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2026-04-14 - 08:03
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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 Tue Apr 14, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1995821390,1sleep010-21rcuc/000:18:240
2352921340,1sleep010-21rcuc/022:07:000
564021190,1sleep10-21swapper/100:35:041
986821180,4sleep23040799cyclictest21:33:112
230821180,2sleep22066-21nscd23:30:132
2827121120,2sleep10-21swapper/123:22:221
30004210532,44sleep10-21swapper/119:08:111
509021010,3sleep30-21swapper/319:25:113
222592900,1sleep00-21swapper/000:11:270
274842860,2sleep227479-21sshd00:30:202
160822840,4sleep10-21swapper/100:00:131
163542820,2sleep30-21swapper/321:30:073
308012810,2sleep20-21swapper/221:17:532
2993728133,44sleep30-21swapper/319:07:203
159372800,2sleep10-21swapper/123:42:061
317542790,2sleep10-21swapper/122:26:361
270362790,1sleep227022-21sshd22:14:462
34562770,2sleep23448-21sshd21:43:442
259732770,3sleep03040599cyclictest00:22:490
123802770,2sleep30-21swapper/300:10:213
119312770,3sleep03040599cyclictest21:58:410
129472750,5sleep30-21swapper/321:58:483
260762740,1sleep00-21swapper/023:32:470
209182740,2sleep10-21swapper/123:39:141
202982740,1sleep120297-21sshd22:57:051
40032730,2sleep10-21swapper/100:09:281
33962730,2sleep13395-21sshd21:50:531
197802730,1sleep00-21swapper/022:25:190
3000027233,9sleep20-21swapper/219:08:082
199592720,1sleep30-21swapper/321:10:003
318352710,0sleep00-21swapper/022:37:240
153542710,2sleep03040599cyclictest23:38:360
238872690,2sleep20-21swapper/221:49:432
193722640,1sleep10-21swapper/122:53:371
20032630,1sleep33040899cyclictest23:19:403
257712610,1sleep20-21swapper/221:14:002
2977424033,4sleep00-21swapper/019:05:290
222222350,33sleep3144650irq/27-eth000:29:493
50002330,31sleep3144650irq/27-eth023:59:043
196992312,26sleep2144650irq/27-eth021:23:312
236812300,28sleep1144650irq/27-eth023:00:591
45112280,26sleep3144650irq/27-eth022:41:223
227742270,2sleep20-21swapper/223:14:542
11272270,2sleep11122-21sshd21:46:521
315812260,2sleep20-21swapper/219:10:192
281682260,23sleep3144650irq/27-eth022:03:503
56492250,2sleep35648-21bash00:24:083
56462250,0sleep15633-21sshd22:45:151
308462250,2sleep30-21swapper/321:14:333
3040899240,3cyclictest4564-21sshd21:15:113
3040899240,22cyclictest13305-21sshd23:34:573
228302240,2sleep20-21swapper/223:35:502
157122240,2sleep215709-21bash22:02:292
137042240,22sleep1144650irq/27-eth022:02:171
172652230,2sleep30-21swapper/321:38:013
98982220,1sleep00-21swapper/019:35:140
5712220,3sleep20-21swapper/221:35:552
3040799214,7cyclictest20329-21sshd00:29:342
279152210,19sleep1144650irq/27-eth023:54:251
27242210,2sleep20-21swapper/222:19:242
269122210,1sleep10-21swapper/121:17:271
182402210,2sleep118239-21sshd00:29:181
90512200,2sleep10-21swapper/121:22:201
59612200,1sleep30-21swapper/323:26:533
52992190,2sleep30-21swapper/322:23:383
3040799196,10cyclictest6039-21sshd22:59:042
3040699190,15cyclictest8634-21id23:48:281
3040599198,5cyclictest30987-21fschecks_time19:10:140
101732190,17sleep1144650irq/27-eth022:35:111
3040899180,16cyclictest0-21swapper/321:43:143
3040699180,16cyclictest10169-21ipmitool19:35:161
3040599188,6cyclictest0-21swapper/023:57:090
30405991814,1cyclictest3352-21sshd23:02:180
30405991811,4cyclictest12748-21sshd23:13:420
3040599180,17cyclictest0-21swapper/023:22:480
271092180,2sleep20-21swapper/223:22:162
71372170,15sleep1144650irq/27-eth023:30:421
55012170,1sleep10-21swapper/120:35:201
3040899170,8cyclictest0-21swapper/322:32:293
3040899170,12cyclictest9779-21sshd21:29:203
3040799176,10cyclictest153250irq/28-eth1-rx-00:13:162
3040799172,7cyclictest10619-21bash23:59:412
3040799171,7cyclictest31450-21sshd21:57:182
3040799170,3cyclictest2771-21sshd00:16:162
3040699178,4cyclictest2023-21nfsd00:10:231
3040699172,13cyclictest17848-21sshd21:30:151
3040699170,15cyclictest0-21swapper/122:33:541
3040699170,15cyclictest0-21swapper/121:14:281
30405991712,2cyclictest15220-21munin-node00:25:190
30405991711,5cyclictest0-21swapper/021:39:440
3040599170,14cyclictest0-21swapper/023:54:390
3040599170,12cyclictest0-21swapper/020:06:500
324212160,2sleep10-21swapper/122:44:431
3040899162,5cyclictest32522-21sshd00:05:213
3040899160,4cyclictest20194-21sshd23:14:363
3040899160,3cyclictest0-21swapper/323:40:113
3040899160,12cyclictest0-21swapper/300:33:473
3040799165,10cyclictest153250irq/28-eth1-rx-00:04:372
3040799163,9cyclictest36-21rcuop/222:50:302
3040799163,5cyclictest8236-21sshd23:41:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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