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2026-05-05 - 19:55
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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 May 05, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2278121220,3sleep0400299cyclictest10:40:130
1055321210,0sleep210554-21sshd12:03:382
3539210733,44sleep10-21swapper/107:07:191
309222990,1sleep30-21swapper/312:28:083
309222990,1sleep30-21swapper/312:28:083
37492880,3sleep20-21swapper/211:14:172
276362880,2sleep20-21swapper/209:44:132
237552840,0sleep00-21swapper/010:33:280
372728231,42sleep30-21swapper/307:09:293
307722820,2sleep230775-21id12:16:252
244922820,0sleep00-21swapper/009:40:210
96572790,2sleep025-21rcuop/112:21:480
64192790,0sleep041ktimersoftd/010:38:290
301412790,1sleep10-21swapper/112:01:581
187272790,3sleep3401599cyclictest11:30:573
270802780,2sleep127073-21sshd12:15:591
198592780,0sleep00-21swapper/012:34:250
187982780,2sleep10-21swapper/111:42:101
314192770,1sleep10-21swapper/111:58:011
253722750,2sleep225373-21bash12:27:312
253722750,2sleep225373-21bash12:27:312
9542740,3sleep1952-21sshd09:10:381
21742740,0sleep22175-21bash10:41:232
157072720,2sleep315704-21sshd10:18:323
8632710,2sleep1860-21bash10:27:361
8632710,2sleep1860-21bash10:27:361
178802710,1sleep10-21swapper/111:01:231
222022690,2sleep322201-21sshd09:16:163
124872680,2sleep30-21swapper/310:25:173
124872680,2sleep30-21swapper/310:25:173
199602660,0sleep00-21swapper/011:23:580
225832650,4sleep2401199cyclictest09:29:592
101432640,0sleep00-21swapper/011:37:390
225842620,2sleep222579-21cp11:39:032
357725733,13sleep00-21swapper/007:07:460
346525732,12sleep20-21swapper/207:06:242
96072380,2sleep041ktimersoftd/010:10:560
116662340,2sleep00-21swapper/008:35:200
82112310,4sleep30-21swapper/309:45:263
282152290,1sleep00-21swapper/010:16:210
400299270,18cyclictest6311-21sshd09:59:160
231202270,2sleep12132-21sshd09:43:441
125962271,24sleep2144650irq/27-eth007:26:352
106962270,4sleep20-21swapper/210:17:592
298342250,2sleep30-21swapper/312:24:283
293182250,22sleep2144650irq/27-eth011:02:522
172522250,0sleep00-21swapper/011:01:170
150632250,1sleep015061-21sshd09:15:300
400299245,11cyclictest28182-21sshd10:05:520
293332241,21sleep228950irq/26-ahci[00010:09:352
232182240,3sleep20-21swapper/210:01:282
400299237,1cyclictest0-21swapper/008:32:070
400299237,1cyclictest0-21swapper/008:32:070
400299231,2cyclictest0-21swapper/009:27:370
119642230,1sleep211963-21bash11:15:092
400299223,2cyclictest18270-21sshd09:36:120
400299223,14cyclictest32605-21unixbench_multi11:25:230
400299221,6cyclictest0-21swapper/012:06:530
400299220,4cyclictest2066-21nscd11:12:010
400299220,18cyclictest0-21swapper/011:59:580
325872220,2sleep20-21swapper/211:43:592
272082220,2sleep10-21swapper/111:47:031
237442220,0sleep00-21swapper/010:58:320
202552220,2sleep30-21swapper/311:01:403
155402220,2sleep315538-21sshd09:39:253
88052210,2sleep18802-21bash09:59:351
400299213,13cyclictest16938-21cp09:49:530
400299212,1cyclictest0-21swapper/010:51:000
400299211,2cyclictest0-21swapper/012:27:440
400299211,2cyclictest0-21swapper/012:27:440
400299211,15cyclictest0-21swapper/012:15:120
400299211,15cyclictest0-21swapper/012:10:090
400299210,5cyclictest11170-21sshd09:52:460
400299210,4cyclictest30401-21sshd10:20:080
400299210,3cyclictest0-21swapper/010:48:190
223742210,2sleep10-21swapper/109:19:481
91392200,18sleep2144650irq/27-eth010:21:132
400299208,10cyclictest27450-21hddtemp_smartct09:20:150
400299203,4cyclictest2022-21nfsd11:05:220
400299203,2cyclictest23975-21sshd11:50:130
400299201,5cyclictest0-21swapper/012:02:050
400299201,3cyclictest0-21swapper/010:25:160
400299201,3cyclictest0-21swapper/010:25:160
400299200,5cyclictest0-21swapper/010:04:490
400299200,4cyclictest0-21swapper/011:45:130
400299200,2cyclictest14912-21bash11:15:220
400299200,2cyclictest14759-21munin-node07:30:220
400299200,2cyclictest0-21swapper/011:31:120
400299200,18cyclictest8524-21bash09:31:480
400299200,18cyclictest0-21swapper/009:10:120
400299200,13cyclictest642-21bash11:40:100
241722200,2sleep124174-21bash09:36:501
195852200,1sleep20-21swapper/210:36:222
191392200,2sleep20-21swapper/211:49:442
132992200,2sleep20-21swapper/212:33:322
400299190,3cyclictest1133-21sshd12:35:540
400299190,17cyclictest0-21swapper/007:55:180
279232190,2sleep10-21swapper/110:37:181
157102190,17sleep2144650irq/27-eth007:35:132
401199181,13cyclictest27242-21sshd10:26:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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