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2025-12-29 - 16:50
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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 Mon Dec 29, 2025 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10119992313,5cyclictest0-21swapper/207:20:152
10115992219,2cyclictest19343-21latency_hist09:20:011
10115992219,2cyclictest19343-21latency_hist09:20:001
10110992221,0cyclictest0-21swapper/010:17:540
1011099220,21cyclictest0-21swapper/010:25:140
1011999200,19cyclictest0-21swapper/209:17:242
1011999200,19cyclictest0-21swapper/209:17:232
10110992013,3cyclictest0-21swapper/007:23:020
10115991914,3cyclictest0-21swapper/109:32:381
1011599190,18cyclictest0-21swapper/112:35:001
1011099193,2cyclictest2850-21gmain11:47:200
1011099190,2cyclictest12585-21cat08:10:010
1011099190,18cyclictest843-21systemd-network09:58:330
1011099190,16cyclictest3976-21H222:10:210
1011999182,1cyclictest105812chrt09:03:112
1011999181,16cyclictest0-21swapper/211:54:472
1011999181,16cyclictest0-21swapper/211:54:462
1011999180,2cyclictest3976-21H222:10:212
1011999180,17cyclictest2995-21awk12:40:002
10115991815,2cyclictest24377-21chrt09:28:011
10115991814,3cyclictest3989-21H222:10:211
10115991814,3cyclictest3976-21H222:10:211
10115991814,3cyclictest0-21swapper/109:46:081
1011599181,2cyclictest25351-21cut10:25:181
1011599181,1cyclictest0-21swapper/108:55:431
1011599180,3cyclictest6808-21munin-run08:00:001
10110991816,1cyclictest9-21ksoftirqd/007:12:020
1011099180,3cyclictest0-21swapper/012:32:250
1011099180,2cyclictest3989-21H222:10:210
1011099180,17cyclictest3979-21H222:10:210
10119991716,1cyclictest28-21ksoftirqd/207:27:562
10119991715,1cyclictest0-21swapper/212:15:152
10119991714,2cyclictest4746-21chrt11:44:172
10119991714,2cyclictest3983-21H222:10:212
10119991714,2cyclictest3979-21H222:10:212
10119991714,2cyclictest3979-21H222:10:212
10119991714,2cyclictest372-21fschecks_time08:45:142
10119991714,2cyclictest3450-21gsd-color08:20:282
10119991714,2cyclictest32647-21sendmail-mta09:41:562
10119991714,2cyclictest32647-21sendmail-mta09:41:552
10119991714,2cyclictest27499-21sed09:35:002
10119991714,2cyclictest20578-21pzem_power12:10:202
10119991714,2cyclictest19204-21sed11:10:202
10119991714,2cyclictest17038-21processes08:15:232
10119991714,2cyclictest1486-21snapd07:58:432
10119991714,2cyclictest13278-21latency_hist12:00:002
10119991714,2cyclictest0-21swapper/209:20:212
10119991714,1cyclictest0-21swapper/212:20:142
10119991712,3cyclictest31436-21nvmesmart_nvme010:35:192
1011999171,1cyclictest24547-21mailstats11:20:202
1011999170,2cyclictest9064-21sort08:00:222
1011999170,2cyclictest3991-21H222:10:212
1011999170,2cyclictest32292-21ntp_kernel_pll_07:45:182
1011999170,2cyclictest26621-21cut11:25:172
1011999170,2cyclictest19442-21idleruntime10:15:172
1011999170,2cyclictest1642-21sort10:40:192
1011999170,2cyclictest1592-21expr07:50:132
1011999170,2cyclictest12711-21apt-get07:15:012
1011999170,1cyclictest0-21swapper/208:10:192
1011999170,16cyclictest5513-21munin-run08:55:012
1011999170,16cyclictest5214-21/usr/sbin/munin11:45:182
1011999170,16cyclictest30605-21fschecks_count12:30:142
1011999170,16cyclictest29924-21chrt07:42:472
1011999170,16cyclictest28841-21pzem_voltage10:30:222
1011999170,16cyclictest24861-21/usr/sbin/munin07:35:182
1011999170,16cyclictest22846-21latency_hist11:20:002
