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2026-04-19 - 05:22
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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 Sun Apr 19, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
395921200,1sleep33960-21sshd22:21:043
2965721140,3sleep22492399cyclictest23:39:292
1138921130,3sleep22492399cyclictest22:39:182
24478210033,46sleep30-21swapper/319:07:443
318562980,2sleep30-21swapper/300:02:183
309202980,0sleep00-21swapper/021:55:080
2439129732,44sleep10-21swapper/119:06:501
263322930,3sleep32492499cyclictest21:39:443
188622900,2sleep218856-21sshd23:05:392
203182870,2sleep20-21swapper/200:19:162
117642870,4sleep12492299cyclictest23:30:101
23282840,2sleep12325-21sshd22:14:091
159332840,2sleep20-21swapper/222:22:232
98092820,0sleep00-21swapper/022:28:380
206792820,1sleep30-21swapper/322:26:173
13882820,2sleep30-21swapper/322:41:353
288902810,6sleep30-21swapper/322:01:483
51152800,1sleep10-21swapper/123:22:051
192052800,2sleep20-21swapper/221:49:372
80372790,4sleep12492299cyclictest21:44:381
109532790,2sleep210939-21sshd23:00:342
108312790,0sleep00-21swapper/000:22:070
143812770,1sleep30-21swapper/321:41:493
139482770,0sleep00-21swapper/021:41:460
61602760,0sleep00-21swapper/022:17:560
270162760,1sleep10-21swapper/100:31:261
239302750,2sleep30-21swapper/322:54:503
3132730,0sleep2315-21bash21:36:552
170972720,2sleep20-21swapper/200:00:302
284452710,3sleep32492499cyclictest23:54:463
282782710,0sleep00-21swapper/021:46:420
300762670,2sleep10-21swapper/122:48:351
241942670,2sleep10-21swapper/121:50:121
50412620,1sleep02492199cyclictest00:36:540
114432620,4sleep32492499cyclictest22:18:313
2437225933,13sleep20-21swapper/219:06:352
2455025633,11sleep00-21swapper/019:08:370
67872320,2sleep02492199cyclictest19:40:130
137532320,30sleep1144650irq/27-eth022:25:321
66372310,28sleep3144650irq/27-eth022:56:193
295652310,28sleep2144650irq/27-eth000:24:392
182182300,5sleep22492399cyclictest00:27:022
36272290,2sleep10-21swapper/122:21:011
187152292,24sleep3144650irq/27-eth021:57:173
271862270,0sleep00-21swapper/021:54:400
219692260,2sleep30-21swapper/300:12:083
76622251,22sleep2144650irq/27-eth021:59:352
258132250,1sleep125812-21bash23:58:031
175562250,2sleep317554-21sshd23:16:303
319912220,2sleep231980-21iostat21:40:152
275302222,18sleep1144650irq/27-eth023:28:031
236632220,1sleep30-21swapper/323:38:433
63272210,2sleep10-21swapper/121:59:261
62482210,2sleep30-21swapper/300:06:593
166232212,17sleep3144650irq/27-eth023:01:203
229202200,3sleep122909-21sshd21:10:451
229202200,3sleep122909-21sshd21:10:441
126022200,1sleep012598-21sshd23:26:160
45592190,2sleep14556-21sshd22:35:081
2492299190,6cyclictest831-21id23:03:281
2492199194,2cyclictest807-21kworker/0:022:55:110
210122190,2sleep321010-21sshd00:15:253
118082190,1sleep211807-21sshd23:52:352
299032180,3sleep02492199cyclictest23:14:190
299032180,3sleep02492199cyclictest23:14:180
2492499180,13cyclictest0-21swapper/321:53:523
24923991814,3cyclictest23129-21sshd22:01:062
2492299187,6cyclictest0-21swapper/121:35:121
204962180,0sleep00-21swapper/022:12:350
37152170,15sleep1144650irq/27-eth000:25:221
2492499179,4cyclictest29097-21bash23:10:173
2492499179,4cyclictest29097-21bash23:10:163
2492499170,5cyclictest0-21swapper/322:14:023
2492499170,16cyclictest0-21swapper/323:43:293
2492299177,9cyclictest2079-21sshd00:16:561
2492299176,4cyclictest26777-21sshd22:55:071
2492299172,13cyclictest4038-21sshd21:15:331
2492299170,15cyclictest0-21swapper/123:44:201
24921991713,1cyclictest0-21swapper/023:38:380
2492199170,16cyclictest3741-21cat21:30:230
2492199170,12cyclictest3560-21sshd00:10:130
2492199170,12cyclictest0-21swapper/020:40:140
231122170,15sleep1144650irq/27-eth021:21:361
217212170,1sleep20-21swapper/200:35:002
82992160,14sleep1144650irq/27-eth022:42:231
316082160,14sleep2144650irq/27-eth022:55:302
2492499163,12cyclictest17883-21sshd21:13:443
2492499163,12cyclictest17883-21sshd21:13:433
24924991612,3cyclictest1780-21id23:25:133
2492499160,3cyclictest0-21swapper/300:35:123
2492499160,3cyclictest0-21swapper/300:22:543
2492499160,14cyclictest6622-21sshd22:49:333
2492499160,11cyclictest5586-21diskstats22:35:133
2492399164,3cyclictest9153-21sshd23:45:112
2492399163,5cyclictest30258-21sshd23:58:342
24923991613,2cyclictest14545-21bash21:20:292
24923991613,2cyclictest10504-21sshd22:18:252
24923991611,4cyclictest20779-21sshd22:47:342
2492399160,5cyclictest422-21jbd2/dm-0-800:35:332
2492399160,4cyclictest20664-21sshd22:09:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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