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2026-04-25 - 16:11
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Sat Apr 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
125489911724,52cyclictest721-21dbus-daemon11:19:045
294432990,0sleep7711rcuc/710:53:127
197142820,1sleep019708-21sshd11:16:440
12556997232,0cyclictest0-21swapper/611:19:036
12521996563,2cyclictest1844-21nfsd11:19:032
1256499640,63cyclictest1325-21kworker/7:511:19:047
59822590,0sleep60-21swapper/609:48:406
59822590,0sleep60-21swapper/609:48:406
1185925626,15sleep70-21swapper/707:05:147
288242550,0sleep60-21swapper/609:40:396
68412500,0sleep10-21swapper/112:15:321
68412500,0sleep10-21swapper/112:15:321
299452500,0sleep50-21swapper/510:56:555
199312490,0sleep40-21swapper/410:24:424
114202490,1sleep111367-21sshd11:51:371
315912480,0sleep20-21swapper/210:21:362
20642470,0sleep40-21swapper/411:28:494
20642470,0sleep40-21swapper/411:28:494
127132470,8sleep213550irq/24-ahci[00012:38:152
122352470,0sleep10-21swapper/111:12:361
239712460,0sleep40-21swapper/412:03:334
138232460,1sleep313821-21sshd09:41:403
1226524624,8sleep50-21swapper/507:08:245
223862450,1sleep022379-21sshd09:16:140
54112440,0sleep60-21swapper/610:49:596
202082440,1sleep449-21ksoftirqd/411:35:224
151082440,0sleep30-21swapper/311:12:463
12902440,0sleep6641ktimersoftd/609:31:426
50202430,0sleep70-21swapper/710:14:367
242952430,0sleep60-21swapper/609:23:496
130312430,0sleep00-21swapper/010:11:160
42782420,0sleep10-21swapper/112:35:501
272992420,1sleep11-21systemd11:32:071
176852420,0sleep20-21swapper/209:27:052
170542420,0sleep6641ktimersoftd/612:16:096
170542420,0sleep6641ktimersoftd/612:16:096
122632420,1sleep125-21ksoftirqd/109:52:431
111282420,1sleep773-21ksoftirqd/712:34:287
50282410,0sleep10-21swapper/110:25:351
50282410,0sleep10-21swapper/110:25:351
310902410,2sleep21252199cyclictest09:59:252
264042410,0sleep20-21swapper/212:18:372
264042410,0sleep20-21swapper/212:18:372
251552410,0sleep30-21swapper/309:57:103
247192410,0sleep10-21swapper/110:11:571
177482410,0sleep60-21swapper/609:14:126
1235324129,8sleep60-21swapper/607:09:376
1228124129,9sleep10-21swapper/107:08:361
1206124129,8sleep00-21swapper/007:05:310
1140824128,9sleep40-21swapper/407:05:114
306002400,0sleep60-21swapper/611:47:096
268782400,0sleep60-21swapper/612:09:206
1205324029,8sleep30-21swapper/307:05:263
252072390,0sleep00-21swapper/009:14:380
222842390,0sleep322259-21sshd11:48:353
239552380,0sleep20-21swapper/207:29:502
1213923827,8sleep20-21swapper/207:06:372
41912370,2sleep11251399cyclictest11:27:021
41912370,2sleep11251399cyclictest11:27:021
12513993736,1cyclictest19128-21kworker/1:411:19:041
198382360,0sleep60-21swapper/610:26:286
198382360,0sleep60-21swapper/610:26:286
164072360,2sleep51254899cyclictest11:10:565
1253199250,24cyclictest0-21swapper/311:19:043
303662230,19sleep213550irq/24-ahci[00010:17:512
12540992322,0cyclictest0-21swapper/411:19:044
1250599233,6cyclictest26921-21cp11:30:100
1250599223,5cyclictest14417-21bash10:44:530
1250599222,5cyclictest14453-21bash10:28:040
1250599222,5cyclictest14453-21bash10:28:040
1250599220,8cyclictest0-21swapper/009:30:040
1250599213,5cyclictest30164-21sshd09:35:100
1250599212,3cyclictest1-21systemd10:55:310
1250599211,7cyclictest0-21swapper/009:42:470
1250599211,5cyclictest27747-21bash12:29:500
1251399205,1cyclictest25-21ksoftirqd/112:06:271
12513992016,1cyclictest25-21ksoftirqd/109:19:551
12513992015,3cyclictest25-21ksoftirqd/109:27:531
1250599203,6cyclictest32524-21id11:47:160
1250599202,4cyclictest6981-21bash10:18:220
1250599202,4cyclictest614-21sshd09:59:320
1250599202,4cyclictest16840-21bash12:06:500
1250599202,3cyclictest4437-21sshd10:09:000
1250599200,2cyclictest0-21swapper/012:15:280
1250599200,2cyclictest0-21swapper/012:15:280
213242190,0sleep721317-21sshd10:06:117
12556991916,2cyclictest65-21ksoftirqd/610:19:326
12556991915,3cyclictest65-21ksoftirqd/612:30:116
12556991914,3cyclictest65-21ksoftirqd/610:22:576
1255699190,4cyclictest121rcu_preempt11:33:596
1251399195,1cyclictest25-21ksoftirqd/110:04:531
1251399192,1cyclictest25-21ksoftirqd/112:03:401
1251399190,18cyclictest15989-21kworker/1:010:41:181
1250599193,5cyclictest8414-21grep12:38:000
1250599193,3cyclictest8208-21grepconf.sh10:20:120
1250599192,7cyclictest19640-21sshd11:35:200
1250599192,7cyclictest17936-21/usr/sbin/munin12:20:040
1250599192,5cyclictest721-21dbus-daemon12:14:070
1250599192,5cyclictest721-21dbus-daemon11:23:590
1250599192,5cyclictest721-21dbus-daemon11:23:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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