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2026-04-21 - 03:08
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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 21, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
570521380,3sleep02235899cyclictest00:25:090
1138721260,2sleep211383-21sshd22:15:162
21980210834,44sleep10-21swapper/119:08:281
243762880,3sleep20-21swapper/222:48:052
236862860,0sleep023683-21sshd21:38:340
9932850,1sleep00-21swapper/021:15:300
67882850,2sleep26786-21sshd21:19:372
231992850,1sleep323204-21sshd00:20:003
257212840,2sleep225711-21sshd23:51:372
2187928433,46sleep30-21swapper/319:07:133
150882840,5sleep10-21swapper/123:08:201
38932820,1sleep00-21swapper/000:03:250
303032820,0sleep00-21swapper/023:48:430
295872800,3sleep10-21swapper/122:59:271
95652790,1sleep10-21swapper/123:14:581
95652790,1sleep10-21swapper/123:14:571
24552790,1sleep041ktimersoftd/022:00:230
213222790,2sleep10-21swapper/121:21:001
91082780,2sleep19100-21sshd00:32:361
167352760,1sleep016726-21sshd21:34:170
14552760,1sleep00-21swapper/023:06:510
117762750,2sleep20-21swapper/221:44:092
151612740,2sleep315162-21sshd21:51:153
43172730,2sleep32236199cyclictest23:56:163
6562720,2sleep20-21swapper/222:34:592
24902720,1sleep30-21swapper/322:03:553
88212690,3sleep30-21swapper/321:43:513
311002670,65sleep228950irq/26-ahci[00023:03:092
36312650,4sleep13625-21sshd21:50:091
161602640,4sleep22236099cyclictest00:11:452
33752610,3sleep32236199cyclictest21:22:353
227982590,3sleep12235999cyclictest21:17:511
268862580,3sleep12235999cyclictest22:37:471
2201625833,13sleep20-21swapper/219:08:572
2190024632,11sleep00-21swapper/019:07:260
175572400,0sleep117558-21bash00:37:081
280302380,0sleep128029-21bash23:16:501
262622360,3sleep30-21swapper/300:12:583
200492330,30sleep3144650irq/27-eth022:19:423
124682322,27sleep3144650irq/27-eth022:11:563
124622300,2sleep012458-21bash22:46:480
64232290,2sleep26421-21sshd21:53:522
231642290,6sleep12235999cyclictest22:13:051
39952260,24sleep1144650irq/27-eth022:04:051
325592260,2sleep232558-21sshd00:28:002
8242250,5sleep30-21swapper/322:20:573
190092250,2sleep10-21swapper/100:08:311
184912250,23sleep3144650irq/27-eth023:19:293
236812240,22sleep3144650irq/27-eth022:06:043
122742240,22sleep3144650irq/27-eth023:25:433
287892230,2sleep30-21swapper/300:20:273
200092230,3sleep10-21swapper/122:23:041
28092220,2sleep10-21swapper/122:49:171
260312220,2sleep30-21swapper/300:30:413
221392220,1sleep00-21swapper/000:30:180
215842223,17sleep1144650irq/27-eth022:19:531
131202220,1sleep20-21swapper/200:18:462
12512220,1sleep20-21swapper/221:56:512
115662220,1sleep30-21swapper/300:04:163
107952220,1sleep02235899cyclictest00:22:090
92822210,2sleep10-21swapper/123:25:221
253032210,19sleep1144650irq/27-eth022:30:341
22360992117,3cyclictest19729-21sshd22:50:592
189622210,2sleep218963-21sshd22:22:562
2236099204,3cyclictest5889-21bash22:14:452
2235899204,3cyclictest0-21swapper/022:14:100
2235899204,11cyclictest10505-21sshd22:15:120
2235899203,16cyclictest13988-21sshd22:54:110
22358992012,7cyclictest0-21swapper/023:25:140
169562200,0sleep00-21swapper/021:44:440
151762200,18sleep1144650irq/27-eth000:01:031
257242190,17sleep1144650irq/27-eth022:06:171
2235899193,3cyclictest2024-21nfsd22:37:240
2235899191,5cyclictest22962-21sshd23:40:510
133382190,2sleep213322-21sshd22:57:312
88292180,16sleep328950irq/26-ahci[00023:32:203
50412180,16sleep3144650irq/27-eth021:19:273
48232180,16sleep1144650irq/27-eth021:57:171
46122181,15sleep1144650irq/27-eth021:26:021
22360991814,3cyclictest2024-21nfsd00:07:362
2235899185,3cyclictest23876-21idleruntime-cro23:55:000
2235899184,13cyclictest5013-21sshd00:06:590
2235899184,12cyclictest28300-21sshd21:45:470
2235899184,12cyclictest12507-21sshd23:15:140
2235899183,13cyclictest27754-21sshd21:25:100
2235899182,5cyclictest17194-21sshd00:11:530
2235899182,2cyclictest0-21swapper/022:25:450
2235899181,5cyclictest0-21swapper/021:57:440
22358991811,6cyclictest16323-21sshd22:05:190
121492180,16sleep1144650irq/27-eth021:13:241
22361991712,4cyclictest28231-21bash22:27:313
2236099175,1cyclictest9167-21ntp_states00:00:212
2235999171,14cyclictest0-21swapper/123:35:011
2235899175,10cyclictest15575-21sshd21:20:250
2235899174,7cyclictest4341-21sshd22:24:580
2235899174,4cyclictest31315-21sshd23:10:060
2235899174,4cyclictest31315-21sshd23:10:060
2235899174,4cyclictest30865-21sshd22:31:110
2235899174,3cyclictest28787-21sshd21:11:400
2235899173,13cyclictest14447-21sshd22:40:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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