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2026-08-07 - 10:11
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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 Fri Aug 07, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3106225846,8sleep50-21swapper/519:05:115
153912580,0sleep30-21swapper/323:01:003
95712570,0sleep70-21swapper/722:58:407
173552570,0sleep00-21swapper/022:43:430
71132540,0sleep30-21swapper/300:04:033
3100825442,8sleep70-21swapper/719:04:257
7242530,0sleep00-21swapper/023:59:520
207202510,0sleep30-21swapper/321:57:413
35202490,0sleep70-21swapper/700:21:137
253032490,0sleep70-21swapper/722:51:517
64022480,0sleep00-21swapper/022:04:340
73942470,0sleep60-21swapper/621:53:036
317242470,1sleep031720-21sshd23:27:000
3082024725,8sleep00-21swapper/019:01:540
133262470,1sleep313313-21bash22:01:093
185562460,0sleep318551-21sshd00:06:353
93892450,0sleep79383-21sshd23:14:097
81462450,0sleep70-21swapper/723:17:547
70632450,1sleep09-21ksoftirqd/021:20:220
136472450,0sleep10-21swapper/121:49:381
190282440,0sleep019027-21sshd23:16:350
184162440,1sleep418396-21sshd23:56:594
36912430,0sleep10-21swapper/121:43:131
3110024330,9sleep30-21swapper/319:05:413
31712420,0sleep50-21swapper/521:54:465
282522420,0sleep30-21swapper/321:35:063
218322420,0sleep40-21swapper/422:40:114
140032420,0sleep00-21swapper/021:32:150
98442410,0sleep60-21swapper/623:27:386
316732410,1sleep3721-21dbus-daemon00:28:383
3104524129,8sleep60-21swapper/619:04:566
3084224128,9sleep40-21swapper/419:02:144
209022410,0sleep20-21swapper/221:07:102
184782410,2sleep13132899cyclictest23:43:351
134562410,0sleep40-21swapper/423:00:534
112232410,0sleep60-21swapper/621:12:516
276672400,0sleep40-21swapper/421:40:524
276672400,0sleep40-21swapper/421:40:524
180202400,0sleep10-21swapper/121:30:401
142392400,2sleep03132099cyclictest22:58:570
139382400,0sleep20-21swapper/221:57:162
53472390,0sleep50-21swapper/500:03:575
238272390,0sleep40-21swapper/421:23:144
3096423827,8sleep10-21swapper/119:03:471
3081323827,8sleep20-21swapper/219:01:472
182352380,0sleep40-21swapper/421:55:414
193532370,2sleep33134399cyclictest23:36:003
183952370,0sleep20-21swapper/223:22:212
90262320,0sleep20-21swapper/222:12:212
31355992915,1cyclictest49-21ksoftirqd/422:26:164
3135599248,3cyclictest49-21ksoftirqd/422:50:514
31355992412,3cyclictest49-21ksoftirqd/423:40:594
31355992314,3cyclictest49-21ksoftirqd/422:11:004
31355992314,3cyclictest49-21ksoftirqd/422:11:004
31355992312,3cyclictest49-21ksoftirqd/421:46:394
243772230,0sleep11841-21nfsd23:07:151
3135599228,4cyclictest49-21ksoftirqd/421:14:394
3135599228,1cyclictest49-21ksoftirqd/400:08:124
3135599226,3cyclictest49-21ksoftirqd/421:28:424
3135599217,2cyclictest49-21ksoftirqd/423:52:154
3135599216,1cyclictest49-21ksoftirqd/423:05:064
3135599216,1cyclictest49-21ksoftirqd/423:05:064
3135599215,2cyclictest49-21ksoftirqd/400:18:444
31355992116,1cyclictest49-21ksoftirqd/422:22:164
31355992113,3cyclictest49-21ksoftirqd/423:49:494
31355992111,3cyclictest49-21ksoftirqd/422:04:264
31355992111,2cyclictest49-21ksoftirqd/422:51:334
31355992111,1cyclictest49-21ksoftirqd/422:42:124
3135599209,3cyclictest49-21ksoftirqd/400:05:044
3135599208,3cyclictest49-21ksoftirqd/423:09:314
3135599208,1cyclictest49-21ksoftirqd/423:25:024
3135599207,3cyclictest49-21ksoftirqd/400:26:214
3135599207,1cyclictest49-21ksoftirqd/422:16:014
3135599205,3cyclictest49-21ksoftirqd/421:41:394
3135599204,3cyclictest49-21ksoftirqd/423:26:114
31355992016,3cyclictest49-21ksoftirqd/423:17:444
31355992011,3cyclictest49-21ksoftirqd/423:42:504
31355992010,3cyclictest49-21ksoftirqd/422:34:554
3135599201,3cyclictest2817-21cp22:19:444
3135599197,3cyclictest49-21ksoftirqd/423:15:394
3135599196,3cyclictest49-21ksoftirqd/423:31:294
3135599195,3cyclictest49-21ksoftirqd/421:33:104
3135599195,3cyclictest49-21ksoftirqd/400:33:304
3135599195,1cyclictest49-21ksoftirqd/400:21:524
3135599193,2cyclictest49-21ksoftirqd/421:19:064
31355991910,1cyclictest49-21ksoftirqd/421:59:474
31355991910,1cyclictest49-21ksoftirqd/400:14:034
266532190,0sleep20-21swapper/222:23:032
31371991816,1cyclictest65-21ksoftirqd/622:16:236
3135599180,1cyclictest9457-21sshd21:08:444
3135599171,1cyclictest30365-21latency_hist20:01:014
31320991712,2cyclictest26777-21sshd23:11:190
305812170,0sleep20-21swapper/222:42:332
290232170,1sleep773-21ksoftirqd/700:13:047
188852170,0sleep09-21ksoftirqd/021:15:170
31371991615,1cyclictest65-21ksoftirqd/622:40:276
31371991615,1cyclictest65-21ksoftirqd/622:00:176
31363991614,1cyclictest57-21ksoftirqd/500:30:385
31335991615,1cyclictest33-21ksoftirqd/223:57:152
31335991615,1cyclictest33-21ksoftirqd/222:34:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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