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2026-05-22 - 19:38
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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 May 22, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2817321030,2sleep146199cyclictest09:16:101
288382940,16sleep685150irq/25-em1-rx-012:13:566
187952820,0sleep20-21swapper/209:44:472
28172710,2sleep348499cyclictest09:54:493
117662560,2sleep650999cyclictest10:54:036
151832530,0sleep10-21swapper/112:00:131
242932510,1sleep524294-21bash10:58:265
109742500,1sleep5721-21dbus-daemon11:36:075
291182480,0sleep629116-21sshd11:00:276
130592480,0sleep00-21swapper/010:39:230
271422460,1sleep627143-21grep11:59:066
183122460,0sleep3758-21runrttasks11:12:423
326392450,0sleep10-21swapper/109:25:311
303912450,0sleep22886-1kworker/2:0H11:22:342
80552440,2sleep348499cyclictest10:28:133
80542440,0sleep20-21swapper/212:05:192
60622440,0sleep40-21swapper/410:28:064
3081024423,17sleep00-21swapper/007:04:060
136392440,0sleep00-21swapper/011:54:360
106982440,0sleep00-21swapper/011:30:330
89722430,0sleep30-21swapper/310:41:023
291662430,1sleep329136-21systemd11:18:513
276972430,0sleep70-21swapper/709:18:017
263222430,0sleep70-21swapper/710:20:007
154762430,0sleep40-21swapper/411:51:034
71842420,0sleep10-21swapper/110:31:471
3260124229,9sleep50-21swapper/507:06:275
323942420,6sleep665-21ksoftirqd/612:04:516
273702420,0sleep00-21swapper/011:44:190
265342420,0sleep00-21swapper/012:30:160
245472420,0sleep20-21swapper/211:47:572
238792420,0sleep7758-21runrttasks12:00:437
107992420,0sleep30-21swapper/312:03:443
93912410,0sleep70-21swapper/711:17:427
3251324129,9sleep20-21swapper/207:05:122
291042410,0sleep70-21swapper/711:55:317
12032410,0sleep10-21swapper/111:31:541
114412410,0sleep20-21swapper/209:57:122
47592400,0sleep70-21swapper/712:18:057
3273524027,9sleep60-21swapper/607:08:136
3255024027,9sleep30-21swapper/307:05:453
170742400,0sleep50-21swapper/509:48:265
135662400,0sleep10-21swapper/109:48:141
325692390,0sleep00-21swapper/012:19:350
3253323928,8sleep40-21swapper/407:05:304
3250323926,9sleep10-21swapper/107:05:031
3030423927,8sleep70-21swapper/707:03:577
156222390,1sleep550099cyclictest11:18:055
112442390,0sleep60-21swapper/610:48:346
112442390,0sleep60-21swapper/610:48:346
204202380,0sleep50-21swapper/512:35:255
307892370,0sleep30-21swapper/311:20:433
48499235,1cyclictest41-21ksoftirqd/312:04:363
484992218,1cyclictest41-21ksoftirqd/310:38:023
470992218,3cyclictest33-21ksoftirqd/212:36:182
484992115,4cyclictest464-21systemd-journal10:52:343
48499203,2cyclictest41-21ksoftirqd/310:31:463
484992016,1cyclictest41-21ksoftirqd/312:23:323
484992015,2cyclictest121rcu_preempt10:01:133
130772200,1sleep513052-21sshd12:09:145
48499198,1cyclictest41-21ksoftirqd/309:23:463
48499194,1cyclictest41-21ksoftirqd/311:43:433
48499192,2cyclictest41-21ksoftirqd/312:09:023
48499192,1cyclictest41-21ksoftirqd/309:34:363
484991913,3cyclictest41-21ksoftirqd/310:46:203
484991913,3cyclictest41-21ksoftirqd/310:46:203
48499190,18cyclictest11695-21kworker/3:210:12:163
46199190,18cyclictest22175-21kworker/1:112:30:441
130212190,1sleep412998-21sshd09:22:384
500991814,1cyclictest57-21ksoftirqd/510:21:515
48499185,1cyclictest41-21ksoftirqd/311:25:463
48499184,1cyclictest41-21ksoftirqd/309:24:323
484991816,1cyclictest41-21ksoftirqd/311:55:343
484991816,1cyclictest41-21ksoftirqd/309:47:093
484991814,1cyclictest41-21ksoftirqd/309:14:243
484991812,3cyclictest41-21ksoftirqd/311:49:113
470991816,1cyclictest33-21ksoftirqd/211:36:232
470991815,3cyclictest33-21ksoftirqd/210:50:562
47099180,2cyclictest131rcu_sched10:35:002
47099180,17cyclictest23859-21kworker/2:412:24:472
517991710,3cyclictest73-21ksoftirqd/710:29:097
500991714,3cyclictest57-21ksoftirqd/511:02:005
500991714,3cyclictest57-21ksoftirqd/509:40:415
48499176,3cyclictest41-21ksoftirqd/312:14:523
48499174,3cyclictest41-21ksoftirqd/311:02:463
484991716,1cyclictest41-21ksoftirqd/310:23:153
484991715,1cyclictest41-21ksoftirqd/312:26:253
484991715,1cyclictest41-21ksoftirqd/311:29:213
484991715,1cyclictest41-21ksoftirqd/311:05:133
484991715,1cyclictest41-21ksoftirqd/310:18:213
484991714,2cyclictest41-21ksoftirqd/310:55:113
484991713,3cyclictest41-21ksoftirqd/312:38:343
484991711,3cyclictest41-21ksoftirqd/309:39:073
48499170,16cyclictest6232-21kworker/3:109:30:593
470991715,2cyclictest33-21ksoftirqd/212:30:202
470991715,1cyclictest33-21ksoftirqd/210:44:022
470991715,1cyclictest33-21ksoftirqd/210:44:022
470991715,1cyclictest33-21ksoftirqd/210:19:072
47099170,14cyclictest12155-21kworker/2:311:03:312
461991715,1cyclictest25-21ksoftirqd/111:43:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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