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2026-03-21 - 16:42
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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 Sat Mar 21, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11955992411,7cyclictest16292-21proxymap08:11:360
1195599232,1cyclictest0-21swapper/008:16:460
1195599230,2cyclictest31322-21chrt10:32:340
1195799220,21cyclictest843-21systemd-network09:55:592
1195599221,16cyclictest1274-21runrttasks10:10:120
1195599220,2cyclictest5458-21ps11:40:180
1195599220,2cyclictest29795-21tune2fs07:40:140
1195599220,2cyclictest12631-21chrt09:01:440
1195599220,21cyclictest22601-21interrupts09:20:160
1195599220,21cyclictest15420-21/usr/sbin/munin12:00:130
1195599220,16cyclictest3703-21irqstats10:40:160
1195599220,16cyclictest29659-21latency_hist09:35:010
1195699210,20cyclictest843-21systemd-network12:14:071
11955992114,6cyclictest18238-21cat07:20:130
11955992114,6cyclictest18238-21cat07:20:130
1195599210,2cyclictest31413-21sendmail_mailqu09:35:200
1195599210,2cyclictest31292-21chrt12:27:500
1195599210,1cyclictest25373-21expr11:20:130
1195599210,1cyclictest0-21swapper/012:15:100
1195599210,1cyclictest0-21swapper/011:25:220
1195599210,1cyclictest0-21swapper/008:50:160
1195599210,1cyclictest0-21swapper/008:10:010
1195599210,16cyclictest5942-21cat10:45:130
1195599210,16cyclictest22331-21nfsd410:15:170
1195599210,16cyclictest15482-21fschecks_count10:05:150
1195599210,15cyclictest0-21swapper/012:05:040
1195599210,15cyclictest0-21swapper/010:00:220
1195599210,15cyclictest0-21swapper/009:15:170
1195599210,15cyclictest0-21swapper/008:45:010
1195599210,15cyclictest0-21swapper/007:25:210
1195699205,14cyclictest0-21swapper/109:05:231
1195699200,19cyclictest843-21systemd-network10:50:061
1195699200,17cyclictest0-21swapper/109:41:131
11955992014,5cyclictest4320-21grep07:50:200
11955992014,5cyclictest26099-21perf10:25:010
11955992014,5cyclictest16749-21snapd07:48:030
11955992014,5cyclictest0-21swapper/011:50:170
11955992014,5cyclictest0-21swapper/011:10:010
11955992014,5cyclictest0-21swapper/009:05:130
11955992014,5cyclictest0-21swapper/008:00:130
11955992013,6cyclictest15202-21smartctl11:00:180
11955992013,6cyclictest0-21swapper/008:30:200
11955992012,7cyclictest22953-21/usr/sbin/munin11:15:160
11955992011,8cyclictest863-21avahi-daemon10:50:200
1195599200,1cyclictest0-21swapper/011:45:160
1195599200,1cyclictest0-21swapper/011:38:590
1195599200,1cyclictest0-21swapper/011:30:140
1195599200,1cyclictest0-21swapper/008:55:210
1195599200,19cyclictest0-21swapper/010:55:220
1195599200,19cyclictest0-21swapper/009:45:180
1195599200,19cyclictest0-21swapper/009:25:140
1195599200,19cyclictest0-21swapper/007:35:140
1195599200,15cyclictest20985-21/usr/sbin/munin08:20:160
1195599200,15cyclictest13986-21ntp_states11:55:180
1195599200,15cyclictest0-21swapper/009:14:400
1195599200,14cyclictest0-21swapper/007:55:020
1195799192,1cyclictest0-21swapper/208:59:002
1195799190,18cyclictest843-21systemd-network11:50:252
1195799190,18cyclictest843-21systemd-network10:01:392
1195799190,18cyclictest0-21swapper/210:33:042
1195699197,11cyclictest0-21swapper/110:45:341
11956991917,1cyclictest0-21swapper/108:59:001
11956991916,2cyclictest22347-21tr11:15:121
11955991914,5cyclictest0-21swapper/011:10:230
