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2026-06-17 - 06:57
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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 Wed Jun 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2132199128109,16cyclictest25-21ksoftirqd/100:30:201
2134299112110,1cyclictest1842-21nfsd00:30:195
269532890,0sleep40-21swapper/421:43:214
166362770,2sleep52134299cyclictest00:05:145
117022770,2sleep22132599cyclictest23:04:082
117022770,2sleep22132599cyclictest23:04:082
2133899690,68cyclictest22945-21kworker/u16:200:30:204
21347996454,9cyclictest0-21swapper/600:30:196
2092425226,9sleep40-21swapper/419:04:434
197342520,1sleep619735-21systemd-cgroups23:58:036
40782510,1sleep64059-21bash21:47:396
148472510,0sleep30-21swapper/300:16:263
173262490,0sleep10-21swapper/122:04:481
156292490,1sleep015628-21grep21:48:140
146702490,1sleep557-21ksoftirqd/522:21:345
276392480,0sleep10-21swapper/100:37:541
20622480,0sleep10-21swapper/121:32:531
153692480,0sleep20-21swapper/200:18:252
319532470,0sleep40-21swapper/421:10:294
180142460,2sleep42133899cyclictest22:49:374
60242450,1sleep4481ktimersoftd/423:32:224
288322450,0sleep10-21swapper/100:13:271
287482450,0sleep40-21swapper/422:18:374
147922450,0sleep00-21swapper/023:32:580
85992440,0sleep70-21swapper/723:42:027
303782440,0sleep60-21swapper/621:52:526
244372440,0sleep40-21swapper/422:55:294
153932440,0sleep70-21swapper/723:36:497
15002440,1sleep11493-21sshd23:57:011
15002440,1sleep11493-21sshd23:57:011
28792430,0sleep60-21swapper/622:59:486
28792430,0sleep60-21swapper/622:59:486
222382430,1sleep722220-21bash21:21:137
2110624230,8sleep70-21swapper/719:07:187
188362420,1sleep341-21ksoftirqd/323:35:013
152212420,0sleep70-21swapper/723:23:207
110792420,2sleep32133099cyclictest22:47:273
50182410,1sleep585250irq/26-em1-tx-023:57:135
50182410,1sleep585250irq/26-em1-tx-023:57:135
48252410,0sleep20-21swapper/223:41:492
28922410,0sleep20-21swapper/223:45:332
223752410,0sleep50-21swapper/522:03:165
2083024129,8sleep30-21swapper/319:03:293
205202410,0sleep40-21swapper/421:28:234
86012400,0sleep50-21swapper/523:02:035
86012400,0sleep50-21swapper/523:02:035
2101524028,8sleep10-21swapper/119:06:001
2091624027,9sleep50-21swapper/519:04:365
201472400,0sleep50-21swapper/523:08:285
1867824028,8sleep20-21swapper/219:02:562
122912400,1sleep712294-21bash00:29:277
70552390,0sleep10-21swapper/123:15:131
21325993929,9cyclictest13550irq/24-ahci[00000:30:192
2113623928,8sleep60-21swapper/619:07:416
2104523927,8sleep00-21swapper/019:06:230
139202390,0sleep10-21swapper/122:56:461
100442380,0sleep6641ktimersoftd/621:20:326
321442370,0sleep40-21swapper/421:21:504
181782370,0sleep30-21swapper/323:29:083
2131399340,33cyclictest32346-21kworker/0:300:30:200
274552330,0sleep70-21swapper/721:43:247
241062310,0sleep20-21swapper/222:40:462
2133099300,29cyclictest22945-21kworker/u16:200:30:203
2134799260,8cyclictest28257-21id21:17:536
2134799230,7cyclictest628-21cp22:46:506
2134799230,6cyclictest1-21systemd21:59:086
2134799230,5cyclictest0-21swapper/600:34:206
274752220,2sleep32133099cyclictest00:21:063
2134799220,9cyclictest31291-21bash00:13:366
2134799220,6cyclictest8754-21bash22:15:346
2134799220,10cyclictest17155-21kill22:38:246
21321992211,1cyclictest131rcu_sched21:57:521
2134799210,7cyclictest5998-21cp23:32:226
2134799210,7cyclictest0-21swapper/623:15:496
2134799210,6cyclictest721-21dbus-daemon21:29:226
2134799210,6cyclictest15120-21systemd-cgroups00:20:226
2134799210,5cyclictest28481-21systemd23:09:026
2134799210,20cyclictest30536-21bash22:18:436
2132199212,2cyclictest25-21ksoftirqd/121:58:031
21321992115,4cyclictest25-21ksoftirqd/121:49:221
2134799200,7cyclictest8956-21sshd22:49:036
2134799200,5cyclictest0-21swapper/621:26:066
2132199207,1cyclictest25-21ksoftirqd/121:14:201
21321992016,3cyclictest25-21ksoftirqd/122:30:141
21321992014,3cyclictest25-21ksoftirqd/100:03:441
12092200,1sleep01202-21sshd22:48:370
21354991913,3cyclictest73-21ksoftirqd/700:15:437
2134799191,5cyclictest694-21nscd23:48:526
2134799190,9cyclictest29843-21grep22:57:426
2134799190,9cyclictest13646-21bash23:34:436
2134799190,8cyclictest721-21dbus-daemon22:09:036
2134799190,8cyclictest29580-21bash00:23:056
2134799190,8cyclictest1-21systemd21:42:206
2134799190,6cyclictest7275-21kill21:11:006
2134799190,6cyclictest17264-21sshd22:23:256
2134799190,10cyclictest3328-21systemd00:12:026
2134799190,10cyclictest19342-21systemd22:31:056
2132199197,3cyclictest25-21ksoftirqd/123:04:041
2132199197,3cyclictest25-21ksoftirqd/123:04:041
2132199197,3cyclictest25-21ksoftirqd/121:41:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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