1011999170,16cyclictest22141-21/usr/sbin/munin07:30:122
1011999170,16cyclictest1776-21perf11:40:002
1011999170,16cyclictest15917-21nfsd411:05:172
1011999170,16cyclictest11118-21/usr/sbin/munin10:00:172
1011999170,16cyclictest0-21swapper/210:25:122
1011999170,15cyclictest3985-21H222:10:212
1011999170,15cyclictest0-21swapper/212:05:032
10115991716,1cyclictest21-21ksoftirqd/111:10:071
10115991715,1cyclictest23078-21kernelversion07:30:171
10115991715,1cyclictest0-21swapper/112:28:101
10115991715,1cyclictest0-21swapper/111:05:171
10115991715,1cyclictest0-21swapper/109:58:241
10115991714,2cyclictest6793-21mailstats11:45:191
10115991714,2cyclictest455-21plymouthd10:05:151
10115991714,2cyclictest3985-21H222:10:211
10115991714,2cyclictest31609-21fschecks_time07:45:161
10115991714,2cyclictest26906-21expr08:35:141
10115991714,2cyclictest2534-21date08:50:001
10115991714,2cyclictest22251-21cat12:15:151
10115991714,2cyclictest14806-21ntpq12:00:201
10115991714,2cyclictest11123-21grep08:05:191
10115991713,3cyclictest21333-21cron12:15:001
1011599171,15cyclictest0-21swapper/111:31:381
1011599171,15cyclictest0-21swapper/107:20:181
1011599170,3cyclictest3980-21H222:10:211
1011599170,2cyclictest3985-21H222:10:211
1011599170,2cyclictest20064-21tr10:15:181
1011599170,2cyclictest1566-21kernelversion10:40:181
1011599170,2cyclictest12364-21chrt10:01:081
1011599170,2cyclictest11447-21cron11:04:561
1011599170,2cyclictest10273-21missed_timers10:55:191
1011599170,16cyclictest8638-21expr08:00:181
1011599170,16cyclictest4399-21cat07:55:011
1011599170,16cyclictest3991-21H222:10:211
1011599170,16cyclictest32333-21sed10:39:001
1011599170,16cyclictest25152-21seq07:35:131
1011599170,16cyclictest21791-21ls08:25:151
1011599170,16cyclictest21590-21smtp07:28:091
1011599170,16cyclictest16153-21apache_processe12:05:111
1011599170,16cyclictest15887-21cron07:20:011
1011599170,16cyclictest1486-21snapd09:00:101
1011599170,16cyclictest1477-21snapd11:20:081
1011599170,16cyclictest1351-21lxd08:40:421
1011599170,15cyclictest3985-21H222:10:211
1011599170,15cyclictest30116-21apt-get07:45:011
10110991715,1cyclictest9-21ksoftirqd/010:35:400
10110991715,1cyclictest0-21swapper/010:40:170
10110991715,1cyclictest0-21swapper/010:03:520
10110991714,2cyclictest991-21timerandwakeup11:35:210
10110991714,2cyclictest9158-21/usr/sbin/munin11:50:190
10110991714,2cyclictest9158-21/usr/sbin/munin11:50:190
10110991714,2cyclictest6927-21expr10:50:130
10110991714,2cyclictest4021-21sed11:40:230
10110991714,2cyclictest31907-21nfsd409:40:190
10110991714,2cyclictest31907-21nfsd409:40:190
10110991714,2cyclictest25589-21smartctl07:35:140
10110991714,2cyclictest23847-21latency_hist10:25:000
10110991714,2cyclictest23082-21uname07:30:180
10110991714,2cyclictest22407-21ntp_kernel_err08:25:190
10110991713,3cyclictest4022-21https09:50:020
1011099171,15cyclictest51592sleep008:53:480
1011099170,2cyclictest9801-21fschecks_time10:55:160
1011099170,2cyclictest863-21avahi-daemon12:25:190
1011099170,2cyclictest3991-21H222:10:210
1011099170,2cyclictest24913-21expr12:20:140
1011099170,2cyclictest22293-21cat12:15:150
1011099170,2cyclictest13720-21tr07:15:150
1011099170,2cyclictest12034-21if_lxdbr009:05:160
1011099170,1cyclictest0-21swapper/009:16:390
1011099170,1cyclictest0-21swapper/009:16:390
1011099170,16cyclictest399-20systemd-journal08:14:570