11955991914,4cyclictest0-21swapper/012:30:220
11955991914,4cyclictest0-21swapper/007:30:160
1195599190,1cyclictest0-21swapper/010:35:120
1195599190,1cyclictest0-21swapper/007:15:080
1195599190,1cyclictest0-21swapper/007:10:180
1195599190,18cyclictest0-21swapper/012:35:010
1195599190,18cyclictest0-21swapper/012:20:160
1195599190,18cyclictest0-21swapper/009:50:130
1195599190,18cyclictest0-21swapper/009:42:070
1195599190,0cyclictest0-21swapper/009:55:140
1195599190,0cyclictest0-21swapper/008:47:190
11957991815,2cyclictest21552-21idleruntime07:25:162
1195799181,15cyclictest0-21swapper/208:50:182
1195799180,2cyclictest4099-21H222:10:212
1195799180,17cyclictest3981-21H222:10:212
1195799180,16cyclictest3983-21H222:10:212
1195799180,16cyclictest14635-21nfsd409:05:182
1195699182,2cyclictest5577-21if_lxdbr008:50:171
1195699182,15cyclictest0-21swapper/109:39:121
11956991816,1cyclictest286992chrt10:28:501
11956991816,1cyclictest21-21ksoftirqd/111:55:001
11956991816,1cyclictest10135-21/usr/sbin/munin08:00:211
11956991815,2cyclictest23811-21chrt09:22:341
11956991814,3cyclictest16748-21snapd08:35:041
1195699181,2cyclictest0-21swapper/112:25:181
1195699180,17cyclictest870-21systemd-logind12:31:521
1195699180,17cyclictest870-21systemd-logind10:36:521
1195699180,17cyclictest843-21systemd-network12:17:131
1195699180,17cyclictest3991-21H222:10:211
1195699180,17cyclictest20835-21nvmesmart_nvme011:10:191
1195699180,16cyclictest3987-21H222:10:211
1195699180,16cyclictest15945-21lxd07:52:441
11955991813,4cyclictest0-21swapper/012:10:130
11955991812,5cyclictest28604-21seq10:27:370
11955991812,5cyclictest0-21swapper/008:38:590
1195599180,0cyclictest0-21swapper/008:29:040
11957991715,1cyclictest17209-21fschecks_time11:05:132
11957991714,2cyclictest30985-21latency_hist08:40:012
11957991714,2cyclictest25972-21chrt10:23:472
11957991714,2cyclictest25051-21pzem_power07:30:212
11957991714,2cyclictest21721-21tune2fs10:15:152
11957991714,2cyclictest20327-21cpuspeed_turbos08:20:142
11957991714,2cyclictest11984-21ntp_states09:00:182
11957991713,3cyclictest7903-21smtpd07:56:222
1195799171,1cyclictest4429-21irqstats09:45:162
1195799171,14cyclictest0-21swapper/211:15:392
1195799170,2cyclictest5208-21nfsd411:40:172
1195799170,2cyclictest4890-21postgres10:41:222
1195799170,2cyclictest27070-21/usr/sbin/munin08:30:192
1195799170,2cyclictest20911-21chrt09:15:382
1195799170,2cyclictest16745-21snapd08:05:182
1195799170,2cyclictest1522-21lxd11:38:442
1195799170,16cyclictest8219-21date10:50:012
1195799170,16cyclictest3728-21tune2fs07:50:152
1195799170,16cyclictest31640-21munin-run07:45:012
1195799170,16cyclictest29130-21chrt12:25:042
1195799170,16cyclictest22863-21chrt08:25:092
1195799170,16cyclictest1856-21systemd-udevd09:32:512
1195799170,16cyclictest1829-21systemd-journal12:15:002
1195799170,16cyclictest18019-21cstates07:20:132
1195799170,16cyclictest18019-21cstates07:20:122
1195799170,16cyclictest17983-21df_inode08:15:132
1195799170,16cyclictest16536-21nfsd412:00:162
1195799170,16cyclictest13145-21sendmail-mta10:57:282
1195799170,16cyclictest0-21swapper/209:27:162
1195799170,16cyclictest0-21swapper/209:20:172
11956991715,1cyclictest21-21ksoftirqd/107:15:231
11956991715,1cyclictest0-21swapper/111:00:161
11956991714,2cyclictest4274-21cron08:50:001
