:012
23093991917,1cyclictest0-21swapper/212:12:022
23093991917,1cyclictest0-21swapper/210:30:222
23093991916,2cyclictest28-21ksoftirqd/208:49:482
2309399190,16cyclictest4099-21H222:10:212
2309399190,16cyclictest4035-21H222:10:212
2309399190,16cyclictest3985-21H222:10:212
23092991914,4cyclictest0-21swapper/111:55:161
23092991914,4cyclictest0-21swapper/111:05:031
23092991914,4cyclictest0-21swapper/107:40:151
23092991913,5cyclictest22646-21cat10:00:131
23092991912,6cyclictest21127-21taskset08:03:041
2309299190,1cyclictest3983-21H222:10:211
2309299190,1cyclictest0-21swapper/112:05:141
2309299190,1cyclictest0-21swapper/111:35:141
2309299190,1cyclictest0-21swapper/109:50:171
2309299190,1cyclictest0-21swapper/108:52:251
2309299190,0cyclictest0-21swapper/109:15:181
23091991917,1cyclictest9-21ksoftirqd/010:45:080
2309199190,2cyclictest3989-21H222:10:210
2309199190,2cyclictest3983-21H222:10:210
2309199190,16cyclictest3989-21H222:10:210
2309199190,16cyclictest3985-21H222:10:210
2309199190,16cyclictest3979-21H222:10:210
2309199190,16cyclictest3976-21H222:10:210
23093991816,1cyclictest28-21ksoftirqd/209:53:452
23093991816,1cyclictest0-21swapper/207:25:052
23093991816,1cyclictest0-21swapper/207:25:052
23093991815,2cyclictest25059-21cat11:00:152
23093991815,2cyclictest23419-21basename10:55:202
23093991815,2cyclictest23419-21basename10:55:192
23093991815,2cyclictest16833-21nfsd411:40:192
23093991815,2cyclictest16170-21sed12:35:232
23093991814,3cyclictest4035-21H222:10:212
23093991814,3cyclictest3985-21H222:10:212
23093991814,3cyclictest3985-21H222:10:212
23093991814,3cyclictest3983-21H222:10:212
23093991814,3cyclictest3976-21H222:10:212
2309399180,2cyclictest4099-21H222:10:212
2309399180,2cyclictest3983-21H222:10:212
2309399180,2cyclictest3979-21H222:10:212
2309399180,2cyclictest3976-21H222:10:212
2309399180,17cyclictest3991-21H222:10:212
2309399180,17cyclictest3983-21H222:10:212
2309399180,16cyclictest3991-21H222:10:212
23092991814,3cyclictest3979-21H222:10:211
2309199182,15cyclictest9-21ksoftirqd/007:26:110
2309199182,15cyclictest9-21ksoftirqd/007:26:110
2309199182,15cyclictest0-21swapper/008:25:140
23091991816,1cyclictest9-21ksoftirqd/012:26:310
23091991815,1cyclictest0-21swapper/011:25:010
23091991814,3cyclictest4035-21H222:10:210
23091991814,3cyclictest3987-21H222:10:210
2309199180,2cyclictest3987-21H222:10:210
2309199180,2cyclictest3981-21H222:10:210
2309199180,17cyclictest27120-21chrt10:08:130
2309199180,17cyclictest12253-21apt-config08:45:010
2309199180,16cyclictest3985-21H222:10:210
2309199180,16cyclictest18010-21python311:45:010
2309199180,16cyclictest16739-21perf12:40:000
2309199180,15cyclictest4099-21H222:10:210
2309199180,15cyclictest4035-21H222:10:210
2309199180,15cyclictest3983-21H222:10:210
2309399178,5cyclictest0-21swapper/207:50:132
2309399172,1cyclictest0-21swapper/208:10:132
23093991716,1cyclictest28-21ksoftirqd/209:28:522
23093991714,2cyclictest4519-21nfsd412:15:162
23093991714,2cyclictest14226-21cpuspeed_turbos09:45:142
2309399171,15cyclictest6054-21systemctl10:25:192
