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2025-11-24 - 14:17
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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 Nov 24, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1535621610,1sleep20-21swapper/211:22:532
1998321370,1sleep00-21swapper/009:28:170
3017321320,3sleep01849799cyclictest09:15:300
184021300,2sleep31835-21sshd09:22:583
2922621270,2sleep31847-21nfsd10:20:173
2842121230,2sleep01848-21nfsd12:10:480
1790321190,2sleep10-21swapper/110:49:211
2514521050,1sleep125143-21sshd10:56:351
162172990,5sleep31850099cyclictest11:46:433
162932970,1sleep10-21swapper/111:16:101
219362960,1sleep11846-21nfsd11:53:581
214642960,4sleep10-21swapper/110:39:481
1820529533,44sleep30-21swapper/307:09:363
93182940,2sleep10-21swapper/112:25:201
288222930,2sleep30-21swapper/311:27:393
43912920,0sleep00-21swapper/011:31:410
312562900,18sleep2135650irq/27-eth012:07:542
262562900,1sleep21848-21nfsd10:23:252
260262900,2sleep30-21swapper/311:24:013
144812900,4sleep31850099cyclictest10:01:463
276612880,1sleep20-21swapper/212:14:032
245222880,2sleep30-21swapper/311:06:263
199942870,2sleep21848-21nfsd10:19:252
40652860,2sleep24064-21bash11:18:242
228932860,2sleep322891-21cpu12:30:113
221182860,1sleep20-21swapper/212:33:262
1792028432,48sleep10-21swapper/107:06:031
125492830,1sleep10-21swapper/109:34:141
314952820,2sleep10-21swapper/110:40:401
311122820,2sleep131110-21sshd10:33:541
197232820,2sleep219712-21sshd11:26:412
37792810,1sleep11849899cyclictest10:54:311
313342810,2sleep10-21swapper/112:04:441
146422810,2sleep314639-21sshd10:11:563
272472800,3sleep10-21swapper/112:17:151
203922800,0sleep120390-21bash09:18:071
146552800,2sleep10-21swapper/109:44:571
269872790,2sleep226974-21sshd09:15:162
47712780,2sleep14767-21bash11:48:521
257552770,2sleep125751-21bash09:25:251
248202770,1sleep20-21swapper/210:53:192
12592770,1sleep03-21ksoftirqd/011:00:470
316002750,2sleep30-21swapper/309:32:493
262112750,1sleep00-21swapper/011:24:020
44972740,0sleep00-21swapper/011:28:280
40722740,2sleep14071-21bash12:31:341
88732730,0sleep08868-21sshd10:48:240
39472690,0sleep13942-21sshd11:21:401
147012690,2sleep11848-21nfsd12:39:101
292972670,2sleep229290-21sshd09:56:272
34352650,2sleep10-21swapper/112:21:271
128492620,0sleep00-21swapper/011:59:380
285662610,4sleep31850099cyclictest11:51:113
1798825832,22sleep00-21swapper/007:06:530
1809925213,9sleep20-21swapper/207:08:152
165512520,4sleep21849999cyclictest11:12:382
127302440,0sleep312729-21sshd12:12:313
150572360,4sleep10-21swapper/111:42:561
273712350,2sleep30-21swapper/311:40:503
317862340,2sleep131780-21sshd11:07:131
70952330,0sleep20-21swapper/212:28:342
174592330,3sleep10-21swapper/111:29:501
18497993212,4cyclictest3-21ksoftirqd/011:51:490
152102320,27sleep2135650irq/27-eth011:42:572
18497993110,15cyclictest3-21ksoftirqd/011:45:460
1849799310,26cyclictest3692-21rm09:53:520
1849799301,13cyclictest0-21swapper/011:15:060
222792290,3sleep322275-21sshd12:00:263
189062280,2sleep318910-21bash10:32:283
18497992816,11cyclictest3-21ksoftirqd/010:20:490
166192280,3sleep20-21swapper/209:10:422
267892270,2sleep10-21swapper/111:37:271
1849799271,4cyclictest10-21rcuc/011:42:470
18497992714,10cyclictest3-21ksoftirqd/012:37:280
1849799270,25cyclictest11553-21rm11:39:140
1849799270,11cyclictest0-21swapper/010:19:040
318852260,2sleep12405-21runrttasks11:34:291
308432260,2sleep31848-21nfsd09:49:553
238282260,3sleep21849999cyclictest10:46:302
225122260,2sleep122511-21bash09:52:221
1849899266,10cyclictest17971-21sshd12:06:321
1849799261,6cyclictest16029-21bash10:55:360
1849799261,14cyclictest26236-21diskstats10:40:140
18497992610,7cyclictest3-21ksoftirqd/012:07:410
1849799260,1cyclictest0-21swapper/012:24:180
61232250,2sleep26122-21id11:52:152
253062250,2sleep20-21swapper/212:23:452
1849799258,16cyclictest3-21ksoftirqd/011:05:480
1849799251,22cyclictest0-21swapper/010:36:010
1849799251,22cyclictest0-21swapper/009:41:300
1849799251,15cyclictest5216-21id12:15:050
40562240,2sleep10-21swapper/110:07:331
18499992413,4cyclictest1847-21nfsd12:15:382
18499992411,12cyclictest25655-21sshd12:04:102
18497992417,6cyclictest3-21ksoftirqd/009:36:320
18497992412,4cyclictest8-21rcu_preempt12:00:570
18497992411,12cyclictest3-21ksoftirqd/010:08:130
1849799240,9cyclictest29804-21sshd09:46:250
1849799240,22cyclictest21532-21sshd10:26:120
153832240,1sleep20-21swapper/212:35:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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