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2026-06-29 - 17:43
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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 Jun 29, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2741399261,1cyclictest28-21ksoftirqd/209:37:122
2741299266,14cyclictest0-21swapper/108:50:421
27412992414,7cyclictest0-21swapper/112:20:161
2741299230,5cyclictest1-21systemd08:35:011
27413992221,1cyclictest28-21ksoftirqd/209:46:382
27413992121,0cyclictest28-21ksoftirqd/209:31:062
27413992121,0cyclictest28-21ksoftirqd/209:27:502
27413992121,0cyclictest28-21ksoftirqd/209:03:392
27413992118,2cyclictest31404-21uname12:00:232
2741199210,20cyclictest0-21swapper/007:54:430
27413992020,0cyclictest28-21ksoftirqd/210:49:062
27413992020,0cyclictest28-21ksoftirqd/209:55:352
27413992020,0cyclictest28-21ksoftirqd/209:06:302
27413992020,0cyclictest28-21ksoftirqd/208:55:062
27413992020,0cyclictest0-21swapper/208:29:352
2741199202,3cyclictest23757-21grep09:55:010
27411992018,1cyclictest0-21swapper/009:40:140
2741199200,3cyclictest0-21swapper/010:30:210
2741399192,16cyclictest271rcuc/210:05:232
27413991919,0cyclictest0-21swapper/209:50:252
27413991917,1cyclictest271rcuc/208:39:012
27413991911,5cyclictest0-21swapper/208:06:462
2741399190,17cyclictest0-21swapper/212:10:162
2741399190,16cyclictest0-21swapper/212:20:202
2741399190,0cyclictest0-21swapper/207:26:292
2741299194,9cyclictest0-21swapper/110:30:011
27412991917,1cyclictest25627-21nfsd411:50:171
2741199193,2cyclictest14590-21expr12:30:120
2741199192,16cyclictest3983-21H222:10:210
2741199192,16cyclictest0-21swapper/009:55:370
2741199190,18cyclictest870-21systemd-logind08:51:530
2741399182,15cyclictest28-21ksoftirqd/211:10:222
2741399182,15cyclictest271rcuc/210:58:552
27413991817,1cyclictest271rcuc/210:02:572
27413991816,1cyclictest271rcuc/211:50:142
27413991816,1cyclictest0-21swapper/210:41:362
27413991815,2cyclictest27810-21fschecks_time11:55:142
27413991814,3cyclictest11878-21munin-run07:40:002
27413991814,1cyclictest8125-21cstates11:20:132
27413991812,5cyclictest0-21swapper/208:30:192
2741399181,16cyclictest0-21swapper/211:45:192
27412991816,1cyclictest0-21swapper/107:11:361
27412991814,3cyclictest30677-21grep08:10:181
27412991814,3cyclictest0-21swapper/108:28:561
27412991814,3cyclictest0-21swapper/107:57:321
2741299180,3cyclictest30903-21munin-run09:10:011
2741299180,18cyclictest0-21swapper/109:46:591
2741199182,15cyclictest0-21swapper/011:55:590
27411991814,3cyclictest993-21dbus-daemon07:45:200
27411991814,1cyclictest0-21swapper/008:20:010
2741199181,2cyclictest23681-21expr08:00:130
2741199180,16cyclictest993-21dbus-daemon09:05:220
2741399172,15cyclictest28-21ksoftirqd/211:35:172
27413991716,1cyclictest28-21ksoftirqd/212:37:042
27413991716,1cyclictest28-21ksoftirqd/210:39:012
27413991715,1cyclictest271rcuc/211:00:122
27413991715,1cyclictest271rcuc/208:00:212
27413991715,1cyclictest271rcuc/207:55:192
27413991715,1cyclictest0-21swapper/212:28:582
27413991715,1cyclictest0-21swapper/207:50:132
27413991714,2cyclictest9226-21cat07:35:002
27413991714,2cyclictest3394-21apache_volume10:15:142
27413991714,2cyclictest32060-21apache_volume08:15:112
27413991714,2cyclictest14741-21/usr/sbin/munin08:40:132
27413991714,2cyclictest14149-21cat11:30:162
