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2026-03-06 - 15:04
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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 Fri Mar 06, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114712980,0sleep411469-21systemd-cgroups10:23:554
306162910,1sleep330617-21grep10:02:483
53142810,0sleep233-21ksoftirqd/209:42:522
262752780,0sleep20-21swapper/209:27:312
317252770,2sleep73114399cyclictest11:39:187
141192710,0sleep70-21swapper/709:39:457
302522530,0sleep00-21swapper/010:08:210
3067925125,9sleep40-21swapper/407:02:564
277452510,2sleep73114399cyclictest10:08:127
80322500,1sleep6686-21dbus-daemon12:00:166
316122500,2sleep73114399cyclictest12:23:557
79412490,1sleep67939-21bash10:12:366
179302490,0sleep50-21swapper/512:15:445
147652490,2sleep114714-21sshd11:29:031
38352480,0sleep50-21swapper/510:08:425
37182480,0sleep40-21swapper/411:43:164
229082480,0sleep20-21swapper/211:05:262
224512480,0sleep10-21swapper/109:34:421
218202480,0sleep121811-21sshd11:14:381
194102480,1sleep519411-21grep12:17:375
194102480,1sleep519411-21grep12:17:375
157042480,0sleep20-21swapper/212:19:182
157042480,0sleep20-21swapper/212:19:182
99732470,1sleep39972-21bash12:05:573
56852470,0sleep70-21swapper/710:14:217
52282470,1sleep09-21ksoftirqd/011:08:040
273812470,0sleep60-21swapper/612:05:046
57862460,0sleep75783-21sshd11:47:117
322462460,1sleep632248-21ntpq10:32:306
207362460,0sleep00-21swapper/010:50:260
258032450,0sleep30-21swapper/311:11:113
220402450,0sleep00-21swapper/012:25:170
138242450,1sleep513819-21sshd10:33:175
209772430,0sleep10-21swapper/110:35:371
118112430,0sleep30-21swapper/310:22:103
74662420,0sleep10-21swapper/109:30:101
64742420,0sleep40-21swapper/409:28:134
3088724229,9sleep70-21swapper/707:05:477
214052420,0sleep10-21swapper/112:04:431
98032410,0sleep00-21swapper/010:25:430
82692410,0sleep08270-21sshd12:13:150
312902410,0sleep7721ktimersoftd/710:58:267
3080624128,9sleep10-21swapper/107:04:451
106592410,0sleep30-21swapper/309:39:333
309892400,0sleep50-21swapper/509:44:245
3068724029,8sleep30-21swapper/307:03:033
3065924029,8sleep60-21swapper/607:02:426
2851824027,9sleep50-21swapper/507:02:175
2832924027,9sleep00-21swapper/007:02:120
218762400,0sleep50-21swapper/509:10:365
216442400,0sleep20-21swapper/211:49:552
53732390,1sleep09-21ksoftirqd/009:52:110
3068623929,7sleep20-21swapper/207:03:022
26522390,0sleep00-21swapper/009:52:030
26522390,0sleep00-21swapper/009:52:030
252942380,0sleep40-21swapper/412:27:214
148982380,0sleep30-21swapper/311:16:083
54672370,0sleep00-21swapper/012:20:360
54672370,0sleep00-21swapper/012:20:360
176062360,0sleep2311rcuc/212:26:552
80972320,0sleep50-21swapper/510:29:175
292392320,0sleep60-21swapper/610:47:126
31139992316,4cyclictest1-21systemd11:32:493
31139992316,4cyclictest1-21systemd11:32:493
3113499225,2cyclictest9-21ksoftirqd/011:26:040
3113499225,1cyclictest9-21ksoftirqd/011:35:220
3113499225,1cyclictest9-21ksoftirqd/011:35:220
284982220,4sleep4481ktimersoftd/409:33:094
3113999219,2cyclictest41-21ksoftirqd/311:20:213
31139992116,3cyclictest41-21ksoftirqd/309:12:453
3113499216,3cyclictest9-21ksoftirqd/009:39:240
209552210,0sleep60-21swapper/609:19:506
101912210,1sleep610189-21grepconf.sh11:27:006
3113999209,1cyclictest41-21ksoftirqd/309:32:463
3113999207,1cyclictest41-21ksoftirqd/312:14:303
3113999205,3cyclictest41-21ksoftirqd/309:17:213
3113499207,1cyclictest9-21ksoftirqd/012:31:080
31134992017,1cyclictest9-21ksoftirqd/011:00:360
3114099190,18cyclictest15584-21kworker/4:112:25:124
3113999198,1cyclictest41-21ksoftirqd/311:02:343
31139991915,3cyclictest41-21ksoftirqd/312:31:033
31139991914,4cyclictest41-21ksoftirqd/310:53:473
31139991914,4cyclictest41-21ksoftirqd/310:40:133
31139991914,3cyclictest41-21ksoftirqd/312:33:483
31139991914,3cyclictest41-21ksoftirqd/311:37:443
31139991914,2cyclictest25347-21cp10:13:373
3113499194,2cyclictest9-21ksoftirqd/011:06:280
3113499193,3cyclictest9-21ksoftirqd/011:51:360
31134991918,1cyclictest9-21ksoftirqd/012:32:190
31134991915,3cyclictest9-21ksoftirqd/009:33:460
31134991915,3cyclictest9-21ksoftirqd/009:25:160
31134991915,1cyclictest9-21ksoftirqd/009:45:510
31134991914,3cyclictest9-21ksoftirqd/010:54:300
31134991910,1cyclictest121rcu_preempt10:37:050
3113499191,3cyclictest131rcu_sched11:46:250
22272190,0sleep10-21swapper/111:45:051
31139991816,1cyclictest41-21ksoftirqd/311:47:403
31139991816,1cyclictest41-21ksoftirqd/311:28:223
31139991816,1cyclictest41-21ksoftirqd/310:23:183
31139991816,1cyclictest41-21ksoftirqd/309:59:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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