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2026-04-23 - 01:32
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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 rack5slot0.osadl.org (updated Wed Apr 22, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2708621390,2sleep20-21swapper/209:21:002
2708621390,2sleep20-21swapper/209:21:002
1366521200,2sleep20-21swapper/209:47:492
1753021180,2sleep317528-21sshd09:48:143
1094421050,0sleep08-21rcu_preempt12:25:240
276352960,1sleep22023-21nfsd10:56:532
2721129433,49sleep10-21swapper/107:07:221
164822940,1sleep00-21swapper/009:16:330
164822940,1sleep00-21swapper/009:16:330
86862880,4sleep20-21swapper/211:52:002
2572628825,40sleep30-21swapper/307:05:123
128022870,1sleep012803-21sshd09:40:500
275822860,1sleep00-21swapper/011:11:030
124642850,0sleep20-21swapper/212:25:342
327322840,2sleep232731-21bash10:53:532
241782840,3sleep20-21swapper/209:55:592
176202840,2sleep317619-21sshd11:42:163
321432830,1sleep00-21swapper/010:35:450
198592820,1sleep20-21swapper/212:04:552
188612810,2sleep30-21swapper/311:31:423
43192800,2sleep20-21swapper/210:15:142
294272800,2sleep20-21swapper/209:25:012
294272800,2sleep20-21swapper/209:25:002
286242800,1sleep028623-21sshd09:45:550
159942800,3sleep20-21swapper/210:23:232
268762780,4sleep22769499cyclictest11:58:202
7582770,3sleep22769499cyclictest11:22:312
68142770,1sleep10-21swapper/109:15:301
68142770,1sleep10-21swapper/109:15:301
271882770,2sleep20-21swapper/209:39:032
14602770,2sleep10-21swapper/112:24:331
210432760,1sleep20-21swapper/211:10:202
55652750,3sleep30-21swapper/312:03:193
46612750,2sleep34658-21sshd11:55:263
7962740,2sleep00-21swapper/010:42:540
66362740,2sleep30-21swapper/309:12:123
52522740,2sleep30-21swapper/311:19:123
52522740,2sleep30-21swapper/311:19:123
2539527333,20sleep20-21swapper/207:05:072
159592730,0sleep00-21swapper/011:56:550
294942670,4sleep12769399cyclictest11:36:361
163932670,4sleep12769399cyclictest09:55:131
109382580,2sleep20-21swapper/212:18:212
2606225224,4sleep00-21swapper/007:05:130
204732390,0sleep120475-21id10:02:551
310782360,2sleep30-21swapper/310:04:133
77262310,3sleep10-21swapper/111:19:301
77262310,3sleep10-21swapper/111:19:291
224622310,2sleep122457-21bash12:12:271
32792300,3sleep30-21swapper/309:36:283
158962300,2sleep20-21swapper/210:47:572
81642290,1sleep00-21swapper/012:03:360
278082290,27sleep1144650irq/27-eth010:24:441
53282260,1sleep20-21swapper/210:32:412
172872250,3sleep30-21swapper/310:16:363
68712240,4sleep32769599cyclictest10:29:263
67922240,1sleep041ktimersoftd/012:39:270
326732230,2sleep332676-21latency09:25:183
326732230,2sleep332676-21latency09:25:183
298012220,2sleep10-21swapper/112:05:501
305402210,2sleep330528-21sshd12:35:013
285432210,19sleep1144650irq/27-eth009:32:221
235832210,3sleep10-21swapper/111:10:361
218832210,1sleep20-21swapper/209:52:222
322352200,1sleep20-21swapper/211:26:112
305662200,3sleep30-21swapper/311:07:563
137472200,3sleep32769599cyclictest10:09:263
27695991913,5cyclictest24938-21sshd12:27:003
2769399190,12cyclictest144650irq/27-eth009:20:111
2769399190,12cyclictest144650irq/27-eth009:20:111
256332192,15sleep3144650irq/27-eth012:30:333
9862180,0sleep00-21swapper/010:21:450
50292180,16sleep1144650irq/27-eth009:12:031
310532180,2sleep331051-21sshd11:47:073
2769499185,12cyclictest153250irq/28-eth1-rx-07:23:502
2769499180,16cyclictest16329-21sshd11:09:592
127192181,15sleep1144650irq/27-eth009:51:221
127102180,16sleep1144650irq/27-eth010:51:211
286442170,2sleep20-21swapper/210:38:582
2769599170,3cyclictest0-21swapper/312:22:523
2769499173,9cyclictest32653-21sshd11:47:192
2769499172,2cyclictest0-21swapper/210:09:212
27694991712,4cyclictest9405-21sshd09:40:272
2769499171,15cyclictest4360-21sshd12:39:112
2769499170,9cyclictest25750-21sshd10:14:092
2769499170,12cyclictest20322-21date10:45:012
2769399170,5cyclictest0-21swapper/110:07:171
2769399170,4cyclictest0-21swapper/109:25:231
2769399170,4cyclictest0-21swapper/109:25:231
2769599167,7cyclictest0-21swapper/309:15:203
2769599167,7cyclictest0-21swapper/309:15:203
27695991612,3cyclictest0-21swapper/311:21:543
2769599160,3cyclictest144650irq/27-eth010:49:163
2769599160,14cyclictest6589-21if_eth009:40:143
2769599160,14cyclictest0-21swapper/312:06:043
2769599160,14cyclictest0-21swapper/310:35:023
2769599160,11cyclictest15319-21sshd12:15:113
2769499166,9cyclictest2847-21sshd10:04:442
2769499162,8cyclictest23988-21sshd12:23:272
2769499162,10cyclictest0-21swapper/211:00:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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