1011099170,16cyclictest3985-21H222:10:210
1011099170,16cyclictest3983-21H222:10:210
1011099170,16cyclictest3981-21H222:10:210
1011099170,16cyclictest32712-21dpkg12:35:120
1011099170,16cyclictest28911-21awk09:35:200
1011099170,16cyclictest28118-21python311:30:000
1011099170,16cyclictest2464-21sed07:50:170
1011099170,16cyclictest21578-21chrt09:22:000
1011099170,16cyclictest20494-21cat11:15:130
1011099170,16cyclictest18970-21cat12:10:000
1011099170,16cyclictest18199-21chrt10:14:140
1011099170,16cyclictest1521-21lxd08:44:410
1011099170,16cyclictest12063-21ntpq11:55:180
1011099170,15cyclictest986-21nfsd408:45:180
1011099170,15cyclictest3976-21H222:10:210
10119991614,1cyclictest0-21swapper/211:30:222
10119991614,1cyclictest0-21swapper/210:45:032
10119991614,1cyclictest0-21swapper/209:50:212
10119991614,1cyclictest0-21swapper/209:35:142
10119991614,1cyclictest0-21swapper/209:10:142
10119991614,1cyclictest0-21swapper/208:35:152
10119991613,2cyclictest3991-21H222:10:212
10119991613,2cyclictest10572-21fschecks_count08:05:152
1011999160,1cyclictest3979-21H222:10:212
1011999160,1cyclictest237382sleep208:30:032
1011999160,15cyclictest5945-21cstates08:55:162
1011999160,15cyclictest30019-21fschecks_count08:40:162
1011999160,15cyclictest17176-21nfsd410:10:182
1011999160,15cyclictest14725-21sed07:15:172
1011999160,15cyclictest0-21swapper/212:00:162
1011999160,15cyclictest0-21swapper/210:20:152
1011999160,15cyclictest0-21swapper/209:45:132
1011999160,15cyclictest0-21swapper/209:05:122
10115991614,1cyclictest26666-21sed11:25:171
10115991614,1cyclictest16434-21expr10:10:141
10115991614,1cyclictest0-21swapper/111:50:171
10115991614,1cyclictest0-21swapper/111:50:161
10115991614,1cyclictest0-21swapper/111:40:191
10115991614,1cyclictest0-21swapper/110:45:181
10115991614,1cyclictest0-21swapper/110:20:151
10115991614,1cyclictest0-21swapper/109:40:141
10115991614,1cyclictest0-21swapper/109:40:141
1011599160,2cyclictest27092-21latency_hist12:25:001
1011599160,1cyclictest11333-21fschecks_time11:55:141
1011599160,1cyclictest0-21swapper/107:10:161
1011599160,15cyclictest7665-21awk10:50:161
1011599160,15cyclictest4547-21cpuspeed_turbos09:50:141
1011599160,15cyclictest27286-21/usr/sbin/munin10:30:221
1011599160,15cyclictest0-21swapper/111:35:131
1011599160,15cyclictest0-21swapper/111:15:121
1011599160,15cyclictest0-21swapper/109:20:221
1011599160,15cyclictest0-21swapper/108:30:161
1011599160,15cyclictest0-21swapper/108:10:181
10110991614,1cyclictest14362-21kernelversion12:00:180
10110991614,1cyclictest0-21swapper/009:46:470
10110991614,1cyclictest0-21swapper/009:00:180
10110991614,1cyclictest0-21swapper/008:55:150
10110991614,1cyclictest0-21swapper/008:00:170
10110991614,1cyclictest0-21swapper/007:40:130
10110991613,2cyclictest3979-21H222:10:210
10110991613,2cyclictest1348-21lxd11:06:410
1011099160,1cyclictest31349-21cat07:45:140
1011099160,1cyclictest0-21swapper/008:15:140
1011099160,15cyclictest4583-21cpuspeed_turbos07:55:140
1011099160,15cyclictest23326-21expr11:20:140
1011099160,15cyclictest14805-21sed10:05:210
1011099160,15cyclictest0-21swapper/012:10:180
1011099160,15cyclictest0-21swapper/011:13:560
1011099160,15cyclictest0-21swapper/008:35:170
1011099150,1cyclictest0-21swapper/007:25:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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