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2026-04-11 - 14:38
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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 Sat Apr 11, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2008921400,4sleep32550999cyclictest09:35:483
2985621220,3sleep12550799cyclictest07:20:001
1346821210,3sleep22550899cyclictest11:52:532
25155210734,43sleep30-21swapper/307:08:573
57952950,1sleep00-21swapper/010:33:310
279972900,2sleep227982-21sshd10:15:142
85702880,2sleep10-21swapper/111:08:031
2500028832,44sleep10-21swapper/107:06:591
164522880,2sleep20-21swapper/212:37:112
282232860,0sleep00-21swapper/009:40:500
5632840,0sleep1560-21cp10:53:321
218102840,0sleep00-21swapper/010:42:010
65212820,3sleep10-21swapper/112:35:511
267612820,2sleep226760-21sshd10:25:202
245032820,2sleep124501-21sshd12:23:051
245582810,1sleep12512-21runrttasks11:31:231
201242810,1sleep30-21swapper/311:12:413
72612800,0sleep12550799cyclictest12:10:111
227022800,2sleep30-21swapper/312:30:163
191242800,2sleep20-21swapper/211:34:402
188562800,2sleep10-21swapper/111:56:521
55492790,2sleep10-21swapper/109:59:061
122292790,2sleep20-21swapper/209:30:412
135022780,4sleep12550799cyclictest11:45:541
96332770,1sleep39621-21sshd09:42:213
29062770,1sleep22895-21sshd10:36:342
263852770,2sleep326377-21sshd10:49:253
317842760,2sleep30-21swapper/311:44:203
135902760,2sleep313588-21sshd10:20:293
99932750,3sleep30-21swapper/309:52:403
151952750,2sleep20-21swapper/209:35:152
170662740,2sleep10-21swapper/112:15:041
141432740,4sleep12550799cyclictest12:03:581
2503627332,12sleep20-21swapper/207:07:292
219862720,2sleep30-21swapper/310:38:393
187732720,2sleep10-21swapper/110:17:421
166502720,2sleep30-21swapper/311:53:133
310202710,0sleep00-21swapper/010:53:200
224782690,2sleep10-21swapper/109:10:381
30832680,5sleep20-21swapper/212:13:162
236202680,2sleep22512-21runrttasks08:15:172
174132660,0sleep02024-21nfsd11:53:180
5282650,2sleep12024-21nfsd09:33:261
309912640,2sleep10-21swapper/110:32:441
229552620,2sleep10-21swapper/110:49:041
2493524234,4sleep00-21swapper/007:06:100
156422310,29sleep3144650irq/27-eth010:41:213
137492310,1sleep08-21rcu_preempt11:26:260
212872290,1sleep10-21swapper/112:08:091
3642280,2sleep32512-21runrttasks10:02:053
255412280,0sleep00-21swapper/011:57:390
41412270,2sleep14128-21sshd11:10:551
161942270,2sleep10-21swapper/110:00:191
240082260,24sleep3144650irq/27-eth011:47:053
69532250,4sleep22550899cyclictest12:06:352
280442250,1sleep10-21swapper/110:59:531
228982250,2sleep30-21swapper/311:09:383
256262240,2sleep225625-21sshd11:27:552
13542240,0sleep00-21swapper/010:36:240
169382220,2sleep20-21swapper/211:02:032
96032210,19sleep3144650irq/27-eth009:49:163
96032210,19sleep3144650irq/27-eth009:49:163
58102210,2sleep10-21swapper/109:38:111
322122210,1sleep032196-21sshd10:15:370
115922210,19sleep1144650irq/27-eth010:44:281
262872200,3sleep20-21swapper/209:21:092
256682200,4sleep22550899cyclictest11:47:162
2550899207,6cyclictest13177-21sshd12:33:032
2550799208,7cyclictest26038-21sshd10:25:171
315472190,17sleep1144650irq/27-eth012:27:471
2550899193,3cyclictest20094-21sshd10:31:342
2550899193,10cyclictest0-21swapper/210:58:552
245312190,2sleep324532-21sshd09:57:363
239492192,15sleep3144650irq/27-eth010:31:593
161502190,17sleep1144650irq/27-eth011:26:441
278202180,2sleep20-21swapper/210:01:322
2550999180,7cyclictest0-21swapper/312:17:033
2550899183,4cyclictest21418-21sshd10:41:592
2550899183,3cyclictest16778-21sshd10:48:232
25506991812,2cyclictest0-21swapper/009:50:310
2550699180,12cyclictest24428-21bash12:30:220
2550699180,12cyclictest0-21swapper/011:15:130
285622170,15sleep3144650irq/27-eth012:38:513
2550999174,5cyclictest16118-21rm12:07:363
2550999170,9cyclictest44-21ksoftirqd/312:27:503
2550999170,15cyclictest0-21swapper/311:31:083
2550999170,12cyclictest0-21swapper/307:55:223
2550899175,11cyclictest0-21swapper/212:04:182
2550899174,9cyclictest17264-21sshd11:42:232
2550899173,1cyclictest8618-21sshd11:15:072
2550899173,10cyclictest2293-21sshd09:15:192
2550899171,2cyclictest0-21swapper/211:11:442
2550899170,2cyclictest10313-21bash11:08:162
2550799171,14cyclictest29284-21sshd11:51:021
2550799170,12cyclictest11248-21bash11:37:301
2550699174,12cyclictest3-21ksoftirqd/011:49:420
2550699170,16cyclictest0-21swapper/011:00:520
2550999162,9cyclictest0-21swapper/311:24:373
2550999160,9cyclictest0-21swapper/311:01:503
2550999160,8cyclictest0-21swapper/311:59:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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