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2026-04-20 - 03:49
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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 Mon Apr 20, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2039799147122,1cyclictest49-21ksoftirqd/422:29:144
1062021040,2sleep12038499cyclictest21:16:301
19802970,0sleep40-21swapper/400:25:514
20399998137,21cyclictest65-21ksoftirqd/622:29:146
2039699790,78cyclictest14739-21sshd22:29:133
266852750,2sleep62039999cyclictest22:42:536
182132690,1sleep018162-21sshd21:41:040
20384996867,1cyclictest25-21ksoftirqd/122:29:141
68382590,1sleep46842-21grepconf.sh21:31:064
2002125729,14sleep00-21swapper/019:02:330
92392550,0sleep10-21swapper/119:40:531
201192520,0sleep50-21swapper/523:16:005
92432510,0sleep20-21swapper/221:55:312
277052510,0sleep50-21swapper/522:46:365
247562510,0sleep70-21swapper/723:12:337
230812510,0sleep1686-21dbus-daemon23:18:041
67292500,0sleep00-21swapper/022:49:120
290312500,0sleep60-21swapper/621:54:476
253502500,1sleep449-21ksoftirqd/421:43:244
217262500,0sleep70-21swapper/722:18:277
217262500,0sleep70-21swapper/722:18:277
79062490,1sleep233-21ksoftirqd/221:33:052
277542490,0sleep727750-21sshd00:34:517
46452480,1sleep34638-21bash22:17:273
46452480,1sleep34638-21bash22:17:273
230762480,0sleep40-21swapper/423:36:414
243262470,0sleep70-21swapper/722:59:287
61762460,0sleep26174-21sshd22:04:362
55792460,0sleep70-21swapper/722:45:267
2006724634,8sleep60-21swapper/619:03:116
165012460,0sleep40-21swapper/400:22:544
268112450,1sleep526785-21bash22:22:255
24692450,0sleep50-21swapper/523:09:275
100682450,0sleep60-21swapper/623:19:136
100072450,1sleep09951-21sshd23:15:310
36082440,0sleep60-21swapper/621:34:456
288992440,1sleep028893-21sshd22:31:500
290062430,0sleep30-21swapper/321:45:313
20391994315,27cyclictest0-21swapper/222:29:142
104862430,0sleep10-21swapper/122:04:511
59792420,1sleep05975-21bash23:05:540
2018824229,9sleep20-21swapper/219:04:512
140332420,0sleep60-21swapper/623:04:316
294032410,0sleep10-21swapper/123:31:251
273382410,0sleep00-21swapper/022:09:310
254102410,0sleep10-21swapper/123:40:391
240842410,0sleep50-21swapper/522:29:465
229072410,0sleep422905-21sshd21:58:064
20382994139,2cyclictest4319-21kworker/0:622:29:130
2012924130,8sleep10-21swapper/119:04:021
193582410,0sleep00-21swapper/022:53:360
131282410,0sleep70-21swapper/721:06:597
102262410,0sleep10-21swapper/123:21:001
102262410,0sleep10-21swapper/123:21:001
324092400,0sleep70-21swapper/723:22:187
324092400,0sleep70-21swapper/723:22:187
1994524028,8sleep40-21swapper/419:01:334
1991724028,9sleep70-21swapper/719:01:127
1978524027,9sleep50-21swapper/519:01:025
19742400,0sleep20-21swapper/222:24:472
1777324027,9sleep30-21swapper/319:00:443
95352390,1sleep0797-21sshd21:46:080
79552390,0sleep50-21swapper/523:02:145
33572390,0sleep50-21swapper/523:41:075
268262390,0sleep10-21swapper/100:01:051
128172390,0sleep30-21swapper/300:05:563
250272380,0sleep70-21swapper/723:46:057
117792380,0sleep70-21swapper/722:40:147
78602360,1sleep67859-21sshd00:00:066
242012350,0sleep70-21swapper/723:03:127
270252330,0sleep026999-21sshd23:31:160
106912330,0sleep10-21swapper/122:53:051
2040399300,1cyclictest0-21swapper/722:29:147
2038499256,3cyclictest25-21ksoftirqd/123:49:111
2038499226,2cyclictest25-21ksoftirqd/123:08:461
2038499222,2cyclictest25-21ksoftirqd/121:36:251
312582210,0sleep00-21swapper/022:04:100
20384992118,2cyclictest25-21ksoftirqd/121:56:291
317152200,0sleep40-21swapper/421:38:114
2038499206,1cyclictest25-21ksoftirqd/122:30:551
2038499205,2cyclictest25-21ksoftirqd/123:29:281
20384992016,3cyclictest25-21ksoftirqd/122:48:421
230922190,0sleep10-21swapper/121:28:231
20399991916,1cyclictest65-21ksoftirqd/623:08:276
20397991912,4cyclictest49-21ksoftirqd/422:09:504
2039799190,18cyclictest17466-21kworker/4:423:30:364
2038499198,1cyclictest25-21ksoftirqd/121:45:411
2038499198,1cyclictest25-21ksoftirqd/100:05:571
2038499195,1cyclictest25-21ksoftirqd/122:35:411
20397991816,1cyclictest49-21ksoftirqd/423:56:274
20397991813,4cyclictest16133-21systemd00:19:124
20397991813,3cyclictest49-21ksoftirqd/421:23:474
2038499184,1cyclictest25-21ksoftirqd/122:08:541
2038499183,2cyclictest25-21ksoftirqd/123:14:011
20384991817,1cyclictest1115-21nfsd22:15:211
20384991816,1cyclictest25-21ksoftirqd/123:41:021
20384991816,1cyclictest25-21ksoftirqd/121:42:451
20384991812,4cyclictest25-21ksoftirqd/121:05:541
2038499181,2cyclictest25-21ksoftirqd/121:23:101
210342170,1sleep233-21ksoftirqd/221:41:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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