2741399171,1cyclictest2681-21cat09:15:182
2741399171,15cyclictest28-21ksoftirqd/211:40:162
2741399171,15cyclictest28-21ksoftirqd/210:30:122
2741399171,15cyclictest271rcuc/208:10:182
2741399171,15cyclictest0-21swapper/211:05:132
2741399171,15cyclictest0-21swapper/208:50:172
2741399170,2cyclictest769-21/usr/sbin/munin07:20:182
2741399170,16cyclictest993-21dbus-daemon12:30:182
2741399170,16cyclictest6522-21ntp_states11:15:192
2741399170,16cyclictest6265-21taskset12:15:112
2741399170,16cyclictest27973-21cstates07:10:132
2741399170,16cyclictest271rcuc/208:45:122
2741399170,16cyclictest23793-21ls10:50:142
2741399170,16cyclictest11691-21missed_timers11:25:162
2741399170,15cyclictest0-21swapper/210:30:012
2741299175,12cyclictest0-21swapper/109:17:041
27412991716,1cyclictest21-21ksoftirqd/109:32:471
27412991715,1cyclictest0-21swapper/111:29:161
27412991714,2cyclictest7549-21grep12:15:171
27412991714,2cyclictest3423-21nfsd411:10:191
27412991714,2cyclictest27216-21pzem09:00:191
27412991714,2cyclictest26700-21https10:00:021
27412991714,2cyclictest21889-21expr10:45:181
27412991714,2cyclictest19164-21ntp_states07:50:181
27412991714,2cyclictest18354-21basename12:35:161
27412991714,2cyclictest16662-21chrt10:35:221
27412991714,2cyclictest14824-21ls09:35:211
27412991714,2cyclictest12172-21/usr/sbin/munin10:30:121
27412991714,2cyclictest1100-21snmpd09:53:001
2741299171,15cyclictest32632-21apt-get12:05:131
2741299171,15cyclictest28528-21latency_hist11:00:001
2741299170,2cyclictest7152-21if_enp1s010:20:181
2741299170,2cyclictest4713-21netstat12:10:161
2741299170,2cyclictest32099-21sort11:05:151
2741299170,2cyclictest30438-21expr12:00:131
2741299170,2cyclictest29954-21apache_processe10:05:121
2741299170,2cyclictest20183-21nfsd411:40:171
2741299170,2cyclictest16444-21ntp_states07:45:171
2741299170,2cyclictest14087-21cat11:30:171
2741299170,2cyclictest12120-21expr08:35:141
2741299170,16cyclictest5100-21/usr/sbin/munin11:15:121
2741299170,16cyclictest4831-21chrt08:21:071
2741299170,16cyclictest4290-21sh10:15:161
2741299170,16cyclictest31632-21grep07:15:191
2741299170,16cyclictest31632-21grep07:15:191
2741299170,16cyclictest29445-21cron12:00:001
2741299170,16cyclictest19588-21ls10:40:241
2741299170,16cyclictest19051-21mailstats08:45:221
2741299170,16cyclictest17953-21cat11:35:221
2741299170,16cyclictest16157-21cstates09:40:111
2741299170,16cyclictest1523-21lxd07:34:421
2741299170,16cyclictest1516-21lxd10:14:431
2741299170,16cyclictest15040-21df12:30:111
2741299170,16cyclictest14741-21/usr/sbin/munin08:40:121
2741299170,16cyclictest14293-21latency_hist12:30:011
27411991715,1cyclictest0-21swapper/009:10:150
27411991715,1cyclictest0-21swapper/008:25:130
27411991715,1cyclictest0-21swapper/008:07:410
27411991714,2cyclictest685-21ls07:20:010
27411991714,2cyclictest685-21ls07:20:010
27411991714,2cyclictest6593-21cstates10:20:150
27411991714,2cyclictest4099-21H222:10:210
27411991714,2cyclictest29236-21ls11:00:120
27411991714,2cyclictest24676-21cat08:55:240
27411991714,2cyclictest21773-21/usr/sbin/munin07:55:180
27411991714,2cyclictest2007-21systemd-journal10:18:480
27411991714,2cyclictest19729-21idleruntime11:40:140
27411991714,2cyclictest17590-21pzem_energy11:35:210
27411991714,2cyclictest11777-21apt-key08:35:020