11956991714,2cyclictest3310-21fschecks_count10:40:141
11956991714,2cyclictest29891-21idleruntime07:40:151
11956991714,2cyclictest28029-21sendmail_mailtr12:20:211
11956991714,2cyclictest25637-21nfsd409:25:201
11956991714,2cyclictest17225-21https08:15:021
1195699171,15cyclictest0-21swapper/110:35:001
1195699170,2cyclictest5360-21sed12:39:001
1195699170,2cyclictest3985-21H222:10:211
1195699170,2cyclictest3053-21systemd-logind11:26:521
1195699170,2cyclictest3053-21systemd-logind07:46:521
1195699170,2cyclictest2872-21systemd-logind08:12:511
1195699170,2cyclictest20106-21mv07:25:011
1195699170,2cyclictest20106-21mv07:25:001
1195699170,2cyclictest1300-21lxd08:30:431
1195699170,2cyclictest12277-21cpuspeed_turbos10:00:151
1195699170,16cyclictest8799-21master09:53:001
1195699170,16cyclictest786-21sshd08:40:451
1195699170,16cyclictest5405-21nvmesmart_nvme011:40:181
1195699170,16cyclictest3981-21H222:10:211
1195699170,16cyclictest3979-21H222:10:211
1195699170,16cyclictest21502-21latency_hist09:20:021
1195699170,16cyclictest21142-21sed08:20:171
1195699170,16cyclictest1980-21nfsd411:35:171
1195699170,16cyclictest16652-21nfsd412:00:171
1195699170,16cyclictest10786-21nvmesmart_nvme009:55:201
1195699170,16cyclictest0-21swapper/111:45:171
11957991614,1cyclictest703-21sed08:40:212
11957991614,1cyclictest12631-21cpu11:55:132
11957991614,1cyclictest0-21swapper/212:15:172
11957991614,1cyclictest0-21swapper/211:25:172
11957991614,1cyclictest0-21swapper/211:10:212
11957991614,1cyclictest0-21swapper/210:50:152
11957991614,1cyclictest0-21swapper/210:10:222
11957991614,1cyclictest0-21swapper/210:05:152
11957991614,1cyclictest0-21swapper/208:10:152
11957991614,1cyclictest0-21swapper/208:00:162
11957991614,1cyclictest0-21swapper/207:35:172
11957991613,2cyclictest16745-21snapd09:10:192
1195799160,1cyclictest7983-21nfsd411:45:162
1195799160,1cyclictest0-21swapper/212:20:202
1195799160,1cyclictest0-21swapper/212:05:032
1195799160,1cyclictest0-21swapper/211:30:062
1195799160,1cyclictest0-21swapper/210:25:172
1195799160,15cyclictest6443-21apt-key09:50:002
1195799160,15cyclictest30952-21sed09:35:172
1195799160,15cyclictest2370-21smartctl08:45:172
1195799160,15cyclictest16386-21latency_hist11:05:012
1195799160,15cyclictest0-21swapper/212:35:002
1195799160,15cyclictest0-21swapper/212:30:152
1195799160,15cyclictest0-21swapper/210:35:202
1195799160,15cyclictest0-21swapper/209:40:132
1195799160,14cyclictest0-21swapper/211:20:182
11956991614,1cyclictest455-21plymouthd10:56:221
11956991614,1cyclictest4150-21fschecks_count09:45:161
11956991614,1cyclictest24464-21fschecks_time10:20:161
11956991614,1cyclictest0-21swapper/111:20:131
11956991614,1cyclictest0-21swapper/108:05:141
11956991613,2cyclictest19314-21sendmail_mailst10:10:191
11956991613,2cyclictest11165-21df09:00:121
1195699161,15cyclictest21-21ksoftirqd/109:31:051
1195699160,2cyclictest27625-21grep07:35:161
1195699160,1cyclictest0-21swapper/110:05:181
1195699160,15cyclictest1515-21lxd12:06:431
1195699160,15cyclictest0-21swapper/111:30:121
1195699160,15cyclictest0-21swapper/110:15:141
1195699160,15cyclictest0-21swapper/109:10:191
1195699160,14cyclictest0-21swapper/107:11:551
1195699150,14cyclictest0-21swapper/111:55:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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