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2026-09-07 - 16:37
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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 Sep 07, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236021250,1sleep32927799cyclictest10:42:293
1840221100,0sleep118401-21id12:23:131
212472980,2sleep221242-21sshd11:37:222
88052960,2sleep10-21swapper/110:58:341
63402940,2sleep10-21swapper/109:55:231
34122860,2sleep30-21swapper/310:35:083
2899328532,49sleep30-21swapper/307:09:453
2876228532,49sleep10-21swapper/107:06:511
45072840,2sleep14505-21sshd11:27:321
255492820,2sleep30-21swapper/311:49:343
22982820,1sleep32297-21bash12:36:433
49132810,2sleep30-21swapper/311:39:243
41772810,0sleep00-21swapper/010:31:360
20592810,3sleep20-21swapper/211:27:122
248002800,3sleep20-21swapper/210:04:492
9772790,2sleep10-21swapper/109:29:131
192832770,0sleep00-21swapper/009:31:050
19982760,3sleep32927799cyclictest10:54:163
267302750,1sleep126731-21sshd09:54:141
197642750,1sleep30-21swapper/309:34:493
88852740,2sleep38884-21bash10:14:083
239062730,1sleep10-21swapper/109:13:591
188732720,2sleep10-21swapper/112:35:051
319832710,1sleep12927599cyclictest10:09:331
300722710,1sleep30-21swapper/310:57:213
163172700,2sleep10-21swapper/110:14:581
230292670,3sleep22927699cyclictest10:12:072
169022640,3sleep32927799cyclictest11:29:063
302402620,0sleep00-21swapper/012:09:230
2698226032,4sleep00-21swapper/007:05:060
2885225936,9sleep20-21swapper/207:08:012
77852570,0sleep00-21swapper/009:52:090
61122360,2sleep36111-21bash10:20:453
53052360,0sleep35306-21sshd12:02:283
233152340,1sleep023313-21seq10:15:330
156402330,0sleep00-21swapper/010:03:430
95912300,3sleep30-21swapper/312:06:493
212102300,1sleep00-21swapper/010:52:330
272972280,2sleep327298-21id12:20:243
148482280,5sleep22927699cyclictest11:24:532
114782280,1sleep011421-21sshd12:26:020
94172270,1sleep02927299cyclictest11:24:100
60632270,2sleep20-21swapper/211:50:542
47422270,2sleep34739-21bash09:55:173
142512270,4sleep30-21swapper/311:51:593
129782270,2sleep112969-21sshd09:16:121
72212260,1sleep20-21swapper/212:06:312
300202260,4sleep22927699cyclictest10:49:502
276932250,2sleep327692-21bash09:39:303
268332250,1sleep026830-21bash09:21:270
254802250,0sleep00-21swapper/012:16:280
273702240,2sleep227374-21id12:39:462
224092230,3sleep10-21swapper/109:31:261
275092220,1sleep10-21swapper/111:14:531
242302220,3sleep30-21swapper/310:45:103
105852220,2sleep110584-21sshd12:14:571
103672220,1sleep00-21swapper/011:59:280
2927699214,11cyclictest2675-21bash10:31:252
2927299210,1cyclictest29236-21bash10:49:430
262062210,19sleep1144650irq/27-eth011:07:251
96812190,0sleep39677-21rm12:14:513
299222190,17sleep228950irq/26-ahci[00009:18:132
29276991916,2cyclictest13610-21sshd12:18:482
29276991910,7cyclictest4584-21bash12:10:102
2927599190,14cyclictest0-21swapper/110:40:021
189302191,16sleep3144650irq/27-eth011:17:293
135832190,3sleep32927799cyclictest10:32:393
87712180,16sleep3144650irq/27-eth012:18:163
43162180,1sleep30-21swapper/310:17:063
303342181,15sleep3144650irq/27-eth010:27:283
29276991813,3cyclictest0-21swapper/209:31:172
29275991812,4cyclictest7852-21sshd11:01:551
2927599180,13cyclictest18506-21sshd12:15:401
231332180,0sleep00-21swapper/009:13:540
228282180,16sleep1144650irq/27-eth011:45:161
2927699174,9cyclictest15888-21sshd09:41:512
2927699174,9cyclictest15888-21sshd09:41:512
2927699174,3cyclictest24078-21sshd11:10:442
2927699171,14cyclictest33-21ksoftirqd/209:14:182
2927699170,13cyclictest27945-21sshd11:34:222
2927699170,10cyclictest0-21swapper/211:16:442
2927599170,15cyclictest0-21swapper/110:32:321
2927599170,11cyclictest0-21swapper/110:25:151
2927299177,2cyclictest0-21swapper/009:29:360
189092170,0sleep041ktimersoftd/009:49:570
2927799168,4cyclictest19165-21sshd09:42:153
2927799168,4cyclictest19165-21sshd09:42:153
2927799160,7cyclictest0-21swapper/307:52:263
2927799160,14cyclictest0-21swapper/309:50:483
2927799160,12cyclictest3485-21sshd11:12:033
2927699166,6cyclictest7504-21sshd11:55:092
2927699165,10cyclictest36-21rcuop/210:26:002
2927699165,10cyclictest23329-21sshd10:56:352
2927699165,10cyclictest0-21swapper/209:47:052
2927699163,5cyclictest19392-21bash12:31:232
29276991613,2cyclictest17694-21sshd11:03:002
29276991611,4cyclictest16990-21sshd10:07:362
29276991610,5cyclictest144650irq/27-eth009:35:592
29276991610,4cyclictest22675-21sshd09:50:162
2927699160,9cyclictest4722-21sshd11:05:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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