2309399171,15cyclictest0-21swapper/209:59:542
2309399170,2cyclictest5674-21mailstats11:20:222
2309399170,2cyclictest4035-21H222:10:212
2309399170,2cyclictest3991-21H222:10:212
2309399170,2cyclictest3989-21H222:10:212
2309399170,2cyclictest3985-21H222:10:212
2309399170,2cyclictest3979-21H222:10:212
2309399170,2cyclictest28195-21pzem_power09:10:232
2309399170,2cyclictest2135-21grep10:20:152
2309399170,2cyclictest19393-21tune2fs11:45:142
2309399170,16cyclictest6980-21kernelversion12:20:172
2309399170,16cyclictest4035-21H222:10:212
2309399170,16cyclictest4035-21H222:10:212
2309399170,16cyclictest3989-21H222:10:212
2309399170,16cyclictest3987-21H222:10:212
2309399170,16cyclictest3983-21H222:10:212
2309399170,16cyclictest3981-21H222:10:212
2309399170,16cyclictest3979-21H222:10:212
2309399170,16cyclictest32143-21sed10:15:162
2309399170,16cyclictest21045-21apache_volume09:00:122
2309399170,16cyclictest20477-21ntp_kernel_err10:50:182
2309399170,16cyclictest17918-21latency_hist08:55:012
2309399170,16cyclictest1161-21expr08:25:142
2309399170,15cyclictest3976-21H222:10:212
23091991715,1cyclictest0-21swapper/010:00:170
23091991714,2cyclictest9929-21pzem_power09:35:210
23091991714,2cyclictest4099-21H222:10:210
23091991714,2cyclictest4035-21H222:10:210
23091991714,2cyclictest4035-21H222:10:210
23091991714,2cyclictest3989-21H222:10:210
23091991714,2cyclictest3987-21H222:10:210
23091991714,2cyclictest3454-21grep07:30:170
23091991714,2cyclictest24924-21/usr/sbin/munin09:05:170
23091991714,2cyclictest18125-21ntpq09:50:190
23091991714,2cyclictest14711-21users08:45:220
23091991713,3cyclictest3985-21H222:10:210
23091991713,3cyclictest3979-21H222:10:210
2309199171,15cyclictest455-21plymouthd11:45:120
2309199170,2cyclictest3989-21H222:10:210
2309199170,2cyclictest3985-21H222:10:210
2309199170,2cyclictest30684-21df08:20:140
2309199170,2cyclictest1761-21systemd09:00:520
2309199170,2cyclictest15803-21cron07:55:000
2309199170,1cyclictest3979-21H222:10:210
2309199170,1cyclictest0-21swapper/009:19:080
2309199170,16cyclictest9335-21nfsd407:40:190
2309199170,16cyclictest4550-21/usr/sbin/munin10:25:110
2309199170,16cyclictest4035-21H222:10:210
2309199170,16cyclictest3985-21H222:10:210
2309199170,16cyclictest3983-21H222:10:210
2309199170,16cyclictest3979-21H222:10:210
2309199170,16cyclictest26649-21find09:10:140
2309199170,16cyclictest25852-21switchtime11:55:220
2309199170,16cyclictest0-21swapper/007:35:330
23093991614,1cyclictest0-21swapper/211:50:162
23093991614,1cyclictest0-21swapper/208:55:162
2309399160,2cyclictest11985-21nfsd407:45:182
2309399160,15cyclictest0-21swapper/211:05:012
2309399160,15cyclictest0-21swapper/209:20:202
23091991614,1cyclictest0-21swapper/011:35:210
23091991614,1cyclictest0-21swapper/008:01:290
2309199160,1cyclictest0-21swapper/012:10:200
2309199160,1cyclictest0-21swapper/010:10:010
2309199160,15cyclictest25815-21nfsd408:10:160
2309199160,15cyclictest0-21swapper/012:30:140
2309199160,15cyclictest0-21swapper/009:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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