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2026-09-04 - 12:59
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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 Fri Sep 04, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
516921290,2sleep20-21swapper/223:25:132
2133921250,3sleep32867199cyclictest23:00:413
2636821180,4sleep22867099cyclictest22:12:182
1257721160,2sleep10-21swapper/122:22:271
28354210732,46sleep10-21swapper/119:09:181
328021050,1sleep03272-21bash22:30:240
1467021050,1sleep00-21swapper/022:54:290
1467021050,1sleep00-21swapper/022:54:280
1754821000,3sleep02866899cyclictest00:21:140
194772980,2sleep00-21swapper/000:30:070
245732910,2sleep224569-21bash21:39:522
86242890,2sleep18623-21sshd23:16:501
290462880,2sleep329029-21sshd23:18:413
260162860,1sleep20-21swapper/222:41:012
2813228533,48sleep30-21swapper/319:06:403
76612830,2sleep17660-21bash00:06:001
300902830,2sleep330089-21sshd21:37:173
266552830,1sleep126649-21sshd23:50:291
243942830,2sleep324390-21sshd21:27:433
192442830,1sleep019227-21sshd22:46:030
15122830,3sleep02866899cyclictest22:01:220
271362820,3sleep22867099cyclictest21:34:042
320062810,3sleep02866899cyclictest00:11:000
290062810,1sleep00-21swapper/022:44:110
191802810,2sleep20-21swapper/223:32:262
37172800,2sleep33716-21bash00:25:463
272582800,1sleep00-21swapper/021:37:020
237682790,2sleep10-21swapper/123:20:591
224752790,2sleep20-21swapper/200:36:022
95822780,3sleep30-21swapper/300:03:213
91362780,2sleep22024-21nfsd23:22:362
90702780,1sleep00-21swapper/021:44:110
286422780,2sleep10-21swapper/123:33:181
256142780,5sleep10-21swapper/122:58:181
173372780,4sleep12866999cyclictest22:51:381
173372780,4sleep12866999cyclictest22:51:381
113222780,2sleep30-21swapper/323:55:003
183032770,2sleep30-21swapper/323:20:293
93852740,1sleep20-21swapper/200:11:542
122292740,2sleep30-21swapper/300:32:193
194132730,2sleep10-21swapper/121:33:181
80092720,1sleep30-21swapper/300:06:023
72252680,1sleep30-21swapper/321:14:403
2810226132,11sleep20-21swapper/219:06:202
20432520,2sleep12039-21cp22:27:161
94092470,0sleep09408-21id21:26:150
2821224234,4sleep00-21swapper/019:07:290
199152400,0sleep319914-21sshd22:28:583
274992370,0sleep127500-21bash23:59:141
57822330,31sleep1144650irq/27-eth023:45:331
315142320,4sleep10-21swapper/121:28:251
262352320,2sleep30-21swapper/321:57:403
221322300,5sleep32867199cyclictest21:48:153
53142290,27sleep3144650irq/27-eth000:14:283
324542292,25sleep3144650irq/27-eth022:04:233
158312290,4sleep12866999cyclictest00:12:291
129882290,1sleep00-21swapper/022:16:460
81122260,0sleep00-21swapper/023:02:270
205272260,1sleep020524-21sshd22:06:070
188932260,2sleep20-21swapper/221:18:282
183702250,3sleep30-21swapper/322:43:143
163942251,22sleep1144650irq/27-eth023:29:211
141502250,2sleep114149-21sshd21:53:341
273592240,1sleep10-21swapper/100:36:301
227202230,1sleep30-21swapper/322:46:223
95892210,18sleep3144650irq/27-eth023:45:553
32972210,3sleep10-21swapper/121:11:261
28669992116,4cyclictest814-21sshd21:58:211
139112210,19sleep1144650irq/27-eth022:37:041
139112210,19sleep1144650irq/27-eth022:37:031
62492201,17sleep3144650irq/27-eth023:37:003
2867099202,10cyclictest33-21ksoftirqd/221:20:092
28670992015,3cyclictest9987-21sshd21:12:022
28670992015,3cyclictest19792-21sshd22:57:472
2866999200,15cyclictest29549-21sshd22:49:531
277642200,0sleep00-21swapper/023:12:490
264682200,2sleep126470-21sshd23:12:421
228522200,18sleep228950irq/26-ahci[00022:35:032
228522200,18sleep228950irq/26-ahci[00022:35:032
189612200,1sleep20-21swapper/200:09:582
55672190,3sleep12023-21nfsd00:25:571
223072190,2sleep322305-21sshd22:58:013
203732190,17sleep3144650irq/27-eth021:51:013
290112180,2sleep228998-21sshd00:33:502
28671991813,4cyclictest2132-21sshd21:16:253
28671991810,3cyclictest0-21swapper/323:29:293
2867099183,6cyclictest28963-21sshd23:15:442
2867099183,14cyclictest6660-21sshd22:33:362
2867099181,15cyclictest12106-21sshd23:49:132
28669991813,4cyclictest11326-21sshd21:44:241
2866999180,6cyclictest13125-21sshd23:43:251
2866899180,13cyclictest0-21swapper/023:58:530
2867199178,3cyclictest26713-21sshd22:38:123
2867199178,3cyclictest26713-21sshd22:38:123
2867199173,1cyclictest0-21swapper/322:21:413
2867199172,0cyclictest0-21swapper/323:08:483
28671991712,3cyclictest0-21swapper/321:00:003
28671991711,4cyclictest26449-21sshd00:22:033
28671991710,6cyclictest0-21swapper/321:34:383
2867199170,12cyclictest29152-21bash23:10:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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