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2026-05-04 - 03:32
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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 Mon May 04, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
353721220,1sleep10-21swapper/121:21:511
2266021090,0sleep00-21swapper/023:11:060
259682960,3sleep2169599cyclictest21:20:322
46382950,3sleep30-21swapper/323:12:423
213282920,2sleep10-21swapper/100:27:251
182332910,1sleep018237-21bash21:40:570
279232890,3sleep20-21swapper/223:43:262
321212870,2sleep32024-21nfsd00:20:503
127582860,2sleep22512-21runrttasks22:14:412
127582860,2sleep22512-21runrttasks22:14:412
63452850,2sleep10-21swapper/121:39:501
94172840,1sleep20-21swapper/221:57:062
54002840,2sleep15402-21nfsd423:55:191
134528432,48sleep10-21swapper/119:08:581
130628417,38sleep30-21swapper/319:08:293
134252830,2sleep20-21swapper/221:12:132
93992820,2sleep29397-21tr22:50:202
146792820,1sleep20-21swapper/222:04:412
146792820,1sleep20-21swapper/222:04:402
203562810,2sleep20-21swapper/222:22:472
32902800,3sleep1169199cyclictest21:53:051
193072800,4sleep2169599cyclictest00:08:072
33542780,2sleep30-21swapper/321:25:463
243352770,2sleep124333-21sshd22:52:161
70762750,3sleep0168399cyclictest23:02:010
217872750,1sleep021777-21sshd00:34:570
15962750,2sleep11593-21sshd23:08:431
143392750,2sleep32024-21nfsd21:15:403
8572740,2sleep30-21swapper/321:42:383
128832740,1sleep30-21swapper/300:03:433
98172730,0sleep00-21swapper/023:05:410
293202720,2sleep20-21swapper/223:58:092
207572720,1sleep20-21swapper/223:03:302
51022700,0sleep10-21swapper/123:44:291
240552700,1sleep10-21swapper/100:04:571
12822670,0sleep00-21swapper/023:33:180
133126432,12sleep20-21swapper/219:08:472
100412630,3sleep1169199cyclictest23:48:501
122525633,11sleep00-21swapper/019:07:300
6192340,0sleep00-21swapper/023:51:220
223332340,2sleep30-21swapper/322:48:123
130802340,2sleep113081-21basename23:10:111
153152310,29sleep2144650irq/27-eth000:11:282
118902280,3sleep211891-21bash21:47:082
76852260,0sleep00-21swapper/022:43:120
134562260,0sleep00-21swapper/022:55:030
100052260,1sleep010004-21sshd00:03:240
168399251,4cyclictest23727-21sshd23:21:320
79762240,0sleep37975-21sshd00:25:553
193272240,2sleep30-21swapper/323:49:593
231102230,21sleep228950irq/26-ahci[00023:39:182
193272230,0sleep319326-21sshd21:37:443
169599234,10cyclictest25346-21bash22:15:532
169599230,10cyclictest8502-21sshd00:33:132
168399230,12cyclictest0-21swapper/000:26:130
136232230,1sleep10-21swapper/121:57:331
122622230,0sleep312259-21sshd22:00:523
122622230,0sleep312259-21sshd22:00:523
199482220,2sleep30-21swapper/321:30:553
169599226,3cyclictest0-21swapper/219:50:182
169599222,10cyclictest0-21swapper/223:11:422
168399222,14cyclictest0-21swapper/000:20:160
168399220,15cyclictest0-21swapper/022:22:250
168399220,15cyclictest0-21swapper/022:05:230
155212220,1sleep1169199cyclictest22:11:291
155212220,1sleep1169199cyclictest22:11:281
147922220,2sleep20-21swapper/223:49:272
52702210,2sleep10-21swapper/122:03:381
52702210,2sleep10-21swapper/122:03:381
168399215,7cyclictest14496-21kworker/0:223:46:060
168399210,8cyclictest7068-21bash22:00:200
168399210,8cyclictest7068-21bash22:00:200
168399210,17cyclictest0-21swapper/019:47:310
168399210,17cyclictest0-21swapper/019:47:300
168399210,15cyclictest0-21swapper/022:28:020
93572202,16sleep2144650irq/27-eth022:33:062
298712200,2sleep10-21swapper/123:54:351
194672200,0sleep10-21swapper/121:27:311
1691992018,1cyclictest0-21swapper/123:02:551
168399202,12cyclictest8-21rcu_preempt21:45:160
168399200,7cyclictest0-21swapper/021:32:540
168399200,6cyclictest0-21swapper/021:23:030
168399200,16cyclictest0-21swapper/021:36:000
168399200,15cyclictest0-21swapper/021:55:160
168399200,15cyclictest0-21swapper/000:11:200
168399200,14cyclictest9332-21sshd00:06:480
168399200,14cyclictest0-21swapper/000:39:140
23412190,2sleep30-21swapper/322:16:553
184402190,1sleep30-21swapper/323:03:153
169599192,15cyclictest144650irq/27-eth023:24:282
169599191,9cyclictest24313-21sshd23:07:242
168399190,6cyclictest0-21swapper/021:11:060
168399190,3cyclictest0-21swapper/022:12:460
168399190,3cyclictest0-21swapper/022:12:460
168399190,17cyclictest0-21swapper/019:20:160
168399190,14cyclictest0-21swapper/021:15:230
168399190,13cyclictest21231-21sshd23:39:030
168399190,13cyclictest0-21swapper/022:52:540
83812180,16sleep2144650irq/27-eth022:07:212
48132180,16sleep2144650irq/27-eth023:26:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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