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2025-10-20 - 10:41
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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 Oct 20, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1434221380,0sleep114343-21sshd21:40:331
1808721360,2sleep20-21swapper/222:27:032
3091921310,1sleep00-21swapper/023:30:300
970021230,3sleep12491299cyclictest23:28:341
970021230,3sleep12491299cyclictest23:28:341
3257221180,2sleep232566-21sshd21:48:312
2462421180,2sleep12491299cyclictest00:20:261
1295221170,2sleep10-21swapper/100:25:501
1718721110,1sleep20-21swapper/200:13:052
1382121110,5sleep013817-21bash00:06:300
1058921090,2sleep30-21swapper/323:16:183
24462210733,61sleep30-21swapper/319:07:333
2073421070,2sleep30-21swapper/321:29:003
1173021040,1sleep08-21rcu_preempt21:46:290
100682970,3sleep32491499cyclictest21:40:143
95222960,2sleep20-21swapper/221:34:042
52952960,2sleep10-21swapper/122:22:461
14582940,2sleep30-21swapper/323:00:033
250672930,2sleep10-21swapper/122:52:551
290822920,1sleep00-21swapper/022:40:360
17932920,2sleep30-21swapper/321:11:453
52892910,2sleep15283-21sshd23:59:331
258262900,2sleep11847-21nfsd22:06:141
109062900,1sleep014734-21kworker/0:021:12:380
10172900,1sleep01019-21bash21:51:380
251572890,3sleep30-21swapper/322:46:363
216452890,1sleep10-21swapper/100:16:441
17572870,0sleep00-21swapper/023:21:400
166282870,2sleep216544-21sshd22:48:592
89732850,4sleep1135650irq/27-eth021:18:401
2460828526,47sleep10-21swapper/119:09:231
183972830,1sleep20-21swapper/223:48:112
15582830,1sleep10-21swapper/121:30:141
34762810,4sleep22491399cyclictest22:44:342
107812810,2sleep310780-21bash23:41:073
267792800,2sleep21959-21sshd23:24:062
98562790,2sleep29841-21sshd23:13:122
241892780,2sleep10-21swapper/123:20:421
169202780,1sleep010-21rcuc/022:45:450
162812780,2sleep30-21swapper/322:58:183
23532770,2sleep30-21swapper/322:19:263
177862770,3sleep32491499cyclictest23:57:343
111672770,3sleep10-21swapper/123:13:191
76822750,3sleep32491499cyclictest22:41:433
13202740,1sleep01311-21df21:30:130
142612730,0sleep00-21swapper/022:26:410
72402720,0sleep00-21swapper/023:56:310
320872720,1sleep20-21swapper/222:31:282
176762720,4sleep12491299cyclictest21:53:151
157922720,4sleep32491499cyclictest00:26:093
290722680,1sleep029070-21sshd00:20:520
81742660,3sleep22491399cyclictest23:00:342
78492660,2sleep10-21swapper/122:29:141
12802640,2sleep20-21swapper/221:27:072
66962630,61sleep226950irq/26-ahci[00023:09:532
53792620,1sleep025450-21kworker/0:223:46:540
2436226131,12sleep20-21swapper/219:06:302
144012610,2sleep10-21swapper/121:22:131
2460726032,4sleep00-21swapper/019:09:220
206302540,1sleep21847-21nfsd22:05:432
86512510,0sleep01848-21nfsd23:53:340
45782410,37sleep1135650irq/27-eth022:01:111
290092350,2sleep30-21swapper/321:45:073
24913993410,19cyclictest33-21ksoftirqd/222:18:512
120332331,27sleep3135650irq/27-eth022:32:423
24911993210,20cyclictest3-21ksoftirqd/023:19:300
24911993112,2cyclictest3-21ksoftirqd/023:10:470
2491199304,20cyclictest3773-21sshd23:06:230
24911993024,5cyclictest41ktimersoftd/022:58:190
24911993012,8cyclictest3-21ksoftirqd/021:25:060
24911993010,18cyclictest3-21ksoftirqd/023:40:270
307232290,2sleep10-21swapper/122:56:321
24914992915,6cyclictest7469-21cp23:28:223
24914992915,6cyclictest7469-21cp23:28:213
24911992914,2cyclictest3-21ksoftirqd/022:34:040
158632290,1sleep215861-21sshd23:16:502
284242280,1sleep228422-21sshd23:55:262
2491199288,5cyclictest3-21ksoftirqd/000:31:440
24911992812,11cyclictest3-21ksoftirqd/022:21:470
123862280,2sleep31847-21nfsd22:01:553
24913992716,9cyclictest135650irq/27-eth000:25:272
2491199273,3cyclictest3-21ksoftirqd/023:25:060
2491199273,3cyclictest3-21ksoftirqd/023:25:060
24911992716,7cyclictest3-21ksoftirqd/000:13:520
238452270,3sleep223846-21sshd21:38:292
238452270,3sleep223846-21sshd21:38:292
172182270,2sleep20-21swapper/223:38:412
24914992615,4cyclictest10950irq/23-ehci_hcd00:17:373
24911992622,3cyclictest21980-21sshd22:09:030
24911992613,12cyclictest3-21ksoftirqd/000:26:370
24911992611,13cyclictest3-21ksoftirqd/021:44:440
184152260,0sleep01848-21nfsd21:19:350
164372260,2sleep30-21swapper/321:16:093
45822250,2sleep31848-21nfsd23:12:423
24913992517,6cyclictest25-21rcuop/121:24:422
24913992515,3cyclictest36-21rcuop/221:56:362
24913992513,4cyclictest33-21ksoftirqd/221:52:492
24913992512,4cyclictest10341-21sshd00:06:082
2491199255,10cyclictest13811-21sshd23:35:130
2491199251,22cyclictest4577-21sshd22:16:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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