2741199171,15cyclictest7623-21kernelversion07:30:200
2741199170,2cyclictest4099-21H222:10:210
2741199170,2cyclictest32176-21fschecks_time11:05:160
2741199170,2cyclictest21820-21grep11:45:140
2741199170,16cyclictest7875-21apache_accesses11:20:110
2741199170,16cyclictest6496-21tr12:15:130
2741199170,16cyclictest6024-21awk09:20:180
2741199170,16cyclictest4257-21sed11:10:220
2741199170,16cyclictest28800-21sed07:10:170
2741199170,16cyclictest26322-21cat10:55:140
2741199170,16cyclictest20299-21switchtime09:45:210
2741199170,16cyclictest17609-21apache_volume12:35:130
2741199170,16cyclictest14747-21nvmesmart_nvme011:30:190
2741199170,16cyclictest1377-21lxd08:32:420
2741199170,16cyclictest13711-21ntp_states07:40:200
2741199170,16cyclictest11302-21cron12:25:000
2741199170,16cyclictest10860-21fschecks_count09:30:170
2741199170,16cyclictest0-21swapper/009:25:130
2741199170,15cyclictest0-21swapper/010:50:180
27413991614,1cyclictest28-21ksoftirqd/209:40:032
27413991614,1cyclictest28-21ksoftirqd/209:20:152
27413991614,1cyclictest0-21swapper/207:45:122
2741399160,1cyclictest14097-21ls07:40:232
2741399160,15cyclictest28-21ksoftirqd/207:15:162
2741399160,15cyclictest28-21ksoftirqd/207:15:162
2741399160,15cyclictest2520-21apache_volume08:20:112
2741399160,15cyclictest0-21swapper/212:05:142
2741399160,15cyclictest0-21swapper/210:20:152
2741399160,15cyclictest0-21swapper/210:10:062
2741399160,15cyclictest0-21swapper/209:10:142
27412991614,1cyclictest3450-21gsd-color09:25:061
27412991614,1cyclictest0-21swapper/111:20:161
27412991614,1cyclictest0-21swapper/109:10:171
27412991614,1cyclictest0-21swapper/107:40:201
27412991614,1cyclictest0-21swapper/107:25:121
27412991613,2cyclictest29172-21expr11:00:111
27412991613,2cyclictest24679-21ntp_states10:50:191
2741299160,2cyclictest23289-21cstates08:55:161
2741299160,15cyclictest843-21systemd-network09:20:011
2741299160,15cyclictest455-21plymouthd08:05:111
2741299160,15cyclictest24891-21if_enp1s009:55:151
2741299160,15cyclictest21816-21tr11:45:151
2741299160,15cyclictest10804-21ntp_states07:35:191
2741299160,15cyclictest0-21swapper/108:15:141
2741299160,15cyclictest0-21swapper/108:00:141
2741299160,15cyclictest0-21swapper/107:20:231
27411991614,1cyclictest25652-21postgres09:00:080
27411991614,1cyclictest0-21swapper/012:10:140
27411991614,1cyclictest0-21swapper/011:25:090
27411991614,1cyclictest0-21swapper/010:25:150
27411991614,1cyclictest0-21swapper/010:05:150
27411991614,1cyclictest0-21swapper/008:40:150
27411991614,1cyclictest0-21swapper/008:10:130
27411991612,3cyclictest14499-21snapd10:35:240
2741199160,2cyclictest3324-21cron07:25:010
2741199160,2cyclictest19081-21mailstats08:45:210
2741199160,1cyclictest0-21swapper/008:25:010
2741199160,15cyclictest12079-21expr12:25:130
2741199160,15cyclictest0-21swapper/012:05:110
2741199160,15cyclictest0-21swapper/012:00:120
2741199160,15cyclictest0-21swapper/011:15:160
2741199160,15cyclictest0-21swapper/010:45:230
2741199160,15cyclictest0-21swapper/010:40:200
2741199160,15cyclictest0-21swapper/009:35:170
2741199160,15cyclictest0-21swapper/009:15:150
2741199160,15cyclictest0-21swapper/007:35:210
2741199160,15cyclictest0-21swapper/007:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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