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2026-01-12 - 04:18
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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 Mon Jan 12, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2514921510,1sleep225148-21sshd23:54:592
165121290,3sleep02082499cyclictest21:29:390
387821180,3sleep32082799cyclictest23:24:353
1625621180,3sleep22082699cyclictest21:48:232
2037329433,57sleep10-21swapper/119:07:341
209132920,0sleep00-21swapper/022:40:510
293442890,3sleep12082599cyclictest00:37:381
150582870,2sleep10-21swapper/121:51:401
249822850,2sleep20-21swapper/222:06:362
155102840,4sleep12082599cyclictest23:43:201
14162840,2sleep20-21swapper/200:06:212
119802840,2sleep30-21swapper/322:08:453
246722830,2sleep30-21swapper/322:24:003
285212820,2sleep328518-21sshd23:30:363
2041928134,43sleep30-21swapper/319:08:073
3152800,3sleep02082499cyclictest22:56:070
3152800,3sleep02082499cyclictest22:56:070
231732800,1sleep10-21swapper/122:48:101
90792790,1sleep20-21swapper/221:37:142
327512790,1sleep10-21swapper/100:27:241
260322790,1sleep20-21swapper/200:16:032
68902780,3sleep02082499cyclictest00:17:330
56612780,3sleep02082499cyclictest00:13:570
317362770,1sleep131726-21sshd00:16:421
288702770,2sleep20-21swapper/223:37:442
15012770,0sleep03-21ksoftirqd/000:10:000
2029027632,12sleep20-21swapper/219:06:312
133012760,1sleep00-21swapper/022:50:300
133012760,1sleep00-21swapper/022:50:300
49242750,2sleep10-21swapper/122:35:401
281332750,1sleep32439-21runrttasks21:42:433
174162750,2sleep317415-21sshd23:01:273
161482750,1sleep30-21swapper/322:33:293
136812750,2sleep313679-21sshd00:32:233
119162740,0sleep00-21swapper/023:56:580
200402730,2sleep10-21swapper/122:51:151
200402730,2sleep10-21swapper/122:51:151
326252720,1sleep30-21swapper/322:56:063
326252720,1sleep30-21swapper/322:56:063
261562720,1sleep00-21swapper/000:26:390
214702720,0sleep00-21swapper/023:36:540
169762690,0sleep00-21swapper/023:50:240
13102660,2sleep32439-21runrttasks00:38:083
119212630,2sleep20-21swapper/222:22:332
2029826136,13sleep00-21swapper/019:06:360
260502600,1sleep30-21swapper/300:12:373
177562600,3sleep12082599cyclictest22:19:491
291592350,21sleep3137550irq/27-eth021:15:203
152352350,2sleep30-21swapper/323:43:183
5562320,30sleep3137550irq/27-eth000:20:223
44472320,30sleep1137550irq/27-eth021:33:211
67162290,2sleep20-21swapper/222:42:542
56272290,0sleep00-21swapper/000:31:280
114992290,9sleep20-21swapper/200:21:322
74512280,26sleep1137550irq/27-eth000:10:301
269942270,2sleep226990-21sshd23:58:402
229152260,1sleep00-21swapper/022:30:380
86702240,2sleep20-21swapper/222:15:172
322402240,1sleep10-21swapper/100:30:501
275982240,4sleep22082699cyclictest00:26:492
2082499240,11cyclictest10-21rcuc/023:45:240
79212230,4sleep22082699cyclictest22:56:572
79212230,4sleep22082699cyclictest22:56:572
53892230,2sleep35386-21sshd21:33:263
269382230,4sleep32082799cyclictest22:27:403
2082499237,2cyclictest0-21swapper/000:00:140
159972230,21sleep1137550irq/27-eth023:32:511
82992220,1sleep00-21swapper/022:15:150
239352220,2sleep123934-21sshd22:44:501
2082499227,14cyclictest0-21swapper/023:34:050
248732210,0sleep00-21swapper/000:23:020
2082499215,7cyclictest5969-21perf21:00:010
2082499210,1cyclictest4543-21bash22:11:190
2082499210,13cyclictest0-21swapper/023:13:240
67172200,2sleep16715-21sshd00:06:561
2082699203,13cyclictest0-21swapper/222:32:182
20826992014,4cyclictest11526-21latency21:20:172
2082499208,4cyclictest23293-21sshd21:35:170
2082499200,4cyclictest0-21swapper/022:37:130
2082499200,19cyclictest4345-21sshd22:46:030
18182200,18sleep3137550irq/27-eth022:49:243
284462190,0sleep30-21swapper/321:29:023
260742190,1sleep12082599cyclictest22:27:331
219002190,17sleep1137550irq/27-eth023:01:581
2082699193,5cyclictest0-21swapper/222:26:102
20826991912,2cyclictest0-21swapper/221:52:282
2082499195,4cyclictest0-21swapper/021:49:420
2082499195,13cyclictest3-21ksoftirqd/023:40:430
2082499194,14cyclictest8-21rcu_preempt22:26:300
2082499193,6cyclictest3-21ksoftirqd/021:12:120
20824991912,3cyclictest12490-21sshd23:25:240
2082499190,9cyclictest0-21swapper/021:55:240
2082499190,2cyclictest21010-21sshd00:36:410
2082499190,18cyclictest0-21swapper/021:52:590
2082499190,15cyclictest0-21swapper/021:23:200
2082499190,14cyclictest0-21swapper/021:41:190
171172190,17sleep1137550irq/27-eth022:12:451
116972190,17sleep2137550irq/27-eth023:04:272
218962180,0sleep30-21swapper/300:26:103
2082699186,7cyclictest2822-21rm23:27:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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