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2025-11-20 - 01:31
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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 Wed Nov 19, 2025 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
825921580,4sleep33127199cyclictest09:46:433
211421470,1sleep32103-21sshd12:37:293
2477621380,0sleep124756-21sshd09:10:181
427221370,3sleep23126699cyclictest12:10:192
105321350,1sleep11052-21sshd12:03:121
873721260,4sleep23126699cyclictest12:20:582
400121250,4sleep13126199cyclictest09:53:071
400121250,4sleep13126199cyclictest09:53:071
1337021180,0sleep20-21swapper/210:11:352
807021170,2sleep10-21swapper/111:22:441
1275421100,4sleep33127199cyclictest09:12:253
3245221020,33sleep3135650irq/27-eth011:00:543
58512960,3sleep15845-21sshd09:15:031
237892950,0sleep00-21swapper/009:48:250
31432930,1sleep10-21swapper/109:35:541
286572930,1sleep028658-21bash12:09:330
265862900,0sleep00-21swapper/009:31:370
214292880,0sleep23126699cyclictest07:59:272
21472860,2sleep22143-21rm12:06:422
214052860,0sleep00-21swapper/010:09:010
257452840,0sleep00-21swapper/011:21:030
3091928333,46sleep30-21swapper/307:08:443
48722820,3sleep20-21swapper/211:50:152
124202820,2sleep10-21swapper/112:21:201
78352810,2sleep30-21swapper/312:17:343
3084228133,44sleep10-21swapper/107:07:581
197032810,0sleep00-21swapper/012:29:000
164462810,1sleep016440-21sshd10:39:230
116842810,2sleep03125599cyclictest11:57:300
96332800,3sleep13126199cyclictest12:27:571
277762790,4sleep13126199cyclictest09:24:531
28212770,2sleep22819-21bash09:35:522
232512770,2sleep123248-21sshd10:40:041
153282750,2sleep30-21swapper/309:27:003
190492730,2sleep20-21swapper/210:36:162
26242710,1sleep10-21swapper/111:08:061
164012700,0sleep11848-21nfsd10:25:331
3069926733,11sleep20-21swapper/207:06:142
202442660,2sleep11848-21nfsd11:55:071
150822650,63sleep126950irq/26-ahci[00012:35:241
209482640,2sleep33127199cyclictest10:22:393
151772630,1sleep10-21swapper/111:54:351
84012620,2sleep30-21swapper/310:17:543
17672620,2sleep11765-21bash11:32:221
311362600,0sleep31848-21nfsd10:34:133
92312570,1sleep03125599cyclictest09:53:420
92312570,1sleep03125599cyclictest09:53:420
3079125633,19sleep00-21swapper/007:07:250
210712530,10sleep20-21swapper/209:24:062
310532510,2sleep31846-21nfsd11:39:143
176562450,2sleep20-21swapper/209:54:362
176562450,2sleep20-21swapper/209:54:362
31255993831,5cyclictest0-21swapper/010:50:410
3127199367,22cyclictest44-21ksoftirqd/311:45:103
3127199361,14cyclictest0-21swapper/311:31:533
3125599360,1cyclictest0-21swapper/009:22:370
139422350,0sleep00-21swapper/007:40:210
3127199316,6cyclictest135650irq/27-eth011:14:193
222612310,0sleep022259-21sshd10:15:540
188882300,28sleep1135650irq/27-eth010:36:161
52962290,2sleep15290-21rm10:48:101
327672290,1sleep00-21swapper/012:03:070
3125599294,17cyclictest0-21swapper/011:03:520
3127199281,20cyclictest44-21ksoftirqd/310:52:363
31266992825,2cyclictest0-21swapper/209:44:102
31266992821,5cyclictest1915-21snmpd12:17:542
89022270,2sleep30-21swapper/311:05:193
3272270,0sleep032645-21sshd09:11:050
3127199273,16cyclictest44-21ksoftirqd/312:25:583
31271992723,3cyclictest184750nfsd10:25:443
3127199271,2cyclictest25446-21sshd09:59:003
3127199270,3cyclictest11080-21sshd11:54:083
104422270,1sleep00-21swapper/012:10:570
98032260,24sleep1135650irq/27-eth010:14:481
3127199267,16cyclictest44-21ksoftirqd/312:02:593
31271992612,6cyclictest21353-21bash10:46:273
227772260,1sleep00-21swapper/009:58:430
3127199254,19cyclictest44-21ksoftirqd/310:56:293
31271992520,3cyclictest29657-21sshd09:42:073
31271992516,5cyclictest18596-21sshd12:21:593
3127199250,18cyclictest44-21ksoftirqd/311:55:593
270912250,3sleep127090-21bash11:42:121
270912250,3sleep127090-21bash11:42:121
24672250,3sleep20-21swapper/210:51:072
243702250,2sleep20-21swapper/211:24:342
31271992416,5cyclictest11960-21sshd12:31:343
31271992413,7cyclictest23730-21sshd10:09:163
3126199249,3cyclictest13274-21sshd12:07:551
3125599247,15cyclictest3-21ksoftirqd/010:58:410
230792240,2sleep20-21swapper/211:10:152
56212230,3sleep15610-21sshd12:17:191
3127199234,17cyclictest44-21ksoftirqd/309:19:083
3127199232,19cyclictest44-21ksoftirqd/309:50:303
3127199232,19cyclictest44-21ksoftirqd/309:50:303
31271992313,4cyclictest10950irq/23-ehci_hcd07:59:543
31266992316,5cyclictest1927-21snmpd11:55:082
3125599235,15cyclictest17077-21bash10:32:370
31255992311,6cyclictest3-21ksoftirqd/010:44:490
3125599230,15cyclictest12238-21bash10:04:300
311332230,4sleep20-21swapper/212:37:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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